DE112011100646A5 - Schutz von leds gegen überhitzung und zu hohem durchgangsstrom - Google Patents

Schutz von leds gegen überhitzung und zu hohem durchgangsstrom Download PDF

Info

Publication number
DE112011100646A5
DE112011100646A5 DE112011100646T DE112011100646T DE112011100646A5 DE 112011100646 A5 DE112011100646 A5 DE 112011100646A5 DE 112011100646 T DE112011100646 T DE 112011100646T DE 112011100646 T DE112011100646 T DE 112011100646T DE 112011100646 A5 DE112011100646 A5 DE 112011100646A5
Authority
DE
Germany
Prior art keywords
protection
against overheating
high continuity
leds against
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.)
Withdrawn
Application number
DE112011100646T
Other languages
English (en)
Inventor
Markus Künzli
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.)
Tridonic AG
Original Assignee
Tridonic AG
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 Tridonic AG filed Critical Tridonic AG
Publication of DE112011100646A5 publication Critical patent/DE112011100646A5/de
Withdrawn legal-status Critical Current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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/54—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a series array of 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]
    • H05B45/10—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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/25—Circuit arrangements for protecting against overcurrent
    • 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]
DE112011100646T 2010-02-23 2011-02-23 Schutz von leds gegen überhitzung und zu hohem durchgangsstrom Withdrawn DE112011100646A5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010002227.6 2010-02-23
DE102010002227A DE102010002227A1 (de) 2010-02-23 2010-02-23 Schutz von LEDs gegen Überhitzung und zu hohem Durchgangsstrom
PCT/EP2011/052655 WO2011104262A1 (de) 2010-02-23 2011-02-23 Schutz von leds gegen überhitzung und zu hohem durchgangsstrom

Publications (1)

Publication Number Publication Date
DE112011100646A5 true DE112011100646A5 (de) 2013-02-28

Family

ID=44115733

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102010002227A Withdrawn DE102010002227A1 (de) 2010-02-23 2010-02-23 Schutz von LEDs gegen Überhitzung und zu hohem Durchgangsstrom
DE112011100646T Withdrawn DE112011100646A5 (de) 2010-02-23 2011-02-23 Schutz von leds gegen überhitzung und zu hohem durchgangsstrom

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102010002227A Withdrawn DE102010002227A1 (de) 2010-02-23 2010-02-23 Schutz von LEDs gegen Überhitzung und zu hohem Durchgangsstrom

Country Status (4)

Country Link
EP (1) EP2540140A1 (de)
CN (1) CN102771186B (de)
DE (2) DE102010002227A1 (de)
WO (1) WO2011104262A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9060408B2 (en) * 2012-07-10 2015-06-16 Dialog Semiconductor Inc. Thermal de-rating power supply for LED loads
DE202012104404U1 (de) * 2012-11-15 2014-02-17 Zumtobel Lighting Gmbh Schaltung zum Betreiben einer Lichtquelle mit Temperaturüberwachung
DE102013221715A1 (de) * 2013-10-25 2015-04-30 Zumtobel Lighting Gmbh LED-Schaltungsanordnung und Verfahren zum Betreiben einer LED-Schaltungsanordnung
CN108886854A (zh) * 2016-04-11 2018-11-23 伊顿智能动力有限公司 故障安全led***
CN107734748A (zh) * 2017-10-26 2018-02-23 芜湖市纯至网络科技有限公司 一种家用电灯的亮度智能调节方法
DE102018108412A1 (de) * 2018-04-10 2019-10-10 Siteco Beleuchtungstechnik Gmbh Temperaturüberwachtes led-modul

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19943345A1 (de) * 1999-09-10 2001-03-15 Hella Kg Hueck & Co LED-Leuchte
US7262752B2 (en) * 2001-01-16 2007-08-28 Visteon Global Technologies, Inc. Series led backlight control circuit
TWI242299B (en) * 2004-07-30 2005-10-21 Add Microtech Corp Integrated driver chip for light emitting diode
US7710050B2 (en) * 2005-11-17 2010-05-04 Magna International Inc Series connected power supply for semiconductor-based vehicle lighting systems
DE102007027951A1 (de) 2007-06-18 2008-12-24 Tridonicatco Schweiz Ag Schutzschaltung für eine Leuchtdiode
DE102008017483A1 (de) * 2008-04-03 2009-10-08 Steinel Gmbh Leuchtenvorrichtung
DE102008031029B4 (de) * 2008-06-30 2012-10-31 Texas Instruments Deutschland Gmbh Elektronisches Bauelement mit einer Schutzschaltung für eine lichtemittierende Vorrichtung

Also Published As

Publication number Publication date
EP2540140A1 (de) 2013-01-02
CN102771186B (zh) 2016-01-20
CN102771186A (zh) 2012-11-07
WO2011104262A1 (de) 2011-09-01
DE102010002227A1 (de) 2011-08-25

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Legal Events

Date Code Title Description
R012 Request for examination validly filed
R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: H05B0033080000

Ipc: H05B0045000000

R016 Response to examination communication
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee