Liquid crystal display device

Liquid crystal cells – elements and systems – Particular structure – Holder – support – frame – or housing

Reexamination Certificate

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Details

C349S060000, C349S065000

Reexamination Certificate

active

07969525

ABSTRACT:
There is provided a light source, which can efficiently be housed even if the area of the substrate increases while giving extra consideration to the heat radiation of the light emitting diodes in a liquid crystal display device using the light emitting diodes as a light source. A plate-like light source section is formed by arranging the light emitting diodes on a metal substrate. The plate-like light source section is formed to have a larger area than an entrance surface of a light guide plate, and is disposed so as to face the entrance surface of the light guide plate. The light guide plate and the plate-like light source section are housed in a housing case, and the housing case is formed to have a larger depth in a part for housing the plate-like light source section than in a part for housing the light guide plate. A cushion member is provided between the light guide plate and the housing case to prevent the light guide plate from being moved by vibrations.

REFERENCES:
patent: 2003/0223218 (2003-12-01), Kawakami
patent: 2006/0268194 (2006-11-01), Morimoto et al.
patent: 2007/0133222 (2007-06-01), Watanabe et al.
patent: 2007/0147074 (2007-06-01), Sakai et al.
patent: 2007/0211191 (2007-09-01), Cho et al.
patent: 2008/0024694 (2008-01-01), Kondo et al.
patent: 2008/0049444 (2008-02-01), Hsiao et al.
patent: 2009/0116222 (2009-05-01), Hamada
patent: 64-088426 (1989-04-01), None
patent: 2005-077753 (2005-03-01), None
“3M Thermally Conductive Interface Pads—5506, 5506S, 5509, 5509S”. Data sheet retrieved from http://www.saunderscorp.com/files/materials/3M-5506.pdf, dated Dec. 2005.

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