WO2012072629A3 - Open-loop and/or closed-loop control means for a light-emitting diode array; circuit arrangement comprising such an open-loop and/or closed-loop control means and method for operating such a circuit arrangement - Google Patents

Open-loop and/or closed-loop control means for a light-emitting diode array; circuit arrangement comprising such an open-loop and/or closed-loop control means and method for operating such a circuit arrangement Download PDF

Info

Publication number
WO2012072629A3
WO2012072629A3 PCT/EP2011/071283 EP2011071283W WO2012072629A3 WO 2012072629 A3 WO2012072629 A3 WO 2012072629A3 EP 2011071283 W EP2011071283 W EP 2011071283W WO 2012072629 A3 WO2012072629 A3 WO 2012072629A3
Authority
WO
WIPO (PCT)
Prior art keywords
loop
closed
open
control means
loop control
Prior art date
Application number
PCT/EP2011/071283
Other languages
German (de)
French (fr)
Other versions
WO2012072629A2 (en
Inventor
Dieter Nietfeld
Original Assignee
Hella Kgaa Hueck & Co.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hella Kgaa Hueck & Co. filed Critical Hella Kgaa Hueck & Co.
Publication of WO2012072629A2 publication Critical patent/WO2012072629A2/en
Publication of WO2012072629A3 publication Critical patent/WO2012072629A3/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Led Devices (AREA)
  • Electronic Switches (AREA)

Abstract

The present invention relates to an open-loop and/or closed-loop control means (C) for a light-emitting diode array (1, 2, 3) comprising at least two first outputs (A11, A12, A13) at which control signals for controlling controllable switching elements (S1, S2, S3) of the light-emitting diode array (1, 2, 3) can be tapped off, and comprising a first measurement signal input (E1), to which a sensor signal of a current sensor (V2) can be applied, wherein the open-loop and/or closed-loop control means (C) has a second measurement signal input (E2), to which a sensor signal of a voltage sensor (V1) can be applied, and wherein the open-loop and/or closed-loop control means (C) has at least one second output (A2) at which open-loop and/or closed-loop control signals for the open-loop and/or closed-loop control of a current source (I) can be tapped off.
PCT/EP2011/071283 2010-11-29 2011-11-29 Open-loop and/or closed-loop control means for a light-emitting diode array; circuit arrangement comprising such an open-loop and/or closed-loop control means and method for operating such a circuit arrangement WO2012072629A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010060857.2A DE102010060857B4 (en) 2010-11-29 2010-11-29 Circuit arrangement with a light-emitting diode field, control and/or regulating means for the light-emitting diode field and method for operating such a circuit arrangement
DE102010060857.2 2010-11-29

Publications (2)

Publication Number Publication Date
WO2012072629A2 WO2012072629A2 (en) 2012-06-07
WO2012072629A3 true WO2012072629A3 (en) 2012-11-22

Family

ID=45375287

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/071283 WO2012072629A2 (en) 2010-11-29 2011-11-29 Open-loop and/or closed-loop control means for a light-emitting diode array; circuit arrangement comprising such an open-loop and/or closed-loop control means and method for operating such a circuit arrangement

Country Status (2)

Country Link
DE (1) DE102010060857B4 (en)
WO (1) WO2012072629A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101363A1 (en) 2012-02-21 2013-08-22 Hella Kgaa Hueck & Co. Method for operating a circuit arrangement with a control and / or regulating means for a light-emitting diode array
DE102012222958A1 (en) * 2012-12-12 2014-06-12 Automotive Lighting Reutlingen Gmbh Method and device for operating a lighting device of a motor vehicle
EP2882260A1 (en) * 2013-12-03 2015-06-10 Contronix GmbH Monitoring protection circuit for lighting installations
US10257900B2 (en) 2015-09-08 2019-04-09 Signify Holding B.V. Determining property of unchanged load device
JP7218353B2 (en) 2017-08-18 2023-02-06 シグニファイ ホールディング ビー ヴィ Monitor device for lighting arrangement, driver using monitor arrangement and driving method
US10440786B1 (en) 2018-05-09 2019-10-08 Infineon Technologies Ag Control circuit and techniques for controlling a LED array
DE102018118876A1 (en) 2018-08-03 2020-02-06 HELLA GmbH & Co. KGaA Method and means for setting a current source for a light emitting diode array
DE102020102074A1 (en) 2020-01-29 2021-07-29 HELLA GmbH & Co. KGaA Light, in particular headlights, with a light-emitting diode matrix and with a controlled power source
DE102020106270A1 (en) 2020-03-09 2021-09-09 HELLA GmbH & Co. KGaA Control and / or regulating means, circuit arrangement and method for controlling and / or monitoring light-emitting diodes in a light-emitting diode field
DE102021100854A1 (en) * 2021-01-18 2022-07-21 HELLA GmbH & Co. KGaA Control and/or regulating means, circuit arrangement and method for driving light-emitting diodes in a light-emitting diode array

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061370A1 (en) * 2000-12-09 2002-06-20 Infineon Technologies Ag Circuit for driving at least two loads, especially LEDs e.g. in motor vehicle has inductive storage device connected between switch devices
US20040036418A1 (en) * 2002-08-21 2004-02-26 Rooke Alan Michael Closed loop current control circuit and method thereof
DE102005012625A1 (en) * 2005-03-18 2006-09-28 Infineon Technologies Ag Switch for controlling LED, has switching devices providing currents for diode arrangements, and logic device controlling devices such that current for corresponding arrangement is not provided at same time
DE102007029123A1 (en) * 2007-06-25 2009-01-02 Tridonicatco Schweiz Ag System and method for detecting the characteristics of a light emitting diode array
WO2009157763A2 (en) * 2008-06-24 2009-12-30 Eldolab Holding B.V. Control unit for a led assembly and lighting system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6864641B2 (en) 2003-02-20 2005-03-08 Visteon Global Technologies, Inc. Method and apparatus for controlling light emitting diodes
GB0325731D0 (en) * 2003-09-09 2003-12-10 Sentec Ltd Controller circuit
US8207691B2 (en) * 2005-04-08 2012-06-26 Eldolab Holding B.V. Methods and apparatus for operating groups of high-power LEDS
DE102006005521B3 (en) 2006-02-07 2007-05-16 Lear Corp LED-array controlling method for e.g. motor vehicle`s tail lamp, involves increasing voltage until preset current flows through lines, such that lines are switched on and off by clocked control of switches to provide effective current
US7948468B2 (en) * 2007-02-23 2011-05-24 The Regents Of The University Of Colorado Systems and methods for driving multiple solid-state light sources
JP4775912B2 (en) * 2007-07-06 2011-09-21 株式会社小糸製作所 Lighting control device for vehicle lamp
CN105142257A (en) * 2008-03-17 2015-12-09 埃尔多实验室控股有限公司 Led assembly, led fixture, control method and software program

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10061370A1 (en) * 2000-12-09 2002-06-20 Infineon Technologies Ag Circuit for driving at least two loads, especially LEDs e.g. in motor vehicle has inductive storage device connected between switch devices
US20040036418A1 (en) * 2002-08-21 2004-02-26 Rooke Alan Michael Closed loop current control circuit and method thereof
DE102005012625A1 (en) * 2005-03-18 2006-09-28 Infineon Technologies Ag Switch for controlling LED, has switching devices providing currents for diode arrangements, and logic device controlling devices such that current for corresponding arrangement is not provided at same time
DE102007029123A1 (en) * 2007-06-25 2009-01-02 Tridonicatco Schweiz Ag System and method for detecting the characteristics of a light emitting diode array
WO2009157763A2 (en) * 2008-06-24 2009-12-30 Eldolab Holding B.V. Control unit for a led assembly and lighting system

Also Published As

Publication number Publication date
DE102010060857B4 (en) 2024-01-11
WO2012072629A2 (en) 2012-06-07
DE102010060857A1 (en) 2012-05-31

Similar Documents

Publication Publication Date Title
WO2012072629A3 (en) Open-loop and/or closed-loop control means for a light-emitting diode array; circuit arrangement comprising such an open-loop and/or closed-loop control means and method for operating such a circuit arrangement
GB2463406A (en) Controlling a bias voltage for a mach-zehnder modulator
NZ593772A (en) Communication across an inductive link with a dynamic load
CY1119210T1 (en) POWER DISTRIBUTION SYSTEM
WO2012039930A3 (en) Auto-sensing switching regulator to drive a light source through a current regulator
WO2013138220A3 (en) Power supply that maintains auxiliary bias within target range
WO2014154221A3 (en) Intelligent gate drive unit
MX2010009304A (en) Multiple-channel active sensing and switching device.
WO2012018915A3 (en) Thermal control of solid state light sources by variable series impedance
MX2010004368A (en) Pump controller.
ATE535847T1 (en) SAFETY SWITCHING ARRANGEMENT FOR OUTPUTING A SWITCHING SIGNAL
WO2011147841A3 (en) Switched arrangement for switched mode supply
SG169297A1 (en) Ac power switching module
WO2011098235A3 (en) Module bypass circuit for a photovoltaic module
WO2011110933A3 (en) Switching power supply circuit and control method therefor
WO2011083117A3 (en) Combined method for operating an electric illuminant and operating circuit
AU2016200042A1 (en) Controlling a digging attachment along a path or trajectory
WO2011016974A3 (en) Controlling power loss in a switched-capacitor power converter
WO2014183900A3 (en) Control of a half bridge
WO2011062442A3 (en) Output voltage stabilization circuit of display device driving circuit
MX2017002625A (en) Light system for lift gates.
WO2012160141A3 (en) Radiation sensing device and control circuit
ATE518299T1 (en) CLOCKED AMPLIFIER
WO2014095172A3 (en) Method and device for hysteresis regulation of the output voltage of a dc static converter
WO2013102850A9 (en) Monolithic device combining cmos with magnetoresistive sensors

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11799258

Country of ref document: EP

Kind code of ref document: A2

122 Ep: pct application non-entry in european phase

Ref document number: 11799258

Country of ref document: EP

Kind code of ref document: A2