发明名称 PROJECTOR
摘要 <P>PROBLEM TO BE SOLVED: To provide a projector equipped with an optical modulating device having, on the emitting surface side, a polarizing element having excellent light resistance and heat resistance and a long service life, and hardly causing a reflecting phenomenon of a panel. <P>SOLUTION: A second polarizing filter 43b on the emission side in a liquid crystal light valve 40b for a green color is a polarizing element formed of an inorganic material. The light resistance and heat resistance of the second polarizing filer 43b is thereby improved to lengthen a service life of the second polarizing filter 43b and in its turn the service life of the projector 100. Further, the second polarizing filer 43b is not only an absorption type polarizing plate for absorbing non-transmitted light but also arranged inclining with respect to a system optical axis OA. Consequently, even a slight reflection from the second polarizing filter 43b can be prevented from returning along the system optical axis OA, and the reflecting phenomenon of the liquid crystal panel 41b can be avoided. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2009222833(A) 申请公布日期 2009.10.01
申请号 JP20080065290 申请日期 2008.03.14
申请人 SEIKO EPSON CORP 发明人 HIRANO KUNIYUKI;HAYASHI DAISUKE
分类号 G03B21/00;G02F1/1335;G02F1/13357 主分类号 G03B21/00
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