Patent · US Expired

Light emitting devices with improved extraction efficiency

US7166870B2 · kind B2 · utility

47Cited by
83References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 2004
Grant dateJan 23, 2007
Priority date
Expiry dateNov 21, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/872
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Light-emitting devices, and related components, systems and methods are disclosed.

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