DE69428163D1 - Flache Anzeigevorrichtung und Verfahren zu ihrer Inspektion - Google Patents
Flache Anzeigevorrichtung und Verfahren zu ihrer InspektionInfo
- 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
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)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19540146B4 (de) * | 1994-10-27 | 2012-06-21 | Nec Corp. | Flüssigkristallanzeige vom aktiven Matrixtyp mit Treibern für Multimedia-Anwendungen und Ansteuerverfahren dafür |
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 |
CN100433100C (zh) | 2000-12-06 | 2008-11-12 | 索尼公司 | 显示装置定时信号产生电路和包括该定时信号产生电路的显示装置 |
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)
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 |
-
1993
- 1993-06-21 JP JP14956093A patent/JP3312423B2/ja not_active Expired - Lifetime
-
1994
- 1994-06-18 KR KR1019940013791A patent/KR100319062B1/ko not_active IP Right Cessation
- 1994-06-20 US US08/262,691 patent/US5644331A/en not_active Expired - Lifetime
- 1994-06-21 DE DE69428163T patent/DE69428163T2/de not_active Expired - Fee Related
- 1994-06-21 EP EP94109588A patent/EP0629868B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100319062B1 (ko) | 2002-04-06 |
EP0629868B1 (de) | 2001-09-05 |
KR950001585A (ko) | 1995-01-03 |
US5644331A (en) | 1997-07-01 |
JPH0713515A (ja) | 1995-01-17 |
EP0629868A1 (de) | 1994-12-21 |
DE69428163T2 (de) | 2002-06-20 |
JP3312423B2 (ja) | 2002-08-05 |
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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 |