Patent · US Expired

Card type LED illumination source

US7250637B2 · kind B2 · utility

61Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 30, 2006
Grant dateJul 31, 2007
Priority date
Expiry dateMar 30, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10H20/819
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An LED illumination source comprises a heat dissipating substrate which includes a metal plate and at least two insulating layers thereon. LEI) bare chips are mounted on a surface of the substrate. An optical reflector with holes surrounds the LED bare chips. The optical reflector is provided on the surface of the substrate on which the LED bare chips are mounted. A resin encapsulates the entire optical reflector on the substrate, the resin molding each of the LED bare chips and functioning as an optical lens for each of the LED bare chips.

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