Liquid crystalline medium

Abstract

The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (), which is distinguished by the fact that it has a value for the ratio .sub.1/n.sup.2 in the range 6-45 with a clearing point of >60 C. and a of 2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.

Claims

1. A liquid-crystalline medium comprising a mixture of polar compounds having negative dielectric anisotropy (), which has a value for the ratio .sub.1/n.sup.2 in the range 6-45 Pa.Math.s, wherein .sub.1 is rotational viscosity and n is optical anisotropy, with a clearing point of >60 C. and a of 2.3, which are one or more compounds of formula B-1, B-2 or B-4 ##STR00091## at least one compound of formula IB, ##STR00092## and at least one compound of formula II ##STR00093## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 C atoms, alkenyl and alkenyl* each, independently of one another, denote a straight-chain alkenyl radical having 2-6 C atoms, R.sup.1 and R.sup.2 each, independently of one another, denote H, an alkyl or alkenyl radical having up to 15 C atoms which is unsubstituted, monosubstituted by CN or CF.sub.3 or at least monosubstituted by halogen, in which one or more CH.sub.2 groups are optionally replaced by O, S, ##STR00094## CC, OCF.sub.2, CF.sub.2O, OCO or OCO in such a way that O atoms are not linked directly to one another, and v denotes 1 to 6.

2. A liquid-crystalline medium according to claim 1, which has a clearing point of 60-90 C.

3. A liquid-crystalline medium according to claim 1, which has a value of 2.3 to 5.5.

4. A liquid-crystalline medium according to claim 1, which has a clearing point of 70 C.5 C. and a of 3.00.6 and has the following rotational viscosities .sub.1 at a defined n value: TABLE-US-00046 n .sub.1 0.08 0.005 125 mPa .Math. s 0.09 0.005 130 mPa .Math. s 0.10 0.005 135 mPa .Math. s 0.11 0.005 145 mPa .Math. s 0.12 0.005 150 mPa .Math. s 0.13 0.005 160 mPa .Math. s 0.15 0.01 170 mPa .Math. s.

5. A liquid-crystalline medium according to claim 1, which has thresholds (capacitive) in the range 1.8-2.3 V.

6. A liquid-crystalline medium according to claim 1, which further comprises a compound of formula IA ##STR00095## in which R.sup.1 denotes H, an alkyl or alkenyl radical having up to 15 C atoms which is unsubstituted, monosubstituted by CN or CF.sub.3 or at least monosubstituted by halogen, in which one or more CH.sub.2 groups are each, independently of one another, optionally replaced by O, S, ##STR00096## CC, CF.sub.2O, CO, COO, OCO or OCOO in such a way that O atoms are not linked directly to one another, and v denotes 1 to 6.

7. A liquid-crystalline medium according to claim 1, which additionally comprises one or more compounds of the formula III ##STR00097## in which R.sup.31 and R.sup.32 each, independently of one another, denote a straight-chain alkyl, alkylalkoxy or alkoxy radical having up to 12 C atoms, and ##STR00098## denotes ##STR00099## and Z denotes a single bond, C.sub.2H.sub.4, CHCH, (CH.sub.2).sub.4, (CH.sub.2).sub.3O, O(CH.sub.2).sub.3, CHCHCH.sub.2CH.sub.2, CH.sub.2CH.sub.2CHCH, CH.sub.2O, OCH.sub.2, CF.sub.2O, OCF.sub.2, COO, OCO, C.sub.2F.sub.4, CHFCF.sub.2, CFCF, CHCF, CFCH, or CH.sub.2.

8. An electro-optical display having active-matrix addressing based on the ECB, PA LCD, FFS or the IPS effect, which contains, as dielectric, a liquid-crystalline medium according to claim 1.

9. A liquid-crystalline medium according to claim 1, which further comprises in total four compounds of formulae ##STR00100##

10. A liquid-crystalline medium according to claim 1, which further comprises at least one compound of formula Ma and/or nib and at least one compound of formula IIIe ##STR00101## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 C atoms, and alkenyl denotes a straight-chain alkenyl radical having 2-6 C atoms.

11. A liquid-crystalline medium according to claim 7, which comprises one or more compounds of formulae IIIa to IIIj: ##STR00102## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 C atoms, and alkenyl and alkenyl* each, independently of one another, denote a straight-chain alkenyl radical having 2-6 C atoms.

12. A liquid-crystalline medium according to claim 7, which comprises one or more compounds of the following formulae ##STR00103##

13. A liquid-crystalline medium according to claim 7, which comprises at least three compounds of the following formulae ##STR00104## wherein alkyl denotes C.sub.nH.sub.2n+1, where n=3, 4 or 5.

14. A liquid-crystalline medium according to claim 1, which further comprises a compound of formula IA ##STR00105## and/or comprises a compound of formula IB ##STR00106## in which R.sup.1 is a straight-chain alkenyl or alkyl, and v denotes 1 to 6.

15. A liquid-crystalline medium according to claim 14, wherein when R.sup.1 denotes alkenyl, said group is CH.sub.2CH, CH.sub.3CHCH, C.sub.3H.sub.7CHCH, CH.sub.2CHC.sub.2H.sub.4 or CH.sub.3CHCHC.sub.2H.sub.4.

16. A liquid-crystalline medium according to claim 6, which comprises 10-40% by weight of one or more compounds of the formulae IA and IB, and 10-40% by weight of one or more compounds of the formula II.

17. A liquid-crystalline medium according to claim 1, which further comprises one or more compounds of the following formulae, which compounds when present are each in an amount of at least 5% by weight ##STR00107## ##STR00108## in which R.sup.13-R.sup.27 each, independently of one another, denote H, an alkyl or alkenyl radical having up to 15 C atoms which is unsubstituted, monosubstituted by CN or CF.sub.3 or at least monosubstituted by halogen, in which one or more CH.sub.2 groups are optionally replaced by O, S, ##STR00109## CC, OCF.sub.2, CF.sub.2O, OCO or OCO in such a way that 0 atoms are not linked directly to one another, z and m each, independently of one another, denote 1-6, R.sup.E denotes H, CH.sub.3, C.sub.2H.sub.5 or n-C.sub.3H.sub.7, and x denotes 0, 1, 2 or 3.

18. A liquid-crystalline medium according to claim 1, which further comprises one or more compounds of the following formulae T-1 to T-22 ##STR00110## ##STR00111## ##STR00112## in which R denotes H, an alkyl or alkenyl radical having up to 15 C atoms which is unsubstituted, monosubstituted by CN or CF.sub.3 or at least monosubstituted by halogen, in which one or more CH.sub.2 groups are optionally replaced by O, S, ##STR00113## CC, OCF.sub.2, CF.sub.2O, OCO or OCO in such a way that O atoms are not linked directly to one another.

19. A liquid-crystalline medium according to claim 1, which further comprises one or more compounds of the following formula ##STR00114## alkyl* denotes a straight-chain alkyl radical having 1-6 C atoms.

20. A liquid-crystalline medium according to claim 1, which comprises at least one compound of the formulae ##STR00115##

21. A liquid-crystalline medium according to claim 1, which further comprises one or more compounds of the following formulae ##STR00116## ##STR00117## ##STR00118## ##STR00119## wherein n=1-12.

22. A liquid-crystalline medium according to claim 1, which comprises the following compound ##STR00120## wherein alkyl* denotes a straight-chain alkyl radical having 1-6 C atoms.

23. A liquid-crystalline medium according to claim 1, wherein alkenyl and alkenyl* each, independently of one another, denote vinyl, 1E-alkenyl or 3E-alkenyl.

24. A liquid-crystalline medium according to claim 1, wherein R.sup.1 and R.sup.2 denote straight-chain alkyl or straight-chain alkenyl.

Description

USE EXAMPLES

Example M1

(1) TABLE-US-00011 CY-3-O4 16.00% Clearing point [ C.]: 71.0 CY-5-O2 13.00% n [589 nm, 20 C.]: 0.0822 CCY-3-O2 14.00% .sub. [kHz, 20 C.]: 3.6 CCY-2-1 13.00% [kHz, 20 C.]: 3.3 CCY-3-1 10.00% K.sub.1 [pN, 20 C.]: 13.3 CCH-35 10.00% K.sub.3 [pN, 20 C.]: 14.0 CCH-303 5.00% .sub.1 [mPa .Math. s, 20 C.]: 125 CCH-301 12.00% V.sub.0 [V]: 2.16 BCH-32 7.00% LTS: nematic >1000 h at 30 C. LTS: nematic >350 h at 40 C. HR (100): 93.0%

Example M2

(2) TABLE-US-00012 CY-3-O4 18.00% Clearing point [ C.]: 70.5 CY-5-O4 14.00% n [589 nm, 20 C.]: 0.0825 CCY-3-O2 5.00% .sub. [kHz, 20 C.]: 3.4 CCY-5-O2 8.00% [kHz, 20 C.]: 3.1 CPY-2-O2 3.00% K.sub.1 [pN, 20 C.]: 14.0 CPY-3-O2 10.00% K.sub.3 [pN, 20 C.]: 14.4 CC-3-V1 12.00% .sub.1 [mPa .Math. s, 20 C.]: 102 CC-5-V 15.00% V.sub.0 [V]: 2.27 CC-3-2V 10.00% LTS: nematic >1000 h CCH-35 5.00% at 40 C. HR (100): 94.5%

Example M3

(3) TABLE-US-00013 CY-3-O4 15.00% Clearing point [ C.]: 70.5 CY-5-O5 15.00% n [589 nm, 20 C.]: 0.0952 CCY-3-O2 10.00% .sub. [kHz, 20 C.]: 3.5 CCY-3-1 10.00% [kHz, 20 C.]: 3.1 PCH-302 6.00% K.sub.1 [pN, 20 C.]: 13.9 CC-5-V 6.00% K.sub.3 [pN, 20 C.]: 14.6 CC-3-V1 12.00% .sub.1 [mPa .Math. s, 20 C.]: 133 CCH-35 5.00% V.sub.0 [V]: 2.28 CPY-2-1 7.00% LTS: nematic >1000 h CPY-3-1 7.00% at 30 C. CPY-5-1 7.00%

(4) TABLE-US-00014 CY-3-O4 14.00% Clearing point [ C.]: 69.5 CY-5-O2 8.00% n [589 nm, 20 C.]: 0.1005 CY-5-O4 15.00% .sub. [kHz, 20 C.]: 3.6 BCH-32 8.00% [kHz, 20 C.]: 3.3 CCP-V2-1 7.00% K.sub.1 [pN, 20 C.]: 12.5 CC-3-V1 8.00% K.sub.3 [pN, 20 C.]: 13.5 CC-3-V 18.00% .sub.1 [mPa .Math. s, 20 C.]: 106 CPY-2-O2 10.00% V.sub.0 [V]: 2.14 CPY-3-O2 12.00% LTS: nematic >1000 h at 40 C.

Example M5

(5) TABLE-US-00015 CY-3-O4 15.00% Clearing point [ C.]: 73.5 CY-5-O4 13.00% n [589 nm, 20 C.]: 0.1198 PCH-53 5.00% .sub. [kHz, 20 C.]: 3.7 CCP-V-1 6.00% [kHz, 20 C.]: 3.3 BCH-32 8.00% K.sub.1 [pN, 20 C.]: 11.9 CC-3-V1 8.00% K.sub.3 [pN, 20 C.]: 12.0 CC-5-V 9.00% .sub.1 [mPa .Math. s, 20 C.]: 150 CPY-2-O2 12.00% V.sub.0 [V]: 2.01 CPY-3-O2 12.00% YPY-4-1 6.00% YPY-4-4 6.00%

Example M6

(6) TABLE-US-00016 CY-3-O4 11.00% Clearing point [ C.]: 71.0 CY-5-O2 11.00% n [589 nm, 20 C.]: 0.1202 CPY-2-O2 12.00% .sub. [kHz, 20 C.]: 3.7 CPY-3-O2 9.00% [kHz, 20 C.]: 3.0 BCH-32 9.00% K.sub.1 [20 C.]: 12.4 CCH-301 12.00% K.sub.3 [20 C.]: 11.7 CCH-303 12.00% .sub.1 [mPa .Math. s, 20 C.]: 125 CCH-35 6.00% V.sub.0 [V]: 2.10 PYP-2-3 6.00% LTS: nematic >1000 h PYP-2-4 12.00% at 30 C.

Example M7

(7) TABLE-US-00017 CY-3-O4 20.00% Clearing point [ C.]: 70.0 CY-5-O4 5.00% n [589 nm, 20 C.]: 0.1201 CPY-2-O2 12.00% .sub. [kHz, 20 C.]: 3.6 CPY-3-O2 12.00% [kHz, 20 C.]: 3.2 PYP-2-3 10.00% K.sub.1 [20 C.]: 11.7 PYP-2-4 10.00% K.sub.3 [20 C.]: 12.4 CC-3-V1 12.00% .sub.1 [mPa .Math. s, 20 C.]: 116 CC-4-V 14.00% V.sub.0 [V]: 2.09 CCH-34 5.00%

Example M8

(8) TABLE-US-00018 BCH-32 10.00% Clearing point [ C.]: 72.0 CCP-V-1 10.00% n [589 nm, 20 C.]: 0.1512 CC-3-V1 12.00% .sub. [kHz, 20 C.]: 3.7 CPY-2-O2 12.00% [kHz, 20 C.]: 3.6 CPY-3-O2 13.00% K.sub.1 [20 C.]: 15.0 B-302FF 19.00% K.sub.3 [20 C.]: 15.5 B-502FF 17.00% .sub.1 [mPa .Math. s, 20 C.]: 143 PP-1-4 7.00% V.sub.0 [V]: 2.20 LTS: nematic >1000 h at 30 C.

Example M9

(9) TABLE-US-00019 CY-3-O2 18.00% Clearing point [ C.]: 71.0 CY-3-O4 5.00% n [589 nm, 20 C.]: 0.0821 CY-5-O2 12.00% .sub. [kHz, 20 C.]: 3.7 CCY-3-O2 12.00% [kHz, 20 C.]: 3.9 CCY-5-O2 3.00% K.sub.1 [20 C.]: 13.1 CCY-2-1 4.00% K.sub.3 [20 C.]: 14.9 CCY-3-1 8.00% .sub.1 [mPa .Math. s, 20 C.]: 130 CPY-3-O2 3.00% V.sub.0 [V]: 2.07 CCH-35 5.00% LTS: nematic >1000 h PCH-302 8.00% at 40 C. CH-33 3.00% HR (100 C.): 93% CH-43 4.00% CC-5-V 15.00%

Example M10

(10) TABLE-US-00020 CY-3-O4 9.00% Clearing point [ C.]: 69.0 CY-5-O2 14.00% n [589 nm, 20 C.]: 0.0813 CY-5-O4 16.00% .sub. [kHz, 20 C.]: 3.7 CCY-3-O2 11.00% [kHz, 20 C.]: 4.2 CCH-35 6.00% K.sub.1 [20 C.]: 13.1 CC-3-V1 7.00% K.sub.3 [20 C.]: 14.1 CC-5-V 18.00% .sub.1 [mPa .Math. s, 20 C.]: 116 CPY-3-O2 4.00% V.sub.0 [V]: 1.94 CCY-V-O2 15.00% LTS: nematic >1000 h at 30 C. LTS: nematic >600 h at 40 C. HR (100 C.): 94%

Example M11

(11) TABLE-US-00021 CY-3-O4 17.00% Clearing point [ C.]: 70.5 CY-5-O2 9.00% n [589 nm, 20 C.]: 0.0993 CY-5-O4 14.00% .sub. [kHz, 20 C.]: 4.0 CPY-2-O2 7.00% [kHz, 20 C.]: 4.2 CPY-3-O2 7.00% K.sub.1 [20 C.]: 11.5 CCP-V-1 12.00% K.sub.3 [20 C.]: 14.3 CCH-35 5.00% .sub.1 [mPa .Math. s, 20 C.]: 187 CC-3-V1 9.00% V.sub.0 [V]: 1.95 CPQIY-3-O4 10.00% LTS: nematic >1000 h CPQIY-5-O4 10.00% at 30 C.

Example M12

(12) TABLE-US-00022 CC-5-V 11.00% Clearing point [ C.]: 73.0 PCH-53 13.00% n [589 nm, 20 C.]: 0.0985 CY-3-O4 12.00% .sub. [kHz, 20 C.]: 3.7 CY-5-O4 12.00% [kHz, 20 C.]: 4.0 CCY-2-O2 12.00% K.sub.1 [20 C.]: 13.8 CCY-3-O2 12.00% K.sub.3 [20 C.]: 14.2 CCY-5-O2 8.00% .sub.1 [mPa .Math. s, 20 C.]: 163 CCY-2-1 10.00% V.sub.0 [V]: 1.98 PYP-2-3 10.00%

Example M13

(13) TABLE-US-00023 CY-3-O4 16.00% Clearing point [ C.]: 71.0 CY-5-O4 15.00% n [589 nm, 20 C.]: 0.1014 CY-5-O2 8.00% .sub. [kHz, 20 C.]: 3.8 CCY-3-O2 6.00% [kHz, 20 C.]: 4.0 BCH-32 7.00% K.sub.1 [20 C.]: 13.9 CCH-35 5.00% K.sub.3 [20 C.]: 13.0 CC-3-2V 10.00% .sub.1 [mPa .Math. s, 20 C.]: 141 CC-5-V 9.00% V.sub.0 [V]: 1.89 CPY-2-O2 12.00% LTS: nematic >1000 h CPY-3-O2 12.00% at 30 C.

Example M14

(14) TABLE-US-00024 CY-3-O4 20.00% Clearing point [ C.]: 73.5 CY-5-O2 9.00% n [589 nm, 20 C.]: 0.1202 CY-5-O4 4.00% .sub. [kHz, 20 C.]: 3.7 BCH-32 10.00% [kHz, 20 C.]: 3.8 PGIGI-3-F 2.00% K.sub.1 [20 C.]: 13.0 CC-3-V1 11.00% K.sub.3 [20 C.]: 13.1 CC-5-V 10.00% .sub.1 [mPa .Math. s, 20 C.]: 153 CPY-2-O2 14.00% V.sub.0 [V]: 1.95 CPY-3-O2 12.00% LTS: nematic >1000 h YPY-4-1 2.00% at 20 C. YPY-4-4 2.00% YPY-5-5 2.00% YPY-4-2V 2.00%

Example M15

(15) TABLE-US-00025 CY-3-O4 16.00% Clearing point [ C.]: 69.0 CY-5-O2 8.00% n [589 nm, 20 C.]: 0.1249 CY-5-O4 16.00% .sub. [kHz, 20 C.]: 3.9 BCH-32 8.00% [kHz, 20 C.]: 4.1 CC-5-V 8.00% K.sub.1 [20 C.]: 12.7 CC-3-V1 8.00% K.sub.3 [20 C.]: 13.1 CPY-2-O2 11.00% .sub.1 [mPa .Math. s, 20 C.]: 153 CPY-3-O2 11.00% V.sub.0 [V]: 1.89 PYP-2-3 14.00% LTS: nematic >1000 h at 40 C.

Example M16

(16) TABLE-US-00026 CY-3-O4 20.00% Clearing point [ C.]: 71.0 CY-5-O2 8.00% n [589 nm, 20 C.]: 0.1210 CY-5-O4 12.00% .sub. [kHz, 20 C.]: 4.0 BCH-32 9.00% [kHz, 20 C.]: 4.1 CCP-V-1 7.00% K.sub.1 [20 C.]: 12.4 PGIGI-3-F 7.00% K.sub.3 [20 C.]: 13.8 CC-3-V1 8.00% .sub.1 [mPa .Math. s, 20 C.]: 171 PCH-53 3.00% V.sub.0 [V]: 1.94 CPY-2-O2 14.00% LTS: nematic >1000 h CPY-3-O2 12.00% at 30 C. LTS: nematic >600 h at 40 C.

Example M17

(17) TABLE-US-00027 CY-3-O4 16.00% Clearing point [ C.]: 68.5 CY-5-O2 8.00% n [589 nm, 20 C.]: 0.1515 BCH-32 8.00% .sub. [kHz, 20 C.]: 4.2 CC-3-V1 10.00% [kHz, 20 C.]: 4.0 CPY-2-O2 12.00% K.sub.1 [20 C.]: 13.0 CPY-3-O2 12.00% K.sub.3 [20 C.]: 14.4 PYP-2-3 11.00% .sub.1 [mPa .Math. s, 20 C.]: 161 PYP-3-3 10.00% V.sub.0 [V]: 2.01 B-11FF 13.00% LTS: nematic >1000 h at 40 C.

Example M18

(18) TABLE-US-00028 CC-5-V 7.00% Clearing point [ C.]: 70.0 CCH-34 6.00% n [589 nm, 20 C.]: 0.0796 CY-3-O4 22.00% .sub. [kHz, 20 C.]: 4.0 CY-5-O4 21.00% [kHz, 20 C.]: 4.8 CCY-2-O2 8.00% K.sub.1 [20 C.]: 12.9 CCY-3-O2 6.00% K.sub.3 [20 C.]: 12.6 CCY-5-O2 7.00% .sub.1 [mPa .Math. s, 20 C.]: 172 CCY-2-1 10.00% V.sub.0 [V]: 1.72 CCY-3-1 8.00% LTS: nematic >1000 h CH-33 2.00% at 40 C. CH-43 3.00%

Example M19

(19) TABLE-US-00029 CC-5-V 13.00% Clearing point [ C.]: 73.0 CY-3-O4 20.00% n [589 nm, 20 C.]: 0.0830 CY-5-O4 20.00% .sub. [kHz, 20 C.]: 3.9 CCY-2-O2 8.00% [kHz, 20 C.]: 5.1 CCY-3-O2 11.00% K.sub.1 [20 C.]: 13.2 CCY-5-O2 8.00% K.sub.3 [20 C.]: 14.0 CCY-2-1 10.00% .sub.1 [mPa .Math. s, 20 C.]: 184 CCY-3-1 10.00% V.sub.0 [V]: 1.76 LTS: nematic >1000 h at 20 C. LTS: nematic >800 h at 30 C.

Example M20

(20) TABLE-US-00030 PCH-53 5.00% Clearing point [ C.]: 70.5 CY-3-O4 22.00% n [589 nm, 20 C.]: 0.0951 CY-5-O4 20.00% .sub. [kHz, 20 C.]: 4.1 CCY-2-O2 9.00% [kHz, 20 C.]: 4.9 CCY-3-O2 10.00% K.sub.1 [20 C.]: 12.9 CCY-5-O2 5.00% K.sub.3 [20 C.]: 13.2 CCY-2-1 12.00% .sub.1 [mPa .Math. s, 20 C.]: 210 CCY-3-1 8.00% V.sub.0 [V]: 1.73 BCH-32 4.00% LTS: nematic >1000 h BCH-52 4.00% at 40 C. PGIGI-3-F 1.00%

Example M21

(21) TABLE-US-00031 CY-3-O4 16.00% Clearing point [ C.]: 70.0 CY-5-O2 16.00% n [589 nm, 20 C.]: 0.1019 CY-5-O4 13.00% .sub. [kHz, 20 C.]: 4.0 CCY-3-O2 9.00% [kHz, 20 C.]: 5.0 CPY-2-O2 12.00% K.sub.1 [20 C.]: 13.8 CPY-3-O2 12.00% K.sub.3 [20 C.]: 14.5 CC-3-V1 10.00% .sub.1 [mPa .Math. s, 20 C.]: 165 CCH-35 9.00% V.sub.0 [V]: 1.79 BCH-32 3.00%

Example M22

(22) TABLE-US-00032 CCY-3-O2 15.00% Clearing point [ C.]: 87.0 CCY-5-O2 12.00% n [589 nm, 20 C.]: 0.0797 CCY-2-1 6.00% .sub. [kHz, 20 C.]: 3.2 CCY-3-1 13.00% [kHz, 20 C.]: 3.1 CY-5-O2 17.00% K.sub.1 [20 C.]: 17.0 CCH-301 7.00% K.sub.3 [20 C.]: 17.8 CCH-35 20.00% .sub.1 [mPa .Math. s, 20 C.]: 147 PCH-53 10.00% V.sub.0 [V]: 2.53

Example M23

(23) TABLE-US-00033 BCH-32F 2.50% Clearing point [ C.]: 92.0 CCH-301 16.50% n [589 nm, 20 C.]: 0.0827 CCH-34 5.00% .sub. [kHz, 20 C.]: 3.4 CCH-35 5.00% [kHz, 20 C.]: 3.0 CCY-2-1 14.00% K.sub.1 [20 C.]: 16.4 CCY-3-O2 13.50% K.sub.3 [20 C.]: 17.8 CCY-3-1 14.00% .sub.1 [mPa .Math. s, 20 C.]: 154 CCY-5-O2 13.50% V.sub.0 [V]: 2.58 PCH-301 8.50% CY-3-O2 7.50%

Example M24

(24) TABLE-US-00034 CY-3-O4 8.00% Clearing point [ C.]: 91.0 CY-5-O2 3.00% n [589 nm, 20 C.]: 0.0822 CCY-3-O2 11.00% .sub. [kHz, 20 C.]: 3.3 CCY-3-O3 12.00% [kHz, 20 C.]: 3.2 CCY-4-O2 12.00% K.sub.1 [20 C.]: 15.4 CPY-2-O2 10.00% K.sub.3 [20 C.]: 15.9 CC-4-V 17.00% .sub.1 [mPa .Math. s, 20 C.]: 117 CC-3-V1 12.00% V.sub.0 [V]: 2.36 CCH-35 4.00% LTS: nematic >1000 h CCH-301 11.00% at 20 C.

Example M25

(25) TABLE-US-00035 CY-3-O4 12.00% Clearing point [ C.]: 90.0 CCY-3-O3 12.00% n [589 nm, 20 C.]: 0.1019 CCY-4-O2 2.00% .sub. [kHz, 20 C.]: 3.4 CPY-2-O2 12.00% [kHz, 20 C.]: 3.0 CPY-3-O2 12.00% K.sub.1 [20 C.]: 15.2 CCH-301 11.00% K.sub.3 [20 C.]: 15.8 CC-5-V 20.00% .sub.1 [mPa .Math. s, 20 C.]: 135 CC-3-V1 10.00% V.sub.0 [V]: 2.43 PYP-2-3 2.00% PYP-2-4 4.00% CCPC-33 3.00%

Example M26

(26) TABLE-US-00036 CY-3-O4 15.00% Clearing point [ C.]: 90.5 CY-5-O4 11.00% n [589 nm, 20 C.]: 0.1249 CY-5-O2 5.00% .sub. [kHz, 20 C.]: 3.7 CPY-2-O2 12.00% [kHz, 20 C.]: 3.3 CPY-3-O2 12.00% K.sub.1 [20 C.]: 15.2 BCH-32 8.00% K.sub.3 [20 C.]: 15.6 PGIGI-3-F 8.00% .sub.1 [mPa .Math. s, 20 C.]: 188 CCP-V-1 8.00% V.sub.0 [V]: 2.38 CCP-V2-1 8.00% LTS: nematic >1000 h CC-5-V 9.00% at 30 C. CC-3-V1 2.00% HR (100 C.): 94% CBC-33 2.00%

Example M27

(27) TABLE-US-00037 CY-3-O2 12.00% Clearing point [ C.]: 91.0 CY-5-O2 11.00% n [589 nm, 20 C.]: 0.0829 CCY-3-O2 14.00% .sub. [kHz, 20 C.]: 3.6 CCY-5-O2 15.00% [kHz, 20 C.]: 4.2 CCY-2-1 10.00% K.sub.1 [20 C.]: 16.6 CCY-3-1 14.00% K.sub.3 [20 C.]: 18.4 CCH-34 6.00% .sub.1 [mPa .Math. s, 20 C.]: 185 CCH-35 5.00% CCH-301 4.00% CCH-303 5.00% CCH-501 4.00%

Example M28

(28) TABLE-US-00038 CY-3-O2 20.00% Clearing point [ C.]: 91.0 CY-5-O2 5.00% n [589 nm, 20 C.]: 0.0821 CCY-3-O2 12.00% .sub. [kHz, 20 C.]: 3.5 CCY-5-O2 7.00% [kHz, 20 C.]: 4.1 CCY-3-O3 12.00% K.sub.1 [20 C.]: 16.2 CCY-4-O2 11.00% K.sub.3 [20 C.]: 18.1 CC-5-V 20.00% .sub.1 [mPa .Math. s, 20 C.]: 148 CC-3-V1 9.00% V.sub.0 [V]: 2.21 CCH-35 4.00% LTS: nematic >1000 h at 20 C.

Example M29

(29) TABLE-US-00039 CY-5-O2 9.00% Clearing point [ C.]: 90.5 CY-5-O4 15.00% n [589 nm, 20 C.]: 0.1023 CCY-3-O3 12.00% .sub. [kHz, 20 C.]: 3.5 CCY-4-O2 10.00% [kHz, 20 C.]: 4.1 CCY-5-O2 10.00% K.sub.1 [20 C.]: 17.3 CPY-2-O2 2.00% K.sub.3 [20 C.]: 16.4 CPY-3-O2 12.00% .sub.1 [mPa .Math. s, 20 C.]: 211 CCH-35 7.00% V.sub.0 [V]: 2.10 CCH-303 4.00% LTS: nematic >1000 h PCH-53 12.00% at 20 C. BCH-32 7.00% HR (100 C.): 91%

Example M30

(30) TABLE-US-00040 CY-3-O4 5.00% Clearing point [ C.]: 91.5 CY-5-O4 20.00% n [589 nm, 20 C.]: 0.1015 CCY-3-O3 12.00% .sub. [kHz, 20 C.]: 3.5 CCY-4-O2 10.00% [kHz, 20 C.]: 4.2 CCY-5-O2 11.00% K.sub.1 [20 C.]: 16.6 CPY-3-O2 10.00% K.sub.3 [20 C.]: 16.3 PYP-2-4 7.00% .sub.1 [mPa .Math. s, 20 C.]: 211 CC-3-V1 11.00% V.sub.0 [V]: 2.10 CC-5-V 11.00% LTS: nematic >1000 h PCH-53 3.00% at 20 C. HR (100 C.): 94%

Example M31

(31) TABLE-US-00041 CY-3-O4 14.00% Clearing point [ C.]: 90.0 CY-5-O2 14.00% n [589 nm, 20 C.]: 0.1168 CY-5-O4 4.00% .sub. [kHz, 20 C.]: 3.7 CCY-3-O2 6.00% [kHz, 20 C.]: 4.2 CCY-5-O2 7.00% K.sub.1 [20 C.]: 15.3 PGIGI-3-F 2.00% K.sub.3 [20 C.]: 17.7 BCH-32 10.00% .sub.1 [mPa .Math. s, 20 C.]: 198 CPY-2-O2 10.00% V.sub.0 [V]: 2.15 CPY-3-O2 14.00% CCP-V-1 2.00% CC-5-V 5.00% CC-3-V1 12.00%

Example M32

(32) TABLE-US-00042 CY-3-O4 20.00% Clearing point [ C.]: 87.0 CY-5-O2 12.00% n [589 nm, 20 C.]: 0.0808 CY-5-O4 20.00% .sub. [kHz, 20 C.]: 3.9 CCY-3-O2 7.00% [kHz, 20 C.]: 5.0 CCY-5-O2 11.00% K.sub.1 [20 C.]: 13.6 CCH-301 5.00% K.sub.3 [20 C.]: 15.1 CH-33 4.00% .sub.1 [mPa .Math. s, 20 C.]: 265 CH-35 4.00% V.sub.0 [V]: 1.82 CH-43 4.00% CH-45 4.00% CCPC-33 3.00% CCPC-34 3.00% CCPC-35 3.00%

Example M33

(33) TABLE-US-00043 CY-3-O4 14.00% Clearing point [ C.]: 86.0 CY-5-O2 10.00% n [589 nm, 20 C.]: 0.1023 CY-5-O4 16.00% .sub. [kHz, 20 C.]: 3.9 CCY-2-O2 6.00% [kHz, 20 C.]: 5.1 CCY-3-O2 12.00% K.sub.1 [20 C.]: 15.2 CCY-5-O2 8.00% K.sub.3 [20 C.]: 16.2 CCY-2-1 8.00% .sub.1 [mPa .Math. s, 20 C.]: 257 CCY-3-1 12.00% V.sub.0 [V]: 1.89 BCH-32 8.00% LTS: nematic >1000 h CCP-V-1 4.00% at 20 C. PGIGI-3-F 2.00% LTS: nematic >760 h at 30 C. LTS: nematic >500 h at 40 C. HR (20 C.): 98% HR (100 C.): 91%

Example M34

(34) TABLE-US-00044 CY-3-O4 10.00% Clearing point [ C.]: 90.0 CY-5-O4 14.00% n [589 nm, 20 C.]: 0.1204 CY-5-O2 13.00% .sub. [kHz, 20 C.]: 3.9 CCY-3-O2 14.00% [kHz, 20 C.]: 5.0 CCY-5-O2 1.00% K.sub.1 [20 C.]: 14.7 CBC-33 6.00% K.sub.3 [20 C.]: 16.8 CC-5-V 11.00% .sub.1 [mPa .Math. s, 20 C.]: 265 PGIGI-3-F 7.00% V.sub.0 [V]: 1.94 CPY-2-O2 12.00% LTS: nematic >1000 h CPY-3-O2 12.00% at 40 C.

Example M35

(35) TABLE-US-00045 CY-3-O2 13.00% Clearing point [ C.]: 79.5 CY-5-O2 5.00% n [589 nm, 20 C.]: 0.0788 CCY-4-O2 10.00% .sub. [kHz, 20 C.]: 3.4 CCY-3-O3 12.00% [kHz, 20 C.]: 3.1 CCY-2-O2V 11.00% K.sub.1 [pN, 20 C.]: 13.9 CPY-2-O2 6.00% K.sub.3 [pN, 20 C.]: 13.6 CCH-303 5.00% .sub.1 [mPa .Math. s, 20 C.]: 107 CC-5-V 18.00% V.sub.0 [V]: 2.21 CC-3-V1 12.00% CCH-34 5.00% PCH-301 3.00%