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 based on 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 with a clearing point of >60 C. and a Ac of 2.3, and comprises one or more compounds of formula B-1 or B-4 ##STR00089## and at least one compound of formula IB, ##STR00090## and at least one compound of formula II ##STR00091## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 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, ##STR00092## 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, and at least one of the following compounds COY-n-(O)m or CEY-n-(O)m COY-n-(O)m ##STR00093## in which COY-n-(O)m compound n is 3 and m is 2, or CEY-n-(O)m ##STR00094## in which CEY-n-(O)m compound n and m are each independently 1 to 6, and wherein at least one of the following conditions I) or II) apply: condition I): the liquid-crystalline medium comprises one or more compounds of formula B-1 ##STR00095## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 C atoms, condition II): the liquid-crystalline medium comprises one or more compounds of the following formulae ##STR00096##

2. A liquid-crystalline medium based on 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 with a clearing point of >60 C. and a of 2.3, and comprises one or more compounds of formula B-1 or B-4 ##STR00097## at least one compound of formula IB, ##STR00098## and at least one compound of formula II ##STR00099## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 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, ##STR00100## 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, and wherein the following condition applies: the liquid-crystalline medium comprises one or more compounds of formula B-1 ##STR00101## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 C atoms.

3. A liquid-crystalline medium according to claim 1, wherein condition II) applies, wherein the liquid-crystalline medium comprises one or more compounds of the following formulae ##STR00102##

4. A liquid-crystalline medium according to claim 1, which has a clearing point of >60 to 90 C. and has a value of 2.3 to 5.5.

5. A liquid-crystalline medium having negative dielectric anisotropy (), comprising a first component containing a compound of the following formula ##STR00103## and a second component containing a compound of the following formula ##STR00104## and a third component containing a compound of the following formula ##STR00105## in which alkyl and alkyl* each, independently of one another, denote a straight-chain alkyl radical having 1-6 C atoms, R.sup.1 denotes an alkyl or alkenyl radical having up to 12 C atoms, and v denotes 1 to 6.

6. A liquid-crystalline medium according to claim 5, which further contains a component containing a compound of the following formula ##STR00106## in which R.sup.2 denotes an alkyl or alkenyl radical having up to 12 C atoms, and v denotes 1 to 6.

7. A liquid-crystalline medium according to claim 5, wherein in the compound of the first component alkyl* denotes a straight-chain alkyl radical having 3 C atoms.

8. A liquid-crystalline medium according to claim 1, which further contains at least one of the following dopants ##STR00107## ##STR00108##

9. A liquid-crystalline medium according to claim 1, which further contains at least one of the following stabilizers in an amount of 0-10% by weight ##STR00109## ##STR00110## ##STR00111## ##STR00112## ##STR00113## wherein n=1 to 12.

10. A liquid-crystalline medium according to claim 1, which further contains the following compound CPY-n-(O)m ##STR00114## wherein n is 3 and m is 2.

11. A liquid-crystalline medium according to claim 1, which further contains the following compound B-n(O)mFF ##STR00115## wherein n is 3 and m is 2.

12. A liquid-crystalline medium according to claim 1, which contains the following compound COY-n-(O)m ##STR00116## wherein n is 3 and m is 2.

13. A liquid-crystalline medium according to claim 1, which further contains a compound of the following formula CCH-nm ##STR00117## wherein n and m each independently denote 1-6.

14. A liquid-crystalline medium according to claim 2, which further contains the following compound CPY-n-(O)m ##STR00118## wherein n is 3 and m is 2.

15. A liquid-crystalline medium according to claim 1, which further contains the following compound CCY-n-(O)m ##STR00119## wherein n is 3 and m is 2.

16. A liquid-crystalline medium according to claim 1, which contains the following compound CEY-n-(O)m ##STR00120## wherein n and m are each independently 1 to 6.

17. A liquid-crystalline medium according to claim 1, which further contains the following compound CC-n-V ##STR00121## wherein n is 1 to 6.

18. A liquid-crystalline medium according to claim 1, which further contains the following compound CC-n-V1 ##STR00122## wherein n is 1 to 6.

19. A liquid-crystalline medium according to claim 2, wherein the liquid-crystalline medium comprises one or more compounds of the following formulae ##STR00123##

20. A liquid-crystalline medium according to claim 2, which has a clearing point of >60 to 90 C. and has a value of 2.3 to 5.5.

21. A liquid-crystalline medium according to claim 2, which further contains at least one of the following dopants ##STR00124## ##STR00125##

22. A liquid-crystalline medium according to claim 2, which further contains at least one of the following stabilizers in an amount of 0-10% by weight ##STR00126## ##STR00127## ##STR00128## ##STR00129## ##STR00130## wherein n=1 to 12.

23. A liquid-crystalline medium according to claim 2, which further contains the following compound B-n(O)mFF ##STR00131## wherein n is 3 and m is 2.

24. A liquid-crystalline medium according to claim 2, which further contains the following compound COY-n-(O)m ##STR00132## wherein n is 3 and m is 2.

25. A liquid-crystalline medium according to claim 2, which further contains a compound of the following formula CCH-nm ##STR00133## wherein n and m each independently denote 1-6.

26. A liquid-crystalline medium according to claim 2, which further contains the following compound CCY-n-(O)m ##STR00134## wherein n is 3 and m is 2.

27. A liquid-crystalline medium according to claim 2, which further contains the following compound CEY-n-(O)m ##STR00135## wherein n and m are each independently 1 to 6.

28. A liquid-crystalline medium according to claim 2, which further contains the following compound CC-n-V ##STR00136## wherein n is 1 to 6.

29. A liquid-crystalline medium according to claim 2, which further contains the following compound CC-n-V1 ##STR00137## wherein n is 1 to 6.

Description

USE EXAMPLES

Example M1

(1) TABLE-US-00010 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 7.00% LTS: nematic > 1000 h at 30 C. LTS: nematic > 350 h at 40 C. HR (100): 93%

Example M2

(2) TABLE-US-00011 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-00012 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%

Example M4

(4) TABLE-US-00013 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-00014 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-00015 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 [pN, 20 C.]: 12.4 CCH-301 12.00% K.sub.3 [pN, 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-00016 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-00017 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-00018 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 at PCH-302 8.00% 40 C. CH-33 3.00% HR (100 C.): 93% CH-43 4.00% CC-5-V 15.00%

Example M10

(10) TABLE-US-00019 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-00020 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 at CPQIY-5-O4 10.00% 30 C.

Example M12

(12) TABLE-US-00021 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-00022 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 at CPY-3-O2 12.00% 30 C.

Example M14

(14) TABLE-US-00023 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 at YPY-4-1 2.00% 20 C. YPY-4-4 2.00% YPY-5-5 2.00% YPY-4-2V 2.00%

Example M15

(15) TABLE-US-00024 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-00025 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 at CPY-3-O2 12.00% 30 C. LTS: nematic >600 h at 40 C.

Example M17

(17) TABLE-US-00026 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-00027 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 at CH-33 2.00% 40 C. CH-43 3.00%

Example M19

(19) TABLE-US-00028 CC-5V 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-00029 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 at BCH-52 4.00% 40 C. PGIGI-3-F 1.00%

Example M21

(21) TABLE-US-00030 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 COY-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-00031 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-00032 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-00033 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-00034 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-00035 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: nematie > 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-00036 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-00037 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-00038 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 OCY-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 at PCH-53 12.00% 20 C. BCH-32 7.00% HR (100 C.): 91%

Example M30

(30) TABLE-US-00039 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 at PCH-53 3.00% 20 C. HR (100 C.): 94%

Example M31

(31) TABLE-US-00040 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-00041 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-00042 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 at CCP-V-1 4.00% 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-00043 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 at CPY-3-O2 12.00% 40 C.

Example M35

(35) TABLE-US-00044 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 [20 C.]: 13.9 CPY-2-O2 6.00% K.sub.3 [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%