发明名称 PROJECTION DISPLAY DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide a projection display device capable of achieving smooth and effective cooling of a projection lens unit. <P>SOLUTION: A projector includes an optical engine 20 which modulates light on the basis of a video signal, a projection lens unit 30 which includes a resin lens and projects the light modulated by the optical engine 20. A projection port 121 through which light from the projection lens unit 30 passes is formed in a body cabinet 10. An air inlet 111 is formed below the projection port 121 of the body cabinet 10. Furthermore, the projector has an exhaust path EW and a first ventilation fan 801 which draw in air from the air inlet 111 and allow the drawn-in air to flow along the projection lens unit 30. <P>COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011154135(A) 申请公布日期 2011.08.11
申请号 JP20100014823 申请日期 2010.01.26
申请人 SANYO ELECTRIC CO LTD 发明人 HASHIBA YUJI;YAMAMOTO YUSUKE;SARUWATARI TOSHIHIRO
分类号 G03B21/16;G03B21/00;H04N5/74 主分类号 G03B21/16
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