发明名称 |
Light transmission screen and its manufacturing method |
摘要 |
The present invention makes it possible to improve color shift, shading and view angles, to prevent external light absorption and reflection, to enhance external light contrast, to eliminate reflection of external images that appear on a light transmission screen's face plate, and to provide distinct pictures free of the adverse effects of dust. The light transmission screen disclosed by the present invention comprises a Fresnel lens sheet, a transparent lenticular lens sheet arranged on the Fresnel lens sheet's radiant light side and a front diffusion panel formed of a thin diffusion layer and a transparent layer and arranged on the lenticular lens sheet's light radiant side.
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申请公布号 |
US5815313(A) |
申请公布日期 |
1998.09.29 |
申请号 |
US19950390779 |
申请日期 |
1995.02.17 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MITANI, KATSUAKI;SAKAGUCHI, HIROKAZU;AOKI, SATOSHI |
分类号 |
G03B21/62;(IPC1-7):G03B21/56 |
主分类号 |
G03B21/62 |
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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