LED lamp with an improved heat sink
US7654688B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 1, 2008 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Mar 20, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A recessed LED lamp for being mounted in a wall or a ceiling, includes a housing (10), a printed circuit board (20) received in the housing, a plurality of LEDs (22) mounted on the printed circuit board, a casing (40) surrounding the housing, a pair of arms (50) resiliently and pivotably attached on the casing, and a heat sink (30) secured below the housing. The heat sink includes a base (32) contacting the printed circuit board and thermally connecting therewith, a plate (34) extending outwardly from the base and a plurality of fins (36) extending downwardly from the plate (34).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.