Dimmable LED lamp
US9078326B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Jan 27, 2014 |
| Grant date | Jul 7, 2015 |
| Priority date | — |
| Expiry date | Jan 27, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dimmable LED lamp, which receives power from a DC power source to emit light, includes a main body, a DC/DC converter, and a LED module; wherein the main body is hollow, and includes a conductive portion made of a conductive material, wherein the conductive portion is connected to the DC power source; the DC/DC converter is provided in the main body, and is electrically connected to the conductive portion of the main body to receive a power from at least a DC power source; the DC/DC converter converts a voltage of the power provided by the DC power source into a corresponding current; the LED module is provided on the main body, and is electrically connected to the DC/DC converter to emit light with luminance corresponding to the current received from the DC/DC converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.