Patent · US Expired

Back light module for flat display device

US7056001B2 · kind B2 · utility

42Cited by
16References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 16, 2003
Grant dateJun 6, 2006
Priority date
Expiry dateAug 17, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/1336
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A back light module for flat display device for decreasing the thickness of light guide plate is disclosed. This invention comprises a light guide plate having a first section, a second section and a light-emitting surface; a light source above the light guide plate; a reflector below the light guide plate; and a flexible printed circuit board located at the lateral end of light source wherein most of the light rays emitted from the light source enter into the second section through the first section, then emit from the light-emitting surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.