Patent · US Expired

Planar light-emitting device

US7178942B2 · kind B2 · utility

18Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 2005
Grant dateFeb 20, 2007
Priority date
Expiry dateApr 29, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133607
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A planar light-emitting device includes a light source for generating light, a light gathering module for gathering the light generated by the light source and generating mixed light, a linear light generator comprising a light distributing unit for receiving the mixed light and distributing the mixed light to generate linear light, and a planar light generator for receiving the linear light and generating a planar light.

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