JP7637666B2 - ２チャンネルｃｃｔ調光のためのバランス制御の改善 - Google Patents

２チャンネルｃｃｔ調光のためのバランス制御の改善 Download PDF

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Publication number
JP7637666B2
JP7637666B2 JP2022502946A JP2022502946A JP7637666B2 JP 7637666 B2 JP7637666 B2 JP 7637666B2 JP 2022502946 A JP2022502946 A JP 2022502946A JP 2022502946 A JP2022502946 A JP 2022502946A JP 7637666 B2 JP7637666 B2 JP 7637666B2
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Japan
Prior art keywords
load
lighting system
led load
switch
led
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JP2022502946A
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English (en)
Japanese (ja)
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JP2022541259A5 (enExample
JP2022541259A (ja
Inventor
テオ ヘリット ザイルマン
モル ユージェン ヤコブ デ
ヘンリクス マリウス ヨセフ マリア カールマン
ツァオミン メン
ディミトロ ヴィクトロヴィッチ マリナ
マルセル バイ
フランシスクス ヤコブス ヴォッセン
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Signify Holding BV
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Signify Holding BV
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    • 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]
    • H05B45/20—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
    • H05B45/24—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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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
    • H05B45/34—Voltage stabilisation; Maintaining constant voltage
    • 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
    • H05B45/36—Circuits for reducing or suppressing harmonics, ripples or electromagnetic interferences [EMI]
    • 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
    • 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
    • H05B47/155—Coordinated control of two or more light sources
    • 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]

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2022502946A 2019-07-19 2020-07-16 ２チャンネルｃｃｔ調光のためのバランス制御の改善 Active JP7637666B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19187326 2019-07-19
EP19187326.4 2019-07-19
PCT/EP2020/070104 WO2021013677A1 (en) 2019-07-19 2020-07-16 Improved balance control for 2-channel cct dimming

Publications (3)

Publication Number Publication Date
JP2022541259A JP2022541259A (ja) 2022-09-22
JP2022541259A5 JP2022541259A5 (enExample) 2023-07-21
JP7637666B2 true JP7637666B2 (ja) 2025-02-28

Family

ID=67438192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022502946A Active JP7637666B2 (ja) 2019-07-19 2020-07-16 ２チャンネルｃｃｔ調光のためのバランス制御の改善

Country Status (5)

Country Link
US (1) US11743990B2 (enExample)
EP (1) EP4000352B1 (enExample)
JP (1) JP7637666B2 (enExample)
CN (1) CN114175858B (enExample)
WO (1) WO2021013677A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020249662A1 (en) * 2019-06-14 2020-12-17 Signify Holding B.V. An led driver control circuit
CN120604625A (zh) * 2023-01-19 2025-09-05 昕诺飞控股有限公司 用于高效多通道led驱动器的功率解复用器
CN117479375A (zh) * 2023-10-26 2024-01-30 谷原光电科技（上海）有限公司 交流输入电压驱动不同色温led的控制电路
IT202400002109A1 (it) 2024-02-01 2025-08-01 Inventronics Gmbh Dispositivo e sistema di pilotaggio, nonché procedimento corrispondente
EP4657990A1 (en) * 2024-05-28 2025-12-03 PO LIGHTING CZECH s.r.o. Led driving system

Citations (3)

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US20100164403A1 (en) 2008-12-31 2010-07-01 O2Micro, Inc. Circuits and methods for controlling LCD backlights
JP2012204258A (ja) 2011-03-28 2012-10-22 Mitsubishi Electric Corp 電源装置及び照明器具
JP2017526124A (ja) 2014-09-04 2017-09-07 レンセラール ポリテクニック インスティチュート Ｌｅｄ駆動システムおよびｌｅｄ制御方法

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US7777704B2 (en) * 2007-01-12 2010-08-17 Msilica, Incorporated System and method for controlling a multi-string light emitting diode backlighting system for an electronic display
KR20100119043A (ko) 2009-04-30 2010-11-09 삼성전자주식회사 광원 구동 방법, 이를 수행하기 위한 광원 구동 장치 및 이를 포함하는 표시 장치
US8334662B2 (en) 2009-09-11 2012-12-18 Iwatt Inc. Adaptive switch mode LED driver
DE102010034079A1 (de) 2010-08-12 2012-02-16 Seuffer Gmbh & Co.Kg Elektrische Steuerungsvorrichtung
US8638045B2 (en) * 2011-02-07 2014-01-28 Cypress Semiconductor Corporation Mutli-string LED current control system and method
EP2716134B1 (en) 2011-06-03 2017-10-04 OSRAM GmbH A method of driving led lighting sources and related device
GB2492833A (en) 2011-07-14 2013-01-16 Softkinetic Sensors Nv LED boost converter driver circuit for Time Of Flight light sources
WO2013028406A1 (en) * 2011-08-23 2013-02-28 Marvell World Trade, Ltd. Method and apparatus for led lighting
DE102011088966A1 (de) * 2011-12-19 2013-06-20 Tridonic Gmbh & Co. Kg Betriebsschaltung für Leuchtdioden und Verfahren zum Betrieb von Leuchtdioden
US9210751B2 (en) * 2012-05-01 2015-12-08 Express Imaging Systems, Llc Solid state lighting, drive circuit and method of driving same
CN203104906U (zh) 2013-02-23 2013-07-31 杭州乐图光电科技有限公司 一种可调光可调色温的led驱动电路
GB2517455B (en) 2013-08-20 2016-11-02 Harvard Eng Plc Lighting Apparatus
JP6471883B2 (ja) * 2013-10-02 2019-02-20 パナソニックＩｐマネジメント株式会社 照明装置
EP2949182B2 (en) 2013-11-25 2020-04-22 Signify Holding B.V. A method of controlling a lighting arrangement, a lighting controller and a lighting system
US9351352B2 (en) * 2014-04-03 2016-05-24 Linear Technology Corporation Boost then floating buck mode converter for LED driver using common switch control signal
US9618162B2 (en) 2014-04-25 2017-04-11 Cree, Inc. LED lamp
CN107439055B (zh) * 2015-04-07 2019-08-02 飞利浦照明控股有限公司 经由主电源或可再充电电源被供电的负载
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100164403A1 (en) 2008-12-31 2010-07-01 O2Micro, Inc. Circuits and methods for controlling LCD backlights
JP2012204258A (ja) 2011-03-28 2012-10-22 Mitsubishi Electric Corp 電源装置及び照明器具
JP2017526124A (ja) 2014-09-04 2017-09-07 レンセラール ポリテクニック インスティチュート Ｌｅｄ駆動システムおよびｌｅｄ制御方法

Also Published As

Publication number Publication date
US20220279636A1 (en) 2022-09-01
WO2021013677A1 (en) 2021-01-28
EP4000352B1 (en) 2023-09-06
CN114175858A (zh) 2022-03-11
JP2022541259A (ja) 2022-09-22
US11743990B2 (en) 2023-08-29
EP4000352A1 (en) 2022-05-25
CN114175858B (zh) 2025-05-02

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