发明名称 Optical device and projector
摘要 In an optical device ( 44 ), an optical axis (A) of a projection lens ( 46 ) is shifted relative to a central axis (C) of an image formation area of a liquid crystal panel ( 441 ), and a central axis (B) of a light-incident side of the cross dichroic prism ( 444 ) is shifted relative to a central axis (C) of the image formation area of a liquid crystal panel ( 441 ) to be located between the optical axis (A) of the projection lens ( 46 ) and the central axis (C) of the image formation area of the liquid crystal panel ( 441 ).
申请公布号 USRE40397(E1) 申请公布日期 2008.06.24
申请号 US20050223054 申请日期 2005.09.12
申请人 SEIKO EPSON CORPORATION 发明人 OGAWA YASUNORI
分类号 G03B21/14;G02B27/14;G02B27/28;H04N9/31 主分类号 G03B21/14
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