Patent · US Expired

Planar light source device

US7220041B2 · kind B2 · utility

2Cited by
1References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 2005
Grant dateMay 22, 2007
Priority date
Expiry dateJun 22, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133603
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is a planar light source device comprising a light generation device comprising at least two light-emitting elements; a light-mixing device for mixing a generated light from the light generation device to generate a mixed linear light; and a planar light generation device comprising a light-scattering portion for receiving the mixed light to generate a planar light.

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