TW200620674A - Method and apparatus for testing TFT array - Google Patents

Method and apparatus for testing TFT array

Info

Publication number
TW200620674A
TW200620674A TW094125004A TW94125004A TW200620674A TW 200620674 A TW200620674 A TW 200620674A TW 094125004 A TW094125004 A TW 094125004A TW 94125004 A TW94125004 A TW 94125004A TW 200620674 A TW200620674 A TW 200620674A
Authority
TW
Taiwan
Prior art keywords
tft array
voltage
retention capacitor
constituted
structural material
Prior art date
Application number
TW094125004A
Other languages
English (en)
Inventor
Kiyoshi Chikamatsu
Kayoko Tajima
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 TW200620674A publication Critical patent/TW200620674A/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
    • G09G3/006—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
    • G09G3/22—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]
    • G09G3/3225—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 an active matrix
    • G09G3/3233—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 an active matrix with pixel circuitry controlling the current through the light-emitting element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
    • H01L22/10—Measuring as part of the manufacturing process
    • H01L22/14—Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
    • G09G2300/0809—Several active elements per pixel in active matrix panels
    • G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
    • 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
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Thin Film Transistor (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
TW094125004A 2004-09-01 2005-07-22 Method and apparatus for testing TFT array TW200620674A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004254122A JP2006073712A (ja) 2004-09-01 2004-09-01 Ｔｆｔアレイ試験方法および試験装置

Publications (1)

Publication Number Publication Date
TW200620674A true TW200620674A (en) 2006-06-16

Family

ID=35943788

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094125004A TW200620674A (en) 2004-09-01 2005-07-22 Method and apparatus for testing TFT array

Country Status (5)

Country Link
US (1) US7029934B2 (zh)
JP (1) JP2006073712A (zh)
KR (1) KR20060050879A (zh)
CN (1) CN1743858A (zh)
TW (1) TW200620674A (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7911236B2 (en) * 2006-11-22 2011-03-22 Intel Mobile Communications GmbH Detection circuit and detection method
JP2009092965A (ja) * 2007-10-10 2009-04-30 Eastman Kodak Co 表示パネルの不良検出方法および表示パネル
CN101677094B (zh) * 2008-09-17 2011-06-29 北京京东方光电科技有限公司 Tft性能测试装置及其制造方法和tft性能测试方法
US8214105B2 (en) * 2009-08-21 2012-07-03 Metra Electronics Corporation Methods and systems for automatic detection of steering wheel control signals
CN103426369B (zh) * 2013-08-27 2015-11-11 京东方科技集团股份有限公司 显示屏
CN104536169B (zh) 2014-12-31 2018-01-12 深圳市华星光电技术有限公司 一种用于获取阵列基板中电容容值的结构体及方法
CN116794866B (zh) * 2023-06-29 2024-05-10 京东方科技集团股份有限公司 显示面板、显示装置及母板

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179345A (en) * 1989-12-13 1993-01-12 International Business Machines Corporation Method and apparatus for analog testing
US5866444A (en) * 1995-03-21 1999-02-02 Semiconductor Energy Laboratory Co. Integrated circuit and method of fabricating the same
JP2001338957A (ja) * 2000-05-26 2001-12-07 Sony Corp 強誘電体キャパシタの評価方法および評価素子を搭載したウエハ
JP3437152B2 (ja) * 2000-07-28 2003-08-18 ウインテスト株式会社 有機ｅｌディスプレイの評価装置および評価方法
JP3701924B2 (ja) * 2002-03-29 2005-10-05 インターナショナル・ビジネス・マシーンズ・コーポレーション Ｅｌアレイ基板の検査方法及びその検査装置
JP3527726B2 (ja) * 2002-05-21 2004-05-17 ウインテスト株式会社 アクティブマトリクス基板の検査方法及び検査装置
JP3879668B2 (ja) * 2003-01-21 2007-02-14 ソニー株式会社 液晶表示装置とその検査方法
JP2005242003A (ja) * 2004-02-26 2005-09-08 Agilent Technol Inc Ｔｆｔアレイおよびその試験方法、試験装置

Also Published As

Publication number Publication date
CN1743858A (zh) 2006-03-08
JP2006073712A (ja) 2006-03-16
KR20060050879A (ko) 2006-05-19
US20060046324A1 (en) 2006-03-02
US7029934B2 (en) 2006-04-18

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