JP5351268B2 - アクティブマトリクス基板、表示パネル及びそれらの検査方法 - Google Patents
アクティブマトリクス基板、表示パネル及びそれらの検査方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 89
- 239000011159 matrix material Substances 0.000 title claims abstract description 60
- 238000007689 inspection Methods 0.000 title claims description 52
- 238000000034 method Methods 0.000 title claims description 17
- 239000010409 thin film Substances 0.000 claims abstract description 87
- 230000005611 electricity Effects 0.000 claims description 19
- 230000003068 static effect Effects 0.000 claims description 19
- 238000005401 electroluminescence Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 description 16
- 238000000926 separation method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 238000012805 post-processing Methods 0.000 description 10
- 239000004973 liquid crystal related substance Substances 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
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- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 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
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- 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
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- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
- H01L27/0296—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices involving a specific disposition of the protective devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
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- 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
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
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- 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
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/69—Arrangements or methods for testing or calibrating a device
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- 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
- G09G2330/04—Display protection
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- Condensed Matter Physics & Semiconductors (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
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- Thin Film Transistor (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
本実施の形態におけるアクティブマトリクス基板は、基板上に配置された複数のゲート配線と、当該複数のゲート配線と直交する方向に配置された複数のソース配線と、基板の周縁領域に配置されたゲート側ショートリング及びソース側ショートリングと、ゲート配線とゲート側ショートリングとの間に配置されたデプレッション型のゲート配線側TFTと、ソース配線とソース側ショートリングとの間に配置されたデプレッション型のソース配線側TFTとを含み、全てのソース配線側TFTのゲート電極は、ゲート側ショートリングに接続されている。
11、505 ゲート配線
12、504 ソース配線
13 ゲート側ショートリング
14 ソース側ショートリング
15 ゲート配線側TFT
16 ソース配線側TFT
17 負荷用TFT
18 セパレート用TFT
19 検査用端子
30 発光画素
111〜11m ゲートドライバ用端子
121〜12n ソースドライバ用端子
201、202 接地用端子
501 アレイ基板
502 対向基板
503 表示領域
506、507 検査用信号電圧入力端子
508 ショートリング
509 デプレッション型TFT
510 配線
511 ゲート電圧入力端子
512 分断ライン
Claims (8)
- 基板と、
前記基板上に配置された複数のゲート配線と、
前記基板上であって、前記複数のゲート配線のそれぞれと直交する方向に配置された複数のソース配線と、
前記基板の周縁領域に配置され、前記複数のゲート配線の短絡先であるゲート配線側短絡線と、
前記基板の周縁領域に配置され、前記複数のソース配線の短絡先であるソース配線側短絡線と、
ソース電極及びドレイン電極の一方が前記複数のゲート配線の一つに持続され、ソース電極及びドレイン電極の他方が前記ゲート配線側短絡線に接続され、ゲート配線ごとに設けられたゲート配線側薄膜トランジスタと、
ソース電極及びドレイン電極の一方が前記複数のソース配線の一つに接続され、ソース電極及びドレイン電極の他方が前記ソース配線側短絡緑に接続され、ソース配線ごとに設けられたソース配線側薄膜トランジスタと、
を含み、
全ての前記ゲート配線側薄膜トランジスタ及び全ての前記ソース配線側薄膜トランジスタは、デプレッション型であって、
全ての前記ソース配線側薄膜トランジスタのゲート電極は、前記ゲート配線側短絡線に接続されている、
アクティブマトリクス基板。 - さらに、全ての前記ソース配線側薄膜トランジスタのゲート電極と、前記ゲート配線側短絡線との間には、ソース電極とゲート電極とが短絡され、前記ゲート配線側短絡線の電位を全ての前記ソース配線側薄膜トランジスタのゲート電極の電位に設定するための負荷用薄膜トランジスタが挿入され、
全ての前記ゲート配線側薄膜トランジスタのゲート電極は、全ての前記ソース配線側薄膜トランジスタのゲート電極と接続されている、
請求項1に記載のアクティブマトリクス基板。 - さらに、ソース電極及びドレイン電極の一方が前記ゲート配線側短絡線に接続され、ソース電極及びドレイン電極の他方が前記ソース配線側短絡線に接続され、ゲート電極が前記ソース配線側薄膜トランジスタのゲート電極に接続され、前記ゲート配線側短絡線の電位を前記ソース配線側短絡線の電位と独立させることが可能なセパレート用薄膜トランジスタを備える、
請求項1に記載のアクティブマトリクス基板。 - 前記ゲート配線側短絡線の電位は、
前記複数のゲート配線に走査信号電圧が供給されていない期間には、
前記ソース配線側短絡線と同電位に設定され、
前記複数のゲート配線に走査信号電圧が供給されている期間には、前記走査信号電圧により決定され、前記ソース配線側短絡線とは独立した電位に設定される、
請求項3に記載のアクティブマトリクス基板。 - 請求項1〜4のいずれか1項に記載のアクティブマトリクス基板と、前記アクティブマトリクス基板における、前記複数のゲート配線と前記複数のソース配線との交差部に配置された発光画素とを含む、
表示パネル。 - 前記発光画素は、有機エレクトロルミネッセンス素子を含む、
請求項5に記載の表示パネル。 - 請求項5または6に記載の表示パネルの検査方法であって、
前記ゲート配線側短絡線から全ての前記ソース配線側薄膜トランジスタのゲート電極に負電圧が印加されることにより、全ての前記ソース配線側薄膜トランジスタを非導通状態にして発光画素の回路動作を試みる画素回路動作ステップと、
前記画素回路動作ステップで試みた回路動作の結果により、発光画素の回路素子を検査する検査ステップとを含む、
表示パネルの検査方法。 - 前記ゲート配線側短絡線から全ての前記ソース配線側薄膜トランジスタのゲート電極及び全ての前記ゲート配線側薄膜トランジスタのゲート電極に0または正電圧が印加されることにより、全ての前記ソース配線側薄膜トランジスタ及び全ての前記ゲート配線側薄膜トランジスタを導通状態にして、前記複数のソース配線及び前記複数のゲート配線に接続された発光画素の回路素子を静電気から保護する、
請求項7に記載の表示パネルの検査方法。
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PCT/JP2010/000055 WO2011083509A1 (ja) | 2010-01-06 | 2010-01-06 | アクティブマトリクス基板、表示パネル及びそれらの検査方法 |
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JP (1) | JP5351268B2 (ja) |
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CN (1) | CN102257547B (ja) |
WO (1) | WO2011083509A1 (ja) |
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Also Published As
Publication number | Publication date |
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CN102257547A (zh) | 2011-11-23 |
US9000796B2 (en) | 2015-04-07 |
US20120056186A1 (en) | 2012-03-08 |
KR20120101277A (ko) | 2012-09-13 |
CN102257547B (zh) | 2014-07-23 |
WO2011083509A1 (ja) | 2011-07-14 |
JPWO2011083509A1 (ja) | 2013-05-13 |
KR101586522B1 (ko) | 2016-01-18 |
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