CN102318440B - 多led控制 - Google Patents
多led控制 Download PDFInfo
- Publication number
- CN102318440B CN102318440B CN200880104017.4A CN200880104017A CN102318440B CN 102318440 B CN102318440 B CN 102318440B CN 200880104017 A CN200880104017 A CN 200880104017A CN 102318440 B CN102318440 B CN 102318440B
- Authority
- CN
- China
- Prior art keywords
- led
- switch
- control
- duty ratio
- driver
- 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.)
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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]
- H05B45/40—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
-
- 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]
-
- 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]
Landscapes
- Led Devices (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
Description
Claims (26)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US95775307P | 2007-08-24 | 2007-08-24 | |
US60/957,753 | 2007-08-24 | ||
PCT/US2008/074133 WO2009029553A2 (en) | 2007-08-24 | 2008-08-23 | Multi-led control |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102318440A CN102318440A (zh) | 2012-01-11 |
CN102318440B true CN102318440B (zh) | 2015-09-09 |
Family
ID=40120135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880104017.4A Active CN102318440B (zh) | 2007-08-24 | 2008-08-23 | 多led控制 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8587217B2 (zh) |
EP (1) | EP2181566A2 (zh) |
CN (1) | CN102318440B (zh) |
WO (1) | WO2009029553A2 (zh) |
Cited By (1)
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---|---|---|---|---|
CN106068046A (zh) * | 2016-04-27 | 2016-11-02 | 佛山市锐霸电子有限公司 | 多路光源调节电路 |
Families Citing this family (52)
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KR101394435B1 (ko) * | 2007-09-28 | 2014-05-14 | 삼성디스플레이 주식회사 | 백라이트 드라이버 및 이를 포함하는 액정 표시 장치 |
TWI459858B (zh) | 2008-06-24 | 2014-11-01 | Eldolab Holding Bv | 照明系統及發光二極體組件之控制單元 |
US9801243B2 (en) * | 2008-11-13 | 2017-10-24 | Philips Lighting Holding B.V. | Lighting system with a plurality of LEDs |
EP3190862B1 (en) * | 2009-05-04 | 2019-07-03 | eldoLAB Holding B.V. | Control unit for a led assembly and lighting system |
US9351365B2 (en) | 2009-08-18 | 2016-05-24 | Eldolab Holding B.V. | Control unit for LED assembly and lighting system |
DE102010003244A1 (de) * | 2010-03-25 | 2011-09-29 | Osram Gesellschaft mit beschränkter Haftung | Verfahren und Schaltungsanordnung zum Betreiben einer Vielzahl von Leds |
EP2384089B1 (en) * | 2010-04-21 | 2015-08-19 | OSRAM GmbH | Device for controlling power supplied towards light sources and related method |
US9173261B2 (en) | 2010-07-30 | 2015-10-27 | Wesley L. Mokry | Secondary-side alternating energy transfer control with inverted reference and LED-derived power supply |
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US9273858B2 (en) | 2012-12-13 | 2016-03-01 | Phillips International, B.V. | Systems and methods for low-power lamp compatibility with a leading-edge dimmer and an electronic transformer |
US10231300B2 (en) | 2013-01-15 | 2019-03-12 | Cree, Inc. | Systems and methods for controlling solid state lighting during dimming and lighting apparatus incorporating such systems and/or methods |
US8896229B2 (en) * | 2013-03-13 | 2014-11-25 | Cree, Inc. | Lighting apparatus and methods using switched energy storage |
US9263964B1 (en) | 2013-03-14 | 2016-02-16 | Philips International, B.V. | Systems and methods for low-power lamp compatibility with an electronic transformer |
US8947003B2 (en) * | 2013-03-28 | 2015-02-03 | Flextronics Automotive Inc. | Circuit and method for independent control of series connected light emitting diodes |
DE102013207569A1 (de) * | 2013-04-25 | 2014-11-13 | Zumtobel Lighting Gmbh | Steuerung von Leuchtmitteln innerhalb einer Stromschleife |
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DE102015003000B4 (de) * | 2015-03-07 | 2022-08-18 | Audi Ag | Fernsteuerbare Zweipol-Beleuchtungsvorrichtung |
DE102015003001B4 (de) * | 2015-03-07 | 2022-07-14 | Audi Ag | Fernsteuern einer Zweipol-Beleuchtungsvorrichtung |
RU2711235C2 (ru) * | 2015-03-26 | 2020-01-15 | Филипс Лайтинг Холдинг Б.В. | Схема возбудителя светоизлучающих диодов, осветительное устройство и способ возбуждения |
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CN107863064A (zh) * | 2017-12-22 | 2018-03-30 | 重庆秉为科技有限公司 | 一种led显示屏节能驱动电路系统 |
WO2019128884A1 (zh) * | 2017-12-29 | 2019-07-04 | 苏州欧普照明有限公司 | 组合灯具的控制方法及照明系统 |
US11233449B2 (en) * | 2018-02-27 | 2022-01-25 | Lumileds Llc | Tapped single-stage buck converter LED driver |
US11246203B2 (en) | 2018-02-27 | 2022-02-08 | Lumileds Llc | Tapped single-stage buck converter LED driver |
DE102018115676A1 (de) * | 2018-06-28 | 2020-01-02 | Tridonic Gmbh & Co Kg | Anordnung mit einer Leuchte, insbesondere Notleuchte, mit Farbtemperaturwechsel in einem batteriegestützten Betriebsmodus |
EP3850910B1 (en) * | 2018-09-11 | 2022-11-09 | Signify Holding B.V. | A led lighting circuit and a lighting device comprising the same |
CN109121258A (zh) * | 2018-10-12 | 2019-01-01 | 青岛亿联客信息技术有限公司 | 一种调光方法与调光装置 |
CN110191539B (zh) * | 2019-06-10 | 2021-09-07 | 酷矽半导体科技(上海)有限公司 | 驱动电路、驱动芯片及显示系统、显示方法 |
CN110493917A (zh) * | 2019-08-24 | 2019-11-22 | 浙江雷培德科技有限公司 | 一种用于led植物补光灯的多路输出控制电路及方法 |
DE102020205960B4 (de) * | 2020-04-01 | 2021-12-09 | OSRAM CONTINENTAL GmbH | Schaltungsanordnung für ein led-matrix-licht |
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EP1589519A2 (en) * | 2004-04-20 | 2005-10-26 | Sony Corporation | Constant current driving device, backlight light source device, and color liquid crystal display device |
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2008
- 2008-08-23 US US12/675,035 patent/US8587217B2/en active Active
- 2008-08-23 WO PCT/US2008/074133 patent/WO2009029553A2/en active Application Filing
- 2008-08-23 EP EP08798569A patent/EP2181566A2/en not_active Withdrawn
- 2008-08-23 CN CN200880104017.4A patent/CN102318440B/zh active Active
Patent Citations (1)
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EP1589519A2 (en) * | 2004-04-20 | 2005-10-26 | Sony Corporation | Constant current driving device, backlight light source device, and color liquid crystal display device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106068046A (zh) * | 2016-04-27 | 2016-11-02 | 佛山市锐霸电子有限公司 | 多路光源调节电路 |
Also Published As
Publication number | Publication date |
---|---|
US20110210674A1 (en) | 2011-09-01 |
US8587217B2 (en) | 2013-11-19 |
CN102318440A (zh) | 2012-01-11 |
EP2181566A2 (en) | 2010-05-05 |
WO2009029553A3 (en) | 2009-06-25 |
WO2009029553A2 (en) | 2009-03-05 |
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