JP2000340842A - Ｌｅｄ駆動装置 - Google Patents

Ｌｅｄ駆動装置

Info

Publication number
JP2000340842A
JP2000340842A JP2000127875A JP2000127875A JP2000340842A JP 2000340842 A JP2000340842 A JP 2000340842A JP 2000127875 A JP2000127875 A JP 2000127875A JP 2000127875 A JP2000127875 A JP 2000127875A JP 2000340842 A JP2000340842 A JP 2000340842A
Authority
JP
Japan
Prior art keywords
led
leds
current
mdac
color
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.)
Withdrawn
Application number
JP2000127875A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000340842A5 (enExample
Inventor
Gani Jusuf
ガニ・ジュスフ
Colm P Lysaght
コーム・ピー・ライザフト
Ryan P Donohue
ライアン・ピー・ドノヒュー
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.)
Agilent Technologies Inc
Original Assignee
Agilent Technologies Inc
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 Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of JP2000340842A publication Critical patent/JP2000340842A/ja
Publication of JP2000340842A5 publication Critical patent/JP2000340842A5/ja
Withdrawn legal-status Critical Current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]
    • H05B45/20—Controlling the colour of the light
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Led Devices (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
JP2000127875A 1999-04-30 2000-04-27 Ｌｅｄ駆動装置 Withdrawn JP2000340842A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/303,797 US6266000B1 (en) 1999-04-30 1999-04-30 Programmable LED driver pad
US303797 1999-04-30

Publications (2)

Publication Number Publication Date
JP2000340842A true JP2000340842A (ja) 2000-12-08
JP2000340842A5 JP2000340842A5 (enExample) 2007-06-07

Family

ID=23173744

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000127875A Withdrawn JP2000340842A (ja) 1999-04-30 2000-04-27 Ｌｅｄ駆動装置

Country Status (5)

Country Link
US (1) US6266000B1 (enExample)
EP (1) EP1049360B1 (enExample)
JP (1) JP2000340842A (enExample)
KR (1) KR100694371B1 (enExample)
DE (1) DE60034737D1 (enExample)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003022052A (ja) * 2001-07-10 2003-01-24 Sony Corp 発光素子の駆動回路及び画像表示装置
JP2003140614A (ja) * 2001-11-08 2003-05-16 Nec Corp データ線駆動回路
JP2003195812A (ja) * 2001-08-29 2003-07-09 Nec Corp 電流負荷デバイス駆動用半導体装置及びそれを備えた電流負荷デバイス
JP2003233347A (ja) * 2001-08-02 2003-08-22 Seiko Epson Corp 画素へのプログラミング電流の供給
JP2004151694A (ja) * 2002-10-08 2004-05-27 Rohm Co Ltd 有機ｅｌ駆動回路およびこれを用いる有機ｅｌ表示装置
JP2004151693A (ja) * 2002-10-07 2004-05-27 Rohm Co Ltd 有機ｅｌ駆動回路およびこれを用いる有機ｅｌ表示装置
JP2004177796A (ja) * 2002-11-28 2004-06-24 Casio Comput Co Ltd 電流生成供給回路及びその制御方法並びに電流生成供給回路を備えた表示装置
JP2004206045A (ja) * 2002-10-31 2004-07-22 Casio Comput Co Ltd 電流生成供給回路及びその制御方法並びに電流生成供給回路を備えた表示装置
JP2005017977A (ja) * 2003-06-30 2005-01-20 Casio Comput Co Ltd 電流生成供給回路及び該電流生成供給回路を備えた表示装置
JP2005524107A (ja) * 2002-04-25 2005-08-11 ケンブリッジ ディスプレイ テクノロジー リミテッド ブランク・ラインをスキップする有機発光ダイオードのためのディスプレイ・ドライバ回路
JPWO2003091977A1 (ja) * 2002-04-26 2005-09-02 東芝松下ディスプレイテクノロジー株式会社 Ｅｌ表示パネルのドライバ回路
JP2007226258A (ja) * 2002-04-26 2007-09-06 Toshiba Matsushita Display Technology Co Ltd Ｅｌ表示パネルのドライバ回路
JP2007233398A (ja) * 2002-04-26 2007-09-13 Toshiba Matsushita Display Technology Co Ltd Ｅｌ表示パネルの駆動方法
JP2007256958A (ja) * 2002-04-26 2007-10-04 Toshiba Matsushita Display Technology Co Ltd Ｅｌ表示パネルの駆動方法
JP2008257258A (ja) * 2001-08-02 2008-10-23 Seiko Epson Corp 画素へのプログラミング電流の供給
JP2008276267A (ja) * 2001-08-29 2008-11-13 Nec Corp 電流負荷デバイス駆動用半導体装置及びそれを備えた電流負荷デバイス
JP2009003463A (ja) * 2008-07-24 2009-01-08 Casio Comput Co Ltd 電流生成供給回路及び電流生成供給回路を備えた表示装置
US7580011B2 (en) 2003-06-30 2009-08-25 Casio Computer Co., Ltd. Current generation supply circuit and display device
US7760161B2 (en) 2003-07-16 2010-07-20 Casio Computer Co., Ltd. Current generation supply circuit and display device
US7864167B2 (en) 2002-10-31 2011-01-04 Casio Computer Co., Ltd. Display device wherein drive currents are based on gradation currents and method for driving a display device
US8188949B2 (en) 2002-04-25 2012-05-29 Cambridge Display Technology Limited Display driver circuits for organic light emitting diode displays with skipping of blank lines, method of reducing power consumption of a display, processor control code to implement the method, and carrier for the control code

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6441558B1 (en) * 2000-12-07 2002-08-27 Koninklijke Philips Electronics N.V. White LED luminary light control system
CN102290005B (zh) 2001-09-21 2017-06-20 株式会社半导体能源研究所 有机发光二极管显示装置的驱动方法
EP1450341A4 (en) * 2001-09-25 2009-04-01 Panasonic Corp EL DISPLAY BOARD AND EL DISPLAY DEVICE THEREFOR
DE10201779A1 (de) * 2002-01-17 2003-07-31 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Betriebsgerät für Leuchtdioden
TWI345211B (en) * 2002-05-17 2011-07-11 Semiconductor Energy Lab Display apparatus and driving method thereof
US7184034B2 (en) * 2002-05-17 2007-02-27 Semiconductor Energy Laboratory Co., Ltd. Display device
US7474285B2 (en) * 2002-05-17 2009-01-06 Semiconductor Energy Laboratory Co., Ltd. Display apparatus and driving method thereof
US7170479B2 (en) * 2002-05-17 2007-01-30 Semiconductor Energy Laboratory Co., Ltd. Display device and driving method thereof
TWI360098B (en) * 2002-05-17 2012-03-11 Semiconductor Energy Lab Display apparatus and driving method thereof
EP1623603A1 (en) * 2003-05-07 2006-02-08 Koninklijke Philips Electronics N.V. Single driver for multiple light emitting diodes
KR100742063B1 (ko) * 2003-05-26 2007-07-23 가시오게산키 가부시키가이샤 전류생성공급회로 및 표시장치
US20050225264A1 (en) * 2004-03-30 2005-10-13 Kemp William H LED lamp with color and brightness controller for use in wet, electrically hazardous bathing environments
US20060031599A1 (en) * 2004-08-09 2006-02-09 International Business Machines Corporation Shared led control within a storage enclosure via modulation of a single led control signal
US20060214876A1 (en) * 2005-03-23 2006-09-28 Sony Ericsson Mobile Communications Ab Electronic device having a light bus for controlling light emitting elements
DE102005051270A1 (de) * 2005-10-26 2007-05-03 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung und Verfahren zur Helligkeitseinstellung einer Lichtquellenanordnung
CN102752902B (zh) * 2011-04-22 2014-10-15 登丰微电子股份有限公司 发光二极管驱动电路
CN106211429B (zh) * 2016-07-14 2017-11-14 江苏万邦微电子有限公司 一种大电流驱动电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183046A (en) * 1978-08-17 1980-01-08 Interpretation Systems Incorporated Electronic apparatus for converting digital image or graphics data to color video display formats and method therefor
US4464726A (en) * 1981-09-08 1984-08-07 Massachusetts Institute Of Technology Charge domain parallel processing network
US4920344A (en) * 1985-03-11 1990-04-24 Ncr Corporation Digitally compensated multiplying digital to analog converter
US4779029A (en) * 1985-03-11 1988-10-18 Ncr Corporation Digitally compensated multiplying digital to analog converter
US4631522A (en) * 1985-04-12 1986-12-23 Audio Precision, Inc. Method and circuit for compensation of a multiplying digital-to-analog converter
US5479189A (en) * 1991-02-28 1995-12-26 Chesavage; Jay 4 channel color display adapter and method for color correction
JP3599883B2 (ja) * 1996-03-25 2004-12-08 シャープ株式会社 発光素子の制御装置及び光学センサの制御装置並びにブランクランプの制御装置

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003022052A (ja) * 2001-07-10 2003-01-24 Sony Corp 発光素子の駆動回路及び画像表示装置
JP2003233347A (ja) * 2001-08-02 2003-08-22 Seiko Epson Corp 画素へのプログラミング電流の供給
JP2008257258A (ja) * 2001-08-02 2008-10-23 Seiko Epson Corp 画素へのプログラミング電流の供給
JP2003195812A (ja) * 2001-08-29 2003-07-09 Nec Corp 電流負荷デバイス駆動用半導体装置及びそれを備えた電流負荷デバイス
US7796110B2 (en) 2001-08-29 2010-09-14 Nec Corporation Semiconductor device for driving a current load device and a current load device provided therewith
JP2008276267A (ja) * 2001-08-29 2008-11-13 Nec Corp 電流負荷デバイス駆動用半導体装置及びそれを備えた電流負荷デバイス
JP2003140614A (ja) * 2001-11-08 2003-05-16 Nec Corp データ線駆動回路
JP2005524107A (ja) * 2002-04-25 2005-08-11 ケンブリッジ ディスプレイ テクノロジー リミテッド ブランク・ラインをスキップする有機発光ダイオードのためのディスプレイ・ドライバ回路
US8188949B2 (en) 2002-04-25 2012-05-29 Cambridge Display Technology Limited Display driver circuits for organic light emitting diode displays with skipping of blank lines, method of reducing power consumption of a display, processor control code to implement the method, and carrier for the control code
JPWO2003091977A1 (ja) * 2002-04-26 2005-09-02 東芝松下ディスプレイテクノロジー株式会社 Ｅｌ表示パネルのドライバ回路
JPWO2003091978A1 (ja) * 2002-04-26 2005-09-02 東芝松下ディスプレイテクノロジー株式会社 Ｅｌ表示パネルの駆動方法
JP2007226258A (ja) * 2002-04-26 2007-09-06 Toshiba Matsushita Display Technology Co Ltd Ｅｌ表示パネルのドライバ回路
JP2007233398A (ja) * 2002-04-26 2007-09-13 Toshiba Matsushita Display Technology Co Ltd Ｅｌ表示パネルの駆動方法
JP2007256958A (ja) * 2002-04-26 2007-10-04 Toshiba Matsushita Display Technology Co Ltd Ｅｌ表示パネルの駆動方法
JP2004151693A (ja) * 2002-10-07 2004-05-27 Rohm Co Ltd 有機ｅｌ駆動回路およびこれを用いる有機ｅｌ表示装置
JP2004151694A (ja) * 2002-10-08 2004-05-27 Rohm Co Ltd 有機ｅｌ駆動回路およびこれを用いる有機ｅｌ表示装置
JP2004206045A (ja) * 2002-10-31 2004-07-22 Casio Comput Co Ltd 電流生成供給回路及びその制御方法並びに電流生成供給回路を備えた表示装置
US7864167B2 (en) 2002-10-31 2011-01-04 Casio Computer Co., Ltd. Display device wherein drive currents are based on gradation currents and method for driving a display device
JP2004177796A (ja) * 2002-11-28 2004-06-24 Casio Comput Co Ltd 電流生成供給回路及びその制御方法並びに電流生成供給回路を備えた表示装置
US7580011B2 (en) 2003-06-30 2009-08-25 Casio Computer Co., Ltd. Current generation supply circuit and display device
JP2005017977A (ja) * 2003-06-30 2005-01-20 Casio Comput Co Ltd 電流生成供給回路及び該電流生成供給回路を備えた表示装置
US7760161B2 (en) 2003-07-16 2010-07-20 Casio Computer Co., Ltd. Current generation supply circuit and display device
JP2009003463A (ja) * 2008-07-24 2009-01-08 Casio Comput Co Ltd 電流生成供給回路及び電流生成供給回路を備えた表示装置

Also Published As

Publication number Publication date
KR100694371B1 (ko) 2007-03-12
US6266000B1 (en) 2001-07-24
EP1049360B1 (en) 2007-05-09
DE60034737D1 (de) 2007-06-21
EP1049360A3 (en) 2003-12-03
EP1049360A2 (en) 2000-11-02
KR20010007020A (ko) 2001-01-26

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