Stabilized high brightness LED suitable as calibration standard
US8686642B2 · kind B2 · utility
1Cited by
2References
21Claims
0Family size
Inventors
Key dates
| Filing date | May 14, 2010 |
| Grant date | Apr 1, 2014 |
| Priority date | — |
| Expiry date | Mar 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high brightness LED (102) is precisely controlled. The temperature of the LED (102) is controlled via controlled thermal resistance (300), measurement of the base temperature (302) and careful power monitoring of the LED (102).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.