TW201230874A - Method and device for driving an LED string - Google Patents

Method and device for driving an LED string Download PDF

Info

Publication number
TW201230874A
TW201230874A TW100139843A TW100139843A TW201230874A TW 201230874 A TW201230874 A TW 201230874A TW 100139843 A TW100139843 A TW 100139843A TW 100139843 A TW100139843 A TW 100139843A TW 201230874 A TW201230874 A TW 201230874A
Authority
TW
Taiwan
Prior art keywords
led
segment
led segment
light
color temperature
Prior art date
Application number
TW100139843A
Other languages
English (en)
Chinese (zh)
Inventor
Martinus Petrus Creusen
Ralph Kurt
Hai-Min Tao
Carsten Deppe
Georg Sauerlaender
Peter Hubertus Franciscus Deurenberg
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of TW201230874A publication Critical patent/TW201230874A/zh

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40Details of LED load circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20Controlling the colour of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20Controlling the colour of the light
    • H05B45/24Controlling the colour of the light using electrical feedback from LEDs or from LED modules
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/395Linear regulators
    • H05B45/397Current mirror circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40Details of LED load circuits
    • H05B45/44Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0666Adjustment of display parameters for control of colour parameters, e.g. colour temperature
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B44/00Circuit arrangements for operating electroluminescent light sources
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
TW100139843A 2010-11-02 2011-11-01 Method and device for driving an LED string TW201230874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10189656 2010-11-02

Publications (1)

Publication Number Publication Date
TW201230874A true TW201230874A (en) 2012-07-16

Family

ID=44925601

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100139843A TW201230874A (en) 2010-11-02 2011-11-01 Method and device for driving an LED string

Country Status (8)

Country Link
US (1) US20130221861A1 (cg-RX-API-DMAC7.html)
EP (1) EP2636281A1 (cg-RX-API-DMAC7.html)
JP (1) JP6087828B2 (cg-RX-API-DMAC7.html)
CN (1) CN103314640B (cg-RX-API-DMAC7.html)
BR (1) BR112013010478A8 (cg-RX-API-DMAC7.html)
RU (1) RU2625332C2 (cg-RX-API-DMAC7.html)
TW (1) TW201230874A (cg-RX-API-DMAC7.html)
WO (1) WO2012059838A1 (cg-RX-API-DMAC7.html)

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TWI624192B (zh) * 2013-09-29 2018-05-11 矽力杰半導體技術(杭州)有限公司 Led驅動電路

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AU2012100032B4 (en) * 2011-12-22 2012-03-08 Ozuno Holdings Limited LED lamp with current dependent colour temperature
US9236705B2 (en) * 2012-04-23 2016-01-12 Koninklijke Philips N.V. Separately controllable array of radiation elements
KR102223046B1 (ko) * 2014-02-25 2021-03-04 엘지이노텍 주식회사 발광소자 구동 모듈
TW201538030A (zh) 2014-03-26 2015-10-01 Prolight Opto Technology Corp 可調光的交流發光二極體裝置
DE102014005584B4 (de) * 2014-04-15 2015-11-12 Diehl Aerospace Gmbh LED-Beleuchtungsvorichtung mit einem Energiespeichermodul sowie Verfahren zum Betreiben der LED-Beleuchtungsvorrichtung
WO2015165925A1 (en) * 2014-04-30 2015-11-05 Koninklijke Philips N.V. Led circuit, a lighting arrangement and an led driving method
CN104949003A (zh) * 2015-06-04 2015-09-30 浙江生辉照明有限公司 电力载波变色温隧道灯及其控制方法
US9668307B2 (en) 2015-07-27 2017-05-30 GE Lighting Solutions, LLC Warm dimming for an LED light source
RU168568U1 (ru) * 2015-09-21 2017-02-09 Закрытое акционерное общество "ГРУППА КРЕМНИЙ ЭЛ" Драйвер светодиодных ламп с резистивной вольт-амперной характеристикой
KR20170098494A (ko) * 2016-02-22 2017-08-30 주식회사 루멘스 조명 장치
CN109716862B (zh) * 2016-04-27 2021-03-12 亮锐控股有限公司 用于led的调暗变暖控制器
RU168349U1 (ru) * 2016-08-04 2017-01-30 Юрий Борисович Соколов Мощный светодиодный осветитель, управляемый контроллером
US10123386B1 (en) 2017-09-08 2018-11-06 Samsung Electronics Co., Ltd. Lighting apparatus
US10362654B2 (en) 2017-09-08 2019-07-23 Samsung Electronics Co., Ltd. Lighting apparatus
US10499471B2 (en) 2018-04-13 2019-12-03 Samsung Electronics Co., Ltd. Light-emitting diode lighting module and lighting apparatus including the same
WO2021018812A1 (en) * 2019-08-01 2021-02-04 Signify Holding B.V. A controller for controlling properties of light
JP7637063B2 (ja) 2019-12-02 2025-02-27 日鉄マイクロメタル株式会社 半導体装置用銅ボンディングワイヤ及び半導体装置
RU205192U1 (ru) * 2021-04-24 2021-07-01 Евгений Николаевич Коптяев Блок питания светодиодного светильника

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US7317403B2 (en) * 2005-08-26 2008-01-08 Philips Lumileds Lighting Company, Llc LED light source for backlighting with integrated electronics
KR100985860B1 (ko) * 2005-11-08 2010-10-08 삼성전자주식회사 발광장치 및 그 제어방법
US7710050B2 (en) * 2005-11-17 2010-05-04 Magna International Inc Series connected power supply for semiconductor-based vehicle lighting systems
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WO2007093938A1 (en) * 2006-02-14 2007-08-23 Koninklijke Philips Electronics N.V. Current driving of leds
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI624192B (zh) * 2013-09-29 2018-05-11 矽力杰半導體技術(杭州)有限公司 Led驅動電路

Also Published As

Publication number Publication date
WO2012059838A1 (en) 2012-05-10
JP6087828B2 (ja) 2017-03-01
RU2625332C2 (ru) 2017-07-13
JP2013545238A (ja) 2013-12-19
CN103314640A (zh) 2013-09-18
US20130221861A1 (en) 2013-08-29
BR112013010478A8 (pt) 2016-09-13
RU2013125518A (ru) 2014-12-10
CN103314640B (zh) 2016-11-16
EP2636281A1 (en) 2013-09-11
BR112013010478A2 (pt) 2016-08-02

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