DE102004004319B8 - Steuervorrichtung für eine Licht emittierende Diode - Google Patents

Steuervorrichtung für eine Licht emittierende Diode Download PDF

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Publication number
DE102004004319B8
DE102004004319B8 DE102004004319A DE102004004319A DE102004004319B8 DE 102004004319 B8 DE102004004319 B8 DE 102004004319B8 DE 102004004319 A DE102004004319 A DE 102004004319A DE 102004004319 A DE102004004319 A DE 102004004319A DE 102004004319 B8 DE102004004319 B8 DE 102004004319B8
Authority
DE
Germany
Prior art keywords
light
control device
emitting diode
diode
emitting
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
DE102004004319A
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English (en)
Other versions
DE102004004319B4 (de
DE102004004319A1 (de
Inventor
Shinji Anjo Tani
Yoshichika Anjo Abe
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.)
Denso Corp
Denso Electronics Corp
Original Assignee
Denso Corp
Anden Co Ltd
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 Denso Corp, Anden Co Ltd filed Critical Denso Corp
Publication of DE102004004319A1 publication Critical patent/DE102004004319A1/de
Publication of DE102004004319B4 publication Critical patent/DE102004004319B4/de
Application granted granted Critical
Publication of DE102004004319B8 publication Critical patent/DE102004004319B8/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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]
    • H05B45/10—Controlling the intensity of the light
DE102004004319A 2003-01-31 2004-01-28 Steuervorrichtung für eine Licht emittierende Diode Expired - Fee Related DE102004004319B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP03-23316 2003-01-31
JP2003023316A JP2004235498A (ja) 2003-01-31 2003-01-31 発光ダイオードの制御装置

Publications (3)

Publication Number Publication Date
DE102004004319A1 DE102004004319A1 (de) 2004-08-12
DE102004004319B4 DE102004004319B4 (de) 2009-07-16
DE102004004319B8 true DE102004004319B8 (de) 2009-11-05

Family

ID=32709268

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004004319A Expired - Fee Related DE102004004319B8 (de) 2003-01-31 2004-01-28 Steuervorrichtung für eine Licht emittierende Diode

Country Status (4)

Country Link
US (1) US7049752B2 (de)
JP (1) JP2004235498A (de)
CN (1) CN1558704A (de)
DE (1) DE102004004319B8 (de)

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DE102004062728B3 (de) * 2004-12-27 2006-04-06 Insta Elektro Gmbh Elektrische/elektronische Schaltungsanordnung
DE102004062727B3 (de) * 2004-12-27 2006-04-06 Insta Elektro Gmbh Elektrische/elektronische Schaltungsanordnung
WO2006074573A1 (en) * 2005-01-12 2006-07-20 Waikei Huen Semiconductor lamp
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US8629626B2 (en) * 2005-05-10 2014-01-14 Adb Airfield Solutions, Llc Dedicated LED airfield system architectures
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JP4569489B2 (ja) * 2006-02-10 2010-10-27 市光工業株式会社 車両用急減速表示灯装置
CN101052254B (zh) * 2006-04-07 2010-05-12 杨毅 驱动led发光的方法
US20070284447A1 (en) * 2006-05-25 2007-12-13 Datalogic Scanning, Inc. Variable illumination scanning
TWI308731B (en) * 2006-06-09 2009-04-11 Htc Corp Light driving device
CN101090595B (zh) * 2006-06-13 2014-09-10 宏达国际电子股份有限公司 灯号驱动装置
US7659672B2 (en) * 2006-09-29 2010-02-09 O2Micro International Ltd. LED driver
US7994732B2 (en) * 2006-11-03 2011-08-09 Zulch Laboratories, Inc. Intensity changing with reduced flicker for digitally-controlled lighting
EP1985496A3 (de) * 2007-04-26 2009-07-22 odelo GmbH Verfahren und Schaltung zur Ansteuerung von Leuchtmitteln während eines photometrischen Messvorgangs
KR100887087B1 (ko) * 2007-06-26 2009-03-04 삼성전기주식회사 극장 디밍 벅타입 ｌｅｄ 구동 장치
DE102007031800A1 (de) * 2007-07-07 2009-01-08 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeugleuchtensystem
JP5502475B2 (ja) * 2007-08-07 2014-05-28 ローム株式会社 光源の点灯または消灯制御装置
JP2009301876A (ja) * 2008-06-13 2009-12-24 Panasonic Electric Works Co Ltd Ｌｅｄ照明装置
TWI406231B (zh) * 2008-11-20 2013-08-21 Chunghwa Picture Tubes Ltd 液晶顯示器之掃描式背光驅動燈管之方法
US20100302420A1 (en) * 2009-05-28 2010-12-02 Symbol Technologies, Inc. Method and apparatus for reducing the visual discomfort of the illumination generated by imaging scanners
CN101600279A (zh) * 2009-07-20 2009-12-09 普照光电科技股份有限公司 发光二极管的驱动电路
CN101620826B (zh) * 2009-08-17 2011-08-31 南京信息职业技术学院 用于大屏幕led真彩显示屏的驱动方法和电路
CN102083253A (zh) * 2009-11-27 2011-06-01 富准精密工业(深圳)有限公司 灯具控制系统
JP2011175877A (ja) * 2010-02-25 2011-09-08 New Japan Radio Co Ltd 調光方法および調光回路
JP5470150B2 (ja) * 2010-04-23 2014-04-16 ローム株式会社 スイッチング電源の制御回路、制御方法およびそれらを用いた発光装置および電子機器
CN102014548B (zh) * 2010-09-07 2011-12-14 凹凸电子（武汉）有限公司 调整光源亮度的控制器、方法以及照明系统
TWI418245B (zh) * 2010-09-16 2013-12-01 O2Micro Int Ltd 光源調光控制器及光源調光控制方法
KR101361294B1 (ko) 2011-06-09 2014-02-11 한라비스테온공조 주식회사 차량용 공조 시스템에 적용되는 디스플레이 장치 및 그 장치의 제어방법
JP6331252B2 (ja) * 2013-02-15 2018-05-30 市光工業株式会社 車両用灯具点灯回路
JP2014156191A (ja) * 2013-02-15 2014-08-28 Ichikoh Ind Ltd 車両用灯具点灯回路
JP6263839B2 (ja) * 2013-02-20 2018-01-24 市光工業株式会社 車両用灯具
CN103280969A (zh) * 2013-05-29 2013-09-04 曹国基 基于干电池供电的智能产品用电单元的驱动装置
JP6803771B2 (ja) * 2017-02-27 2020-12-23 スタンレー電気株式会社 車両用灯具の点灯制御装置、車両用灯具システム
CN107666741B (zh) * 2017-10-11 2020-02-21 宁波赛耐比光电科技股份有限公司 一种pwm调光电路
JP6770555B2 (ja) * 2018-08-01 2020-10-14 本田技研工業株式会社 ブレーキランプ制御装置および車両
US11432385B2 (en) 2020-08-07 2022-08-30 Analog Devices, Inc. Single comparator exponential-scale PWM dimming

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11129813A (ja) * 1997-10-31 1999-05-18 Tenkuu Denshi Kk 車体取り付け用電子表示器およびその製造方法
WO1999029142A1 (en) * 1997-12-03 1999-06-10 Daysun Electronics Co., Ltd. Circuit and method for driving light emitting diode
JP2001244087A (ja) * 2000-03-01 2001-09-07 Ichikoh Ind Ltd 発光ダイオード灯具の制御回路
DE10013208A1 (de) * 2000-03-17 2001-09-20 Tridonic Bauelemente Gmbh Dorn Ansteuerung von Leuchtdioden (LED`s)
WO2003069958A1 (en) * 2002-02-14 2003-08-21 Koninklijke Philips Electronics N.V. Switching device for driving a led array

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US6700692B2 (en) * 1997-04-02 2004-03-02 Gentex Corporation Electrochromic rearview mirror assembly incorporating a display/signal light
US5929568A (en) * 1997-07-08 1999-07-27 Korry Electronics Co. Incandescent bulb luminance matching LED circuit
US6661428B1 (en) * 1999-04-15 2003-12-09 Lg Electronics Inc. Device and method for controlling luminance of flat display
US6628252B2 (en) * 2000-05-12 2003-09-30 Rohm Co., Ltd. LED drive circuit
JP2001326569A (ja) * 2000-05-16 2001-11-22 Toshiba Corp Ｌｅｄ駆動回路及び光送信モジュール
JP4017960B2 (ja) * 2002-10-24 2007-12-05 日本テキサス・インスツルメンツ株式会社 駆動回路

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11129813A (ja) * 1997-10-31 1999-05-18 Tenkuu Denshi Kk 車体取り付け用電子表示器およびその製造方法
WO1999029142A1 (en) * 1997-12-03 1999-06-10 Daysun Electronics Co., Ltd. Circuit and method for driving light emitting diode
JP2001244087A (ja) * 2000-03-01 2001-09-07 Ichikoh Ind Ltd 発光ダイオード灯具の制御回路
DE10013208A1 (de) * 2000-03-17 2001-09-20 Tridonic Bauelemente Gmbh Dorn Ansteuerung von Leuchtdioden (LED`s)
WO2003069958A1 (en) * 2002-02-14 2003-08-21 Koninklijke Philips Electronics N.V. Switching device for driving a led array

Also Published As

Publication number Publication date
US7049752B2 (en) 2006-05-23
US20040150355A1 (en) 2004-08-05
DE102004004319B4 (de) 2009-07-16
JP2004235498A (ja) 2004-08-19
DE102004004319A1 (de) 2004-08-12
CN1558704A (zh) 2004-12-29

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8396 Reprint of erroneous front page
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee