Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Patent
1997-02-28
1998-04-21
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
349 58, 349161, G02F 11333, G02F 11335
Patent
active
057423660
ABSTRACT:
A display device which suppresses the rise in temperature while making the distribution of temperature uniform, and features high display quality and reliability. The display device employs a light-guide plate provided with a heat conduction plate of a large heat conductivity on the back surface thereof. A gap is provided between the heat conduction plate and a holding member on the lower surface that holds the heat conduction plate, fluorescent tubes and the light-guide plate.
REFERENCES:
patent: Re33987 (1992-07-01), Suzawa
patent: 4748546 (1988-05-01), Ukrainsky
patent: 5299038 (1994-03-01), Hamada et al.
Patent Abstracts of Japan, vol. 15, No. 477 (P-1283), Dec. 1991, Abstract of JP 3-204618, Sep. 1991.
Citizen Watch Co. Ltd.
Sikes William L.
Ton Toan
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