发明授权
- 专利标题: Optical film, laminated polarizing plate, liquid crystal display using the same, and self-light-emitting display using the same
- 专利标题(中): 光学膜,层叠偏光板,使用其的液晶显示器和使用其的自发光显示器
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申请号: US10501959申请日: 2003-01-22
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公开(公告)号: US07054049B2公开(公告)日: 2006-05-30
- 发明人: Nao Murakami , Takashi Yamaoka , Hiroyuki Yoshimi , Yuuichi Nishikouji , Masaki Hayashi
- 申请人: Nao Murakami , Takashi Yamaoka , Hiroyuki Yoshimi , Yuuichi Nishikouji , Masaki Hayashi
- 申请人地址: JP Osaka
- 专利权人: Nitto Denko Corporation
- 当前专利权人: Nitto Denko Corporation
- 当前专利权人地址: JP Osaka
- 代理机构: Westerman, Hattori, Daniels & Adrian, LLP
- 优先权: JP2002-014529 20020123; JP2002-151337 20020524
- 国际申请: PCT/JP03/00510 WO 20030122
- 国际公布: WO03/062875 WO 20030731
- 主分类号: G02F1/03
- IPC分类号: G02F1/03 ; G02F1/1335 ; G02B5/30
摘要:
The present invention provides a transparent optical film that has excellent optical characteristics for realizing the uniform retardation distribution and restraining rainbow-colored irregularities. The optical film, which is obtained by laminating a birefringent layer (a) on a transparent film (b), satisfies all the following formulae (I), (II) and (III). Δn(a)>Δn(b)×10 (I) 1
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