Liquid crystal display having a frame which does not transmit li

Details Liquid crystal display having a frame which does not transmit li Liquid crystal display having a frame which does not transmit li

1993-10-13

1996-08-13

Sikes, William L.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 83, 362 31, F21V 704, G02F 11333, G02F 11335

Patent

active

055462030

ABSTRACT:
A liquid crystal display device is provided with a heat releasing means. The heat releasing means is constructed such that a frame for fixing a liquid crystal display board to an illuminating device has a cutout formed in a position corresponding to a light source in order to expose a holding member of the light source for releasing heat. Alternatively, the heat releasing means is constructed by providing a metallic plate in a portion corresponding to the light source. With these means, it is possible to prevent local rise of temperature in the edge portion of the liquid crystal board.

REFERENCES:
patent: 4748546 (1988-05-01), Ukrainsky
patent: 5146354 (1992-09-01), Plesinger
patent: 5317430 (1994-05-01), Uratani
patent: 5334993 (1994-08-01), Okajima

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