Liquid crystal display panel with heat radiation plate

Details Liquid crystal display panel with heat radiation plate Liquid crystal display panel with heat radiation plate

2004-10-14

2008-08-12

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S058000, C349S067000, C349S070000, C349S149000, C361S692000, C361S697000, C361S711000

Reexamination Certificate

active

07411648

ABSTRACT:
An auxiliary plate (10) is fixed to a rear plane of a housing for fixedly holding a lamp unit (6) having a plurality of lamps. In the auxiliary plate (10), a convex portion and a concave portion are combined. The convex portion has a space between the housing and itself, which is formed by protruding a sheet metal, and the concave portion contacts with the housing by denting the sheet metal. In the auxiliary plate10, an area for mounting a board vulnerable to heat is formed with the convex portion and an air layer performs as heat insulation. The convex and concave portions are arrayed in a direction where heated air easily flows in another area. Thus, rigidity can be remarkably increased compared to a flat-shaped sheet metal, and heat generated by a backlight is effectively dissipated, as well as a temperature rise and an occurrence of a temperature gradient are suppressed.

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