FR2952785B1 - Dispositif d'eclairage a diodes electroluminescentes a circuit d'alimentation regule - Google Patents

Dispositif d'eclairage a diodes electroluminescentes a circuit d'alimentation regule

Info

Publication number
FR2952785B1
FR2952785B1 FR0905516A FR0905516A FR2952785B1 FR 2952785 B1 FR2952785 B1 FR 2952785B1 FR 0905516 A FR0905516 A FR 0905516A FR 0905516 A FR0905516 A FR 0905516A FR 2952785 B1 FR2952785 B1 FR 2952785B1
Authority
FR
France
Prior art keywords
power supply
light emitting
emitting device
supply circuit
regulated power
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
FR0905516A
Other languages
English (en)
Other versions
FR2952785A1 (fr
Inventor
Yves Sontag
Laurent Canal
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Priority to FR0905516A priority Critical patent/FR2952785B1/fr
Priority to US12/947,542 priority patent/US20110115388A1/en
Priority to EP10191417.4A priority patent/EP2326144B1/fr
Publication of FR2952785A1 publication Critical patent/FR2952785A1/fr
Application granted granted Critical
Publication of FR2952785B1 publication Critical patent/FR2952785B1/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]
    • H05B45/10—Controlling the intensity of the light
    • 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
    • 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
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/38—Switched mode power supply [SMPS] using boost topology
FR0905516A 2009-11-17 2009-11-17 Dispositif d'eclairage a diodes electroluminescentes a circuit d'alimentation regule Expired - Fee Related FR2952785B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0905516A FR2952785B1 (fr) 2009-11-17 2009-11-17 Dispositif d'eclairage a diodes electroluminescentes a circuit d'alimentation regule
US12/947,542 US20110115388A1 (en) 2009-11-17 2010-11-16 Light-emitting diode lighting device with regulated power supply circuit
EP10191417.4A EP2326144B1 (fr) 2009-11-17 2010-11-16 Dispositif d'éclairage à diodes électroluminescentes à circuit d'alimentation régulé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0905516A FR2952785B1 (fr) 2009-11-17 2009-11-17 Dispositif d'eclairage a diodes electroluminescentes a circuit d'alimentation regule

Publications (2)

Publication Number Publication Date
FR2952785A1 FR2952785A1 (fr) 2011-05-20
FR2952785B1 true FR2952785B1 (fr) 2012-02-03

Family

ID=42642454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0905516A Expired - Fee Related FR2952785B1 (fr) 2009-11-17 2009-11-17 Dispositif d'eclairage a diodes electroluminescentes a circuit d'alimentation regule

Country Status (3)

Country Link
US (1) US20110115388A1 (fr)
EP (1) EP2326144B1 (fr)
FR (1) FR2952785B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8427069B2 (en) * 2009-06-22 2013-04-23 Polar Semiconductor, Inc. Current-regulated power supply with soft-start protection
CN103698282B (zh) * 2013-12-23 2016-03-16 南京农业大学 一种用于作物生长信息监测的调制led光源驱动电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6078148A (en) * 1998-10-09 2000-06-20 Relume Corporation Transformer tap switching power supply for LED traffic signal
JP2006303016A (ja) * 2005-04-18 2006-11-02 Rohm Co Ltd 照明装置及びこれを用いた表示装置
US7382114B2 (en) * 2005-06-07 2008-06-03 Intersil Americas Inc. PFM-PWM DC-DC converter providing DC offset correction to PWM error amplifier and equalizing regulated voltage conditions when transitioning between PFM and PWM modes
US7317403B2 (en) * 2005-08-26 2008-01-08 Philips Lumileds Lighting Company, Llc LED light source for backlighting with integrated electronics
DE102006059355A1 (de) * 2006-12-15 2008-06-19 Robert Bosch Gmbh Ansteuerungseinrichtung und Verfahren zum Betrieb wenigstens einer Reihenschaltung von Leuchtdioden
US9814109B2 (en) * 2007-11-19 2017-11-07 Atmel Corporation Apparatus and technique for modular electronic display control
CN101222805B (zh) * 2007-12-20 2012-07-18 北京中星微电子有限公司 一种用于多串led分时调整的方法及使用该方法的驱动装置
US20090225020A1 (en) * 2008-03-07 2009-09-10 O2Micro, Inc. Backlight controller for driving light sources

Also Published As

Publication number Publication date
FR2952785A1 (fr) 2011-05-20
US20110115388A1 (en) 2011-05-19
EP2326144A1 (fr) 2011-05-25
EP2326144B1 (fr) 2013-06-12

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20150731