Light-emitting diode lamp and method of making
US8905600B2 · kind B2 · utility
5Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2011 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Apr 17, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49117
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A Light-Emitting Diode (LED) lamp includes a heat sink with a number of passive air flow ducts defined at least partially by fins of the heat sink and a cover plate over the fins. The heat sink includes a body with a cavity, a number of fins radiating outwards from the body, and a cover plate covering the fins. Each passive air flow duct includes top and bottom openings for air flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.