Patent · US Expired

Light emitting device

US7482636B2 · kind B2 · utility

61Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 2004
Grant dateJan 27, 2009
Priority date
Expiry dateMay 27, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/3025
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A light emitting device comprises a light emitting element, and a light conversion member including a phosphor material that is capable of absorbing light emitted from the light emitting element at least partially and emitting light in different wavelength. The light emitting device further comprises a heat dissipation member in a side where the light conversion member as viewed from the light emitting element.

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