Title:
液晶スクリーン用照明装置
Document Type and Number:
Japanese Patent JP2010532005
Kind Code:
A
Abstract:
A lighting device for liquid crystal display provides as output a polarized extended light flux. It comprises a light source 100 comprising a layer with high albedo A on the light emission surface SD(A), on which are stacked a quarter-wave plate 101 and a reflecting polarizer 103. This results in a light transmission gain of the order of 1+A, which makes it possible to produce displays with high luminance and low electrical consumption. Application to flat-screen displays.
Inventors:
Dijon, Jean
Leroux, Thierry
Leroux, Thierry
Application Number:
JP2010511579A
Publication Date:
September 30, 2010
Filing Date:
June 03, 2008
Export Citation:
Assignee:
Comicilia Arenergy Atomic
International Classes:
G02F1/13357; F21S2/00; H01J63/06; F21Y105/00
Domestic Patent References:
| JP2001147321A | 2001-05-29 | |||
| JP2006084813A | 2006-03-30 | |||
| JPH117016A | 1999-01-12 | |||
| JP2002245928A | 2002-08-30 | |||
| JPS63168626A | 1988-07-12 | |||
| JPH06265892A | 1994-09-22 |
Attorney, Agent or Firm:
Takahisa Kimura