Patent · US Active

Solid state lighting apparatus and methods using integrated driver circuitry

US8742671B2 · kind B2 · utility

15Cited by

64References

31Claims

0Family size

Assignee

Cree, Inc. · US

Inventors

Antony Paul Van De Ven · Sai Kung, CN
Gerald H. Negley · Durham, US
Terry Given · Drury, NZ

Key dates

Filing date	Jul 28, 2011
Grant date	Jun 3, 2014
Priority date	—
Expiry date	Feb 7, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01L2224/48091
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A lighting apparatus includes a first substrate including a switching circuit, the switching circuit including a first port, a second port and a current control circuit configured to generate a current at the second port of the current control circuit responsive to a varying voltage at the first port. The apparatus further includes a second substrate mounted on the first substrate and including at least two LEDs electrically coupled to the second port of the current control circuit of the first substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.