Optics: image projectors – Cabinet encloses projector and one side of screen
Patent
1996-04-18
1997-03-25
Dowling, William
Optics: image projectors
Cabinet encloses projector and one side of screen
359456, 359460, G03B 2128
Patent
active
056137486
ABSTRACT:
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.degree. to less than 100.degree.. The transmission screen also includes a glossy light absorbing layer and a substantially smooth mirror surface at a light exit surface thereof.
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Hirata Koji
Ohsawa Atsuo
Wada Kiyoshi
Yoshida Takahiko
Yoshikawa Hiroki
Dowling William
Hitachi , Ltd.
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