发明授权
- 专利标题： Liquid crystal projection apparatus
- 专利标题（中）： 液晶投影仪
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申请号： US09528984申请日： 2000-03-20
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公开(公告)号： US06419362B1公开(公告)日： 2002-07-16
- 发明人: Takashi Ikeda , Hideyuki Kanayama
- 申请人： Takashi Ikeda , Hideyuki Kanayama
- 优先权： JP11-093148 19990331
- 主分类号： G03B2114
- IPC分类号： G03B2114
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.