LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY COMPRISING THE SAME

Abstract

The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula YX

##STR00001## in which
the parameters have the meanings given in the text,
to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula YX for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

Claims

1-17. (canceled)

18. A compound of formula YX ##STR00393## in which ##STR00394## denote independently of each other denote ##STR00395## n denotes 0 or 1, R.sup.Y denotes alkyl, alkoxy, fluorinated alkyl or fluorinated alkoxy having 1 to 7 C atoms, alkoxyalkyl or fluorinated alkenyl having 2 to 7 C atoms, X.sup.Y denotes F, Cl, NCS, fluorinated alkyl, fluorinated alkenyl, fluorinated alkoxy or fluorinated alkenyloxy, the latter four groups having 1 to 4 C atoms, preferably F, CF.sub.3 or OCF.sub.3, and Z.sup.Y denotes a single bond, —CH═CH—, —C≡C—, —CH.sub.2—CH.sub.2—, —CF.sub.2—O—, CH.sub.2—O— or —CO—O—; except that compounds wherein n denotes 1, Z.sup.Y denotes a single bond, ##STR00396## A denotes ##STR00397## denotes ##STR00398## and X.sup.Y denotes F, or n denotes 1, Z.sup.Y denotes a single bond, ##STR00399## denotes ##STR00400## denotes ##STR00401## and X.sup.Y denotes OCF.sub.3, or n denotes 0, Z.sup.Y denotes a single bond, ##STR00402## denotes ##STR00403## and X.sup.Y denotes F or OCF.sub.3, are excluded.

19. The compound of claim 18, wherein the compound is selected from the group of compounds of formulae YX-1, YX-2, YX-3, YX-4 and YX-5: ##STR00404## in which R.sup.Y denotes alkyl, alkoxy, fluorinated alkyl or fluorinated alkoxy having 1 to 7 C atoms or alkenyl, alkenyloxy, alkoxyalkyl or fluorinated alkenyl having 2 to 7 C atoms, and X.sup.Y denotes F, Cl, CN, NCS, fluorinated alkyl, fluorinated alkenyl, fluorinated alkoxy or fluorinated alkenyloxy, the latter four groups preferably having 1 to 4 C atoms, preferably F, CF.sub.3 or OCF.sub.3.

20. The compound according to claim 18, wherein the compound is selected from the group consisting of: ##STR00405## ##STR00406## wherein n is an integer from 1 to 6.

21. A process for the preparation of a liquid-crystalline medium comprising one or more compounds of formula YX according to claim 18, wherein one or more compounds of formula YX are mixed with one or more additional mesogenic compounds.

22. A process for the preparation of a compound of formula YX according to claim 18, comprising: nucleophilic addition of a metallated aryl derivative resulting in a corresponding tertiary alcohol, dehydration of the tertiary alcohol to give a cyclohexylene-cyclohexenylenephenylene compound, and hydrogenation of the cyclohexylene-cyclohexenylene-phenylene compound to the respective bicyclohexylene-phenylene compound.

23. The process of claim 18 wherein the nucleophilic addition of a metallated aryl derivative resulting in the corresponding tertiary alcohol is a Grignard reagent to a bicyclohexyl ketone.

Description

EXAMPLES

[0351] The following examples explain the present invention without restricting it in any way. However, the physical properties make it clear to the person skilled in the art what properties can be achieved and in what ranges they can be modified. In particular, the combination of the various properties which can preferably be achieved is thus well defined for the person skilled in the art.

SYNTHESIS EXAMPLES

[0352] The following abbreviations are used in the synthetic examples.

[0353] DMAP 4-(Dimethylamino)pyridine

[0354] MTB ether tertButyl methyl ether

[0355] TEA Triethylamine

[0356] THE Tetrahydrofuran

[0357] Throughout this application, unless explicitly stated otherwise, room temperature and ambient temperature are used synonymously and signify a temperature of about 20° C., typically (20±1°) C.

Synthesis Example 1: 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-3-ene (4)

Step 1.1: Synthesis of 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-4-ol (3)

[0358] ##STR00374##

[0359] Butyllithium (15% solution in hexane, 15.0 mL, 23 mmol) is added to a solution of 1-Bromo-2,3-difluoro-4-trifluoromethoxy-benzene (2) (6.0 g, 21 mmol) in diethyl ether (80 mL) at −65° C. The solution is stirred for 1 h, then a solution of 4′-Propyl-bicyclohexyl-4-one (1) (5.3 g, 23 mmol) in diethyl ether (20 mL) is added dropwise at a temperature of −65° C. The reaction mixture is stirred for 1 h and allowed to warm up to ambient temperature, which means about 20° C. in this application, unless explicitly specified otherwise. It is hydrolysed with distilled water and adjusted to pH=2 by addition of hydrochloric acid (2 N). The aqueous phase is extracted three times with MTB ether and the combined organic phases are washed with brine, dried with sodium sulfate, filtered and concentrated in vacuo. The product 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-4-ol (3) is isolated as a yellow oil.

Step 1.2: Synthesis of 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-3-ene (4)

[0360] ##STR00375##

[0361] A mixture of 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-4-ol (3) (9.8 g, 19 mmol), xylene (100 mL) and conc. sulfuric acid (200 mg) is heated at reflux temperature in a Dean Stark trap for 1 h. Then it is concentrated in vacuo. The residue is purified by flash chromatography (silica gel, eluent 100% heptane). The crude product is crystallized from isopropanol and heptane to give 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-3-ene (4) as colorless crystals.

[0362] Phase characteristics of 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-3-ene (4): K 32° C. N 109° C. I.

Synthesis Example 2: 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl (5)

[0363] ##STR00376##

[0364] 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl-3-ene (4) (4.0 g, 9.8 mmol) is subjected to catalytic hydrogenation. The residue is concentrated in vacuo and purified by flash chromatography (silica gel, eluent 100% heptane). The crude product is crystallized from isopropanol and heptanes to give 4-(2,3-Difluoro-4-trifluoromethoxyphenyl)-4′-propyl-bicyclohexyl (5) as colorless crystals.

[0365] Phase characteristics of 4-(2,3-Difluoro-4-trifluoromethoxy-phenyl)-4′-propyl-bicyclohexyl (5): K 49° C. N 122° C. I.

Synthesis Example 3: 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-3-ene (8)

Step 3.1: Synthesis of 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-4-ol (7)

[0366] ##STR00377##

[0367] 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-4-ol (7) is synthesized from 1-Bromo-2,3-difluoro-4-trifluoromethyl-benzene (6) (11.0 g, 60 mmol) and 4′-Propyl-bicyclohexyl-4-one (1) (14.0 g, 63 mmol) according to Example 1, Step 1.1.

[0368] 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-4-ol (7) is isolated as a yellow oil.

Step 3.2: Synthesis of 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-3-ene (8)

[0369] ##STR00378##

[0370] 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-3-ene (8) is synthesized from 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-4-ol (7) (29.3 g, 58 mmol) according to Example 1, Step 1.2.

[0371] 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-3-ene (8) is isolated as colorless crystals.

[0372] Phase characteristics of 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl-3-ene (8): K 60° C. SmB 65° C. N 84° C. I.

Synthesis Example 4: 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl (9)

[0373] ##STR00379##

[0374] 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl (9) is synthesized by hydrogenation of 4-(2,3-Difluoro-4-trifluoromethylphenyl)-4′-propyl-bicyclohexyl-3-ene (8) (8.0 g, 21 mmol) according to Example 2.

[0375] 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl (9) is isolated as colorless crystals.

[0376] Phase characteristics of 4-(2,3-Difluoro-4-trifluoromethyl-phenyl)-4′-propyl-bicyclohexyl (9): K 65° C. SmB 79° C. N 82° C. I.

Synthesis Example 5: 2,3-Difluoro-1-[4-(4-propylcyclohex-1-enyl)phenyl]-4-(trifluoromethyl)benzene (14)

Step 5.1: Synthesis of [4-(4-Propylcyclohex-1-enyl)phenyl]boronic acid (11)

[0377] ##STR00380##

[0378] Butyllithium (15% solution in hexanes, 74 mL, 118 mmol) is added to a solution of 1-Bromo-4-(4-propylcyclohex-1-enyl)-benzene (10) (30.0 g, 107 mmol) in THE (470 mL) at −65° C. The suspension is stirred for 1 h, then a solution of Trimethylborate (12.5 g, 120 mmol) in THE (30 mL) is added dropwise at −65° C. The reaction mixture is stirred for 1 h and allowed to warm up to room temperature. It is hydrolysed by addition of hydrochloric acid (2 N) and diluted with MTB ether. The aqueous phase is separated and extracted with MTB ether (2×), and the combined organic phases are washed with brine, dried with sodium sulfate, filtered and concentrated in vacuo. The residue is crystallized from heptane to give [4-(4-Propylcyclohex-1-enyl)phenyl]boronic acid (11) as colorless crystals.

Step 5.2: Synthesis of 2,3-Difluoro-1-iodo-4-(trifluoromethyl)benzene (13)

[0379] ##STR00381##

[0380] Butyllithium (15% solution in hexanes, 85 mL, 135 mmol) is added to a solution of 1,2-Difluoro-3-(trifluoromethyl)benzene (12) (24.4 g, 134 mmol) in THE (200 mL) at −65° C. The solution is stirred for 1 h, then a solution of Iodine (35.0 g, 138 mmol) in THE (50 mL) is added dropwise at −65° C. The reaction mixture is stirred for 30 min and allowed to warm up to room temperature. It is hydrolysed by addition of dist. water and treated with aqueous sodium hydrogen sulfite. The aqueous phase is separated and extracted with MTB ether (2×), and the combined organic phases are washed with brine, dried with sodium sulfate, filtered and concentrated in vacuo. The residue is purified by silica gel chromatography (eluent heptane) to give 2,3-Difluoro-1-iodo-4-(trifluoromethyl)benzene (13) as a colorless oil.

Step 5.3: Synthesis of 2,3-Difluoro-1-[4-(4-propylcyclohex-1-enyl)phenyl]-4-(trifluoromethyl)benzene (14)

[0381] ##STR00382##

[0382] A mixture of 2,3-Difluoro-1-iodo-4-(trifluoromethyl)benzene (13) (5.5 g, 18 mmol), potassium carbonate (4.0 g, 29 mmol), tris(dibenzylideneacetone)dipalladium(0) (90 mg, 0.1 mmol) and CataCXium A (70 mg, 0.2 mmol) in THE (80 mL) and dist. water (20 mL) is heated to reflux under nitrogen atmosphere, followed by dropwise addition of a solution of [4-(4-Propylcyclohex-1-enyl)phenyl]boronic acid (11) (5.0 g, 20 mmol) in THE (20 mL). The reaction mixture is heated at reflux temperature for 2 h. Then it is cooled to room temperature and diluted with MTB ether and dist. water. The aqueous phase is separated and extracted with MTB ether. The combined organic phases are washed with brine, dried with sodium sulfate and concentrated in vacuo. The crude product is purified by silica gel chromatography (eluent heptane) and crystallized from isopropanol. 2,3-Difluoro-1-[4-(4-propylcyclohex-1-enyl)phenyl]-4-(trifluoromethyl)benzene (14) is isolated as colorless crystals.

[0383] Phase characteristics of 2,3-Difluoro-1-[4-(4-propylcyclohex-1-enyl)phenyl]-4-(trifluoromethyl)benzene (14): K 100 SmA (99) 1.

Synthesis Example 6: 2,3-Difluoro-1-[4-(4-propylcyclohexyl)phenyl]-4-(trifluoromethyl)benzene (16)

[0384] ##STR00383##

[0385] A mixture of 2,3-Difluoro-1-iodo-4-(trifluoromethyl)benzene (13) (5.5 g, 18 mmol), potassium carbonate (4.5 g, 33 mmol), tris(dibenzylideneacetone)dipalladium(0) (90 mg, 0.1 mmol) and CataCXium A (70 mg, 0.2 mmol) in THE (80 mL) and dist. water (20 mL) is heated to reflux under nitrogen atmosphere, followed by dropwise addition of a solution of [4-(4-Propylcyclohexyl)phenyl]boronic acid (15) (5.0 g, 20 mmol) in THE (20 mL). The reaction mixture is heated at reflux temperature for 2 h. Then it is cooled to room temperature and diluted with MTB ether and dist. water. The aqueous phase is separated and extracted with MTB ether. The combined organic phases are washed with brine, dried with sodium sulfate and concentrated in vacuo. The crude product is purified by silica gel chromatography (eluent heptane) and crystallized from isopropanol and heptane. 2,3-Difluoro-1-[4-(4-propylcyclohexyl)phenyl]-4-(trifluoromethyl)benzene (16) is isolated as colorless crystals.

[0386] Phase characteristics of 2,3-Difluoro-1-[4-(4-propylcyclohexyl)phenyl]-4-(trifluoromethyl)benzene (16): K 69° C. N (52° C.) 1.

Compound Examples

[0387] A compound of formula YX-1 is e.g.

##STR00384##

[0388] This compound (CLY-3-OT) has a melting point of 32° C., a clearing point of 109° C., a phase range of 32° C. N 109° C. I and a Δε of +5.8.

[0389] A compound of formula YX-2 is e.g.

##STR00385##

[0390] This compound (CCY-3-OT) has a melting point of 49° C., a clearing point of 122° C., a phase range of K 49° C. N 122° C. I and a Δε of +5.4.

[0391] A compound of formula YX-3 is e.g.

##STR00386##

[0392] This compound (PY-5-OT), has a melting point of −21° C., a clearing point of −83° C., a phase range of K−21° C. I and a Δε of +3.3.

[0393] A compound of formula YX-4 is e.g.

##STR00387##

[0394] This compound (CPY-3-OT) has a melting point of 4800, a clearing point of 10100, a phase range of K 48° C. SmA 55° C. N 101° C. I and a Δε of +5.9.

[0395] Analogously the following compounds of formula YX-1 are prepared

##STR00388##

TABLE-US-00008 R.sup.Y X.sup.Y Phase range Δϵ C.sub.7H.sub.15 F CH.sub.2═CH F CH.sub.2═CH—CH.sub.2 F CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3—CH.sub.2═CH F CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3 OCF.sub.3 K 11 N 45 I 5.4 C.sub.2H.sub.5 OCF.sub.3 K 28 N 75 I 5.4 C.sub.4H.sub.9 OCF.sub.3 K 52 N 109 I 5.4 C.sub.5H.sub.11 OCF.sub.3 K 39 N 116 I 5.4 C.sub.6H.sub.13 OCF.sub.3 K 40 N 110 I 5.3 C.sub.7H.sub.15 OCF.sub.3 CH.sub.2═CH OCF.sub.3 CH.sub.2═CH—CH.sub.2 OCF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3—CH.sub.2═CH OCF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 OCF3.sub.3 CH.sub.3 CF.sub.3 C.sub.2H.sub.5 CF.sub.3 C.sub.3H.sub.7 CF.sub.3 T.sub.g ? K 60 S.sub.B 65 N 84 I 9.4 C.sub.4H.sub.9 CF.sub.3 C.sub.5H.sub.11 CF.sub.3 C.sub.6H.sub.13 CF.sub.3 C.sub.7H.sub.15 CF.sub.3 CH.sub.2═CH CF.sub.3 CH.sub.2═CH—CH.sub.2 CF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3 CH.sub.3—CH.sub.2═CH CF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3

[0396] Analogously the following compounds of formula YX-2 are prepared

##STR00389##

TABLE-US-00009 R.sup.Y X.sup.Y Phase range Δϵ C.sub.7H.sub.15 F CH.sub.2═CH F CH.sub.2═CH—CH.sub.2 F CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3—CH.sub.2═CH F CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3 OCF.sub.3 K 27 N 41 I 5.0 C.sub.2H.sub.5 OCF.sub.3 K 31 N 80 I 5.1 C.sub.4H.sub.9 OCF.sub.3 K 51 N 121 I 5.0 C.sub.5H.sub.11 OCF.sub.3 K 49 N 129 I 5.0 C.sub.6H.sub.13 OCF.sub.3 K 59 S.sub.B (14) N 121 I 4.9 C.sub.7H.sub.15 OCF.sub.3 CH.sub.2═CH OCF.sub.3 CH.sub.2═CH—CH.sub.2 OCF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3—CH.sub.2═CH OCF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3 CF.sub.3 C.sub.2H.sub.5 CF.sub.3 C.sub.3H.sub.7 CF.sub.3 T.sub.g ? K 65 S.sub.B 79 N 82 I C.sub.4H.sub.9 CF.sub.3 C.sub.5H.sub.11 CF.sub.3 C.sub.6H.sub.13 CF.sub.3 C.sub.7H.sub.15 CF.sub.3 CH.sub.2═CH CF.sub.3 CH.sub.2═CH—CH.sub.2 CF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3 CH.sub.3—CH.sub.2═CH CF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3

[0397] Analogously the following compounds of formula YX-3 are prepared

##STR00390##

TABLE-US-00010 R.sup.Y X.sup.Y Phase range Δϵ CH.sub.3 F C.sub.2H.sub.5 F C.sub.3H.sub.7 F K 7 I 2.7 C.sub.4H.sub.9 F C.sub.5H.sub.11 F C.sub.6H.sub.13 F C.sub.7H.sub.15 F OCH.sub.3 F OC.sub.2H.sub.5 F OC.sub.3H.sub.7 F OC.sub.4H.sub.9 F OC.sub.5H.sub.11 F OC.sub.6H.sub.13 F OC.sub.7H.sub.15 F CH.sub.2═CH F CH.sub.2═CH—CH.sub.2 F CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3—CH.sub.2═CH F CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3 OCF.sub.3 C.sub.2H.sub.5 OCF.sub.3 C.sub.3H.sub.7 OCF.sub.3 C.sub.4H.sub.9 OCF.sub.3 C.sub.5H.sub.11 OCF.sub.3 K-21 I 3.3 C.sub.6H.sub.13 OCF.sub.3 C.sub.7H.sub.15 OCF.sub.3 OCH.sub.3 OCF.sub.3 OC.sub.2H.sub.5 OCF.sub.3 OC.sub.3H.sub.7 OCF.sub.3 OC.sub.4H.sub.9 OCF.sub.3 OC.sub.5H.sub.11 OCF.sub.3 K 39 SmA (22) I 5.5 OC.sub.6H.sub.13 OCF.sub.3 OC.sub.7H.sub.15 OCF.sub.3 CH.sub.2═CH OCF.sub.3 CH.sub.2═CH—CH.sub.2 OCF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3—CH.sub.2═CH OCF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3 CF.sub.3 C.sub.2H.sub.5 CF.sub.3 C.sub.3H.sub.7 CF.sub.3 C.sub.4H.sub.9 CF.sub.3 C.sub.5H.sub.11 CF.sub.3 C.sub.6H.sub.13 CF.sub.3 C.sub.7H.sub.15 CF.sub.3 OCH.sub.3 CF.sub.3 OC.sub.2H.sub.5 CF.sub.3 OC.sub.3H.sub.7 CF.sub.3 OC.sub.4H.sub.9 CF.sub.3 OC.sub.5H.sub.11 CF.sub.3 OC.sub.6H.sub.13 CF.sub.3 OC.sub.7H.sub.15 CF.sub.3 CH.sub.2═CH CF.sub.3 CH.sub.2═CH—CH.sub.2 CF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3 CH.sub.3—CH.sub.2═CH CF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3

[0398] Analogously the following compounds of formula YX-4 are prepared

##STR00391##

TABLE-US-00011 R.sup.Y X.sup.Y Phase range Δε CH.sub.3 F C.sub.2H.sub.5 F C.sub.3H.sub.7 F K 50 N 96 I 4.3 C.sub.4H.sub.9 F C.sub.5H.sub.11 F K 52 N 103 I 4.0 C.sub.6H.sub.13 F C.sub.7H.sub.15 F CH.sub.2═CH F CH.sub.2═CH—CH.sub.2 F CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3—CH.sub.2═CH F CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3 OCF.sub.3 C.sub.2H.sub.5 OCF.sub.3 C.sub.4H.sub.9 OCF.sub.3 C.sub.5H.sub.11 OCF.sub.3 C.sub.6H.sub.13 OCF.sub.3 C.sub.7H.sub.15 OCF.sub.3 CH.sub.2═CH OCF.sub.3 CH.sub.2═CH—CH.sub.2 OCF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3—CH.sub.2═CH OCF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3 CF.sub.3 C.sub.2H.sub.5 CF.sub.3 C.sub.3H.sub.7 CF.sub.3 K 69 N (52) I 10.2 C.sub.4H.sub.9 CF.sub.3 C.sub.5H.sub.11 CF.sub.3 C.sub.6H.sub.13 CF.sub.3 C.sub.7H.sub.15 CF.sub.3 CH.sub.2═CH CF.sub.3 CH.sub.2═CH—CH.sub.2 CF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3 CH.sub.3—CH.sub.2═CH CF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3

[0399] Analogously the following compounds of formula YX-5 are prepared

##STR00392##

TABLE-US-00012 R.sup.Y X.sup.Y Phase range Δε CH.sub.3 F C.sub.2H.sub.5 F C.sub.3H.sub.7 F C.sub.4H.sub.9 F C.sub.5H.sub.11 F C.sub.6H.sub.13 F C.sub.7H.sub.15 F CH.sub.2═CH F CH.sub.2═CH—CH.sub.2 F CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3—CH.sub.2═CH F CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 F CH.sub.3 OCF.sub.3 C.sub.2H.sub.5 OCF.sub.3 C.sub.4H.sub.9 OCF.sub.3 C.sub.5H.sub.11 OCF.sub.3 C.sub.6H.sub.13 OCF.sub.3 C.sub.7H.sub.15 OCF.sub.3 CH.sub.2═CH OCF.sub.3 CH.sub.2═CH—CH.sub.2 OCF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3—CH.sub.2═CH OCF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 OCF.sub.3 CH.sub.3 CF.sub.3 C.sub.2H.sub.5 CF.sub.3 C.sub.3H.sub.7 CF.sub.3 K 100 S.sub.A (99) I 11.8 C.sub.4H.sub.9 CF.sub.3 C.sub.6H.sub.11 CF.sub.3 C.sub.6H.sub.13 CF.sub.3 C.sub.7H.sub.15 CF.sub.3 CH.sub.2═CH CF.sub.3 CH.sub.2═CH—CH.sub.2 CF.sub.3 CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3 CH.sub.3—CH.sub.2═CH CF.sub.3 CH.sub.3—CH.sub.2═CH—[CH.sub.2].sub.2 CF.sub.3

[0400] The compound CLY-1-OT is nematic at ambient temperature and, hence, may be directly investigated with respect to its properties. It has the following physical properties:

TABLE-US-00013 Compound: CLY-1-OT Physical properties T (N, I) = 47.0 ° C. n.sub.e (20° C., 589 nm) = 1.5513 Δn (20° C., 589 nm) = 0.0900 ε.sub.∥ (20°, 1 kHz) = 11.4 ε.sub.⊥ (20°, 1 kHz) = 7.1 Δε (20°, 1 kHz) = 4.3 ε.sub.av. (20°, 1 kHz) = 8.5 γ.sub.1 (20° C.) = 135 mPa.Math.s k.sub.11 (20° C.) = 7.5 pN k.sub.22 (20° C.) = t.b.d. pN k.sub.33 (20° C.) = 10.1 pN V.sub.0 (20° C.) = 1.37 V Remark: t.b.d.: to be determined

Mixture Examples

[0401] In the following are exemplary mixtures disclosed.

Comparative Example A

[0402] The following host mixture, mixture A, is prepared and investigated.

TABLE-US-00014 Mixture A Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CC-3-V 31.5 T (N, I) = 78.5 ° C. 2 CC-3-V1 6.5 n.sub.e (20° C., 589 nm) = 1.5876 3 CCP-V-1 6.5 Δn (20° C., 589 nm) = 0.1001 4 CCP-V2-1 12.0 ε.sub.∥ (20°, 1 kHz) = 9.0 5 CCP-3-3 6.0 ε.sub.⊥ (20°, 1 kHz) = 3.0 6 PP-1-2V1 5.0 Δε (20°, 1 kHz) = 6.0 7 CPGP-5-2 2.0 ε.sub.av. (20°, 1 kHz) = 5.0 8 PUQU-3-F 20.0 γ.sub.1 (20° C.) = 64 mPa.Math.s 9 APUQU-2-F 5.0 k.sub.11 (20° C.) = 13.3 pN Σ 100.0 k.sub.22 (20° C.) = t.b.d. pN k.sub.33 (20° C.) = 15.5 pN V.sub.0 (20° C.) = 1.77 V Remark: t.b.d.: to be determined

[0403] This comparative mixture, mixture A, has a dielectric ratio (ε.sub.⊥/Δε) of 0.50, a ratio of (γ.sub.1/k.sub.11) of 4.81 mPa.Math.s/pN and is characterized a moderately good transmission in an FFS display and shows an at best acceptable short response time.

TABLE-US-00015 TABLE 1 Example CE-A A-1 A-2 A-3 Composition Cpd. None CLY-3-F CLY-3-F CLY-3-T c(Cpd.)/% 0.0 10.0 20.0 10.0 c(Host A)/% 100.0 90.0 80.0 90.0 Properties T (N, 1)/° C. 78.5 82.0 84.0 80.5 n.sub.e (589 nm) 1.5875 1.5887 1.5889 1.5876 Δn (589 nm) 0.1001 0.1015 0.1020 0.1020 ε.sub.∥ (1 kHz) 9.0 9.1 9.1 9.9 ε.sub.⊥ (1 kHz) 3.0 3.3 3.5 3.3 Δε (1 kHz) 6.0 5.8 5.6 6.3 ε.sub.av. (1 kHz) 5.0 γ.sub.1/mPa.Math.s 64 71 77 74 k.sub.11/pN 13.3 13.9 14.3 14.5 k.sub.33/pN) 15.5 16.2 16.9 16.0 V.sub.0/V 1.77 1.63 1.68 1.59 Example CE-A A-4 A-5 A-6 Composition Cpd. None CLY-1-OT CLY-2-OT CLY-3-OT c(Cpd.)/% 0.0 10.0 10.0 10 c(Host A)/% 100.0 90.0 90.0 90 Properties T (N, I)/° C. 78.5 76.0 78.5 81.0 n.sub.e (589 nm) 1.5875 1.5847 1.5855 1.5855 Δn (589 nm) 0.1001 0.0997 0.1003 0.1008 ε.sub.∥ (1 kHz) 9.0 9.1 9.1 9.1 ε.sub.⊥ (1 kHz) 3.0 3.3 3.3 3.2 Δε (1 kHz) 6.0 5.8 5.9 5.9 ε.sub.av. (1 kHz) 5.0 γ.sub.1/mPa.Math.s 64 65 67 70 k.sub.11/pN 13.3 13.0 13.2 13.8 k.sub.33/pN) 15.5 15.0 14.8 15.8 V.sub.0/V 1.77 1.57 1.50 1.61 Example CE-A A-7 A-8 A-9 Composition Cpd. None CLY-1-OT CLY-2-OT CLY-3-OT c(Cpd.)/% 0.0 10.0 10.0 10 c(Host A)/% 100.0 90.0 90.0 90 Properties T (N, I)/° C. 78.5 76.0 78.5 81.0 n.sub.e (589 nm) 1.5875 1.5847 1.5855 1.5855 Δn (589 nm) 0.1001 0.0997 0.1003 0.1008 ε.sub.∥ (1 kHz) 9.0 9.1 9.1 9.1 ε.sub.⊥ (1 kHz) 3.0 3.3 3.3 3.2 Δε (1 kHz) 6.0 5.8 5.9 5.9 ε.sub.av. (1 kHz) 5.0 γ.sub.1/mPa.Math.s 64 65 67 70 k.sub.11/pN 13.3 13.0 13.2 13.8 k.sub.33/pN) 15.5 15.0 14.8 15.8 V.sub.0/V 1.77 1.57 1.57 1.61 Example CE-A A-10 A-11 A-12 Composition Cpd. None CLY-4-OT CLY-5-OT CLY-6-OT c(Cpd.)/% 0.0 10.0 10.0 10 c(Host A)/% 100.0 90.0 90.0 90 Properties T (N, I)/° C. 78.5 81.0 82.0 81.5 n.sub.e (589 nm) 1.5875 1.5849 1.5860 1.5851 Δn (589 nm) 0.1001 0.1003 0.1013 0.1008 ε.sub.∥ (1 kHz) 9.0 9.1 9.1 9.0 ε.sub.⊥ (1 kHz) 3.0 3.2 3.2 3.2 Δε (1 kHz) 6.0 5.9 5.9 5.8 ε.sub.av. (1 kHz) 5.0 γ.sub.1/mPa.Math.s 64 69 72 72 k.sub.11/pN 13.3 13.7 14.0 13.7 k.sub.33/pN) 15.5 15.3 15.7 15.3 V.sub.0/V 1.77 1.60 1.62 1.62 Example CE-A A-13 A-14 A-15 Composition Cpd. None CCY-1-OT CCY-2-OT CCY-3-OT c(Cpd.)/% 0.0 10.0 10.0 10 c(Host A)/% 100.0 90.0 90.0 90 Properties T (N, I)/° C. 78.5 78.5 78.5 t.b.d. ne(589 nm) 1.5875 1.5816 1.5823 An(589 nm) 0.1001 0.0977 0.0981 611(1 kHz) 9.0 9.1 9.2 c_L(1 kHz) 3.0 3.3 3.2 Ac(1 kHz) 6.0 5.8 5.9 Eav (1 kHz) 5.0 yi/mPa.Math.s 64 67 68 kii/pN 13.3 12.7 13.0 k33/pN) 15.5 14.8 14.8 Vo/V 1.77 1.56 1.57 Example CE-A A-16 A-17 A-18 Composition Cpd. None CCY-4-OT CCY-5-OT CCY-6-OT c(Cpd.)/% 0.0 10 10.0 10.0 c(Host A)/% 100.0 90.0 90.0 90.0 Properties T (N, I)/° C. 78.5 81.5 82.0 82.0 n.sub.e (589 nm) 1.5875 1.5828 1.5828 1.5827 Δn (589 nm) 0.1001 0.0987 0.0989 0.0985 ε.sub.∥ (1 kHz) 9.0 9.0 9.0 9.0 ε.sub.⊥ (1 kHz) 3.0 3.2 3.2 3.2 Δε (1 kHz) 6.0 5.8 5.8 5.8 ε.sub.av. (1 kHz) 5.0 γ.sub.1/mPa.Math.s 64 70 72 73 k.sub.11/pN 13.3 13.5 13.6 13.6 k.sub.33/pN) 15.5 15.3 15.8 15.2 V.sub.0/V 1.77 1.60 1.62 1.5 Example CE-A A-19 A-20 A-21 Composition Cpd. None PY-3-F PY-5-OT PY-50-OT c(Cpd.)/% 0.0 10.0 10.0 10 c(Host A)/% 100.0 90.0 90.0 90 Properties T (N, I)/° C. 78.5 58.0 ? 62.5 ? 67.0 n.sub.e (589 nm) 1.5875 1.5859 1.5829 1.5857 Δn (589 nm) 0.1001 0.0966 0.0977 0.1006 ε.sub.∥ (1 kHz) 9.0 9.0 9.0 9.3 ε.sub.⊥ (1 kHz) 3.0 3.5 3.4 3.4 Δε (1 kHz) 6.0 5.4 5.6 5.9 ε.sub.av. (1 kHz) 5.0 γ.sub.1/mPa.Math.s 64 t.b.d. 67 61 k.sub.11/pN 13.3 10.3 11.2 12.1 k.sub.33/pN) 15.5 11.6 12.6 12.9 V.sub.0/V 1.77 1.44 1.48 1.51 Example CE-A A-22 Composition Cpd. None CPY-3-F c(Cpd.)/% 0.0 10.0 c(Host A)/% 100.0 90.0 Properties T (N, I)/° C. 78.5 79.5 n.sub.e (589 nm) 1.5875 1.5933 Δn (589 nm) 0.1001 0.10417 ε.sub.∥ (1 kHz) 9.0 9.1 ε.sub.⊥ (1 kHz) 3.0 3.3 Δε (1 kHz) 6.0 5.8 ε.sub.av. (1 kHz) 5.0 γ.sub.1/mPa.Math.s 64 65 k.sub.11/pN 13.3 13.4 k.sub.33/pN) 15.5 15.8 V.sub.0/V 1.77 1.60 Remark: all values (except clearing point) at 20° C.

Example 1

[0404] The following mixture (M-1) is prepared and investigated.

TABLE-US-00016 Mixture 1 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 10.0 T (N, I) = 82.0° C. 2 CC-3-V 45.0 n.sub.e (20° C., 589 nm) = 1.5910 3 CC-3-V1 7.0 Δn (20° C., 589 nm) = 0.1068 4 CCVC-3-V 3.0 ε.sub.∥ (20°, 1 kHz) = 8.1 5 CLP-V-1 7.0 ε.sub.⊥ (20°, 1 kHz) = 3.2 6 PGP-2-2V 8.5 Δε (20°, 1 kHz) = 5.0 7 CDU-2-F 3.0 ε.sub.av. (20°, 1 kHz) = 4.8 8 PGU-3-F 6.0 γ.sub.1 (20° C.) = 59 mPa.Math.s 9 PPGU-3-F 0.5 k.sub.11 (20° C.) = 14.1 pN 10 APUQU-3-F 3.0 k.sub.22 (20° C.) = t.b.d. pN 11 PGUQU-3-F 3.0 k.sub.33 (20° C.) = 14.8 pN 12 PGUQU-4-F 4.0 V.sub.0 (20° C.) = 1.78 V Σ 100.0 Remark: t.b.d.: to be determined

[0405] This mixture, mixture M-1, has a dielectric ratio (ε.sub.⊥/Δε) of 0.64, a ratio of (γ.sub.1/k.sub.11) of 4.18 mPa.Math.s/pN and is characterized by a very good transmission in an FFS display and shows a very short response time.

Example 2

[0406] The following mixture (M-2) is prepared and investigated.

TABLE-US-00017 Mixture 2 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-T 14.0 T (N, I) = 79.0° C. 2 CC-3-V 45.0 n.sub.e (20° C., 589 nm) = 1.5900 3 CC-3-V1 7.0 Δn (20° C., 589 nm) = 0.1050 4 CCVC-3-V 1.0 ε.sub.∥ (20°, 1 kHz) = 7.6 5 CLP-V-1 7.0 ε.sub.⊥ (20°, 1 kHz) = 3.3 6 PGP-2-2V 12.0 Δε (20°, 1 kHz) = 4.3 7 CDU-2-F 4.0 ε.sub.av. (20°, 1 kHz) = 4.7 8 PGU-3-F 4.0 γ.sub.1 (20° C.) = 58 mPa.Math.s 9 PPGU-3-F 0.5 k.sub.11 (20° C.) = 15.0 pN 10 DGUQU-4-F 3.0 k.sub.22 (20° C.) = t.b.d. pN 11 PGUQU-4-F 2.5 k.sub.33 (20° C.) = 14.8 pN Σ 100.0 V.sub.0 (20° C.) = 1.96 V Remark: t.b.d.: to be determined

[0407] This mixture, mixture M-2, has a dielectric ratio (ε.sub.⊥/Δε) of 0.77, a ratio of (γ.sub.1/k.sub.11) of 3.87 mPa.Math.s/pN and is characterized by a good transmission in an FFS display and shows a short response time.

Example 3

[0408] The following mixture (M-3) is prepared and investigated.

TABLE-US-00018 Mixture 3 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 14.0 T (N, I) = 80.0 ° C. 2 CC-3-V 44.0 n.sub.e (20° C., 589 nm) = 1.5938 3 CC-3-V1 7.0 Δn (20° C., 589 nm) = 0.1066 4 CLP-V-1 7.0 ε.sub.∥ (20°, 1 kHz) = 7.6 5 PGP-2-2V 12.0 ε.sub.⊥ (20°, 1 kHz) = 3.3 6 CDU-2-F 4.0 Δε (20°, 1 kHz) = 4.2 7 PGU-3-F 4.0 ε.sub.av. (20°, 1 kHz) = 4.6 8 PPGU-3-F 0.5 γ.sub.1 (20° C.) = 57 mPa.Math.s 9 DGUQU-4-F 4.0 k.sub.11 (20° C.) = 13.9 pN 10 PGUQU-4-F 3.5 k.sub.22 (20° C.) = t.b.d. pN Σ 100.0 k.sub.33 (20° C.) = 15.3 pN V.sub.0 (20° C.) = 1.91 V Remark: t.b.d.: to be determined

[0409] This mixture, mixture M-3, has a dielectric ratio (ε.sub.⊥/Δε) of 0.79, a ratio of (γ.sub.1/k.sub.11) of 4.10 mPa.Math.s/pN and is characterized by a good transmission in an FFS display and shows a short response time.

Example 4

[0410] The following mixture (M-4) is prepared and investigated.

TABLE-US-00019 Mixture 4 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CCY-3-OT 14.0 T (N, I) = 79.5° C. 2 CC-3-V 44.5 n.sub.e (20° C., 589 nm) = 1.5814 3 CC-3-V1 7.0 Δn (20° C., 589 nm) = 0.0998 4 CCVC-3-V 2.0 ε.sub.∥ (20°, 1 kHz) = 7.5 5 CLP-V-1 7.0 ε.sub.⊥ (20°, 1 kHz) = 3.2 6 PGP-2-2V 8.0 Δε (20°, 1 kHz) = 4.3 7 CDU-2-F 5.0 ε.sub.av. (20°, 1 kHz) = 4.6 8 PGU-3-F 6.0 γ.sub.1 (20° C.) = 56 mPa.Math.s 9 PPGU-3-F 0.5 k.sub.11 (20° C.) = 13.3 pN 10 PGUQU-3-F 3.0 k.sub.22 (20° C.) = t.b.d. pN 11 PGUQU-4-F 3.0 k.sub.33 (20° C.) = 14.5 pN Σ 100.0 V.sub.0 (20° C.) = 1.87 V Remark: t.b.d.: to be determined

[0411] This mixture, mixture M-4, has a dielectric ratio (ε.sub.⊥/Δε) of 0.74, a ratio of (γ.sub.1/k.sub.11) of 4.21 mPa.Math.s/pN and is characterized by a good transmission in an FFS display and shows a short response time.

Example 5

[0412] The following mixture (M-5) is prepared and investigated.

TABLE-US-00020 Mixture 5 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 14.0 T (N, I) = 79.5° C. 2 CC-3-V 44.5 n.sub.e (20° C., 589 nm) = 1.5848 3 CC-3-V1 7.0 Δn (20° C., 589 nm) = 0.1020 4 CCVC-3-V 2.0 ε.sub.∥ (20°, 1 kHz) = 7.5 5 CLP-V-1 7.0 ε.sub.⊥ (20°, 1 kHz) = 3.2 6 PGP-2-2V 8.0 Δε (20°, 1 kHz) = 4.3 7 CDU-2-F 5.0 ε.sub.av. (20°, 1 kHz) = 4.6 8 PGU-3-F 6.0 γ.sub.1 (20° C.) = 56 mPa.Math.s 9 PPGU-3-F 0.5 k.sub.11 (20° C.) = 13.8 pN 10 PGUQU-3-F 3.0 k.sub.22 (20° C.) = t.b.d. pN 11 PGUQU-4-F 3.0 k.sub.33 (20° C.) = 14.3 pN Σ 100.0 V.sub.0 (20° C.) = 1.89 V Remark: t.b.d.: to be determined

[0413] This mixture, mixture M-5, has a dielectric ratio (ε.sub.⊥/Δε) of 0.74, a ratio of (γ.sub.1/k.sub.11) of 4.06 mPa.Math.s/pN and is characterized by a good transmission in an FFS display and shows a short response time.

Example 6

[0414] The following mixture (M-6) is prepared and investigated.

TABLE-US-00021 Mixture 6 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 15.0 T (N, I) = 84.0° C. 2 LB-3-T 10.0 n.sub.e (20° C., 589 nm) = 1.5930 3 LB(S)-3-OT 14.0 Δn (20° C., 589 nm) = 0.1140 4 CC-3-V 43.5 ε.sub.∥ (20°, 1 kHz) = 9.7 5 PP-1-2V1 2.0 ε.sub.⊥ (20°, 1 kHz) = 5.2 6 CLP-V-1 2.0 Δε (20°, 1 kHz) = 4.5 7 CLP-3-T 2.0 ε.sub.av. (20°, 1 kHz) = 6.7 8 PPGU-3-F 0.5 γ.sub.1 (20° C.) = 81 mPa.Math.s 9 DPGU-4-F 4.0 k.sub.11 (20° C.) = 17.4 pN 10 PGUQU-4-F 3.0 k.sub.22 (20° C.) = t.b.d. pN 11 DGUQU-4-F 4.0 k.sub.33 (20° C.) = 15.8 pN Σ 100.0 V.sub.0 (20° C.) = 2.06 V Remark: t.b.d.: to be determined

[0415] This mixture, mixture M-6, has a dielectric ratio (ε.sub.⊥/Δε) of 1.16, a ratio of (γ.sub.1/k.sub.11) of 4.66 mPa.Math.s/pN and is characterized by a good transmission

Example 7

[0416] The following mixture (M-7) is prepared and investigated.

TABLE-US-00022 Mixture 7 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CCY-4-OT 10.0 T (N, I) = 82.0° C. 2 CCY-5-OT 10.0 n.sub.e (20° C., 589 nm) = 1.5837 3 CC-3-V 37.0 Δn (20° C., 589 nm) = 0.1009 4 CC-3-V1 8.0 ε.sub.∥ (20°, 1 kHz) = 5.5 5 CCP-V-1 5.0 ε.sub.⊥ (20°, 1 kHz) = 3.0 6 CCP-V2-1 2.0 Δε (20°, 1 kHz) = 2.5 7 PP-1-2V1 8.0 ε.sub.av. (20°, 1 kHz) = 3.8 8 CLP-V-1 3.0 γ.sub.1 (20° C.) = t.b.d. mPa.Math.s 9 PGP-2-3 5.0 k.sub.11 (20° C.) = 15.8 pN 10 PGP-2-2V 4.5 k.sub.22 (20° C.) = t.b.d. pN 11 CLP-3-T 3.5 k.sub.33 (20° C.) = 15.3 pN 12 APUQU-3-F 1.5 V.sub.0 (20° C.) = 2.68 V 13 DGUQU-4-F 2.5 Σ 100.0 Remark: t.b.d.: to be determined

[0417] This mixture, mixture M-7, has a dielectric ratio (ε.sub.⊥/Δε) of 1.20 and is characterized by a good transmission in an FFS.

Example 8

[0418] The following mixture (M-8) is prepared and investigated.

TABLE-US-00023 Mixture 8 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CCY-4-OT 10.0 T(N, I) = 80.5° C. 2 CC-3-V 42.0 n.sub.e (20° C., 589 nm) = 1.5835 3 CC-3-V1 8.0 Δn (20° C., 589 nm) = 0.0979 4 CCP-V-1 9.0 ε.sub.∥ (20°, 1 kHz) = 5.2 5 CCP-V2-1 8.0 ε.sub.⊥ (20°, 1 kHz) = 2.8 6 PP-1-2V1 7.5 Δε (20°, 1 kHz) = 2.4 7 PGP-2-3 5.0 ε.sub.av. (20°, 1 kHz) = 3.6 8 PGP-2-2V 3.5 γ.sub.1 (20° C.) = 56 mPa.Math.s 9 PPGU-3-F 0.5 k.sub.11 (20° C.) = 14.5 pN 10 APUQU-3-F 3.0 k.sub.22 (20° C.) = t.b.d. pN 11 DGUQU-4-F 3.5 k.sub.33 (20° C.) = 15.7 pN Σ 100.0 V.sub.0 (20° C.) = 2.60 V Remark: t.b.d.: to be determined

[0419] This mixture, mixture M-8, has a dielectric ratio (ε.sub.⊥/Δε) of 1.17, a ratio of (γ.sub.1/k.sub.11) of 3.86 mPa.Math.s/pN and is characterized by a good transmission in an FFS display and shows a short response time.

Example 9

[0420] The following mixture (M-9) is prepared and investigated.

TABLE-US-00024 Mixture 9 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 20.0 T(N, I) = 81.0° C. 2 CC-3-V 37.0 n.sub.e (20° C., 589 nm) = 1.5793 3 CC-3-V1 10.0 Δn (20° C., 589 nm) = 0.0975 4 CCP-V-1 7.0 ε.sub.∥ (20°, 1 kHz) = 5.6 5 CCP-V2-1 6.5 ε.sub.⊥ (20°, 1 kHz) = 3.0 6 PP-1-2V1 7.5 Δε (20°, 1 kHz) = 2.6 7 PGP-2-3 6.0 ε.sub.av. (20°, 1 kHz) = 3.8 8 PPGU-3-F 0.5 γ.sub.1 (20° C.) = 59 mPa.Math.s 9 APUQU-3-F 3.5 k.sub.11 (20° C.) = 15.3 pN 11 DGUQU-4-F 2.0 k.sub.22 (20° C.) = t.b.d. pN Σ 100.0 k.sub.33 (20° C.) = 16.2 pN V.sub.0 (20° C.) = 2.58 V Remark: t.b.d.: to be determined

[0421] This mixture, mixture M-9, has a dielectric ratio (ε.sub.⊥/Δε) of 1.15, a ratio of (γ.sub.1/k.sub.11) of 3.85 mPa.Math.s/pN and is characterized by a good transmission in an FFS display and shows a short response time.

Example 10

[0422] The following mixture (M-10) is prepared and investigated.

TABLE-US-00025 Mixture 10 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CCY-4-OT 20.0 T(N, I) = 82.0° C. 2 CC-3-V 37.0 n.sub.e(20° C., 589 nm) = 1.5813 3 CC-3-V1 8.0 Δn(20° C., 589 nm) = 0.0986 4 CCP-V-1 8.0 ε.sub.∥(20°, 1 kHz) = 5.4 5 CCP-V2-1 5.0 ε.sub.⊥(20°, 1 kHz) = 3.0 6 PP-1-2V1 7.5 Δε(20°, 1 kHz) = 2.4 7 PGP-2-3 5.0 ε.sub.av.(20°, 1 kHz) = 2.8 8 PGP-2-2V 4.0 γ.sub.1(20° C.) = 61 mPa .Math. s 9 PPGU-3-F 0.5 k.sub.11(20° C.) = 14.7 pN 10 APUQU-3-F 2.5 k.sub.22(20° C.) = t.b.d. pN 11 DGUQU-4-F 2.5 k.sub.33(20° C.) = 15.2 pN Σ 100.0 V.sub.0(20° C.) = 2.60 V ε.sub.⊥/Δε = 1.25 γ.sub.1/k.sub.11 = 4.15 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0423] This mixture, mixture M-10, is characterized by a good transmission in an FFS display and shows a short response time.

Example 11

[0424] The following mixture (M-11) is prepared and investigated.

TABLE-US-00026 Mixture 11 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 10.0 T(N, I) = 81.0° C. 2 CC-3-V 41.5 n.sub.e(20° C., 589 nm) = 1.5844 3 CC-3-V1 8.5 Δn(20° C., 589 nm) = 0.0989 4 CCP-V-1 10.0 ε.sub.∥(20°, 1 kHz) = 5.4 5 CCP-V2-1 8.0 ε.sub.⊥(20°, 1 kHz) = 2.8 6 PP-1-2V1 7.5 Δε(20°, 1 kHz) = 2.6 7 PGP-2-3 6.5 ε.sub.av.(20°, 1 kHz) = 3.7 8 PPGU-3-F 0.5 γ.sub.1(20° C.) = 55 mPa .Math. s 9 APUQU-3-F 3.5 k.sub.11(20° C.) = 14.8 pN 10 PGUQU-3-F 2.0 k.sub.22(20° C.) = t.b.d. pN 11 DGUQU-4-F 3.0 k.sub.33(20° C.) = 16.2 pN Σ 100.0 V.sub.0(20° C.) = 2.53 V ε.sub.⊥/Δε = 1.08 γ.sub.1/k.sub.11 = 3.72 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0425] This mixture, mixture M-11, is characterized by a good transmission in an FFS display and shows a short response time.

Example 12

[0426] The following mixture (M-12) is prepared and investigated.

TABLE-US-00027 Mixture 12 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 10.0 T(N, I) = 81.0° C. 2 CLY-4-OT 10.0 n.sub.e(20° C., 589 nm) = 1.5829 3 CLY-5-OT 10.0 Δn(20° C., 589 nm) = 0.0999 4 CC-3-V 40.0 ε.sub.∥(20°, 1 kHz) = 5.9 5 CC-3-V1 1.5 ε.sub.⊥(20°, 1 kHz) = 3.3 6 CCP-V-1 2.5 Δε(20°, 1 kHz) = 2.5 7 CCP-V2-1 2.0 ε.sub.av.(20°, 1 kHz) = 4.2 8 CLP-V-1 4.0 γ.sub.1(20° C.) = 63 mPa .Math. s 9 PP-1-2V1 7.0 k.sub.11(20° C.) = 15.5 pN 10 PGP-2-3 7.0 k.sub.22(20° C.) = t.b.d. pN 11 CLP-3-T 3.0 k.sub.33(20° C.) = 15.3 pN 12 DGUQU-4-F 3.0 V.sub.0(20° C.) = 2.61 V Σ 100.0 ε.sub.⊥/Δε = 1.32 γ.sub.1/k.sub.11 = 4.06 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0427] This mixture, mixture M-12, is characterized by a good transmission in an FFS display and shows a short response time.

Example 13

[0428] The following mixture (M-13) is prepared and investigated.

TABLE-US-00028 Mixture 13 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 6.0 T(N, I) = 105.0° C. 2 CC-3-V 32.5 n.sub.e(20° C., 589 nm) = 1.6128 3 CC-3-V1 4.0 Δn(20° C., 589 nm) = 0.1202 4 CCP-V-1 12.0 ε.sub.∥(20°, 1 kHz) = 6.6 5 CCP-V2-1 3.5 ε.sub.⊥(20°, 1 kHz) = 2.9 6 CLP-V-1 7.0 Δε(20°, 1 kHz) = 3.7 7 CCVC-3-V 4.0 ε.sub.av.(20°, 1 kHz) = 4.1 8 PP-1-2V1 4.0 γ.sub.1(20° C.) = 86 mPa .Math. s 9 PGP-1-2V 3.5 k.sub.11(20° C.) = 17.5 pN 10 PGP-2-2V 6.0 k.sub.22(20° C.) = t.b.d. pN 11 CPGP-5-3 3.0 k.sub.33(20° C.) = 20.5 pN 12 PPGU-3-T 0.5 V.sub.0(20° C.) = 2.30 V 13 CPGU-3-OT 4.0 ε.sub.⊥/Δε = 0.78 14 PUQU-3-F 6.0 γ.sub.1/k.sub.11 = 4.91 mPa .Math. s/pN 15 CDUQU-3-F 2.0 16 APUQU-3-F 2.0 Σ 100.0 Remark: t.b.d.: to be determined

[0429] This mixture, mixture M-13, is characterized by a good transmission in an FFS display and shows a short response time.

Example 14

[0430] The following mixture (M-14) is prepared and investigated.

TABLE-US-00029 Mixture 14 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-1-OT 6.0 T(N, I) = 103.0° C. 2 CC-3-V 32.0 n.sub.e(20° C., 589 nm) = 1.6121 3 CC-3-V1 4.0 Δn(20° C., 589 nm) = 0.1205 4 CCP-V-1 12.0 ε.sub.∥(20°, 1 kHz) = 6.5 5 CCP-V2-1 4.0 ε.sub.⊥(20°, 1 kHz) = 2.9 6 CLP-V-1 7.0 Δε(20°, 1 kHz) = 3.6 7 CCVC-3-V 4.0 ε.sub.av.(20°, 1 kHz) = 4.1 8 PP-1-2V1 4.0 γ.sub.1(20° C.) = 81 mPa .Math. s 9 PGP-1-2V 4.0 k.sub.11(20° C.) = 17.2 pN 10 PGP-2-2V 6.0 k.sub.22(20° C.) = t.b.d. pN 11 CPGP-5-3 3.0 k.sub.33(20° C.) = 19.0 pN 12 PPGU-3-T 0.5 V.sub.0(20° C.) = 2.31 V 13 CPGU-3-OT 4.0 ε.sub.⊥/Δε = 0.81 14 PUQU-3-F 6.0 γ.sub.1/k.sub.11 = 4.71 mPa .Math. s/pN 15 CDUQU-3-F 1.5 16 APUQU-3-F 2.0 Σ 100.0 Remark: t.b.d.: to be determined

[0431] This mixture, mixture M-14, is characterized by a good transmission in an FFS display and shows a short response time.

Example 15

[0432] The following mixture (M-15) is prepared and investigated.

TABLE-US-00030 Mixture 15 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-T 5.0 T(N, I) = 104.5° C. 2 CC-3-V 32.5 n.sub.e(20° C., 589 nm) = 1.6113 3 CC-3-V1 4.0 Δn(20° C., 589 nm) = 0.1195 4 CCP-V-1 12.0 ε.sub.∥(20°, 1 kHz) = 6.7 5 CCP-V2-1 5.0 ε.sub.⊥(20°, 1 kHz) = 2.9 6 CLP-V-1 7.0 Δε(20°, 1 kHz) = 3.8 7 CCVC-3-V 4.0 ε.sub.av.(20°, 1 kHz) = 4.2 8 PP-1-2V1 4.0 γ.sub.1(20° C.) = 85 mPa .Math. s 9 PGP-1-2V 3.5 k.sub.11(20° C.) = 17.9 pN 10 PGP-2-2V 6.0 k.sub.22(20° C.) = t.b.d. pN 11 CPGP-5-3 3.0 k.sub.33(20° C.) = 18.8 pN 12 PPGU-3-T 0.5 V.sub.0(20° C.) = 2.29 V 13 CPGU-3-OT 3.0 ε.sub.⊥/Δε = 0.76 14 PUQO-3-F 6.0 γ.sub.1/k.sub.11 = 4.75 mPa .Math. s/pN 15 CDUQU-3-F 3.0 16 APUQU-3-F 2.5 Σ 100.0 Remark: t.b.d.: to be determined

[0433] This mixture, mixture M-15, is characterized by a good transmission in an FFS display and shows a short response time.

Example 16

[0434] The following mixture (M-16) is prepared and investigated.

TABLE-US-00031 Mixture 16 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-1-OT 5.0 T(N, I) = 104.5° C. 2 CC-3-V 32.5 n.sub.e(20° C., 589 nm) = 1.6123 3 CC-3-V1 4.5 Δn(20° C., 589 nm) = 0.1207 4 CCP-V-1 12.0 ε.sub.∥(20°, 1 kHz) = 6.7 5 CCP-V2-1 3.0 ε.sub.⊥(20°, 1 kHz) = 2.9 6 CLP-V-1 7.0 Δε(20°, 1 kHz) = 3.8 7 CCVC-3-V 4.0 ε.sub.av.(20°, 1 kHz) = 4.2 8 PP-1-2V1 3.5 γ.sub.1(20° C.) = 85 mPa .Math. s 9 PGP-1-2V 4.5 k.sub.11(20° C.) = 17.3 pN 10 PGP-2-2V 5.0 k.sub.22(20° C.) = t.b.d. pN 11 CPGP-5-2 2.0 k.sub.33(20° C.) = 18.4 pN 12 CPGP-5-3 2.0 V.sub.0(20° C.) = 2.24 V 13 CPGU-3-OT 4.0 ε.sub.⊥/Δε = 0.76 14 PPGU-3-T 0.5 γ.sub.1/k.sub.11 = 4.91 mPa .Math. s/pN 15 PUQU-3-F 6.0 16 CDUQU-3-F 2.0 17 APUQU-3-F 2.0 Σ 100.0 Remark: t.b.d.: to be determined

Example 17

[0435] The following mixture (M-17) is prepared and investigated.

TABLE-US-00032 Mixture 17 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 6.0 T(N, I) = 104.0° C. 2 CC-3-V 33.0 n.sub.e(20° C., 589 nm) = 1.6112 3 CC-3-V1 4.0 Δn(20° C., 589 nm) = 0.1202 4 CCP-V-1 12.0 ε.sub.∥(20°, 1 kHz) = 6.4 5 CCP-V2-1 3.0 ε.sub.⊥(20°, 1 kHz) = 2.9 6 CLP-V-1 7.0 Δε(20°, 1 kHz) = 3.6 7 CCVC-3-V 4.0 ε.sub.av.(20°, 1 kHz) = 4.1 8 PP-1-2V1 4.0 γ.sub.1(20° C.) = 86 mPa .Math. s 9 PGP-1-2V 4.0 k.sub.11(20° C.) = 17.4 pN 10 PGP-2-2V 6.0 k.sub.22(20° C.) = t.b.d. pN 11 CPGP-5-3 3.0 k.sub.33(20° C.) = 19.4 pN 12 CPGU-3-OT 4.0 V.sub.0(20° C.) = 2.33 V 13 PPGU-3-F 0.5 ε.sub.⊥/Δε = 0.81 14 PUQO-3-F 6.0 γ.sub.1/k.sub.11 = 4.94 mPa .Math. s/pN 15 CDUQU-3-F 1.5 16 APUQU-3-F 2.0 Σ 100.0 Remark: t.b.d.: to be determined

[0436] This mixture, mixture M-17, is characterized by a good transmission in an FFS display and shows a short response time.

Example 18

[0437] The following mixture (M-18) is prepared and investigated.

TABLE-US-00033 Mixture 18 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-4-OT 6.0 T(N, I) = 104.0° C. 2 CC-3-V 33.0 n.sub.e(20° C., 589 nm) = 1.6113 3 CC-3-V1 4.0 Δn(20° C., 589 nm) = 0.1200 4 CCP-V-1 12.0 ε.sub.∥(20°, 1 kHz) = 6.5 5 CCP-V2-1 3.0 ε.sub.⊥(20°, 1 kHz) = 2.9 6 CLP-V-1 7.0 Δε(20°, 1 kHz) = 3.6 7 CCVC-3-V 4.0 ε.sub.av.(20°, 1 kHz) = 4.1 8 PP-1-2V1 4.0 γ.sub.1(20° C.) = 82 mPa .Math. s 9 PGP-1-2V 4.0 k.sub.11(20° C.) = 17.3 pN 10 PGP-2-2V 6.0 k.sub.22(20° C.) = t.b.d. pN 11 CPGP-5-3 3.0 k.sub.33(20° C.) = 18.1 pN 12 PPGU-3-T 0.5 V.sub.0(20° C.) = 2.31 V 13 CPGU-3-OT 4.0 ε.sub.⊥/Δε = 0.81 14 PUQO-3-F 6.0 γ.sub.1/k.sub.11 = 4.73 mPa .Math. s/pN 15 CDUQU-3-F 1.5 16 APUQU-3-F 2.0 Σ 100.0 Remark: t.b.d.: to be determined

[0438] This mixture, mixture M-18, is characterized by a good transmission in an FFS display and shows a short response time.

Example 19

[0439] The following mixture (M-19) is prepared and investigated.

TABLE-US-00034 Mixture 19 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 PY-5-OT 8.0 T(N, I) = 63.0° C. 2 PY-5O-OT 8.0 n.sub.e(20° C., 589 nm) = 1.5675 3 CCY-3-F 8.0 Δn(20° C., 589 nm) = 0.0903 4 CCY-3-OT 9.0 ε.sub.∥(20°, 1 kHz) = 6.3 5 CLY-3-OT 8.0 ε.sub.⊥(20°, 1 kHz) = 4.0 6 CPY-3-OT 9.0 Δε(20°, 1 kHz) = 2.3 7 CC-3-V 19.5 ε.sub.av.(20°, 1 kHz) = 4.8 8 CP-5-3 12.0 γ.sub.1(20° C.) = 70 mPa .Math. s 9 CCP-V-1 10.0 k.sub.11(20° C.) = 11.3 pN 10 CCP-V2-1 5.0 k.sub.22(20° C.) = t.b.d. pN 11 CPP-5-2 2.5 k.sub.33(20° C.) = 12.4 pN 12 CPPC-3-3 1.5 V.sub.0(20° C.) = 2.31 V Σ 100.0 ε.sub.⊥/Δε = 1.74 γ.sub.1/k.sub.11 = 6.19 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0440] This mixture, mixture M-19, is characterized by a good transmission in an FFS display and shows a short response time.

Example 20

[0441] The following mixture (M-20) is prepared and investigated.

TABLE-US-00035 Mixture 20 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-T 5.0 T(N, I) = 104.0° C. 2 B-2O-O5 1.0 n.sub.e(20° C., 589 nm) = t.b.d. 3 B(S)-2O-O5 3.0 Δn(20° C., 589 nm) = t.b.d. 4 CC-3-V 32.0 ε.sub.∥(20°, 1 kHz) = t.b.d. 5 CC-3-V1 8.0 ε.sub.⊥(20°, 1 kHz) = t.b.d. 6 CP-3-O2 7.0 Δε(20°, 1 kHz) = t.b.d. 7 CCP-V-1 9.0 ε.sub.av.(20°, 1 kHz) = t.b.d. 8 CCP-V2-1 5.0 γ.sub.1(20° C.) = t.b.d. mPa .Math. s 9 CCVC-3-V 7.0 k.sub.11(20° C.) = t.b.d. pN 10 PGP-1-2V 2.5 k.sub.22(20° C.) = t.b.d. pN 11 CCP-3-OT 4.0 k.sub.33(20° C.) = t.b.d. pN 12 DPGU-4-F 7.0 V.sub.0(20° C.) = t.b.d. V 13 CDUQU-3-F 2.0 ε.sub.⊥/Δε = t.b.d. 14 APUQU-2-F 2.0 γ.sub.1/k.sub.11 = t.b.d. mPa .Math. s/pN 15 APUQU-3-F 3.0 16 DGUQU-4-F 2.5 Σ 100.0 Remark: t.b.d.: to be determined

[0442] This mixture, mixture M-20, is characterized by a good transmission in an FFS display and shows a short response time.

Example 21

[0443] The following mixture (M-21) is prepared and investigated.

TABLE-US-00036 Mixture 21 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 4.0 T(N, I) = 105.0° C. 2 CLY-3-OT 6.0 n.sub.e(20° C., 589 nm) = 1.5871 3 CC-3-V 35.0 Δn(20° C., 589 nm) = 0.1020 4 CC-3-V1 6.0 ε.sub.∥(20°, 1 kHz) = 7.9 5 CCP-V-1 12.0 ε.sub.⊥(20°, 1 kHz) = 3.1 6 CCP-V2-1 5.0 Δε(20°, 1 kHz) = 4.8 7 CCVC-3-V 3.0 ε.sub.av.(20°, 1 kHz) = 4.7 8 CLP-V-1 8.0 γ.sub.1(20° C.) = 81 mPa .Math. s 9 PGP-1-2V 6.0 k.sub.11(20° C.) = 17.1 pN 10 CCP-3-OT 2.0 k.sub.22(20° C.) = t.b.d. pN 11 CCP-5-OT 3.0 k.sub.33(20° C.) = 18.9 pN 12 DPGU-4-F 3.0 V.sub.0(20° C.) = 1.99 V 13 CDUQU-3-F 2.0 ε.sub.⊥/Δε = 0.65 14 APUQU-2-F 3.0 γ.sub.1/k.sub.11 = 4.74 mPa .Math. s/pN 15 APUQU-3-F 2.0 16 DGUQU-4-F 2.5 Σ 100.0 Remark: t.b.d.: to be determined

[0444] This mixture, mixture M-21, is characterized by a good transmission in an FFS display and shows a short response time.

Example 22

[0445] The following mixture (M-22) is prepared and investigated.

TABLE-US-00037 Mixture 22 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 5.0 T(N, I) = 103.0° C. 2 B(S)-2O-O4 1.0 n.sub.e(20° C., 589 nm) = 1.5819 3 B(S)-2O-O5 2.0 Δn(20° C., 589 nm) = 0.0979 4 CC-3-V 33.0 ε.sub.∥(20°, 1 kHz) = 8.1 5 CC-3-V1 6.5 ε.sub.⊥(20°, 1 kHz) = 3.4 6 CP-3-O2 6.5 Δε(20°, 1 kHz) = 4.6 7 CCP-V-1 9.0 ε.sub.av.(20°, 1 kHz) = 4.9 8 CCP-V2-1 7.0 γ.sub.1(20° C.) = 84 mPa .Math. s 9 CCVC-3-V 7.0 k.sub.11(20° C.) = 16.7 pN 10 PGP-1-2V 2.5 k.sub.22(20° C.) = t.b.d. pN 11 CCP-3-OT 4.0 k.sub.33(20° C.) = 18.7 pN 12 DPGU-4-F 6.5 V.sub.0(20° C.) = 2.00 V 13 CDUQU-3-F 2.0 ε.sub.⊥/Δε = 0.74 14 APUQU-2-F 1.0 γ.sub.1/k.sub.11 = 5.03 mPa .Math. s/pN 15 APUQU-3-F 3.0 16 DGUQU-4-F 4.0 Σ 100.0 Remark: t.b.d.: to he determined

[0446] This mixture, mixture M-22, is characterized by a good transmission in an FFS display and shows a short response time.

Example 23

[0447] The following mixture (M-23) is prepared and investigated.

TABLE-US-00038 Mixture 23 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 5.0 T(N, I) = 102.0° C. 2 B-2O-O5 1.0 n.sub.e(20° C., 589 nm) = 1.5832 3 B(S)-2O-O5 3.0 Δn(20° C., 589 nm) = 0.0991 4 CC-3-V 32.0 ε.sub.∥(20°, 1 kHz) = 8.1 5 CC-3-V1 8.0 ε.sub.⊥(20°, 1 kHz) = 3.6 6 CP-3-O2 6.5 Δε(20°, 1 kHz) = 4.5 7 CCP-V-1 9.0 ε.sub.av.(20°, 1 kHz) = 5.1 8 CCP-V2-1 5.0 γ.sub.1(20° C.) = 83 mPa .Math. s 9 CCVC-3-V 7.0 k.sub.11(20° C.) = 16.9 pN 10 PGP-1-2V 2.5 k.sub.22(20° C.) = t.b.d. pN 11 CCP-3-OT 4.0 k.sub.33(20° C.) = 19.0 pN 12 DPGU-4-F 7.0 V.sub.0(20° C.) = 2.03 V 13 CDUQU-3-F 3.0 ε.sub.⊥/Δε = 0.80 14 APUQU-2-F 2.0 γ.sub.1/k.sub.11 = 4.91 mPa .Math. s/pN 15 APUQU-3-F 3.0 16 DGUQU-4-F 2.0 Σ 100.0 Remark: t.b.d.: to be determined

[0448] This mixture, mixture M-23, is characterized by a good transmission in an FFS display and shows a short response time.

Example 24

[0449] The following mixture (M-24) is prepared and investigated.

TABLE-US-00039 Mixture 24 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 3.0 T(N, I) = 103.0° C. 2 LB(S)-3-OT 4.0 n.sub.e(20° C., 589 nm) = 1.5815 3 B(S)-2O-O4 0.5 Δn(20° C., 589 nm) = 0.0987 4 B(S)-2O-O5 1.0 ε.sub.∥(20°, 1 kHz) = 7.9 5 CC-3-V 33.5 ε.sub.⊥(20°, 1 kHz) = 3.4 6 CC-3-V1 8.0 Δε(20°, 1 kHz) = 4.5 7 CP-3-O2 8.0 ε.sub.av.(20°, 1 kHz) = 4.9 8 CCP-V-1 8.0 γ.sub.1(20° C.) = 82 mPa .Math. s 9 CCP-V2-1 5.0 k.sub.11(20° C.) = 16.9 pN 10 CCVC-3-V 9.0 k.sub.22(20° C.) = t.b.d. pN 11 PGP-1-2V 2.0 k.sub.33(20° C.) = 18.3 pN 12 CCP-3-OT 2.0 V.sub.0(20° C.) = 2.04 V 13 DPGU-4-F 8.0 ε.sub.⊥/Δε = 0.76 14 CDUQU-3-F 1.0 γ.sub.1/k.sub.11 = 4.85 mPa .Math. s/pN 15 APUQU-3-F 2.0 16 DGUQU-4-F 5.0 Σ 100.0 Remark: t.b.d.: to be determined

[0450] This mixture, mixture M-24, is characterized by a good transmission in an FFS display and shows a short response time.

Example 25

[0451] The following mixture (M-25) is prepared and investigated.

TABLE-US-00040 Mixture 25 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-F 3.0 2 LB(S)-3-OT 4.0 3 B(S)-2O-O5 1.0 4 CC-3-V 33.5 5 CC-3-V1 8.0 6 CP-3-O2 7.5 7 CCP-V-1 8.0 8 CCP-V2-1 5.0 9 CCVC-3-V 9.0 10 PGP-1-2V 3.0 11 CCP-3-OT 2.0 12 DPGU-4-F 8.0 13 CDUQU-3-F 1.0 14 APUQU-3-F 2.0 15 DGUQU-4-F 5.0 Σ 100.0 Physical properties T(N, I) = 104.0° C. n.sub.e(20° C., 589 nm) = 1.5831 Δn(20° C., 589 nm) = 0.0995 ε.sub.∥(20°, 1 kHz) = 7.9 ε.sub.⊥(20°, 1 kHz) = 3.3 Δε(20°, 1 kHz) = 4.6 ε.sub.av.(20°, 1 kHz) = 4.8 γ.sub.1(20° C.) = 83 mPa .Math. s k.sub.11(20° C.) = 16.9 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 18.6 pN V.sub.0(20° C.) = 2.02 V ε.sub.⊥/Δε = 0.72 γ.sub.1/k.sub.11 = 4.91 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0452] This mixture, mixture M-25, is characterized by a good transmission in an FFS display and shows a short response time.

Example 26

[0453] The following mixture (M-26) is prepared and investigated.

TABLE-US-00041 Mixture 26 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-F 2.5 2 LB(S)-3-OT 3.0 3 B(S)-2O-O4 0.2 4 B(S)-2O-O5 0.5 5 CC-3-V 33.8 6 CC-3-V1 8.4 7 CP-3-O2 8.0 8 CCP-V-1 8.3 9 CCP-V2-1 4.3 10 CCVC-3-V 9.6 11 PGP-1-2V 2.7 12 CCP-3-OT 2.7 13 DPGU-4-F 8.3 14 CDUQU-3-F 0.8 15 APUQU-3-F 1.8 16 DGUQU-4-F 5.1 Σ 100.0 Physical properties T(N, I) = 103.0° C. n.sub.e(20° C., 589 nm) = 1.5803 Δn(20° C., 589 nm) = 0.0976 ε.sub.∥(20°, 1 kHz) = 7.8 ε.sub.⊥(20°, 1 kHz) = 3.2 Δε(20°, 1 kHz) = 4.6 ε.sub.av.(20°, 1 kHz) = 4.7 γ.sub.1(20° C.) = 81 mPa .Math. s k.sub.11(20° C.) = 16.7 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 18.5 pN V.sub.0(20° C.) = 2.02 V ε.sub.⊥/Δε = 0.70 γ.sub.1/k.sub.11 = 4.85 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0454] This mixture, mixture M-26, is characterized by a good transmission in an FFS display and shows a short response time.

Example 27

[0455] The following mixture (M-27) is prepared and investigated.

TABLE-US-00042 Mixture 27 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-OT 5.5 2 B(S)-2O-O5 2.0 3 CC-3-V 35.0 4 CC-3-V1 8.0 5 CCP-V-1 11.0 6 CCP-V2-1 3.0 7 CCVC-3-V 6.0 8 PGP-1-2V 3.0 9 PGP-2-2V 5.0 10 CCP-3-OT 4.0 11 CCP-3-OT 2.5 12 DPGU-4-F 3.0 13 CDUQU-3-F 2.0 14 APUQU-2-F 3.0 15 APUQU-3-F 3.0 16 DGUQU-4-F 4.0 Σ 100.0 Physical properties T(N, I) = 104.0° C. n.sub.e(20° C., 589 nm) = 1.5838 Δn(20° C., 589 nm) = 0.1018 ε.sub.∥(20°, 1 kHz) = 8.0 ε.sub.⊥(20°, 1 kHz) = 3.2 Δε(20°, 1 kHz) = 4.8 ε.sub.av.(20°, 1 kHz) = 4.8 γ.sub.1(20° C.) = 79 mPa .Math. s k.sub.11(20° C.) = 17.1 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 18.3 pN V.sub.0(20° C.) = 1.99 V ε.sub.⊥/Δε = 0.67 γ.sub.1/k.sub.11 = 4.62 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0456] This mixture, mixture M-27, is characterized by a good transmission in an FFS display and shows a short response time.

Example 28

[0457] The following mixture (M-28) is prepared and investigated.

TABLE-US-00043 Mixture 28 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-1-OT 10.0 2 LB(S)-3-OT 10.0 3 CC-3-V 46.5 4 CC-3-V1 7.0 5 CLP-V-1 6.0 6 PGP-2-2V 4.5 7 CLP-3-T 4.0 8 PPGU-3-F 0.5 9 APUQU-2-F 2.0 10 APUQU-3-F 3.0 11 PGUQU-3-F 2.5 12 PGUQU-4-F 4.0 Σ 100.0 Physical properties T(N, I) = 80.5° C. n.sub.e(20° C., 589 nm) = 1.5845 Δn(20° C., 589 nm) = 0.1028 ε.sub.∥(20°, 1 kHz) = 7.7 ε.sub.⊥(20°, 1 kHz) = 3.5 Δε(20°, 1 kHz) = 4.2 ε.sub.av.(20°, 1 kHz) = 4.9 γ.sub.1(20° C.) = 59 mPa .Math. s k.sub.11(20° C.) = 14.8 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 15.0 pN V.sub.0(20° C.) = 1.98 V ε.sub.⊥/Δε = 0.83 γ.sub.1/k.sub.11 = 3.99 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0458] This mixture, mixture M-28, is characterized by a good transmission in an FFS display and shows a short response time.

Example 29

[0459] The following mixture (M-29) is prepared and investigated.

TABLE-US-00044 Mixture 29 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-T 5.0 2 B(S)-2O-O4 1.0 3 B(S)-2O-O5 2.0 4 CC-3-V 33.0 5 CC-3-V1 6.5 6 CP-3-O2 7.0 7 CCP-V-1 9.0 8 CCP-V2-1 7.0 9 CCVC-3-V 7.0 10 PGP-1-2V 2.5 11 CCP-3-OT 4.0 12 DPGU-4-F 8.0 13 CDUQU-3-F 2.0 14 APUQU-2-F 1.0 15 APUQU-3-F 3.0 16 DGUQU-4-F 4.0 Σ 100.0 Physical properties T(N, I) = 101.0° C. n.sub.e(20° C., 589 nm) = 1.5809 Δn(20° C., 589 nm) = 0.0975 ε.sub.∥(20°, 1 kHz) = 8.2 ε.sub.⊥(20°, 1 kHz) = 3.4 Δε(20°, 1 kHz) = 4.8 ε.sub.av.(20°, 1 kHz) = 5.0 γ.sub.1(20° C.) = 84 mPa .Math. s k.sub.11(20° C.) = 17.1 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 18.7 pN V.sub.0(20° C.) = 1.99 V ε.sub.⊥/Δε = 0.7 γ.sub.1/k.sub.11 = 4.91 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0460] This mixture, mixture M-29, is characterized by a good transmission in an FFS display and shows a short response time.

Example 30

[0461] The following mixture (M-30 is prepared and investigated.

TABLE-US-00045 Mixture 30 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-OT 3.0 2 LB(S)-3-OT 5.5 3 CC-3-V 28.5 4 CC-3-V1 8.0 5 CC-3-2V1 8.5 6 CCP-V-1 10.5 7 CCP-V2-1 7.0 8 CLP-V-1 2.0 9 CCVC-3-V 4.0 10 CCP-3-OT 5.0 11 CLP-3-T 4.0 12 CDUQU-3-F 4.0 13 APUQU-3-F 5.5 14 DGUQU-2-F 2.5 15 DGUQU-4-F 4.0 Σ 100.0 Physical properties T(N, I) = 106.5° C. n.sub.e(20° C., 589 nm) = 1.5714 Δn(20° C., 589 nm) = 0.0908 ε.sub.∥(20°, 1 kHz) = 8.3 ε.sub.⊥(20°, 1 kHz) = 3.1 Δε(20°, 1 kHz) = 5.2 ε.sub.av.(20°, 1 kHz) = 4.8 γ.sub.1(20° C.) = 91 mPa .Math. s k.sub.11(20° C.) = 19.1 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 20.7 pN V.sub.0(20° C.) = 2.02 V ε.sub.⊥/Δε = 0.60 γ.sub.1/k.sub.11 = 4.76 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0462] This mixture, mixture M-30, is characterized by a good transmission in an FFS display and shows a short response time.

Example 31

[0463] The following mixture (M-31) is prepared and investigated.

TABLE-US-00046 Mixture 31 Composition Compound Concentration/ No. Abbreviation % by weight 1 CCY-3-OT 14.0 2 CC-3-V 44.5 3 CC-3-V1 7.0 4 CLP-V-1 7.0 5 CCVC-3-V 2.0 6 PGP-2-2V 8.0 7 CDU-2-F 5.0 8 PGU-3-F 6.0 9 PPGU-3-F 0.5 10 PGUQU-3-F 3.0 11 PGUQU-4-F 3.0 Σ 100.0 Physical properties T(N, I) = 79.5° C. n.sub.e(20° C., 589 nm) = 1.5814 Δn(20° C., 589 nm) = 0.0998 ε.sub.∥(20°, 1 kHz) = 7.5 ε.sub.⊥(20°, 1 kHz) = 3.2 Δε(20°, 1 kHz) = 4.3 ε.sub.av.(20°, 1 kHz) = 4.6 γ.sub.1(20° C.) = 56 mPa .Math. s k.sub.11(20° C.) = 13.3 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 14.5 pN V.sub.0(20° C.) = 1.87 V ε.sub.⊥/Δε = 0.74 γ.sub.1/k.sub.11 = 4.21 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0464] This mixture, mixture M-31, is characterized by a good transmission in an FFS display and shows a short response time.

Example 32

[0465] The following mixture (M-32) is prepared and investigated.

TABLE-US-00047 Mixture 32 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-OT 10.0 2 CC-3-V 45.0 3 CC-3-V1 7.0 4 CLP-V-1 7.0 5 CCVC-3-V 3.0 6 PGP-2-2V 8.5 7 CDU-2-F 3.0 8 PGU-3-F 6.0 9 PPGU-3-F 0.5 10 APUQU-3-F 3.0 11 PGUQU-3-F 3.0 12 PGUQU-4-F 4.0 Σ 100.0 Physical properties T(N, I) = 82.0° C. n.sub.e(20° C., 589 nm) = 1.5910 Δn(20° C., 589 nm) = 0.1068 ε.sub.∥(20°, 1 kHz) = 8.1 ε.sub.⊥(20°, 1 kHz) = 3.2 Δε(20°, 1 kHz) = 5.0 ε.sub.av.(20°, 1 kHz) = 4.9 γ.sub.1(20° C.) = 59 mPa .Math. s k.sub.11(20° C.) = 14.1 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 14.8 pN V.sub.0(20° C.) = 1.78 V ε.sub.⊥/Δε = 0.64 γ.sub.1/k.sub.11 = 4.18 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0466] This mixture, mixture M-32, is characterized by a good transmission in an FFS display and shows a short response time.

Example 33

[0467] The following mixture (M-33 is prepared and investigated.

TABLE-US-00048 Mixture 33 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-OT 12.0 2 CC-3-V 44.5 3 CC-3-V1 7.0 4 CLP-V-1 7.0 5 CCVC-3-V 2.0 6 PGP-2-2V 8.5 7 CDU-2-F 3.0 8 PGU-3-F 5.5 9 PPGU-3-F 0.5 10 APUQU-3-F 3.0 11 PGUQU-3-F 3.0 12 PGUQU-4-F 2.0 Σ 100.0 Physical properties T(N, I) = 80.5° C. n.sub.e(20° C., 589 nm) = 1.5870 Δn(20° C., 589 nm) = 0.106 ε.sub.∥(20°, 1 kHz) = 8.1 ε.sub.⊥(200, 1 kHz) = 3.2 Δε(20°, 1 kHz) = 5.0 ε.sub.av.(20°, 1 kHz) = 4.9 γ.sub.1(20° C.) = 59 mPa .Math. s k.sub.11(20° C.) = 14.1 pN k.sub.22(20° C.) = t.b.d. pN k.sub.33(20° C.) = 14.8 pN V.sub.0(20° C.) = 1.78 V ε.sub.⊥/Δε = 0.64 γ.sub.1/k.sub.11 = 4.18 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0468] This mixture, mixture M-33, is characterized by a good transmission in an FFS display and shows a short response time.

Example 34

[0469] The following mixture (M-34) is prepared and investigated.

TABLE-US-00049 Mixture 34 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-OT 14.0 2 CC-3-V 44.5 3 CC-3-V1 7.0 4 CLP-V-1 7.0 5 CCVC-3-V 2.0 6 PGP-2-2V 8.0 7 CDU-2-F 5.0 8 PGU-3-F 6.0 9 PPGU-3-F 0.5 10 PGUQU-3-F 3.0 11 PGUQU-4-F 3.0 Σ 100.0 Physical properties T(N, I) = 79.5° C. n.sub.e(20° C., 589 nm) = 1.5848 Δn(20° C., 589 nm) = 0.1020 ε.sub.∥(20°, 1 kHz) = 7.5 ε.sub.⊥(20°, 1 kHz) = 3.2 Δε(20°, 1 kHz) = 4.3 ε.sub.av.(20°, 1 kHz) = 4.6 γ.sub.1(20° C.) = 56 mPa .Math. s k.sub.11(20° C.) = 13.8 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 14.3 pN V.sub.0(20° C.) = 1.89 V ε.sub.⊥/Δε = 0.74 γ.sub.1 /k.sub.11 = 4.06 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0470] This mixture, mixture M-34, is characterized by a good transmission in an FFS display and shows a short response time.

Example 35

[0471] The following mixture (M-35) is prepared and investigated.

TABLE-US-00050 Mixture 35 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-OT 16.0 2 CC-3-V 45.0 3 CC-3-V1 7.0 4 CLP-V-1 7.0 5 PGP-2-2V 10.0 6 PGU-3-F 6.0 7 PPGU-3-F 0.5 8 APUQU-3-F 4.0 9 DGUQU-4-F 4.5 Σ 100.0 Physical properties T(N, I) = 80.0° C. n.sub.e(20° C., 589 nm) = 1.5878 Δn(20° C., 589 nm) = 0.1050 ε.sub.∥(20°, 1 kHz) = 7.7 ε.sub.⊥(20°, 1 kHz) = 3.3 Δε(20°, 1 kHz) = 4.5 ε.sub.av.(20°, 1 kHz) = 4.8 γ.sub.1(20° C.) = 60 mPa .Math. s k.sub.11(20° C.) = 14.3 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 14.6 pN V.sub.0(20° C.) = 1.89 V ε.sub.⊥/Δε = 0.73 γ.sub.1/k.sub.11 = 4.20 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0472] This mixture, mixture M-35, is characterized by a good transmission in an FFS display and shows a short response time.

Example 36

[0473] The following mixture (M-36) is prepared and investigated.

TABLE-US-00051 Mixture 37 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-T 12.0 2 CC-3-V 44.5 3 CC-3-V1 7.0 4 CLP-V-1 7.0 5 CCVC-3-V 2.0 6 PGP-2-2V 8.5 7 CDU-2-F 5.0 8 PGU-3-F 5.5 9 PPGU-3-F 0.5 10 APUQU-3-F 3.0 11 PGUQU-3-F 3.0 12 PGUQU-4-F 2.0 Σ 100.0 Physical properties T(N, I) = 79.0° C. n.sub.e(20° C., 589 nm) = 1.5883 Δn(20° C., 589 nm) = 0.1041 ε.sub.∥(20°, 1 kHz) = 8.5 ε.sub.⊥(20°, 1 kHz) = 3.3 Δε(20°, 1 kHz) = 5.2 ε.sub.av.(20°, 1 kHz) = 5.0 γ.sub.1(20° C.) = 60 mPa .Math. s k.sub.11(20° C.) = 14.5 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 14.8 pN V.sub.0(20° C.) = 1.76 V ε.sub.⊥/Δε = 0.63 γ.sub.1/k.sub.11 = 4.14 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0474] This mixture, mixture M-36, is characterized by a good transmission in an FFS display and shows a short response time.

Example 37

[0475] The following mixture (M-37) is prepared and investigated.

TABLE-US-00052 Mixture 37 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-1-OT 8.0 2 LB(S)-3-OT 12.0 3 CC-3-V 46.5 4 CC-3-V1 8.0 5 CLP-V-1 1.5 6 PGP-2-2V 8.5 7 CLP-3-T 4.0 8 PPGU-3-F 0.5 9 APUQU-2-F 4.0 10 APUQU-3-F 4.0 11 DGUQU-4-F 3.0 Σ 100.0 Physical properties T(N, I) = 80.0° C. n.sub.e(20° C., 589 nm) = 1.5870 Δn(20° C., 589 nm) = 0.1050 ε.sub.∥(20°, 1 kHz) = 7.9 ε.sub.⊥(20°, 1 kHz) = 3.3 Δε(20°, 1 kHz) = 4.3 ε.sub.av.(20°, 1 kHz) = 4.7 γ.sub.1(20° C.) = 59 mPa .Math. s k.sub.11(20° C.) = 15.2 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 14.7 pN V.sub.0(20° C.) = 2.00 V ε.sub.⊥/Δε = 0.77 γ.sub.1/k.sub.11 = 3.88 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0476] This mixture, mixture M-37, is characterized by a good transmission in an FFS display and shows a short response time.

Example 38

[0477] The following mixture (M-38) is prepared and investigated.

TABLE-US-00053 Mixture 38 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-3-T 14.0 2 CC-3-V 45.0 3 CC-3-V1 7.0 4 CLP-V-1 7.0 5 CCVC-3-V 7.0 6 PGP-2-2V 12.0 7 CDU-2-F 4.0 8 PGU-3-F 4.0 9 PPGU-3-F 0.5 10 PGUQU-4-F 2.5 11 DGUQU-4-F 3.0 Σ 100.0 Physical properties T(N, I) = 79.0° C. n.sub.e(20° C., 589 nm) = 1.5900 Δn(20° C., 589 nm) = 0.1050 ε.sub.∥(20°, 1 kHz) = 7.6 ε.sub.⊥(200, 1 kHz) = 3.3 Δε(20°, 1 kHz) = 4.3 ε.sub.av.(20°, 1 kHz) = 4.7 γ.sub.1(20° C.) = 58 mPa .Math. s k.sub.11(20° C.) = 15.0 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 14.8 pN V.sub.0(20° C.) = 1.96 V ε.sub.⊥/Δε = 0.77 γ.sub.1/k.sub.11 = 3.87 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0478] This mixture, mixture M-38, is characterized by a good transmission in an FFS display and shows a short response time.

Example 39

[0479] The following mixture (M-39) is prepared and investigated.

TABLE-US-00054 Mixture 39 Composition Compound Concentration/ No. Abbreviation % by weight 1 CLY-2-OT 5.0 2 CLY-3-OT 15.0 3 CC-3-V 40.0 4 CC-3-V1 7.5 5 CLP-V-1 8.0 6 PGP-2-2V 8.0 7 CLP-3-T 4.0 8 PGU-2-F 5.0 9 PGU-3-F 3.0 10 PPGU-3-F 0.5 11 DGUQU-4-F 4.0 Σ 100.0 Physical properties T(N, I) = 81.0° C. n.sub.e(20° C., 589 nm) = 1.5883 Δn(20° C., 589 nm) = 0.1057 ε.sub.∥(20°, 1 kHz) = 7.6 ε.sub.⊥(20°, 1 kHz) = 3.3 Δε(20°, 1 kHz) = 4.3 ε.sub.av.(20°, 1 kHz) = 4.7 γ.sub.1(20° C.) = 59 mPa .Math. s k.sub.11(20° C.) = 15.3 pN k.sub.22(20° C.) = t.b.d. pN  k.sub.33(20° C.) = 15.0 pN V.sub.0(20° C.) = 1.98 V ε.sub.⊥/Δε = 0.77 γ.sub.1/k.sub.11 = 3.86 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0480] This mixture, mixture M-39, is characterized by a good transmission in an FFS display and shows a short response time.

Example 40

[0481] The following mixture (M-40) is prepared and investigated.

TABLE-US-00055 Mixture 40 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-2-OT 8.0 T(N, I) = 81.0° C. 2 CLY-3-OT 12.5 n.sub.e(20° C., 589 nm) = 1.5865 3 CC-3-V 38.5 Δn(20° C., 589 nm) = 0.1038 4 CC-3-V1 8.0 ε.sub.∥(20°, 1 kHz) = 7.6 5 CCP-V-1 2.0 ε.sub.⊥(20°, 1 kHz) = 3.3 6 CLP-V-1 7.5 Δε(20°, 1 kHz) = 4.3 7 PGP-2-2V 7.0 ε.sub.av.(20°, 1 kHz) = 4.7 8 CLP-3-T 4.0 γ.sub.1(20° C.) = t.b.d. mPa .Math. s 9 PGU-2-F 5.0 k.sub.11(20° C.) = 15.1 pN 10 PGU-3-F 3.0 k.sub.22(20° C.) = t.b.d. pN 11 PPGU-3-F 0.5 k.sub.33(20° C.) = 14.9 pN 12 DGUQU-4-F 4.0 V.sub.0(20° C.) = 1.98 V Σ 100.0 ε.sub.⊥/Δε = 0.77 γ.sub.1/k.sub.11 = t.b.d. mPa .Math. s/pN Remark: t.b.d.: to be determined

[0482] This mixture, mixture M-40, is characterized by a good transmission in an FFS display and shows a short response time.

Example 41

[0483] The following mixture (M-41) is prepared and investigated.

TABLE-US-00056 Mixture 41 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 10.0 T(N, I) = 80.5° C. 2 CLY-4-OT 10.0 n.sub.e(20° C., 589 nm) = 1.5867 3 CC-3-V 39.0 Δn(20° C., 589 nm) = 0.1008 4 CC-3-V1 6.5 ε.sub.∥(20°, 1 kHz) = 5.5 5 CCP-V-1 5.0 ε.sub.⊥(20°, 1 kHz) = 3.1 6 CCP-V2-1 3.0 Δε(20°, 1 kHz) = 2.4 7 CLP-V-1 4.0 ε.sub.av.(20°, 1 kHz) = 3.9 8 PP-1-2V1 8.0 γ.sub.1(20° C.) = t.b.d. mPa .Math. s 9 PGP-2-3 7.0 k.sub.11(20° C.) = 15.7 pN 10 CLP-3-T 2.5 k.sub.22(20° C.) = t.b.d. pN 11 APUQU-3-F 3.0 k.sub.33(20° C.) = 16.3 pN 12 DGUQU-4-F 2.0 V.sub.0(20° C.) = 2.68 V Σ 100.0 ε.sub.⊥/Δε = 1.29 γ.sub.1/k.sub.11 = t.b.d. mPa .Math. s/pN Remark: t.b.d.: to be determined

[0484] This mixture, mixture M-41, is characterized by a good transmission in an FFS display and shows a short response time.

Example 42

[0485] The following mixture (M-42) is prepared and investigated.

TABLE-US-00057 Mixture 42 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 10.0 T(N, I) = 107.5° C. 2 CC-3-V 22.0 n.sub.e(20° C., 589 nm) = 1.5712 3 CC-3-V1 7.0 Δn(20° C., 589 nm) = 0.0908 4 CC-3-2V1 8.5 ε.sub.∥(20°, 1 kHz) = 8.2 5 CCP-V-1 14.0 ε.sub.⊥(20°, 1 kHz) = 3.0 6 CCP-V2-1 7.0 Δε(20°, 1 kHz) = 5.2 7 CCVC-3-V 5.0 ε.sub.av.(20°, 1 kHz) = 4.7 8 PP-1-2V1 4.0 γ.sub.1(20° C.) = 95 mPa .Math. s 9 CCP-3-OT 5.0 k.sub.11(20° C.) = 19.5 pN 10 CLP-3-T 4.0 k.sub.22(20° C.) = t.b.d. pN 11 CDUQU-3-F 8.0 k.sub.33(20° C.) = 21.6 pN 12 DGUQU-2-F 1.5 V.sub.0(20° C.) = 2.05 V 13 DGUQU-4-F 4.0 ε.sub.⊥/Δε = 0.58 Σ 100.0 γ.sub.1/k.sub.11 = 4.88 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0486] This mixture, mixture M-42, is characterized by a good transmission in an FFS display and shows a short response time.

Example 43

[0487] The following mixture (M-43) is prepared and investigated.

TABLE-US-00058 Mixture 43 Composition Compound Concentration/ No. Abbreviation /% by weight Physical properties 1 CLY-3-F 10.0 T(N, I) = 81.0° C. 2 CLY-4-OT 10.0 n.sub.e(20° C., 589 nm) = 1.5828 3 CC-3-V 37.0 Δn(20° C., 589 nm) = 0.0987 4 CC-3-V1 5.0 ε.sub.∥(20°, 1 kHz) = 5.8 5 CC-3-2V1 5.0 ε.sub.⊥(20°, 1 kHz) = 3.1 6 CCP-V-1 5.0 Δε(20°, 1 kHz) = 2.7 7 CLP-V-1 5.0 ε.sub.av.(20°, 1 kHz) = 4.0 8 PP-1-2V1 8.0 γ.sub.1(20° C.) = 61 mPa .Math. s 9 PGP-2-3 5.0 k.sub.11(20° C.) = 15.7 pN 10 CLP-3-T 5.0 k.sub.22(20° C.) = t.b.d. pN 11 APUQU-3-F 3.0 k.sub.33(20° C.) = 16.3 pN 12 DGUQU-4-F 2.0 V.sub.0(20° C.) = 2.68 V Σ 100.0 ε.sub.⊥/Δε = 1.15 γ.sub.1/k.sub.11 = 3.89 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0488] This mixture, mixture M-43, is characterized by a good transmission in an FFS display and shows a short response time.

Example 44

[0489] The following mixture (M-44) is prepared and investigated.

TABLE-US-00059 Mixture 44 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-1-OT 30.0 T(N, I) = 79.5° C. 2 CLY-2-OT 30.0 n.sub.e(20° C., 589 nm) = 1.5572 3 CLY-3-OT 20.0 Δn(20° C., 589 nm) = 0.0962 4 CLY-4-OT 10.0 ε.sub.∥(20°, 1 kHz) = 11.3 5 CLY-5-OT 10.0 ε.sub.⊥(20°, 1 kHz) = 6.6 Σ 100.0 Δε(20°, 1 kHz) = 8.2 ε.sub.av.(20°, 1 kHz) = 4.0 γ.sub.1(20° C.) = 153 mPa .Math. s k.sub.11(20° C.) = 11.3 pN k.sub.22(20° C.) = t.b.d. pN k.sub.33(20° C.) = 14.8 pN V.sub.0(20° C.) = 1.60 V ε.sub.⊥/Δε = 0.80 γ.sub.1/k.sub.11 = 13.5 mPa .Math. s/pN Remark: t.b.d.: to be determined

[0490] This mixture, mixture M-44, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 45

[0491] The following mixture (M-45) is prepared and investigated.

TABLE-US-00060 Mixture 45 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 5.0 T(N, I) = 81.5° C. 2 CLY-3-T 10.0 n.sub.e(20° C., 589 nm) = 1.5876 3 CC-3-V 39.0 Δn(20° C., 589 nm) = 0.1012 4 CC-3-V1 7.5 ε.sub.∥(20°, 1 kHz) = 5.8 5 CCP-V-1 8.5 ε.sub.⊥(20°, 1 kHz) = 3.0 6 CLP-V-1 6.0 Δε(20°, 1 kHz) = 2.8 7 PP-1-2V1 7.5 ε.sub.av.(20°, 1 kHz) = 3.9 8 PGP-2-3 6.5 γ.sub.1(20° C.) = 61 mPa .Math. s 9 CLP-3-T 6.0 k.sub.11(20° C.) = 17.4 pN 10 DGUQU-4-F 4.0 k.sub.33(20° C.) = 16.8 pN Σ 100.0 V.sub.0(20° C.) = 2.61 V ε.sub.⊥/Δε = 1.07 γ.sub.1/k.sub.11 = 3.51 * Remark: * mPa/pN

[0492] This mixture, mixture M-45, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 46

[0493] The following mixture (M-46) is prepared and investigated.

TABLE-US-00061 Mixture 46 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 5.0 T(N, I) = 81.0° C. 2 CLY-3-T 5.0 n.sub.e(20° C., 589 nm) = 1.5854 3 CLY-3-OT 12.0 Δn(20° C., 589 nm) = 0.1010 4 CC-3-V 34.5 ε.sub.∥(20°, 1 kHz) = 5.9 5 CC-3-V1 8.0 ε.sub.⊥(20°, 1 kHz) = 3.1 6 CCP-V-1 7.5 Δε(20°, 1 kHz) = 2.8 7 CLP-V-1 5.5 ε.sub.av.(20°, 1 kHz) = 4.0 8 PP-1-2V1 10.0 γ.sub.1(20° C.) = 61 mPa .Math. s 9 PGP-2-3 3.5 k.sub.11(20° C.) = 17.3 pN 10 CLP-3-T 5.5 k.sub.33(20° C.) = 16.8 pN 11 APUQU-2-F 1.5 V.sub.0(20° C.) = 2.63 V 12 DGUQU-4-F 2.0 ε.sub.⊥/Δε = 1.11 Σ 100.0 γ.sub.1/k.sub.11 = 3.53 * Remark: * mPa/pN

[0494] This mixture, mixture M-46, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 47

[0495] The following mixture (M-47) is prepared and investigated.

TABLE-US-00062 Mixture 47 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 7.5 T(N, I) = 80.0° C. 2 CLY-3-T 10.0 n.sub.e(20° C., 589 nm) = 1.5839 3 CC-3-V 38.5 Δn(20° C., 589 nm) = 0.0985 4 CC-3-V1 8.0 ε.sub.∥(20°, 1 kHz) = 6.2 5 CCP-V-1 7.0 ε.sub.⊥(20°, 1 kHz) = 3.1 6 CLP-V-1 6.0 Δε(20°, 1 kHz) = 3.2 7 PP-1-2V1 8.5 ε.sub.av.(20°, 1 kHz) = 4.2 8 PGP-2-3 3.5 γ.sub.1(20° C.) = 61 mPa .Math. s 9 CLP-3-T 6.0 k.sub.11(20° C.) = 17.1 pN 10 PPGU-3-F 0.5 k.sub.33(20° C.) = 16.8 pN 11 DGUQU-2-F 1.5 V.sub.0(20° C.) = 2.46 V 12 DGUQU-4-F 3.0 ε.sub.⊥/Δε = 0.97 Σ 1 100.0 γ.sub.1/k.sub.11 = 3.57 * Remark: * mPa/pN.

[0496] This mixture, mixture M-47, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 48

[0497] The following mixture (M-48) is prepared and investigated.

TABLE-US-00063 Mixture 48 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-F 5.0 T(N, I) = 79.50° C. 2 CLY-3-T 10.0 n.sub.e(20° C., 589 nm) = 1.5844 3 LB(S)-3-OT 5.0 Δn(20° C., 589 nm) = 0.0998 4 CC-3-V 40.0 ε.sub.∥(20°, 1 kHz) = 6.3 5 CC-3-V1 7.5 ε.sub.⊥(20°, 1 kHz) = 3.3 6 CCP-V-1 6.5 Δε(20°, 1 kHz) = 3.1 7 CLP-V-1 6.0 ε.sub.av.(20°, 1 kHz) = 4.3 8 PP-1-2V1 8.0 γ.sub.1(20° C.) = 61 mPa .Math. s 9 PGP-2-3 3.5 k.sub.11(20° C.) = 17.1 pN 10 CLP-3-T 6.0 k.sub.33(20° C.) = 16.5 pN 11 DGUQU-4-F 4.5 V.sub.0(20° C.) = 2.48 V Σ 100.0 ε.sub.⊥/Δε = 1.06 γ.sub.1/k.sub.11 = 3.57 * Remark: * mPa/pN.

[0498] This mixture, mixture M-48, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 49

[0499] The following mixture (M-49) is prepared and investigated.

TABLE-US-00064 Mixture 49 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 8.0 T(N, I) = 89.1° C. 2 CC-3-V 22.5 n.sub.e(20° C., 589 nm) = 1.5845 3 CC-3-V1 8.0 Δn(20° C., 589 nm) = 0.1003 4 CP-3-O2 9.0 ε.sub.∥(20°, 1 kHz) = 9.8 5 CCP-V-1 13.0 ε.sub.⊥(20°, 1 kHz) = 3.3 6 CCP-V2-1 8.0 Δε(20°, 1 kHz) = 6.5 7 CCVC-3-V 6.0 ε.sub.av.(20°, 1 kHz) = 5.2 8 PGP-2-2V 3.0 γ.sub.1(20° C.) = 78 mPa .Math. s 9 PPGU-3-F 0.5 k.sub.11(20° C.) = 14.2 pN 10 PUQU-3-F 12.0 k.sub.33(20° C.) = 16.7 pN 11 APUQU-2-F 5.0 V.sub.0(20° C.) = 1.55 V 12 DGUQU-4-F 5.0 ε.sub.⊥/Δε = 0.51 Σ 100.0 γ.sub.1/k.sub.11 = 3.57 * Remark: * mPa/pN.

[0500] This mixture, mixture M-49, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 50

[0501] The following mixture (M-50) is prepared and investigated.

TABLE-US-00065 Mixture 50 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 5.0 T(N, I) = 102.1° C. 2 CC-3-V 37.5 n.sub.e(20° C., 589 nm) = 1.5919 3 CC-3-V1 5.0 Δn(20° C., 589 nm) = 0.1068 4 CCP-V-1 10.0 ε.sub.∥(20°, 1 kHz) = 9.0 5 CCP-V2-1 6.0 ε.sub.⊥(20°, 1 kHz) = 3.1 6 CCVC-3-V 6.0 Δε(20°, 1 kHz) = 5.9 7 PGP-1-2V 6.0 ε.sub.av.(20°, 1 kHz) = 5.1 8 CPGP-4-3 2.0 γ.sub.1(20° C.) = 82 mPa .Math. s 9 CPGP-5-2 1.5 k.sub.11(20° C.) = 15.6 pN 10 DPGU-4-F 2.0 k.sub.33(20° C.) = 18.2 pN 11 PPGU-2-F 0.5 V.sub.0(20° C.) = 1.70 V 12 PUQU-3-F 6.0 ε.sub.⊥/Δε = 0.53 13 CDUQU-3-F 4.5 γ.sub.1/k.sub.11 = 5.26 * 14 PGUQU-3-F 3.0 15 PGUQU-4-F 2.0 16 DGUQU-4-F 3.0 Σ 100.0 Remark: * mPa/pN.

[0502] This mixture, mixture M-50, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 51

[0503] The following mixture (M-51) is prepared and investigated.

TABLE-US-00066 Mixture 51 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 5.0 T(N, I) = 109.9° C. 2 CC-3-V 32.0 n.sub.e(20° C., 589 nm) = 1.6091 3 CCP-V-1 10.0 Δn(20° C., 589 nm) = 0.1187 4 CCP-V2-1 10.5 ε.sub.∥(20°, 1 kHz) = 7.8 5 CCVC-3-V 6.0 ε.sub.⊥(20°, 1 kHz) = 3.0 6 PP-1-2V1 2.0 Δε(20°, 1 kHz) = 4.8 7 PGP-1-2V 5.5 ε.sub.av.(20°, 1 kHz) = 4.6 8 CPGP-4-3 4.0 γ.sub.1(20° C.) = 93 mPa .Math. s 9 CPGP-5-2 4.0 k.sub.11(20° C.) = 16.2 pN 10 CCGU-3-F 5.0 k.sub.33(20° C.) = 18.4 pN 11 PPGU-3-F 0.5 V.sub.0(20° C.) = 1.91 V 12 PUQU-3-F 14.0 ε.sub.⊥/Δε = 0.63 13 PGUQU-3-F 1.5 γ.sub.1/k.sub.11 = 5.74 * Σ 100.0 Remark: * mPa/pN.

[0504] This mixture, mixture M-51, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 52

[0505] The following mixture (M-52) is prepared and investigated.

TABLE-US-00067 Mixture 52 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 14.5 T(N, I) = 104.0° C. 2 CC-3-V 27.5 n.sub.e(20° C., 589 nm) = 1.5697 3 CC-3-V1 8.0 Δn(20° C., 589 nm) = 0.0910 4 CC-3-2V1 4.5 ε.sub.∥(20°, 1 kHz) = 8.2 5 CCP-V-1 7.5 ε.sub.⊥(20°, 1 kHz) = 3.1 6 CLP-V-1 7.0 Δε(20°, 1 kHz) = 5.1 7 CCVC-3-V 5.0 ε.sub.av.(20°, 1 kHz) = 4.8 8 PP-1-2V1 2.0 γ.sub.1(20° C.) = 92 mPa .Math. s 9 CCP-3-OT 5.0 k.sub.11(20° C.) = 19.1 pN 10 CLP-3-T 7.0 k.sub.33(20° C.) = 20.3 pN 11 CCGU-3-F 2.0 V.sub.0(20° C.) = 2.05 V 12 CDUQU-3-F 4.0 ε.sub.⊥/Δε = 0.61 13 DGUQU-2-F 2.0 γ.sub.1/k.sub.11 = 4.82 * 14 DGUQU-4-F 4.0 Σ 100.0 Remark: * mPa/pN.

[0506] This mixture, mixture M-52, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 53

[0507] The following mixture (M-53) is prepared and investigated.

TABLE-US-00068 Mixture 53 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 8.0 T(N, I) = 104.0° C. 2 LB(S)-3-OT 8.0 n.sub.e(20° C., 589 nm) = 1.5706 3 CC-3-V 29.0 Δn(20° C., 589 nm) = 0.0917 4 CC-3-V1 8.0 ε.sub.∥(20°, 1 kHz) = 8.3 5 CC-3-2V1 8.0 ε.sub.⊥(20°, 1 kHz) = 3.3 6 CCP-V-1 5.5 Δε(20°, 1 kHz) = 5.1 7 CLP-V-1 7.0 ε.sub.av.(20°, 1 kHz) = 5.0 8 CCVC-3-V 5.0 γ.sub.1(20° C.) = 91 mPa .Math. s 9 CCP-3-OT 5.0 k.sub.11(20° C.) = 20.0 pN 10 CLP-3-T 7.0 k.sub.33(20° C.) = 20.3 pN 11 CDUQU-3-F 4.5 V.sub.0(20° C.) = 2.09 V 12 DGUQU-2-F 2.0 ε.sub.⊥/Δε = 0.65 13 DGUQU-4-F 4.0 γ.sub.1/k.sub.11 = 4.55 * Σ 100.0 Remark: * mPa/pN.

[0508] This mixture, mixture M-53, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.

Example 54

[0509] The following mixture (M-54) is prepared and investigated.

TABLE-US-00069 Mixture 54 Composition Compound Concentration/ No. Abbreviation % by weight Physical properties 1 CLY-3-OT 7.0 T(N, I) = 10§.0° C. 2 LB(S)-3-OT 6.0 n.sub.e(20° C., 589 nm) = 1.5730 3 CC-3-V 28.0 Δn(20° C., 589 nm) = 0.0931 4 CC-3-V1 8.0 ε.sub.∥(20°, 1 kHz) = 8.5 5 CC-3-2V1 8.0 ε.sub.⊥(20°, 1 kHz) = 3.3 6 CCP-V-1 9.0 Δε(20°, 1 kHz) = 5.2 7 CLP-V-1 9.0 ε.sub.av.(20°, 1 kHz) = 5.0 8 CCVC-3-V 4.0 γ.sub.1(20° C.) = 90 mPa .Math. s 9 PP-1-2V1 2.0 k.sub.11(20° C.) = 19.3 pN 10 CCP-3-OT 4.0 k.sub.33(20° C.) = 20.3 pN 11 CLP-3-T 5.0 V.sub.0(20° C.) = 2.03 V 12 CDUQU-3-F 7.5 ε.sub.⊥/Δε = 0.63 13 DGUQU-2-F 2.0 γ.sub.1/k.sub.11 = 4.66 * 14 DGUQU-4-F 4.0 Σ 100.0 Remark: * mPa/pN.

[0510] This mixture, mixture M-54, is characterized by a rather good transmission in an FFS display and shows a reasonable response time.