DK4114145T3 - Led-dæmpningsenhed anvendt til fremskyndelse af induktiv energiudledning med konstant strømkilde - Google Patents

Led-dæmpningsenhed anvendt til fremskyndelse af induktiv energiudledning med konstant strømkilde

Info

Publication number
DK4114145T3
DK4114145T3 DK20921687.8T DK20921687T DK4114145T3 DK 4114145 T3 DK4114145 T3 DK 4114145T3 DK 20921687 T DK20921687 T DK 20921687T DK 4114145 T3 DK4114145 T3 DK 4114145T3
Authority
DK
Denmark
Prior art keywords
accelerate
current source
constant current
device used
dimming device
Prior art date
Application number
DK20921687.8T
Other languages
English (en)
Inventor
Weikai Jiang
Original Assignee
Guangzhou Haoyang Electronics 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 Guangzhou Haoyang Electronics Co Ltd filed Critical Guangzhou Haoyang Electronics Co Ltd
Application granted granted Critical
Publication of DK4114145T3 publication Critical patent/DK4114145T3/da

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]
    • H05B45/10—Controlling the intensity 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]
    • H05B45/10—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]
    • H05B45/30—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
    • H05B45/345—Current stabilisation; Maintaining constant current
    • 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
    • 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
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • 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]
DK20921687.8T 2020-02-28 2020-08-27 Led-dæmpningsenhed anvendt til fremskyndelse af induktiv energiudledning med konstant strømkilde DK4114145T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202020228488.4U CN211606885U (zh) 2020-02-28 2020-02-28 一种用于加快恒流源电感能量泄放的led调光装置
PCT/CN2020/111830 WO2021169210A1 (zh) 2020-02-28 2020-08-27 一种用于加快恒流源电感能量泄放的 led 调光装置

Publications (1)

Publication Number Publication Date
DK4114145T3 true DK4114145T3 (da) 2025-09-15

Family

ID=72581792

Family Applications (1)

Application Number Title Priority Date Filing Date
DK20921687.8T DK4114145T3 (da) 2020-02-28 2020-08-27 Led-dæmpningsenhed anvendt til fremskyndelse af induktiv energiudledning med konstant strømkilde

Country Status (6)

Country Link
US (1) US11849513B2 (da)
EP (1) EP4114145B1 (da)
CN (1) CN211606885U (da)
DK (1) DK4114145T3 (da)
HU (1) HUE072979T2 (da)
WO (1) WO2021169210A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116847505A (zh) * 2023-07-31 2023-10-03 杭州罗莱迪思科技股份有限公司 高刷新率调光灯控制方法
CN117693094B (zh) * 2024-01-26 2024-06-14 杭州罗莱迪思科技股份有限公司 灯具及其控制方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8487546B2 (en) * 2008-08-29 2013-07-16 Cirrus Logic, Inc. LED lighting system with accurate current control
TW201019795A (en) * 2008-11-06 2010-05-16 Aussmak Optoelectronic Corp Light-emitting device
US8373356B2 (en) * 2008-12-31 2013-02-12 Stmicroelectronics, Inc. System and method for a constant current source LED driver
US8373363B2 (en) * 2009-08-14 2013-02-12 Once Innovations, Inc. Reduction of harmonic distortion for LED loads
JP4975856B2 (ja) * 2010-09-24 2012-07-11 シャープ株式会社 照明装置用集積回路および照明装置
US8497637B2 (en) * 2011-04-13 2013-07-30 Gang Gary Liu Constant voltage dimmable LED driver
EP2741578B1 (en) * 2012-12-07 2017-06-07 Nxp B.V. LED current and dimming control using hysteresis comparatoradjustment of hysteresis upper and lower threshold levels
WO2015165925A1 (en) * 2014-04-30 2015-11-05 Koninklijke Philips N.V. Led circuit, a lighting arrangement and an led driving method
WO2015196443A1 (zh) * 2014-06-27 2015-12-30 东莞华明灯具有限公司 一种用于led灯的切相调光电路
KR102256631B1 (ko) * 2014-12-22 2021-05-26 엘지이노텍 주식회사 발광 소자 구동 장치
US9538601B1 (en) * 2015-10-08 2017-01-03 Allegro Microsystems, Llc Method and apparatus for driving loads using a DC-DC converter
CN105228312A (zh) * 2015-10-13 2016-01-06 保定多谷光电科技有限公司 一种led照明的智能控制系统
JP5995122B2 (ja) * 2015-10-30 2016-09-21 東芝ライテック株式会社 発光ダイオード点灯装置及び照明器具
CN206118126U (zh) * 2016-10-25 2017-04-19 上海路傲电子科技有限公司 一种新型线性恒流驱动电路
CN108243542B (zh) * 2016-12-26 2021-07-27 精工爱普生株式会社 发光控制电路、光源装置以及投射型影像显示装置
JP6876961B2 (ja) * 2017-03-30 2021-05-26 パナソニックＩｐマネジメント株式会社 点灯装置、車両用前照灯、及び車両
CN109392216B (zh) * 2018-03-22 2024-03-08 陕西亚成微电子股份有限公司 一种泄放电流自调节的方法及led可控硅调光电路
JP7183012B2 (ja) * 2018-10-16 2022-12-05 株式会社小糸製作所 車両用灯具およびその点灯回路

Also Published As

Publication number Publication date
CN211606885U (zh) 2020-09-29
WO2021169210A1 (zh) 2021-09-02
EP4114145B1 (en) 2025-08-13
US20220022294A1 (en) 2022-01-20
EP4114145A1 (en) 2023-01-04
EP4114145A4 (en) 2023-08-02
US11849513B2 (en) 2023-12-19
HUE072979T2 (hu) 2025-12-28

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