Light adjusting device for a light emitting diode and related light adjusting method and light emitting device
US8013540B2 · kind B2 · utility
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29Claims
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Key dates
| Filing date | Oct 30, 2008 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Dec 24, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light adjusting device for a light emitting diode includes a switch, a detecting unit and an illumination adjusting unit. The switch is coupled to a power terminal, which is utilized for providing power for the light emitting diode. The detecting unit is coupled to the switch, and is utilized for determining a status of the switch, so as to generate a detecting result. The illumination adjusting unit is coupled to the detecting unit, and is utilized for adjusting illumination of the light emitting diode according to the detecting result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.