Control circuit of light-emitting diode lighting apparatus
US9572210B2 · kind B2 · utility
5Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2013 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Dec 27, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a control circuit of an LED lighting apparatus having a dimming function. The control circuit provides a current path corresponding to light emitting states of LED channels in response to a rectified voltage, and performs dimming by controlling a current amount of the current path in response to a dimming control signal provided as an analog signal or digital signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.