CN112567891B - Led驱动电路 - Google Patents

Led驱动电路 Download PDF

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Publication number
CN112567891B
CN112567891B CN201980053994.4A CN201980053994A CN112567891B CN 112567891 B CN112567891 B CN 112567891B CN 201980053994 A CN201980053994 A CN 201980053994A CN 112567891 B CN112567891 B CN 112567891B
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CN
China
Prior art keywords
current
led
input current
switch
segments
Prior art date
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CN201980053994.4A
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English (en)
Chinese (zh)
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CN112567891A (zh
Inventor
石亮
付洁
王刚
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Signify Holding BV
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Signify Holding BV
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Publication of CN112567891A publication Critical patent/CN112567891A/zh
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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
    • 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]
    • H05B45/20—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]
    • H05B45/20—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]
    • H05B45/30—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
    • H05B45/395—Linear regulators
    • 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
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H05B47/183—Controlling the light source by remote control via data-bus transmission using digital addressable lighting interface [DALI] communication protocols

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
CN201980053994.4A 2018-08-17 2019-08-12 Led驱动电路 Active CN112567891B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CNPCT/CN2018/101182 2018-08-17
CN2018101182 2018-08-17
EP18204418.0 2018-11-05
EP18204418 2018-11-05
PCT/EP2019/071553 WO2020035436A1 (en) 2018-08-17 2019-08-12 Led driving circuit

Publications (2)

Publication Number Publication Date
CN112567891A CN112567891A (zh) 2021-03-26
CN112567891B true CN112567891B (zh) 2024-04-05

Family

ID=67544265

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980053994.4A Active CN112567891B (zh) 2018-08-17 2019-08-12 Led驱动电路

Country Status (6)

Country Link
US (1) US11291094B2 (enExample)
EP (1) EP3837926B1 (enExample)
JP (1) JP7335324B2 (enExample)
CN (1) CN112567891B (enExample)
ES (1) ES2970065T3 (enExample)
WO (1) WO2020035436A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114040543B (zh) * 2021-07-20 2023-08-29 杰华特微电子股份有限公司 一种led线性驱动电路
EP4203618A1 (en) * 2021-12-21 2023-06-28 Tridonic GmbH & Co. KG Lighting system

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EP0695112A1 (fr) * 1994-07-29 1996-01-31 Vibrachoc Circuit de montage de diodes électroluminescentes
JP2010021008A (ja) * 2008-07-10 2010-01-28 Koizumi Lighting Technology Corp Ｌｅｄ照明装置
CN101926224A (zh) * 2008-01-28 2010-12-22 Nxp股份有限公司 Led驱动器电路及方法、估计发光二极管结温的系统和方法
CN103052207A (zh) * 2011-10-14 2013-04-17 欧司朗股份有限公司 用于驱动光源的电路、相关照明系统和驱动光源的方法
CN103348773A (zh) * 2011-01-28 2013-10-09 首尔半导体株式会社 Led发光装置及其驱动方法
CN103582217A (zh) * 2012-07-31 2014-02-12 西安展芯微电子技术有限公司 一种电流纹波可控的led驱动电路
CN103617782A (zh) * 2013-12-04 2014-03-05 中航华东光电有限公司 一种led背光冗余备份电路及其控制方法
JP2014160574A (ja) * 2013-02-20 2014-09-04 Sanken Electric Co Ltd Ｌｅｄ駆動装置及びｌｅｄ照明装置
CN104244513A (zh) * 2014-08-07 2014-12-24 矽力杰半导体技术(杭州)有限公司 一种多路led恒流驱动电路、驱动方法及led驱动电源
CN105191498A (zh) * 2013-05-03 2015-12-23 皇家飞利浦有限公司 Led照明电路
WO2016164928A1 (en) * 2015-04-09 2016-10-13 Lynk Labs, Inc. Low flicker ac driven led lighting system, drive method and apparatus
JP2017503351A (ja) * 2014-01-06 2017-01-26 フィリップス ライティング ホールディング ビー ヴィ リップルに基づく発光ダイオード駆動
CN107094329A (zh) * 2017-05-03 2017-08-25 矽力杰半导体技术(杭州)有限公司 Led驱动电路
CN107683630A (zh) * 2015-04-23 2018-02-09 港大科桥有限公司 Ac‑dc单个电感器多个输出led驱动器

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CA2540838C (en) 2003-10-03 2014-12-16 Thorn Bioscience, Llc Process for the synchronization of ovulation for timed breeding without heat detection
US8674613B2 (en) 2009-06-22 2014-03-18 Richard Landry Gray Power reforming methods and associated multiphase lights
US8334662B2 (en) * 2009-09-11 2012-12-18 Iwatt Inc. Adaptive switch mode LED driver
GB2475518A (en) * 2009-11-20 2011-05-25 Technelec Ltd Two stage resonant converter for LED lamps
US10321541B2 (en) * 2011-03-11 2019-06-11 Ilumi Solutions, Inc. LED lighting device
JP5829067B2 (ja) * 2011-07-11 2015-12-09 ローム株式会社 Ｌｅｄ駆動装置、照明装置、液晶表示装置
US8810156B2 (en) * 2011-10-04 2014-08-19 Texas Instruments Incorporated LED driver systems and methods
WO2014182857A1 (en) * 2013-05-10 2014-11-13 Marvell World Trade Ltd. Multi-string dimmable led driver
KR20150054512A (ko) * 2013-11-12 2015-05-20 삼성전자주식회사 디스플레이장치, 광원 구동장치 및 그 구동방법
WO2015193071A1 (en) 2014-06-17 2015-12-23 Koninklijke Philips N.V. Led lamp device having two or more light strings
US9538604B2 (en) * 2014-12-01 2017-01-03 Hubbell Incorporated Current splitter for LED lighting system
CN107231719B (zh) 2016-03-25 2018-12-14 华润矽威科技（上海）有限公司 Led驱动调光反馈控制电路

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0695112A1 (fr) * 1994-07-29 1996-01-31 Vibrachoc Circuit de montage de diodes électroluminescentes
CN101926224A (zh) * 2008-01-28 2010-12-22 Nxp股份有限公司 Led驱动器电路及方法、估计发光二极管结温的系统和方法
JP2010021008A (ja) * 2008-07-10 2010-01-28 Koizumi Lighting Technology Corp Ｌｅｄ照明装置
CN103348773A (zh) * 2011-01-28 2013-10-09 首尔半导体株式会社 Led发光装置及其驱动方法
CN103052207A (zh) * 2011-10-14 2013-04-17 欧司朗股份有限公司 用于驱动光源的电路、相关照明系统和驱动光源的方法
CN103582217A (zh) * 2012-07-31 2014-02-12 西安展芯微电子技术有限公司 一种电流纹波可控的led驱动电路
JP2014160574A (ja) * 2013-02-20 2014-09-04 Sanken Electric Co Ltd Ｌｅｄ駆動装置及びｌｅｄ照明装置
CN105191498A (zh) * 2013-05-03 2015-12-23 皇家飞利浦有限公司 Led照明电路
CN103617782A (zh) * 2013-12-04 2014-03-05 中航华东光电有限公司 一种led背光冗余备份电路及其控制方法
JP2017503351A (ja) * 2014-01-06 2017-01-26 フィリップス ライティング ホールディング ビー ヴィ リップルに基づく発光ダイオード駆動
CN104244513A (zh) * 2014-08-07 2014-12-24 矽力杰半导体技术(杭州)有限公司 一种多路led恒流驱动电路、驱动方法及led驱动电源
WO2016164928A1 (en) * 2015-04-09 2016-10-13 Lynk Labs, Inc. Low flicker ac driven led lighting system, drive method and apparatus
CN107683630A (zh) * 2015-04-23 2018-02-09 港大科桥有限公司 Ac‑dc单个电感器多个输出led驱动器
CN107094329A (zh) * 2017-05-03 2017-08-25 矽力杰半导体技术(杭州)有限公司 Led驱动电路

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LED汽车前照灯驱动电路设计与仿真;刘益宏;屠大维;;现代电子技术(第06期);全文 *
一种无电解电容的单级复合LED驱动电路;吴南冰;林维明;;电源学报(第01期);全文 *

Also Published As

Publication number Publication date
US20210282242A1 (en) 2021-09-09
EP3837926A1 (en) 2021-06-23
CN112567891A (zh) 2021-03-26
ES2970065T3 (es) 2024-05-24
JP7335324B2 (ja) 2023-08-29
US11291094B2 (en) 2022-03-29
WO2020035436A1 (en) 2020-02-20
JP2021535543A (ja) 2021-12-16
EP3837926B1 (en) 2023-11-15

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