- 专利标题： Rear projection display device
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申请号： US11197414申请日： 2005-08-05
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公开(公告)号： US20060038963A1公开(公告)日： 2006-02-23
- 发明人: Kazuhiro Arai , Syoichi Yoshii
- 申请人： Kazuhiro Arai , Syoichi Yoshii
- 专利权人： SANYO ELECTRIC CO., LTD.
- 当前专利权人： SANYO ELECTRIC CO., LTD.
- 优先权： JP187893/1999 19990107; JP187894/1999 19990107
- 主分类号： G03B21/22
- IPC分类号： G03B21/22
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
- US07329004B2 Rear projection display device 公开/授权日：2008-02-12
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