Invention Grant
US08420854B2 Di(meth)acrylate compound, polymerizable liquid crystal composition, optical anisotropic material, optical element and optical information writing/reading device
失效
二(甲基)丙烯酸酯化合物,聚合性液晶组合物,光学各向异性材料,光学元件和光学信息写入/读取装置
- Patent Title: Di(meth)acrylate compound, polymerizable liquid crystal composition, optical anisotropic material, optical element and optical information writing/reading device
- Patent Title (中): 二(甲基)丙烯酸酯化合物,聚合性液晶组合物,光学各向异性材料,光学元件和光学信息写入/读取装置
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Application No.: US13344186Application Date: 2012-01-05
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Publication No.: US08420854B2Publication Date: 2013-04-16
- Inventor: Satoshi Okada , Makoto Hasegawa , Hiroshi Kumai , Hiromichi Nagayama
- Applicant: Satoshi Okada , Makoto Hasegawa , Hiroshi Kumai , Hiromichi Nagayama
- Applicant Address: JP Tokyo
- Assignee: Asahi Glass Company, Limited
- Current Assignee: Asahi Glass Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2009-161367 20090708; JP2010-146738 20100628
- Main IPC: C07C69/54
- IPC: C07C69/54 ; C07C69/73 ; C08F20/30 ; C09K19/38 ; G02F1/13 ; G11B7/135

Abstract:
The present invention provides an optical anisotropic material having a good light stability, and provides a di(meth)acrylate compound represented by the following formula (1) and a polymerizable liquid crystalline composition that are suitable for the production of the optical anisotropic material. Further, the present invention provides an optical element having a good light stability and an optical information writing/reading device using the same.
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