Liquid crystal display apparatus

Details Liquid crystal display apparatus Liquid crystal display apparatus

2008-08-14

2010-12-21

Stahl, Mike (Department: 2874)

Liquid crystal cells, elements and systems

Particular structure

Holder, support, frame, or housing

C349S064000

Reexamination Certificate

active

07855760

ABSTRACT:
In a liquid crystal apparatus in which a white light of a fluorescent tube corresponding to a linear light source repeats plural times of diffusions and reflections between a reflection sheet and a diffusion plate, and is thereafter input as a back light to a liquid crystal panel corresponding to a display screen, an object of the invention is to make it possible to secure a brightness uniformity even if the liquid crystal apparatus is thinned. It is possible to prevent a brightness unevenness caused by a short distance from the reflection sheet to the diffusion plate, by preventing a deformation (a deformation which is convex toward the fluorescent tube) of the diffusion plate due to a thermal expansion of the diffusion plate caused by a heat generation of the fluorescent tube, by arranging at least one pin mold hold so as to support a portion near an approximately center of the diffusion plate.

REFERENCES:
patent: 2002/0044437 (2002-04-01), Lee
patent: 2005/0162868 (2005-07-01), Kim
patent: 2007/0195223 (2007-08-01), Nishiyama et al.
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patent: 2004-233828 (2004-08-01), None
patent: 2005-347062 (2005-12-01), None
patent: 2006-208466 (2006-08-01), None
patent: 2007-225781 (2007-09-01), None

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