LED lamp
US7994533B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 25, 2008 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jul 30, 2029 |
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 first heat sink, a second heat sink thermally contacting the first heat sink, and an LED module mounted on the first heat sink. The first heat sink comprises a plate and a plurality of first fins extending from the plate. The plate has a bare area on a top surface thereof. The LED module is mounted on the bare area and surrounded by the first fins of the first heat sink. The second heat sink comprises a base thermally contacting a bottom surface of the plate of the first heat sink and a plurality of second fins arranged at a bottom surface of the base of the second heat sink. Heat pipes are sandwiched between the plate and base of the first and second heat sinks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.