发明名称 Projection-type image display apparatus
摘要 <p>An object of the present invention is to provide a projection-type image display apparatus improved in contrast. In order to achieve the above object, the present invention includes multiple LED elements 1, a controller 21 for conducting control so that part of the multiple LED elements emit light (See Fig 8b), an image display element 2R, 2B, 2G for forming a desired optical image from the light emitted from part of the LED elements, and a projector 3 for projecting the optical image formed by the image display element.</p>
申请公布号 GB2408375(A) 申请公布日期 2005.05.25
申请号 GB20040022910 申请日期 2004.10.14
申请人 * HITACHI LTD 发明人 FUTOSHI * YAMASAKI;MASAHIKO * YATSU
分类号 G02F1/13;G02F1/13357;G03B21/00;G03B21/14;G09G3/34;H04N5/74;H04N9/31;(IPC1-7):G09G3/34 主分类号 G02F1/13
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