JP2022541259A5 - - Google Patents

Info

Publication number
JP2022541259A5
JP2022541259A5 JP2022502946A JP2022502946A JP2022541259A5 JP 2022541259 A5 JP2022541259 A5 JP 2022541259A5 JP 2022502946 A JP2022502946 A JP 2022502946A JP 2022502946 A JP2022502946 A JP 2022502946A JP 2022541259 A5 JP2022541259 A5 JP 2022541259A5
Authority
JP
Japan
Prior art keywords
lighting system
switch
load
led load
coupled
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.)
Granted
Application number
JP2022502946A
Other languages
English (en)
Japanese (ja)
Other versions
JP7637666B2 (ja
JP2022541259A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/EP2020/070104 external-priority patent/WO2021013677A1/en
Publication of JP2022541259A publication Critical patent/JP2022541259A/ja
Publication of JP2022541259A5 publication Critical patent/JP2022541259A5/ja
Application granted granted Critical
Publication of JP7637666B2 publication Critical patent/JP7637666B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 true JP2022541259A5 (enExample) 2023-07-21
JP7637666B2 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

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8044609B2 (en) * 2008-12-31 2011-10-25 02Micro Inc Circuits and methods for controlling LCD backlights
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
JP2012204258A (ja) * 2011-03-28 2012-10-22 Mitsubishi Electric Corp 電源装置及び照明器具
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
EP3189710A4 (en) * 2014-09-04 2018-03-21 Rensselaer Polytechnic Institute N-color scalable led driver
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
US9907129B2 (en) * 2016-04-07 2018-02-27 Microchip Technology Incorporated Multiple LED string dimming control
US10028350B2 (en) 2016-09-25 2018-07-17 Illum Horticulture Llc Method and apparatus for horticultural lighting with enhanced dimming and optimized efficiency
EP3949687B1 (en) 2019-03-28 2025-06-25 Signify Holding B.V. Class 2 circuit protection

Similar Documents

Publication Publication Date Title
US10212770B2 (en) AC-DC single-inductor multiple-output LED drivers
TWI530079B (zh) 無電解電容之交流／直流轉換器及其控制方法
TWI495242B (zh) 雙向直流轉換器
CN101779522B (zh) 具有旁路驱动的led装置
JP6152736B2 (ja) 点灯装置及び照明器具
RU2012151316A (ru) Регулятор для уменьшения силы света, включающий в себя программируемый гистерезисный понижающий преобразователь для увеличения разрешения уменьшения силы света нагрузок твердотельного освещения
JP2014520366A5 (enExample)
TWI489762B (zh) High efficiency AC - DC voltage conversion circuit
CN101849431B (zh) 电源电路
CN101252797A (zh) 发光装置
JP5821023B2 (ja) 固体発光素子点灯装置及びそれを用いた照明器具
JP2019046814A (ja) Ｌｅｄ駆動システムおよびｌｅｄ制御方法
US20100045248A1 (en) Bi-directional Boost-Buck Voltage Converter
CN102421230A (zh) 一种led灯色彩调节驱动器
TWI461097B (zh) 發光二極體驅動電路
US20150097507A1 (en) Motor driving apparatus
RU2016114547A (ru) Компактный блок возбуждения, в частности, для светоизлучающих диодов, имеющий интегрированный двойной выход
TW201526500A (zh) 降壓型直流對直流轉換器及其操作方法
Thomas et al. A novel low-cost current-sharing method for automotive LED-lighting systems
Durán et al. A Zeta-buck-boost converter combination for single-input multiple-output applications
Alonso et al. A long-life high-power-factor HPS-lamp LED retrofit converter based on the integrated buck-boost buck topology
Pallapati et al. Electrolytic capacitor-less minimal power processing single-phase active LED driver with constant output current
KR101728938B1 (ko) 전원 회로의 역률 보정 회로
Dong et al. Single-inductor multiple-output current-source converter with improved cross regulation and simple control strategy
Chinchero et al. Review on DC-DC SIMO converters with parallel configuration for LED lighting control