Liquid crystal display device and backlight device
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United States of America Patent
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N/A
Issued Date -
Jun 14, 2007
app pub date -
Dec 12, 2006
filing date -
Dec 12, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a liquid crystal display device having a backlight device which can fix an LED light source at an optimum position with respect to a light guide plate and also can effectively radiate heat. In a liquid crystal display device which includes a liquid crystal panel and a backlight device, the backlight device includes a light guide plate, a printed circuit board which mounts a LED light source which is arranged to face a side surface of the light guide plate thereon and forms a leg portion thereon, and a metal-made lower frame member which is positioned on a surface of the printed circuit board opposite to a side on which a leg portion of the printed circuit board and the LED light source are mounted, wherein the printed circuit board is a board which adopts a metal member as a base, the lower frame member includes a hole portion into which a leg portion of the printed circuit board is inserted, and the printed circuit board has the leg portion thereof inserted into the hole portion of the lower frame member, and has a surface thereof on a side opposite to a side on which the LED light source is mounted fixed to the lower frame member by a pressure sensitive adhesive double-coated tape.
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