Dimmable LED lamp
US7902761B2 · kind B2 · utility
21Cited by
46References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2008 |
| Grant date | Mar 8, 2011 |
| Priority date | — |
| Expiry date | Oct 9, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S315/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED lamp utilizes AC power and bi-directional LED chips to provide dimming capabilities. The dimming capabilities of the lamp reduce the junction temperature of the LEDs on the bi-directional LED chips and thus prolong the life expectancy of the LED lamp.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.