Patent · US Active

Illumination assembly and system

US7695180B2 · kind B2 · utility

48Cited by
83References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 25, 2006
Grant dateApr 13, 2010
Priority date
Expiry dateJun 29, 2027

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/855
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Illumination assemblies and systems using same are disclosed. The illumination assembly can include a reflective substrate, and a light source unit including one or more light sources capable of producing illumination light. The assembly can further include a first light extraction surface including an azimuthal beam widening topography, where the first light extraction surface is positioned such that the light source unit is between the first light extraction surface and the reflective substrate. The first light extraction surface can face the light source unit.

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