ES2970065T3 - Circuito de accionamiento de LED - Google Patents

Circuito de accionamiento de LED Download PDF

Info

Publication number
ES2970065T3
ES2970065T3 ES19749754T ES19749754T ES2970065T3 ES 2970065 T3 ES2970065 T3 ES 2970065T3 ES 19749754 T ES19749754 T ES 19749754T ES 19749754 T ES19749754 T ES 19749754T ES 2970065 T3 ES2970065 T3 ES 2970065T3
Authority
ES
Spain
Prior art keywords
current
led
input current
led segment
segment
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
ES19749754T
Other languages
English (en)
Spanish (es)
Inventor
Liang Shi
Jie Fu
Gang Wang
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.)
Filing date
Publication date
Application filed by Signify Holding BV filed Critical Signify Holding BV
Application granted granted Critical
Publication of ES2970065T3 publication Critical patent/ES2970065T3/es
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]
    • H05B45/30—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)
ES19749754T 2018-08-17 2019-08-12 Circuito de accionamiento de LED Active ES2970065T3 (es)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
ES2970065T3 true ES2970065T3 (es) 2024-05-24

Family

ID=67544265

Family Applications (1)

Application Number Title Priority Date Filing Date
ES19749754T Active ES2970065T3 (es) 2018-08-17 2019-08-12 Circuito de accionamiento de LED

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)

Families Citing this family (2)

* 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

Family Cites Families (26)

* Cited by examiner, † Cited by third party
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FR2723286B1 (fr) * 1994-07-29 1996-09-13 Vibrachoc Sa Circuit de montage de diodes electroluminescentes
CA2540838C (en) 2003-10-03 2014-12-16 Thorn Bioscience, Llc Process for the synchronization of ovulation for timed breeding without heat detection
WO2009095854A2 (en) * 2008-01-28 2009-08-06 Nxp B.V. Led driver circuit and method, and system and method for estimating the junction temperature of a light emitting diode
JP2010021008A (ja) * 2008-07-10 2010-01-28 Koizumi Lighting Technology Corp Ｌｅｄ照明装置
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
KR20140024279A (ko) * 2011-01-28 2014-02-28 서울반도체 주식회사 Led발광장치 및 led발광장치를 구동하는 방법
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
EP2592907B1 (en) * 2011-10-14 2015-08-12 OSRAM GmbH A circuit for driving light sources, relative lighting system and method of driving light sources
CN103582217B (zh) * 2012-07-31 2015-07-29 西安展芯微电子技术股份有限公司 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
JP6396431B2 (ja) * 2013-05-03 2018-09-26 フィリップス ライティング ホールディング ビー ヴィ Ｌｅｄ照明回路
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
CN103617782B (zh) * 2013-12-04 2016-05-11 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
WO2015101559A2 (en) * 2014-01-06 2015-07-09 Koninklijke Philips N.V. Ripple based light emitting diode driving
WO2015193071A1 (en) 2014-06-17 2015-12-23 Koninklijke Philips N.V. Led lamp device having two or more light strings
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
US9538604B2 (en) * 2014-12-01 2017-01-03 Hubbell Incorporated Current splitter for LED lighting system
WO2016164928A1 (en) * 2015-04-09 2016-10-13 Lynk Labs, Inc. Low flicker ac driven led lighting system, drive method and apparatus
CN107683630B (zh) * 2015-04-23 2020-11-10 港大科桥有限公司 Ac-dc单个电感器多个输出led驱动器
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
CN107094329B (zh) * 2017-05-03 2019-01-29 矽力杰半导体技术(杭州)有限公司 Led驱动电路

Also Published As

Publication number Publication date
US20210282242A1 (en) 2021-09-09
EP3837926A1 (en) 2021-06-23
CN112567891A (zh) 2021-03-26
CN112567891B (zh) 2024-04-05
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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