发明授权
- 专利标题： Ambient light absorbing screen
- 专利标题（中）： 环境吸光屏
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申请号： US11590506申请日： 2006-10-31
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公开(公告)号： US07499214B2公开(公告)日： 2009-03-03
- 发明人: Thomas E Novet , Gilbert G Smith
- 申请人： Thomas E Novet , Gilbert G Smith
- 申请人地址： US TX Houston
- 专利权人： Hewlett-Packard Development Company, L.P.
- 当前专利权人： Hewlett-Packard Development Company, L.P.
- 当前专利权人地址： US TX Houston
- 主分类号： G03B21/60
- IPC分类号： G03B21/60
摘要：
A projection screen for receiving projector light from a projector facing direction includes a substrate having a plurality of features. Each of the features includes a reflective surface oriented to the projector facing direction. Each of the reflective surfaces is curved in a first direction to provide a desired horizontal viewing angle, and is curved in a second direction to provide a desired vertical viewing angle.
公开/授权文献
- US20070217005A1 Ambient light absorbing screen 公开/授权日：2007-09-20
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