FR3060934B1 - Circuit optoelectronique comprenant des diodes electroluminescentes - Google Patents

Circuit optoelectronique comprenant des diodes electroluminescentes Download PDF

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Publication number
FR3060934B1
FR3060934B1 FR1662965A FR1662965A FR3060934B1 FR 3060934 B1 FR3060934 B1 FR 3060934B1 FR 1662965 A FR1662965 A FR 1662965A FR 1662965 A FR1662965 A FR 1662965A FR 3060934 B1 FR3060934 B1 FR 3060934B1
Authority
FR
France
Prior art keywords
optoelectronic circuit
circuit including
including light
luminescent diodes
assemblies
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
FR1662965A
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English (en)
Other versions
FR3060934A1 (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 FR1662965A priority Critical patent/FR3060934B1/fr
Publication of FR3060934A1 publication Critical patent/FR3060934A1/fr
Application granted granted Critical
Publication of FR3060934B1 publication Critical patent/FR3060934B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

Landscapes

  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un circuit optoélectronique (50) destiné à recevoir une tension variable (VALIM) contenant une alternance de phases croissantes et décroissantes, le circuit optoélectronique comprenant : des ensembles (Di) de diodes électroluminescentes montés en série ; un dispositif de commutation (24) adapté à commander ou interrompre la circulation d'un courant (ICS) dans chaque ensemble ; et un dispositif de stockage d'énergie (41) monté en parallèle des ensembles et comprenant au moins un condensateur (C) monté en série avec un premier interrupteur (SWC), le dispositif de commutation comprenant un module de commande (26) adapté à commander l'ouverture du premier interrupteur au moins pendant une partie de chaque phase décroissante.
FR1662965A 2016-12-21 2016-12-21 Circuit optoelectronique comprenant des diodes electroluminescentes Expired - Fee Related FR3060934B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1662965A FR3060934B1 (fr) 2016-12-21 2016-12-21 Circuit optoelectronique comprenant des diodes electroluminescentes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1662965 2016-12-21
FR1662965A FR3060934B1 (fr) 2016-12-21 2016-12-21 Circuit optoelectronique comprenant des diodes electroluminescentes

Publications (2)

Publication Number Publication Date
FR3060934A1 FR3060934A1 (fr) 2018-06-22
FR3060934B1 true FR3060934B1 (fr) 2020-11-27

Family

ID=58162871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1662965A Expired - Fee Related FR3060934B1 (fr) 2016-12-21 2016-12-21 Circuit optoelectronique comprenant des diodes electroluminescentes

Country Status (1)

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FR (1) FR3060934B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103340017B (zh) * 2011-01-28 2015-04-22 首尔半导体株式会社 Led驱动电路封装
KR101686501B1 (ko) * 2013-05-23 2016-12-14 (주)제이앤씨테크 발광다이오드 구동장치
US9374863B2 (en) * 2014-09-15 2016-06-21 Analog Integrations Corporation AC LED lamps and control methods thereof

Also Published As

Publication number Publication date
FR3060934A1 (fr) 2018-06-22

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