CA2759448A1 - Dispositif de pilotage pour une lampe a diode electroluminescente (del) - Google Patents

Dispositif de pilotage pour une lampe a diode electroluminescente (del) Download PDF

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Publication number
CA2759448A1
CA2759448A1 CA2759448A CA2759448A CA2759448A1 CA 2759448 A1 CA2759448 A1 CA 2759448A1 CA 2759448 A CA2759448 A CA 2759448A CA 2759448 A CA2759448 A CA 2759448A CA 2759448 A1 CA2759448 A1 CA 2759448A1
Authority
CA
Canada
Prior art keywords
leds
illumination device
string
series
current
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.)
Abandoned
Application number
CA2759448A
Other languages
English (en)
Inventor
Markus Cornelius Vermeulen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of CA2759448A1 publication Critical patent/CA2759448A1/fr
Abandoned legal-status Critical Current

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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical feedback
    • 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
    • H05B45/18—Controlling the intensity of the light using temperature feedback
    • 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/24—Controlling the colour 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
    • H05B45/395—Linear regulators
    • 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

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
CA2759448A 2009-04-23 2010-04-16 Dispositif de pilotage pour une lampe a diode electroluminescente (del) Abandoned CA2759448A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09158610.7 2009-04-23
EP09158610 2009-04-23
PCT/IB2010/051662 WO2010122463A1 (fr) 2009-04-23 2010-04-16 Dispositif de pilotage pour une lampe à diode électroluminescente (del)

Publications (1)

Publication Number Publication Date
CA2759448A1 true CA2759448A1 (fr) 2010-10-28

Family

ID=42309674

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2759448A Abandoned CA2759448A1 (fr) 2009-04-23 2010-04-16 Dispositif de pilotage pour une lampe a diode electroluminescente (del)

Country Status (7)

Country Link
EP (1) EP2422583A1 (fr)
JP (1) JP2012524961A (fr)
KR (1) KR20120018773A (fr)
CN (1) CN102415213A (fr)
CA (1) CA2759448A1 (fr)
RU (1) RU2011147477A (fr)
WO (1) WO2010122463A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011050908A1 (de) * 2011-06-08 2012-12-13 Dietmar Müller Leuchtdiodenlampe und Schaltung zur Steuerung einer Lichtquelle
US9408278B2 (en) 2012-02-07 2016-08-02 Panasonic Intellectual Property Management Co., Ltd. Light-emitting circuit with variable resistor element, and light-emitting module and illumination device including the same
CN102856892B (zh) * 2012-04-18 2016-03-30 张宏志 一种电源
CN104303597B (zh) * 2012-05-15 2017-12-15 飞利浦照明控股有限公司 光源电路
KR20160014379A (ko) 2014-07-29 2016-02-11 주식회사 실리콘웍스 조명 장치
US10390406B2 (en) 2014-09-04 2019-08-20 Rensselaer Polytechnic Institute N-color scalable LED driver
US10104730B2 (en) 2017-03-07 2018-10-16 B/E Aerospace, Inc. LED bulb and method for operating same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19950135A1 (de) * 1999-10-18 2001-04-19 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
US6621235B2 (en) * 2001-08-03 2003-09-16 Koninklijke Philips Electronics N.V. Integrated LED driving device with current sharing for multiple LED strings
US7847783B2 (en) * 2005-10-11 2010-12-07 O2Micro International Limited Controller circuitry for light emitting diodes

Also Published As

Publication number Publication date
EP2422583A1 (fr) 2012-02-29
KR20120018773A (ko) 2012-03-05
CN102415213A (zh) 2012-04-11
RU2011147477A (ru) 2013-05-27
JP2012524961A (ja) 2012-10-18
WO2010122463A1 (fr) 2010-10-28

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20140416