Control circuit of LED lighting apparatus
US9538605B2 · kind B2 · utility
2Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2015 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Dec 9, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/395
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a control circuit of an LED lighting apparatus having a current control function. The control circuit of the LED lighting apparatus may include: a current control circuit configured to control the LED lighting apparatus divided into a plurality of LED groups, and provide a current path corresponding to sequential light emissions of the LED groups in response to a rectified voltage; and surplus voltage buffer circuits corresponding to two or more LED groups, respectively, and each configured to buffer a surplus voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.