发明授权
US06800220B2 OPTICALLY ACTIVE POLYESTER, PHOTOREACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, RECORDING MEDIUM, METHOD OF CHANGING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL, AND METHOD OF FIXING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL
有权
光学活性聚酯，光催化剂，液晶组合物，液晶彩色滤光片，光学膜，记录介质，更换液晶的螺旋结构的方法，以及固定液晶的螺旋结构的方法
- 专利标题： OPTICALLY ACTIVE POLYESTER, PHOTOREACTIVE CHIRAL AGENT, LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTAL COLOR FILTER, OPTICAL FILM, RECORDING MEDIUM, METHOD OF CHANGING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL, AND METHOD OF FIXING THE HELICAL STRUCTURE OF A LIQUID CRYSTAL
- 专利标题（中）： 光学活性聚酯，光催化剂，液晶组合物，液晶彩色滤光片，光学膜，记录介质，更换液晶的螺旋结构的方法，以及固定液晶的螺旋结构的方法
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申请号： US10143876申请日： 2002-05-14
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公开(公告)号： US06800220B2公开(公告)日： 2004-10-05
- 发明人: Masatoshi Yumoto , Mitsuyoshi Ichihashi , Kouya Kawabata
- 申请人： Masatoshi Yumoto , Mitsuyoshi Ichihashi , Kouya Kawabata
- 优先权： JP2001-144532 20010515
- 主分类号： C09K1938
- IPC分类号： C09K1938
摘要：
The present invention discloses an optically active polyester comprising at least constituent units represented by the general formula (I) and the general formula (II): wherein Ar1 and Ar2 each independently represents a bivalent aromatic group or a bivalent heteroaromatic group, and X1 and X2 each independently represents a hydrogen atom or an electron-withdrawing group, wherein A represents a bivalent substituent.
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