发明授权
- 专利标题: Optically active liquid crystal compound and method of manufacturing the same, liquid crystal composition containing the same and liquid crystal display device
- 专利标题(中): 光学活性液晶化合物及其制造方法,含有该液晶组合物的液晶组合物和液晶显示装置
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申请号: US275383申请日: 1988-11-23
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公开(公告)号: US4976887A公开(公告)日: 1990-12-11
- 发明人: Kohki Takatoh , Masanori Sakamoto , Kazuyuki Sunohara
- 申请人: Kohki Takatoh , Masanori Sakamoto , Kazuyuki Sunohara
- 申请人地址: JPX Kawasaki
- 专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人: Kabushiki Kaisha Toshiba
- 当前专利权人地址: JPX Kawasaki
- 优先权: JPX63-9616 19880121
- 主分类号: C07C69/00
- IPC分类号: C07C69/00 ; C07C69/773 ; C09K19/32
摘要:
A compound represented by formula: ##STR1## In the formula, Ar represents ##STR2## and each of Ra and Rb independently represents an optically non-active alkyl group or an optically active group having an asymmetric carbon atom. Either Ra or Rb is the optically active group. X represents ##STR3## Each of l and m represents 0 or 1.
公开/授权文献
- US5568633A Process for managing a hierarcy of memories 公开/授权日:1996-10-22
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