EP4730918A1 - Lichtemittierendes substrat und ansteuerungsverfahren - Google Patents

Lichtemittierendes substrat und ansteuerungsverfahren

Info

Publication number
EP4730918A1
EP4730918A1 EP23741965.0A EP23741965A EP4730918A1 EP 4730918 A1 EP4730918 A1 EP 4730918A1 EP 23741965 A EP23741965 A EP 23741965A EP 4730918 A1 EP4730918 A1 EP 4730918A1
Authority
EP
European Patent Office
Prior art keywords
light emitting
power supply
current
voltage
electrically connected
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
EP23741965.0A
Other languages
English (en)
French (fr)
Inventor
Jinfeng Liu
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
TCL China Star Optoelectronics Technology Co Ltd
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 TCL China Star Optoelectronics Technology Co Ltd filed Critical TCL China Star Optoelectronics Technology Co Ltd
Publication of EP4730918A1 publication Critical patent/EP4730918A1/de
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
    • 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]
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Control Of El Displays (AREA)
EP23741965.0A 2023-06-15 2023-06-30 Lichtemittierendes substrat und ansteuerungsverfahren Pending EP4730918A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202310708517.5A CN116546692B (zh) 2023-06-15 2023-06-15 发光基板及驱动方法
PCT/CN2023/104421 WO2024254910A1 (zh) 2023-06-15 2023-06-30 发光基板及驱动方法

Publications (1)

Publication Number Publication Date
EP4730918A1 true EP4730918A1 (de) 2026-04-22

Family

ID=87450883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23741965.0A Pending EP4730918A1 (de) 2023-06-15 2023-06-30 Lichtemittierendes substrat und ansteuerungsverfahren

Country Status (5)

Country Link
EP (1) EP4730918A1 (de)
JP (1) JP2025524309A (de)
CN (1) CN116546692B (de)
DE (1) DE112023000025B4 (de)
WO (1) WO2024254910A1 (de)

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004008840T2 (de) * 2003-07-07 2008-06-19 Rohm Co., Ltd., Kyoto Lasttreibervorrichtung und tragbare Vorrichtung, die solche Lasttreibervorrichtung verwendet
DE102005028403B4 (de) * 2005-06-20 2013-11-21 Austriamicrosystems Ag Stromquellenanordnung und Verfahren zum Betreiben einer elektrischen Last
DE102006059355A1 (de) * 2006-12-15 2008-06-19 Robert Bosch Gmbh Ansteuerungseinrichtung und Verfahren zum Betrieb wenigstens einer Reihenschaltung von Leuchtdioden
KR100883510B1 (ko) * 2007-04-05 2009-02-17 리치테크 테크놀로지 코포레이션 Ｏｌｅｄ 패널용 소비전력절감 제어회로 및 방법
US20080252222A1 (en) * 2007-04-16 2008-10-16 Texas Instruments Incorporated Systems and methods for driving light-emitting diodes
KR101473807B1 (ko) * 2007-07-20 2014-12-18 삼성디스플레이 주식회사 표시 장치용 광원 모듈 및 이를 포함하는 표시 장치
US20090187925A1 (en) * 2008-01-17 2009-07-23 Delta Electronic Inc. Driver that efficiently regulates current in a plurality of LED strings
JP2010199501A (ja) * 2009-02-27 2010-09-09 Mitsubishi Electric Corp Ｌｅｄ装置と、そのｌｅｄ装置を用いた映像装置
WO2010150444A1 (ja) * 2009-06-26 2010-12-29 パナソニック株式会社 発光素子駆動装置、面状照明装置および液晶表示装置
TWI491312B (zh) * 2009-10-16 2015-07-01 Green Solution Tech Co Ltd 負載驅動電路及多負載迴授電路
KR101154837B1 (ko) * 2010-05-10 2012-06-18 주식회사 실리콘웍스 전기적부하의 구동회로 및 그 구동방법
DE102010045389B4 (de) * 2010-09-15 2012-12-06 Austriamicrosystems Ag Spannungsversorgungsanordnung und Verfahren zur Spannungsversorgung einer elektrischen Last
DE102011003519A1 (de) * 2011-02-02 2012-08-02 Robert Bosch Gmbh Verfahren und Vorrichtung zur Regelung elektrischer Leuchtelemente
US8669711B2 (en) * 2011-04-22 2014-03-11 Crs Electronics Dynamic-headroom LED power supply
DE102011112188A1 (de) * 2011-09-01 2013-03-07 Austriamicrosystems Ag Treiberschaltung und Verfahren zum Treiben einer elektrischen Last
CN105047133A (zh) * 2015-08-07 2015-11-11 深圳市华星光电技术有限公司 一种有机发光二极管显示器
DE102019113864B4 (de) * 2019-05-23 2023-06-15 Elmos Semiconductor Se Verfahren zur Regelung der Ausgangsspannung eines Spannungsreglers
CN211792153U (zh) * 2019-10-25 2020-10-27 广州视源电子科技股份有限公司 一种背光控制电路、电视机和智能平板
CN111179870A (zh) * 2020-01-31 2020-05-19 北京京东方显示技术有限公司 一种电源驱动电路、其驱动方法及显示装置
CN114980419B (zh) * 2021-02-23 2025-03-07 漳州立达信光电子科技有限公司 一种可控硅拨码双调光驱动电路、调光驱动装置及灯具
CN215222534U (zh) * 2021-03-02 2021-12-17 漳州立达信光电子科技有限公司 一种调光驱动电路、调光驱动装置及灯具
CN113939063B (zh) * 2021-12-17 2022-03-22 深圳市明微电子股份有限公司 Led系统供电电源控制方法及供电电源可控的led系统
CN115800690A (zh) * 2022-11-03 2023-03-14 深圳市正浩创新科技股份有限公司 驱动电路的控制方法、供电电路及电子设备

Also Published As

Publication number Publication date
JP2025524309A (ja) 2025-07-30
DE112023000025T5 (de) 2025-02-20
CN116546692B (zh) 2023-10-13
DE112023000025B4 (de) 2025-08-14
CN116546692A (zh) 2023-08-04
WO2024254910A1 (zh) 2024-12-19

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