发明授权
- 专利标题: Rear projection display device
- 专利标题(中): 背投显示装置
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申请号: US11500403申请日: 2006-08-08
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公开(公告)号: US07264357B2公开(公告)日: 2007-09-04
- 发明人: Kazuhiro Arai , Syoichi Yoshii
- 申请人: Kazuhiro Arai , Syoichi Yoshii
- 申请人地址: JP Moriguchi
- 专利权人: Sanyo Electric Co., Ltd.
- 当前专利权人: Sanyo Electric Co., Ltd.
- 当前专利权人地址: JP Moriguchi
- 代理机构: NDQ&M Watchstone LLP
- 代理商 S. Peter Konzel
- 优先权: JP1999-187893 19990701; JP1999-187894 19990701
- 主分类号: G03B21/00
- IPC分类号: G03B21/00 ; G03B21/28 ; G03B21/26 ; G03B21/14 ; G03B21/56 ; G03B21/22 ; G02F1/1335
摘要:
A rear projection display device improves the brightness by improving the utilization efficiency of image light projected to a screen from slantly below. At least a green component of the image light is P-polarized to the screen (7). Therefore, reflection of light on the screen (7) is reduced.
公开/授权文献
- US20060285082A1 Rear projection display device 公开/授权日:2006-12-21
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