发明名称 |
Chromatic light separator and picture projector using a chromatic light separator |
摘要 |
This invention concerns chromatic light separators, and is particularly intended to reduce their dimensions. A chromatic separator in accordance with the invention contains at least two selective wave length mirrors. According to one characteristic of the invention, the two selective mirrors are nested holographic mirrors. The invention is particularly suitable for three-color rear-projection type picture projectors using liquid crystal screens.
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申请公布号 |
US5546200(A) |
申请公布日期 |
1996.08.13 |
申请号 |
US19930063741 |
申请日期 |
1993.05.20 |
申请人 |
THOMSON-CSF |
发明人 |
NICOLAS, CHRISTOPHE;LOISEAUX, BRIGITTE;JOUBERT, C+E,ACU E+EE CILE;HUIGNARD, JEAN-PIERRE |
分类号 |
G02B5/32;G02B27/14;G02F1/13;H04N9/31;(IPC1-7):G02B5/32;G03H1/10 |
主分类号 |
G02B5/32 |
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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