Patent ID: 7820251

Claim:
A liquid crystal compound, having a general formula: wherein R is H, F, Cl, linear or branched C 1-10 alkyl group, linear or branched C 1-10 alkenyl group, C 1-10 ether group, C 1-10 alkoxyl group, linear or branched C 1-10 fluorinated alkyl group, linear or branched C 1 - 10 fluorinated alkenyl group, or C 1-10 fluorinated ether group; each of A, B, and C, being the same or different, is cyclohexyl group, cyclohexenyl group, or phenyl group; each of L 1 , L 2 being the same or different, is H or F; Z is —C(═O)O—, —OC(═O)—, —CH 2 O—, —OCH 2 —, —CH 2 CH 2 —, —C≡C—, or —CH═CH—; Y is CF 3 , CF 2 H, or CFH 2 ; m, is an integer of 0-2; n is an integer of 1-3; and 1≦m+n≦3.