FR3049421B1 - Circuit optoelectronique comprenant des diodes electroluminescentes - Google Patents

Circuit optoelectronique comprenant des diodes electroluminescentes Download PDF

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Publication number
FR3049421B1
FR3049421B1 FR1652578A FR1652578A FR3049421B1 FR 3049421 B1 FR3049421 B1 FR 3049421B1 FR 1652578 A FR1652578 A FR 1652578A FR 1652578 A FR1652578 A FR 1652578A FR 3049421 B1 FR3049421 B1 FR 3049421B1
Authority
FR
France
Prior art keywords
optoelectronic circuit
terminal
circuit including
including light
luminescent diodes
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.)
Expired - Fee Related
Application number
FR1652578A
Other languages
English (en)
Other versions
FR3049421A1 (fr
Inventor
Frederic Mercier
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.)
Aledia
Original Assignee
Aledia
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 Aledia filed Critical Aledia
Priority to FR1652578A priority Critical patent/FR3049421B1/fr
Priority to PCT/FR2017/050664 priority patent/WO2017162982A1/fr
Publication of FR3049421A1 publication Critical patent/FR3049421A1/fr
Application granted granted Critical
Publication of FR3049421B1 publication Critical patent/FR3049421B1/fr
Expired - Fee Related 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]
    • H05B45/40—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
    • 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
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
    • H05B45/3575—Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers

Abstract

L'invention concerne un circuit optoélectronique (70) destiné à recevoir, entre une première borne (IN1) et une deuxième borne (IN2), une tension variable (VIN) contenant une alternance de phases croissantes et décroissantes, le circuit optoélectronique comprenant des ensembles (Di) de diodes électroluminescentes , un dispositif de commutation (24) adapté à permettre ou interrompre la circulation d'un courant (ICS) dans chaque ensemble, un dispositif de stockage d'énergie (42) et un dispositif (71) de réduction d'impédance entre la première borne et la deuxième borne.
FR1652578A 2016-03-24 2016-03-24 Circuit optoelectronique comprenant des diodes electroluminescentes Expired - Fee Related FR3049421B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1652578A FR3049421B1 (fr) 2016-03-24 2016-03-24 Circuit optoelectronique comprenant des diodes electroluminescentes
PCT/FR2017/050664 WO2017162982A1 (fr) 2016-03-24 2017-03-21 Circuit optoelectronique comprenant des diodes electroluminescentes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1652578A FR3049421B1 (fr) 2016-03-24 2016-03-24 Circuit optoelectronique comprenant des diodes electroluminescentes

Publications (2)

Publication Number Publication Date
FR3049421A1 FR3049421A1 (fr) 2017-09-29
FR3049421B1 true FR3049421B1 (fr) 2020-11-27

Family

ID=56087374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1652578A Expired - Fee Related FR3049421B1 (fr) 2016-03-24 2016-03-24 Circuit optoelectronique comprenant des diodes electroluminescentes

Country Status (2)

Country Link
FR (1) FR3049421B1 (fr)
WO (1) WO2017162982A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8324840B2 (en) * 2009-06-04 2012-12-04 Point Somee Limited Liability Company Apparatus, method and system for providing AC line power to lighting devices
CN104170528B (zh) * 2012-03-16 2017-10-27 飞利浦照明控股有限公司 电路装置
TWI510136B (zh) * 2013-01-31 2015-11-21 Groups Tech Co Ltd Ｌｅｄ光引擎的電子控制裝置及其應用
FR3023119B1 (fr) 2014-06-30 2019-08-02 Aledia Circuit optoelectronique a diodes electroluminescentes

Also Published As

Publication number Publication date
FR3049421A1 (fr) 2017-09-29
WO2017162982A1 (fr) 2017-09-28

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