ATE445308T1 - Schaltungsanordnung zur modulierung einer led und betriebsverfahren dafür - Google Patents

Schaltungsanordnung zur modulierung einer led und betriebsverfahren dafür

Info

Publication number
ATE445308T1
ATE445308T1 AT06832070T AT06832070T ATE445308T1 AT E445308 T1 ATE445308 T1 AT E445308T1 AT 06832070 T AT06832070 T AT 06832070T AT 06832070 T AT06832070 T AT 06832070T AT E445308 T1 ATE445308 T1 AT E445308T1
Authority
AT
Austria
Prior art keywords
led
modulating
circuit arrangement
operating method
method therefor
Prior art date
Application number
AT06832070T
Other languages
German (de)
English (en)
Inventor
Dirk Hente
Georg Sauerlaender
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE445308T1 publication Critical patent/ATE445308T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/502—LED transmitters
    • 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
    • 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
    • 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
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Led Devices (AREA)
  • Control Of El Displays (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Electroluminescent Light Sources (AREA)
  • Telephone Set Structure (AREA)
AT06832070T 2005-12-14 2006-12-04 Schaltungsanordnung zur modulierung einer led und betriebsverfahren dafür ATE445308T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05112107 2005-12-14
PCT/IB2006/054581 WO2007069124A1 (en) 2005-12-14 2006-12-04 Circuit-arrangement for modulating an led and method for operating same

Publications (1)

Publication Number Publication Date
ATE445308T1 true ATE445308T1 (de) 2009-10-15

Family

ID=37890835

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06832070T ATE445308T1 (de) 2005-12-14 2006-12-04 Schaltungsanordnung zur modulierung einer led und betriebsverfahren dafür

Country Status (9)

Country Link
US (1) US8063579B2 (enExample)
EP (1) EP1964447B1 (enExample)
JP (1) JP2009527894A (enExample)
KR (1) KR20080083659A (enExample)
CN (1) CN101331797B (enExample)
AT (1) ATE445308T1 (enExample)
DE (1) DE602006009703D1 (enExample)
TW (1) TW200731843A (enExample)
WO (1) WO2007069124A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201018692Y (zh) * 2007-01-30 2008-02-06 郑清吉 通用电源输入的灯串控制器
WO2009013676A2 (en) * 2007-07-23 2009-01-29 Nxp B.V. Led arrangement with bypass driving
WO2009156925A2 (en) * 2008-06-25 2009-12-30 Philips Intellectual Property & Standards Gmbh Organic light emitting diode driver arrangement
EP2194489A1 (fr) 2008-12-02 2010-06-09 EM Microelectronic-Marin SA Carte électronique ayant des moyens de commande
EP2194760A1 (de) * 2008-12-08 2010-06-09 Delphi Technologies, Inc. Vorrichtung mit mehreren elektrisch in Serie geschalteten Leuchtmitteln
TWM391247U (en) * 2010-06-14 2010-10-21 Unity Opto Technology Co Ltd Improved protection structure for LED
JP6202419B2 (ja) * 2011-09-12 2017-09-27 パナソニックＩｐマネジメント株式会社 照明器具
RU2608828C2 (ru) * 2011-10-21 2017-01-25 Филипс Лайтинг Холдинг Б.В. Драйвер светоизлучающего диода, управляемый импульсом, наложенным на силовой сигнал
AT512545B1 (de) 2012-02-16 2017-05-15 Zkw Group Gmbh Statusanzeige für den Zustand einer betriebsrelevanten Komponente eines Kraftfahrzeugs
AT512544B1 (de) 2012-02-16 2014-02-15 Zizala Lichtsysteme Gmbh Verfahren zum erzeugen eines lauflichteffektes an einer lichtleiterstruktur und lichtleiterstruktur
AT512603B1 (de) * 2012-02-24 2014-06-15 Zizala Lichtsysteme Gmbh LED-Ansteuerung für Lauflicht-Blinker
FR3046294A1 (fr) * 2015-12-29 2017-06-30 Aledia Circuit optoelectronique a diodes electroluminescentes

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365281A (en) * 1980-06-18 1982-12-21 Reliance Electric Company Protection circuit for switching transistors serially connected between a D.C. voltage source
GB2162399B (en) 1984-07-25 1987-10-14 Stc Plc Led modulator
JPS63145353U (enExample) * 1987-03-16 1988-09-26
IT1254843B (it) 1992-03-25 1995-10-11 Nuovo Pignone Spa Termostato ambiente perfezionato,particolarmente adatto per caldaie murali
US5825777A (en) * 1995-05-05 1998-10-20 Creative Integrated Systems, Inc. Home and small business phone system for operation on a single internal twisted pair line and methodology for operating the same
CZ292986B6 (cs) * 1995-04-19 2004-01-14 Gec Alsthom Acec Transport S.A. Stejnosměrný vstupní článek pro obvody sběru dat
JP3806464B2 (ja) * 1996-05-16 2006-08-09 リコー光学株式会社 半導体レーザ駆動装置
US5852550A (en) * 1997-08-04 1998-12-22 Philips Electronics North America Corporation Switched-mode power supply circuit having a very low power stand-by mode
DE19841490B4 (de) 1998-09-10 2005-06-30 Infineon Technologies Ag Schaltungsanordnung zum Schutz einer Serienschaltung aus mindestens zwei Leuchdioden vor dem Ausfall
US6650064B2 (en) 2000-09-29 2003-11-18 Aerospace Optics, Inc. Fault tolerant led display design
US6323631B1 (en) 2001-01-18 2001-11-27 Sunplus Technology Co., Ltd. Constant current driver with auto-clamped pre-charge function
GB2392023A (en) 2002-08-05 2004-02-18 Gen Electric Series connected oled structure and fabrication method
JP2004302070A (ja) * 2003-03-31 2004-10-28 Tohoku Pioneer Corp 発光表示パネルの駆動装置
WO2004100612A1 (en) 2003-05-07 2004-11-18 Koninklijke Philips Electronics N.V. Single driver for multiple light emitting diodes
JP3600915B1 (ja) * 2003-10-09 2004-12-15 ローム株式会社 スイッチング電源装置及び表示装置付き電子機器
US7078942B2 (en) 2004-03-18 2006-07-18 Hon Hai Precision Ind. Co., Ltd. Driving apparatus for generating a driving current using PWM
JP2005294758A (ja) * 2004-04-05 2005-10-20 Toshiba Corp 発光素子駆動回路
US7215086B2 (en) * 2004-04-23 2007-05-08 Lighting Science Group Corporation Electronic light generating element light bulb

Also Published As

Publication number Publication date
WO2007069124A1 (en) 2007-06-21
KR20080083659A (ko) 2008-09-18
CN101331797A (zh) 2008-12-24
US20080265795A1 (en) 2008-10-30
DE602006009703D1 (de) 2009-11-19
TW200731843A (en) 2007-08-16
CN101331797B (zh) 2010-06-09
EP1964447B1 (en) 2009-10-07
JP2009527894A (ja) 2009-07-30
US8063579B2 (en) 2011-11-22
EP1964447A1 (en) 2008-09-03

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties