JP4333574B2 - 液晶表示装置ならびにその製造方法 - Google Patents
液晶表示装置ならびにその製造方法 Download PDFInfo
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- JP4333574B2 JP4333574B2 JP2004365304A JP2004365304A JP4333574B2 JP 4333574 B2 JP4333574 B2 JP 4333574B2 JP 2004365304 A JP2004365304 A JP 2004365304A JP 2004365304 A JP2004365304 A JP 2004365304A JP 4333574 B2 JP4333574 B2 JP 4333574B2
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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
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
-
- 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
- G02F1/1316—Methods for cleaning the liquid crystal cells, or components thereof, during manufacture: Materials therefor
-
- 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
- G02F1/133388—Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
-
- 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
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136231—Active matrix addressed cells for reducing the number of lithographic steps
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
Description
液晶表示装置の製造方法に本発明を採用した一例を以下に説明する。図1は本発明の実施の形態1に係る製造方法によって製造された液晶表示装置の平面図を表している。図1に記載の液晶表示装置1において、第一の基板3(以下TFTアレイ基板と称する)は、ガラス基板42、表示領域2、障壁6で構成されている。前記表示領域2は前記ガラス基板42上に形成されたゲート線4とソース線5で区切られた画素部およびそれを駆動するTFTアレイでマトリックス状に構成されており、前記表示領域2を周回する障壁6と、図示しない液晶を封止するためのシール7で囲まれている。また前記TFTアレイ基板3と図示しない第二の基板(以下対向基板と称する)は、シール7によって適切な間隙を持って液晶を狭持している。
上記実施の形態1においては、図9のレジスト26の形状および図3の断面構造から明らかなように、障壁6の側面は、ゲート層20、半導体層22、ソース/ドレイン層23など金属層が露出している。
図15の障壁6の断面図に示した通り、障壁6の側壁面にゲート絶縁膜21と保護膜24を残した構造にすることにより、腐食耐性を向上することができる。これは、図16のレジスト26の形状に示した通り障壁6の上部のレジストで覆われた区域を広げることにより容易に実現することができる。その他のTFT17や障壁6の製造工程や、図12に示したブラシ洗浄工程の様子は実施の形態1と同様であり、その他の製造工程の説明はこれを省略する。
図17に、一枚のガラス基板42よりなるTFTアレイ基板を複数の表示領域で区分してTFTアレイを一括形成し、パネル工程が完了した後に分断して複数の液晶表示装置を得る方法において、前記障壁6を形成して、異物を捕捉する実施の形態を示す。同図において表示領域2は一枚のガラス基板42に4面割り付けられており、予め決められた複数の縦切断線40および横切断線41でTFTアレイ基板および対向基板を分断すれば、同一仕様の液晶表示装置を複数組み立てることができる。
Claims (7)
- マトリクス状の表示領域内にTFTアレイとこのTFTアレイに駆動され画素部を構成する導電膜を有する第一の基板に、第二の基板が間隙を有して貼り合わされ、前記間隙中に液晶を狭持してなる液晶表示装置において、前記第一の基板上であって前記表示領域の外縁領域の少なくとも一部に前記TFTアレイを構成する複数の材料と同一の材料により形成された障壁を備え、
該障壁は前記表示領域の外縁領域と比べて段差を有することを特徴とする液晶表示装置。 - 前記障壁を構成する材料として、前記導電膜を含まないことを特徴とする請求項1に記載の液晶表示装置。
- 前記障壁は側壁面にゲート絶縁膜または保護膜を有することを特徴とする請求項1または2に記載の液晶表示装置。
- ガラス基板面から前記障壁上の配向膜面の高さは、前記表示領域の配向膜面の平均高さより高く形成されたこと特徴とする請求項1ないし3のいずれか一項に記載の液晶表示装置。
- 区分された複数のマトリクス状の表示領域を備えた前記第一の基板に、前記各表示領域を区分する境界に前記障壁を形成したことを特徴とする請求項1ないし4のいずれか一項に記載の液晶表示装置。
- 前記第一の基板は、前記表示領域の外側に配置する液晶駆動回路を接続する端子部領域と前記表示領域との間に位置し、かつ前記TFTアレイの隣り合うゲート駆動用配線の間隙または隣り合うソース駆動用配線の間隙の少なくとも一方に前記障壁を形成したことを特徴とする請求項1ないし4のいずれか一項に記載の液晶表示装置。
- 請求項1から6のいずれか一項に記載の液晶表示装置の製造方法において、前記TFTのソースまたはドレイン電極と前記画素部とを接続するコンタクトホールを形成すると同時に、前記障壁の外形をエッチングするコンタクトホール形成工程を有することを特徴とする液晶表示装置の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004365304A JP4333574B2 (ja) | 2004-12-17 | 2004-12-17 | 液晶表示装置ならびにその製造方法 |
TW094133736A TWI283485B (en) | 2004-12-17 | 2005-09-28 | Method of manufacturing liquid crystal display and liquid crystal display manufactured by the method |
US11/256,985 US7751008B2 (en) | 2004-12-17 | 2005-10-25 | Liquid crystal display and method of manufacturing a liquid crystal display with a barrier formed of TFT materials |
KR1020050124465A KR100803708B1 (ko) | 2004-12-17 | 2005-12-16 | 액정표시장치의 제조 방법 및 그 방법에 의해 제조한액정표시장치 |
CNB200510131772XA CN100559247C (zh) | 2004-12-17 | 2005-12-16 | 液晶显示装置的制造方法及用该方法制造的液晶显示装置 |
Applications Claiming Priority (1)
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JP2004365304A JP4333574B2 (ja) | 2004-12-17 | 2004-12-17 | 液晶表示装置ならびにその製造方法 |
Publications (3)
Publication Number | Publication Date |
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JP2006171485A JP2006171485A (ja) | 2006-06-29 |
JP2006171485A5 JP2006171485A5 (ja) | 2007-03-01 |
JP4333574B2 true JP4333574B2 (ja) | 2009-09-16 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004365304A Expired - Fee Related JP4333574B2 (ja) | 2004-12-17 | 2004-12-17 | 液晶表示装置ならびにその製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7751008B2 (ja) |
JP (1) | JP4333574B2 (ja) |
KR (1) | KR100803708B1 (ja) |
CN (1) | CN100559247C (ja) |
TW (1) | TWI283485B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010072528A (ja) * | 2008-09-22 | 2010-04-02 | Hitachi Displays Ltd | 液晶表示装置 |
US10267822B2 (en) | 2013-01-31 | 2019-04-23 | Hewlett-Packard Development Company, L.P. | Sensor having particle barrier |
CN103941489B (zh) * | 2013-11-29 | 2017-02-01 | 上海中航光电子有限公司 | 液晶显示装置以及tft阵列基板的制作方法 |
JP6324098B2 (ja) * | 2014-02-06 | 2018-05-16 | 株式会社ジャパンディスプレイ | 表示装置及びその製造方法 |
CN103869546A (zh) * | 2014-03-06 | 2014-06-18 | 京东方科技集团股份有限公司 | 一种基板 |
CN104849899A (zh) * | 2015-06-03 | 2015-08-19 | 京东方科技集团股份有限公司 | 一种母板、对盒后的母板、液晶显示面板及显示装置 |
CN108139838B (zh) * | 2015-10-21 | 2021-05-28 | 富士胶片株式会社 | 透明导电膜、透明导电膜的制造方法以及触控传感器 |
WO2018062035A1 (ja) * | 2016-09-29 | 2018-04-05 | シャープ株式会社 | アクティブマトリックス基板、表示パネル、およびそれを備えた表示装置 |
JP7208863B2 (ja) * | 2019-05-29 | 2023-01-19 | シャープ株式会社 | 表示装置の製造方法、および表示装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0943629A (ja) | 1995-07-31 | 1997-02-14 | Sony Corp | 液晶表示装置 |
JPH09244043A (ja) | 1996-03-11 | 1997-09-19 | Sony Corp | 液晶表示装置 |
JP2001075113A (ja) | 1999-09-07 | 2001-03-23 | Seiko Epson Corp | 液晶装置及びその製造方法ならびにそれを用いた電子機器 |
JP3780764B2 (ja) * | 1999-09-07 | 2006-05-31 | セイコーエプソン株式会社 | 液晶装置及びそれを用いた電子機器 |
JP2002033331A (ja) | 2000-05-12 | 2002-01-31 | Semiconductor Energy Lab Co Ltd | 半導体装置及びその作製方法 |
JP2001318380A (ja) | 2000-05-12 | 2001-11-16 | Sanyo Electric Co Ltd | 液晶表示装置 |
JP4609679B2 (ja) | 2000-07-19 | 2011-01-12 | 日本電気株式会社 | 液晶表示装置 |
JP2002090749A (ja) * | 2000-09-11 | 2002-03-27 | Nec Corp | 液晶表示装置及びその製造方法 |
JP3957277B2 (ja) * | 2002-04-15 | 2007-08-15 | 株式会社アドバンスト・ディスプレイ | 液晶表示装置及びその製造方法 |
JP2004117694A (ja) | 2002-09-25 | 2004-04-15 | Seiko Epson Corp | 素子基板、対向基板、液晶パネル及びそのラビング方法 |
JP3976688B2 (ja) | 2003-02-05 | 2007-09-19 | Nec液晶テクノロジー株式会社 | 液晶表示装置及びその製造方法 |
JP4482637B2 (ja) * | 2004-04-26 | 2010-06-16 | Nec液晶テクノロジー株式会社 | 液晶表示装置 |
-
2004
- 2004-12-17 JP JP2004365304A patent/JP4333574B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-28 TW TW094133736A patent/TWI283485B/zh not_active IP Right Cessation
- 2005-10-25 US US11/256,985 patent/US7751008B2/en not_active Expired - Fee Related
- 2005-12-16 CN CNB200510131772XA patent/CN100559247C/zh not_active Expired - Fee Related
- 2005-12-16 KR KR1020050124465A patent/KR100803708B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2006171485A (ja) | 2006-06-29 |
CN1790142A (zh) | 2006-06-21 |
KR20060069327A (ko) | 2006-06-21 |
TW200623422A (en) | 2006-07-01 |
US20060132701A1 (en) | 2006-06-22 |
TWI283485B (en) | 2007-07-01 |
US7751008B2 (en) | 2010-07-06 |
KR100803708B1 (ko) | 2008-02-15 |
CN100559247C (zh) | 2009-11-11 |
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