Patent · US Active

Solid state lighting apparatus

US7859196B2 · kind B2 · utility

72Cited by
3References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 7, 2007
Grant dateDec 28, 2010
Priority date
Expiry dateAug 7, 2027

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.