Patent · US Active

Illumination apparatus and methods of forming the same

US8215815B2 · kind B2 · utility

34Cited by
154References
68Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 26, 2008
Grant dateJul 10, 2012
Priority date
Expiry dateDec 30, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133615
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide.

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