发明名称 Image display apparatus, and transmissive screen and reflecting mirror used for same
摘要 The present invention provides a technique suitable for making a set more compact by realizing reduction in height and reduction in depth. An image display apparatus of the present invention includes a reflecting mirror ( 4 ) for reflecting the image sent from a projection lens ( 2 ), and guiding the image to a transmissive screen ( 3 ). The reflecting-mirror ( 4 ) includes a planar mirror section ( 4 a) for reflecting, of the entire image exiting the projection lens ( 2 ), only image portions projected onto the upper section of the transmissive screen ( 3 ), and a Fresnel mirror section ( 4 b) with multiple reflective prisms for reflecting only image portions projected onto the lower section of the screen ( 3 ).
申请公布号 US2006092510(A1) 申请公布日期 2006.05.04
申请号 US20050062742 申请日期 2005.02.23
申请人 IMAFUKU DAISUKE;YOSHIKAWA HIROKI;OHISHI TETSU 发明人 IMAFUKU DAISUKE;YOSHIKAWA HIROKI;OHISHI TETSU
分类号 G03B21/56 主分类号 G03B21/56
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