LIQUID-CRYSTALLINE MEDIUM

Abstract

Liquid-crystalline (LC) media having positive dielectric anisotropy and liquid-crystal displays (LCDs) containing these media, especially displays addressed by an active matrix and in particular to LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA type.

Claims

1. A liquid-crystalline medium, wherein the medium has positive dielectric anisotropy and comprises one or more compounds of formula I ##STR00431## in which the individual radicals, on each occurrence identically or differently, and each, independently of one another, have the following meaning: R.sup.0 is a straight chain, branched or cyclic alkyl or alkoxy radical that is unsubstituted or halogenated and has 1 to 15 C atoms, where one or more CH.sub.2 groups in these radicals may each be replaced, independently of one another, by ##STR00432## —C≡C—, —CF.sub.2O—, —OCF.sub.2—, —CH═CH—, —O—, CO—O— or —O—CO— in such a way that 0 atoms are not linked directly to one another, Y.sup.1, Y.sup.2 are, independently, H, F or Cl, with at least one of Y.sup.1 and Y.sup.2 being different from H, and Y5 is H or CH.sub.3.

2. The liquid-crystalline medium according to claim 1, which comprises one or more compounds of formula I selected from the group consisting of the following subformulae ##STR00433## ##STR00434## wherein Y.sup.5 is H or CH.sub.3.

3. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from the following formulae ##STR00435## wherein “alkyl” is C.sub.1-6-alkyl.

4. The liquid-crystalline medium according to claim 3, which comprises one or more compounds selected from the following subformulae ##STR00436##

5. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from the group consisting of the following formulae ##STR00437## in which the individual radicals, on each occurrence identically or differently, and each, independently of one another, have the following meaning: ##STR00438## ##STR00439## R.sup.1, R.sup.2 independently have one of the meanings given for R.sup.0 in claim 1, R.sup.3 has one of the meanings given for R.sup.1 or X.sup.1, X.sup.1 is fluorinated alkyl or alkoxy with 1, 2 or 3 C atoms, Z.sup.x, Z.sup.y independently are —CH.sub.2CH.sub.2—, —CH═CH—, —CF.sub.2O—, —OCF.sub.2—, —CH.sub.2O—, —OCH.sub.2—, —CO—O—, —O—CO—, —C.sub.2F.sub.4—, —CF═CF—, —CH═CH—CH.sub.2O—, or a single bond, Z.sup.z is CH.sub.2O or a single bond, Y.sup.1 is O or S, L.sup.1-4 is H, F or Cl, x, y independently are 0, 1 or 2, with x+y≤3, and z is 0 or 1, wherein in formula B the dibenzofuran or dibenzothiophene group may also be further substituted by a methyl or methoxy group, and wherein the compounds of formula Y contain at least one substituent L.sup.1-4 that is F or Cl.

6. The liquid-crystalline medium according to claim 5, which comprises one or more compounds selected from the group consisting of the following subformulae ##STR00440## wherein L.sup.1, L.sup.2, R.sup.1, R.sup.2, Z.sup.x, Z.sup.y, x and y have the meanings given in claim 5, a denotes 1 or 2, b denotes 0 or 1, ##STR00441## denotes ##STR00442## and L.sup.3, L.sup.4 independently denote F or Cl.

7. The liquid-crystalline medium according to claim 5, which comprises one or more compounds selected from the group consisting of the following subformulae ##STR00443## wherein L.sup.1, L.sup.2, R.sup.1 and R.sup.2 have the meanings given in claim 5, and ##STR00444## each, independently of one another, denote ##STR00445## in which L.sup.5 denotes F or Cl and L.sup.6 denotes F, Cl, OCF.sub.3, CF.sub.3, CH.sub.3, CH.sub.2F or CHF.sub.2.

8. The liquid-crystalline medium according to claim 5, which comprises one or more compounds selected from the group consisting of the following subformulae ##STR00446## wherein L.sup.1, L.sup.2, R.sup.1, R.sup.3 and X.sup.1 have the meanings given in claim 5.

9. The liquid-crystalline medium according to claim 5, which comprises one or more compounds selected from the group consisting of the following subformulae ##STR00447## wherein R.sup.1 and X.sup.1 have the meanings given in claim 5, “alkyl” denotes a straight-chain alkyl radical having 1-6 C atoms, and (O) denotes an oxygen atom or a single bond.

10. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from the group consisting of the following formulae ##STR00448## wherein the individual radicals, independently of each other and on each occurrence identically or differently, have the following meanings ##STR00449## R.sup.0 has one of the meanings given in claim 1, X.sup.0 is F, Cl, CN, SF.sub.5, SCN, NCS, a halogenated alkyl radical, a halogenated alkenyl radical, a halogenated alkoxy radical or a halogenated alkenyloxy radical having 1 to 6 C atoms, Y.sup.1-6 independently are H or F, and Y.sup.0 H or CH.sub.3.

11. The liquid-crystalline medium according to claim 1, which additionally comprises one or more compounds selected from the group consisting of the following formulae ##STR00450## in which R.sup.0, Y.sup.1, Y.sup.2 and Y.sup.5 have the meanings given in claim 1, Y.sup.3 and Y.sup.4 have independently of each other one of the meanings given for Y.sup.1, X.sup.0 is F, Cl, CN, SF.sub.5, SCN, NCS, a halogenated alkyl radical, a halogenated alkenyl radical, a halogenated alkoxy radical or a halogenated alkenyloxy radical having 1 to 6 C atoms, Z.sup.0 denotes —C.sub.2H.sub.4—, —(CH.sub.2).sub.4—, —CH═CH—, —CF═CF—, —C.sub.2F.sub.4—, —CH.sub.2CF.sub.2—, —CF.sub.2CH.sub.2—, —CH.sub.2O—, —OCH.sub.2—, —COO— or —OCF.sub.2—, in formulae V and VI also a single bond, in formulae V and VIII also —CF.sub.2O—, r denotes 0 or 1, and s denotes 0 or 1.

12. The liquid-crystalline medium according to claim 11, which comprises one or more compounds selected from group consisting of the following formulae ##STR00451##

13. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from group consisting of the following formulae ##STR00452## in which X.sup.0 is F, Cl, CN, SF.sub.5, SCN, NCS, a halogenated alkyl radical, a halogenated alkenyl radical, a halogenated alkoxy radical or a halogenated alkenyloxy radical having 1 to 6 C atoms, L denotes H or F, “alkyl” denotes C.sub.1-6-alkyl, R′ denotes methyl, C.sub.4-6-alkyl or C.sub.1-6-alkoxy, wherein, if R′ different from C.sub.1-6 alkoxy, then “alkyl” in formula IX is not ethyl or propyl, R″ denotes C.sub.1-6-alkyl, C.sub.1-6-alkoxy or C.sub.2-6-alkenyl, and “alkenyl” and “alkenyl*” each, independently of one another, denote C.sub.2-6-alkenyl, and in formula X “alkenyl” denotes C.sub.3-6 alkenyl.

14. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds of the formula XIV ##STR00453## in which R.sup.1 and R.sup.2 each, independently of one another, denote n-alkyl, alkoxy, oxaalkyl, fluoroalkyl or alkenyl, each having 1 to 6 C atoms.

15. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds of the formula XVI ##STR00454## in which L denotes H or F, and R.sup.1, R.sup.2 are, independently, a straight chain, branched or cyclic alkyl or alkoxy radical that is unsubstituted or halogenated and has 1 to 15 C atoms, where one or more CH.sub.2 groups in these radicals may each be replaced, independently of one another, by ##STR00455## —C≡C—, —CF.sub.2O—, —OCF.sub.2—, —CH═CH—, —O—, —CO—O— or —O—CO— in such a way that 0 atoms are not linked directly to one another.

16. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from the group consisting of the following formulae ##STR00456## in which denotes H or F, and R.sup.1, R.sup.2 are, independently, a straight chain, branched or cyclic alkyl or alkoxy radical that is unsubstituted or halogenated and has 1 to 15 C atoms, where one or more CH.sub.2 groups in these radicals may each be replaced, independently of one another, by ##STR00457## —C≡C—, —CF.sub.2O—, —OCF.sub.2—, —CH═CH—, —O—, —CO—O— or —O—CO— in such a way that O atoms are not linked directly to one another.

17. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from the group consisting of the following formulae ##STR00458## in which R.sup.0 is a straight chain, branched or cyclic alkyl or alkoxy radical that is unsubstituted or halogenated and has 1 to 15 C atoms, where one or more CH.sub.2 groups in these radicals may each be replaced, independently of one another, by ##STR00459## —C≡C—, —CF.sub.2O—, —OCF.sub.2——CH═CH—, —O—, —CO—O— or —O—CO— in such a way that O atoms are not linked directly to one another, X.sup.0 is F, Cl, CN, SF.sub.5, SCN, NCS, a halogenated alkyl radical, a halogenated alkenyl radical, a halogenated alkoxy radical or a halogenated alkenyloxy radical having 1 to 6 C atoms, Y.sup.1-5 independently are H or F.

18. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from the group consisting of the following formulae ##STR00460## in which R.sup.1 is a straight chain, branched or cyclic alkyl or alkoxy radical that is unsubstituted or halogenated and has 1 to 15 C atoms, where one or more CH.sub.2 groups in these radicals may each be replaced, independently of one another, by ##STR00461## —C≡C—, —CF.sub.2O—, —OCF.sub.2—, —CH≡CH—, —O—, —CO—O— or —O—CO— in such a way that O atoms are not linked directly to one another, and X.sup.0 is F, Cl, CN, SF.sub.5, SCN, NCS, a halogenated alkyl radical, a halogenated alkenyl radical, a halogenated alkoxy radical or a halogenated alkenyloxy radical having 1 to 6 C atoms.

19. The liquid-crystalline medium according to claim 1, which further comprises one or more compounds selected from the group consisting of the following formulae ##STR00462## in which\ L denotes H or F, and R.sup.1, R.sup.2 are, independently, a straight chain, branched or cyclic alkyl or alkoxy radical that is unsubstituted or halogenated and has 1 to 15 C atoms, where one or more CH.sub.2 groups in these radicals may each be replaced, independently of one another, by ##STR00463## —C≡C—, —CF.sub.2O—, —OCF.sub.2—, —CH═CH—, —O—, —CO—O— or —O—CO— in such a way that O atoms are not linked directly to one another.

20. The liquid-crystalline medium according to claim 1, which additionally comprises one or more polymerizable compounds.

21. The liquid-crystalline medium according to claim 20, wherein the polymerizable compounds are selected from formula M
R.sup.a—B.sup.1—(Z.sup.b—B.sup.2).sub.m—R.sup.b  M in which the individual radicals, on each occurrence identically or differently, and each, independently of one another, have the following meaning: R.sup.a and R.sup.b independently are P, P-Sp-, H, F, Cl, Br, I, —CN, —NO.sub.2, —NCO, —NCS, —OCN, —SCN, SF.sub.5 or straight-chain or branched alkyl having 1 to 25 C atoms, in which, in addition, one or more non-adjacent CH.sub.2 groups may each be replaced, independently of one another, by —C(R.sup.0)═C(R.sup.00)—, —C≡C—, —N(R.sup.00)—, —O—, —S—, —CO—, —CO—O—, —O—CO—, —O—CO—O— in such a way that O and/or S atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by F, C, 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 and/or R.sup.b may also denote a radical which is spiro-linked to this saturated C atom, wherein at least one of the radicals R.sup.a and R.sup.b denotes or contains a group P or P-Sp-, P is a polymerisable group, Sp is a spacer group or a single bond, B.sup.1 and B.sup.2 an aromatic, heteroaromatic, alicyclic or heterocyclic group, having 4 to 25 ring atoms, which may also contain fused rings, and which is unsubstituted, or mono- or polysubstituted by L, Z.sup.b is —O—, —S—, —CO—, —CO—O—, —OCO—, —O—CO—O—, —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—, —CH═CH—, —CF═CF—, —C≡C—, —CH═CH—COO—, —OCO—CH═CH—, CR.sup.0R.sup.00 or a single bond, R.sup.0 and R.sup.00 each, independently of one another, 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 is 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, or straight-chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy having 1 to 25 C atoms, in which, in addition, one or more H atoms may be replaced by F, C, P or P-Sp-, Y.sup.1 denotes halogen, R.sup.x denotes P, P-Sp-, H, halogen, straight-chain, branched or cyclic alkyl having 1 to 25 C atoms, in which, in addition, one or more non-adjacent CH.sub.2 groups may be replaced by —O—, —S—, —CO—, —CO—O—, —O—CO—, —O—CO—O— in such a way that O and/or S atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by F, Cl, P or 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.

22. The liquid-crystalline medium according to claim 21, wherein the polymerizable compounds are polymerized.

23. Process for the preparation of a liquid-crystalline medium according to claim 1, comprising mixing one or more compounds of the formula I with one or more other liquid crystalline compounds.

24. An electro-optical device which comprises a liquid-crystalline medium according to claim 1.

25. The electro-optical device according to claim 24, which is a device selected from: shutter glasses, LC windows, devices for 3D applications, and LC displays operating in one of the following modes TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-HB-FFS, PS-XB-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA.

26. An electro-optical liquid-crystal display containing a liquid-crystalline medium according to claim 1.

27. Electro-optical liquid-crystal display according to claim 26, which is a TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS, XB-FFS, PS-HB-FFS, PS-XB-FFS, SA-HB-FFS, SA-XB-FS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA display.

28. Electro-optical liquid-crystal display according to claim 27, which is an FFS, HB-FFS, XB-FFS, PS-HB-FFS, PS-XB-FFS, IPS or PS-IPS display.

Description

COMPARISON EXAMPLE 1

[0384] The following liquid-crystalline medium is formulated:

TABLE-US-00008 PGUQU-3-F 2.0% cl.p. 81.0 BCH-3F.F.F 14.5% Δn 0.0997 PPGU-3-F 0.5% n.sub.e 1.5887 CC-3-V 48.0% n.sub.o 1.4890 CC-4-V 5.5% Δε 2.4 CCP-3-1 3.0% ε.sub.∥ 5.0 CCP-V-1 12.5% ε.sub.⊥ 2.6 CBC-33F 3.0% γ.sub.1 53 PGP-2-3 8.0% K.sub.1 13.1 PGP-2-4 3.0% K.sub.3 14.2 γ.sub.1/K.sub.1 4.0 mPas/pN LTS bulk 1000

[0385] The medium does not contain a compound of formula I.

COMPARISON EXAMPLE 2

[0386] The following liquid-crystalline medium is formulated:

TABLE-US-00009 CBC-33F 3.0% cl.p. 78.5 PPGU-3-F 0.5% Δn 0.1000 BCH-32 4.5% n.sub.e 1.5881 BCH-3F.F.F 12.0% n.sub.o 1.4881 CCP-3-1 3.0% Δε 2.5 CCP-V-1 6.5% ε.sub.∥ 5.1 PGP-2-3 3.0% ε.sub.⊥ 2.6 PGP-2-4 5.0% γ.sub.1 51 PGU-3-F 5.5% K.sub.1 13.5 CC-3-V 49.0% K.sub.3 14.1 CC-3-V1 8.0% γ.sub.1/K.sub.1 3.8 mPas/pN LTS 1000

[0387] The medium does not contain a compound of formula I.

EXAMPLE 1

[0388] The following liquid-crystalline medium is formulated:

TABLE-US-00010 CBC-33F 3.0% cl.p. 79.5 PPGU-3-F 0.5% Δn 0.0980 BCH-32 6.5% n.sub.e 1.5852 PGP-2-3 6.0% n.sub.o 1.4872 PGP-2-4 6.0% Δε 2.4 CC-3-V 49.0% ε.sub.∥ 5.1 CC-3-V1 8.0% ε.sub.⊥ 2.7 CLU-3-F 20.0% γ.sub.1 51 BCH-5F.F.F 1.0% K.sub.1 14.5 K.sub.3 14.0 γ.sub.1/K.sub.1 3.5 mPas/pN LTS 1000

[0389] The medium contains compound CLU-3-F of formula I and shows a lower value of γ.sub.1/K.sub.1 than the medium of Comparison Example 1 or 2.

EXAMPLE 2

[0390] The following liquid-crystalline medium is formulated:

TABLE-US-00011 CDUQU-3-F 8.0% cl.p. 103.5 CPGP-5-2 2.5% Δn 0.1114 DGUQU-4-F 6.0% n.sub.e 1.5990 DPGU-4-F 4.0% n.sub.o 1.4876 PGUQU-3-F 2.0% Δε 6.7 CCP-V-1 11.0% ε.sub.∥ 9.7 CCP-V2-1 9.0% ε.sub.⊥ 3.0 PGP-2-2V 6.0% γ.sub.1 95 CC-3-2V1 8.0% K.sub.1 18.5 CC-3-V 23.5% K.sub.3 19.4 CC-3-V1 10.0% LTS 1000 PP-1-2V1 5.0% CLU-3-F 5.0%

EXAMPLE 3

[0391] The following liquid-crystalline medium is formulated:

TABLE-US-00012 APUQU-3-F 3.0% cl.p. 81.0 CBC-33F 3.0% Δn 0.0938 PGUQU-3-F 5.5% n.sub.e 1.5778 PPGU-3-F 0.5% n.sub.o 1.4840 BCH-32 6.5% Δε 2.7 CCP-3-1 5.0% ε.sub.∥ 5.3 PGP-2-3 5.5% ε.sub.⊥ 2.6 PGP-2-4 3.0% γ.sub.1 55 CC-3-V 48.5% K.sub.1 14.8 CCH-23 5.0% K.sub.3 14.3 CCH-34 4.5% CCH-35 5.0% CLU-3-F 5.0%

EXAMPLE 4

[0392] The following liquid-crystalline medium is formulated:

TABLE-US-00013 CBC-33F 3.0% cl.p. 80.5 PPGU-3-F 0.5% Δn 0.0992 BCH-32 4.5% n.sub.e 1.5883 BCH-3F.F.F 12.0% n.sub.o 1.4891 CCP-3-1 3.0% Δε 2.5 CCP-V-1 6.5% ε.sub.∥ 5.2 PGP-2-3 3.0% ε.sub.⊥ 2.6 PGP-2-4 6.0% γ.sub.1 54 PGU-3-F 2.5% K.sub.1 13.7 CC-3-V 49.0% K.sub.3 14.2 CC-3-V1 5.0% LTS 1000 CLU-3-F 5.0%

EXAMPLE 5

[0393] The following liquid-crystalline medium is formulated:

TABLE-US-00014 CBC-33F 3.0% cl.p. 80.0 PPGU-3-F 0.5% Δn 0.1006 BCH-32 5.5% n.sub.e 1.5900 CCP-3-1 3.0% n.sub.o 1.4894 CCP-V-1 4.5% Δε 2.5 PGP-2-3 4.0% ε.sub.∥ 5.2 PGP-2-4 8.0% ε.sub.⊥ 2.7 PGU-3-F 4.5% γ.sub.1 55 CC-3-V 49.0% K.sub.1 13.7 CC-3-V1 3.0% K.sub.3 13.8 CLU-3-F 7.0% CCP-2F.F.F 8.0%

EXAMPLE 6

[0394] The following liquid-crystalline medium is formulated:

TABLE-US-00015 CBC-33F 3.0% cl.p. 80.0 PPGU-3-F 0.5% Δn 0.1000 BCH-32 5.5% n.sub.e 1.5877 CCP-3-1 3.0% n.sub.o 1.4877 CCP-V-1 4.5% Δε 2.5 PGP-2-3 4.0% ε.sub.∥ 5.2 PGP-2-4 5.0% ε.sub.⊥ 2.6 PGU-3-F 4.0% γ.sub.1 54 CC-3-V 49.0% K.sub.1 13.9 CC-3-V1 6.5% K.sub.3 14.3 CLU-3-F 7.0% LTS 1000 BCH-3F.F.F 8.0%

EXAMPLE 7

[0395] The following liquid-crystalline medium is formulated:

TABLE-US-00016 CBC-33F 3.0% cl.p. 79.0 PPGU-3-F 0.5% Δn 0.1007 BCH-32 5.5% n.sub.e 1.5887 CCP-3-1 3.0% n.sub.o 1.4880 CCP-V-1 3.0% Δε 2.6 PGP-2-3 4.0% ε.sub.∥ 5.2 PGP-2-4 5.0% ε.sub.⊥ 2.6 PGU-3-F 6.0% γ.sub.1 55 CC-3-V 49.0% K.sub.1 14.0 CC-3-V1 8.0% K.sub.3 14.2 CLU-3-F 7.0% LTS 1000 BCH-5F.F.F 6.0%

EXAMPLE 8

[0396] The following liquid-crystalline medium is formulated:

TABLE-US-00017 CBC-33F 3.0% cl.p. 80.0 PPGU-3-F 0.5% Δn 0.0992 BCH-32 5.5% n.sub.e 1.5867 CCP-3-1 3.0% n.sub.o 1.4875 CCP-V-1 3.0% Δε 2.5 PGP-2-3 4.0% ε.sub.∥ 5.2 PGP-2-4 5.0% ε.sub.⊥ 2.6 PGU-3-F 5.0% γ.sub.1 54 CC-3-V 49.0% K.sub.1 14.2 CC-3-V1 8.0% K.sub.3 14.3 CLU-3-F 10.0% LTS 1000 BCH-5F.F.F 4.0%

COMPARISON EXAMPLE 3

[0397] The following liquid-crystalline medium is formulated:

TABLE-US-00018 CC-3-V 48.5% cl.p. 79.5 CC-3-V1 3.0% Δn 0.1005 CCP-V-1 12.0% n.sub.e 1.5865 PGP-2-2V 7.5% n.sub.o 1.4865 APUQU-3-F 6.0% Δε 2.7 PGUQU-4-F 5.0% ε.sub.∥ 6.2 DPGU-4-F 2.0% ε.sub.⊥ 3.5 PPGU-3-F 0.5% γ.sub.1 61 CY-5-O2 6.0% K.sub.1 13.1 CCY-5-O2 3.5% K.sub.3 15.1 CPY-3-O2 3.5% LTS 216 PP-1-2V1 2.5% γ.sub.1/K.sub.1 4.7 mPas/pN

[0398] The medium does not contain a compound of formula I.

EXAMPLE 9

[0399] The following liquid-crystalline medium is formulated:

TABLE-US-00019 CC-3-V 48.5% cl.p. 78.5 CC-3-V1 1.0% Δn 0.1000 CCP-V-1 9.0% n.sub.e 1.5865 PGP-2-2V 8.0% n.sub.o 1.4860 APUQU-3-F 1.0% Δε 2.6 PGUQU-4-F 5.0% ε.sub.∥ 6.0 DPGU-4-F 1.5% ε.sub.⊥ 3.5 PPGU-3-F 0.5% γ.sub.1 61 CY-5-O2 5.0% K.sub.1 13.3 CCY-5-O2 4.0% K.sub.3 14.7 CPY-3-O2 4.0% LTS 1000 PP-1-2V1 2.5% γ.sub.1/K.sub.1 4.6 mPas/pN CLU-3-F 10.0%

[0400] The medium contains compound CLU-3-F of formula I and shows a lower value of γ.sub.1/K.sub.1 and a higher LTS than the medium of Comparison Example 3.

EXAMPLE 10

[0401] The following liquid-crystalline medium is formulated:

TABLE-US-00020 CC-3-V 48.0% cl.p. 79 CCP-V-1 10.0% Δn 0.0996 PGP-2-2V 2.0% n.sub.e 1.5851 APUQU-3-F 2.5% n.sub.o 1.4855 PGUQU-4-F 5.5% Δε 2.5 CY-5-O2 2.0% ε.sub.∥ 6.1 CCY-5-O2 2.5% ε.sub.⊥ 3.6 CPY-3-O2 11.5% γ.sub.1 62 PP-1-2V1 6.0% K.sub.1 13.7 CLU-3-F 10.0% K.sub.3 15.6

EXAMPLE 11

[0402] The following liquid-crystalline medium is formulated:

TABLE-US-00021 CC-3-V 25.0% cl.p. 101.5 CCP-V-1 10.5% Δn 0.1120 BCH-32 9.0% n.sub.e 1.5992 CCP-30CF3 8.0% n.sub.o 1.4872 CC-3-V1 8.0% Δε 5.8 PGUQU-3-F 7.0% ε.sub.∥ 8.6 CLU-3-F 6.0% ε.sub.⊥ 2.8 PGUQU-4-F 5.0% γ.sub.1 86 CCP-50CF3 5.0% K.sub.1 17.6 CCP-3-1 5.0% K.sub.3 18.3 BCH-3F.F 5.0% PP-1-2V1 3.0% PGUQU-5-F 2.0% PCH-302 1.5%

EXAMPLE 12

[0403] The following liquid-crystalline medium is formulated:

TABLE-US-00022 CC-3-V 47.82% cl.p. 75 BCH-32 8.99% Δn 0.1013 PGU-2-F 7.99% n.sub.e 1.5881 CCP-30CF3 7.99% n.sub.o 1.4868 CLP-3-T 5.0% Δε 3.4 CCP-3-1 4.99% ε.sub.∥ 6.0 CLU-3-F 4.83% ε.sub.⊥ 2.7 PGP-2-3 3.92% γ.sub.1 49 PP-1-3 3.81% K.sub.1 15.0 CC-3-V1 2.37% K.sub.3 13.6 PGU-3-F 2.29%

EXAMPLE 13

[0404] The following liquid-crystalline medium is formulated:

TABLE-US-00023 CC-3-V 38.28% cl.p. 76.5 CLU-3-F 15.16% Δn 0.1013 PCH-302 12.19% n.sub.e 1.5890 BCH-32 8.99% n.sub.o 1.4877 CCP-30CF3 7.99% Δε 3.2 PGP-2-3 6.61% ε.sub.∥ 6.0 PGU-2-F 5.79% ε.sub.⊥ 2.8 CCP-3-1 4.99% γ.sub.1 56 K.sub.1 14.2 K.sub.3 13.6

EXAMPLE 14

[0405] The following liquid-crystalline medium is formulated:

TABLE-US-00024 CC-3-V 38.23% cl.p. 77 CLU-3-F 13.26% Δn 0.1004 PCH-302 11.49% n.sub.e 1.5883 BCH-32 8.99% n.sub.o 1.4879 CCP-30CF3 8.00% Δε 3.2 PGU-2-F 5.12% ε.sub.∥ 6.1 CCP-3-1 5.00% ε.sub.⊥ 2.8 BCH-3F.F 5.00% γ.sub.1 58 PGP-2-3 4.91% K.sub.1 14.0 K.sub.3 14.0

EXAMPLE 15

[0406] The following liquid-crystalline medium is formulated:

TABLE-US-00025 CC-3-V 30.0% cl.p. 77 CC-3-V1 5.0% Δn 0.0995 CCP-V-1 8.0% n.sub.e 1.5868 CCP-3-1 4.0% n.sub.o 1.4873 PP-1-2V1 8.0% Δε 2.7 PGUQU-3-F 6.0% ε.sub.∥ 5.4 PCH-302 16.0% ε.sub.⊥ 2.7 BCH-32 7.0% γ.sub.1 58 CCP-30CF3 6.0% K.sub.1 14.7 CCP-50CF3 4.0% K.sub.3 16.0 CLU-3-F 6.0%

EXAMPLE 16

[0407] The following liquid-crystalline medium is formulated:

TABLE-US-00026 CC-3-V 35.0% cl.p. 98 CC-3-V1 5.0% Δn 0.1108 CCP-30CF3 8.0% n.sub.e 1.5975 CCP-40CF3 2.0% n.sub.o 1.4867 CCP-V-1 20.0% Δε 6.0 CCP-V2-1 2.0% ε.sub.∥ 8.9 CPGP-5-2 2.5% ε.sub.⊥ 2.9 PGP-2-2V 2.0% γ.sub.1 77 PGU-3-F 6.5% K.sub.1 15.0 PGUQU-3-F 8.0% K.sub.3 17.5 PGUQU-4-F 6.0% CLU-3-F 3.0%

EXAMPLE 17

[0408] The following liquid-crystalline medium is formulated:

TABLE-US-00027 APUQU-3-F 1.0% cl.p. 99 BCH-32 9.0% Δn 0.1094 BCH-3F.F 5.5% n.sub.e 1.5985 CC-3-V 23.5% n.sub.o 1.4891 CCH-34 5.0% Δε 5.8 CCH-35 2.5% ε.sub.∥ 8.8 CCP-3-1 5.0% ε.sub.⊥ 3.0 CCP-3-3 5.0% γ.sub.1 102 CCP-V-1 4.5% K.sub.1 17.2 CCPC-33 2.0% K.sub.3 16.7 CCPC-34 2.0% CLP-3-T 2.0% CLU-3-F 10.0% PCH-302 9.0% PGU-2-F 2.0% PGUQU-3-F 5.0% PGUQU-4-F 7.0%

EXAMPLE 18

[0409] The following liquid-crystalline medium is formulated:

TABLE-US-00028 BCH-32 6.5% cl.p. 100.7 CC-3-V 25.5% Δn 0.1083 CC-3-V1 2.5% n.sub.e 1.5979 CCP-3-1 5.0% n.sub.o 1.4896 CCP-3-3 5.0% Δε 5.6 CCP-V-1 13.0% ε.sub.∥ 8.5 CCPC-33 2.0% ε.sub.⊥ 2.9 CLP-3-T 6.5% γ.sub.1 100 CLU-3-F 10.0% K.sub.1 17.5 PCH-302 10.0% K.sub.3 18.6 PGUQU-3-F 7.5% PGUQU-4-F 6.5%

EXAMPLE 19

[0410] The following liquid-crystalline medium is formulated:

TABLE-US-00029 BCH-32 9.0% cl.p. 91.8 CC-3-V 43.5% Δn 0.1019 CC-3-V1 2.5% n.sub.e 1.5896 CCP-3-1 2.0% n.sub.o 1.4877 CCP-3-3 5.0% Δε 4.8 CCP-V-1 12.5% ε.sub.∥ 7.5 CLU-3-F 10.0% ε.sub.⊥ 2.7 DPGU-4-F 0.5% γ.sub.1 67 PGP-2-4 1.0% K.sub.1 15.0 PGUQU-3-F 6.0% K.sub.3 16.3 PGUQU-4-F 7.0% PPGU-3-F 1.0%

EXAMPLE 20

[0411] The following liquid-crystalline medium is formulated:

TABLE-US-00030 APUQU-3-F 3.0% cl.p. 99.9 BCH-32 6.5% Δn 0.1106 CC-3-V 21.0% n.sub.e 1.5991 CC-3-V1 8.0% n.sub.o 1.4885 CCP-3-1 6.0% Δε 6.0 CCP-3-3 5.0% ε.sub.∥ 8.9 CCP-V-1 10.0% ε.sub.⊥ 2.9 CCPC-33 1.5% γ.sub.1 102 CLP-3-T 8.0% K.sub.1 18.3 CLU-3-F 3.5% K.sub.3 19.0 PCH-302 13.0% PGUQU-3-F 7.5% PGUQU-4-F 7.0%

EXAMPLE 21

[0412] The following liquid-crystalline medium is formulated:

TABLE-US-00031 BCH-32 6.5% cl.p. 99.7 CC-3-V 27.5% Δn 0.1090 CC-3-V1 3.0% n.sub.e 1.5972 CCP-3-1 6.0% n.sub.o 1.4882 CCP-3-3 5.0% Δε 5.9 CCP-3F.F.F 1.0% ε.sub.∥ 8.7 CCP-V-1 10.0% ε.sub.⊥ 2.9 CCPC-33 2.0% γ.sub.1 99 CLP-3-T 8.0% K.sub.1 17.5 CLU-3-F 5.0% K.sub.3 18.4 PCH-302 10.0% PGUQU-3-F 7.0% PGUQU-4-F 7.0% PGUQU-5-F 2.0%

EXAMPLE 22

[0413] The following liquid-crystalline medium is formulated:

TABLE-US-00032 BCH-32 3.0% cl.p. 99.9 BCH-3F.F 8.0% Δn 0.1092 CC-3-V 25.0% n.sub.e 1.5987 CCP-3-1 6.0% n.sub.o 1.4895 CCP-3-3 5.0% Δε 5.7 CCP-V-1 7.5% ε.sub.∥ 8.7 CCPC-33 2.0% ε.sub.⊥ 3.0 CCPC-34 2.0% γ.sub.1 112 CLP-3-T 8.0% K.sub.1 17.5 CLU-3-F 11.5% K.sub.3 18.5 PCH-302 10.0% PGUQU-3-F 7.5% PGUQU-4-F 3.0% PP-1-2V1 1.5%

EXAMPLE 23

[0414] The following liquid-crystalline medium is formulated:

TABLE-US-00033 BCH-32 4.5% cl.p. 100.9 BCH-3F.F 10.0% Δn 0.1104 CC-3-V 24.0% n.sub.e 1.5992 CCH-35 4.0% n.sub.o 1.4888 CCP-3-1 6.0% Δε 5.9 CCP-3-3 5.0% ε.sub.∥ 8.9 CCP-V-1 5.0% ε.sub.⊥ 3.0 CCPC-33 2.0% γ.sub.1 111 CCPC-34 2.0% K.sub.1 18.1 CLP-3-T 8.0% K.sub.3 18.4 CLU-3-F 6.0% PCH-302 10.0% PGUQU-3-F 7.5% PGUQU-4-F 5.5% PP-1-2V1 0.5%

TABLE-US-00034 APUQU-3-F 5.0% cl.p. 78.1 CC-3-V 39.5% Δn 0.1082 CCP-3-1 7.0% n.sub.e 1.5919 CCP-3-3 5.0% n.sub.o 1.4837 CCPC-33 3.0% Δε 11.4 CCPC-34 1.5% ε.sub.∥ 15.0 CLU-3-F 4.5% ε.sub.⊥ 3.6 PGU-2-F 4.5% γ.sub.1 80 PGUQU-3-F 5.0% K.sub.1 12.0 PGUQU-4-F 7.0% K.sub.3 13.1 PGUQU-5-F 2.5% PUQU-3-F 15.5%

EXAMPLE 25

[0415] The following liquid-crystalline medium is formulated:

TABLE-US-00035 APUQU-3-F 5.0% cl.p. 78.3 CC-3-V 40.0% Δn 0.1091 CCP-3-1 7.5% n.sub.e 1.5928 CCP-3-3 5.0% n.sub.o 1.4837 CCPC-33 3.0% Δε 11.6 CLU-3-F 5.5% ε.sub.∥ 15.2 DGUQU-4-F 0.5% ε.sub.⊥ 3.6 PGU-2-F 4.5% γ.sub.1 80 PGUQU-3-F 5.0% K.sub.1 12.1 PGUQU-4-F 7.0% K.sub.3 13.4 PGUQU-5-F 4.5% PUQU-3-F 12.5%

EXAMPLE 26

[0416] The following liquid-crystalline medium is formulated:

TABLE-US-00036 APUQU-3-F 5.0% cl.p. 76.5 BCH-2F.F 3.0% Δn 0.1087 BCH-3F.F 3.0% n.sub.e 1.5935 CC-3-V 38.5% n.sub.o 1.4848 CCP-3-1 7.0% Δε 11.3 CCP-3-3 5.0% ε.sub.∥ 14.9 CCPC-33 1.0% ε.sub.⊥ 3.6 CLU-3-F 8.0% γ.sub.1 78 DGUQU-4-F 3.0% K.sub.1 11.8 PGU-2-F 4.5% K.sub.3 12.9 PGUQU-3-F 5.0% PGUQU-4-F 7.0% PGUQU-5-F 2.0% PUQU-3-F 8.0%

EXAMPLE 27

[0417] The following liquid-crystalline medium is formulated:

TABLE-US-00037 BCH-2F.F 1.5% cl.p. 74.2 BCH-3F.F 5.0% Δn 0.1073 CC-3-V 34.5% n.sub.e 1.5915 CC-3-V1 3.5% n.sub.o 1.4842 CCP-3-1 7.0% Δε 11.2 CCP-3-3 3.0% ε.sub.∥ 14.8 CCPC-33 1.5% ε.sub.⊥ 3.6 CLU-3-F 10.5% γ.sub.1 78 DGUQU-4-F 1.0% K.sub.1 11.6 PGUQU-3-F 5.0% K.sub.3 13.0 PGUQU-4-F 7.0% PGUQU-5-F 6.0% PUQU-3-F 14.5%

EXAMPLE 28

[0418] The following liquid-crystalline medium is formulated:

TABLE-US-00038 BCH-2F.F 1.5% cl.p. 74.8 BCH-3F.F 5.0% Δn 0.1102 CC-3-V 30.0% n.sub.e 1.5951 CC-3-V1 5.5% n.sub.o 1.4849 CCP-3-1 7.0% Δε 11.8 CCP-3-3 5.0% ε.sub.∥ 15.4 CCP-V-1 1.0% ε.sub.⊥ 3.7 CLU-3-F 11.0% γ.sub.1 81 DGUQU-4-F 1.0% K.sub.1 11.9 PGU-2-F 0.5% K.sub.3 13.1 PGUQU-3-F 5.0% PGUQU-4-F 7.0% PGUQU-5-F 6.0% PUQU-3-F 14.5%

EXAMPLE 29

[0419] The following liquid-crystalline medium is formulated:

TABLE-US-00039 CC-3-V 32.5% cl.p. 75.8 CCP-3-1 7.0% Δn 0.1096 CCP-3-3 5.0% n.sub.e 1.5949 CCP-3F.F.F 3.0% n.sub.o 1.4853 CCP-V-1 4.0% Δε 11.6 CLP-3-T 3.5% ε.sub.∥ 15.1 CLU-3-F 11.0% ε.sub.⊥ 3.6 PGU-2-F 3.5% γ.sub.1 81 PGUQU-3-F 6.0% K.sub.1 12.1 PGUQU-4-F 7.0% K.sub.3 13.2 PGUQU-5-F 3.0% PUQU-3-F 14.5%

EXAMPLE 30

[0420] The following liquid-crystalline medium is formulated:

TABLE-US-00040 BCH-32 7.0% cl.p. 100.2 CC-3-V 22.0% Δn 0.1115 CC-3-V1 8.0% n.sub.e 1.6004 CCP-3-1 7.0% n.sub.o 1.4889 CCP-3-3 5.0% Δε 5.8 CCP-V-1 13.0% ε.sub.∥ 8.7 CLP-3-T 6.0% ε.sub.⊥ 2.9 CLU-3-F 5.0% γ.sub.1 97 PCH-302 10.0% K.sub.1 17.9 PGUQU-3-F 6.0% K.sub.3 18.8 PGUQU-4-F 7.0% PGUQU-5-F 4.0%

EXAMPLE 31

[0421] The following liquid-crystalline medium is formulated:

TABLE-US-00041 BCH-32 7.0% cl.p. 100.4 CC-3-V 26.5% Δn 0.1112 CC-3-V1 1.0% n.sub.e 1.6004 CCP-3-1 7.0% n.sub.o 1.4892 CCP-3-3 5.0% Δε 5.9 CCP-V-1 13.0% ε.sub.∥ 8.7 CCPC-33 0.5% ε.sub.⊥ 2.9 CLP-3-T 8.0% γ.sub.1 99 CLU-3-F 6.0% K.sub.1 17.8 PCH-302 10.0% K.sub.3 18.7 PGUQU-3-F 5.0% PGUQU-4-F 7.0% PGUQU-5-F 4.0%

EXAMPLE 32

[0422] The following liquid-crystalline medium is formulated:

TABLE-US-00042 BCH-32 8.0% cl.p. 100 CC-3-V 25.5% Δn 0.1101 CC-3-V1 4.5% n.sub.e 1.5992 CCP-3-1 7.5% n.sub.o 1.4891 CCP-3-3 4.5% Δε 5.9 CCP-V-1 9.0% ε.sub.∥ 8.7 CCPC-33 1.5% ε.sub.⊥ 2.9 CLP-3-T 6.0% γ.sub.1 98 CLU-3-F 7.5% K.sub.1 17.7 PCH-302 10.0% K.sub.3 18.6 PGUQU-3-F 5.5% PGUQU-4-F 7.0% PGUQU-5-F 3.5%

EXAMPLE 33

[0423] The following liquid-crystalline medium is formulated:

TABLE-US-00043 BCH-32 6.5% cl.p. 101 CC-3-V 26.5% Δn 0.1097 CC-3-V1 3.0% n.sub.e 1.5981 CCP-3-1 6.0% n.sub.o 1.4884 CCP-3-3 5.0% Δε 5.9 CCP-3F.F.F 1.0% ε.sub.∥ 8.7 CCP-V-1 11.0% ε.sub.⊥ 2.9 CCPC-33 2.0% γ.sub.1 99 CLP-3-T 8.0% K.sub.1 17.8 CLU-3-F 5.0% K.sub.3 18.9 PCH-302 10.0% PGUQU-3-F 7.0% PGUQU-4-F 7.0% PGUQU-5-F 2.0%

EXAMPLE 34

[0424] The following liquid-crystalline medium is formulated:

TABLE-US-00044 BCH-32 7.0% cl.p. 100.4 CC-3-V 28.5% Δn 0.1109 CC-3-V1 0.5% n.sub.e 1.5995 CCP-3-1 7.0% n.sub.o 1.4886 CCP-3-3 5.0% Δε 5.9 CCP-V-1 10.5% ε.sub.∥ 8.8 CCPC-33 2.0% ε.sub.⊥ 2.9 CLP-3-T 7.0% γ.sub.1 98 CLU-3-F 5.0% K.sub.1 18.0 PCH-302 10.5% K.sub.3 18.6 PGUQU-3-F 5.0% PGUQU-4-F 7.0% PGUQU-5-F 5.0%

EXAMPLE 35

[0425] The following liquid-crystalline medium is formulated:

TABLE-US-00045 APUQU-3-F 2.0% cl.p. 101.1 BCH-32 8.0% Δn 0.1110 CC-3-V 25.0% n.sub.e 1.5996 CCP-3-1 6.0% n.sub.o 1.4886 CCP-3-3 5.0% Δε 5.8 CCP-30CF3 5.5% ε.sub.∥ 8.7 CCP-V-1 12.5% ε.sub.⊥ 2.9 CLP-3-T 6.5% γ.sub.1 97 CLU-3-F 3.5% K.sub.1 18.0 PCH-302 11.5% K.sub.3 18.6 PGUQU-3-F 3.0% PGUQU-4-F 6.0% PGUQU-5-F 5.5%

EXAMPLE 36

[0426] The following liquid-crystalline medium is formulated:

TABLE-US-00046 BCH-32 8.5% cl.p. 101.4 CC-3-V 25.0% Δn 0.1108 CC-3-V1 0.5% n.sub.e 1.5995 CCP-3-1 7.0% n.sub.o 1.4887 CCP-3-3 2.0% Δε 5.8 CCP-30CF3 5.5% ε.sub.∥ 8.7 CCP-V-1 14.0% ε.sub.⊥ 2.9 CLP-3-T 6.5% γ.sub.1 97 CLU-3-F 5.0% K.sub.1 17.8 DGUQU-4-F 1.0% K.sub.3 18.5 PCH-302 10.5% PGUQU-3-F 3.0% PGUQU-4-F 6.0% PGUQU-5-F 5.5%

EXAMPLE 37

[0427] The following liquid-crystalline medium is formulated:

TABLE-US-00047 CC-3-V 24.0% cl.p. 100.4 CCP-3-1 7.0% Δn 0.1110 CCP-3-3 3.0% n.sub.e 1.5982 CCP-30CF3 8.0% n.sub.o 1.4872 CCP-3F.F.F 3.0% Δε 5.9 CCP-50CF3 1.5% ε.sub.∥ 8.8 CCP-V-1 13.5% ε.sub.⊥ 2.9 CLP-3-T 7.5% γ.sub.1 98 CLU-3-F 3.0% K.sub.1 17.5 PCH-302 11.0% K.sub.3 18.7 PGP-2-3 4.5% PGUQU-3-F 8.0% PGUQU-4-F 6.0%

EXAMPLE 38

[0428] The following liquid-crystalline medium is formulated:

TABLE-US-00048 BCH-32 4.0% cl.p. 100.5 CC-3-V 26.0% Δn 0.1109 CC-3-V1 4.5% n.sub.e 1.5992 CCP-3-1 4.5% n.sub.o 1.4883 CCP-3-3 5.0% Δε 5.8 CCP-3F.F.F 3.0% ε.sub.∥ 8.7 CCP-V-1 11.0% ε.sub.⊥ 2.9 CCPC-33 3.0% γ.sub.1 99 CLP-3-T 6.0% K.sub.1 17.3 CLU-3-F 4.5% K.sub.3 18.5 PCH-302 10.0% PGP-2-3 2.5% PGUQU-3-F 7.0% PGUQU-4-F 7.0% PGUQU-5-F 2.0%

EXAMPLE 39

[0429] The following liquid-crystalline medium is formulated:

TABLE-US-00049 APUQU-3-F 2.5% cl.p. 100.3 BCH-32 8.0% Δn 0.1105 CC-3-V 19.5% n.sub.e 1.5993 CC-3-V1 8.0% n.sub.o 1.4888 CCP-3-1 6.0% Δε 5.8 CCP-3-3 5.0% ε.sub.∥ 8.7 CCP-3F.F.F 3.5% ε.sub.⊥ 2.9 CCP-V-1 13.0% γ.sub.1 98 CLP-3-T 4.5% K.sub.1 17.7 CLU-3-F 5.0% K.sub.3 18.7 PCH-302 11.0% PGP-2-3 0.5% PGUQU-3-F 5.5% PGUQU-4-F 6.0% PGUQU-5-F 2.0%

EXAMPLE 40

[0430] The following liquid-crystalline medium is formulated:

TABLE-US-00050 APUQU-3-F 2.0% cl.p. 100.7 BCH-32 7.0% Δn 0.1097 CC-3-V 26.5% n.sub.e 1.5983 CC-3-V1 1.0% n.sub.o 1.4886 CCP-3-1 7.0% Δε 5.8 CCP-3-3 5.0% ε.sub.∥ 8.7 CCP-V-1 13.0% ε.sub.⊥ 2.9 CCPC-33 0.5% γ.sub.1 100 CLP-3-T 8.0% K.sub.1 18.0 CLU-3-F 6.0% K.sub.3 18.7 PCH-302 10.0% PGUQU-3-F 3.0% PGUQU-4-F 5.0% PGUQU-5-F 6.0%

EXAMPLE 41

[0431] The following liquid-crystalline medium is formulated:

TABLE-US-00051 APUQU-3-F 2.0% cl.p. 100.4 BCH-32 4.0% Δn 0.1113 CC-3-V 18.5% n.sub.e 1.6014 CC-3-V1 8.5% n.sub.o 1.4901 CCP-3-1 5.0% Δε 5.7 CCP-3-3 5.0% ε.sub.∥ 8.6 CCP-V-1 20.0% ε.sub.⊥ 2.9 CCPC-33 0.5% γ.sub.1 99 CLP-3-T 1.5% K.sub.1 16.8 CLU-3-F 9.0% K.sub.3 18.8 PCH-302 10.0% PGU-3-F 4.0% PGUQU-3-F 2.0% PGUQU-4-F 4.0% PGUQU-5-F 6.0%

EXAMPLE 42

[0432] The following liquid-crystalline medium is formulated:

TABLE-US-00052 APUQU-3-F 2.0% cl.p. 101.2 BCH-32 9.0% Δn 0.1106 CC-3-V 25.5% n.sub.e 1.5999 CC-3-V1 3.5% n.sub.o 1.4893 CCP-3-1 5.5% Δε 5.8 CCP-V-1 14.5% ε.sub.∥ 8.7 CCPC-33 2.0% ε.sub.⊥ 2.9 CLP-3-T 7.0% γ.sub.1 99 CLU-3-F 7.0% K.sub.1 17.6 PCH-302 10.0% K.sub.3 18.6 PGUQU-3-F 3.0% PGUQU-4-F 5.0% PGUQU-5-F 6.0%

EXAMPLE 43

[0433] The following liquid-crystalline medium is formulated:

TABLE-US-00053 APUQU-3-F 2.0% cl.p. 101.3 BCH-32 9.0% Δε 5.8 CC-3-V 19.5% ε.sub.∥ 8.7 CC-3-V1 8.5% ε.sub.⊥ 2.9 CCP-3-1 7.0% γ.sub.1 100 CCP-3-3 1.5% K.sub.1 18.1 CCP-3F.F.F 4.0% K.sub.3 19.0 CCP-V-1 14.0% CLP-3-T 6.5% CLU-3-F 4.5% PCH-302 10.0% PGUQU-3-F 3.0% PGUQU-4-F 5.0% PGUQU-5-F 5.5%

EXAMPLE 44

[0434] The following liquid-crystalline medium is formulated:

TABLE-US-00054 APUQU-3-F 2.0% cl.p. 101 BCH-32 5.0% Δn 0.1114 CC-3-V 21.5% n.sub.e 1.6006 CC-3-V1 8.0% n.sub.o 1.4892 CCP-3-1 7.0% Δε 5.8 CCP-3-3 4.5% ε.sub.∥ 8.7 CCP-V-1 13.5% ε.sub.⊥ 2.9 CCPC-33 1.5% γ.sub.1 100 CLP-3-T 6.5% K.sub.1 18.0 CLU-3-F 4.0% K.sub.3 18.9 PCH-302 10.0% PGU-3-F 4.0% PGUQU-3-F 3.0% PGUQU-4-F 5.0% PGUQU-5-F 4.5%

EXAMPLE 45

[0435] The following liquid-crystalline medium is formulated:

TABLE-US-00055 APUQU-3-F 2.0% cl.p. 100.6 BCH-32 9.0% Δn 0.1107 CC-3-V 19.5% n.sub.e 1.6004 CC-3-V1 10.0% n.sub.o 1.4897 CCP-3-1 7.0% Δε 5.8 CCP-V-1 14.0% ε.sub.∥ 8.7 CCPC-33 1.0% ε.sub.⊥ 2.9 CLP-3-T 2.5% γ.sub.1 98 CLU-3-F 11.5% K.sub.1 17.3 PCH-302 10.0% K.sub.3 18.7 PGUQU-3-F 3.0% PGUQU-4-F 4.5% PGUQU-5-F 6.0%

EXAMPLE 46

[0436] The following liquid-crystalline medium is formulated:

TABLE-US-00056 APUQU-3-F 2.0% cl.p. 101 BCH-32 2.5% Δn 0.1108 CC-3-V 22.5% n.sub.e 1.5998 CC-3-V1 6.5% n.sub.o 1.4890 CCP-3-1 7.0% Δε 5.8 CCP-3-3 4.0% ε.sub.∥ 8.7 CCP-V-1 13.0% ε.sub.⊥ 2.9 CCP-V2-1 1.5% γ.sub.1 103 CCPC-33 3.0% K.sub.1 17.5 CLP-3-T 6.5% K.sub.3 18.9 CLU-3-F 4.5% PCH-302 10.0% PGU-2-F 3.5% PGU-3-F 3.5% PGUQU-3-F 3.0% PGUQU-4-F 4.0% PGUQU-5-F 3.0%

EXAMPLE 47

[0437] The following liquid-crystalline medium is formulated:

TABLE-US-00057 APUQU-3-F 2.0% cl.p. 100.7 BCH-32 2.5% Δn 0.1108 CC-3-V 22.0% n.sub.e 1.6003 CC-3-V1 7.0% n.sub.o 1.4895 CCP-3-1 7.0% Δε 5.8 CCP-3-3 5.0% ε.sub.∥ 8.7 CCP-V-1 13.0% ε.sub.⊥ 2.9 CCP-V2-1 0.5% γ.sub.1 104 CCPC-33 3.0% K.sub.1 17.5 CLP-3-T 6.5% K.sub.3 18.8 CLU-3-F 4.0% PCH-302 10.0% PGU-2-F 5.0% PGU-3-F 2.5% PGUQU-4-F 5.0% PGUQU-5-F 5.0%

EXAMPLE 48

[0438] The following liquid-crystalline medium is formulated:

TABLE-US-00058 BCH-32 9.0% cl.p. 99.7 CC-3-V 31.5% Δn 0.1104 CCG-V-F 4.0% n.sub.e 1.6017 CCP-3-1 5.0% n.sub.o 1.4913 CCP-3-3 5.0% Δε 5.8 CCP-V-1 9.5% ε.sub.∥ 8.6 CCPC-33 3.0% ε.sub.⊥ 2.9 CDUQU-3-F 1.0% γ.sub.1 91 CLU-3-F 13.0% K.sub.1 16.4 DGUQU-4-F 1.0% K.sub.3 17.4 PGU-2-F 2.5% PGUQU-3-F 3.5% PGUQU-4-F 4.0% PGUQU-5-F 3.0% PP-1-2V1 5.0%

EXAMPLE 49

[0439] The following liquid-crystalline medium is formulated:

TABLE-US-00059 APUQU-3-F 2.5% cl.p. 100.3 BCH-32 4.0% Δn 0.1119 CC-3-V 22.0% n.sub.e 1.6012 CC-3-V1 8.0% n.sub.o 1.4893 CCP-3-1 7.0% Δε 5.9 CCP-3-3 5.0% ε.sub.∥ 8.8 CCP-V-1 12.0% ε.sub.⊥ 3.0 CCP-V2-1 1.0% γ.sub.1 99 CCPC-33 2.5% K.sub.1 17.5 CLP-3-T 6.0% K.sub.3 18.5 CLU-3-F 2.0% PCH-302 10.0% PGU-2-F 7.0% PGUQU-3-F 3.0% PGUQU-4-F 5.0% PGUQU-5-F 3.0%

EXAMPLE 50

[0440] The following liquid-crystalline medium is formulated:

TABLE-US-00060 APUQU-3-F 2.0% cl.p. 100.4 BCH-32 4.0% Δn 0.1113 CC-3-V 22.5% n.sub.e 1.6008 CC-3-V1 8.0% n.sub.o 1.4895 CCP-3-1 7.0% Δε 5.8 CCP-3-3 5.0% ε.sub.∥ 8.8 CCP-V-1 12.0% ε.sub.⊥ 2.9 CCP-V2-1 0.5% γ.sub.1 99 CCPC-33 2.5% K.sub.1 17.6 CLP-3-T 6.5% K.sub.3 18.7 CLU-3-F 2.0% PCH-302 10.0% PGU-2-F 6.0% PGUQU-3-F 3.0% PGUQU-4-F 5.0% PGUQU-5-F 4.0%

EXAMPLE 51

[0441] The following liquid-crystalline medium is formulated:

TABLE-US-00061 BCH-32 8.0% cl.p. 103.6 BCH-5F.F.F 2.5% Δn 0.1116 CBC-33 0.5% n.sub.e 1.5988 CC-3-V 34.0% n.sub.o 1.4872 CC-3-V1 1.0% Δε 5.8 CCP-3-1 10.0% ε.sub.∥ 8.6 CCP-30CF3 8.0% ε.sub.⊥ 2.8 CCP-V-1 0.5% γ.sub.1 97 CCPC-33 2.0% K.sub.1 17.8 CCPC-35 4.0% K.sub.3 18.5 CLU-3-F 9.0% PGUQU-3-F 8.0% PGUQU-4-F 4.0% PGUQU-5-F 2.0% PP-1-2V1 6.5%

EXAMPLE 52

[0442] The following liquid-crystalline medium is formulated:

TABLE-US-00062 CC-3-V 26.0% cl.p. 97 CC-3-V1 10.0% Δn 0.1111 CCGU-3-F 1.0% n.sub.e 1.5966 CCP-3F.F.F 1.0% n.sub.o 1.4855 CCP-30CF3 7.0% Δε 5.7 CCP-40CF3 1.5% ε.sub.∥ 8.5 CCP-50CF3 4.0% ε.sub.⊥ 2.8 CCP-V-1 12.0% γ.sub.1 85 CLP-3-T 7.0% K.sub.1 18.2 PGP-2-3 3.0% K.sub.3 18.2 PGP-2-5 4.0% PGUQU-3-F 7.0% PGUQU-4-F 3.0% PP-1-2V1 3.5% CLU-3-F 10.0%

EXAMPLE 53

[0443] The following liquid-crystalline medium is formulated:

TABLE-US-00063 CC-3-V 25.5% cl.p. 97.5 CC-3-V1 6.0% Δn 0.1106 CCGU-3-F 6.0% n.sub.e 1.5977 CCP-3F.F.F 1.0% n.sub.o 1.4871 CCP-30CF3 8.0% Δε 5.9 CCP-40CF3 5.0% ε.sub.∥ 8.7 CCP-50CF3 2.5% ε.sub.⊥ 2.8 CCP-V-1 15.0% γ.sub.1 86 PGP-2-3 2.0% K.sub.1 16.8 PGUQU-3-F 5.0% K.sub.3 18.3 PGUQU-4-F 5.0% PP-1-2V1 9.0% CLU-3-F 10.0%

EXAMPLE 54

[0444] The following liquid-crystalline medium is formulated:

TABLE-US-00064 PCH-302 1.0% cl.p. 97 PP-1-2V1 2.5% Δn 0.1112 PGU-2-F 1.5% n.sub.e 1.5989 PGUQU-3-F 8.0% n.sub.o 1.4877 PGUQU-4-F 0.5% Δε 5.5 CLU-3-F 20.0% ε.sub.∥ 8.6 CCP-3-1 7.0% ε.sub.⊥ 3.1 BCH-32 12.0% γ.sub.1 87 CC-3-V 26.0% K.sub.1 18.0 CC-3-V1 8.0% K.sub.3 17.0 CCP-30CF3 8.0% CPY-3-O2 5.5%

EXAMPLE 55

[0445] The following liquid-crystalline medium is formulated:

TABLE-US-00065 CC-3-V 9.0% cl.p. 91 CCH-34 10.0% Δn 0.1129 PCH-302 13.5% n.sub.e 1.6060 PCH-53 5.0% n.sub.o 1.4931 CCP-3-1 7.0% Δε 5.4 CCP-3-3 3.0% ε.sub.∥ 8.5 BCH-32 12.0% ε.sub.⊥ 3.0 CCPC-33 2.0% γ.sub.1 100 CCPC-34 2.0% K.sub.1 18.2 BCH-3F.F 5.0% K.sub.3 15.7 PGU-2-F 8.0% PGUQU-3-F 3.5% CLU-3-F 20.0%

EXAMPLE 56

[0446] The following liquid-crystalline medium is formulated:

TABLE-US-00066 CC-3-V 49.5% cl.p. 79 CCP-V-1 10.0% Δn 0.0989 PGP-2-2V 2.0% n.sub.e 1.5847 PUQU-3-F 3.0% n.sub.o 1.4858 PPGU-3-F 0.5% Δε 2.4 CPY-3-O2 9.0% ε.sub.∥ 6.7 B(S)-2O-O4 4.0% ε.sub.⊥ 4.3 B(S)-2O-O5 4.0% γ.sub.1 60 CLU-3-F 14.0% K.sub.1 13.8 PGUQU-3-F 4.0% K.sub.3 14.5 LTS bulk 840 [h, −20° C.]:

[0447] Without further elaboration, it is believed that one skilled in the art can, using the preceding description, utilize the present invention to its fullest extent. The preceding preferred specific embodiments are, therefore, to be construed as merely illustrative, and not limitative of the remainder of the disclosure in any way whatsoever.

[0448] The entire disclosure[s] of all applications, patents and publications, cited herein and of corresponding EP Patent Application No. 20168884.3, filed Apr. 9, 2020. is [are] incorporated by reference herein.

[0449] The preceding examples can be repeated with similar success by substituting the generically or specifically described reactants and/or operating conditions of this invention for those used in the preceding examples.

[0450] From the foregoing description, one skilled in the art can easily ascertain the essential characteristics of this invention and, without departing from the spirit and scope thereof, can make various changes and modifications of the invention to adapt it to various usages and conditions.