Title:
BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/011316
Kind Code:
A1
Abstract:
In order to cause the disclosed backlight unit (2) to be thinner and more lightweight than conventional units and to be able to emit a surface light that has a low brightness unevenness, in the backlight unit (2), a light guide plate (5) is configured from a transparent thin sheet, and is caused to be a corrugated sheet wherein concave troughs (51) and convex ridges (52) are alternately disposed in the direction of approach to/separation from a light source (6).
Inventors:
KURODA TATSURO
Application Number:
PCT/JP2011/061726
Publication Date:
January 26, 2012
Filing Date:
May 23, 2011
Export Citation:
Assignee:
SHARP KK (JP)
KURODA TATSURO
KURODA TATSURO
International Classes:
F21S2/00; G02F1/13357; F21Y101/02
Domestic Patent References:
| WO2008102762A1 | 2008-08-28 |
Foreign References:
| JP2000321574A | 2000-11-24 |
Attorney, Agent or Firm:
SANO SHIZUO (JP)
Shizuo Sano (JP)
Shizuo Sano (JP)
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Claims: