Patent · US Active

LED lamp

US8083374B2 · kind B2 · utility

5Cited by
0References
14Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 29, 2010
Grant dateDec 27, 2011
Priority date
Expiry dateJul 19, 2030

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21Y2115/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An LED lamp includes a heat sink including a supporting plate, a plurality of LEDs mounted on the supporting plate and a plurality of protruding blocks extending upwardly from a top face of the supporting plate. The protruding blocks have inclined faces oriented upwardly and outwardly away from the top face of the supporting plate. The LEDs includes a plurality of first LEDs disposed on a bottom face of the supporting plate and a plurality of second LEDs disposed on the inclined faces of the protruding blocks, whereby at least a portion of light generated from the second LEDs projects towards a lateral side of the LED lamp.

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