Global Patent Index - EP 2163133 B1

EP 2163133 B1 20120418 - CIRCUIT FOR OPERATING LIGHT-EMITTING DIODES (LEDS)

Title (en)

CIRCUIT FOR OPERATING LIGHT-EMITTING DIODES (LEDS)

Title (de)

SCHALTUNG ZUM BETRIEB VON LEUCHTDIODEN (LEDs)

Title (fr)

CIRCUIT POUR FAIRE FONCTIONNER DES DIODES ÉLECTROLUMINESCENTES (LED)

Publication

EP 2163133 B1 20120418 (DE)

Application

EP 08773794 A 20080701

Priority

  • EP 2008005367 W 20080701
  • DE 102007031038 A 20070704

Abstract (en)

[origin: US2010148683A1] The present invention relates to a circuit arrangement for supplying power to, and for controlling, light-emitting diodes for illuminating, and to a method therefor. The invention provides a driver circuit for providing an operating current for operating at least one light-emitting diode, wherein the operating current has different positive intensities.

IPC 8 full level

H05B 44/00 (2022.01)

CPC (source: AT EP US)

H05B 45/24 (2020.01 - AT EP US); H05B 45/37 (2020.01 - AT); H05B 45/3725 (2020.01 - EP US); H05B 45/375 (2020.01 - EP US); H05B 45/38 (2020.01 - EP US); H05B 45/385 (2020.01 - EP US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2010148683 A1 20100617; US 8653739 B2 20140218; AT 516515 A5 20160615; AT 516515 B1 20160615; AT E554635 T1 20120515; CN 101720564 A 20100602; CN 103260283 A 20130821; CN 103260283 B 20170426; DE 102007031038 A1 20090108; EP 2163133 A1 20100317; EP 2163133 B1 20120418; WO 2009003680 A1 20090108

DOCDB simple family (application)

US 64613809 A 20091223; AT 08773794 T 20080701; AT 92092008 A 20080701; CN 200880023011 A 20080701; CN 201310062044 A 20080701; DE 102007031038 A 20070704; EP 08773794 A 20080701; EP 2008005367 W 20080701