KR20080083659A - Ｌｅｄ를 고주파 변조시키기 위한 회로­장치, 시스템 및 방법 - Google Patents

Ｌｅｄ를 고주파 변조시키기 위한 회로­장치, 시스템 및 방법 Download PDF

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Publication number
KR20080083659A
KR20080083659A KR1020087016876A KR20087016876A KR20080083659A KR 20080083659 A KR20080083659 A KR 20080083659A KR 1020087016876 A KR1020087016876 A KR 1020087016876A KR 20087016876 A KR20087016876 A KR 20087016876A KR 20080083659 A KR20080083659 A KR 20080083659A
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KR
South Korea
Prior art keywords
led
circuit
modulation
voltage
leds
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1020087016876A
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English (en)
Korean (ko)
Inventor
디르크 헨테
게오르그 사우에랜더
Original Assignee
코닌클리즈케 필립스 일렉트로닉스 엔.브이.
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.)
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Publication date
Application filed by 코닌클리즈케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리즈케 필립스 일렉트로닉스 엔.브이.
Publication of KR20080083659A publication Critical patent/KR20080083659A/ko
Ceased legal-status Critical Current

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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)
  • Telephone Set Structure (AREA)
  • Electroluminescent Light Sources (AREA)
KR1020087016876A 2005-12-14 2006-12-04 Ｌｅｄ를 고주파 변조시키기 위한 회로­장치, 시스템 및 방법 Ceased KR20080083659A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05112107.7 2005-12-14
EP05112107 2005-12-14

Publications (1)

Publication Number Publication Date
KR20080083659A true KR20080083659A (ko) 2008-09-18

Family

ID=37890835

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020087016876A Ceased KR20080083659A (ko) 2005-12-14 2006-12-04 Ｌｅｄ를 고주파 변조시키기 위한 회로­장치, 시스템 및 방법

Country Status (9)

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

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
EP2177080B1 (en) * 2007-07-23 2019-05-29 Nxp B.V. Led arrangement with bypass driving
RU2513990C2 (ru) * 2008-06-25 2014-04-27 Конинклейке Филипс Электроникс Н.В. Конфигурация возбудителя органических светоизлучающих диодов
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
EP2745640B1 (en) * 2011-10-21 2017-12-13 Philips Lighting Holding B.V. Light emitting diode driver controlled by pulse superimposed on power signal
AT512544B1 (de) 2012-02-16 2014-02-15 Zizala Lichtsysteme Gmbh Verfahren zum erzeugen eines lauflichteffektes an einer lichtleiterstruktur und lichtleiterstruktur
AT512545B1 (de) 2012-02-16 2017-05-15 Zkw Group Gmbh Statusanzeige für den Zustand einer betriebsrelevanten Komponente eines Kraftfahrzeugs
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 (https=) * 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
AP743A (en) * 1995-04-19 1999-04-26 Gec Alsthom Acec Transp S A Continuous input cell for data acquisition circuits.
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
ATE445308T1 (de) 2009-10-15
TW200731843A (en) 2007-08-16
DE602006009703D1 (de) 2009-11-19
WO2007069124A1 (en) 2007-06-21
US20080265795A1 (en) 2008-10-30
EP1964447A1 (en) 2008-09-03
CN101331797B (zh) 2010-06-09
JP2009527894A (ja) 2009-07-30
US8063579B2 (en) 2011-11-22
EP1964447B1 (en) 2009-10-07
CN101331797A (zh) 2008-12-24

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