A ferroelectric liquid crystal composition comprising at least one compound of the formula (I) :
wherein R1 is a straight or branched chain alkyl or alkoxy group having 1 to 15 carbon atoms
are, the same or different, a phenylene group which may be substituted by a halogen or a cyclohexylene group, X is a single bond or a vinyl or cyclopropylene group, Y is a methylene group or -COO- group, Z is a mono-, di- or trifluoromethyl group, m is an integer of 1 to 15 and R2 is a straight or branched chain alkyl group having 1 to 15 carbon atoms or a phenyl group, and a base liquid crystal material. This composition is used for a ferroelectric liquid crystal device .
一种
铁电液晶组合物,包含至少一种式(I)化合物:
其中 R1 是具有 1 至 15 个碳原子的直链或支链烷基或烷氧基
X是单键或
乙烯基或环
丙烯基,Y是亚甲基或-COO-基,Z是单
氟、二
氟或三
氟甲基,m是 1 至 15 的整数,R2是具有 1 至 15 个碳原子的直链或支链烷基或苯基,以及基质液晶材料。这种组合物可用于
铁电液晶器件。