申请人:Canon Kabushiki Kaisha
公开号:US04880560A1
公开(公告)日:1989-11-14
An optically active lactic acid derivative represented by the following formula (Ia) or (Ib): ##STR1## wherein R is a linear, branched or cyclic saturated or unsaturated hydrocarbon group having 1-16 carbon atoms, R.sup.1 is an alkyl group having 4-16 carbon atoms, m and n are respectively 1 or 2, k is 0 or 1, and C* is an asymmetric carbon atom. A liquid crystal composition containing the lactic acid derivative and a liquid crystal device using the liquid crystal composition are also disclosed.
以下是光学活性的乳酸衍生物的化学式(Ia)或(Ib):##STR1## 其中,R是具有1-16个碳原子的线性、分支或环状饱和或不饱和的烃基,R.sup.1是具有4-16个碳原子的烷基,m和n分别为1或2,k为0或1,C*是一个不对称的碳原子。还公开了含有乳酸衍生物的液晶组合物和使用该液晶组合物的液晶器件。