JP2003504797A - Led駆動回路およびled駆動方法 - Google Patents

Led駆動回路およびled駆動方法

Info

Publication number
JP2003504797A
JP2003504797A JP2001508200A JP2001508200A JP2003504797A JP 2003504797 A JP2003504797 A JP 2003504797A JP 2001508200 A JP2001508200 A JP 2001508200A JP 2001508200 A JP2001508200 A JP 2001508200A JP 2003504797 A JP2003504797 A JP 2003504797A
Authority
JP
Japan
Prior art keywords
led
current
voltage
drive circuit
module
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.)
Pending
Application number
JP2001508200A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003504797A5 (enExample
Inventor
ビーブル アロイス
シェルホルン フランツ
ヒルシュマン ギュンター
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.)
Osram GmbH
Ams Osram International GmbH
Original Assignee
Osram Opto Semiconductors GmbH
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Osram Opto Semiconductors GmbH, Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Osram Opto Semiconductors GmbH
Publication of JP2003504797A publication Critical patent/JP2003504797A/ja
Publication of JP2003504797A5 publication Critical patent/JP2003504797A5/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • H05B45/14Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • H05B45/18Controlling the intensity of the light using temperature feedback

Landscapes

  • Led Devices (AREA)
  • Control Of El Displays (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2001508200A 1999-06-30 2000-04-01 Led駆動回路およびled駆動方法 Pending JP2003504797A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19930174A DE19930174A1 (de) 1999-06-30 1999-06-30 Ansteuerschaltung für LED und zugehöriges Betriebsverfahren
DE19930174.3 1999-06-30
PCT/DE2000/000989 WO2001003474A1 (de) 1999-06-30 2000-04-01 Ansteuerschaltung für led und zugehöriges betriebsverfahren

Publications (2)

Publication Number Publication Date
JP2003504797A true JP2003504797A (ja) 2003-02-04
JP2003504797A5 JP2003504797A5 (enExample) 2007-03-22

Family

ID=7913192

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001508200A Pending JP2003504797A (ja) 1999-06-30 2000-04-01 Led駆動回路およびled駆動方法

Country Status (7)

Country Link
US (1) US6400101B1 (enExample)
EP (1) EP1118251B1 (enExample)
JP (1) JP2003504797A (enExample)
AT (1) ATE331422T1 (enExample)
CA (1) CA2341657A1 (enExample)
DE (2) DE19930174A1 (enExample)
WO (1) WO2001003474A1 (enExample)

Cited By (15)

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JP2006147252A (ja) * 2004-11-17 2006-06-08 Matsushita Electric Works Ltd 発光ダイオード点灯装置、及び照明器具
JP2006350608A (ja) * 2005-06-15 2006-12-28 Rohm Co Ltd 定電流回路および電子機器
JP2007503357A (ja) * 2003-08-27 2007-02-22 オスラム・シルバニア・インコーポレイテッド Led自動車用ランプのための駆動回路
JP2007081394A (ja) * 2005-09-09 2007-03-29 Samsung Electro Mech Co Ltd 温度補償機能を有するled駆動制御回路
JP2007522630A (ja) * 2004-02-11 2007-08-09 バガット、ピーター 照明制御装置および関連制御方法
JP2009104848A (ja) * 2007-10-22 2009-05-14 Funai Electric Co Ltd バックライト用led駆動回路
JP2011510334A (ja) * 2007-12-11 2011-03-31 アドバンス・ディスプレイ・テクノロジーズ・インコーポレーテッド 大規模ディスプレイのデータおよび電力配信システムおよび方法
JP2011129864A (ja) * 2009-12-16 2011-06-30 Samsung Electro-Mechanics Co Ltd Pwmを利用した発光素子駆動装置
JP2011151325A (ja) * 2010-01-25 2011-08-04 Kyosan Electric Mfg Co Ltd Led駆動回路、灯器及び信号灯器
JP2012003865A (ja) * 2010-06-14 2012-01-05 Toshiba Lighting & Technology Corp Led点灯装置
KR101429023B1 (ko) 2006-09-26 2014-08-11 세미컨덕터 콤포넨츠 인더스트리즈 엘엘씨 Led 컨트롤러 및 그를 위한 방법
KR20140121213A (ko) * 2013-04-05 2014-10-15 주식회사 씨티에스 센싱 모듈 및 이를 이용한 led 조명등
JP2015216580A (ja) * 2014-05-13 2015-12-03 権太郎 北角 情報送信機能を備えた調光型照明装置およびその情報受信装置
JPWO2019130138A1 (ja) * 2017-12-25 2021-01-14 株式会社半導体エネルギー研究所 ディスプレイおよび当該ディスプレイを備えた電子機器
CN112233610A (zh) * 2020-10-16 2021-01-15 Tcl华星光电技术有限公司 一种背光恒流控制电路和背光结构

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EP1118251A1 (de) 2001-07-25
US6400101B1 (en) 2002-06-04
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DE50013044D1 (de) 2006-08-03
ATE331422T1 (de) 2006-07-15

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