| abstract |
(57) [Abstract] [Purpose] A liquid crystal material for AM-LCD with a wide nematic range. [Structure] Chemical formula group [Chemical formula 1] A liquid crystal composition comprising the first component of formula I, the second component of formula II, III or IV and the third component of formula V or VI shown in Where R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are C 1-10 alkyl and R 7 is C 1-10 alkyl or alkoxy, Z 0 , Z 1 , Z 2 and Z 3 are -CH 2 CH 2 -or a single bond, Q 0 , Q 1 , Q 2 , L 1 and L 2 are H or F , Q 1 and Q 2 are also Cl, n is 1 or 2, X is F, Cl, CF 3 , The OCF 3, OCHF 2, OCF 2 Cl or OCF 2 CHFCF 3, A, B , C and D Represents trans-1,4-cyclohexylene or 1,4-phenylene, respectively. |