JP4818738B2 - 発光ダイオード駆動装置 - Google Patents

発光ダイオード駆動装置 Download PDF

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Publication number
JP4818738B2
JP4818738B2 JP2006012603A JP2006012603A JP4818738B2 JP 4818738 B2 JP4818738 B2 JP 4818738B2 JP 2006012603 A JP2006012603 A JP 2006012603A JP 2006012603 A JP2006012603 A JP 2006012603A JP 4818738 B2 JP4818738 B2 JP 4818738B2
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JP
Japan
Prior art keywords
voltage
emitting diode
light emitting
circuit
switching element
Prior art date
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Expired - Fee Related
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JP2006012603A
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English (en)
Japanese (ja)
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JP2007194478A5 (cg-RX-API-DMAC7.html
JP2007194478A (ja
Inventor
崇 國松
竜太郎 荒川
佳明 八谷
穣 福井
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Filing date
Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2006012603A priority Critical patent/JP4818738B2/ja
Priority to US11/623,363 priority patent/US7638954B2/en
Priority to CNA2007100044438A priority patent/CN101005722A/zh
Publication of JP2007194478A publication Critical patent/JP2007194478A/ja
Publication of JP2007194478A5 publication Critical patent/JP2007194478A5/ja
Application granted granted Critical
Publication of JP4818738B2 publication Critical patent/JP4818738B2/ja
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Anticipated expiration legal-status Critical

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    • 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]

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  • Led Devices (AREA)
JP2006012603A 2006-01-20 2006-01-20 発光ダイオード駆動装置 Expired - Fee Related JP4818738B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006012603A JP4818738B2 (ja) 2006-01-20 2006-01-20 発光ダイオード駆動装置
US11/623,363 US7638954B2 (en) 2006-01-20 2007-01-16 Light emitting diode drive apparatus
CNA2007100044438A CN101005722A (zh) 2006-01-20 2007-01-22 发光二极管驱动设备

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006012603A JP4818738B2 (ja) 2006-01-20 2006-01-20 発光ダイオード駆動装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011011639A Division JP5280467B2 (ja) 2011-01-24 2011-01-24 発光ダイオード駆動装置

Publications (3)

Publication Number Publication Date
JP2007194478A JP2007194478A (ja) 2007-08-02
JP2007194478A5 JP2007194478A5 (cg-RX-API-DMAC7.html) 2008-09-18
JP4818738B2 true JP4818738B2 (ja) 2011-11-16

Family

ID=38284884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006012603A Expired - Fee Related JP4818738B2 (ja) 2006-01-20 2006-01-20 発光ダイオード駆動装置

Country Status (3)

Country Link
US (1) US7638954B2 (cg-RX-API-DMAC7.html)
JP (1) JP4818738B2 (cg-RX-API-DMAC7.html)
CN (1) CN101005722A (cg-RX-API-DMAC7.html)

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KR101478558B1 (ko) 2008-02-19 2015-01-02 삼성전자주식회사 Ｌｅｄ 구동 회로 및 그를 구비하는 단말
CN101561125A (zh) * 2008-04-18 2009-10-21 富准精密工业(深圳)有限公司 发光二极管模组
GB2461895A (en) * 2008-07-16 2010-01-20 Elliot Makin Light emitting diode driver
KR101483627B1 (ko) * 2008-07-29 2015-01-19 삼성디스플레이 주식회사 표시 장치
JP4586905B2 (ja) * 2008-08-13 2010-11-24 ソニー株式会社 発光ダイオード駆動装置
JP2010050336A (ja) * 2008-08-22 2010-03-04 Nec Lighting Ltd 発光素子用の電源装置
EP2400819A4 (en) * 2009-02-17 2012-12-05 Luminature Co Ltd ENERGY SAVING LED LIGHTING DEVICE
JP5233904B2 (ja) * 2009-08-18 2013-07-10 サンケン電気株式会社 Ｌｅｄ駆動回路
JP5367173B2 (ja) * 2009-10-26 2013-12-11 エアテック システム カンパニー リミテッド 定電流駆動ｌｅｄモジュール装置
CN102076135B (zh) * 2009-11-25 2013-11-13 登丰微电子股份有限公司 发光二极管电流控制电路、均流器及驱动装置
FR2953343B1 (fr) * 2009-12-01 2011-12-16 Inst Nat Sciences Appliq Circuit a composants passifs de pilotage ultrarapide d'un dispositif optoelectronique
US8493000B2 (en) * 2010-01-04 2013-07-23 Cooledge Lighting Inc. Method and system for driving light emitting elements
CN102223743B (zh) * 2010-04-16 2014-04-02 北京京东方光电科技有限公司 发光二极管驱动控制电路和方法
US8362711B2 (en) * 2010-05-03 2013-01-29 Ge Investment Co., Ltd. AC LED apparatus
US8519636B2 (en) * 2010-05-03 2013-08-27 Ge Investment Co., Ltd. AC LED apparatus
JP5629191B2 (ja) * 2010-05-28 2014-11-19 ルネサスエレクトロニクス株式会社 電源装置
US20120043893A1 (en) * 2010-06-28 2012-02-23 Innosys, Inc. Dimmable LED Power Supply
JP5707564B2 (ja) * 2010-07-29 2015-04-30 パナソニックＩｐマネジメント株式会社 Ｌｅｄ点灯装置、ｌｅｄ点灯装置を備える照明器具およびｌｅｄ点灯装置を備える照明システム
JP5241793B2 (ja) * 2010-10-08 2013-07-17 シャープ株式会社 電源装置及び照明装置
TW201228472A (en) * 2010-12-24 2012-07-01 Hanergy Technologies Inc LED driver circuit
JP2012227171A (ja) * 2011-01-18 2012-11-15 Sanken Electric Co Ltd Ｌｅｄ駆動装置及びｌｅｄ照明装置
JP5110197B2 (ja) 2011-01-18 2012-12-26 サンケン電気株式会社 Ｌｅｄ駆動装置及びｌｅｄ照明装置
JP2012174509A (ja) * 2011-02-22 2012-09-10 Panasonic Corp Ｌｅｄ点灯装置、ｌｅｄ点灯装置を備える照明器具
US9374083B2 (en) 2011-03-07 2016-06-21 Rohm Co., Ltd. Switching current control circuit, LED dimmer system, and LED illumination device
WO2012144178A1 (ja) * 2011-04-22 2012-10-26 シャープ株式会社 バックライトシステム
JP5972555B2 (ja) * 2011-07-04 2016-08-17 ローム株式会社 駆動電流生成回路、ｌｅｄ電源モジュール、ｌｅｄランプ
CN102367953A (zh) * 2011-08-28 2012-03-07 吴嘉懿 节能光源
CN104246348A (zh) * 2012-04-03 2014-12-24 皇家飞利浦有限公司 灯设备和用于操作灯设备的方法
US8680780B2 (en) 2012-07-02 2014-03-25 Shenzhen China Star Optoelectronics Technology Co., Ltd. LED backlight driving circuit, backlight module, and LCD device
CN102750920A (zh) * 2012-07-02 2012-10-24 深圳市华星光电技术有限公司 一种led背光驱动电路、背光模组及液晶显示装置
CN102891624B (zh) * 2012-09-25 2015-01-07 吴槐 脉冲功率稳定输出装置
CN103841700B (zh) * 2012-11-26 2016-06-15 欧普照明股份有限公司 一种led驱动系统及半导体照明装置
KR102227773B1 (ko) 2014-10-21 2021-03-16 삼성전자주식회사 발광장치
US10285227B2 (en) * 2016-05-18 2019-05-07 Avago Technologies International Sales Pte. Limited Programmable and adaptable interface for dimming light emitting diodes
CN109327933A (zh) * 2018-10-22 2019-02-12 上海炬佑智能科技有限公司 光源驱动电路、光源驱动方法以及飞行时间测距传感器
US11876346B2 (en) 2019-06-26 2024-01-16 Analog Devices, Inc. Continuous wave laser driver with energy recycling
US11075502B2 (en) 2019-08-29 2021-07-27 Analog Devices, Inc. Laser diode driver circuit techniques
CN113453405B (zh) * 2021-07-16 2023-01-13 芯知微(上海)电子科技有限公司 一种led驱动电路及led灯具

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JP2854347B2 (ja) * 1989-11-08 1999-02-03 富士通株式会社 レーザーダイオード保護回路
US5329210A (en) * 1991-11-13 1994-07-12 At&T Bell Laboratories High-speed driver for an LED communication system or the like
US5381018A (en) * 1993-12-20 1995-01-10 Xerox Corporation Electronic circuit to replace a light emitting diode and a light dependent resistor
JP2001008443A (ja) 1999-06-22 2001-01-12 Tdk Corp 電流駆動回路
AU1889201A (en) * 1999-12-14 2001-06-25 Takion Co., Ltd. Power supply and led lamp device
US6653798B2 (en) * 2000-09-29 2003-11-25 Aerospace Optics, Inc. Voltage dimmable LED display producing multiple colors
US7071762B2 (en) * 2001-01-31 2006-07-04 Koninklijke Philips Electronics N.V. Supply assembly for a led lighting module
US6870148B2 (en) * 2002-09-20 2005-03-22 Mitsubishi Electric Research Laboratories, Inc. LED with controlled capacitive discharge for photo sensing
JP4493916B2 (ja) * 2003-01-08 2010-06-30 三菱電機株式会社 自動車用前照灯
JP4770116B2 (ja) * 2003-12-25 2011-09-14 富士電機株式会社 ランプおよびｌｅｄの駆動回路
JP4060840B2 (ja) * 2004-10-01 2008-03-12 松下電器産業株式会社 発光ダイオード駆動用半導体回路、及びそれを有する発光ダイオード駆動装置

Also Published As

Publication number Publication date
CN101005722A (zh) 2007-07-25
US7638954B2 (en) 2009-12-29
JP2007194478A (ja) 2007-08-02
US20070170874A1 (en) 2007-07-26

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