发明申请
- 专利标题： LIGHT SHIELD USED IN PROJECTOR
- 专利标题（中）： 投影机使用的光泽
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申请号： US12110544申请日： 2008-04-28
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公开(公告)号： US20090051885A1公开(公告)日： 2009-02-26
- 发明人: Hou-Chen Lu , Kai Huang
- 申请人： Hou-Chen Lu , Kai Huang
- 申请人地址： TW Tu-Cheng
- 专利权人： HON HAI PRECISION INDUSTRY CO., LTD.
- 当前专利权人： HON HAI PRECISION INDUSTRY CO., LTD.
- 当前专利权人地址： TW Tu-Cheng
- 优先权： CN200710201444.1 20070823
- 主分类号： G03B21/14
- IPC分类号： G03B21/14 ; F21V1/12
摘要：
A projector includes a casing, a light source, and a heat dissipation device. The light source and the heat dissipation device are installed inside the casing. Two openings are formed at two sides of the casing opposing to the light source. A light shield is positioned on one of the two openings. The light shield has a fixing plate, and a plurality of first parallel light-shielding plates and a plurality of second parallel light-shielding plates for blocking light leaking from the openings.
公开/授权文献
- US07926954B2 Light shield used in projector 公开/授权日：2011-04-19
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