发明授权
US08512825B2 Optical film and information technology apparatus comprising the same
有权
包括该光学薄膜和信息技术设备的光学薄膜和信息技术设备
- 专利标题： Optical film and information technology apparatus comprising the same
- 专利标题（中）： 包括该光学薄膜和信息技术设备的光学薄膜和信息技术设备
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申请号： US12319471申请日： 2009-01-07
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公开(公告)号： US08512825B2公开(公告)日： 2013-08-20
- 发明人: Dong-Ryul Kim , Boong-Goon Jeong , Dae-Woo Nam , Myeong-Geun Ko , Min-Hee Lee , Jun-Geun Um
- 申请人： Dong-Ryul Kim , Boong-Goon Jeong , Dae-Woo Nam , Myeong-Geun Ko , Min-Hee Lee , Jun-Geun Um
- 申请人地址： KR
- 专利权人： LG Chem, Ltd.
- 当前专利权人： LG Chem, Ltd.
- 当前专利权人地址： KR
- 代理机构： Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- 优先权： KR10-2008-0002347 20080108; KR10-2008-0058908 20080623
- 主分类号： G02B1/04
- IPC分类号： G02B1/04
摘要：
The present invention relates to an optical film that comprises an aromatic based resin comprising a chain having the hydroxy group containing portion and aromatic moiety and a polarizing plate and an information electronic device that include the same. The in-plane retardation Rin is in the range of 30 to 600 nm and the thickness retardation Rth is in the range of 30 to 400 nm.
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