申请人:Chisso Corporation
公开号:US04668427A1
公开(公告)日:1987-05-26
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 ##STR1## 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, --O--, ##STR2## Y represents --CH.sub.2 O-- or --OCH.sub.2 --; Z represents single bond, --O--, ##STR3## and m and n each represent 1 or 2.
提供了一种新型手性液晶化合物,其具有光学活性基团,当用作液晶显示元件时,可以提供更优异的响应速率;还提供了一种含有该手性液晶化合物的液晶组合物,该手性液晶化合物由以下公式表示:##STR1##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,--O--,##STR2##Y代表--CH.sub.2 O--或--OCH.sub.2 --;Z代表单键,--O--,##STR3## m和n各自代表1或2。