Cascade LED driver and control methods
US9743473B2 · kind B2 · utility
2Cited by
13References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Nov 3, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/48
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical circuit is disclosed and methods for controlling the same. The electrical circuit may comprises a plurality of color strings coupled in series, where each color string has at least one lamp, preferably a light emitting diode. Improved efficiency may be accomplished in some embodiments using certain of the disclosed systems and methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.