CN105247957B - 用于改进led灯具的性能和一致性的电流反馈 - Google Patents
用于改进led灯具的性能和一致性的电流反馈 Download PDFInfo
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- CN105247957B CN105247957B CN201480027456.5A CN201480027456A CN105247957B CN 105247957 B CN105247957 B CN 105247957B CN 201480027456 A CN201480027456 A CN 201480027456A CN 105247957 B CN105247957 B CN 105247957B
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- led
- current
- signal
- voltage
- power converter
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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]
- H05B45/10—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
- H05B45/18—Controlling the intensity of the light using temperature feedback
-
- 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback 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
- H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
-
- 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
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361783714P | 2013-03-14 | 2013-03-14 | |
US61/783,714 | 2013-03-14 | ||
PCT/IB2014/059450 WO2014141002A1 (en) | 2013-03-14 | 2014-03-05 | Current feedback for improving performance and consistency of led fixtures |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105247957A CN105247957A (zh) | 2016-01-13 |
CN105247957B true CN105247957B (zh) | 2017-08-25 |
Family
ID=50336373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480027456.5A Expired - Fee Related CN105247957B (zh) | 2013-03-14 | 2014-03-05 | 用于改进led灯具的性能和一致性的电流反馈 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9894725B2 (zh) |
EP (1) | EP2974537A1 (zh) |
CN (1) | CN105247957B (zh) |
WO (1) | WO2014141002A1 (zh) |
Families Citing this family (21)
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KR101334042B1 (ko) * | 2012-11-30 | 2013-11-28 | 주식회사 실리콘웍스 | Led 조명 장치 및 그의 전류 레귤레이터와 전류 레귤레이팅 방법 |
WO2015195187A1 (en) * | 2014-06-17 | 2015-12-23 | Bae Systems Controls Inc. | Ac driven led light with digital control of color and intensity |
CN104066246B (zh) * | 2014-06-24 | 2017-01-04 | 成都芯源系统有限公司 | 发光元件驱动方法和发光元件驱动器及其控制器 |
EP3238506B1 (de) * | 2014-12-22 | 2020-03-04 | Tridonic GmbH & Co. KG | Verfahren und vorrichtungen zur kommunikation zwischen led-modul und led-konverter |
CN105811752B (zh) * | 2014-12-31 | 2018-08-31 | 无锡安特源科技有限公司 | 一种可调节输出电压的恒压驱动设备 |
JP6605829B2 (ja) * | 2015-03-31 | 2019-11-13 | ルネサスエレクトロニクス株式会社 | Led点灯装置、led照明装置 |
JP6391856B2 (ja) * | 2015-06-25 | 2018-09-19 | フィリップス ライティング ホールディング ビー ヴィ | Led照明モジュール |
US9723691B2 (en) * | 2015-10-14 | 2017-08-01 | The Watt Stopper, Inc. | Methods and devices for auto-calibrating light dimmers |
ITUB20159597A1 (it) * | 2015-12-23 | 2017-06-23 | St Microelectronics Srl | Dispositivo integrato e metodo di pilotaggio di carichi di illuminazione con compensazione di luminosita' |
US10028354B2 (en) * | 2016-02-19 | 2018-07-17 | Spx Corporation | Lighting status signaling system and method |
US10260940B2 (en) * | 2016-03-11 | 2019-04-16 | Apple Inc. | Light source driving circuitry for electronic devices |
US9763305B1 (en) * | 2016-04-15 | 2017-09-12 | Infineon Technologies Austria Ag | Temperature protection circuit for light-emitting diodes |
CA2983266A1 (en) * | 2016-10-19 | 2018-04-19 | Media Graph Depot Inc. | Signal-preserving power booster and related method |
US10624979B2 (en) * | 2017-06-26 | 2020-04-21 | The Boeing Company | Systems and methods for operating a light system |
US10638565B2 (en) * | 2017-12-10 | 2020-04-28 | Fluence Bioengineering, Inc. | Systems and methods for voltage interfaces between legacy control systems and light sources |
US20190289693A1 (en) * | 2018-03-14 | 2019-09-19 | Honeywell International Inc. | Automatic handling of lamp load on do channel |
TWI657719B (zh) * | 2018-04-09 | 2019-04-21 | 國立高雄科技大學 | 脈衝式可調節頻率系統 |
TWI669985B (zh) * | 2018-10-12 | 2019-08-21 | 力林科技股份有限公司 | 發光二極體驅動裝置以及發光二極體背光模組 |
CN110225615B (zh) * | 2019-05-31 | 2021-06-25 | 惠州华阳通用智慧车载系统开发有限公司 | 一种led背景灯亮度一致性调节方法及装置 |
CN113645732B (zh) * | 2020-05-11 | 2024-02-09 | 安沛科技股份有限公司 | 一种多组发光二极管灯串的控制电路及控制方法 |
US11297775B1 (en) | 2021-07-22 | 2022-04-12 | Boulder Lamp, Inc. | LED grow light system with time varying light intensity |
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US6091614A (en) * | 1997-12-17 | 2000-07-18 | Ecolux Inc. | Voltage booster for enabling the power factor controller of a LED lamp upon low ac or dc supply |
CN101010649A (zh) * | 2004-06-30 | 2007-08-01 | Tir系统有限公司 | 开关恒定电流驱动和控制电路 |
US7609008B1 (en) * | 2008-06-06 | 2009-10-27 | Mdl Corporation | Method and circuit for controlling an LED |
CN101960922A (zh) * | 2008-03-24 | 2011-01-26 | 东芝照明技术株式会社 | 电源装置及照明器具 |
CN102202445A (zh) * | 2010-03-23 | 2011-09-28 | 夏普株式会社 | Led驱动电路、led照明用具、led照明装置和led照明系统 |
CN102427633A (zh) * | 2010-08-16 | 2012-04-25 | 凹凸电子(武汉)有限公司 | 给光源供电的电路和方法 |
TW201304597A (zh) * | 2011-07-08 | 2013-01-16 | Ind Tech Res Inst | 發光二極體驅動電路 |
WO2013014607A1 (en) * | 2011-07-25 | 2013-01-31 | Koninklijke Philips Electronics N.V. | System and method for implementing mains-signal-based dimming of a solid state lighting module |
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US6441558B1 (en) * | 2000-12-07 | 2002-08-27 | Koninklijke Philips Electronics N.V. | White LED luminary light control system |
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CN101686587B (zh) | 2008-09-25 | 2015-01-28 | 皇家飞利浦电子股份有限公司 | 用于向led阵列提供可变功率的驱动器 |
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CN102364991B (zh) * | 2011-02-01 | 2012-10-24 | 杭州士兰微电子股份有限公司 | 一种原边控制led恒流驱动开关电源控制器及其方法 |
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-
2014
- 2014-03-05 WO PCT/IB2014/059450 patent/WO2014141002A1/en active Application Filing
- 2014-03-05 US US14/775,737 patent/US9894725B2/en not_active Expired - Fee Related
- 2014-03-05 EP EP14711318.7A patent/EP2974537A1/en not_active Withdrawn
- 2014-03-05 CN CN201480027456.5A patent/CN105247957B/zh not_active Expired - Fee Related
Patent Citations (8)
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US6091614A (en) * | 1997-12-17 | 2000-07-18 | Ecolux Inc. | Voltage booster for enabling the power factor controller of a LED lamp upon low ac or dc supply |
CN101010649A (zh) * | 2004-06-30 | 2007-08-01 | Tir系统有限公司 | 开关恒定电流驱动和控制电路 |
CN101960922A (zh) * | 2008-03-24 | 2011-01-26 | 东芝照明技术株式会社 | 电源装置及照明器具 |
US7609008B1 (en) * | 2008-06-06 | 2009-10-27 | Mdl Corporation | Method and circuit for controlling an LED |
CN102202445A (zh) * | 2010-03-23 | 2011-09-28 | 夏普株式会社 | Led驱动电路、led照明用具、led照明装置和led照明系统 |
CN102427633A (zh) * | 2010-08-16 | 2012-04-25 | 凹凸电子(武汉)有限公司 | 给光源供电的电路和方法 |
TW201304597A (zh) * | 2011-07-08 | 2013-01-16 | Ind Tech Res Inst | 發光二極體驅動電路 |
WO2013014607A1 (en) * | 2011-07-25 | 2013-01-31 | Koninklijke Philips Electronics N.V. | System and method for implementing mains-signal-based dimming of a solid state lighting module |
Also Published As
Publication number | Publication date |
---|---|
US9894725B2 (en) | 2018-02-13 |
EP2974537A1 (en) | 2016-01-20 |
US20160029455A1 (en) | 2016-01-28 |
WO2014141002A1 (en) | 2014-09-18 |
CN105247957A (zh) | 2016-01-13 |
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