TW375726B - Smart driver for an array of LEDs - Google Patents

Smart driver for an array of LEDs

Info

Publication number
TW375726B
TW375726B TW086105520A TW86105520A TW375726B TW 375726 B TW375726 B TW 375726B TW 086105520 A TW086105520 A TW 086105520A TW 86105520 A TW86105520 A TW 86105520A TW 375726 B TW375726 B TW 375726B
Authority
TW
Taiwan
Prior art keywords
control
circuit
terminal
driver
leds
Prior art date
Application number
TW086105520A
Other languages
English (en)
Chinese (zh)
Inventor
Chengping Wei
Franky So
Michael P Norman
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of TW375726B publication Critical patent/TW375726B/zh

Links

Classifications

    • 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
    • G09G3/22—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 using controlled light sources
    • G09G3/30—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 using controlled light sources using electroluminescent panels
    • G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3216—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using a passive matrix
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0223—Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/043—Preventing or counteracting the effects of ageing
    • 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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Control Of El Displays (AREA)
TW086105520A 1996-06-10 1997-04-28 Smart driver for an array of LEDs TW375726B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/660,827 US5684368A (en) 1996-06-10 1996-06-10 Smart driver for an array of LEDs

Publications (1)

Publication Number Publication Date
TW375726B true TW375726B (en) 1999-12-01

Family

ID=24651133

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086105520A TW375726B (en) 1996-06-10 1997-04-28 Smart driver for an array of LEDs

Country Status (4)

Country Link
US (1) US5684368A (enExample)
EP (1) EP0813180A1 (enExample)
JP (1) JPH1063228A (enExample)
TW (1) TW375726B (enExample)

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GB9624706D0 (en) * 1996-11-28 1997-01-15 Cambridge Display Tech Ltd Light emitting polymer device
DE19710855A1 (de) * 1997-03-15 1998-10-01 Dambach Werke Gmbh Leuchtdiodenmatrix-Anzeigevorrichtung
WO1999045558A1 (en) * 1998-03-05 1999-09-10 Fed Corporation Blue and ultraviolet photolithography with organic light emitting devices
US5990802A (en) * 1998-05-18 1999-11-23 Smartlite Communications, Inc. Modular LED messaging sign panel and display system
JP2002535722A (ja) * 1999-01-21 2002-10-22 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 有機電界発光表示装置
US6618031B1 (en) * 1999-02-26 2003-09-09 Three-Five Systems, Inc. Method and apparatus for independent control of brightness and color balance in display and illumination systems
US6191534B1 (en) * 1999-07-21 2001-02-20 Infineon Technologies North America Corp. Low current drive of light emitting devices
JP2003511746A (ja) 1999-10-12 2003-03-25 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Ｌｅｄ表示装置
AU6644600A (en) * 1999-10-14 2001-04-23 Illumagraphics, Llc Remotely programmable control device for use in electroluminescent displays and lighting systems
JP2001143867A (ja) 1999-11-18 2001-05-25 Nec Corp 有機ｅｌ駆動回路
CN100511370C (zh) 2000-07-07 2009-07-08 精工爱普生株式会社 用于有机场致发光显示器的电流抽样电路
CA2384592C (en) * 2000-07-28 2009-05-19 Nichia Corporation Light element test method and device using the light element driving circuit
US6888529B2 (en) * 2000-12-12 2005-05-03 Koninklijke Philips Electronics N.V. Control and drive circuit arrangement for illumination performance enhancement with LED light sources
TW561445B (en) 2001-01-02 2003-11-11 Chi Mei Optoelectronics Corp OLED active driving system with current feedback
US7088321B1 (en) * 2001-03-30 2006-08-08 Infocus Corporation Method and apparatus for driving LED light sources for a projection display
CN100410992C (zh) * 2001-08-02 2008-08-13 精工爱普生株式会社 电光装置及其驱动方法
JP3951687B2 (ja) 2001-08-02 2007-08-01 セイコーエプソン株式会社 単位回路の制御に使用されるデータ線の駆動
US20030169219A1 (en) * 2001-10-19 2003-09-11 Lechevalier Robert System and method for exposure timing compensation for row resistance
WO2003034391A2 (en) * 2001-10-19 2003-04-24 Clare Micronix Integrated Systems, Inc. Method and system for adjusting the voltage of a precharge circuit
US6847171B2 (en) * 2001-12-21 2005-01-25 Seiko Epson Corporation Organic electroluminescent device compensated pixel driver circuit
JP3757899B2 (ja) * 2002-05-07 2006-03-22 株式会社豊田自動織機 駆動用半導体装置及び表示装置ならびに輝度バランス調整方法
EP1383103B1 (fr) * 2002-07-19 2012-03-21 St Microelectronics S.A. Adaption automatique de la tension d'alimentation d'un ecran electroluminescent en fonction de la luminance souhaitee
US7009603B2 (en) * 2002-09-27 2006-03-07 Tdk Semiconductor, Corp. Method and apparatus for driving light emitting polymer displays
CN1930603A (zh) 2004-03-10 2007-03-14 皇家飞利浦电子股份有限公司 具有减小功耗的有源矩阵显示器
US7839295B2 (en) * 2007-10-09 2010-11-23 Abl Ip Holding Llc Extended life LED fixture
US10255834B2 (en) * 2015-07-23 2019-04-09 X-Celeprint Limited Parallel redundant chiplet system for controlling display pixels
CN113574450B (zh) * 2019-03-29 2024-06-11 伊英克公司 电光显示器以及驱动电光显示器的方法
CN110570814B (zh) * 2019-09-16 2021-01-05 芯颖科技有限公司 Pmoled显示屏的视效补偿方法、装置及存储介质
IT202000027020A1 (it) * 2020-11-12 2021-02-12 D A C Engineering & Res S R L Dispositivo elettronico modulare intelligente per la sterilizzazione di superfici ed oggetti

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US4441106A (en) * 1982-06-04 1984-04-03 Northern Telecom Limited Electrical display apparatus with reduced peak power consumption
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US5184114A (en) * 1982-11-04 1993-02-02 Integrated Systems Engineering, Inc. Solid state color display system and light emitting diode pixels therefor
US4642524A (en) * 1985-01-08 1987-02-10 Hewlett-Packard Company Inverse shadowing in electroluminescent displays
US4967192A (en) * 1987-04-22 1990-10-30 Hitachi, Ltd. Light-emitting element array driver circuit
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US5424560A (en) * 1994-05-31 1995-06-13 Motorola, Inc. Integrated multicolor organic led array
US5473222A (en) * 1994-07-05 1995-12-05 Delco Electronics Corporation Active matrix vacuum fluorescent display with microprocessor integration
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JPH09115673A (ja) * 1995-10-13 1997-05-02 Sony Corp 発光素子又は装置、及びその駆動方法

Also Published As

Publication number Publication date
JPH1063228A (ja) 1998-03-06
EP0813180A1 (en) 1997-12-17
US5684368A (en) 1997-11-04

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees