EP1225559A3 - Driver circuit for a display device - Google Patents

Driver circuit for a display device Download PDF

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Publication number
EP1225559A3
EP1225559A3 EP02100001A EP02100001A EP1225559A3 EP 1225559 A3 EP1225559 A3 EP 1225559A3 EP 02100001 A EP02100001 A EP 02100001A EP 02100001 A EP02100001 A EP 02100001A EP 1225559 A3 EP1225559 A3 EP 1225559A3
Authority
EP
European Patent Office
Prior art keywords
driver circuit
lines
display devices
display device
enable
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Withdrawn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
EP02100001A
Other languages
German (de)
French (fr)
Other versions
EP1225559A2 (en
Inventor
Guido c/o Philips Corp. Int. Prop. GmbH Plangger
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.)
NXP BV
Original Assignee
NXP BV
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 NXP BV filed Critical NXP BV
Publication of EP1225559A2 publication Critical patent/EP1225559A2/en
Publication of EP1225559A3 publication Critical patent/EP1225559A3/en
Withdrawn legal-status Critical Current

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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
    • G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3685—Details of drivers for data electrodes
    • G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2310/00—Command of the display device
    • G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
    • G09G2310/0264—Details of driving circuits
    • G09G2310/027—Details of drivers for data electrodes, the drivers handling digital grey scale data, e.g. use of D/A converters
    • 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
    • G09G3/2011—Display of intermediate tones by amplitude modulation
    • 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
    • G09G3/34—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 by control of light from an independent source
    • G09G3/36—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 by control of light from an independent source using liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers
    • G09G3/3696—Generation of voltages supplied to electrode drivers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S345/00—Computer graphics processing and selective visual display systems
    • Y10S345/904—Display with fail/safe testing feature

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

Die Erfindung betrifft eine Anordnung zur Ansteuerung von Anzeigevorrichtungen und eine Anzeigevorrichtung rnit einer Treiberschaltung. Des weiteren betrifft die Erfindung ein Verfahren zum Testen von Treiberschaltungen. Derartige Treiberschaltungen haben entschiedenen Einfluss auf die Qualität der Anzeigevorrichtungen. Deshalb muss, um die Qualität sicherzustellen, die Treiberschaltung umfassend gestestet werden, mit möglichst geringer Testzeit und geringem Aufwand. Um einen derartigen Test zu ermöglichen ist eine Anordnung zur Ansteuerung von Anzeigevorrichtungen vorgesehen, mit M Leitungen die mit AN Ausgangsstufen gekoppelt sind, die wenigstens eine Multiplexeinrichtung (4) und wenigstens eine Verstärkereinheit (5) enthalten und die M Leitungen an eine erste Schaltvorrichtung (2) gekoppelt sind, die ein Unterbrechen einer Spannungszufuhr zu den M Leitungen ermöglicht und in wenigstens einer Ausgangsstufe (AN) eine zweite Schaltvorrichtung (3) vorgesehen ist, um die Ausgangsstufe (AN) auf ein festlegbares Potential zu schalten. Dadurch wird ein Test ermöglicht der digital durchführbar ist.

Figure imgaf001
The invention relates to an arrangement for driving display devices and a display device with a driver circuit. Furthermore, the invention relates to a method for testing driver circuits. Such driver circuits have a decisive influence on the quality of the display devices. Therefore, in order to ensure the quality, the driver circuit must be extensively tested, with the least possible testing time and little effort. In order to enable such a test, an arrangement is provided for driving display devices, with M lines which are coupled to A N output stages, which contain at least one multiplexing device (4) and at least one amplifier unit (5) and the M lines to a first switching device ( 2), which enables interrupting a supply of voltage to the M lines and in at least one output stage (A N ), a second switching device (3) is provided to switch the output stage (A N ) to a fixable potential. This will enable a test that is digitally feasible.
Figure imgaf001
EP02100001A 2001-01-09 2002-01-08 Driver circuit for a display device Withdrawn EP1225559A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10100569A DE10100569A1 (en) 2001-01-09 2001-01-09 Driver circuit for display device
DE10100569 2001-01-09

Publications (2)

Publication Number Publication Date
EP1225559A2 EP1225559A2 (en) 2002-07-24
EP1225559A3 true EP1225559A3 (en) 2009-07-08

Family

ID=7669979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02100001A Withdrawn EP1225559A3 (en) 2001-01-09 2002-01-08 Driver circuit for a display device

Country Status (5)

Country Link
US (1) US6972755B2 (en)
EP (1) EP1225559A3 (en)
JP (1) JP4290370B2 (en)
CN (1) CN100504974C (en)
DE (1) DE10100569A1 (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ113799A0 (en) 1999-06-22 1999-07-15 University Of Queensland, The A method and device for measuring lymphoedema
EP1571982A1 (en) 2002-11-27 2005-09-14 Z-Tech (Canada) Inc. Apparatus for determining adequacy of electrode-to-skin contact and electrode quality for bioelectrical measurements
CN1314202C (en) * 2004-05-12 2007-05-02 凌阳科技股份有限公司 Gain circuit and A/D conversion circuit of sharing operational amplifier and application
US8744564B2 (en) * 2004-06-18 2014-06-03 Impedimed Limited Oedema detection
TWI285358B (en) * 2004-07-30 2007-08-11 Sunplus Technology Co Ltd TFT LCD source driver with built in test circuit and method for testing the same
CN100359556C (en) * 2004-09-13 2008-01-02 凌阳科技股份有限公司 Source driver of built-in detecting circuit and its detecting method
US8103337B2 (en) 2004-11-26 2012-01-24 Impedimed Limited Weighted gradient method and system for diagnosing disease
EP2460468A1 (en) 2005-07-01 2012-06-06 Impedimed Limited Monitoring system
CA2609111C (en) 2005-07-01 2016-10-18 Scott Chetham A method and apparatus for performing impedance measurements in accordance with determining an electrode arrangement using a displayed representation
WO2007014417A1 (en) * 2005-08-02 2007-02-08 Impedimed Limited Impedance parameter values
JP4949659B2 (en) 2005-09-02 2012-06-13 ルネサスエレクトロニクス株式会社 DRIVE CIRCUIT TEST METHOD AND DISPLAY DEVICE DRIVE CIRCUIT
US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited Hydration status monitoring
US8761870B2 (en) 2006-05-30 2014-06-24 Impedimed Limited Impedance measurements
JP2008009170A (en) * 2006-06-29 2008-01-17 Toshiba Matsushita Display Technology Co Ltd Liquid crystal display device and driving method of liquid crystal display device
JP5372768B2 (en) 2006-11-30 2013-12-18 インぺディメッド リミテッド measuring device
AU2008207332B2 (en) 2007-01-15 2013-05-23 Impedimed Limited Monitoring system
AU2008234370B2 (en) 2007-03-30 2011-06-30 Impedimed Limited Active guarding for reduction of resistive and capactive signal loading with adjustable control of compensation level
ES2473278T3 (en) 2007-04-20 2014-07-04 Impedimed Limited Probe and monitoring system
WO2009059351A1 (en) 2007-11-05 2009-05-14 Impedimed Limited Impedance determination
AU2008207672B2 (en) * 2008-02-15 2013-10-31 Impedimed Limited Impedance Analysis
WO2010060152A1 (en) 2008-11-28 2010-06-03 Impedimed Limited Impedance measurement process
CN101847378B (en) * 2009-03-27 2012-07-04 北京京东方光电科技有限公司 Source driving chip
WO2011050393A1 (en) 2009-10-26 2011-05-05 Impedimed Limited Fluid level indicator determination
JP5755234B2 (en) 2009-11-18 2015-07-29 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ Apparatus and system for patient-electrode measurement
US9603213B1 (en) 2016-02-05 2017-03-21 Abl Ip Holding Llc Controlling multiple groups of LEDs
US10874006B1 (en) 2019-03-08 2020-12-22 Abl Ip Holding Llc Lighting fixture controller for controlling color temperature and intensity

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0391655A2 (en) * 1989-04-04 1990-10-10 Sharp Kabushiki Kaisha A drive device for driving a matrix-type LCD apparatus
US5061920A (en) * 1988-12-20 1991-10-29 Honeywell Inc. Saturating column driver for grey scale LCD
US5426447A (en) * 1992-11-04 1995-06-20 Yuen Foong Yu H.K. Co., Ltd. Data driving circuit for LCD display
US5576730A (en) * 1992-04-08 1996-11-19 Sharp Kabushiki Kaisha Active matrix substrate and a method for producing the same
US6023260A (en) * 1995-02-01 2000-02-08 Seiko Epson Corporation Liquid crystal display device, driving method for liquid crystal display devices, and inspection method for liquid crystal display devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028536A (en) * 1976-02-27 1977-06-07 The United States Of America As Represented By The Secretary Of The Navy SNAIAS digital data test set
US4194113A (en) * 1978-04-13 1980-03-18 Ncr Corporation Method and apparatus for isolating faults in a logic circuit
US4453128A (en) * 1981-04-30 1984-06-05 Pitney Bowes Inc. Digital display testing circuit
JP3312423B2 (en) * 1993-06-21 2002-08-05 ソニー株式会社 Flat panel display, active matrix substrate, and inspection method
TW275684B (en) * 1994-07-08 1996-05-11 Hitachi Seisakusyo Kk
TW329002B (en) * 1996-06-05 1998-04-01 Zenshin Test Co Apparatus and method for inspecting a LCD substrate

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5061920A (en) * 1988-12-20 1991-10-29 Honeywell Inc. Saturating column driver for grey scale LCD
EP0391655A2 (en) * 1989-04-04 1990-10-10 Sharp Kabushiki Kaisha A drive device for driving a matrix-type LCD apparatus
US5576730A (en) * 1992-04-08 1996-11-19 Sharp Kabushiki Kaisha Active matrix substrate and a method for producing the same
US5426447A (en) * 1992-11-04 1995-06-20 Yuen Foong Yu H.K. Co., Ltd. Data driving circuit for LCD display
US6023260A (en) * 1995-02-01 2000-02-08 Seiko Epson Corporation Liquid crystal display device, driving method for liquid crystal display devices, and inspection method for liquid crystal display devices

Also Published As

Publication number Publication date
CN100504974C (en) 2009-06-24
JP4290370B2 (en) 2009-07-01
JP2002304164A (en) 2002-10-18
DE10100569A1 (en) 2002-07-11
US20020093992A1 (en) 2002-07-18
US6972755B2 (en) 2005-12-06
EP1225559A2 (en) 2002-07-24
CN1365092A (en) 2002-08-21

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