CN103718648B - 具有减少的闪烁的led光源 - Google Patents

具有减少的闪烁的led光源 Download PDF

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Publication number
CN103718648B
CN103718648B CN201280038480.XA CN201280038480A CN103718648B CN 103718648 B CN103718648 B CN 103718648B CN 201280038480 A CN201280038480 A CN 201280038480A CN 103718648 B CN103718648 B CN 103718648B
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China
Prior art keywords
terminal
circuit
led
switch
light emitting
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Application number
CN201280038480.XA
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English (en)
Chinese (zh)
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CN103718648A (zh
Inventor
T·G·齐杰尔曼
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Signify Holding BV
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Koninklijke Philips Electronics NV
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Publication of CN103718648A publication Critical patent/CN103718648A/zh
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Publication of CN103718648B publication Critical patent/CN103718648B/zh
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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]
    • H05B45/20—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]
    • H05B45/40—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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
CN201280038480.XA 2011-08-08 2012-08-02 具有减少的闪烁的led光源 Active CN103718648B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161521061P 2011-08-08 2011-08-08
US61/521,061 2011-08-08
PCT/IB2012/053958 WO2013021320A1 (en) 2011-08-08 2012-08-02 Led light source with reduced flicker

Publications (2)

Publication Number Publication Date
CN103718648A CN103718648A (zh) 2014-04-09
CN103718648B true CN103718648B (zh) 2016-10-19

Family

ID=47046649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280038480.XA Active CN103718648B (zh) 2011-08-08 2012-08-02 具有减少的闪烁的led光源

Country Status (9)

Country Link
US (1) US9148924B2 (enExample)
EP (1) EP2742775B1 (enExample)
JP (1) JP6072793B2 (enExample)
CN (1) CN103718648B (enExample)
BR (1) BR112014002777A2 (enExample)
DK (1) DK2742775T3 (enExample)
ES (1) ES2708694T3 (enExample)
RU (1) RU2597326C2 (enExample)
WO (1) WO2013021320A1 (enExample)

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KR101267278B1 (ko) 2012-11-22 2013-05-27 이동원 변조지수가 개선된 엘이디 조명장치
US20140265885A1 (en) * 2013-03-12 2014-09-18 Cree, Inc. Multiple power outputs generated from a single current source
US9332605B2 (en) 2013-06-07 2016-05-03 Texas Instruments Incorporated Lighting system
DE102013107499A1 (de) * 2013-07-15 2015-01-15 RIVA GmbH Lighting Vorrichtung und Verfahren zum direkten Betreiben einer Mehrzahl von Leuchtdioden an einer pulsierenden Gleichspannung
DE112014005132B4 (de) 2013-12-06 2025-01-16 Cree Lighting USA LLC (n.d.Ges.d. Staates Delaware) Für gezielte spektrale energieverteilung eingerichtete festkörper-beleuchtungsvorrichtung und schaltkreise, die led-segmente einschliessen, und verfahren zum betreiben derselben
JP6207771B2 (ja) * 2014-05-30 2017-10-04 フィリップス ライティング ホールディング ビー ヴィ 電流源により給電されるｌｅｄ照明回路
CN105188183B (zh) * 2014-06-19 2018-08-10 欧司朗有限公司 一种照明装置
JP6493857B2 (ja) * 2015-03-09 2019-04-03 パナソニックＩｐマネジメント株式会社 点灯装置及び照明器具
EP3607804B1 (en) * 2017-04-05 2020-08-05 Signify Holding B.V. Led lighting driver and drive method
FR3066674B1 (fr) * 2017-05-19 2021-09-03 Valeo Vision Source de courant partagee par plusieurs emetteurs de lumiere
CN107959991B (zh) * 2017-10-23 2020-05-05 扬州艾笛森光电有限公司 一种调光驱动电路

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CN1802803A (zh) * 2003-06-10 2006-07-12 皇家飞利浦电子股份有限公司 用于照明和数据传输的led系统
US20060261752A1 (en) * 2005-05-18 2006-11-23 Samsung Electro-Mechanics Co., Ltd. DC-DC converter having protective function of over-voltage and over-current and led driving circuit using the same
WO2009013676A2 (en) * 2007-07-23 2009-01-29 Nxp B.V. Led arrangement with bypass driving

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JP2004327152A (ja) * 2003-04-23 2004-11-18 Toshiba Lighting & Technology Corp Ｌｅｄ点灯装置およびｌｅｄ照明器具
US20060273331A1 (en) 2005-06-07 2006-12-07 Lim Kevin Len L Two-terminal LED device with tunable color
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JP5256623B2 (ja) * 2007-02-28 2013-08-07 東芝ライテック株式会社 照明装置
US7560677B2 (en) * 2007-03-13 2009-07-14 Renaissance Lighting, Inc. Step-wise intensity control of a solid state lighting system
US8203260B2 (en) * 2007-04-13 2012-06-19 Intematix Corporation Color temperature tunable white light source
US7531971B2 (en) * 2007-05-14 2009-05-12 Tpo Displays Corp. Backlight units and display devices
JP2009004483A (ja) * 2007-06-20 2009-01-08 Sharp Corp 発光ダイオード駆動回路
WO2009013675A1 (en) * 2007-07-23 2009-01-29 Nxp B.V. Self-powered led bypass-switch configuration
CN101803455B (zh) * 2007-08-06 2012-03-28 Nxp股份有限公司 固态发光系统和用于驱动发光半导体器件的驱动器集成电路
WO2009072058A2 (en) 2007-12-07 2009-06-11 Koninklijke Philips Electronics N.V. Led lamp power management system and method
US20090295300A1 (en) * 2008-02-08 2009-12-03 Purespectrum, Inc Methods and apparatus for a dimmable ballast for use with led based light sources
JP4511634B1 (ja) * 2010-03-05 2010-07-28 キヤノン・コンポーネンツ株式会社 画像読取装置における白色発光装置およびそれを用いたライン状照明装置
US7986102B2 (en) 2008-09-12 2011-07-26 General Electric Company Adjustable color solid state lighting
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US8421369B2 (en) * 2008-10-28 2013-04-16 Samsung Electro-Mechanics Co., Ltd. Light emitting diode having protection function
US7986107B2 (en) * 2008-11-06 2011-07-26 Lumenetix, Inc. Electrical circuit for driving LEDs in dissimilar color string lengths
US8324820B2 (en) * 2008-11-24 2012-12-04 Jlj, Inc. Capacitor shunted LED light string
US10264637B2 (en) 2009-09-24 2019-04-16 Cree, Inc. Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof
JP5513829B2 (ja) * 2009-10-01 2014-06-04 パナソニック株式会社 電流駆動回路
CN102076141A (zh) * 2009-11-21 2011-05-25 佛山市顺德区汉达精密电子科技有限公司 发光二极管驱动电路
RU103991U1 (ru) * 2010-11-15 2011-04-27 Общество с ограниченной ответственностью "Силовая электроника" Источник питания для светодиодной матрицы

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000259993A (ja) * 1999-03-08 2000-09-22 Nippon Signal Co Ltd:The Ｌｅｄ灯器信号装置
CN1802803A (zh) * 2003-06-10 2006-07-12 皇家飞利浦电子股份有限公司 用于照明和数据传输的led系统
US20060261752A1 (en) * 2005-05-18 2006-11-23 Samsung Electro-Mechanics Co., Ltd. DC-DC converter having protective function of over-voltage and over-current and led driving circuit using the same
WO2009013676A2 (en) * 2007-07-23 2009-01-29 Nxp B.V. Led arrangement with bypass driving

Also Published As

Publication number Publication date
CN103718648A (zh) 2014-04-09
BR112014002777A2 (pt) 2017-02-21
EP2742775B1 (en) 2018-11-28
ES2708694T3 (es) 2019-04-10
US9148924B2 (en) 2015-09-29
US20140210367A1 (en) 2014-07-31
JP2014527719A (ja) 2014-10-16
JP6072793B2 (ja) 2017-02-01
RU2014108990A (ru) 2015-09-20
EP2742775A1 (en) 2014-06-18
RU2597326C2 (ru) 2016-09-10
DK2742775T3 (en) 2019-02-18
WO2013021320A1 (en) 2013-02-14

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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

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Eindhoven

Patentee after: Signify Holdings Ltd.

Address before: The city of Eindhoven in Holland

Patentee before: PHILIPS LIGHTING HOLDING B.V.