发明名称 |
Ambient light absorbing screen |
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.
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申请公布号 |
US7499214(B2) |
申请公布日期 |
2009.03.03 |
申请号 |
US20060590506 |
申请日期 |
2006.10.31 |
申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. |
发明人 |
NOVET THOMAS E;SMITH GILBERT G |
分类号 |
G03B21/60 |
主分类号 |
G03B21/60 |
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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