LED lamp
US8083374B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 29, 2010 |
| Grant date | Dec 27, 2011 |
| Priority date | — |
| Expiry date | Jul 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.