发明名称 |
Large-screen visualization device |
摘要 |
A device for visualizing an image on a large screen with a small projection distance, in which the image is formed by pieces on an assembly of liquid crystal cells for then projecting it onto a visualization screen by means of an assembly of lenses associated with the liquid crystal cells; to illuminate the cells a transparent plate is used forming a light-guide and which comprises an assembly of networks associated with the cells to extract the light from the plate and project it onto the cells.
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申请公布号 |
US4365869(A) |
申请公布日期 |
1982.12.28 |
申请号 |
US19800120127 |
申请日期 |
1980.02.11 |
申请人 |
THOMSON-CSF |
发明人 |
HARENG, MICHEL;LE BERRE, SERGE |
分类号 |
G02F1/13;G02F1/1335;G02F1/13357;G09F9/40;H04N5/74;(IPC1-7):G02F1/13 |
主分类号 |
G02F1/13 |
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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