发明授权
US08497959B2 Optical film and liquid crystal display 有权
光学薄膜和液晶显示屏

  • 专利标题: Optical film and liquid crystal display
  • 专利标题(中): 光学薄膜和液晶显示屏
  • 申请号: US13121217
    申请日: 2009-09-18
  • 公开(公告)号: US08497959B2
    公开(公告)日: 2013-07-30
  • 发明人: Taku Hatano
  • 申请人: Taku Hatano
  • 申请人地址: JP Tokyo
  • 专利权人: Zeon Corporation
  • 当前专利权人: Zeon Corporation
  • 当前专利权人地址: JP Tokyo
  • 代理机构: Birch, Stewart, Kolasch & Birch, LLP
  • 优先权: JP2008-250161 20080929
  • 国际申请: PCT/JP2009/066443 WO 20090918
  • 国际公布: WO2010/035720 WO 20100401
  • 主分类号: G02F1/1335
  • IPC分类号: G02F1/1335
Optical film and liquid crystal display
摘要:
An optical film includes: a layer A formed of a resin composition P1 containing a resin x1 having a positive intrinsic birefringence value and a resin y1 having a negative intrinsic birefringence value; and a layer B formed of a resin composition P2 containing a resin x2 having a positive intrinsic birefringence value and a resin y2 having a negative intrinsic birefringence value. In the optical film, retardations R450, R550, and R650 at an incident angle of 0° satisfy the relationship of R450
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