FR2996403B1 - Procede de regulation de la tension aux bornes d'un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant - Google Patents

Procede de regulation de la tension aux bornes d'un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant

Info

Publication number
FR2996403B1
FR2996403B1 FR1259168A FR1259168A FR2996403B1 FR 2996403 B1 FR2996403 B1 FR 2996403B1 FR 1259168 A FR1259168 A FR 1259168A FR 1259168 A FR1259168 A FR 1259168A FR 2996403 B1 FR2996403 B1 FR 2996403B1
Authority
FR
France
Prior art keywords
vehicle
terminals
voltage
controlling
diode assembly
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
FR1259168A
Other languages
English (en)
Other versions
FR2996403A1 (fr
Inventor
Michel Mahe
Christophe Maaded
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Priority to FR1259168A priority Critical patent/FR2996403B1/fr
Publication of FR2996403A1 publication Critical patent/FR2996403A1/fr
Application granted granted Critical
Publication of FR2996403B1 publication Critical patent/FR2996403B1/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]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • 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]
FR1259168A 2012-09-28 2012-09-28 Procede de regulation de la tension aux bornes d'un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant Expired - Fee Related FR2996403B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1259168A FR2996403B1 (fr) 2012-09-28 2012-09-28 Procede de regulation de la tension aux bornes d'un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1259168A FR2996403B1 (fr) 2012-09-28 2012-09-28 Procede de regulation de la tension aux bornes d'un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant

Publications (2)

Publication Number Publication Date
FR2996403A1 FR2996403A1 (fr) 2014-04-04
FR2996403B1 true FR2996403B1 (fr) 2015-05-22

Family

ID=47295023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1259168A Expired - Fee Related FR2996403B1 (fr) 2012-09-28 2012-09-28 Procede de regulation de la tension aux bornes d'un ensemble de diodes d'eclairage d'un projecteur de vehicule, et vehicule correspondant

Country Status (1)

Country Link
FR (1) FR2996403B1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19930174A1 (de) * 1999-06-30 2001-01-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
US6693394B1 (en) * 2002-01-25 2004-02-17 Yazaki North America, Inc. Brightness compensation for LED lighting based on ambient temperature
DE10225670A1 (de) * 2002-06-10 2003-12-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Ansteuerschaltung für mindestens einen LED-Strang
DE102004060890A1 (de) * 2004-12-17 2006-06-29 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Kfz-Scheinwerferelement
FR2900304B1 (fr) * 2006-04-20 2012-03-02 Valeo Vision Dispositif de commande de led pour un feu de vehicule
US7741825B2 (en) * 2006-11-02 2010-06-22 Infineon Technologies Ag Power supply circuit with temperature-dependent drive signal
DE102009003632B4 (de) * 2009-03-17 2013-05-16 Lear Corporation Gmbh Verfahren und Schaltungsanordnung zur Ansteuerung einer Last

Also Published As

Publication number Publication date
FR2996403A1 (fr) 2014-04-04

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