发明授权
- 专利标题: Optically anisotropic sheet comprising aligned discotic liquid crystal molecules
- 专利标题(中): 光学各向异性片材包含对准的盘状液晶分子
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申请号: US09819861申请日: 2001-03-29
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公开(公告)号: US06770334B2公开(公告)日: 2004-08-03
- 发明人: Masayuki Negoro , Jiro Yamaguchi , Ken Kawata
- 申请人: Masayuki Negoro , Jiro Yamaguchi , Ken Kawata
- 优先权: JP2000-091888 20000329; JP2000-214582 20000714
- 主分类号: C09K1900
- IPC分类号: C09K1900
摘要:
An optically anisotropic sheet comprises an optically anisotropic layer, an orientation layer and a transparent support in this order. The optically anisotropic layer is formed from discotic liquid crystal molecules. The orientation layer is subjected to rubbing treatment. The discotic liquid crystal molecules are aligned with the orientation layer. An average inclined angle of discotic planes of the discotic liquid crystal molecules is in the range of 50° to 90°. An average direction of optical axes of the discotic liquid crystal molecules is essentially parallel to a rubbing direction of the orientation layer.
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