DE69428163D1 - Flache Anzeigevorrichtung und Verfahren zu ihrer Inspektion - Google Patents

Flache Anzeigevorrichtung und Verfahren zu ihrer Inspektion

Info

Publication number
DE69428163D1
DE69428163D1 DE69428163T DE69428163T DE69428163D1 DE 69428163 D1 DE69428163 D1 DE 69428163D1 DE 69428163 T DE69428163 T DE 69428163T DE 69428163 T DE69428163 T DE 69428163T DE 69428163 D1 DE69428163 D1 DE 69428163D1
Authority
DE
Germany
Prior art keywords
inspection
scanning circuit
use output
display device
flat display
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
DE69428163T
Other languages
English (en)
Other versions
DE69428163T2 (de
Inventor
Yoshikazu Hazama
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of DE69428163D1 publication Critical patent/DE69428163D1/de
Application granted granted Critical
Publication of DE69428163T2 publication Critical patent/DE69428163T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • 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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • 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
    • G09G3/3648—Control of matrices with row and column drivers using an active 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
    • 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
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/02—Detection or location of defective auxiliary circuits, e.g. defective refresh counters
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
    • G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
    • G11C29/48—Arrangements in static stores specially adapted for testing by means external to the store, e.g. using direct memory access [DMA] or using auxiliary access paths
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof
    • 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
    • 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)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Liquid Crystal (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
DE69428163T 1993-06-21 1994-06-21 Flache Anzeigevorrichtung und Verfahren zu ihrer Inspektion Expired - Fee Related DE69428163T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14956093A JP3312423B2 (ja) 1993-06-21 1993-06-21 平面表示装置、アクティブマトリクス基板および検査方法

Publications (2)

Publication Number Publication Date
DE69428163D1 true DE69428163D1 (de) 2001-10-11
DE69428163T2 DE69428163T2 (de) 2002-06-20

Family

ID=15477850

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428163T Expired - Fee Related DE69428163T2 (de) 1993-06-21 1994-06-21 Flache Anzeigevorrichtung und Verfahren zu ihrer Inspektion

Country Status (5)

Country Link
US (1) US5644331A (de)
EP (1) EP0629868B1 (de)
JP (1) JP3312423B2 (de)
KR (1) KR100319062B1 (de)
DE (1) DE69428163T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5883609A (en) * 1994-10-27 1999-03-16 Nec Corporation Active matrix type liquid crystal display with multi-media oriented drivers and driving method for same
TW374852B (en) * 1996-06-10 1999-11-21 Toshiba Corp Display device
US6009187A (en) * 1996-12-02 1999-12-28 Motorola, Inc. Wafer prober having an emissive display inspection system and method of use
US6177955B1 (en) 1997-10-09 2001-01-23 Westar Corporation Visual display inspection system
US6072274A (en) * 1997-10-22 2000-06-06 Hewlett-Packard Company Molded plastic panel for flat panel displays
US6191770B1 (en) * 1997-12-11 2001-02-20 Lg. Philips Lcd Co., Ltd. Apparatus and method for testing driving circuit in liquid crystal display
US6140993A (en) * 1998-06-16 2000-10-31 Atmel Corporation Circuit for transferring high voltage video signal without signal loss
JP2000315058A (ja) * 1999-04-30 2000-11-14 Toshiba Corp 表示装置用アレイ基板
JP3309839B2 (ja) * 1999-10-21 2002-07-29 日本電気株式会社 液晶表示装置
KR100596965B1 (ko) * 2000-03-17 2006-07-04 삼성전자주식회사 구동신호 인가모듈, 이를 적용한 액정표시패널 어셈블리 및 이 액정표시패널 어셈블리의 구동신호 검사 방법
KR100865542B1 (ko) 2000-12-06 2008-10-27 소니 가부시끼 가이샤 표시장치용 타이밍 발생회로 및 이것을 탑재한 표시장치
DE10100569A1 (de) * 2001-01-09 2002-07-11 Koninkl Philips Electronics Nv Treiberschaltung für Anzeigevorrichtung
JP3643808B2 (ja) * 2001-11-14 2005-04-27 三洋電機株式会社 半導体装置
JP3989756B2 (ja) * 2002-03-18 2007-10-10 シャープ株式会社 表示装置およびその走査回路検査方法
US8502812B2 (en) * 2006-07-10 2013-08-06 Samsung Electronics Co., Ltd. Liquid crystal display device and driving method thereof, and mobile terminal having the same, for preventing white or black effect
JP5286818B2 (ja) 2008-02-21 2013-09-11 セイコーエプソン株式会社 電気光学装置及び電子機器
US9164131B2 (en) * 2010-05-13 2015-10-20 Tektronix, Inc. Signal recognition and triggering using computer vision techniques
TWI547933B (zh) * 2014-11-27 2016-09-01 友達光電股份有限公司 液晶顯示器及其測試電路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2849221C2 (de) * 1978-11-13 1983-01-27 Günter Dipl.-Phys. 3303 Vechelde Kramer Anzeigeeinrichtung mit Flüssigkristallelementen
JPS56104387A (en) * 1980-01-22 1981-08-20 Citizen Watch Co Ltd Display unit
JPH02106795A (ja) * 1988-10-14 1990-04-18 Mitsubishi Electric Corp 液晶駆動回路
US5093654A (en) * 1989-05-17 1992-03-03 Eldec Corporation Thin-film electroluminescent display power supply system for providing regulated write voltages
US5179345A (en) * 1989-12-13 1993-01-12 International Business Machines Corporation Method and apparatus for analog testing
EP0494610A3 (en) * 1991-01-08 1993-02-03 Kabushiki Kaisha Toshiba Tft lcd control method for setting display controller in sleep state when no access to vram is made
JP2792634B2 (ja) * 1991-06-28 1998-09-03 シャープ株式会社 アクティブマトリクス基板の検査方法
US5206633A (en) * 1991-08-19 1993-04-27 International Business Machines Corp. Self calibrating brightness controls for digitally operated liquid crystal display system
US5184082A (en) * 1991-09-18 1993-02-02 Honeywell Inc. Apparatus and method for testing an active matrix pixel display

Also Published As

Publication number Publication date
US5644331A (en) 1997-07-01
JP3312423B2 (ja) 2002-08-05
JPH0713515A (ja) 1995-01-17
KR950001585A (ko) 1995-01-03
DE69428163T2 (de) 2002-06-20
KR100319062B1 (ko) 2002-04-06
EP0629868B1 (de) 2001-09-05
EP0629868A1 (de) 1994-12-21

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee