发明名称 |
Rear projection screen |
摘要 |
Provided is a rear projection screen having a front surface receiving light rays from a projector and a viewing surface formed with a lenticulated surface in which lenticules each consisting of a crest, troughs and flanks interconnecting the crest and trough are continuously laid. The flank surface is provided with, on at least a part thereof, a total reflecting surface on which all light rays impinging thereto are reflected and then emanate from the crest through a medium interface thereof. Further, a concave surface is provided in each crest portion.
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申请公布号 |
US4469402(A) |
申请公布日期 |
1984.09.04 |
申请号 |
US19820386255 |
申请日期 |
1982.06.08 |
申请人 |
MITSUBISHI RAYON CO., LTD. |
发明人 |
YATA, YUKIO;INAGAKI, KOICHI;YATABE, YOSHIO |
分类号 |
G03B21/60;G03B21/62;(IPC1-7):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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