Patent · US Expired

Liquid crystal display

US6530671B2 · kind B2 · utility

18Cited by
26References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateDec 28, 2001
Grant dateMar 11, 2003
Priority date
Expiry dateDec 28, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/0053
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A liquid crystal display having a liquid crystal display panel having a plurality of liquid crystal cells, and a back light that irradiates the liquid crystal display panel with irradiation light. The back light includes a light source, and a light guide plate having one side arranged adjacent the light source and having a planar surface with a plurality of small concaves. The planar surface is almost parallel to a liquid crystal cell face, and a plane shape of the small concaves is almost rectangular.

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