Title:
LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/063666
Kind Code:
A1
Abstract:
Provided is a liquid crystal display device that is capable of improving heat dissipation of an LED by a simple configuration. The liquid crystal display device (100) comprises a liquid crystal panel (10) and a backlight unit (50), wherein the backlight unit (50) comprises: an LED substrate (32) on which a plurality of LED elements (31) are arranged; a heat spreader (34) that disperses the heat of the LED substrate (32); a backlight (30); and a backlight chassis (40). A trench (36) having an air layer (35) is formed on the heat spreader (34), first through holes (45) in communication with the air layer (35) are formed on side walls (40a) of the backlight chassis (40), and second through holes (75) in communication with a space (73) between the side walls (40a) of the backlight chassis (40) are formed on a side wall (70a) of the exterior cabinet (70).
Inventors:
CHOH SHIYOSHI
Application Number:
PCT/JP2011/075030
Publication Date:
May 18, 2012
Filing Date:
October 31, 2011
Export Citation:
Assignee:
SHARP KK (JP)
CHOH SHIYOSHI
CHOH SHIYOSHI
International Classes:
G02F1/13357; F21S2/00; F21V29/00; G02F1/1333; F21Y101/02
Foreign References:
| JP2008165101A | 2008-07-17 | |||
| JP2010501980A | 2010-01-21 | |||
| JP2007317778A | 2007-12-06 | |||
| JP2006114501A | 2006-04-27 | |||
| JP2009224030A | 2009-10-01 | |||
| JP2008299182A | 2008-12-11 |
Attorney, Agent or Firm:
TESHIMA MASARU (JP)
Masaru Tejima (JP)
Masaru Tejima (JP)
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Claims: