发明授权
- 专利标题： Antiferroelectric liquid crystal compound and antiferroelectric liquid crystal composition containing the same
- 专利标题（中）： 含有它的反铁电液晶化合物和反铁电液晶组合物
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申请号： US653744申请日： 1996-05-23
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公开(公告)号： US5667722A公开(公告)日： 1997-09-16
- 发明人: Yukiharu Iwaya , Mamoru Yamada , Hitoshi Kondo , Toshimitsu Hagiwara
- 申请人： Yukiharu Iwaya , Mamoru Yamada , Hitoshi Kondo , Toshimitsu Hagiwara
- 申请人地址： JPX Tokyo
- 专利权人： Takasago International Corporation
- 当前专利权人： Takasago International Corporation
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX7-152753 19950529
- 主分类号： G02F1/137
- IPC分类号： G02F1/137 ; C07D239/34 ; C09K19/02 ; C09K19/34 ; G02F1/13 ; G02F1/141 ; C07D239/02
摘要：
An antiferroelectric liquid crystal compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having 6 to 16 carbon atoms; R.sup.2 represents a straight chain alkyl group having 3 to 8 carbon atoms or a branched alkyl group having 4 to 10 carbon atoms; and * means an asymmetric carbon atom, and an antiferroelectric liquid crystal composition comprising at least one liquid crystal compound as defined above. The optically active compound of the present invention is highly miscible with a number of known antiferroelectric liquid crystal compounds and thus capable of providing liquid crystal materials having improved temperature properties. A liquid crystal composition containing the optically active compound of the present invention is applicable to electro-optical devices with the use of antiferroelectric liquid crystals.