ATE404035T1 - Ansteuerschaltung für led und zugehöriges betriebsverfahren - Google Patents

Ansteuerschaltung für led und zugehöriges betriebsverfahren

Info

Publication number
ATE404035T1
ATE404035T1 AT00926698T AT00926698T ATE404035T1 AT E404035 T1 ATE404035 T1 AT E404035T1 AT 00926698 T AT00926698 T AT 00926698T AT 00926698 T AT00926698 T AT 00926698T AT E404035 T1 ATE404035 T1 AT E404035T1
Authority
AT
Austria
Prior art keywords
cluster
led
leds
semiconductor switch
series
Prior art date
Application number
AT00926698T
Other languages
German (de)
English (en)
Inventor
Alois Biebl
Original Assignee
Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh
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 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh filed Critical Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh
Application granted granted Critical
Publication of ATE404035T1 publication Critical patent/ATE404035T1/de

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]
    • H05B45/40—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/2696—Mounting of devices using LEDs
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Led Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Control Of El Displays (AREA)
AT00926698T 1999-10-18 2000-04-01 Ansteuerschaltung für led und zugehöriges betriebsverfahren ATE404035T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19950135A DE19950135A1 (de) 1999-10-18 1999-10-18 Ansteuerschaltung für LED und zugehöriges Betriebsverfahren

Publications (1)

Publication Number Publication Date
ATE404035T1 true ATE404035T1 (de) 2008-08-15

Family

ID=7926033

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00926698T ATE404035T1 (de) 1999-10-18 2000-04-01 Ansteuerschaltung für led und zugehöriges betriebsverfahren

Country Status (7)

Country Link
US (1) US6515434B1 (OSRAM)
EP (1) EP1151639B1 (OSRAM)
JP (2) JP4914988B2 (OSRAM)
AT (1) ATE404035T1 (OSRAM)
CA (1) CA2354473A1 (OSRAM)
DE (2) DE19950135A1 (OSRAM)
WO (1) WO2001030119A1 (OSRAM)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7124220B2 (en) * 2000-08-25 2006-10-17 Funhouse Productions Sequencer device with automated active port detection and sequencing
DE10115388A1 (de) * 2001-03-28 2002-10-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für ein LED-Array
US6621235B2 (en) 2001-08-03 2003-09-16 Koninklijke Philips Electronics N.V. Integrated LED driving device with current sharing for multiple LED strings
TWI235349B (en) * 2001-11-26 2005-07-01 Osram Opto Semiconductors Gmbh Circuit-arrangement for an LED-array
US6586890B2 (en) * 2001-12-05 2003-07-01 Koninklijke Philips Electronics N.V. LED driver circuit with PWM output
US6803732B2 (en) * 2001-12-20 2004-10-12 Osram Opto Semiconductors Gmbh LED array and LED module with chains of LEDs connected in parallel
WO2003061347A1 (de) * 2002-01-19 2003-07-24 Stührenberg GmbH Signalgeberleuchte mit leuchtdioden
US7878678B1 (en) * 2002-04-25 2011-02-01 Stamatatos Haralambos A Illuminating safety and notification device
US10180244B2 (en) 2002-04-25 2019-01-15 Haralambos A. Stamatatos Illuminating safety and notification device
JP3745310B2 (ja) 2002-05-31 2006-02-15 ソニー株式会社 発光素子駆動装置およびそれを用いた携帯装置
DE10225670A1 (de) * 2002-06-10 2003-12-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für mindestens einen LED-Strang
US6870601B2 (en) 2002-06-12 2005-03-22 Asml Netherlands B.V. Lithographic apparatus and device manufacturing method
DE10236862B4 (de) * 2002-08-12 2008-10-02 Hella Kgaa Hueck & Co. Schaltungsanordnung zur Stromversorgung und zum Steuern von Leuchtdiodenanordnungen, insbesondere in Fahrzeugleuchten
US6798152B2 (en) * 2002-08-21 2004-09-28 Freescale Semiconductor, Inc. Closed loop current control circuit and method thereof
JP4148746B2 (ja) * 2002-10-08 2008-09-10 株式会社小糸製作所 点灯回路
US20040090403A1 (en) * 2002-11-08 2004-05-13 Dynascan Technology Corp. Light-emitting diode display apparatus with low electromagnetic display
CN100558203C (zh) * 2002-12-19 2009-11-04 皇家飞利浦电子股份有限公司 用于led光源的电源和运行led光源的方法
US20040141329A1 (en) * 2003-01-20 2004-07-22 Walter Fleischmann Lighting system for aircraft cabins
DE10302322B4 (de) * 2003-01-20 2009-05-20 Diehl Aerospace Gmbh Beleuchtungssystem für Flugzeugkabinen
US6864641B2 (en) * 2003-02-20 2005-03-08 Visteon Global Technologies, Inc. Method and apparatus for controlling light emitting diodes
KR101160588B1 (ko) 2003-05-07 2013-11-27 코닌클리케 필립스 엔.브이. 평균 암페어수 조절 방법 및 ｌｅｄ 전류 제어 회로
US6836157B2 (en) * 2003-05-09 2004-12-28 Semtech Corporation Method and apparatus for driving LEDs
DE10324609B4 (de) * 2003-05-30 2014-11-13 Osram Gmbh Ansteuerschaltung und LED-Array sowie Verfahren zum Betreiben eines LED-Arrays
FR2857921B1 (fr) † 2003-07-24 2006-11-24 Valeo Vision Projecteur lumineux fixe de virage pour vehicule automobile
US7657235B2 (en) 2003-08-13 2010-02-02 Koninklijke Philips Electronics, N.V. Communication network with arrangement for replacing a malfunctioning active master with a new active master
JP4317067B2 (ja) * 2004-04-02 2009-08-19 株式会社小糸製作所 車両用前照灯
JP4123183B2 (ja) * 2004-04-20 2008-07-23 ソニー株式会社 定電流駆動装置、バックライト光源装置及びカラー液晶表示装置
US7633463B2 (en) * 2004-04-30 2009-12-15 Analog Devices, Inc. Method and IC driver for series connected R, G, B LEDs
DE102004025909A1 (de) * 2004-05-27 2005-12-22 Infineon Technologies Ag Stromversorgungsanordnung zur Stromversorgung einer Last
DE102004032456B3 (de) * 2004-06-30 2006-04-06 Siemens Ag Schaltungsanordnung zum Betreiben eines Leuchtzeichens
US7276861B1 (en) * 2004-09-21 2007-10-02 Exclara, Inc. System and method for driving LED
JP4400880B2 (ja) 2004-10-05 2010-01-20 株式会社小糸製作所 車両用灯具の点灯制御回路
DE102004050655A1 (de) 2004-10-18 2006-06-01 Volkswagen Ag Fahrzeug-Beleuchtungsvorrichtung und Verfahren zum Steuern einer Fahrzeug-Beleuchtungsvorrichtung
DE102004060890A1 (de) * 2004-12-17 2006-06-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Kfz-Scheinwerferelement
US8791644B2 (en) * 2005-03-29 2014-07-29 Linear Technology Corporation Offset correction circuit for voltage-controlled current source
JP4398411B2 (ja) * 2005-07-12 2010-01-13 株式会社小糸製作所 車両用灯具の点灯制御装置
EP1935073A4 (en) * 2005-09-20 2009-05-20 Analog Devices Inc CIRCUIT FOR ATTACKING PARALLEL LED CHAINS CONNECTED IN SERIES
US7872430B2 (en) 2005-11-18 2011-01-18 Cree, Inc. Solid state lighting panels with variable voltage boost current sources
DE102005056255A1 (de) * 2005-11-25 2007-06-06 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsvorrichtung mit obenliegendem Buck-Transistor
DE102006000810B4 (de) * 2006-01-03 2007-10-04 Vossloh-Schwabe Optoelectronic Gmbh & Co. Kg Verschaltete Anordnung von wenigstens einen Leuchtdiodenchip aufweisenden Einzelmodulen
US8558470B2 (en) * 2006-01-20 2013-10-15 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
US8441210B2 (en) 2006-01-20 2013-05-14 Point Somee Limited Liability Company Adaptive current regulation for solid state lighting
US7852009B2 (en) * 2006-01-25 2010-12-14 Cree, Inc. Lighting device circuit with series-connected solid state light emitters and current regulator
TWI341510B (en) * 2006-01-26 2011-05-01 Au Optronics Corp Driver and driving method of semiconductor light emitting device array
US8150269B2 (en) * 2006-03-02 2012-04-03 Koninklijke Philips Electronics N.V. Lighting device
ES2368770T3 (es) * 2006-05-02 2011-11-22 Koninklijke Philips Electronics N.V. Circuito de diodos emisores de luz, disposición y dispositivo.
ATE496516T1 (de) * 2006-12-04 2011-02-15 Nxp Bv Elektronisches gerät zum ansteuern von led-ketten
CN101222798B (zh) * 2007-01-11 2010-05-19 聚积科技股份有限公司 发光二极管的驱动电路
AT504949B1 (de) * 2007-02-20 2008-11-15 Zizala Lichtsysteme Gmbh Schaltungsanordnung zur erkennung eines kurzschlusses von leuchtdioden
US8703492B2 (en) * 2007-04-06 2014-04-22 Qiagen Gaithersburg, Inc. Open platform hybrid manual-automated sample processing system
US8049709B2 (en) 2007-05-08 2011-11-01 Cree, Inc. Systems and methods for controlling a solid state lighting panel
US7541750B2 (en) * 2007-05-28 2009-06-02 Leadtrend Technology Corp. DC to DC converter with load open detection and related method thereof
JP4577525B2 (ja) 2007-05-31 2010-11-10 東芝ライテック株式会社 照明装置
KR20090058363A (ko) * 2007-12-04 2009-06-09 삼성전자주식회사 발광 다이오드의 순방향 전압을 이용하여 광학 파라미터를보상하는 디스플레이 장치 및 디스플레이 방법
CN101681974B (zh) 2008-03-25 2012-11-28 罗姆股份有限公司 发光二极管的驱动电路
TWI400989B (zh) * 2008-05-30 2013-07-01 Green Solution Technology Inc 發光二極體驅動電路及其控制器
US8344638B2 (en) 2008-07-29 2013-01-01 Point Somee Limited Liability Company Apparatus, system and method for cascaded power conversion
DE102008060947A1 (de) * 2008-12-06 2009-09-17 Daimler Ag Verfahren zum Betrieb einer Beleuchtungsvorrichtung, insbesondere eines Fahrzeugscheinwerfers
TW201026177A (en) * 2008-12-23 2010-07-01 Starchips Technology Inc Electronic device module
TWI401990B (zh) * 2008-12-31 2013-07-11 Genesis Photonics Inc Electronic device, constant current unit and stable current method
JP5207327B2 (ja) * 2009-04-03 2013-06-12 Ｎｅｃディスプレイソリューションズ株式会社 Ｌｅｄ駆動装置、およびｌｅｄ駆動制御方法
CA2759448A1 (en) * 2009-04-23 2010-10-28 Koninklijke Philips Electronics N.V. Driver for an led lamp
EP2443912A4 (en) * 2009-06-16 2013-07-24 Nexxus Lighting Inc PILOT WITH CONTINUOUS STEP
US8081199B2 (en) * 2009-06-26 2011-12-20 Panasonic Corporation Light emitting element drive apparatus, planar illumination apparatus, and liquid crystal display apparatus
US8901845B2 (en) 2009-09-24 2014-12-02 Cree, Inc. Temperature responsive control for lighting apparatus including light emitting devices providing different chromaticities and related methods
US10264637B2 (en) 2009-09-24 2019-04-16 Cree, Inc. Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof
US9713211B2 (en) * 2009-09-24 2017-07-18 Cree, Inc. Solid state lighting apparatus with controllable bypass circuits and methods of operation thereof
DE102009054172A1 (de) * 2009-11-23 2011-05-26 Xtronic Gmbh Schaltung zum Betreiben von Leuchtdioden, Schweinwerfer und Kraftfahrzeug
WO2011084525A1 (en) 2009-12-16 2011-07-14 Exclara, Inc. Adaptive current regulation for solid state lighting
US8476836B2 (en) 2010-05-07 2013-07-02 Cree, Inc. AC driven solid state lighting apparatus with LED string including switched segments
US8629632B2 (en) * 2010-11-11 2014-01-14 Maxim Integrated Products, Inc. LED backlight driver
DE102010054899B4 (de) * 2010-12-17 2018-07-12 Austriamicrosystems Ag Regelkreisanordnung, Schaltungsanordnung und Verfahren zur Regelung einer mit einer Last gekoppelten Stromquelle
TWI425874B (zh) * 2010-12-23 2014-02-01 Leadtrend Tech Corp 積體電路、控制方法、與光源提供系統
US9839083B2 (en) 2011-06-03 2017-12-05 Cree, Inc. Solid state lighting apparatus and circuits including LED segments configured for targeted spectral power distribution and methods of operating the same
US9658274B2 (en) * 2011-07-05 2017-05-23 Nec Lighting Ltd. Light-emitting element failure detector and method for detecting light-emitting element failure
WO2013014580A1 (en) * 2011-07-22 2013-01-31 Koninklijke Philips Electronics N.V. Light emitting diode driver with non-destructive circuit for indicating fault or outage of light emitting diode load
KR20130012670A (ko) * 2011-07-26 2013-02-05 삼성디스플레이 주식회사 백라이트 유닛 및 그것의 전류 제어 방법
US8742671B2 (en) 2011-07-28 2014-06-03 Cree, Inc. Solid state lighting apparatus and methods using integrated driver circuitry
ITPD20110370A1 (it) * 2011-11-23 2013-05-24 Automotive Lighting Italia S P A A Socio Unico Circuito e metodo di pilotaggio di sorgenti luminose, e fanale automobilistico comprendente tale circuito
TWI477788B (zh) * 2012-04-10 2015-03-21 Realtek Semiconductor Corp 偵測發光二極體短路的方法及其裝置
US10621942B2 (en) * 2012-06-06 2020-04-14 Texas Instruments Incorporated Output short circuit protection for display bias
EP2947966A1 (en) * 2014-05-19 2015-11-25 Elekno Oy Led lighting device
TWI537919B (zh) * 2014-05-23 2016-06-11 友達光電股份有限公司 顯示器及其子畫素驅動方法
FR3078383A1 (fr) * 2018-02-27 2019-08-30 Valeo Vision Module lumineux pour un vehicule automobile comprenant une pluralite de branches de sources lumineuses
US11581725B2 (en) 2018-07-07 2023-02-14 Intelesol, Llc Solid-state power interrupters
US11056981B2 (en) 2018-07-07 2021-07-06 Intelesol, Llc Method and apparatus for signal extraction with sample and hold and release
US11671029B2 (en) 2018-07-07 2023-06-06 Intelesol, Llc AC to DC converters
CN108944653B (zh) * 2018-09-14 2024-05-14 常州瑞阳电装有限公司 一种全域式闪光器驱动电路
US11197153B2 (en) 2018-09-27 2021-12-07 Amber Solutions, Inc. Privacy control and enhancements for distributed networks
US11205011B2 (en) 2018-09-27 2021-12-21 Amber Solutions, Inc. Privacy and the management of permissions
US11334388B2 (en) 2018-09-27 2022-05-17 Amber Solutions, Inc. Infrastructure support to enhance resource-constrained device capabilities
US11349296B2 (en) 2018-10-01 2022-05-31 Intelesol, Llc Solid-state circuit interrupters
US10985548B2 (en) 2018-10-01 2021-04-20 Intelesol, Llc Circuit interrupter with optical connection
JP7475351B2 (ja) 2018-12-17 2024-04-26 インテレソール エルエルシー Ａｃ駆動型の発光ダイオードシステム
US11342151B2 (en) 2019-05-18 2022-05-24 Amber Solutions, Inc. Intelligent circuit breakers with visual indicators to provide operational status
EP3780911A1 (de) 2019-08-13 2021-02-17 ZKW Group GmbH Kraftfahrzeug-beleuchtungseinrichtung
DE202019005724U1 (de) 2019-08-13 2021-09-03 Zkw Group Gmbh Kraftfahrzeug-Beleuchtungseinrichtung
US11349297B2 (en) 2020-01-21 2022-05-31 Amber Solutions, Inc. Intelligent circuit interruption
WO2022036016A1 (en) 2020-08-11 2022-02-17 Amber Solutions, Inc. Intelligent energy source monitoring and selection control system
US12113525B2 (en) 2021-09-30 2024-10-08 Amber Semiconductor, Inc. Intelligent electrical switches
US12348028B2 (en) 2021-10-22 2025-07-01 Amber Semiconductor, Inc. Multi-output programmable power manager
US12362646B2 (en) 2022-01-26 2025-07-15 Amber Semiconductor, Inc. Controlling AC power to inductive loads

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0216348B1 (de) * 1985-09-27 1989-11-29 Siemens Aktiengesellschaft Schaltungsanordnung zum Betreiben von Leuchtdioden bei hoher Packungsdichte
JPS63226079A (ja) * 1986-10-07 1988-09-20 Seiko Epson Corp Ｌｅｄアレイ駆動回路
DE9002812U1 (de) 1990-02-13 1990-06-07 Siemens AG, 1000 Berlin und 8000 München Infrarot-Scheinwerfer
US5144117A (en) * 1990-02-27 1992-09-01 Alps Electric Co., Ltd. Illumination type optical recorded information reading device
JPH0594151A (ja) * 1991-08-08 1993-04-16 Seiwa Denki Kk Ｌｅｄ点灯回路
JPH07262810A (ja) * 1994-03-18 1995-10-13 Sony Tektronix Corp 発光装置
JPH09244909A (ja) * 1996-03-13 1997-09-19 Nec Corp 情報処理システム
JPH1063303A (ja) * 1996-08-21 1998-03-06 Toshiba Corp コンピュータ制御装置
US5907569A (en) 1997-05-28 1999-05-25 Lucent Technologies Inc. Circuit for controlling the output power of an uncooled laser or light emitting diode
DE19734750C2 (de) 1997-08-12 2003-04-30 Reitter & Schefenacker Gmbh Heckleuchte von Kraftfahrzeugen
DE19749333A1 (de) * 1997-09-19 1999-03-25 Garufo Gmbh Leuchtsignal
JPH11214183A (ja) * 1998-01-22 1999-08-06 Hochiki Corp 発光回路
DE19804891A1 (de) 1998-02-07 1999-09-02 Mannesmann Vdo Ag Schaltungsanordnung zur Beleuchtung einer Anzeigevorrichtung in einem Kraftfahrzeug mit Leuchtdioden
US6208073B1 (en) * 1998-09-15 2001-03-27 Opto Tech Corp. Smart light emitting diode cluster and system
EP1006506A1 (en) * 1998-12-03 2000-06-07 Hewlett-Packard Company Optical vehicle display
DE19930174A1 (de) * 1999-06-30 2001-01-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
US6351079B1 (en) * 1999-08-19 2002-02-26 Schott Fibre Optics (Uk) Limited Lighting control device
US6161910A (en) * 1999-12-14 2000-12-19 Aerospace Lighting Corporation LED reading light
US6362578B1 (en) * 1999-12-23 2002-03-26 Stmicroelectronics, Inc. LED driver circuit and method

Also Published As

Publication number Publication date
EP1151639A1 (de) 2001-11-07
DE50015299D1 (de) 2008-09-18
WO2001030119A1 (de) 2001-04-26
DE19950135A1 (de) 2001-04-19
EP1151639B1 (de) 2008-08-06
JP4914988B2 (ja) 2012-04-11
CA2354473A1 (en) 2001-04-26
JP2003512733A (ja) 2003-04-02
US6515434B1 (en) 2003-02-04
JP2012015123A (ja) 2012-01-19

Similar Documents

Publication Publication Date Title
ATE404035T1 (de) Ansteuerschaltung für led und zugehöriges betriebsverfahren
DE50013044D1 (de) Ansteuerschaltung für led und zugehöriges betriebsverfahren
TW200731580A (en) LED lighting device
JP5041300B2 (ja) 発光ダイオード駆動回路及び発光ダイオード駆動制御ユニット
JP4848537B1 (ja) 発光ダイオードアレイ駆動回路
MX2019001197A (es) Aparato de iluminacion con temperatura de color seleccionable.
TW200715237A (en) Controller circuitry, system and method for light emitting diodes array
DE50103883D1 (de) Ansteuerschaltung für leuchtdioden
ATE379950T1 (de) Stromverstärker für leuchtdiodensteuerung
EP1992542A3 (de) LED-Anordnung für Lichtsignalgeber, insbesondere für Bahnübergänge, Lichtsignalgeber insbesondere für Bahnübergänge mit einer solchen LED-Anordnung sowie Verfahren zum Betreiben der LED-Anordnung
US20120319603A1 (en) Method to supply power to an led array as well as the circuit arrangement for implementing the method
EP3025562A2 (en) Power supply for led lighting system
US20210100079A1 (en) Led luminaire multiplexing with constant current driver
KR20140100392A (ko) 하나 이상의 엘이디동작부를 포함하는 엘이디 조명장치
KR101568751B1 (ko) 플리커 현상을 감소시키는 회로를 포함하는 엘이디 조명장치
KR20200045671A (ko) 차량용 직렬 엘이디 램프 고장 감지 후 엘이디 램프 밝기 유지 시스템
KR101490230B1 (ko) 전류제어를 통해 스위치회로부를 보호하는 엘이디 조명장치.
JP2019057478A (ja) 光源装置及び車両用灯具
US20150048749A1 (en) Ornamental lighting system
EP1583399A2 (en) Array of light emitting diodes
CN108575012B (zh) 一种用于车灯的led保护电路
KR101568752B1 (ko) 복수의 엘이디동작부를 포함하는 엘이디 조명장치
US9322538B2 (en) Structure of LED light set
MX2008008416A (es) Agrupamiento interconectado de modulos individuales que comprenden al menos un chip de diodos emisores de luz.
KR101490232B1 (ko) 플리커 방지 엘이디 조명장치

Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee