发明授权
- 专利标题： Projection screen using a bragg selective holographic element
- 专利标题（中）： 使用布拉格选择全息元件的投影屏幕
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申请号： US12214795申请日： 2008-06-20
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公开(公告)号： US08040601B1公开(公告)日： 2011-10-18
- 发明人: Pierre St. Hilaire
- 申请人： Pierre St. Hilaire
- 申请人地址： US CA Belmont
- 专利权人： AllView Research LLC
- 当前专利权人： AllView Research LLC
- 当前专利权人地址： US CA Belmont
- 代理机构： Van Pelt, Yi & James LLP
- 主分类号： G03B21/56
- IPC分类号： G03B21/56
摘要：
A front projection system comprises a display source and a front projection screen. A rear projection system comprises a display source and a rear projection screen. The display source generates illumination. The front or rear projection screen comprises a plurality of high aspect ratio structures are configured to act as a Bragg selective holographic element. The plurality of high aspect ratio structures are configured to diffract the illumination toward a viewer.
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