发明授权
- 专利标题： Optical film, and polarizing plate and liquid crystal display device using the optical film
- 专利标题（中）： 光学膜，偏光板和使用该光学膜的液晶显示装置
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申请号： US12032389申请日： 2008-02-15
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公开(公告)号： US08208197B2公开(公告)日： 2012-06-26
- 发明人: Tetsuya Asakura , Hiroyuki Yoneyama , Naohiro Matsunaga
- 申请人： Tetsuya Asakura , Hiroyuki Yoneyama , Naohiro Matsunaga
- 申请人地址： JP Tokyo
- 专利权人： Fujifilm Corporation
- 当前专利权人： Fujifilm Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Birch, Stewart, Kolasch & Birch, LLP
- 优先权： JPP2007-038544 20070219
- 主分类号： G02B5/20
- IPC分类号： G02B5/20 ; F21V9/06
摘要：
An optical film includes a filmy support that includes a polymer having all alicyclic structure; an ultraviolet absorbing layer; and a hardcoat layer, wherein the ultraviolet absorbing layer has a beam transmittance of 5% or less in a wavelength region of 200 to 340 nm and includes at least one ultraviolet absorbent selected from the group consisting of a metal oxide fine particle and a polymer particle.
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