发明名称 Rear projection type image display apparatus and transmission type screen used therein
摘要 A transmission screen for a rear projection type image display apparatus having at least one image generation source for displaying images, at least one projection lens for enlarging and projecting images displayed on the at least one image generation source onto a rear portion of the transmission screen for display. The transmission screen of the image display apparatus enables display of the images projected onto the transmission screen with a contrast of at least 70. Further, the transmission screen enables display with a field angle within a range of at least 72 DEG to less than 100 DEG . The transmission screen also includes a glossy light absorbing layer and a substantially smooth mirror surface at a light exit surface thereof.
申请公布号 US5590943(A) 申请公布日期 1997.01.07
申请号 US19930077780 申请日期 1993.06.18
申请人 HITACHI, LTD. 发明人 YOSHIDA, TAKAHIKO;HIRATA, KOJI;OSAWA, ATSUO;WADA, KIYOSHI;YOSHIKAWA, HIROKI
分类号 G09G3/18;G03B21/28;G03B21/60;G03B21/62;H04N5/74;(IPC1-7):G03B21/28 主分类号 G09G3/18
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