JP7335324B2 - Ｌｅｄ駆動回路 - Google Patents

Ｌｅｄ駆動回路 Download PDF

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Publication number
JP7335324B2
JP7335324B2 JP2021506968A JP2021506968A JP7335324B2 JP 7335324 B2 JP7335324 B2 JP 7335324B2 JP 2021506968 A JP2021506968 A JP 2021506968A JP 2021506968 A JP2021506968 A JP 2021506968A JP 7335324 B2 JP7335324 B2 JP 7335324B2
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Japan
Prior art keywords
current
led
input current
switch
circuit
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JP2021506968A
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English (en)
Japanese (ja)
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JP2021535543A5 (enExample
JP2021535543A (ja
Inventor
リャン シー
ジェ フー
ガン ワン
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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
    • H05B45/36—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

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
JP2021506968A 2018-08-17 2019-08-12 Ｌｅｄ駆動回路 Active JP7335324B2 (ja)

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 (3)

Publication Number Publication Date
JP2021535543A JP2021535543A (ja) 2021-12-16
JP2021535543A5 JP2021535543A5 (enExample) 2022-08-30
JP7335324B2 true JP7335324B2 (ja) 2023-08-29

Family

ID=67544265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021506968A Active JP7335324B2 (ja) 2018-08-17 2019-08-12 Ｌｅｄ駆動回路

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)

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

Citations (7)

* 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
JP2014160574A (ja) 2013-02-20 2014-09-04 Sanken Electric Co Ltd Ｌｅｄ駆動装置及びｌｅｄ照明装置
US20150130861A1 (en) 2013-11-12 2015-05-14 Samsung Electronics Co., Ltd. Driving apparatus, display apparatus, light source driving apparatus and driving method thereof
US20160157318A1 (en) 2014-12-01 2016-06-02 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
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

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Publication number Priority date Publication date Assignee Title
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
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
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
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
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

Patent Citations (7)

* 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
JP2014160574A (ja) 2013-02-20 2014-09-04 Sanken Electric Co Ltd Ｌｅｄ駆動装置及びｌｅｄ照明装置
US20150130861A1 (en) 2013-11-12 2015-05-14 Samsung Electronics Co., Ltd. Driving apparatus, display apparatus, light source driving apparatus and driving method thereof
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
US20160157318A1 (en) 2014-12-01 2016-06-02 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
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

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
ES2970065T3 (es) 2024-05-24
US11291094B2 (en) 2022-03-29
WO2020035436A1 (en) 2020-02-20
JP2021535543A (ja) 2021-12-16
EP3837926B1 (en) 2023-11-15

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