发明授权
- 专利标题： Homeotropic alignment liquid crystal film, optical film comprising the same, and image display device
- 专利标题（中）： 垂直取向液晶膜，含有它们的光学膜和图像显示装置
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申请号： US11781460申请日： 2007-07-23
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公开(公告)号： US07732024B2公开(公告)日： 2010-06-08
- 发明人: Hitoshi Mazaki , Takashi Seki , Takuya Matsumoto , Tetsuya Uesaka , Akio Mutou
- 申请人： Hitoshi Mazaki , Takashi Seki , Takuya Matsumoto , Tetsuya Uesaka , Akio Mutou
- 申请人地址： JP Tokyo
- 专利权人： Nippon Oil Corporation
- 当前专利权人： Nippon Oil Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Panitch Schwarze Belisario & Nadel LLP
- 优先权： JP2005-032238 20050208; JP2005-160214 20050531; JP2005-198089 20050706; JP2005-259838 20050907
- 主分类号： G02F1/1337
- IPC分类号： G02F1/1337 ; G02F1/1335
摘要：
A homeotropic alignment liquid crystal film is provided with a liquid crystalline substance containing a side chain liquid crystalline compound having an oxetanyl group, as a constituent, aligned homeotropically on an alignment substrate while being in a liquid crystal state and fixed in the homeotropic alignment by allowing the oxetanyl group to react. Thus, the homeotropic alignment liquid crystal film can be stably produced without necessitating a complicated step such as light irradiation under an inert gas atmosphere and is excellent in alignment retainability after being fixed in the homeotropic alignment and in mechanical strength.
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