Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2007/125623
Kind Code:
A1
Abstract:
A light source section (33) having a white LED (40) is arranged on the side surface of a light guide plate (36). The white LED (40) is composed of a first white LED (40a) and a second white LED (40b) having different chromaticities. In a chromaticity diagram, a white area is divided into two areas by a dividing line passing through a target chromaticity, light emitted from the first white LED (40a) belongs to a first sub-area, and light emitted from the second white LED (40b) belongs to a second sub-area. Desired white light can be emitted from the light guide plate (36) by independently controlling emission from the first white LED (40a) and the second white LED (40b).

Inventors:
HAMADA TETSUYA
Application Number:
PCT/JP2006/321939
Publication Date:
November 08, 2007
Filing Date:
November 02, 2006
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHARP KK (JP)
HAMADA TETSUYA
International Classes:
H05B37/02; F21S2/00; F21V8/00; G02F1/13357; F21Y101/02
Foreign References:
JP2005100799A2005-04-14
JP2005327608A2005-11-24
JP2004079461A2004-03-11
JP2006019736A2006-01-19
JP2006032902A2006-02-02
JP2006509477A2006-03-16
JP2005259699A2005-09-22
JP2004235046A2004-08-19
JP2005121688A2005-05-12
JP2005243396A2005-09-08
JP2001209049A2001-08-03
Attorney, Agent or Firm:
SANO, Shizuo (2-6 Tenmabashi-Kyomachi,Chuo-Ku, Osaka-Shi, Osaka 32, JP)
Download PDF: