EP4744039A1 - FLEXIBLE DC-DC CONVERTER - Google Patents

FLEXIBLE DC-DC CONVERTER

Info

Publication number
EP4744039A1
EP4744039A1 EP23945340.0A EP23945340A EP4744039A1 EP 4744039 A1 EP4744039 A1 EP 4744039A1 EP 23945340 A EP23945340 A EP 23945340A EP 4744039 A1 EP4744039 A1 EP 4744039A1
Authority
EP
European Patent Office
Prior art keywords
converter
flexible
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.)
Pending
Application number
EP23945340.0A
Other languages
German (de)
French (fr)
Inventor
Jintao Liang
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.)
Valeo Vision SAS
Original Assignee
Valeo Vision 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 Valeo Vision SAS filed Critical Valeo Vision SAS
Publication of EP4744039A1 publication Critical patent/EP4744039A1/en
Pending legal-status Critical Current

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
    • H05B45/37—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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H05B45/375—Switched mode power supply [SMPS] using buck topology
    • 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
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/028—Generation of voltages supplied to electrode drivers in a matrix display other than LCD
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
EP23945340.0A 2023-07-14 2023-07-14 FLEXIBLE DC-DC CONVERTER Pending EP4744039A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/107382 WO2025015439A1 (en) 2023-07-14 2023-07-14 A flexible dc-dc converter

Publications (1)

Publication Number Publication Date
EP4744039A1 true EP4744039A1 (en) 2026-05-20

Family

ID=94280944

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23945340.0A Pending EP4744039A1 (en) 2023-07-14 2023-07-14 FLEXIBLE DC-DC CONVERTER

Country Status (3)

Country Link
EP (1) EP4744039A1 (en)
CN (1) CN121586922A (en)
WO (1) WO2025015439A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080001050A (en) * 2006-06-29 2008-01-03 삼성전기주식회사 LC backlight drive system with LED
KR20110133201A (en) * 2010-06-04 2011-12-12 엘지디스플레이 주식회사 LED driving circuit and driving method thereof
GB2482486A (en) * 2010-08-02 2012-02-08 Element Energy Ltd Hybridisation device
KR101974218B1 (en) * 2012-05-04 2019-05-02 매그나칩 반도체 유한회사 Led driver apparatus
CN105556821B (en) * 2013-09-19 2018-11-13 飞利浦照明控股有限公司 The compact drive for being used in particular for light emitting diode with auxiliary output
US10531527B1 (en) * 2019-04-26 2020-01-07 Infineon Technologies Ag Circuit for controlling delivery of an electrical signal to one or more light-emitting diode strings
CN116848355A (en) * 2020-12-21 2023-10-03 法雷奥照明公司 Lamp assemblies for performing multiple lighting functions

Also Published As

Publication number Publication date
CN121586922A (en) 2026-02-27
WO2025015439A1 (en) 2025-01-23

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