Optically active compound, liquid crystal composition and liquid crystal device comprising same
申请人:SHARP KABUSHIKI KAISHA
公开号:EP0381149A2
公开(公告)日:1990-08-08
An optically active compound represented by the formula (I):
wherein R is a straight or branched chain alkyl or alkoxy group having 1 to 15 carbon atoms,
is a 1,4-cyclohexylene or 1,4-phenylene group,
is a 1,4-phenylene or 3-fluoro-1,4-phenylene group, X is a mono-, di- or tri-fluoromethyl group, W is a straight or branched chain or cyclic alkylene group having 1 to 16 carbon atoms or a straight or branched chain alkenylene group having 2 to 16 carbon atoms, Y is a bond or -COO-, and Z is a straight or branched chain alkyl group having 1 to 8 carbon atoms, a phenyl group or a hydrogen atom, which is useful as a component of ferroelectric liquid crystal compositions or as a device utilizing said composition.
由式 (I) 代表的光学活性化合物:
其中 R 是具有 1 至 15 个碳原子的直链或支链烷基或烷氧基、
是 1,4-环己烯或 1,4-亚苯基、
是 1,4-亚苯基或 3-氟-1,4-亚苯基,X 是单氟、二氟或三氟甲基,W 是具有 1 至 16 个碳原子的直链或支链或环状亚烷基,或具有 2 至 16 个碳原子的直链或支链烯基、Y 是键或-COO-,Z 是具有 1 至 8 个碳原子的直链或支链烷基、苯基或氢原子,可用作铁电液晶组合物的组分或利用所述组合物的装置。