发明授权
US06419362B1 Liquid crystal projection apparatus 有权
液晶投影仪

Liquid crystal projection apparatus
摘要:
A PBS 31 for green and blue is used for separating a green light and a blue light and for combining green image light and blue image light, thereby to eliminate the necessity of letting light transmit an excessive path by using dichroic mirrors for color separation and a reflection mirror or the like.
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