Patent · US Active

Methods and systems for controlling LEDs

US9414460B2 · kind B2 · utility

3Cited by

3References

20Claims

0Family size

Assignee

MELEXIS TECHNOLOGIES NV · BE

Inventors

Michael S. Bender · Erfurt, DE
Michael Frey · Erfurt, DE

Key dates

Filing date	Sep 27, 2013
Grant date	Aug 9, 2016
Priority date	—
Expiry date	Apr 2, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH05B45/56
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The present invention relates to an electronic device, the electronic device comprising at least one LED, a driving unit for applying a driving algorithm for driving the LED during normal operation, and a measurement unit for determining a forward voltage of the LED by imposing a test current to the LED, the measurement unit being programmed for determining test current characteristics taking into account said driving algorithm.

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