Liquid-Crystal Medium Comprising Polymerizable Compounds

Abstract

A liquid crystal (LC) medium comprising one or more polymerizable compounds, its use for optical, electro-optical, and electronic purposes, in particular in LC displays, especially in LC displays of the PSA (polymer sustained alignment) or SA (self-aligning) mode. Also, an LC display of the PSA or SA mode comprising the LC medium, and a process of manufacturing the LC display using the LC medium, especially an energy-saving LC display and energy-saving LC display production process.

Claims

1. A liquid crystal (LC) medium comprising one or more polymerizable compounds of formula I and one or more compounds of formula II: ##STR00924## wherein individual radicals, independently of each other, and on each occurrence, identically or differently, have the following meanings: P denotes a polymerizable group; Sp denotes a spacer group or a single bond; L denotes P, P-Sp-, OH, CH.sub.2OH, F, Cl, Br, I, CN, NO.sub.2, NCO, NCS, OCN, SCN, C(O)N(R.sup.x).sub.2, C(O)Y.sup.1, C(O)R.sup.x, N(R.sup.x).sub.2, an optionally substituted silyl, an optionally substituted aryl having 6 to 20 C atoms, a straight-chain alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxycarbonyloxy group having 1 to 25 C atoms, or a branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxycarbonyloxy group having 3 to 25 C atoms, in which, in addition, one or more H atoms are optionally replaced by F, Cl, P, P-Sp-, or L.sup.A; L.sup.A denotes an alkyl group with 1 to 6 C atoms; r1, r2, r3 denote 0, 1, 2, 3, or 4; wherein the compounds of formula I contain at least one group L that denotes L.sup.A; R.sup.21, R.sup.22 denote H, a straight-chain alkyl or alkoxy group having 1 to 20 C atoms, or a branched or cyclic alkyl or alkoxy group having 3 to 20 C atoms, wherein one or more non-adjacent CH.sub.2-groups are optionally replaced by O, S, CO, COO, OCO, OCOO, CR.sup.0CR.sup.00, CC, ##STR00925## in such a manner that O or S atoms are not directly connected with each other, and wherein one or more H atoms are each optionally replaced by F, Cl, CN, or CF.sub.3; R.sup.0, R.sup.00 denote H or an alkyl group having 1 to 12 C atoms; A.sup.1, A.sup.2 denote a group selected from the following formulae: ##STR00926## ##STR00927## Z.sup.1, Z.sup.2 denote CH.sub.2CH.sub.2, CHCH, CF.sub.2O, OCF.sub.2, CH.sub.2O, OCH.sub.2, COO, OCO, C.sub.2F.sub.4, CFCF, CHCHCH.sub.2O, or a single bond; L.sup.1, L.sup.2, L.sup.3, L.sup.4 denote F, Cl, OCF.sub.3, CF.sub.3, CH.sub.3, CH.sub.2F, or CHF.sub.2; Y denotes H, F, Cl, CF.sub.3, CHF.sub.2, or CH.sub.3; L.sup.c denotes CH.sub.3 or OCH.sub.3; a1 denotes 0, 1, or 2; and a2 denotes 0 or 1.

2. The LC medium according to claim 1, wherein the one or more compounds of formula I are selected from subformulae I-1 to I-28: ##STR00928## ##STR00929## ##STR00930## wherein P denotes a polymerizable group; Sp denotes a spacer group; L denotes P, P-Sp-, OH, CH.sub.2OH, F, Cl, Br, I, CN, NO.sub.2, NCO, NCS, OCN, SCN, C(O)N(R.sup.x).sub.2, C(O)Y.sup.1, C(O)R.sup.x, N(R.sup.x).sub.2, an optionally substituted silyl group, an optionally substituted aryl group having 6 to 20 C atoms, a straight-chain alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxy-carbonyloxy group having 1 to 25 C atoms, or a branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxy-carbonyloxy group having 3 to 25 C atoms, in which, in addition, one or more H atoms are optionally replaced by F, Cl, P, P-Sp-, or L.sup.A, wherein at least one of L denotes L.sup.A; and L.sup.A denotes an alkyl group with 1 to 6 C atoms.

3. The LC medium according to claim 1, wherein the one or more compounds of formula I are selected from subformulae I1-I32: ##STR00931## ##STR00932## ##STR00933## ##STR00934##

4. The LC medium according to claim 1, further comprising one or more compounds selected from subformulae IIA-IIF: ##STR00935## in which individual radicals, on each occurrence, identically or differently, and each, independently of one another, have the following meaning: R.sup.21, R.sup.22 denote H or an alkyl, alkoxy, or alkenyl radical having up to 15 C atoms, wherein the radical is unsubstituted or monosubstituted by F, Cl, CN, or CF.sub.3, wherein one or more CH.sub.2 groups are optionally replaced by O, S, CC, CF.sub.2O, OCF.sub.2, OCO, OCO, ##STR00936## in such a way that O or S atoms are not linked directly to one another, and wherein, in formula IID, R.sup.21 is not a cyclic alkyl or alkoxy group; L.sup.1 to L.sup.4 denote F, Cl, CF.sub.3, or CHF.sub.2; Y denotes H, F, Cl, CF.sub.3, CHF.sub.2, or CH.sub.3; Z.sup.1, Z.sup.2 denote a single bond, CH.sub.2CH.sub.2, CHCH, CF.sub.2O, OCF.sub.2, CH.sub.2O, OCH.sub.2, COO, OCO, C.sub.2F.sub.4, CFCF, or CHCHCH.sub.2O; p denotes 0, 1, or 2; and q denotes 0 or 1.

5. The LC medium according to claim 1, further comprising one or more compounds of formula III: ##STR00937## or formula IIIA: ##STR00938## in which individual radicals, on each occurrence, identically or differently, and each, independently of one another, have the following meaning: R.sup.31, R.sup.32 denote H or an alkyl or alkoxy radical having 1 to 15 C atoms, where one or more CH.sub.2 groups are each optionally replaced, independently of one another, by ##STR00939## CC, CF.sub.2O, OCF.sub.2, CHCH, O, COO, or OCO in such a way that O atoms are not linked directly to one another, and in which one or more H atoms are optionally replaced by halogen; Y.sup.1, Y.sup.2 denote H, F, Cl, CF.sub.3, CHF.sub.2, CH.sub.3, or OCH.sub.3; A.sup.3 denotes a) a 1,4-cyclohexenylene or 1,4-cyclohexylene radical, in which one or two non-adjacent CH.sub.2 groups are optionally replaced by O or S; b) a 1,4-phenylene radical, in which one or two CH groups are optionally replaced by N; or c) a radical selected from the group consisting of spiro[3.3]heptane-2,6-diyl, 1,4-bicyclo[2.2.2]octylene, naphthalene-2,6-diyl, decahydronaphthalene-2,6-diyl, 1,2,3,4-tetrahydro-naphthalene-2,6-diyl, phenanthrene-2,7-diyl, and fluorene-2,7-diyl, wherein radicals a), b), and c) are optionally mono- or polysubstituted by halogen atoms; n denotes 0, 1, or 2; Z.sup.3 denotes COO, OCO, CF.sub.2O, OCF.sub.2, CH.sub.2O, OCH.sub.2, CH.sub.2, CH.sub.2CH.sub.2, (CH.sub.2).sub.4, CHCHCH.sub.2O, C.sub.2F.sub.4, CH.sub.2CF.sub.2, CF.sub.2CH.sub.2, CFCF, CHCF, CFCH, CHCH, CC, or a single bond; and L.sup.31 and L.sup.32 denote F, Cl, CF.sub.3, or CHF.sub.2; wherein H is optionally replaced by deuterium.

6. The LC medium according to claim 1, further comprising one or more compounds of formula IV: ##STR00940## in which R.sup.41 denotes an unsubstituted alkyl radical having 1 to 7 C atoms where, in addition, one or more CH.sub.2 groups are optionally replaced by ##STR00941## or an unsubstituted alkenyl radical having 2 to 7 C atoms; and R.sup.42 denotes an unsubstituted alkyl radical having 1 to 7 C atoms, an unsubstituted alkoxy radical having 1 to 6 C atoms, or an unsubstituted alkenyl radical having 2 to 7 C atoms.

7. The LC medium according to claim 1, further comprising one or more polymerizable compounds which are different from formula I and selected from formula M: ##STR00942## wherein individual radicals, independently of each other and on each occurrence identically or differently, have the following meanings: P denotes a polymerizable group; Sp denotes a spacer group or a single bond, which is optionally substituted by L.sup.a; R.sup.a, R.sup.b denote P, P-Sp-, H, F, Cl, Br, I, CN, NO.sub.2, NCO, NCS, OCN, SCN, SF.sub.5, a straight-chain alkyl group having 1 to 25 C atoms, or a branched alkyl group having 3 to 25 C atoms, in which, in addition, one or more non-adjacent CH.sub.2 groups are each optionally replaced, independently of one another, by C(R.sup.0)C(R.sup.00), CC, N(R.sup.00), O, S, CO, COO, OCO, or OCOO in such a way that O or S atoms are not linked directly to one another, and in which, in addition, one or more H atoms are optionally replaced by F, Cl, Br, I, CN, P, or P-Sp-, where, if B.sup.1 and/or B.sup.2 contain a saturated C atom, R.sup.a or R.sup.b optionally denotes a radical which is spiro-linked to this saturated C atom, and wherein at least one of R.sup.a and R.sup.b denotes or contains P or P-Sp-; B.sup.1, B.sup.2 denote an aromatic, heteroaromatic, alicyclic, or heterocyclic group, which optionally contains one or more fused rings, and which is unsubstituted, monosubstituted, or polysubstituted by L; Z.sup.m denotes O, S, CO, COO, OCO, OCOO, OCH.sub.2, CH.sub.2O, SCH.sub.2, CH.sub.2S, CF.sub.2O, OCF.sub.2, CF.sub.2S, SCF.sub.2, (CH.sub.2).sub.n1, CF.sub.2CH.sub.2, CH.sub.2CF.sub.2, (CF.sub.2).sub.n1, CHCH, CFCF, CHCF, CFCH, CC, CHCHCOO, OCOCHCH, CH.sub.2CH.sub.2COO, OCOCH.sub.2CH.sub.2, CR.sup.0R.sup.00, or a single bond; R.sup.0, R.sup.00 denote H or alkyl having 1 to 12 C atoms; m denotes 0, 1, 2, 3, or 4; n1 denotes 1, 2, 3, or 4; L denotes P, P-Sp-, OH, CH.sub.2OH, F, Cl, Br, I, CN, NO.sub.2, NCO, NCS, OCN, SCN, C(O)N(R.sup.x).sub.2, C(O)Y.sup.1, C(O)R.sup.x, N(R.sup.x).sub.2, optionally substituted silyl, optionally substituted aryl having 6 to 20 C atoms, a straight-chain alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxycarbonyloxy group having 1 to 25 C atoms, or a branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxycarbonyloxy group having 3 to 25 C atoms, in which, in addition, one or more H atoms are optionally replaced by F, Cl, P, or P-Sp-; Y.sup.1 denotes halogen; and R.sup.x denotes P, P-Sp-, H, halogen, a straight-chain alkyl group having 1 to 25 C atoms, a branched or cyclic alkyl group having 3 to 25 C atoms, in which, in addition, one or more non-adjacent CH.sub.2 groups are optionally replaced by O, S, CO, COO, OCO, or OCOO in such a way that O or S atoms are not linked directly to one another, and in which, in addition, one or more H atoms are optionally replaced by F, Cl, P, P-Sp-, an optionally substituted aryl or aryloxy group having 6 to 40 C atoms, or an optionally substituted heteroaryl or heteroaryloxy group having 2 to 40 C atoms.

8. The LC medium according to claim 1, wherein the LC medium comprises one or more polymerizable compounds which are different from formula I and are selected from formulae M1-M32: ##STR00943## ##STR00944## ##STR00945## ##STR00946## in which individual radicals, on each occurrence, identically or differently, and each, independently of one another, have the following meaning: P.sup.1, P.sup.2, P.sup.3 denote a polymerizable group; Sp.sup.1, Sp.sup.2, Sp.sup.3 denote a single bond or a spacer group where, in addition, one or more of radicals P.sup.1-Sp.sup.1-, P.sup.2Sp.sup.2-, and P.sup.3Sp.sup.3- optionally denote R.sup.M, with the proviso that at least one of the radicals P.sup.1-Sp.sup.1-, P.sup.2Sp.sup.2, and P.sup.3Sp.sup.3- present is different from R.sup.M; R.sup.M denotes H, F, Cl, CN, a straight-chain alkyl group having 1 to 25 C atoms, or a branched alkyl group having 3 to 25 C atoms, in which, in addition, one or more non-adjacent CH.sub.2 groups are each optionally replaced, independently of one another, by C(R.sup.0)C(R.sup.00), CC, N(R.sup.0), O, S, CO, COO, OCO, or OCOO in such a way that O or S atoms are not linked directly to one another, and in which, in addition, one or more H atoms are optionally replaced by F, Cl, CN, or P.sup.1-Sp.sup.1-; R.sup.0, R.sup.00 denote H or an alkyl group having 1 to 12 C atoms; R.sup.y, R.sup.z denote H, F, CH.sub.3, or CF.sub.3; X.sup.1, X.sup.2, X.sup.3 denote COO, OCO, or a single bond; Z.sup.M1 denotes O, CO, C(R.sup.yR.sup.z), or CF.sub.2CF.sub.2; Z.sup.M2, Z.sup.M3 denote COO, OCO, CH.sub.2O, OCH.sub.2, CF.sub.2O, OCF.sub.2, or (CH.sub.2).sub.n, where n is 2, 3, or 4; L denotes F, Cl, CN, a straight-chain, optionally mono- or poly-fluorinated alkyl, alkoxy, thioalkyl, alkenyl, alkynyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxycarbonyloxy group having 1 to 12 C atoms, or a branched, optionally mono- or polyfluorinated alkyl, alkoxy, thioalkyl, alkenyl, alkynyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy, or alkoxycarbonyloxy group having 3 to 12 C atoms; L, L denote H, F, or C.sub.1; k denotes 0 or 1; r denotes 0, 1, 2, 3, or 4; s denotes 0, 1, 2, or 3; t denotes 0, 1, or 2; and x denotes 0 or 1.

9. The LC medium according to claim 1, wherein the LC medium comprises one or more polymerizable compounds of formula M which are different from formula I and are selected from formulae IA, IB, and IC: ##STR00947## in which individual radicals, on each occurrence, identically or differently, and each, independently of one another, have the following meanings: P denotes a polymerizable group; Sp denotes a spacer group or a single bond; M.sup.1, M.sup.2, M.sup.3 denote a group each individually selected from formulae 1-3: ##STR00948## wherein one or more benzene rings are optionally substituted by one or more groups L or P-Sp-; L denote L.sup.a, L.sup.b, F, Cl, CN, P-Sp-, a straight-chain alkyl group having 1 to 25 C atoms, or a branched or cyclic alkyl group having 3 to 25 C atoms, wherein one or more non-adjacent CH.sub.2-groups are optionally replaced by O, S, CO, COO, OCO, or OCOO in such a manner that O or S atoms are not directly connected with each other, and wherein one or more H atoms are each optionally replaced by P, F, or Cl; L.sup.a denotes C(R.sup.aa)(R.sup.bb)OH; R.sup.aa, R.sup.bb denote a straight-chain alkyl group with 1 to 6 C atoms; L.sup.b denotes straight-chain alkenyl group with 2 to 7 C atoms or a branched alkenyl group with 3 to 7 C atoms; wherein, in a compound of formula IA, M.sup.1 or at least one Sp is at least monosubstituted with L.sup.a; wherein, in a compound of formula IB, if M.sup.2 is of formula 2, then L is not an C.sub.2-C.sub.6 alkyl group; and wherein, in a compound of formula IC, M.sup.3 is at least monosubstituted with L.sup.b.

10. The LC medium according to claim 9, wherein the LC medium comprises one or more polymerizable compounds of formula IC which are different from formula I.

11. The LC medium according to claim 1, further comprising one or more additives selected from a group consisting of stabilizers, chiral dopants, polymerization initiators, and self-alignment additives.

12. A process of preparing the LC medium according to claim 1, comprising mixing one or more polymerizable compounds, wherein at least one polymerizable compound is selected from formula I, with one or more compounds of formula II, and optionally polymerizing the one or more polymerizable compounds.

13. An LC display comprising the LC medium according to claim 1.

14. The LC display according to claim 13, wherein the LC display is a PS-VA, PS-IPS, PS-FFS, PS-UB-FFS, or SA-VA display.

15. The LC display according to claim 13, comprising: two substrates, at least one of which is transparent to light; an electrode provided on each substrate of the two substrates or two electrodes provided on only one substrate of the two substrates; and a layer of the LC medium located between the two substrates, wherein one or more polymerizable compounds of the LC medium are polymerized by UV photopolymerization.

16. A process of manufacturing the LC display according to claim 15, comprising: providing the LC medium between the two substrates of the LC display; and polymerizing the one or more polymerizable compounds by irradiation with UV light, optionally while a voltage is applied to the electrodes of the LC display.

17. Use of the LC medium according to claim 1 for an energy-saving LC display or an energy-saving LC display production process.

Description

EXAMPLES

[0703] The following examples explain the present invention without restricting it. However, they show the person skilled in the art preferred mixture concepts with compounds preferably to be employed, the respective concentrations thereof, and combinations thereof with one another. In addition, the examples illustrate which properties and property combinations are accessible.

[0704] In addition, the following abbreviations and symbols are used: [0705] V.sub.0 threshold voltage, capacitive [V] at 20 C., [0706] n.sub.e extraordinary refractive index at 20 C. and 589 nm, [0707] n.sub.o ordinary refractive index at 20 C. and 589 nm, [0708] n optical anisotropy at 20 C. and 589 nm, [0709] .sub. dielectric permittivity perpendicular to the director at 20 C. and 1 kHz, [0710] .sub. dielectric permittivity parallel to the director at 20 C. and 1 kHz, [0711] dielectric anisotropy at 20 C. and 1 kHz, [0712] cl.p., T(N,I) clearing point [ C.], [0713] .sub.1 rotational viscosity at 20 C. [mPa.Math.s], [0714] K.sub.1 elastic constant, splay deformation at 20 C. [pN], [0715] K.sub.2 elastic constant, twist deformation at 20 C. [pN], [0716] K.sub.3 elastic constant, bend deformation at 20 C. [pN] [0717] K.sub.av average elastic constant at 20 C. [pN] defined here as

[00001]$K_{\mathrm{av}.}{(}^3{/}_2{K}_1+K_3)/3\left(K_1+K_2+K_3\right)/3,$ [0718] LTS low-temperature stability of the phase, determined in test cells, [0719] VHR voltage holding ratio.

[0720] Unless explicitly noted otherwise, all concentrations in the present application are quoted in percent by weight and relate to the corresponding mixture as a whole, comprising all solid or liquid-crystalline components, without solvents.

[0721] Unless explicitly noted otherwise, all temperature values indicated in the present application, such as, for example, for the melting point T(C,N), the transition from the smectic (S) to the nematic (N) phase T(S,N) and the clearing point T(N,I), are quoted in degrees Celsius ( C.). M.p. denotes melting point, and cl.p.=clearing point. Furthermore, C=crystalline state, N=nematic phase, S=smectic phase, and I=isotropic phase. The data between these symbols represent the transition temperatures.

[0722] All physical properties are and have been determined in accordance with Merck Liquid Crystals, Physical Properties of Liquid Crystals, Status November 1997, Merck KGaA, Germany, and apply for a temperature of 20 C., and n is determined at 589 nm and at 1 kHz, unless explicitly indicated otherwise in each case.

[0723] The term threshold voltage for the present invention relates to the capacitive threshold (V.sub.0), also known as the Freedericks threshold, unless explicitly indicated otherwise. In the examples, the optical threshold may also, as generally usual, be quoted for 10% relative contrast (V.sub.10).

[0724] Unless stated otherwise, the process of polymerizing the polymerizable compounds in the PSA displays as described above and below is carried out at a temperature where the LC medium exhibits a liquid crystal phase, preferably a nematic phase, and most preferably is carried out at room temperature.

[0725] Unless stated otherwise, methods of preparing test cells and measuring their electrooptical and other properties are carried out by the methods as described hereinafter or in analogy thereto.

[0726] A PSVA display or PSVA test cell used for photopolymerization and measurement of the tilt angles, etc., consists of two plane-parallel glass outer plates at a separation of 3-4 m unless stated otherwise, each of which has on the inside an electrode layer and a polyimide alignment layer on top, where the two polyimide layers are rubbed antiparallel to one another and effect a homeotropic edge alignment of the LC molecules. The SAVA display or test cell has the same structure but wherein one or both polyimide layers are omitted.

[0727] The polymerizable compounds are polymerized in the display or test cell by irradiation with UV light of defined intensity for a prespecified time, with a voltage simultaneously being applied to the display (usually 10 V to 30 V alternating current, 1 kHz).

[0728] The tilt angle is determined using the Mueller Matrix Polarimeter AxoScan from Axometrics. A low value (i.e. a large deviation from the 90 angle) corresponds to a large tilt here.

[0729] Unless stated otherwise, the term tilt angle means the angle between the LC director and the substrate, and LC director means in a layer of LC molecules with uniform orientation the preferred orientation direction of the optical main axis of the LC molecules, which corresponds, in case of calamitic, uniaxially positive birefringent LC molecules, to their molecular long axis.

Example 1

[0730] The nematic LC host mixture N1 is formulated as follows:

TABLE-US-00019 BCH-32 6.5% Cl. p. [ C.]: 74.7 CC-3-V1 8.0% n [589 nm, 20 C.]: 0.1039 CCH-23 17.0% [1 kHz, 20 C.]: 3.0 CCH-34 6.5% .sub. [1 kHz, 20 C.]: 3.4 CCY-3-O1 3.5% .sub.1 [mPa .Math. s, 20 C.]: 106 CCY-3-O2 12.5% K.sub.3/K.sub.1 [pN, 20 C.]: 1.07 CPY-2-O2 5.5 V.sub.0 [V, 20 C.]: 2.43 CPY-3-O2 10.0% CY-3-O2 15.5% PCH-301 4.5% PP-1-2V1 5.0% PY-3-O2 5.5%

[0731] Polymerizable LC mixture P1 is formulated by adding 0.35% of polymerizable compound I1 to the nematic LC host mixture N1.

[0732] For comparison purpose, the polymerizable LC mixture PC1 is formulated by adding 0.3% of polymerizable compound RM-1 (formula IBD1) to the nematic LC host mixture N1.

##STR00897##

Residual RM

[0733] The residual content of unpolymerized monomer in the mixture is determined after UV photopolymerization. The smaller the residual monomer content after a given time interval, the faster the polymerization. For this purpose, the polymerizable mixtures are filled in test cells and polymerized by UV exposure for varying time intervals at RT using a fluorescent UV C-type lamp with an intensity of 0.5 mW/cm.sup.2 or UV B-type lamp with intensity 1.8 mW/cm.sup.2. The UV intensity is both checked by UV detector with 313 nm. After photopolymerization for a certain time interval the test cells are opened, and the mixture is dissolved and rinsed out of the test cell with methyl ethyl ketone and analyzed by Ultra Performance Liquid Chromatography (UPLC).

[0734] The results are shown in Table 1.1.

TABLE-US-00020 TABLE 1.1 Residual RM Monomer conc. (%) PC1 P1 0 0.3000 0.3500 0.5 h 0.0147 1 h 0.0156 n.d. 1.5 h 0.0031 n.d. = not detectable

[0735] It can be seen that in the polymerizable mixture P1 according to the invention containing compound I1 the residual content of the monomer after polymerization is decreasing much faster than in the polymerizable reference mixture PC1 containing compound RM-1, although the initial concentration of 11 is even higher than that of RM-1. Thus, e.g., the mixture P1 reaches a similar residual concentration (0.0147% vs. 0.0156%) after only half the time (0.5 h vs. 1 h), and after 1 h the residual RM is no longer detectable in mixture P1.

Example 2

[0736] The nematic LC host mixture N2 is formulated as follows:

TABLE-US-00021 B(S)-2O-O4 4.5% Cl. p. [ C.]: 80.3 B(S)-2O-O5 5.0% n [589 nm, 20 C.]: 0.1012 BCH-32 6.0% [1 kHz, 20 C.]: 3.9 CC-3-V 47.5% .sub. [1 kHz, 20 C.]: 3.6 CLY-3-O2 6.0% .sub.1 [mPa .Math. s, 20 C.]: 93 CPY-2-O2 10.5% K.sub.3/K.sub.1 [pN, 20 C.]: 1.05 CPY-3-O2 10.5% PY-1-O2 10.0%

[0737] Polymerizable LC mixture P2 is formulated by adding 0.35% of compound I1 to the nematic LC host mixture N2. For comparison purpose, the polymerizable LC mixture PC2 is formulated by adding 0.3% of compound RM-1 to the nematic LC host mixture N2.

[0738] The residual content of unpolymerized monomer in the mixture is determined as described in Example 1. The results are shown in Table 2.1.

TABLE-US-00022 TABLE 2.1 Residual RM Monomer conc. (%) PC2 P2 0 0.3000 0.3500 0.5 h 0.0271 1 h 0.0145 n.d. 2 h 0.0031 n.d. = not detectable

[0739] It can be seen that in the polymerizable mixtures P2 according to the invention containing compound I1 the residual content of the monomer after polymerization is decreasing much faster than in the polymerizable reference mixture PC2 containing compound RM-1.

Example 3

[0740] The nematic LC host mixture N3 is formulated as follows:

TABLE-US-00023 B(S)-2O-O4 2.0% Cl. p. [ C.]: 75.4 B(S)-2O-O5 4.1% n [589 nm, 20 C.]: 0.1360 BCH-32 4.2% [1 kHz, 20 C.]: 3.1 CC-3-V 19.0% .sub. [1 kHz, 20 C.]: 3.6 CC-3-V1 7.8% .sub.1 [mPa .Math. s, 20 C.]: 97 CC-4-V1 2.8 K.sub.3/K.sub.1 [pN, 20 C.]: 1.03 CCP-3-1 7.0% CPY-2-O2 10.8% CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0741] Polymerizable LC mixture P3 is formulated by adding 0.5% of compound I1 to the nematic LC host mixture N3. For comparison purpose, the polymerizable LC mixture PC3 is formulated by adding 0.3% of compound RM-1 to the nematic LC host mixture N3.

[0742] The residual content of unpolymerized monomer in the mixture is determined as described in Example 1. The results are shown in Table 3.1.

TABLE-US-00024 TABLE 3.1 Residual RM Monomer conc. (%) PC3 P3 0 0.3000 0.5000 0.5 h 1 h 0.0058 1.5 h n.d. 2 h 0.0065 n.d. = not detectable

[0743] It can be seen that in the polymerizable mixture P3 according to the invention containing compound I1 the residual content of the monomer after polymerization is decreasing much faster than in the polymerizable reference mixture PC3 containing compound RM-1. Thus, e.g., the mixture P3 reaches a similar residual concentration (0.0058% vs. 0.0065%) after only half the time (1 h vs. 2 h), and after 1.5 h the residual RM is no longer detectable in mixture P3.

Example 4

[0744] Polymerizable LC mixture P4 is formulated by adding 0.65% of compound I1 and 0.05% of the polymerizable compound IC45 to the nematic LC host mixture N2.

##STR00898##

Example 5

[0745] Polymerizable LC mixture P5 is formulated by adding 0.65% of compound I1 and 0.05% of compound IC45 to the nematic LC host mixture N3.

Example 6

[0746] Polymerizable mixture P6 is prepared by adding 0.3% of compound I1 and 0.2% of polymerizable compound IBD6 to nematic LC host mixture N2.

##STR00899##

Example 7

[0747] Polymerizable LC mixture P7 is formulated by adding 0.3% of compound I1 and 0.2% of polymerizable compound IBD23 to the nematic LC host mixture N1.

##STR00900##

Example 8

[0748] The nematic LC host mixture N4 is formulated as follows:

TABLE-US-00025 BCH-32 6.50% cl.p. 74.7 C. CC-3-V1 8.00% n 0.1039 CCH-23 17.00% 3.0 CCH-34 6.50% .sub. 3.4 CCY-3-O1 3.50% K.sub.3/K.sub.1 1.07 CCY-3-O2 12.50% .sub.1 106 mPa .Math. s CPY-2-O2 5.50% V.sub.0 2.43 V CPY-3-O2 10.00% CY-3-O2 15.50% PCH-3O1 4.50% PP-1-2V1 5.00% PY-3-O2 5.50%

[0749] Polymerizable LC mixture P8 is formulated by adding 0.65% of compound I1 and 0.05% of compound IC45 to the nematic LC host mixture N4.

Example 9

[0750] The nematic LC host mixture N5 is formulated as follows:

TABLE-US-00026 B(S)-2O-O4 4.50% cl.p. 75.7 B(S)-2O-O5 5.00% n 0.1232 CC-3-V 28.20% n.sub.e 1.6169 CC-3-V1 8.00% n.sub.o 1.4937 CCP-3-1 3.80% 2.8 CCP-V-1 10.60% .sub.|| 3.5 CPY-2-O2 7.80% .sub. 6.3 CPY-3-O2 12.00% .sub.1 78 PP-1-2V1 7.60% K.sub.1 15.0 PY-1-O2 10.00% K.sub.3 16.1 PY-3-O2 3.00% K.sub.3/K.sub.1 1.07 V.sub.0 2.55 V

[0751] Polymerizable mixture P9 is prepared by adding 0.5% of compound I1, 0.05% of compound IC45 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N5.

##STR00901##

Example 10

[0752] The nematic LC host mixture N6 is formulated as follows:

TABLE-US-00027 B(S)-2O-O4 5.00% cl.p. 74.3 B(S)-2O-O5 5.00% n 0.1302 BCH-32 9.00% n.sub.e 1.625 CC-3-V 15.00% n.sub.o 1.4948 CC-3-V1 7.50% 2.9 CC-4-V1 13.00% .sub.|| 3.6 CCP-3-1 10.00% .sub. 6.5 CLY-3-O2 2.50% .sub.1 89 CPY-3-O2 2.00% K.sub.1 15.1 PY-1-O2 12.00% K.sub.3 15 PY-3-O2 10.00% K.sub.3/K.sub.1 0.99 PYP-2-3 9.00% V.sub.0 2.42 V

[0753] Chiral host mixture C1 is prepared by adding 0.91% of the chiral dopant S-4011 to the nematic LC host mixture N6. Polymerizable mixture P10 is prepared by adding 0.3% of compound I1, 0.15% of compound IA1 and 0.05% of compound IC45 to the chiral host mixture C1.

##STR00902##

Example 11

[0754] The nematic LC host mixture N7 is formulated as follows:

TABLE-US-00028 CC-3-V1 9.00% cl.p. 74.6 C. CCH-301 3.50% n 0.0984 CCH-34 8.00% n.sub.e 1.5804 CCH-35 8.00% n.sub.o 1.4820 CCP-3-1 6.00% 3.6 CCY-3-O1 6.50% .sub.|| 3.6 CCY-3-O2 12.50% .sub. 7.1 CPY-3-O2 10.00% .sub.1 119 mPa .Math. s CY-3-O2 15.50% K.sub.1 14.1 PCH-301 8.50% K.sub.3 17.0 PY-3-O2 12.50% K.sub.3/K.sub.1 1.21 V.sub.0 2.31 V

[0755] Polymerizable mixture P11 is prepared by adding 0.5% of compound I1 and 0.3% of compound IBD6 to the nematic LC host mixture N7.

Example 12

[0756] The nematic LC host mixture N8 is formulated as follows:

TABLE-US-00029 B(S)-2O-O4 3.5% cl.p. 74.9 C. B(S)-2O-O5 5.00% n 0.1154 BCH-32 7.50% 2.6 CC-3-V 29.50% .sub.1 74 mPa .Math. s CC-3-V1 5.50% K.sub.1 14.5 CCP-3-1 7.00% K.sub.3 14.9 CCP-V-1 11.50% .sub.1/K.sub.3 4.97 CLY-3-O2 5.00% CPY-2-O2 4.00% CPY-3-O2 10.00% PY-1-O2 0.50% PY-2-O2 11.00%

[0757] Polymerizable mixture P12 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N8.

Example 13

[0758] Polymerizable mixture P13 is prepared by adding 0.4% of compound I1 and 0.2% of compound IBD4 to the nematic LC host mixture N2.

##STR00903##

Example 14

[0759] Polymerizable mixture P14 is prepared by adding 0.3% of compound I1 and 0.3% of compound A1 to the nematic LC host mixture N2.

Example 15

[0760] Polymerizable mixture P16 is prepared by adding 0.4% of compound I1, 0.2% of compound IBT22 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N3.

##STR00904##

Example 16

[0761] Polymerizable mixture P16 is prepared by adding 0.3% of compound I1, 0.2% of compound IBT35 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N2.

##STR00905##

Example 17

[0762] The nematic LC host mixture N9 is formulated as follows:

TABLE-US-00030 B(S)-2O-O4 4.50% cl.p. 74.9 C. B(S)-2O-O5 5.00% n 0.1122 B(S)-2O-O6 2.00% n.sub.e 1.5993 CC-3-V 30.00% n.sub.o 1.4871 CC-4-V1 17.50% 3.7 CLY-3-O2 8.00% .sub.|| 3.7 CPY-2-O2 10.00% .sub. 7.4 CPY-3-O2 10.00% .sub.1 85 mPa .Math. s PY-1-O2 3.00% K.sub.1 14.5 PY-2-O2 10.00% K.sub.3 14.2 K.sub.3/K.sub.1 0.98 V.sub.0 2.07 V

[0763] Polymerizable mixture P17 is prepared by adding 0.4% of compound I1, 0.2% of compound IBD1 and 50 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N9.

Example 18

[0764] The nematic LC host mixture N10 is formulated as follows:

TABLE-US-00031 B(S)-2O-O4 4.00% cl.p. 74.7 B(S)-2O-O5 5.00% n 0.1122 BCH-32 7.00% n.sub.e 1.5977 CC-3-V1 8.00% n.sub.o 1.4855 CC-4-V1 11.00% 3.8 CCH-34 8.00% .sub.|| 3.9 CCH-35 6.00% .sub. 7.7 CCY-3-O2 11.00% .sub.1 109 mPa .Math. s CPY-2-O2 3.00% K.sub.1 15.0 CPY-3-O2 5.00% K.sub.3 15.4 CY-3-O2 15.00% K.sub.3/K.sub.1 0.97 PCH-302 5.00% V.sub.0 2.13 PPGU-3-F 1.00% PY-1-O2 4.00% PY-2-O2 7.00%

[0765] Polymerizable mixture P18 is prepared by adding 0.4% of compound I1 and 50 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N10.

##STR00906##

Example 19

[0766] The nematic LC host mixture N11 is formulated as follows:

TABLE-US-00032 CC-3-V1 8.50% cl.p. 75.1 C. CC-4-V1 19.00% n 0.1123 CCY-3-O1 6.00% n.sub.e 1.5969 CCY-3-O2 11.00% n.sub.o 1.4846 CLY-3-O2 5.00% 3.9 CPY-3-O2 11.00% .sub.|| 3.7 CY-3-O2 6.00% .sub. 7.5 PCH-302 13.50% .sub.1 124 mPa .Math. s PY-1-O2 6.00% K.sub.1 15.2 PY-2-O2 6.00% K.sub.3 18.3 PY-3-O2 8.00% K.sub.3/K.sub.1 1.20 V.sub.0 2.29 V

[0767] Polymerizable mixture P19 is prepared by adding 0.65% of compound I1, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N11.

Example 20

[0768] Polymerizable mixture P20 is prepared by adding 0.5% of compound I1, 0.4% of compound IBD3 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N1.

##STR00907##

Example 21

[0769] Polymerizable mixture P21 is prepared by adding 0.3% of compound I1, 0.2% of compound IBT1 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N3.

##STR00908##

Example 22

[0770] The nematic LC host mixture N12 is formulated as follows:

TABLE-US-00033 B(S)-2O-O4 2.00% cl.p. 73.9 B(S)-2O-O5 2.50% n 0.1165 BCH-32 8.00% n.sub.e 1.6084 CC-3-V 30.00% n.sub.o 1.4919 CC-4-V1 7.00% 2.7 CCP-3-1 11.00% .sub.|| 3.6 CLY-3-O2 3.00% .sub. 6.3 CPY-2-O2 2.00% .sub.1 79 mPa .Math. s CPY-3-O2 12.00% K.sub.1 14.1 PY-1-O2 11.50% K.sub.3 14.7 PY-2-O2 11.00% K.sub.3/K.sub.1 1.04 V.sub.0 2.46 V

[0771] Polymerizable mixture P22 is prepared by adding 0.5% of compound I1, 0.05% of compound IC45 and 0.6% of the SA additive SA23 to the nematic LC host mixture N12.

##STR00909##

Example 23

[0772] The nematic LC host mixture N13 is formulated as follows:

TABLE-US-00034 B(S)-2O-O4 4.50% cl.p. 75.6 C. B(S)-2O-O5 3.00% n 0.1049 CC-3-V 51.00% n.sub.e 1.5904 CCP-3-1 1.00% n.sub.o 1.4855 CLY-3-O2 9.00% 3.1 CPY-2-O2 10.00% .sub.|| 3.5 CPY-3-O2 12.00% .sub. 6.6 PY-1-O2 9.50% .sub.1 72 mPa .Math. s K.sub.1 14.1 K.sub.3 15.0 K.sub.3/K.sub.1 1.06 V.sub.0 2.34 V

[0773] Polymerizable mixture P23 is prepared by adding 0.4% of compound I1 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N13.

Example 24

[0774] The nematic LC host mixture N14 is formulated as follows:

TABLE-US-00035 CC-3-V1 9.00% cl.p. 75.4 C. CCH-23 14.00% n 0.1055 CCH-34 6.00% n.sub.e 1.5907 CCH-35 6.00% n.sub.o 1.4852 CCP-3-1 7.00% 2.8 CCY-3-O1 5.00% .sub.|| 3.3 CCY-3-O2 10.00% .sub. 6.1 CPY-3-O2 12.00% .sub.1 102 mPa .Math. s CY-3-O2 9.50% K.sub.1 16.2 PP-1-2V1 8.50% K.sub.3 17.3 PY-3-O2 12.00% K.sub.3/K.sub.1 1.07 PY-4-O2 1.00% V.sub.0 2.67 V

[0775] Polymerizable mixture P24 is prepared by adding 0.4% of compound I1, 0.1% of compound IC1 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N14.

##STR00910##

Example 25

[0776] Polymerizable mixture P25 is prepared by adding 0.4% of compound I1, 0.1% of compound IC2 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N3.

##STR00911##

Example 26

[0777] The nematic LC host mixture N15 is formulated as follows:

TABLE-US-00036 CC-3-V1 9.00% cl.p. 74.7 C. CCH-23 18.00% n 0.0982 CCH-34 3.00% n.sub.e 1.5800 CCH-35 7.00% n.sub.o 1.4818 CCP-3-1 5.50% 3.4 CCY-3-O2 11.50% .sub.|| 3.5 CPY-2-O2 8.00% .sub. 6.9 CPY-3-O2 11.00% .sub.1 108 mPa .Math. s CY-3-O2 15.50% K.sub.1 14.9 PY-3-O2 11.50% K.sub.3 15.9 K.sub.3/K.sub.1 1.07 V.sub.0 2.28 V

[0778] Polymerizable mixture P26 is prepared by adding 0.5% of compound I1, 0.05% of compound IC25 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N15.

##STR00912##

Example 27

[0779] The nematic LC host mixture N16 is formulated as follows:

TABLE-US-00037 BCH-32 10.00% cl.p. 74.6 C. CC-3-V1 6.50% n 0.1113 CCH-34 8.00% n.sub.e 1.5981 CCH-35 8.00% n.sub.o 1.4868 CCY-3-O2 12.00% 3.3 CPY-2-O2 6.50% .sub.|| 3.5 CPY-3-O2 11.00% .sub. 6.8 CY-3-O2 15.00% .sub.1 128 mPa .Math. s CY-5-O2 13.00% K.sub.1 14.5 PP-1-4 10.00% K.sub.3 15.3 K.sub.3/K.sub.1 1.06 V.sub.0 2.28 V

[0780] Polymerizable mixture P27 is prepared by adding 0.35% of compound I1 and 50 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N16.

Example 28

[0781] The nematic LC host mixture N17 is formulated as follows:

TABLE-US-00038 CC-3-V1 8.00% cl.p. 74.6 C. CCH-23 15.0% n 0.0899 CCH-34 5.00% n.sub.e 1.5694 CCH-35 6.00% n.sub.o 1.4795 CCP-3-1 3.00% 3.3 CCY-3-O1 8.00% .sub.|| 3.5 CCY-3-O2 10.00% .sub. 6.8 CCY-3-O3 6.00% .sub.1 114 mPa .Math. s CCY-4-O2 6.00% K.sub.1 13.9 CY-3-O2 12.0% K.sub.3 14.6 CY-3-O4 3.75% K.sub.3/K.sub.1 1.05 PCH-301 3.00% V.sub.0 2.22 V PY-3-O2 2.75% PY-4-O2 6.50% PYP-2-3 5.00%

[0782] Polymerizable mixture P28 is prepared by adding 0.4% of compound I1, 0.05% of compound IC45 and 50 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N17.

Example 29

[0783] The nematic LC host mixture N18 is formulated as follows:

TABLE-US-00039 B(S)-2O-O4 0.25% cl.p. 74.6 C. BCH-32 4.50% n 0.1034 CC-3-V1 13.00% n.sub.e 1.5883 CCH-23 15.00% n.sub.o 1.4849 CCH-301 1.00% 2.9 CCH-34 2.00% .sub.|| 3.4 CCH-35 0.50% .sub. 6.3 CCY-3-O2 6.50% .sub.1 103 mPa .Math. s CPY-2-O2 12.00% K.sub.1 13.0 CPY-3-O2 15.00% K.sub.3 15.3 CY-3-O2 15.50% K.sub.3/K.sub.1 1.18 CY-3-O4 0.25% V.sub.0 2.44 V PCH-301 13.00% PP-1-2V1 0.50% PYP-2-3 1.00%

[0784] Polymerizable mixture P29 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-8-1 to the nematic LC host mixture N18.

##STR00913##

Example 30

[0785] The nematic LC host mixture N19 is formulated as follows:

TABLE-US-00040 CCH-301 6.00% cl.p. 109.9 C. CCH-303 10.00% n 0.0976 CCH-501 4.00% n.sub.e 1.5806 CCP-3-1 7.00% n.sub.o 1.4830 CCPC-33 3.00% 3.6 CCPC-34 3.00% .sub.|| 3.4 CCY-3-O1 5.50% .sub. 7.0 CCY-3-O2 9.50% .sub.1 233 mPa .Math. s CCY-3-O3 7.00% K.sub.1 16.9 CCY-4-O2 8.50% K.sub.3 19.6 CPY-2-O2 3.00% K.sub.3/K.sub.1 1.16 CPY-3-O2 12.50% V.sub.0 2.47 V CY-3-O4 9.50% PCH-301 11.50%

[0786] Polymerizable mixture P30 is prepared by adding 0.65% of compound I1, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N19.

Example 31

[0787] The nematic LC host mixture N20 is formulated as follows:

TABLE-US-00041 BCH-32 8.00% cl.p. 74.6 C. CC-3-V1 13.00% n 0.1042 CC-4-V1 2.50% n.sub.e 1.5897 CCH-301 10.00% n.sub.o 1.4855 CCH-34 5.00% 3.1 CCH-35 5.00% .sub.|| 3.5 CLY-3-O2 12.50% .sub. 6.6 CPY-2-O2 11.50% .sub.1 104 mPa .Math. s CPY-3-O2 4.00% K.sub.1 13.7 CY-3-O2 15.00% K.sub.3 15.4 PCH-301 6.50% K.sub.3/K.sub.1 1.12 PY-1-O2 7.00% V.sub.0 2.37 V

[0788] Polymerizable mixture P31 is prepared by adding 0.5% of compound I1, 0.2% of compound IB4 and 100 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N20.

##STR00914##

Example 32

[0789] The nematic LC host mixture N21 is formulated as follows:

TABLE-US-00042 B(S)-20-O5 0.25% cl.p. 74.5 C. BCH-32 5.50% n 0.1028 CC-3-V 10.00% n.sub.e 1.5880 CC-3-V1 7.50% n.sub.o 1.4852 CC-4-V1 16.50% 3.1 CCH-35 0.25% .sub.|| 3.6 CCP-3-1 7.50% .sub. 6.7 CCY-3-O2 11.00% .sub.1 96 mPa .Math. s CCY-3-O3 1.00% K.sub.1 13.8 CCY-4-O2 7.00% K.sub.3 15.5 CCY-5-O2 2.00% K.sub.3/K.sub.1 1.12 CY-3-O2 9.00% V.sub.0 2.37 V PY-1-O2 9.00% PY-2-O2 9.00% PY-3-O2 4.50%

[0790] Polymerizable mixture P32 is prepared by adding 0.65% of compound I1, 0.05% of compound IC23 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N21.

##STR00915##

Example 33

[0791] The nematic LC host mixture N22 is formulated as follows:

TABLE-US-00043 BCH-32 4.50% cl.p. 74.8 C. CC-3-V 15.00% n 0.1030 CC-3-V1 7.50% n.sub.e 1.5889 CC-4-V1 12.50% n.sub.o 1.4859 CCP-3-1 7.00% 3.1 CCY-3-O1 7.00% .sub.|| 3.6 CCY-3-O2 10.50% .sub. 6.8 CCY-4-O2 6.50% .sub.1 94 mPa .Math. s CY-3-02 4.50% K.sub.1 13.8 PY-1-O2 9.50% K.sub.3 15.4 PY-2-O2 9.00% K.sub.3/K.sub.1 1.12 PY-3-O2 6.50% V.sub.0 2.35 V

[0792] Polymerizable mixture P33 is prepared by adding 0.4% of compound I1, 0.3% of compound IBD1 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N22.

Example 34

[0793] The nematic LC host mixture N23 is formulated as follows:

TABLE-US-00044 CC-3-V 10.50% cl.p. 74.5 C. CC-3-V1 5.50% n 0.1033 CC-4-V1 20.00% n.sub.e 1.5875 CCH-34 2.00% n.sub.o 1.4842 CCY-3-1 2.00% 3.6 CCY-3-O1 7.50% .sub.|| 6.9 CCY-3-O2 11.00% .sub. 96 mPa .Math. s CCY-4-O2 8.50% .sub.1 14.4 CLY-2-O4 1.00% K.sub.1 15.1 CLY-3-O2 2.00% K.sub.3 1.05 PP-1-2V1 3.50% K.sub.3/K.sub.1 2.29 V PY-1-O2 9.50% V.sub.0 PY-2-O2 9.50% PY-3-O2 6.00%

[0794] Polymerizable mixture P34 is prepared by adding 0.4% of compound I1, 0.3% of compound IBD6 and 150 ppm of the stabilizer ST-12 to the nematic LC host mixture N23.

##STR00916##

Example 35

[0795] The nematic LC host mixture N24 is formulated as follows:

TABLE-US-00045 CC-3-V1 7.50% cl.p. 74.5 C. CC-4-V1 20.00% n 0.1030 CCH-34 5.00% n.sub.e 1.5861 CCH-35 7.50% n.sub.o 1.4831 CCP-3-1 2.00% 3.5 CCY-3-O1 8.00% .sub.|| 3.6 CCY-3-O2 12.00% .sub. 7.1 CCY-4-O2 3.00% .sub.1 103 mPa .Math. s CLY-3-O2 4.00% K.sub.1 15.1 CY-3-O2 1.50% K.sub.3 15.4 PY-1-O2 9.50% K.sub.3/K.sub.1 1.02 PY-2-O2 9.50% V.sub.0 2.23 V PY-3-O2 10.50%

[0796] Polymerizable mixture P35 is prepared by adding 0.5% of compound 1A1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N24.

Example 36

[0797] The nematic LC host mixture N25 is formulated as follows:

TABLE-US-00046 CC-3-V1 7.50% cl.p. 75 C. CC-4-V1 19.50% n 0.1041 CCH-301 5.50% n.sub.e 1.5884 CCH-34 5.00% n.sub.o 1.4843 CCP-3-1 11.00% 3.1 CLY-3-O2 5.00% .sub.|| 3.6 CPY-2-O2 6.00% .sub. 6.7 CPY-3-O2 11.50% .sub.1 101 mPa .Math. s CY-3-O2 15.00% K.sub.1 14.0 PY-1-O2 6.50% K.sub.3 15.7 PY-2-O2 7.50% K.sub.3/K.sub.1 1.12 V.sub.0 2.37 V

[0798] Polymerizable mixture P36 is prepared by adding 0.5% of compound I1 and 0.6% of the SA additive SA32 to the nematic LC host mixture N25.

##STR00917##

Example 37

[0799] The nematic LC host mixture N26 is formulated as follows:

TABLE-US-00047 CC-3-V1 2.50% cl.p. 105.9 C. CC-4-V1 10.00% 3.6 CCH-301 3.00% .sub.|| 3.4 CCH-34 4.00% .sub. 7.0 CCH-35 4.00% CCP-3-1 6.00% CCP-3-3 6.00% CCY-3-O1 4.00% CCY-3-O2 4.00% CCY-3-O3 4.00% CCY-4-O2 4.00% CCY-5-O2 4.00% CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O2 6.50% CY-3-O4 10.00% PYP-2-3 5.00% PYP-2-4 3.00%

[0800] Polymerizable mixture P37 is prepared by adding 0.4% of compound I1, 0.3% of compound IBD19 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N26.

##STR00918##

Example 38

[0801] The nematic LC host mixture N27 is formulated as follows:

TABLE-US-00048 cl.p. 105 C. BCH-52 9.00% cl.p. 105 C. CC-3-V1 2.00% 3.6 CC-4-V1 12.50% .sub.|| 3.4 CCH-301 2.00% .sub. 7.0 CCH-34 3.50% CCH-35 4.00% CCP-3-1 7.50% CCY-3-O1 4.00% CCY-3-O2 4.00% CCY-3-O3 4.00% CCY-4-O2 4.00% CCY-5-O2 4.00% CPY-2-O2 10.00% CPY-3-O2 10.00% CY-3-O4 12.50% PY-1-O2 7.00%

[0802] Polymerizable mixture P38 is prepared by adding 0.5% of compound I1, 0.05% of compound IC45 and 100 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N27.

Example 39

[0803] The nematic LC host mixture N28 is formulated as follows:

TABLE-US-00049 B(S)-20-05 0.25% cl.p. 75.1 C. BCH-32 1.50% n 0.1038 CC-3-V1 8.00% n.sub.e 1.5864 CC-4-V1 20.00% n.sub.o 1.4826 CCH-303 1.50% 3.0 CCH-34 6.00% .sub.|| 3.4 CCH-35 8.00% .sub. 6.5 CCY-3-O2 9.50% .sub.1 99 mPa .Math. s CPY-2-O2 6.00% K.sub.1 15.6 CPY-3-O2 11.00% K.sub.3 16.0 CY-3-O2 12.50% K.sub.3/K.sub.1 1.03 PP-1-2V1 2.75% V.sub.0 2.44 V PY-1-O2 5.50% PY-2-O2 4.50% PY-3-O2 3.00%

[0804] Polymerizable mixture P39 is prepared by adding 0.4% of compound I1, 0.2% of compound RM-169 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N28.

##STR00919##

Example 40

[0805] The nematic LC host mixture N29 is formulated as follows:

TABLE-US-00050 BCH-32 0.50% cl.p. 74.8 C. CC-3-V1 7.00% n 0.1036 CC-4-V1 19.50% n.sub.e 1.5884 CCH-301 12.00% n.sub.o 1.4848 CCH-34 1.50% 3.1 CCP-3-1 9.00% .sub.|| 3.6 CCY-3-O1 1.50% .sub. 6.7 CCY-3-O2 9.50% .sub.1 102 mPa .Math. s CPY-2-O2 3.00% K.sub.1 13.8 CPY-3-O2 11.00% K.sub.3 15.6 CY-3-O2 6.50% K.sub.3/K.sub.1 1.13 PY-1-O2 9.00% V.sub.0 2.39 V PY-2-O2 9.00% PY-3-O2 1.00%

[0806] Polymerizable mixture P40 is prepared by adding 0.65% of compound I1, 0.1% of compound IC1 and 50 ppm of the stabilizer H-1-1-1 to the nematic LC host mixture N29.

##STR00920##

Example 41

[0807] The nematic LC host mixture N30 is formulated as follows:

TABLE-US-00051 B-20-O5 4.00% cl.p. 74.2 C. BCH-32 8.00% n 0.1091 CC-3-V1 9.00% n.sub.e 74.2 CCH-301 2.00% n.sub.o 1.4862 CCH-34 8.00% 3.1 CCH-35 7.00% .sub.|| 3.6 CCP-3-1 8.00% .sub. 6.7 CCP-V2-1 5.00% .sub.1 108 mPa .Math. s CCY-3-O2 10.50% K.sub.1 14.5 CLY-3-O2 1.00% K.sub.3 16.5 CPY-3-O2 2.50% K.sub.3/K.sub.1 1.14 CY-3-O2 11.50% V.sub.0 2.41 V PCH-301 5.50% PY-3-O2 18.00%

[0808] Polymerizable mixture P41 is prepared by adding 0.5% of compound I1, 0.1% of compound IC2 and 50 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N30.

Example 42

[0809] The nematic LC host mixture N31 is formulated as follows:

TABLE-US-00052 CC-3-V1 3.00% cl.p. 74.8 C. CCH-301 9.00% n 0.0891 CCH-303 5.00% n.sub.e 1.5681 CCH-34 9.00% n.sub.o 1.4790 CCH-35 9.00% 3.2 CCP-3-1 8.00% .sub.|| 3.5 CCY-3-O2 11.50% .sub. 6.7 CCY-5-O2 9.00% .sub.1 115 mPa .Math. s CPY-3-O2 6.00% K.sub.1 14.2 CY-3-O2 15.00% K.sub.3 16.3 PCH-301 4.50% K.sub.3/K.sub.1 1.15 PY-3-O2 11.00% V.sub.0 2.38 V

[0810] Polymerizable mixture P42 is prepared by adding 0.65% of compound I1, 0.1% of compound IC23 and 150 ppm of the stabilizer H-2-1-1 to the nematic LC host mixture N31.

##STR00921##

Example 43

[0811] The nematic LC host mixture N32 is formulated as follows:

TABLE-US-00053 BCH-32 10.50% cl.p. 74.5 C. CCH-34 9.00% n 0.1090 CCH-35 9.00% n.sub.e 1.5953 CCP-3-1 8.00% n.sub.o 1.4863 CCY-3-O2 9.50% 3.4 CCY-4-O2 5.50% .sub.|| 3.7 CPY-3-O2 5.50% .sub. 7.0 CY-3-O2 15.00% .sub.1 128 mPa .Math. s CY-5-O2 5.00% K.sub.1 14.0 PCH-301 7.00% K.sub.3 15.7 PY-3-O2 16.00% K.sub.3/K.sub.1 1.12 V.sub.0 2.25 V

[0812] Polymerizable mixture P43 is prepared by adding 0.4% of compound I1, 0.2% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N32.

Example 44

[0813] The nematic LC host mixture N33 is formulated as follows:

TABLE-US-00054 B(S)-2O-O5 4.00% cl.p. 74.7 C. BCH-32 5.00% n 0.1024 CC-3-V1 6.00% n.sub.e 1.5885 CCH-34 9.00% n.sub.o 1.4861 CCH-35 9.00% 3.2 CCP-3-1 8.00% .sub.|| 3.6 CCY-3-O1 6.50% .sub. 6.7 CCY-3-O2 9.00% .sub.1 109 mPa .Math. s CLY-3-O2 1.00% K.sub.1 13.5 CPY-3-O2 4.50% K.sub.3 16.5 CY-3-O2 13.00% K.sub.3/K.sub.1 1.22 PCH-301 15.00% V.sub.0 2.39 V PY-1-O2 8.00% PY-2-O2 2.00%

[0814] Polymerizable mixture P44 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N33.

Example 45

[0815] Polymerizable mixture P45 is prepared by adding 0.3% of compound I1, 0.2% of compound IBT8 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N8.

##STR00922##

Example 46

[0816] The nematic LC host mixture N34 is formulated as follows:

TABLE-US-00055 CCH-301 9.00% cl.p. 110.9 C. CCH-34 9.00% n 0.1022 CCH-35 8.00% n.sub.e 1.5867 CCOC-4-3 3.00% n.sub.o 1.4845 CCP-3-1 6.00% 3.0 CCP-3-3 6.00% .sub. 3.3 CCPC-33 3.00% .sub. 6.3 CCY-3-1 3.50% .sub.1 199 mPa .Math. s CCY-3-O2 4.50% K.sub.1 18.8 CCY-3-O3 6.00% K.sub.3 19.6 CCY-4-O2 6.00% K.sub.3/K.sub.1 1.04 CCY-5-O2 5.00% V.sub.0 2.69 V CPY-2-O2 10.50% CPY-3-O2 6.50% CY-3-O2 1.00% PCH-302 4.00% PY-2-O2 9.00%

[0817] Polymerizable mixture P46 is prepared by adding 0.5% of compound I1, 0.2% of compound IBD1 and 0.6% of the SA additive SA23 to the nematic LC host mixture N34.

Example 47

[0818] The nematic LC host mixture N35 is formulated as follows:

TABLE-US-00056 BCH-32 3.00% cl.p. 109.8 C. CCH-301 9.00% n 0.1020 CCH-34 9.00% n.sub.e 1.5867 CCH-35 2.50% n.sub.o 1.4847 CCOC-4-3 3.00% 3.0 CCP-3-1 6.00% .sub. 3.3 CCP-3-3 5.00% .sub. 6.2 CCY-3-1 3.00% .sub.1 204 mPa .Math. s CCY-3-O2 6.00% K.sub.1 18.4 CCY-3-O3 6.00% K.sub.3 20.3 CCY-4-O2 6.00% K.sub.3/K.sub.1 1.10 CCY-5-O2 6.00% V.sub.0 2.75 V CPY-2-O2 10.00% CPY-3-O2 8.50% CY-3-O2 6.00% PCH-302 11.00%

[0819] Polymerizable mixture P47 is prepared by adding 0.45% of compound I1, 0.2% of compound IBD6, 0.6% of the SA additive SA23 and 50 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N35.

Example 48

[0820] The nematic LC host mixture N36 is formulated as follows:

TABLE-US-00057 B(S)-2O-O5 2.00% cl.p. 74.3 C. BCH-32 9.50% n 0.1080 CC-3-V1 6.50% n.sub.e 1.5962 CCH-301 8.50% n.sub.o 1.4882 CCH-34 3.00% 3.3 CCP-3-1 9.50% .sub. 3.7 CCY-3-O1 6.50% .sub. 7.0 CCY-5-O2 9.50% .sub.1 121 mPa .Math. s CLY-3-O2 1.00% K.sub.1 12.9 CPY-3-O2 5.50% K.sub.3 15.9 CY-3-O2 15.50% K.sub.3/K.sub.1 1.23 PCH-301 5.00% V.sub.0 2.31 V PCH-302 6.50% PY-2-O2 11.50%

[0821] Polymerizable mixture P48 is prepared by adding 0.4% of compound I1, 0.3% of compound IBD4, 0.6% of the SA additive SA32 and 50 ppm of the stabilizer ST-8-1 to the nematic LC host mixture N36.

Example 49

[0822] The nematic LC host mixture N37 is formulated as follows:

TABLE-US-00058 B(S)-2O-O4 3.00% cl.p. 74.9 C. B(S)-2O-O5 5.00% n 0.1154 BCH-32 7.00% 2.7 CC-3-V 29.50% .sub.1 77 mPa .Math. s CC-3-V1 9.00% K.sub.1 14.3 CCP-3-1 11.00% K.sub.3 14.9 CCP-3-3 2.00% .sub.1/K.sub.3 5.17 CLY-3-O2 2.00% CPY-2-O2 6.50% CPY-3-O2 5.50% PY-1-O2 10.50% PY-2-O2 9.00%

[0823] Polymerizable mixture P49 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-12 to the nematic LC host mixture N37.

Example 50

[0824] The nematic LC host mixture N38 is formulated as follows:

TABLE-US-00059 BCH-32 2.00% cl.p. 74.7 C. CC-3-V 22.50% n 0.1039 CC-3-V1 9.50% 3.0 CCP-3-1 3.00% .sub. 3.5 CCY-3-O2 3.50% K.sub.3/K.sub.1 1.17 CCY-4-O2 4.00% .sub.1 99 mPa .Math. s CPY-2-O2 12.00% V.sub.0 2.39 CPY-3-O2 12.50% CY-3-O2 15.50% CY-3-O4 4.00% PCH-3O1 7.00% PP-1-2V1 1.50% PYP-2-3 3.00%

[0825] Polymerizable mixture P50 is prepared by adding 0.35% of compound I1 and 150 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N38.

Example 51

[0826] The nematic LC host mixture N39 is formulated as follows:

TABLE-US-00060 CY-3-O4 12.00% cl.p. 77 C. PY-3-O2 9.00% n 0.088 CPY-3-O2 12.00% 3.1 CCOY-2-O2 8.00% CCY-5-O2 10.00% CC-3-V 20.00% CCH-32 30.00%

[0827] Polymerizable mixture P51 is prepared by adding 0.5% of compound I1, 0.1% of compound IC25, 0.6% of the SA additive SA23 and 50 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N39.

Example 52

[0828] The nematic LC host mixture N40 is formulated as follows:

TABLE-US-00061 CY-3-O4 12.00% cl.p. 77 C. PY-3-O2 9.00% n 0.088 CPY-3-O2 12.00% 3.1 CCOY-2-O2 8.00% CCY-5-O2 10.00% CC-3-V 20.00% CCH-32 30.00%

[0829] Polymerizable mixture P52 is prepared by adding 0.65% of compound I1, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N40.

Example 53

[0830] The nematic LC host mixture N41 is formulated as follows:

TABLE-US-00062 CCH-32 10.00% cl.p. 86 C. COY-3-O2 10.00% n 0.105 COY-3-O1 10.00% 5.9 CCOY-2-O2 9.00% CCY-3-O1 7.00% CCY-3-O2 6.00% CCY-4-O2 6.00% CPY-5-O2 8.00% CPY-3-O1(c3) 10.00% CPY-2-O2 10.00% CY-3-O2 7.00% CY-3-O4 7.00%

[0831] Polymerizable mixture P53 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N41.

Example 54

[0832] The nematic LC host mixture N42 is formulated as follows:

TABLE-US-00063 CCH-32 11.00% cl.p. 79 C. CC-3-V 10.00% n 0.112 PP-5-O2 5.00% 4.3 COY-3-O2 8.00% COY-3-O1 7.00% CCOY-2-O2 13.00% CPY-(c5)-O2 7.00% CPY-3-O2 10.00% CPY-2-O2 10.00% PY-3-O2 10.00% CCP-3-1 2.00% CCP-V-1 4.00% CCP-V2-1 4.00%

[0833] Polymerizable mixture P54 is prepared by adding 0.4% of compound I1 and 150 ppm of the stabilizer ST-12 to the nematic LC host mixture N42.

Example 55

[0834] The nematic LC host mixture N43 is formulated as follows:

TABLE-US-00064 CY-5-O2 11.00% cl.p. 60 C. PY-3-O2 9.00% n 0.097 COY-3-O2 17.00% 2.8 B(S)-(c5)1O-O4 4.00% PP-1-5 10.00% CC-3-V1 26.00% CCH-32 5.00% CCP-3-1 12.00% BCH-32 6.00%

[0835] Polymerizable mixture P55 is prepared by adding 0.4% of compound I1 and 150 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N43.

Example 56

[0836] The nematic LC host mixture N44 is formulated as follows:

TABLE-US-00065 CCH-23 16.50% cl.p. 75 C. CCH-34 3.00% n 0.112 PCH-3O1 15.00% 3.0 PP-1-3 9.00% BCH-32 8.00% COY-3-O1 8.50% CCOY-3-O2 17.00% CPY-2-O2 6.50% CPY-3-O2 8.00% CPY-3-O4 8.50%

[0837] Polymerizable mixture P56 is prepared by adding 0.5% of compound I1, 0.2% of compound IBD23 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N44.

Example 57

[0838] The nematic LC host mixture N45 is formulated as follows:

TABLE-US-00066 CCH-23 12.00% cl.p. 111 C. CCH-34 8.00% n 0.097 CCH-35 7.00% 3.1 PCH-3O1 8.00% CCP-3-1 7.00% CCP-3-3 4.00% BCH-32 5.00% CCOY-2-O2 15.00% CCOY-3-O2 15.00% CPY-2-O2 5.00% CPY-3-O2 5.00% CPY-3-O3 5.00% CPY-3-O4 4.00%

[0839] Polymerizable mixture P57 is prepared by adding 0.5% of compound I1, 0.1% of compound IBT1 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N45.

Example 58

[0840] The nematic LC host mixture N46 is formulated as follows:

TABLE-US-00067 CC-3-V 32.00% cl.p. 74 C. PP-1-3 11.00% n 0.104 CCP-3-1 8.00% 2.9 CY-5-O2 2.00% COY-3-O1 11.50% CCY-3-O2 11.50% CPY-2-O2 7.00% CPY-3-O2 8.00% CPY-3-O4 9.00%

[0841] Polymerizable mixture P58 is prepared by adding 0.5% of compound I1, 0.1% of compound IBT22 and 150 ppm of the stabilizer ST-12 to the nematic LC host mixture N46.

Example 59

[0842] The nematic LC host mixture N47 is formulated as follows:

TABLE-US-00068 CCH-23 21.50% cl.p. 75 C. CCH-34 9.50% n 0.103 PP-1-3 13.50% 2.8 CCP-3-1 6.00% COY-3-O1 11.50% CCOY-3-O2 14.00% CPY-2-O2 7.00% CPY-3-O2 8.00% CPY-3-O4 9.00%

[0843] Polymerizable mixture P59 is prepared by adding 0.5% of compound I1, 0.1% of compound IBT1 and 150 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N47.

Example 60

[0844] The nematic LC host mixture N48 is formulated as follows:

TABLE-US-00069 CEY-3-O2 7.00% cl.p. 89 C. CCY-3-O2 8.00% n 0.115 CCOY-3-O2 5.00% 1.9 CLY-2-O2 8.00% CAIY-3-O2 3.00% CAIY-5-O2 4.00% PYP-2-3 7.00% PYP-2-4 7.00% CC-4-V 15.00% CC-3-V1 6.00% CC-1-2V1 6.00% CC-3-2V1 4.00% PP-1-2V 5.00% PP-1-2V1 5.00% CCP-3-1 6.00% CBC-33F 4.00%

[0845] Polymerizable mixture P60 is prepared by adding 0.5% of compound I1, 0.1% of compound IBT35, 0.6% of the SA additive SA32 and 150 ppm of the stabilizer ST-8-1 to the nematic LC host mixture N48.

Example 61

[0846] The nematic LC host mixture N49 is formulated as follows:

TABLE-US-00070 B(S)-2O-O5 2.00% cl. p. 74 C. BCH-32 9.50% n 0.108 CCP-3-1 9.50% 3.6 CCY-3-O1 6.50% CCY-5-O2 9.50% CLY-3-O2 1.00% CPY-3-O2 5.50% CC-3-V1 6.50% CCH-301 8.50% CCH-34 3.00% COY-3-O2 15.50% PCH-3O1 5.00% PCH-3O2 6.50% PY-2-O2 11.50%

[0847] Polymerizable mixture P61 is prepared by adding 0.5% of compound I1, 0.2% of compound IBD1, 0.6% of the SA additive SA32 and 100 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N49.

Example 62

[0848] The nematic LC host mixture N50 is formulated as follows:

TABLE-US-00071 B(S)-2O-O4 4.0% cl. p. 75 C. B(S)-2O-O4 4.0% n 0.114 BCH-32 7.5% n.sub.e 1.606 CC-3-V 25.75% n.sub.o 1.492 CC-3-V1 10.0% 2.6 CCP-3-1 13.0% .sub. 3.6 CCP-3-3 3.25% .sub. 6.1 CLY-3-O2 2.0% K.sub.1 13.7 CPY-2-O2 9.5% K.sub.3 14.2 PY-2-O2 11.0% PY-2-O1 10.0%

[0849] Polymerizable mixture P62 is prepared by adding 0.45% of compound I1, 0.2% of compound IBD6, 0.6% of the SA additive SA32 and 150 ppm of the stabilizer ST-9-1 to the nematic LC host mixture N50.

Example 63

[0850] The nematic LC host mixture N51 is formulated as follows:

TABLE-US-00072 BCH-32 7.50% cl. p. 75.5 C. CC-3-V1 6.50% n 0.1105 CCH-34 8.00% n.sub.e 1.5970 CCH-35 8.00% n.sub.o 1.4865 CCY-3-O2 12.00% 3.3 CPY-2-O2 9.50% .sub. 3.5 CPY-3-O2 11.00% .sub. 6.8 CY-3-O2 12.00% .sub.1 130 mPa .Math. s CY-5-O2 13.00% K.sub.1 14.2 PCH-301 4.00% K.sub.3 15.4 PP-1-4 8.50% K.sub.3/K.sub.1 1.08 V.sub.0 2.28 V

[0851] Polymerizable mixture P63 is prepared by adding 0.5% of compound I1 to the nematic LC host mixture N51.

Example 64

[0852] The nematic LC host mixture N52 is formulated as follows:

TABLE-US-00073 B(S)-2O-O4 4.50% cl. p. 75.5 C. B(S)-2O-O5 5.00% n 0.1120 BCH-32 6.00% n.sub.e 1.6001 CC-3-V 30.00% n.sub.o 1.4881 CC-3-V1 8.00% 4.1 CCY-3-O1 7.50% .sub. 3.8 CCY-3-O2 11.00% .sub. 8.0 CLY-3-O2 8.00% .sub.1 92 mPa .Math. s PY-1-O2 10.50% K.sub.1 14.8 PY-2-O2 9.50% K.sub.3 15.7 K.sub.3/K.sub.1 1.06 V.sub.0 2.06 V

[0853] Polymerizable mixture P64 is prepared by adding 0.5% of compound I1, 0.2% of compound IB23 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N52.

Example 65

[0854] The nematic LC host mixture N53 is formulated as follows:

TABLE-US-00074 B(S)-(c5)1O-O4 4.50% cl. p. 74.7 C. B(S)-2O-O5 5.00% n 0.1120 B(S)-2O-O6 2.00% 3.6 CC-3-V 30.00% .sub. 3.7 CC-4-V1 17.50% .sub. 7.3 CLY-3-O2 8.00% .sub.1 88 mPa .Math. s CPY-2-O2 10.00% K.sub.1 14.2 CPY-3-O2 10.00% K.sub.3 14.0 PY-1-O2 3.00% V.sub.0 2.09 V PY-2-O2 10.00%

[0855] Polymerizable mixture P65 is prepared by adding 0.5% of compound I1 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N53.

Example 66

[0856] The nematic LC host mixture N54 is formulated as follows:

TABLE-US-00075 B(S)-(c3)1O-O4 4.50% cl. p. 75.4 C. B(S)-2O-O5 3.00% n 0.1046 CC-3-V 51.00% 3.0 CCP-3-1 1.00% .sub. 3.5 CLY-3-O2 9.00% .sub. 6.5 CPY-2-O2 10.00% .sub.1 74 mPa .Math. s CPY-3-O2 12.00% K.sub.1 14.0 PY-1-O2 9.50% K.sub.3 15.0 V.sub.0 2.36 V

[0857] Polymerizable mixture P66 is prepared by adding 0.4% of compound I1, 0.2% of compound IBD6 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N54.

Example 67

[0858] The nematic LC host mixture N55 is formulated as follows:

TABLE-US-00076 B(S)-2O-O4 2.0% cl. p. 74.5 C. B(S)-2O-O5 4.1% n 0.1359 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.8 CC-3-V1 7.8% .sub. 3.2 CC-4-V1 2.8% .sub.1 96 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.2 CPY-2-O2 10.8% K.sub.3 15.7 CPY-3-O2 8.0% APY-3-O2 6.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0% B(S)-2O-O5 4.1%

[0859] Polymerizable mixture P67 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N55.

Example 68

[0860] The nematic LC host mixture N56 is formulated as follows:

TABLE-US-00077 B(A)-2O-O2 2.0% cl. p. 75.5 C. B(S)-2O-O5 4.1% n 0.1363 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.7 CC-3-V1 7.8% .sub. 3.1 CC-4-V1 2.8% .sub.1 98 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.2 CPY-2-O2 10.8% K.sub.3 16.2 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0861] Polymerizable mixture P68 is prepared by adding 0.4% of compound I1, 0.1% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N56.

Example 69

[0862] The nematic LC host mixture N57 is formulated as follows:

TABLE-US-00078 B(P)-2O-O3 2.0% cl. p. 76.5 C. B(P)-2O-O4 4.1% n 0.1377 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.4 CC-3-V1 7.8% .sub. 2.8 CC-4-V1 2.8% .sub.1 99 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.5 CPY-2-O2 10.8% K.sub.3 16.1 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0863] Polymerizable mixture P69 is prepared by adding 0.35% of compound I1, 0.1% of compound A, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N57.

Example 70

[0864] The nematic LC host mixture N58 is formulated as follows:

TABLE-US-00079 B(S)-1V1O-O1(c5) 2.0% cl. p. 75.5 C. B(S)-2O-O5 4.1% n 0.1361 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.7 CC-3-V1 7.8% .sub. 3.1 CC-4-V1 2.8% .sub.1 99 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.6 CPY-2-O2 10.8% K.sub.3 16.1 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0865] Polymerizable mixture P70 is prepared by adding 0.35% of compound I1, 0.15% of compound IBD6 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N58.

Example 71

[0866] The nematic LC host mixture N59 is formulated as follows:

TABLE-US-00080 B(S)-2O-O1(c4) 2.0% cl. p. 75.0 C. B(S)-2O-O5 4.1% n 0.1361 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.7 CC-3-V1 7.8% .sub. 3.1 CC-4-V1 2.8% .sub.1 99 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.4 CPY-2-O2 10.8% K.sub.3 16.1 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0867] Polymerizable mixture P71 is prepared by adding 0.35% of compound I1, 0.15% of compound IBD4 and 100 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N59.

Example 72

[0868] The nematic LC host mixture N60 is formulated as follows:

TABLE-US-00081 B(S)-2O-O1(c5) 2.0% cl. p. 75 C. B(S)-4O-O1(c5) 4.1% n 0.1351 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.8 CC-3-V1 7.8% .sub. 3.2 CC-4-V1 2.8% .sub.1 102 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.4 CPY-2-O2 10.8% K.sub.3 15.9 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0869] Polymerizable mixture P72 is prepared by adding 0.3% of compound I1, 0.1% of compound A and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N60.

Example 73

[0870] The nematic LC host mixture N61 is formulated as follows:

TABLE-US-00082 B(S)-2O-O4 2.0% cl. p. 75 C. B(S)-4O-O5 4.1% n 0.1355 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.7 CC-3-V1 7.8% .sub. 3.1 CC-4-V1 2.8% .sub.1 98 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.2 CPY-2-O2 10.8% K.sub.3 15.9 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0871] Polymerizable mixture P73 is prepared by adding 0.3% of compound I1 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N61.

Example 74

[0872] The nematic LC host mixture N62 is formulated as follows:

TABLE-US-00083 B(S)-2O-O4 2.0% cl. p. 74.5 C. B(S)-2O-O5 4.1% n 0.1317 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 687 CC-3-V1 7.8% .sub. 3.2 CC-4-V1 2.8% .sub.1 98 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.8 CPY-2-O2 10.8% K.sub.3 16.5 CPY-3-O2 8.0% CCEY-3-O2 6.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0873] Polymerizable mixture P74 is prepared by adding 0.3% of compound I1, 0.2% of compound IDB-1 and 200 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N62.

Example 75

[0874] The nematic LC host mixture N63 is formulated as follows:

TABLE-US-00084 B(S)-2O-O4 2.0% cl. p. 74.5 C. B(S)-2O-O5 4.1% n 0.1312 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.9 CC-3-V1 7.8% .sub. 3.3 CC-4-V1 2.8% .sub.1 104 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.0 CPY-2-O2 10.8% K.sub.3 15.8 CPY-3-O2 8.0% CCOY-3-O(C3) 6.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0875] Polymerizable mixture P75 is prepared by adding 0.3% of compound I1 and 200 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N63.

Example 76

[0876] The nematic LC host mixture N64 is formulated as follows:

TABLE-US-00085 B(S)-2O-O4 2.0% cl. p. 74.5 C. B(S)-2O-O5 4.1% n 0.1313 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.9 CC-3-V1 7.8% .sub. 3.2 CC-4-V1 2.8% .sub.1 104 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.4 CPY-2-O2 10.8% K.sub.3 16.0 CPY-3-O2 8.0% CCOY-3-O(c4) 6.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0% B(S)-2O-O4 2.0%

[0877] Polymerizable mixture P76 is prepared by adding 0.4% of compound I1, 0.2% of compound IBT35, 0.6% of the SA additive SA32 and 150 ppm of the stabilizer ST-8-1 to the nematic LC host mixture N64.

Example 77

[0878] The nematic LC host mixture N65 is formulated as follows:

TABLE-US-00086 B(S)-2O-O4 2.0% cl. p. 73.5 C. B(S)-2O-O5 4.1% n 0.1290 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 7.0 CC-3-V1 7.8% .sub. 3.4 CC-4-V1 2.8% .sub.1 101 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.5 CPY-2-O2 10.8% K.sub.3 16.0 CPY-3-O2 8.0% CCOY-3-O(c5) 6.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0879] Polymerizable mixture P77 is prepared by adding 0.4% of compound I1, 0.2% of compound IBD4, 0.6% of the SA additive SA23 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N65.

Example 78

[0880] The nematic LC host mixture N66 is formulated as follows:

TABLE-US-00087 B(S)-2O-O4 2.0% cl. p. 72 C. B(S)-2O-O5 4.1% n 0.1307 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 7.0 CC-3-V1 7.8% .sub. 3.4 CC-4-V1 2.8% .sub.1 99 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.5 CPY-2-O2 10.8% K.sub.3 16.1 CPY-3-O2 6.0% CLOY-3-O2 8.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0881] Polymerizable mixture P78 is prepared by adding 0.4% of compound I1, 0.1% of compound IC45 and 150 ppm of the stabilizer ST-8-1 to the nematic LC host mixture N66.

Example 79

[0882] The nematic LC host mixture N67 is formulated as follows:

TABLE-US-00088 B(S)-2O-O1(c3) 2.0% cl. p. 75 C. B(S)-2O-O5 4.1% n 0.1362 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.7 CC-3-V1 7.8% .sub. 3.1 CC-4-V1 2.8% .sub.1 99 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.4 CPY-2-O2 10.8% K.sub.3 16.1 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0883] Polymerizable mixture P79 is prepared by adding 0.4% of compound I1 and 150 ppm of the stabilizer ST-8-1 to the nematic LC host mixture N67.

Example 80

[0884] The nematic LC host mixture N68 is formulated as follows:

TABLE-US-00089 B(S)-2O-O4 2.0% cl. p. 76 C. B(S)-2O-O5 4.1% n 0.1362 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.7 CC-3-V1 7.8% .sub. 3.1 CC-4-V1 2.8% .sub.1 98 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.7 CPY-2-O2 10.8% K.sub.3 16.2 CPY-3-O2 14.0% LY-(c5)-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0885] Polymerizable mixture P80 is prepared by adding 0.4% of compound I1, 0.2% of compound IBD6 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N68.

Example 81

[0886] The nematic LC host mixture N69 is formulated as follows:

TABLE-US-00090 B(S)-2O-O4 2.0% cl. p. 75.0 C. B(S)-2O-O5 4.1% n 0.1357 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.7 CC-3-V1 7.8% .sub. 3.1 CC-4-V1 2.8% .sub.1 97 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.5 CPY-2-O2 10.8% K.sub.3 16.0 CPY-3-O2 14.0% LOY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0887] Polymerizable mixture P81 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N69.

Example 82

[0888] The nematic LC host mixture N70 is formulated as follows:

TABLE-US-00091 B(S)-2O-O4 2.0% cl. p. 68 C. B(S)-2O-O5 4.1% n 0.1318 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 7.1 CC-3-V1 7.8% .sub. 3.5 CC-4-V1 2.8% .sub.1 80 mPa .Math. s CCP-3-1 7.0% K.sub.1 14.0 CCY-V-O2 6.8% K.sub.3 14.6 CPY-V-O2 6.0% CPY-V-O4 6.0% PY-V2-O2 6.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0889] Polymerizable mixture P82 is prepared by adding 0.4% of compound I1 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N70.

Example 83

[0890] The nematic LC host mixture N71 is formulated as follows:

TABLE-US-00092 YG-2O-O4 2.0% cl. p. 72.5 C. YG-4O-O2 4.1% n 0.1334 YG-4O-O4 4.0% 3.6 BCH-32 4.2% .sub. 6.5 CC-3-V 19.0% .sub. 2.9 CC-3-V1 7.8% .sub.1 100 mPa .Math. s CC-4-V1 2.8% K.sub.1 14.9 CCP-3-1 7.0% K.sub.3 15.6 CPY-2-O2 10.8% CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 6.0% PY-3-O2 6.3% PYP-2-3 1.0%

[0891] Polymerizable mixture P83 is prepared by adding 0.3% of compound I1, 0.2% of compound IBD6 and 200 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N71.

Example 84

[0892] The nematic LC host mixture N72 is formulated as follows:

TABLE-US-00093 B(S)-2O-O4 2.0% cl. p. 75.5 C. B(S)-2O-O5 4.1% n 0.1359 BCH-32 4.2% 3.6 CC-3-V 19.0% .sub. 6.8 CC-3-V1 7.8% .sub. 3.2 CC-4-V1 2.8% .sub.1 97 mPa .Math. s CCP-3-1 7.0% K.sub.1 15.6 CPY-2-O2 10.8% K.sub.3 16.1 CPY-3-O2 14.0% LY-3-O2 1.0% PP-1-2V1 10.0% PY-2-O2 10.0% PY-3-O2 6.3% PGIY-2-O4 1.0%

[0893] Polymerizable mixture P84 is prepared by adding 0.3% of compound I1, 0.2% of compound IBD4 and 200 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N72.

Example 85

[0894] Polymerizable mixture P85 is prepared by adding 0.5% of compound I1 to the nematic LC host mixture N1.

Example 86

[0895] Polymerizable mixture P86 is prepared by adding 0.5% of compound I1 to the nematic LC host mixture N2.

Example 87

[0896] Polymerizable mixture P87 is prepared by adding 0.65% of compound I1 to the nematic LC host mixture N2.

Example 88

[0897] Polymerizable mixture P88 is prepared by adding 0.5% of compound I1 to the chiral host mixture C1.

Example 89

[0898] Polymerizable mixture P89 is prepared by adding 0.65% of compound I1 and 0.05% of compound IC45 to the chiral host mixture C1.

Example 90

[0899] Polymerizable mixture P90 is prepared by adding 0.45% of compound I1, 0.15% of compound A and 0.05% of compound IC45 to the chiral host mixture C1.

Example 91

[0900] The nematic LC host mixture N73 is formulated as follows:

TABLE-US-00094 CC-3-V1 9.50% cl. p. 73.3 C. CCH-301 3.50% n 0.1001 CCH-34 9.00% n.sub.e 1.5813 CCH-35 5.00% n.sub.o 1.4812 CCP-3-1 6.50% 4.1 CCY-3-O1 6.00% .sub. 3.9 CCY-3-O2 12.50% .sub. 8.0 CPY-3-O2 11.50% .sub.1 100 mPa .Math. s CY-3-O2 15.50% K.sub.1 13.3 CY-3-O4 6.00% K.sub.3 15.2 PY-2-O2 10.50% V.sub.0 2.04 V PY-3-O2 3.50% PYP-2-3 1.00%

[0901] Polymerizable mixture P91 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N73.

Example 92

[0902] The nematic LC host mixture N74 is formulated as follows:

TABLE-US-00095 B(S)-2O-O4 4.0% Cl. p. [ C.]: 92.8 B(S)-2O-O5 5.0% n [589 nm, 25 C.]: 0.1149 B(S)-2O-O6 3.0% n.sub.e [589 nm, 25 C.]: 1.6024 CC-3-V 26.5% n.sub.o [589 nm, 25 C.]: 1.4875 CC-3-V1 13.0% [1 kHz, 25 C.]: 2.6 CCH-35 12.0% .sub. [1 kHz, 25 C.]: 3.2 CLY-3-O2 11.5% .sub. [1 kHz, 25 C.]: 5.8 COB(S)-2-O4 10.0% .sub.1 [mPa .Math. s, 25 C.]: 74 PUS-3-2 2.0% K.sub.1 [pN, 25 C.]: 21.3 PGS-3-1 7.5% K.sub.3 [pN, 25 C.]: 16.3 CC-4-V1 5.5% .sub.1/K.sub.1: 3.5 100%

[0903] Polymerizable mixture P92 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N74.

Example 93

[0904] The nematic LC host mixture N75 is formulated as follows:

TABLE-US-00096 B(S)-2O-O4 3.0% Cl. p. [ C.]: 102.1 B(S)-2O-O5 4.0% n [589 nm, 25 C.]: 0.1166 B(S)-2O-O6 2.0% n.sub.e [589 nm, 25 C.]: 1.6059 CC-3-V 34.5% n.sub.o [589 nm, 25 C.]: 1.4893 CC-3-V1 5.0% [1 kHz, 25 C.]: 3.1 CCP-V-1 8.0% .sub. [1 kHz, 25 C.]: 3.4 CCY-3-O2 6.0% .sub. [1 kHz, 25 C.]: 6.4 CLY-2-O4 5.0% .sub.1 [mPa .Math. s, 25 C.]: 94 CLY-3-O2 6.5% K.sub.1 [pN, 25 C.]: 19.4 CLY-3-O3 5.0% K.sub.3 [pN, 25 C.]: 17.1 CLY-4-O2 4.0% V.sub.0 [V]: 2.50 COB(S)-2-O4 5.5% CPY-3-O2 2.5% LY-3-O2 1.0% PGS-2-1 4.0% PUS-3-2 4.0% 100%

[0905] Polymerizable mixture P93 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N75.

Example 94

[0906] The nematic LC host mixture N76 is formulated as follows:

TABLE-US-00097 B(S)-2O-O4 3.0% Cl. p. [ C.]: 79.9 B(S)-2O-O5 4.0% n [589 nm, 25 C.]: CC-3-V 44.0% n.sub.e [589 nm, 25 C.]: CC-3-V1 6.0% n.sub.o [589 nm, 25 C.]: CCY-3-O2 10.0% [1 kHz, 25 C.]: 3.0 CLY-3-O2 8.0% .sub. [1 kHz, 25 C.]: CLY-3-O3 6.0% .sub. [1 kHz, 25 C.]: CLY-2-O4 5.0% .sub.1 [mPa .Math. s, 25 C.]: CPY-3-O2 1.0% K.sub.1 [pN, 25 C.]: LY-3-O2 10.5% K.sub.3 [pN, 25 C.]: PGS-2-1 2.5% V.sub.0 [V]: 100%

[0907] Polymerizable mixture P94 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N76.

Example 95

[0908] The nematic LC host mixture N77 is formulated as follows:

TABLE-US-00098 B(S)-2O-O4 4.0% Cl. p. [ C.]: 94.0 B(S)-2O-O5 5.0% n [589 nm, 25 C.]: 0.1148 B(S)-2O-O6 3.0% n.sub.e [589 nm, 25 C.]: 1.6044 BCH-32 4.0% n.sub.o [589 nm, 25 C.]: 1.4896 CC-3-V 24.5% [1 kHz, 25 C.]: 2.3 CC-3-V1 13.0% .sub. [1 kHz, 25 C.]: 3.2 CCH-35 9.0% .sub. [1 kHz, 25 C.]: 5.5 CCP-3-1 10.0% .sub.1 [mPa .Math. s, 25 C.]: 80 COB(S)-2-O4 10.0% K.sub.1 [pN, 25 C.]: 19.6 CPY-3-O2 10.5% K.sub.3 [pN, 25 C.]: 17.8 PP-1-2V1 7.0% .sub.1/K.sub.1: 4.1 100%

[0909] Polymerizable mixture P95 is prepared by adding 0.3% of compound I1 to the nematic LC host mixture N77.

Example 96

[0910] The nematic LC host mixture N78 is formulated as follows:

TABLE-US-00099 B(S)-2O-O4 3.0% Cl. p. [ C.]: 112.4 B(S)-2O-O5 3.0% n [589 nm, 25 C.]: 0.1071 B(S)-2O-O6 3.0% n.sub.e [589 nm, 25 C.]: 1.5909 CC-3-V 23.0% n.sub.o [589 nm, 25 C.]: 1.4838 CC-3-V1 8.0% [1 kHz, 25 C.]: 4.1 CY-3-O2 6.0% .sub. [1 kHz, 25 C.]: 3.4 CCP-3-1 6.0% .sub. [1 kHz, 25 C.]: 7.5 CCP-3-5 5.0% .sub.1 [mPa .Math. s, 25 C.]: 136 CCY-3-O1 5.0% K.sub.1 [pN, 25 C.]: 20.2 CCY-3-O2 8.0% K.sub.3 [pN, 25 C.]: 20.8 CCY-4-O2 5.0% V.sub.0 [V]: 2.39 CLY-3-O2 8.0% CLY-3-O3 5.0% CLY-4-O2 4.0% CPY-3-O2 5.0% PGIY-2-O4 3.0% 100%

[0911] Polymerizable mixture P96 is prepared by adding 0.3% of compound I1 to the nematic LC host mixture N78.

Example 97

[0912] The nematic LC host mixture N79 is formulated as follows:

TABLE-US-00100 B(S)-2O-O4 4.0% Cl. p. [ C.]: 114.2 B(S)-2O-O5 5.0% n [589 nm, 25 C.]: 0.0991 B(S)-2O-O6 1.0% n.sub.e [589 nm, 25 C.]: 1.5820 CC-3-V 15.5% n.sub.o [589 nm, 25 C.]: 1.4829 CC-3-V1 12.0% [1 kHz, 25 C.]: 3.5 CCH-35 12.0% .sub.|| [1 kHz, 25 C.]: 3.2 CCP-3-1 7.7% .sub. [1 kHz, 25 C.]: 6.7 CCP-V2-1 3.2% .sub.1 [mPa .Math. s, 25 C.]: 133 CCY-3-O2 10.0% CLOY-3-O2 5.4% CLY-3-O2 9.0% CLY-3-O3 6.0% CLY-4-O2 5.0% CLY-5-O2 3.0% LY-3-O2 1.2% 100%

[0913] Polymerizable mixture P97 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N79.

Example 98

[0914] The nematic LC host mixture N80 is formulated as follows:

TABLE-US-00101 B(S)-2O-O4 4.0% Cl. p. [ C.]: 112.2 B(S)-2O-O5 5.0% n [589 nm, 25 C.]: 0.0985 B(S)-2O-O6 2.0% n.sub.e [589 nm, 25 C.]: 1.5800 CC-3-V 16.0% n.sub.o [589 nm, 25 C.]: 1.4815 CC-3-V1 12.0% [1 kHz, 25 C.]: 3.7 CCH-35 12.0% .sub.|| [1 kHz, 25 C.]: 3.2 CCP-3-1 9.0% .sub. [1 kHz, 25 C.]: 7.0 CCY-3-O2 10.0% .sub.1 [mPa .Math. s, 25 C.]: 142 CCY-5-O2 5.0% CLOY-3-O2 8.0% CLY-3-O2 11.0% CLY-5-O2 5.0% LY-3-O2 1.0% 100%

[0915] Polymerizable mixture P98 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N80.

Example 99

[0916] The nematic LC host mixture N81 is formulated as follows:

TABLE-US-00102 CC-3-V 25.9% Cl. p. [ C.]: 77.2 CC-3-V1 8.0% n [589 nm, 25 C.]: 0.0999 CCG-V-F-35 2.0% n.sub.e [589 nm, 25 C.]: 1.5798 CCY-3-O1 4.0% n.sub.o [589 nm, 25 C.]: 1.4799 CCY-3-O2 9.0% [1 kHz, 25 C.]: 3.5 CPY-2-O2 11.0% .sub.|| [1 kHz, 25 C.]: 3.8 CPY-3-O2 12.0% .sub. [1 kHz, 25 C.]: 7.2 CY-3-O2 15.0% .sub.1 [mPa .Math. s, 25 C.]: 86 CY-5-O2 9.5% PYP-2-3 3.6% 100%

[0917] Polymerizable mixture P99 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N81.

Example 100

[0918] The nematic LC host mixture N82 is formulated as follows:

TABLE-US-00103 B(S)-2O-O4 3.0% Cl. p. [ C.]: 101.2 B(S)-2O-O5 4.0% n [589 nm, 25 C.]: 0.1070 CC-3-V 41.0% n.sub.e [589 nm, 25 C.]: 1.5910 CC-3-V1 10.0% n.sub.o [589 nm, 25 C.]: 1.4840 CCY-3-O2 8.0% [1 kHz, 25 C.]: 4.1 CLY-3-O2 6.0% .sub.|| [1 kHz, 25 C.]: 3.4 CLY-3-O3 6.0% .sub. [1 kHz, 25 C.]: 7.3 CLY-2-O4 5.0% .sub.1 [mPa .Math. s, 25 C.]: 111.4 CPY-3-O2 2.5% K.sub.1 [pN, 25 C.]: 18.12 LY-3-O2 10.0% K.sub.3 [pN, 25 C.]: 18.29 PYP-2-3 2.5% V.sub.0 [V]: 2.29 100%

[0919] Polymerizable mixture P99 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N82.

Example 101

[0920] The nematic LC host mixture N83 is formulated as follows:

TABLE-US-00104 B(S)-2O-O4 4.0% Cl. p. [ C.]: 101.2 B(S)-2O-O5 4.5% n [589 nm, 25 C.]: 0.1070 BCH-32 5.0% n.sub.e [589 nm, 25 C.]: 1.5910 CC-3-V 25.0% n.sub.o [589 nm, 25 C.]: 1.4840 CC-3-V1 8.0% [1 kHz, 25 C.]: 4.1 CCH-35 4.5% .sub.|| [1 kHz, 25 C.]: 3.4 CCY-3-O1 4.0% .sub. [1 kHz, 25 C.]: 7.3 CCY-3-O2 8.0% .sub.1 [mPa .Math. s, 25 C.]: 111.4 CLY-2-O4 5.0% K.sub.1 [pN, 25 C.]: 18.1 CLY-3-O2 7.0% K.sub.3 [pN, 25 C.]: 18.3 CLY-3-O3 5.0% V.sub.0 [V]: 2.29 CPY-2-O2 5.0% CPY-3-O2 8.0% CY-3-O2 7.0% 100%

[0921] Polymerizable mixture P101 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N83.

Example 102

[0922] The nematic LC host mixture N84 is formulated as follows:

TABLE-US-00105 B(S)-2O-O4 3.0% Cl. p. [ C.]: 80.7 B(S)-2O-O5 4.0% n [589 nm, 25 C.]: 0.0916 CC-3-V 42.0% n.sub.e [589 nm, 25 C.]: 1.5720 CC-3-V1 10.0% n.sub.o [589 nm, 25 C.]: 1.4804 CCY-3-O2 4.0% [1 kHz, 25 C.]: 2.9 CLY-3-O2 8.0% .sub.|| [1 kHz, 25 C.]: 3.3 CLY-3-O3 6.0% .sub. [1 kHz, 25 C.]: 6.2 CPY-2-O4 5.0% .sub.1 [mPa .Math. s, 25 C.]: 63.7 CPY-3-O2 8.0% K.sub.1 [pN, 25 C.]: 14.9 LY-3-O2 10.0% K.sub.3 [pN, 25 C.]: 15.8 100% V.sub.0 [V]: 2.46

[0923] Polymerizable mixture P102 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N84.

Example 103

[0924] The nematic LC host mixture N85 is formulated as follows:

TABLE-US-00106 B(S)-2O-O4 3.0% Cl. p. [ C.]: 74.5 B(S)-2O-O5 4.0% n [589 nm, 25 C.]: 0.1181 CC-3-V 35.5% n.sub.e [589 nm, 25 C.]: 1.6052 CC-3-V1 5.0% n.sub.o [589 nm, 25 C.]: 1.4871 CLY-3-O2 7.0% [1 kHz, 25 C.]: 3.8 CLY-3-O3 5.0% .sub.|| [1 kHz, 25 C.]: 3.8 CPY-2-O2 8.0% .sub. [1 kHz, 25 C.]: 7.6 CPY-3-O2 10.0% .sub.1 [mPa .Math. s, 25 C.]: 74 PY-2-O2 8.0% K.sub.1 [pN, 25 C.]: 13.4 PY-3-O2 8.0% K.sub.3 [pN, 25 C.]: 13.6 PGIY-2-O4 5.0% V.sub.0 [V]: 2.0 PYP-2-3 1.5% 100%

[0925] Polymerizable mixture P103 is prepared by adding 0.3% of compound I1 to the nematic LC host mixture N85.

Example 104

[0926] The nematic LC host mixture N86 is formulated as follows:

TABLE-US-00107 B(S)-2O-O4 3.5% Cl. p. [ C.]: 104 B(S)-2O-O5 4.0% n [589 nm, 25 C.]: 0.1172 B(S)-2O-O6 2.0% n.sub.e [589 nm, 25 C.]: 1.6080 BCH-32 5.5% n.sub.o [589 nm, 25 C.]: 1.4908 CC-3-V 33.0% [1 kHz, 25 C.]: 3.0 CCP-3-1 8.0% .sub.|| [1 kHz, 25 C.]: 3.3 CCP-V-1 10.0% .sub. [1 kHz, 25 C.]: 6.4 CLY-2-O4 1.5% .sub.1 [mPa .Math. s, 25 C.]: 98 CLY-3-O2 6.0% K.sub.1 [pN, 25 C.]: 18.6 CLY-3-O3 5.0% K.sub.3 [pN, 25 C.]: 17.7 COB(S)-2-O4 5.0% V.sub.0 [V]: 2.55 CPY-3-O2 7.5% PGIY-2-O4 5.0% LY-3-O2 4.0% 100%

[0927] Polymerizable mixture P104 is prepared by adding 0.3% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N86.

Example 105

[0928] The nematic LC host mixture N87 is formulated as follows:

TABLE-US-00108 B(S)-2O-O4 4.0% Cl. p. [ C.]: 74.3 B(S)-2O-O5 2.0% n [589 nm, 25 C.]: 0.0941 CC-3-V 18.0% n.sub.e [589 nm, 25 C.]: 1.5731 CC-3-V1 8.0% n.sub.o [589 nm, 25 C.]: 1.4790 CCH-23 1.5% [1 kHz, 25 C.]: 4.4 CCP-3-1 6.5% .sub.|| [1 kHz, 25 C.]: 3.8 CCY-3-O1 8.0% .sub. [1 kHz, 25 C.]: 8.3 CCY-3-O2 12.0% .sub.1 [mPa .Math. s, 25 C.]: 92 CLY-3-O2 3.0% K.sub.1 [pN, 25 C.]: 13.3 CPY-3-O2 3.0% K.sub.3 [pN, 25 C.]: 15.4 CY-3-O2 15.5% V.sub.0 [V]: 1.98 CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100%

[0929] Polymerizable mixture P105 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to 99.485% of the nematic LC host mixture N87.

Example 106

[0930] The nematic LC host mixture N88 is formulated as follows:

TABLE-US-00109 B(S)-2O-O4 4.0% Cl. p. [ C.]: 75.0 B(S)-2O-O5 5.0% n [589 nm, 25 C.]: 0.0946 CC-3-V 22.5% n.sub.e [589 nm, 25 C.]: 1.5731 CC-3-V1 9.0% n.sub.o [589 nm, 25 C.]: 1.4785 CCY-3-O1 8.0% [1 kHz, 25 C.]: 4.9 CCY-3-O2 11.5% .sub.|| [1 kHz, 25 C.]: 3.9 CLY-3-O2 3.5% .sub. [1 kHz, 25 C.]: 8.8 CCY-5-O2 6.0% .sub.1 [mPa .Math. s, 25 C.]: 93 CY-3-O2 15.5% K.sub.1 [pN, 25 C.]: 13.5 CY-5-O2 12.0% K.sub.3 [pN, 25 C.]: 15.4 PYP-2-3 3.0% V.sub.0 [V]: 1.88 100%

[0931] Polymerizable mixture P106 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to 99.485% of the nematic LC host mixture N88.

Example 107

[0932] The nematic LC host mixture N89 is formulated as follows:

TABLE-US-00110 CC-3-V1 11.0% Cl. p. [ C.]: 74.4 CCH-301 1.5% n [589 nm, 25 C.]: 0.1003 CCH-34 9.0% n.sub.e [589 nm, 25 C.]: 1.5795 CCH-35 4.5% n.sub.o [589 nm, 25 C.]: 1.4794 CCP-3-1 5.5% [1 kHz, 25 C.]: 4.9 CCY-3-O1 8.0% .sub.|| [1 kHz, 25 C.]: 3.9 CCY-3-O2 12.5% .sub. [1 kHz, 25 C.]: 8.8 CCY-5-O2 3.5% .sub.1 [mPa .Math. s, 25 C.]: 102 CPY-3-O2 4.5% K.sub.1 [pN, 25 C.]: 13.2 CY-3-O2 16.0% K.sub.3 [pN, 25 C.]: 15.7 CY-3-O4 6.5% V.sub.0 [V]: 1.89 PY-2-O2 12.50% PYP-2-3 5.0% 100%

[0933] Polymerizable mixture P107 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to 99.685% of the nematic LC host mixture N89.

Example 108

[0934] The nematic LC host mixture N90 is formulated as follows:

TABLE-US-00111 CC-3-V1 10.0% Cl. p. [ C.]: 74.5 CCH-34 9.0% n [589 nm, 25 C.]: 0.1001 CCH-35 7.0% n.sub.e [589 nm, 25 C.]: 1.5807 CCP-3-1 6.0% n.sub.o [589 nm, 25 C.]: 1.4806 CCY-3-O1 6.5% [1 kHz, 25 C.]: 4.1 CCY-3-O2 12.0% .sub.|| [1 kHz, 25 C.]: 3.8 CPY-3-O2 11.0% .sub. [1 kHz, 25 C.]: 7.9 CY-3-O2 15.5% .sub.1 [mPa .Math. s, 25 C.]: 101 CY-3-O4 8.0% K.sub.1 [pN, 25 C.]: 13.7 PY-2-O2 9.5% K.sub.3 [pN, 25 C.]: 15.5 PY-3-O2 4.5% V.sub.0 [V]: 2.05 BCH-32 1.0% 100%

[0935] Polymerizable mixture P108 is prepared by adding 0.65% of compound I1, 0.1% of compound A, 0.15% of compound IC45, and 150 ppm of the stabilizer ST-3a-1 to 98.485% of the nematic LC host mixture N90.

Example 109

[0936] Polymerizable mixture P109 is prepared by adding 0.3% of compound I1, 0.1% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to 99.585% of the nematic LC host mixture N87.

Example 110

[0937] The nematic LC host mixture N91 is formulated as follows:

TABLE-US-00112 B(S)-2O-O5 5.0% Cl. p. [ C.]: 74.8 CC-3-V 17.0% n [589 nm, 25 C.]: 0.1001 CC-3-V1 9.0% n.sub.e [589 nm, 25 C.]: 1.5731 CCP-3-1 2.5% n.sub.o [589 nm, 25 C.]: 1.4790 CCY-3-O1 4.5% [1 kHz, 25 C.]: 4.4 CCY-3-O2 11.0% .sub.|| [1 kHz, 25 C.]: 3.8 CLY-3-O2 1.5% .sub. [1 kHz, 25 C.]: 8.3 CPY-2-O2 1.5% .sub.1 [mPa .Math. s, 25 C.]: 92 CPY-3-O2 14.0% K.sub.1 [pN, 25 C.]: 13.3 CY-3-O2 15.5% K.sub.3 [pN, 25 C.]: 15.4 CY-3-O4 5.5% V.sub.0 [V]: 1.98 CY-5-O2 12.0% PYP-2-3 1.0% 100%

[0938] Polymerizable mixture P110 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to 99.485% of the nematic LC host mixture N91.

Example 111

[0939] Polymerizable mixture P111 is prepared by adding 0.5% of compound I2 to the nematic LC host mixture N1.

##STR00923##

[0940] Electrooptical VA test cells with AF glass substrates containing the polymerizable mixture are exposed to UV light in a two-step process, the first step (UV1) for generating a tilt angle and the second step (UV2) for polymerizing any residual monomer that was not polymerized in the first step. In the UV1 step a voltage is applied (0.1V step and curing at DC 15V), while in the UV2 step no voltage is applied. As radiation source in both steps a fluorescent UV C-type lamp with a cut-off filter of 313 nm and an intensity of 0.5 mW/cm.sup.2 at RT. As a result a pretilt angle is generated in the mixture.

[0941] For VHR measurement the polymerizable LC mixture is filled in test cells and the monomer is polymerized under the conditions as described above. The VHR is measured before and after exposure to the UV-C type lamp used in the PSA process while applying a voltage of 1 V/0.6 Hz at 60 C. for 40 minutes.

[0942] Light stress usually causes the decrease of VHR in LC mixtures, therefore the smaller the absolute decrease of VHR value after stress, the better performance for display applications. The results are shown in Table 111.1.

TABLE-US-00113 TABLE 111.1 VHR Mixture P111 UV Lamp type C VHR (%) initial 96.3 VHR (%) after UV 96.2

[0943] It can be seen that the polymerizable mixture P111 containing monomer I2 surprisingly does not show a significant VHR drop after UV stress.

[0944] The residual content of unpolymerized monomer in the mixture is determined after UV photopolymerization. The smaller the residual monomer content after a given time interval, the faster the polymerization. For this purpose, the polymerizable mixture is photopolymerized by UV exposure for varying time intervals at RT using a fluorescent UV C-type lamp with an intensity of 0.5 mW/cm.sup.2. The UV intensity is checked by UV detector with 313 nm. After photopolymerization for a certain time interval the test cells are opened, and the mixture is dissolved and rinsed out of the test cell with methyl ethyl ketone and analyzed by Ultra Performance Liquid Chromatography (UPLC). The results are shown in Table 111.2.

TABLE-US-00114 TABLE 111.2 Residual RM Time/h Monomer conc. (%) 0 0.5000 0.33 0.2050 0.5 0.0061 0.67 0.0030 1 n.d. n.d. = not detectable

[0945] It can be seen that in the polymerizable mixture P111 containing monomer I2 the residual content of the monomer after polymerization is decreasing very fast, and after 1 h the residual RM is no longer detectable in mixture P111.

Example 112

[0946] Polymerizable mixture P112 is prepared by adding 0.65% of compound I2 to the nematic LC host mixture N1.

[0947] Tilt stability, i.e. the change of the tilt angle after repeated electric stress, is a criterion for evaluating the risk of image sticking. A low value for the change of the tilt angle indicates a good tilt stability and a low potential risk of image sticking. For determining the tilt stabillity the test cells containing mixtures P111 and P112 are prepared and the monomers polymerized with two UV steps as described above to generate a tilt angle. The test cells are then electrically stressed with a square wave of 40 V.sub.PP at 60 Hz for 168 h on backlight unit. After a relaxation time of 5-10 min the tilt angles are measured using the Otsuka T_RETS-10 system. The change of the tilt angle Atilt is determined according to equation (1).

[00002]$\begin{array}{cc}{\mathrm{tilt}}_{\mathrm{after}\mathrm{stress}}-{\mathrm{tilt}}_{\mathrm{after}\mathrm{tilt}\mathrm{generation}}=\mathrm{tilt}& \left(1\right)\end{array}$

[0948] The lower the value of Atilt, the higher is the tilt stability.

[0949] The results are shown in Table 112.1.

TABLE-US-00115 TABLE 112.1 Tilt Stability Mixture P111 P112 tilt () 0.25 0.17

[0950] It can be seen that the polymerizable mixtures P111 and P112 comprising monomer I2 show good tilt stability.

Example 113

[0951] Polymerizable mixture P113 is prepared by adding 0.5% of compound I2 to the nematic LC host mixture N2.

Example 114

[0952] Polymerizable mixture P114 is prepared by adding 0.65% of compound I2 to the nematic LC host mixture N2.

Example 115

[0953] Polymerizable mixture P115 is prepared by adding 0.5% of compound I2 and 0.05% of compound IC45 to the nematic LC host mixture N2.

Example 116

[0954] Polymerizable mixture P116 is prepared by adding 0.65% of compound I2 and 0.05% of compound IC45 to the nematic LC host mixture N2.

[0955] The residual R.sup.M content after UV photopolymerization is determined for the mixtures P113 to P116 as described in Example 111. The results are shown in Table 116.1.

TABLE-US-00116 TABLE 116.1 Residual RM Monomer conc. (%) Time/ P113 P114 P115 P116 h I2 I2 I2 IC45 I2 IC45 0 0.5000 0.6500 0.5000 0.0500 0.6500 0.0500 0.5 0.0158 0.0130 0.0173 n.d. 0.0166 n.d. 0.75 0.0050 0.0041 0.0054 0.0060 1 0.0017 0.0022 0.0002 0.0027 1.25 n.d. n.d. n.d. n.d. n.d. = not detectable

[0956] It can be seen that in all polymerizable mixtures P113 to P116 containing monomer I2 and in some cases also containing monomer IC45 the residual content of the monomers after polymerization is decreasing very fast, and after 1.25 h the residual RM is no longer detectable in the mixtures.

Example 117

[0957] Polymerizable mixture P117 is prepared by adding 0.5% of compound I2 to the nematic LC host mixture N3.

Example 118

[0958] Polymerizable mixture P118 is prepared by adding 0.5% of compound I2 and 0.05% of compound IC45 to the nematic LC host mixture N3.

Example 119

[0959] Polymerizable mixture P119 is prepared by adding 0.4% of compound I2, 0.2% of compound IBD6 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N1.

Example 120

[0960] Polymerizable mixture P120 is prepared by adding 0.4% of compound I2, 0.3% of compound IBD23 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N2.

Example 121

[0961] Polymerizable mixture P121 is prepared by adding 0.3% of compound I2, 0.2% of compound IA1, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N2.

Example 122

[0962] Polymerizable mixture P122 is prepared by adding 0.9% of the chiral dopant S-4011, 0.3% of compound I2, 0.2% of compound IA1, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N2.

Example 123

[0963] Polymerizable mixture P123 is prepared by adding 0.4% of compound I2, 0.3% of compound IBD4 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N2.

Example 124

[0964] Polymerizable mixture P124 is prepared by adding 0.3% of compound I2, 0.2% of compound IBD3 and 150 ppm of the stabilizer ST-3c-1 to the nematic LC host mixture N2.

Example 125

[0965] Polymerizable mixture P125 is prepared by adding 0.4% of compound I2, 0.2% of compound A1 and 0.5% of SA additive SA23 to the nematic LC host mixture N2.

Example 126

[0966] Polymerizable mixture P126 is prepared by adding 0.6% of compound I2, 0.5% of the SA additive SA32 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N72.

Example 127

[0967] Polymerizable mixture P127 is prepared by adding 0.3% of compound I2, 0.2% of compound IBD3 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N72.

Example 128

[0968] Polymerizable mixture P128 is prepared by adding 0.3% of compound I2 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N73.

Example 129

[0969] Polymerizable mixture P129 is prepared by adding 0.4% of compound I2, 0.3% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N73.

Example 130

[0970] Polymerizable mixture P130 is prepared by adding 0.35% of compound I2, 0.2% of compound IBT1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N73.

Example 131

[0971] Polymerizable mixture P131 is prepared by adding 0.3% of compound I2, 0.3% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N75.

Example 132

[0972] Polymerizable mixture P132 is prepared by adding 0.35% of compound I2, 0.2% of compound IBD6 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N75.

Example 133

[0973] Polymerizable mixture P133 is prepared by adding 0.5% of compound I2 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N87.

Example 134

[0974] Polymerizable mixture P134 is prepared by adding 0.35% of compound I2, 0.15% of compound IBD1 and 200 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N87.

Example 135

[0975] Polymerizable mixture P135 is prepared by adding 0.4% of compound I2 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N88.

Example 136

[0976] Polymerizable mixture P136 is prepared by adding 0.3% of compound I2, 0.2% of compound IBD4 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N88.

Example 137

[0977] Polymerizable mixture P137 is prepared by adding 0.4% of compound I2, 0.1% of compound IBD1 and 100 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N88.

Example 138

[0978] Polymerizable mixture P138 is prepared by adding 0.4% of compound I2, 0.2% of compound A1 and 0.6% of SA additive SA23 to the nematic LC host mixture N88.

Example 139

[0979] Polymerizable mixture P139 is prepared by adding 0.3% of compound I2 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N89.

Example 140

[0980] Polymerizable mixture P140 is prepared by adding 0.35% of compound I2, 0.15% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N89.

Example 141

[0981] Polymerizable mixture P141 is prepared by adding 0.3% of compound I2, 0.2% of compound IBD6 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N89.

Example 142

[0982] Polymerizable mixture P142 is prepared by adding 0.4% of compound I2, 0.2% of compound A1 and 0.5% of SA additive SA32 to the nematic LC host mixture N89.

Example 143

[0983] Polymerizable mixture P143 is prepared by adding 0.4% of compound I2 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N90.

Example 144

[0984] Polymerizable mixture P144 is prepared by adding 0.3% of compound I2, 0.1% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N90.

Example 145

[0985] Polymerizable mixture P145 is prepared by adding 0.3% of compound I2 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N91.

Example 146

[0986] Polymerizable mixture P146 is prepared by adding 0.3% of compound I2, 0.1% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N91.

Example 147

[0987] Polymerizable mixture P147 is prepared by adding 0.3% of compound I2, 0.2% of compound IBD3 and 100 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N91.

Example 148

[0988] Polymerizable mixture P148 is prepared by adding 0.3% of compound I2, 0.1% of compound A, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N87.

Example 149

[0989] Polymerizable mixture P149 is prepared by adding 0.9% of the chiral dopant S-4011, 0.3% of compound I2, 0.2% of compound A, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N87.

Example 150

[0990] Polymerizable mixture P150 is prepared by adding 0.3% of compound I2, 0.2% of compound IBD23 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N87.

Example 151

[0991] Polymerizable mixture P151 is prepared by adding 0.3% of compound I2, 0.2% of compound IBT35 and 200 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N87.

Example 152

[0992] The nematic LC host mixture N92 is formulated as follows:

TABLE-US-00117 B(S)-2O-O4 4.0% Cl. p. [ C.]: 74.3 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0960 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.5 CCH-23 1.5% [1 kHz, 20 C.]: 4.7 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 120 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 13.9 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.3 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[0993] Polymerizable mixture P152 is prepared by adding 0.5% of compound I1 and 150 ppm of the stabilizer ST-3a-1 to 99.685% of the nematic LC host mixture N92.

Example 153

[0994] The nematic LC host mixture N93 is formulated as follows:

TABLE-US-00118 B(S)-2O-O4 4.0% Cl. p. [ C.]: 74.0 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.1006 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.6 CCH-23 1.5% [1 kHz, 20 C.]: 4.8 CPP-3-2V1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 130 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 14.1 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.5 CAIY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[0995] Polymerizable mixture P153 is prepared by adding 0.5% of compound I1 and 100 ppm of the stabilizer ST-3b-1 to 99.685% of the nematic LC host mixture N93.

Example 154

[0996] The nematic LC host mixture N94 is formulated as follows:

TABLE-US-00119 B(S)-2O-O4 4.0% Cl. p. [ C.]: 75 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0968 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-2V1 8.0% .sub. [1 kHz, 20 C.]: 8.5 CC-1-2V1 1.5% [1 kHz, 20 C.]: 4.7 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 127 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 14.6 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.8 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[0997] Polymerizable mixture P154 is prepared by adding 0.5% of compound I2 and 150 ppm of the stabilizer ST-3a-1 to 99.685% of the nematic LC host mixture N94.

Example 155

[0998] The nematic LC host mixture N95 is formulated as follows:

TABLE-US-00120 B(S)-2O-O4 4.0% Cl. p. [ C.]: 75.5 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0936 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-2-V1 8.0% .sub. [1 kHz, 20 C.]: 8.5 CCH-23 1.5% [1 kHz, 20 C.]: 4.7 CCC-3-V 6.5% .sub.1 [mPa .Math. s, 20 C.]: 113 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.] 13.4 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.] 15.5 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[0999] Polymerizable mixture P155 is prepared by adding 0.3% of compound I1, 0.2% of compound IBD6 and 150 ppm of the stabilizer ST-3a-1 to 99.685% of the nematic LC host mixture N95.

Example 156

[1000] The nematic LC host mixture N96 is formulated as follows:

TABLE-US-00121 B(S)-2O-O4 4.0% Cl. p. [ C.]: 72 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0970 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 9.2 CCH-23 1.5% [1 kHz, 20 C.]: 5.4 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 124 CCOY-3-O2 8.0% K.sub.1 [pN, 20 C.]: 14.6 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 17.6 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% COY-3-O2 8.5% CEY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[1001] Polymerizable mixture P156 is prepared by adding 0.4% of compound I2, 0.2% of compound IA1 and 0.5% of SA additive SA23 to the nematic LC host mixture N2.

Example 157

[1002] The nematic LC host mixture N97 is formulated as follows:

TABLE-US-00122 B(S)-2O-O4 4.0% Cl. p. [ C.]: 73 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0971 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.4 CCH-23 1.5% [1 kHz, 20 C.]: 4.6 CCP-1-2V1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 123 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 14.1 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.3 CLY-(c5)-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[1003] Polymerizable mixture P157 is prepared by adding 0.35% of compound I2, 0.15% of compound IBD1 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N97.

Example 158

[1004] The nematic LC host mixture N98 is formulated as follows:

TABLE-US-00123 B(S)-2O-O4 4.0% Cl. p. [ C.]: 76 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.1005 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-V-V1 8.0% .sub. [1 kHz, 20 C.]: 8.5 CLP-3-3 1.5% [1 kHz, 20 C.]: 4.7 CLP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 126 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 13.8 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.4 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[1005] Polymerizable mixture P158 is prepared by adding 0.5% of compound I1 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N98.

Example 159

[1006] The nematic LC host mixture N99 is formulated as follows:

TABLE-US-00124 B(S)-2O-O4 4.0% Cl. p. [ C.]: 76 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0980 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.3 CCH-23 1.5% [1 kHz, 20 C.]: 4.5 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 125 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 15.2 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.4 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-(c5)-O4 8.5% CY-5-O2 7.0% PUS-3-2 3.0% 100.0%

[1007] Polymerizable mixture P159 is prepared by adding 0.9% of the chiral dopant S-4011, 0.3% of compound I1, 0.2% of compound A, 0.05% of compound IC45 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N99.

Example 160

[1008] The nematic LC host mixture N100 is formulated as follows:

TABLE-US-00125 B(S)-2O-O4 4.0% Cl. p. [ C.]: 74 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0995 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.4 LP-1-2V1 1.5% [1 kHz, 20 C.]: 4.6 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 120 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 14.5 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.2 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PGS-2-1 3.0% 100.0%

[1009] Polymerizable mixture P160 is prepared by adding 0.2% of compound I2, 0.3% of compound IBD4 and 150 ppm of the stabilizer ST-3b-1 to the nematic LC host mixture N100.

Example 161

[1010] The nematic LC host mixture N101 is formulated as follows:

TABLE-US-00126 B(S)-2O-O4 4.0% Cl. p. [ C.]: 68.5 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.1025 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 PP-1-2V1 4.0% .sub. [1 kHz, 20 C.]: 8.4 PP-1-3 4.0% PP-1-5 1.5% [1 kHz, 20 C.]: 4.6 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 117 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 13.4 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 15.5 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[1011] Polymerizable mixture P161 is prepared by adding 0.45% of compound I1, 0.15% of compound A and 0.05% of compound IC45 to the nematic host mixture N101.

Example 162

[1012] The nematic LC host mixture N102 is formulated as follows:

TABLE-US-00127 B(S)-2O-O4 4.0% Cl. p. [ C.]: 71.5 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0970 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.6 CCH-25 1.5% [1 kHz, 20 C.]: 4.8 CLG-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 128 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 13.9 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 15.7 CLOY-(c5)-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-3 3.0% 100.0%

[1013] Polymerizable mixture P162 is prepared by adding 0.5% of compound I2 and 100 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N102.

Example 163

[1014] The nematic LC host mixture N103 is formulated as follows:

TABLE-US-00128 B(S)-2O-O4 4.0% Cl. p. [ C.]: 74 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0958 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.5 CCH-23 1.5% [1 kHz, 20 C.]: 4.7 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 123 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 13.8 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.2 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-(c5) 3.0% 100.0%

[1015] Polymerizable mixture P163 is prepared by adding 0.3% of compound I1, 0.2% of compound IBD3 and 200 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N103.

Example 164

[1016] The nematic LC host mixture N104 is formulated as follows:

TABLE-US-00129 B(S)-2O-O4 4.0% Cl. p. [ C.]: 74 B(S)-2O-O5 2.0% n [589 nm, 20 C.]: 0.0956 CC-3-V 18.0% .sub. [1 kHz, 20 C.]: 3.8 CC-3-V1 8.0% .sub. [1 kHz, 20 C.]: 8.5 CCH-23 1.5% [1 kHz, 20 C.]: 4.7 CCP-3-1 6.5% .sub.1 [mPa .Math. s, 20 C.]: 123 CCY-3-O1 8.0% K.sub.1 [pN, 20 C.]: 13.7 CCY-3-O2 12.0% K.sub.3 [pN, 20 C.]: 16.1 CLY-3-O2 3.0% CPY-3-O2 3.0% CY-3-O2 15.5% CY-3-O4 8.5% CY-5-O2 7.0% PYP-2-1(c3) 3.0% 100.0%

[1017] Polymerizable mixture P164 is prepared by adding 0.65% of compound I2 and 150 ppm of the stabilizer ST-3a-1 to the nematic LC host mixture N104.