Environmentally-sealed, convectively-cooled active matrix liquid crystal display (LCD)
AssigneeWestinghouse Air Brake Company
InventorsDavid Bennitt Harris, Barry Morris Mathieu, Jeffrey Alan Dobratz, Mark Allen Uehling, Robert Charles Kull
Life of this patent
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Abstract
A display unit for use with a computer and a power supply, includes an environmentally-sealed enclosure having a removable cover, and housing a liquid crystal display screen, the removable cover serving as an integral heat sink for the power supply, the power supply being mounted on the internal surface of the cover. Further, a backlighting device backlights the display screen, and a cooling plenum conductively and convectively cools the backlighting device, the backlighting device being mounted directly on a surface of the plenum.
Claims20
A display unit for use with a computer and a power supply, comprising:
- an environmentally-sealed enclosure having a removable cover, and housing a liquid crystal display screen, said removable cover serving as an integral heat sink for said power supply, the power supply being mounted on the internal surface of the cover;
- backlighting means for backlighting said display screen;
- and
- a cooling plenum for conductively and convectively cooling the backlighting means, said backlighting means being mounted directly on a surface of said plenum.
An integrated computer system including:
- a power supply;
- a display unit powered by said power supply, said display unit comprising:
- an environmentally-sealed enclosure having a removable cover, and housing a liquid crystal display screen, said removable cover serving as an integral heat sink for said power supply, the power supply being mounted on the internal surface of the cover;
- backlighting means for backlighting said display screen;
- and
- a cooling plenum for conductively and convectively cooling the backlighting means, said backlighting means being mounted directly on a surface of said plenum.
Dependencies are inferred from the claim text.