Optics: image projectors – Plural projection paths with single light source
Patent
1986-12-05
1988-09-20
Miller, Stanley D.
Optics: image projectors
Plural projection paths with single light source
353 54, 353 60, G02F 113
Patent
active
047720980
ABSTRACT:
A liquid crystal display device for enlarging and projecting an image displayed on a transmission liquid crystal display panel through a projecting lens onto a screen by radiating a light from a light source to the panel, has a heat pipe inserted into a transparent cooling vessel filled with transparent cooling liquid for externally radiating heat absorbed by the liquid to suppress the temperature rise of the panel due to the light incident to the panel.
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patent: 4167310 (1979-09-01), Persha et al.
patent: 4196976 (1980-04-01), Hoffman
patent: 4669842 (1987-06-01), Yomoda et al.
patent: 4671634 (1987-06-01), Kizaki et al.
Casio Computer Co. LTD.
Duong Tai Van
Miller Stanley D.
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