发明授权
- 专利标题： Liquid crystal display
- 专利标题（中）： 液晶显示器
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申请号： US10530828申请日： 2004-08-10
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公开(公告)号： US07532283B2公开(公告)日： 2009-05-12
- 发明人: Tomoya Yano , Norimasa Furukawa , Hiroshi Murayama
- 申请人： Tomoya Yano , Norimasa Furukawa , Hiroshi Murayama
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Frommer Lawrence & Haug LLP
- 代理商 William S. Frommer
- 优先权： JP2003-291859 20030811
- 国际申请： PCT/JP2004/011489 WO 20040810
- 国际公布： WO2005/015297 WO 20050217
- 主分类号： G02F1/1335
- IPC分类号： G02F1/1335
摘要：
In case polarization plates (10A, 10B) including protective layers whose phase difference is negative are used, a retardation film optimized for the negative phase difference is placed in a position (P1) between a liquid crystal plane (20) and outgoing-side polarization plate (10A), in a position (P2) between the outgoing-side polarization plate (10A) and liquid crystal plate (20) or in both the positions (P1, P2) to reduce the leakage of black-level light directed at an angle 45 deg. Thus, in the in-plane switching (IPS) mode type liquid crystal display device, optical compensation is made to improve the viewing angle in black display.
公开/授权文献
- US20060098146A1 Liquid crystal display 公开/授权日：2006-05-11