CN114731747B - 被布置用于发射特定颜色光的基于发光二极管led的照明设备以及对应的方法 - Google Patents

被布置用于发射特定颜色光的基于发光二极管led的照明设备以及对应的方法

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Publication number
CN114731747B
CN114731747B CN202080078158.4A CN202080078158A CN114731747B CN 114731747 B CN114731747 B CN 114731747B CN 202080078158 A CN202080078158 A CN 202080078158A CN 114731747 B CN114731747 B CN 114731747B
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CN
China
Prior art keywords
led
channel
duty cycle
controller
current
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.)
Active
Application number
CN202080078158.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN114731747A (zh
Inventor
L·L·M·沃格尔斯
J·H·A·哈格拉尔
B·J·W·特文梅
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.)
Signify Holding BV
Original Assignee
Signify Holding BV
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.)
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Publication date
Application filed by Signify Holding BV filed Critical Signify Holding BV
Publication of CN114731747A publication Critical patent/CN114731747A/zh
Application granted granted Critical
Publication of CN114731747B publication Critical patent/CN114731747B/zh
Active 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • 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
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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]
    • H05B45/20—Controlling the colour 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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/28—Controlling the colour 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
CN202080078158.4A 2019-11-12 2020-11-02 被布置用于发射特定颜色光的基于发光二极管led的照明设备以及对应的方法 Active CN114731747B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19208695 2019-11-12
EP19208695.7 2019-11-12
PCT/EP2020/080678 WO2021094120A1 (en) 2019-11-12 2020-11-02 A light emitting diode, led, based lighting device arranged for emitting a particular color of light, as well as a corresponding method

Publications (2)

Publication Number Publication Date
CN114731747A CN114731747A (zh) 2022-07-08
CN114731747B true CN114731747B (zh) 2026-03-20

Family

ID=68581317

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202080078158.4A Active CN114731747B (zh) 2019-11-12 2020-11-02 被布置用于发射特定颜色光的基于发光二极管led的照明设备以及对应的方法

Country Status (5)

Country Link
US (1) US11805585B2 (enExample)
EP (1) EP4059318A1 (enExample)
JP (1) JP7689956B2 (enExample)
CN (1) CN114731747B (enExample)
WO (1) WO2021094120A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114170955B (zh) * 2021-11-30 2023-02-28 中科芯集成电路有限公司 一种led屏幕低灰驱动电路和led显示驱动

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080075386A (ko) * 2007-02-12 2008-08-18 엘지디스플레이 주식회사 유기발광표시장치
WO2009110750A2 (ko) * 2008-03-05 2009-09-11 Lee Dae Sang Ｌｅｄ 조명기기

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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JP2002158096A (ja) * 2000-11-20 2002-05-31 Matsushita Electric Ind Co Ltd 表示装置
JP5260953B2 (ja) * 2007-12-25 2013-08-14 パナソニック株式会社 光源点灯装置、照明器具、照明システム
CN101483951B (zh) * 2009-02-16 2012-07-18 湖南力芯电子科技有限责任公司 发光二极管驱动器和驱动发光二极管的方法
JP2011145928A (ja) * 2010-01-15 2011-07-28 Sharp Corp 電源制御システム
CN102939793B (zh) * 2010-04-02 2015-07-15 马维尔国际贸易有限公司 具有管芯到管芯变化和温度漂移补偿的led控制器
US9468055B2 (en) * 2011-10-24 2016-10-11 Alpha And Omega Semiconductor Incorporated LED current control
US11109458B2 (en) * 2012-11-08 2021-08-31 Applied Biophotonics Ltd. Phototherapy system with dynamic drive for light-emitting diodes
EP3348121B1 (en) * 2015-09-11 2019-08-14 Signify Holding B.V. Lighting control circuit and method for multiple leds
ITUB20159597A1 (it) 2015-12-23 2017-06-23 St Microelectronics Srl Dispositivo integrato e metodo di pilotaggio di carichi di illuminazione con compensazione di luminosita'
CN105491761B (zh) * 2015-12-29 2018-08-14 生迪智慧科技有限公司 可调节色温的led灯和led灯的色温调节方法
ES2908577T3 (es) * 2016-04-22 2022-05-03 Signify Holding Bv Un procedimiento de control de una disposición de iluminación y un circuito de control de iluminación
DE102017116647B4 (de) 2017-07-24 2022-06-09 Melexis Technologies Nv Kalibrierung der Versorgungsspannung für Beleuchtungssysteme
US10939519B2 (en) * 2017-08-18 2021-03-02 Signify Holding B.V. Monitor device for a lighting arrangement, a driver using the monitoring arrangement, and a driving method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080075386A (ko) * 2007-02-12 2008-08-18 엘지디스플레이 주식회사 유기발광표시장치
WO2009110750A2 (ko) * 2008-03-05 2009-09-11 Lee Dae Sang Ｌｅｄ 조명기기

Also Published As

Publication number Publication date
JP7689956B2 (ja) 2025-06-09
JP2023502350A (ja) 2023-01-24
US20220394829A1 (en) 2022-12-08
CN114731747A (zh) 2022-07-08
US11805585B2 (en) 2023-10-31
EP4059318A1 (en) 2022-09-21
WO2021094120A1 (en) 2021-05-20

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