Patent · US Active

LED driver circuit

US9301362B2 · kind B2 · utility

63Cited by

4References

13Claims

0Family size

Assignee

CERAMTEC GMBH · DE

Inventors

Alexander Dohn · Memmelsdorf, DE
Christian Schnagl
Alfred Thimm · Wunsiedel, DE
Karl Degelmann · Marktredwitz, DE
Ewald Sutor · Höhenkirchen-Siegertsbrunn, DE

Key dates

Filing date	Oct 14, 2011
Grant date	Mar 29, 2016
Priority date	—
Expiry date	Aug 28, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH05B45/325
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

In order to supply power and control the power supplied to an LED (43), in particular an LED (43) comprising a ceramic support element (4, 32), an LED driver circuit (17) is designed to regulate the supply current for the LED (43) in accordance with the temperature of the support element (4, 32).

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