Method and apparatus for regulating the brightness of light-emitting diodes
US9066387B2 · kind B2 · utility
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1References
20Claims
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Assignee
Inventor
Key dates
| Filing date | Jun 6, 2014 |
| Grant date | Jun 23, 2015 |
| Priority date | — |
| Expiry date | Jun 6, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/38
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present invention relate to methods and circuits for brightness regulation for at least one light-emitting diode in the field of general lighting, more particularly, for incandescent lamp replacement by means of a supply voltage comprising a brightness level signal, wherein the brightness level signal contained in the supply voltage is decoded and converted into a modulation signal with a duty cycle corresponding to the brightness level signal for the purpose of driving a driver circuit for the at least one light-emitting diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.