发明名称 PROJECTION TYPE VIDEO DISPLAY DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a projection type video display device that can suppress an increase in overall cost of the device even when light of four or more colors is used. <P>SOLUTION: A projection type video display device 100 is configured to separate the light emitted from a light source 10 into component light of each color, guide the light to liquid crystal panels 30R, 30G, and 30B for modulating the component light of each color (R,G,B), and project video light generated by the liquid crystal panels 30R, 30G, and 30B. The projection type video display device 100 is provided with a polarization state adjustment element 30 Ye of an edge filter type that adjusts a light quantity of light Ye having another wavelength band without adjusting the light quantity of specific wavelength band light G which is emitted to the liquid crystal panel 30G. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012068648(A) 申请公布日期 2012.04.05
申请号 JP20110231488 申请日期 2011.10.21
申请人 SANYO ELECTRIC CO LTD 发明人 KANAYAMA HIDEYUKI;MAEDA MAKOTO;IKEDA TAKASHI;MASUTANI TAKESHI
分类号 G03B21/14;G02B5/28;G02F1/13;G02F1/1335;G02F1/13357;G02F1/13363;G03B21/00 主分类号 G03B21/14
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