发明名称 Rear-screen projection television with spatial light modulator and positionable anamorphic lens
摘要 A television receiver (10) that has a spatial light modulator (15) and a projection lens (17a) and that projects images to a screen (18). If the aspect ratio of the image to be displayed does not match that of the spatial light modulator (15), an anamorphic lens (17b) is positioned in the optical path of the image, between the projection lens (17b) and the screen (18). In this case and in typical applications, the spatial light modulator (15) generates an image that is anamorphically squeezed in the horizontal dimension, and the anamorphic lens (17b) widens the image so that the viewer perceives a normal wide-screen image on the screen (18).
申请公布号 US6317171(B1) 申请公布日期 2001.11.13
申请号 US19980154425 申请日期 1998.09.16
申请人 TEXAS INSTRUMENTS INCORPORATED 发明人 DEWALD DUANE S.
分类号 H04N5/44;H04N5/46;H04N5/74;(IPC1-7):G02F1/00;H04N5/76 主分类号 H04N5/44
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