Patent ID: 9428693
Filing Date: 2016-08-30
CPC Classification: C09K,G02F

Claim Text:
1. A liquid crystal composition, comprising compounds of Formulas I to IV: wherein in Formula I, R a is selected from at least one of C1-C12 alkyl, C1-C12 alkyl substituted with fluoro or chloro, C1-C12 alkoxy, C1-C12 alkoxy substituted with fluoro or chloro, H and —CH═CH b is a group formed by substituting at least one —CH is selected from at least one of 1,4-phenylene, 1,4-phenylene monosubstituted with fluoro or chloro, 1,4-cyclohexyl, and a group formed by substituting one or two —CH 2 — in 1,4-cyclohexyl with O; and m is 1 or 2; in Formula II, H is cyclopentyl or cyclobutyl; is as defined for in Formula I; Z is selected from at least one of a single bond, —COO—, —CH R n is 1 or 2; in Formula III, R are each selected from a group g or h below, in which: g is selected from at least one of 1,4-phenylene, 1,4-phenylene substituted with fluoro, 1,4-cyclohexyl, a group formed by substituting one or two —CH h is a group formed by substituting at least one hydrogen in the group g with at least one of the groups below: F, Cl, C1-C7 alkyl, C1-C7 alkoxy, C1-C7 alkylcarbonyl, C1-C7 alkoxycarbonyl and C1-C7 alkylcarbonyloxy; X X d and e are each an integer of 0-3; and in Formula IV, R j is selected from at least one of C1-C8 alkyl, C1-C8 alkyl substituted with fluoro or chloro, C1-C8 alkoxy and C1-C8 alkoxy substituted with fluoro or chloro, H, —CH═CH k is a group formed by substituting at least one —CH is selected from at least one of 1,4-phenylene, 1,4-phenylene substituted with fluoro, 1,4-cyclohexyl, and a group formed by substituting one or two —CH 2 — in 1,4-cyclohexyl with O; Z f is 2 or 3.