Patent · US Active

Light guide plate, surface light source, and liquid crystal display device

US7789549B2 · kind B2 · utility

4Cited by
2References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 25, 2006
Grant dateSep 7, 2010
Priority date
Expiry dateNov 5, 2026

Classification

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

Abstract

A light guide plate has a light exit plane and a light entrance plane arranged on the periphery of the light exit plane. Light incident on the light entrance plane is outputted from the light exit plane. The light entrance plane includes a plurality of first end surfaces and a plurality of second end surfaces protruding in an external direction beyond the first end surfaces in plan view. The first end surfaces and the second end surfaces are alternately arranged along the periphery of the light exit plane.

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