Patent ID: 7326450

Claim:
A nematic liquid crystal composition comprising: a) liquid crystal compound represented by the following Chemical Formula 1: wherein R 1 is C n H 2n+1 O, C n H 2n+1 , or C n H 2n−1 (n is 1-15); X is H or F; A is B is —CH 2 —CH 2 — or —C≡C—; and m is 0 or 1; and b) a liquid crystal compound represented by the following Chemical Formula 6: wherein R 2 and R 3 are independently or simultaneously a C1-15 alkyl group or alkoxy group; D is phenyl or cyclohexyl; and (c) at least one kind of liquid crystal compound selected from a group consisting of compounds represented by the following Chemical Formula 7 and Chemical Formula 8: wherein R 2 is a C1-15 alkyl group or alkoxy group; E is a single bond —CH 2 CH 2 — or —COO—; X and Y are independently or simultaneously a hydrogen or fluorine atom; and Z is a hydrogen, —OCF 3 , or a fluorine atom; wherein a) is contained in 2 to 80 wt % of the total amount of the nematic liquid crystal composition, and the sum of b) and c) is contained in 20 to 98 wt % of the total amount of the nematic liquid crystal composition.