Optics: image projectors – Temperature control – Liquid coolant
Reexamination Certificate
2007-05-01
2007-05-01
Koval, Melissa Jan (Department: 2851)
Optics: image projectors
Temperature control
Liquid coolant
C353S052000
Reexamination Certificate
active
10919289
ABSTRACT:
A liquid crystal display device in which light from a light source enters a liquid crystal panel and exits therefrom for projection of an image and includes a heat conducting member and a cooling unit. The heat conducting member is contacted with at least one of a light incident surface and a light outgoing surface of the liquid crystal panel, is light-transmissive, and has a larger area than a light transmitting area of the liquid crystal panel. The cooling jacket, which comprises a flow channel for a cooling medium in its inside, is provided around the heat conducting member so that the flow channel exists only outside of the light transmitting area in a surface direction of the liquid crystal panel.
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Hoshino Masakazu
Morita Tatsuo
Ohashi Shigeo
Watanabe Katsuyuki
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Kong Andrew
Koval Melissa Jan
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