发明授权
- 专利标题: Liquid crystal composition, liquid crystal device, display apparatus and display method
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申请号: US710773申请日: 1991-06-05
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公开(公告)号: US5269964A公开(公告)日: 1993-12-14
- 发明人: Masataka Yamashita , Masahiro Terada , Shosei Mori , Kazuharu Katagiri
- 申请人: Masataka Yamashita , Masahiro Terada , Shosei Mori , Kazuharu Katagiri
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX2-148791 19900606
- 主分类号: G02F1/13
- IPC分类号: G02F1/13 ; C07C43/225 ; C07C69/75 ; C07C69/753 ; C07C69/773 ; C07C69/92 ; C07C69/94 ; C07D239/26 ; C07D239/28 ; C07D239/34 ; C07D277/20 ; C07D277/24 ; C07D277/30 ; C07D417/00 ; C09K19/34 ; C09K19/42 ; C09K19/46 ; C09K19/52
摘要:
A liquid crystal composition comprising at least one mesomorphic compound represented by the following formula (I): ##STR1## wherein R.sub.1 and R.sub.2 respectively denote a linear or branched alkyl group having 1-16 carbon atoms optionally substituted; Z.sub.1 denotes a single bond, --O--, --COO-- or --OCO--; X.sub.1 denotes halogen; and A.sub.1 denotes a single bond or ##STR2## and at least one mesomorphic compound represented by the following formula (II): ##STR3## wherein R.sub.3 and R.sub.4 respectively denote an alkyl group having 2-16 carbon atoms optionally substituted; Y.sub.1 denotes a single bond, ##STR4## Z.sub.2 and Z.sub.3 respectively denote a single bond, --O--, ##STR5## A.sub.2 and A.sub.3 respectively denote a single bond, ##STR6## X.sub.2 and X.sub.3 respectively denote hydrogen, F, Cl, Br, --CH.sub.3, --CN or --CF.sub.3 ; and k is 0 or 1 with the proviso that Z.sub.2 is a single bond when A.sub.2 is a single bond, and Z.sub.3 is a single bond when A.sub.3 is a single bond and k is 0. The liquid crystal composition is easily aligned by a simple rubbing method to provide a uniform monodomain and further provides wider driving voltage and temperature margins effective for providing a practical ferroelectric liquid crystal device.
公开/授权文献
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