发明名称 |
FLAT VALLEY FRESNEL LENS FOR A DISPLAY DEVICE |
摘要 |
A Fresnel lens for a display device is provided. The Fresnel lens includes a first sloped surface angled to receive input light, a second sloped surface facing the first sloped surface, and a valley floor linking the first sloped surface to the second sloped surface. The valley floor may be configured to scatter stray light reflected from the first sloped surface. |
申请公布号 |
WO2005067623(A2) |
申请公布日期 |
2005.07.28 |
申请号 |
WO2005US00375 |
申请日期 |
2005.01.05 |
申请人 |
INFOCUS CORPORATION |
发明人 |
PETERSON, MARK, D.;GOHMAN, JEFFREY, A. |
分类号 |
G02B3/08;G03B21/06;G03B21/62 |
主分类号 |
G02B3/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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