Title:
LIGHT GUIDE PLATE, BACKLIGHT DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/065178
Kind Code:
A1
Abstract:
Provided is a light guide plate in which a side surface is a light entry section that faces an LED and wherein a plurality of dots that scatter light that has entered from the LED are formed on a lower surface, the dots in the vicinity of the light entry section and the dots in the vicinity of the center of the lower surface have approximately the same area, and the lengths of the dots in the vicinity of the center in a direction that is approximately parallel to the light entry section are configured to be longer than the lengths of the dots in the vicinity of the light entry section in the direction that is approximately parallel to the light entry section.
Inventors:
MATSUI KEITARO
Application Number:
PCT/JP2013/078129
Publication Date:
May 01, 2014
Filing Date:
October 17, 2013
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
F21S2/00; F21Y101/02; F21Y103/00
Foreign References:
| JP2012185275A | 2012-09-27 | |||
| JP2008516391A | 2008-05-15 | |||
| JPH08271893A | 1996-10-18 | |||
| US7403691B2 | 2008-07-22 |
Attorney, Agent or Firm:
SANO SHIZUO (JP)
Shizuo Sano (JP)
Shizuo Sano (JP)
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