Solid state lighting apparatus
US7977892B2 · kind B2 · utility
24Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 27, 2010 |
| Grant date | Jul 12, 2011 |
| Priority date | — |
| Expiry date | Dec 27, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting apparatus includes a solid state lamp including one or more solid state lighting elements, and a power circuit including a current limiting device electrically connected to the lamp. The current limiting device configured to impose a maximum threshold on the current delivered to the lamp, wherein the current limiting device functions as essentially a constant current source. The lighting apparatus includes a housing for the power circuit and lamp, as a module unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.