Cycling LED heat spreader
US7573717B2 · kind B2 · utility
7Cited by
40References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2008 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | Mar 10, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/52
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A graphite heat spreader is provided for use with a flash LED light source for a camera of a handheld device such as a cell phone. Dramatically reduced operating temperatures are provided at substantially increased power levels thus providing both improved lighting and improved operating life of the electronic components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.