Liquid crystal compound having methyleneoxy group and composition containing same
申请人:Chisso Corporation
公开号:EP0174191A1
公开(公告)日:1986-03-12
A novel chiral liquid crystal compound having an optically active group which affords a superior response rate when used as a liquid crystal display element, and a liquid crystal composition containing the same are provided, which chiral liquid crystal compound is expressed by the formula
wherein R represents an alkyl group of 1 to 18 carbon atoms; R* represents an optically active alkyl group of 4 to 15 carbon atoms; X represents single bond,
represents -CH20- or -OCH2-; Z represents single bond,
and m and n each represent 1 or 2.
本发明提供了一种新型手性液晶化合物(具有光学活性基团,用作液晶显示元件时响应速度更快)和一种含有该化合物的液晶组合物,其手性液晶化合物的表达式为
其中 R 代表 1 至 18 个碳原子的烷基;R* 代表 4 至 15 个碳原子的光学活性烷基;X 代表单键、
代表-CH20-或-OCH2-; Z代表单键、
以及 m 和 n 分别代表 1 或 2。