DE112011100594A5 - Led-spannungsmessung - Google Patents

Led-spannungsmessung Download PDF

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Publication number
DE112011100594A5
DE112011100594A5 DE112011100594T DE112011100594T DE112011100594A5 DE 112011100594 A5 DE112011100594 A5 DE 112011100594A5 DE 112011100594 T DE112011100594 T DE 112011100594T DE 112011100594 T DE112011100594 T DE 112011100594T DE 112011100594 A5 DE112011100594 A5 DE 112011100594A5
Authority
DE
Germany
Prior art keywords
voltage measurement
led voltage
led
measurement
voltage
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.)
Granted
Application number
DE112011100594T
Other languages
English (en)
Other versions
DE112011100594B4 (de
Inventor
Thomas Kuch
Dominique Combet
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 DE112011100594A5 publication Critical patent/DE112011100594A5/de
Application granted granted Critical
Publication of DE112011100594B4 publication Critical patent/DE112011100594B4/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
DE112011100594.6T 2010-02-18 2011-02-17 LED-Spannungsmessung Active DE112011100594B4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102010002081A DE102010002081A1 (de) 2010-02-18 2010-02-18 LED-Spannungsmessung
DE102010002081.8 2010-02-18
PCT/EP2011/052329 WO2011101398A2 (de) 2010-02-18 2011-02-17 Led-spannungsmessung

Publications (2)

Publication Number Publication Date
DE112011100594A5 true DE112011100594A5 (de) 2013-01-24
DE112011100594B4 DE112011100594B4 (de) 2015-09-03

Family

ID=44044112

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102010002081A Withdrawn DE102010002081A1 (de) 2010-02-18 2010-02-18 LED-Spannungsmessung
DE112011100594.6T Active DE112011100594B4 (de) 2010-02-18 2011-02-17 LED-Spannungsmessung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE102010002081A Withdrawn DE102010002081A1 (de) 2010-02-18 2010-02-18 LED-Spannungsmessung

Country Status (3)

Country Link
EP (1) EP2540139B1 (de)
DE (2) DE102010002081A1 (de)
WO (1) WO2011101398A2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011116231B4 (de) 2011-10-17 2017-12-21 Austriamicrosystems Ag Beleuchtungsanordnung und Verfahren zum Erkennen eines Kurzschlusses bei Dioden
DE102012220761A1 (de) * 2012-11-14 2014-05-15 Bag Engineering Gmbh Multifunktionales Betriebsgerät zum Versorgen eines Verbrauchers wie einer LED-Einrichtung
CN104838725A (zh) * 2012-12-06 2015-08-12 赤多尼科两合股份有限公司 用于发光机构的操作装置
AT13688U1 (de) * 2012-12-06 2014-06-15 Tridonic Gmbh & Co Kg Betriebsgerät für Leuchtmittel
DE102020208944A1 (de) 2020-07-16 2022-01-20 Osram Gmbh Verfahren und schaltungsanordnung zur detektion eines teilausfalls eines leuchtmittels mit mindestens einem strang von halbleiterlichtquellen
DE102020008118A1 (de) 2020-12-08 2022-06-09 Elmos Semiconductor Se Verfahren zur sicherheitsrelevanten Erfassung des Spannungsabfalls über ein Leuchtmittel in einem Fahrzeug
DE102020132666B3 (de) 2020-12-08 2022-03-10 Elmos Semiconductor Se Vorrichtung und Verfahren zur sicherheitsrelevanten Erfassung des Spannungsabfalls über ein Leuchtmittel in einem Fahrzeug
CN113193910B (zh) * 2021-04-12 2022-10-18 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） 一种led电光调制频率特性的自动测量装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2991893B2 (ja) * 1993-05-31 1999-12-20 富士通株式会社 発光素子の駆動回路及びこれを用いた光増幅中継器
JPH0792205A (ja) * 1993-09-27 1995-04-07 Matsushita Electric Works Ltd 電源電圧検知装置
JP3417891B2 (ja) * 1999-10-27 2003-06-16 株式会社オートネットワーク技術研究所 電流検出装置
DE10140331C2 (de) * 2001-08-16 2003-11-06 Siemens Ag Lichtzeichen zur Verkehrssteuerung und Verfahren zur Funktionsüberwachung eines solchen Zeichens
DE102004027676B4 (de) * 2004-04-30 2006-06-14 Siemens Ag Verfahren und Vorrichtung zum Prüfen wenigstens eines LED-Strangs
DE102006034371B4 (de) 2006-04-21 2019-01-31 Tridonic Ag Betriebsschaltung und Betriebsverfahren für Leuchtdioden
US7884557B2 (en) * 2006-07-14 2011-02-08 Wolfson Microelectronics Plc Protection circuit and method
AT504949B1 (de) * 2007-02-20 2008-11-15 Zizala Lichtsysteme Gmbh Schaltungsanordnung zur erkennung eines kurzschlusses von leuchtdioden
DE202007007777U1 (de) * 2007-06-01 2007-08-16 Conwys Ag Schaltungsanordnung
DE202007007776U1 (de) * 2007-06-01 2007-08-09 Conwys Ag Anhängeranschlußgerät
US8421375B2 (en) * 2007-06-25 2013-04-16 Ingersoll-Rand Company Amplification circuit and heat sink used with a light emitting apparatus having varying voltages
JP4994253B2 (ja) * 2008-01-24 2012-08-08 株式会社ジャパンディスプレイイースト 液晶表示装置

Also Published As

Publication number Publication date
EP2540139A2 (de) 2013-01-02
DE112011100594B4 (de) 2015-09-03
WO2011101398A3 (de) 2014-03-13
WO2011101398A2 (de) 2011-08-25
DE102010002081A1 (de) 2011-08-18
EP2540139B1 (de) 2016-10-05

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