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TWI370705B - Light source apparatus and driving apparatus thereof - Google Patents

Light source apparatus and driving apparatus thereof

Info

Publication number
TWI370705B
TWI370705B TW097124241A TW97124241A TWI370705B TW I370705 B TWI370705 B TW I370705B TW 097124241 A TW097124241 A TW 097124241A TW 97124241 A TW97124241 A TW 97124241A TW I370705 B TWI370705 B TW I370705B
Authority
TW
Taiwan
Prior art keywords
light source
driving
driving apparatus
source apparatus
light
Prior art date
Application number
TW097124241A
Other languages
English (en)
Other versions
TW200904254A (en
Inventor
Jui Feng Huang
Lung Pin Chung
Original Assignee
Ind Tech Res Inst
Upec Electronics Corp
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 Ind Tech Res Inst, Upec Electronics Corp filed Critical Ind Tech Res Inst
Priority to TW097124241A priority Critical patent/TWI370705B/zh
Publication of TW200904254A publication Critical patent/TW200904254A/zh
Application granted granted Critical
Publication of TWI370705B publication Critical patent/TWI370705B/zh

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]
    • H05B45/20—Controlling the colour of the light
    • H05B45/22—Controlling the colour of the light using optical 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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/12—Controlling the intensity of the light using optical 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
    • H05B45/32—Pulse-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]
    • H05B45/40—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
    • 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]
TW097124241A 2007-07-11 2008-06-27 Light source apparatus and driving apparatus thereof TWI370705B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW097124241A TWI370705B (en) 2007-07-11 2008-06-27 Light source apparatus and driving apparatus thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW96125235 2007-07-11
TW097124241A TWI370705B (en) 2007-07-11 2008-06-27 Light source apparatus and driving apparatus thereof

Publications (2)

Publication Number Publication Date
TW200904254A TW200904254A (en) 2009-01-16
TWI370705B true TWI370705B (en) 2012-08-11

Family

ID=40252538

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097124241A TWI370705B (en) 2007-07-11 2008-06-27 Light source apparatus and driving apparatus thereof

Country Status (3)

Country Link
US (1) US20090015174A1 (zh)
JP (1) JP2009021535A (zh)
TW (1) TWI370705B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104936332A (zh) * 2014-03-20 2015-09-23 东林科技股份有限公司 用于驱动发光二极管芯片的方法

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US7888888B2 (en) * 2007-07-11 2011-02-15 Industrial Technology Research Institute Light source apparatus and driving apparatus thereof
US8344629B2 (en) * 2007-08-02 2013-01-01 Nxp B.V. Electronic device having a plurality of light emitting devices
US8754585B1 (en) * 2007-11-30 2014-06-17 Farhad Bahrehmand LED driver and integrated dimmer and switch
US8344639B1 (en) 2008-11-26 2013-01-01 Farhad Bahrehmand Programmable LED driver
KR20090088041A (ko) * 2008-02-14 2009-08-19 삼성전자주식회사 백라이트 구동 장치 및 그것의 구동 방법
US8547321B2 (en) * 2008-07-23 2013-10-01 Apple Inc. LED backlight driver synchronization and power reduction
US20100123415A1 (en) * 2008-11-20 2010-05-20 Blazen Illuminations, Llc Emulating light emission systems
EP2422584B1 (en) 2009-04-21 2013-11-20 Koninklijke Philips N.V. System for driving a lamp
TWI409001B (zh) * 2009-05-12 2013-09-11 Top Victory Invest Ltd 適用於使用多根燈管的液晶顯示器之電源裝置
TW201111931A (en) * 2009-09-18 2011-04-01 Starchips Technology Inc Lighting apparatus and method for using the same
TWI422276B (zh) * 2009-09-30 2014-01-01 Lumens Digital Optics Inc 發光二極體光源的投影機電力控制方法
US8294375B2 (en) * 2009-10-08 2012-10-23 Intersil Americas Inc Adaptive PWM controller for multi-phase LED driver
EP2320711B1 (en) 2009-11-09 2020-09-16 Toshiba Lighting & Technology Corporation LED lighting device and illuminating device
DE102010002386A1 (de) * 2010-02-26 2011-09-01 Robert Bosch Gmbh Vorrichtung und Verfahren zur Ansteuerung von Leuchtdioden-Strängen
JP5633789B2 (ja) 2010-05-14 2014-12-03 東芝ライテック株式会社 直流電源装置およびｌｅｄ照明装置
CA2740631A1 (en) * 2010-05-20 2011-11-20 Rv Lighting Light emitting diode bulb
KR20120016494A (ko) 2010-08-16 2012-02-24 삼성전자주식회사 공용 전원공급장치 및 공용 전원공급방법, 그리고 이를 이용한 디스플레이 장치
CN102387629B (zh) * 2010-09-06 2015-07-29 奥斯兰姆有限公司 发光单元驱动电路和发光装置
CN102458014B (zh) * 2010-10-28 2014-08-20 英飞特电子（杭州）股份有限公司 光源控制方法、装置及系统
US9030121B2 (en) * 2010-11-23 2015-05-12 O2Micro, Inc. Circuits and methods for driving light sources
JP5337138B2 (ja) * 2010-12-10 2013-11-06 株式会社日立製作所 電源装置及びそれを用いたｌｅｄ照明器具、ハードディスク装置
JP5051861B1 (ja) * 2011-03-18 2012-10-17 株式会社ソディック 直管型発光ダイオード式照明灯
CN102438361B (zh) * 2011-10-11 2013-12-04 宁波市瑞通新材料科技有限公司 一种通过按键执行亮度调节的装置
CN103547014B (zh) * 2012-07-12 2016-07-20 全汉企业股份有限公司 关联于发光二极管灯管的负载驱动装置及其方法
JP5185468B1 (ja) * 2012-12-07 2013-04-17 トキコーポレーション株式会社 照明装置および制御回路
US20140327421A1 (en) * 2013-05-01 2014-11-06 Ricoh Company, Ltd. Switching regulator and method for controlling the switching regulator
CN105528998B (zh) * 2014-09-28 2019-07-26 联想(北京)有限公司 背景光驱动模块和电子设备
TWI630841B (zh) * 2017-04-12 2018-07-21 點晶科技股份有限公司 驅動電路及發光裝置
CN111972048B (zh) * 2018-02-13 2023-09-29 豪倍公司 照明系统的电压互感器
EP3968522A1 (en) * 2020-09-11 2022-03-16 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Electrical circuit
CN113950183A (zh) * 2021-09-16 2022-01-18 杭州博联智能科技股份有限公司 一种照明设备的同步控制方法和系统

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US7358679B2 (en) * 2002-05-09 2008-04-15 Philips Solid-State Lighting Solutions, Inc. Dimmable LED-based MR16 lighting apparatus and methods
JP4337731B2 (ja) * 2004-12-22 2009-09-30 ソニー株式会社 照明装置、及び画像表示装置
US7081722B1 (en) * 2005-02-04 2006-07-25 Kimlong Huynh Light emitting diode multiphase driver circuit and method
US7378805B2 (en) * 2005-03-22 2008-05-27 Fairchild Semiconductor Corporation Single-stage digital power converter for driving LEDs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104936332A (zh) * 2014-03-20 2015-09-23 东林科技股份有限公司 用于驱动发光二极管芯片的方法

Also Published As

Publication number Publication date
JP2009021535A (ja) 2009-01-29
TW200904254A (en) 2009-01-16
US20090015174A1 (en) 2009-01-15

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