CN103621182B - Led光源 - Google Patents

Led光源 Download PDF

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Publication number
CN103621182B
CN103621182B CN201280028344.2A CN201280028344A CN103621182B CN 103621182 B CN103621182 B CN 103621182B CN 201280028344 A CN201280028344 A CN 201280028344A CN 103621182 B CN103621182 B CN 103621182B
Authority
CN
China
Prior art keywords
current
control
voltage
led
string
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.)
Expired - Fee Related
Application number
CN201280028344.2A
Other languages
English (en)
Chinese (zh)
Other versions
CN103621182A (zh
Inventor
陶海敏
H·M·J·M·卡尔曼
P·G·布兰肯
R·库尔特
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips 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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN103621182A publication Critical patent/CN103621182A/zh
Application granted granted Critical
Publication of CN103621182B publication Critical patent/CN103621182B/zh
Expired - Fee Related 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
    • H05B45/31—Phase-control circuits
    • 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
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
    • H05B45/3575—Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers
    • 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
    • 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
    • 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

  • Circuit Arrangement For Electric Light Sources In General (AREA)
CN201280028344.2A 2011-06-10 2012-05-30 Led光源 Expired - Fee Related CN103621182B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11169498 2011-06-10
EP11169498.0 2011-06-10
PCT/IB2012/052687 WO2012168827A2 (en) 2011-06-10 2012-05-30 Led light source

Publications (2)

Publication Number Publication Date
CN103621182A CN103621182A (zh) 2014-03-05
CN103621182B true CN103621182B (zh) 2016-06-08

Family

ID=44720440

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201280028344.2A Expired - Fee Related CN103621182B (zh) 2011-06-10 2012-05-30 Led光源
CN201280028347.6A Active CN103621183B (zh) 2011-06-10 2012-06-04 Led光源

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201280028347.6A Active CN103621183B (zh) 2011-06-10 2012-06-04 Led光源

Country Status (7)

Country Link
US (3) US20140375223A1 (enExample)
EP (3) EP2719255A2 (enExample)
JP (2) JP6133279B2 (enExample)
CN (2) CN103621182B (enExample)
BR (1) BR112013031263A2 (enExample)
RU (1) RU2597214C2 (enExample)
WO (3) WO2012168827A2 (enExample)

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US11910502B2 (en) 2019-10-24 2024-02-20 Signify Holding B.V. LED driver for LED lighting systems for replacing a high-intensity discharge lamp

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CN107027213B (zh) * 2017-03-06 2018-11-30 广东德洛斯照明工业有限公司 一种智能恒定亮度输出控制方法
CN107342059B (zh) * 2017-08-31 2019-07-23 京东方科技集团股份有限公司 一种电流控制电路及控制方法、背光模组、显示装置
US10582598B1 (en) * 2017-11-02 2020-03-03 Katerra Inc. Light emitting diode activation control
US11071178B2 (en) 2018-07-16 2021-07-20 Jiaxing Super Lighting Electric Appliance Co., Ltd. LED lighting system, apparatus, and dimming method
US11191136B2 (en) 2018-07-16 2021-11-30 Jiaxing Super Lighting Electric Appliance Co., Ltd. LED lighting system, apparatus, and dimming method
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US11109455B2 (en) 2018-12-07 2021-08-31 Hubbell Incorporated Automatic trimming for a dimmer switch
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US12452976B2 (en) 2021-12-01 2025-10-21 Renesas Design (UK) Limited Light source driver
CN120917871A (zh) 2023-04-07 2025-11-07 昕诺飞控股有限公司 分接线性led驱动装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11910502B2 (en) 2019-10-24 2024-02-20 Signify Holding B.V. LED driver for LED lighting systems for replacing a high-intensity discharge lamp

Also Published As

Publication number Publication date
BR112013031263A2 (pt) 2017-04-25
CN103621183A (zh) 2014-03-05
EP2719255A2 (en) 2014-04-16
JP2014519688A (ja) 2014-08-14
WO2012168844A2 (en) 2012-12-13
US9210757B2 (en) 2015-12-08
EP2719254A2 (en) 2014-04-16
US20140103823A1 (en) 2014-04-17
WO2012168828A3 (en) 2013-06-27
JP6133279B2 (ja) 2017-05-24
EP2719256A2 (en) 2014-04-16
US9357607B2 (en) 2016-05-31
RU2597214C2 (ru) 2016-09-10
WO2012168827A3 (en) 2013-05-30
US20140375223A1 (en) 2014-12-25
RU2014100176A (ru) 2015-07-20
CN103621182A (zh) 2014-03-05
JP2014519687A (ja) 2014-08-14
JP6138769B2 (ja) 2017-05-31
WO2012168844A3 (en) 2013-06-20
CN103621183B (zh) 2017-03-22
WO2012168828A2 (en) 2012-12-13
US20140103825A1 (en) 2014-04-17
WO2012168827A2 (en) 2012-12-13

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Effective date of registration: 20170310

Address after: The city of Eindhoven in Holland

Patentee after: KONINKL PHILIPS NV

Address before: The city of Eindhoven in Holland

Patentee before: Koninkl Philips Electronics NV

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160608

Termination date: 20190530