| abstract |
Disclosed are a liquid crystal composition comprising a liquid of formula I and formula II-B, and a liquid crystal compound and a related liquid crystal display device n nwherein R 0 , R 1 , R 2 and R 3 each independently represent an alkyl group having a carbon atom number of 1-10, a fluoro-substituted alkyl group having a carbon atom number of 1-10, an alkoxy group having a carbon atom number of 1-10, a fluoro-substituted alkoxy group having a carbon atom number of 1-10, an alkenyl group having a carbon atom number of 2-10, a fluoro-substituted alkenyl group having a carbon atom number of 2-10, an alkenoxy group having a carbon atom number of 3-8 or a fluoro-substituted alkenoxy group having a carbon atom number of 3-8, and any one or more non-connected CH 2 in R 0 , R 1 , R 2 and R 3 may be substituted with cyclopentyl, cyclobutyl, cyclopropyl or —O—; Y represents ethyl or ethenyl;n n neach independently represent one ofn n nand any fluorobenzene;n n nrepresents benzene or fluorobenzene; and m represents one of 1, 2 and 3, and n represents one of 1 and 0. |