Illumination unit and liquid crystal display device using the unit

申请公布号：US7210841(B2)

申请号：US20040500123

申请日期：2004.06.25

申请公布日期：2007.05.01

申请人：

TOSHIBA MATSUSHITA DISPLAY TECHNOLOGY CO., LTD.

发明人：AMAYA TOSHIO

分类号：F21V7/04;G02F1/13;G02F1/133;G02F1/13357

主分类号：F21V7/04

摘要：The liquid crystal display device is provided with: light sources; light guiding plate for guiding light from the light sources to a direction of a liquid crystal panel; reflection sheet to cover the light guiding plate and light sources; frame portion for supporting the light guiding plate and light sources, both of which are covered with the reflection sheet (lighting element), from the upper side of the lighting element; rear face cover for housing the lighting element and fitted with the frame portion; and shield portion disposed between the rear face cover and lighting element. The shield portion is made from high heat conductivity material and shields gaps between the frame portion and rear face cover, gaps between the rear face cover and lighting element, and a plurality of heat discharge holes formed on the bottom of the rear face cover to isolate the display area from the gaps.

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