LED lighting apparatus for use with AC-output lighting ballasts
US9439249B2 · kind B2 · utility
1Cited by
42References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2013 |
| Grant date | Sep 6, 2016 |
| Priority date | — |
| Expiry date | Oct 29, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus for interfacing a ballast to at least one light emitting diode (LED) includes a passive rectifier circuit and matching circuit coupled to an input port and/or an output port of the passive rectifier circuit and configured to at least partially match an impedance of the ballast.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.