JP4805587B2 - 液晶表示装置とその製造方法 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims description 25
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- 230000015572 biosynthetic process Effects 0.000 claims description 23
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- 229910001316 Ag alloy Inorganic materials 0.000 claims description 2
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 1
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
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- 150000004706 metal oxides Chemical class 0.000 description 1
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Images
Classifications
-
- 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
- G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
-
- 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
- G02F1/136236—Active matrix addressed cells for reducing the number of lithographic steps using a grey or half tone lithographic process
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6704—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device
- H10D30/6723—Thin-film transistors [TFT] having supplementary regions or layers in the thin films or in the insulated bulk substrates for controlling properties of the device having light shields
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
- H10D86/021—Manufacture or treatment of multiple TFTs
- H10D86/0231—Manufacture or treatment of multiple TFTs using masks, e.g. half-tone masks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/441—Interconnections, e.g. scanning lines
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/40—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
- H10D86/60—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Thin Film Transistor (AREA)
Description
一主面上に少なくとも絶縁ゲート型トランジスタと、前記絶縁ゲート型トランジスタのゲート電極も兼ねる走査線とソース配線も兼ねる信号線と、ドレイン配線に接続された絵素電極を有する単位絵素が二次元のマトリクスに配列された第1の透明性絶縁基板と、前記第1の透明性絶縁基板と対向する第2の透明性絶縁基板またはカラーフィルタとの間に液晶を充填してなる液晶表示装置において、コンタクトホール形成工程で、少なくとも、
第1の透明性絶縁基板の一主面上に走査線と、絶縁ゲート型トランジスタと、信号線を形成し、
その上に感光性有機絶縁膜を塗布して表面が平坦な電気絶縁膜を形成し、
コンタクト形成領域を白、絵素電極形成領域を黒、絵素電極の周囲は光源からの照射光を位相シフトさせて通過させる中間調領域とする位相シフトフォトマスクを用いて、前記感光性有機絶縁膜を露光・現像し、
前記感光性有機絶縁膜には、前記ドレイン配線及び走査線の端子部までに達する開口部を形成するとともに、絵素電極同士と電極端子同士を分離する部分である走査線―信号線交差部、TFT部、及び走査線端子部の両側に該当する領域に前記感光性有機絶縁層の底まで届かない幅の細い溝を一つの単位絵素において複数本並列して形成し、
前記感光性有機絶縁層上に絵素電極となる導電膜を被着することを特徴とする。
Claims (5)
- 一主面上に少なくとも絶縁ゲート型トランジスタと、前記絶縁ゲート型トランジスタのゲート電極も兼ねる走査線とソース配線も兼ねる信号線と、ドレイン配線に接続された絵素電極を有する単位絵素が二次元のマトリクスに配列された第1の透明性絶縁基板と、前記第1の透明性絶縁基板と対向する第2の透明性絶縁基板またはカラーフィルタとの間に液晶を充填してなる液晶表示装置において、少なくとも、
第1の透明性絶縁基板の一主面上に走査線と、絶縁ゲート型トランジスタと、信号線が形成され、その上に感光性有機絶縁層であるパシベーション絶縁層が形成され、
前記感光性有機絶縁層には、前記ドレイン配線及び走査線の端子部までに達する開口部が形成されるとともに、絵素電極同士と電極端子同士を分離する部分である走査線―信号線交差部、TFT部、及び走査線端子部の両側に該当する領域に前記感光性有機絶縁層の底まで届かない幅の細い溝が一つの単位絵素において複数本並列して形成され、
前記感光性有機絶縁層上に絵素電極となる導電膜が被着されていることを特徴とする液晶表示装置。 - 一主面上に少なくとも絶縁ゲート型トランジスタと、前記絶縁ゲート型トランジスタのゲート電極も兼ねる走査線とソース配線も兼ねる信号線と、ドレイン配線に接続された絵素電極を有する単位絵素が二次元のマトリクスに配列された第1の透明性絶縁基板と、前記第1の透明性絶縁基板と対向する第2の透明性絶縁基板またはカラーフィルタとの間に液晶を充填してなる液晶表示装置の作製に当たりコンタクトホール形成工程で、少なくとも、
第1の透明性絶縁基板の一主面上に走査線と、絶縁ゲート型トランジスタと、信号線を形成し、
その上に感光性有機絶縁膜を塗布して表面が平坦な電気絶縁膜を形成し、
コンタクト形成領域を白、絵素電極形成領域を黒、絵素電極の周囲は光源からの照射光を位相シフトさせて通過させる中間調領域とする位相シフトフォトマスクを用いて、前記感光性有機絶縁膜を露光・現像し、
前記感光性有機絶縁膜には、前記ドレイン配線及び走査線の端子部までに達する開口部を形成するとともに、絵素電極同士と電極端子同士を分離する部分である走査線―信号線交差部、TFT部、及び走査線端子部の両側に該当する領域に前記感光性有機絶縁層の底まで届かない幅の細い溝を一つの単位絵素において複数本並列して形成し、
前記感光性有機絶縁層上に絵素電極となる導電膜を被着することを特徴とする液晶表示装置の製造方法。 - 絵素電極用導電膜としてITOまたはIZOあるいはこれらの混晶体をスパッタで形成することを特徴とする請求項2に記載の液晶表示装置の製造方法。
- 絵素電極用導電膜としてITO、IZO、IN2O3、ZnO等の透明導電性粉体を少なくとも一つ以上分散させた塗布膜を用いて、加熱処理により安定化させることを特徴とする請求項2に記載の液晶表示装置の製造方法。
- 絵素電極用導電膜としてAL及びAL合金、または銀及び銀合金等の高反射率金属をスパッタで形成することを特徴とする請求項2に記載の液晶表示装置の製造方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005048251A JP4805587B2 (ja) | 2005-02-24 | 2005-02-24 | 液晶表示装置とその製造方法 |
| TW094133477A TWI279007B (en) | 2005-02-24 | 2005-09-27 | Liquid crystal display device and method for manufacturing the same |
| CNB2005101285983A CN100385328C (zh) | 2005-02-24 | 2005-11-29 | 液晶显示装置及其制造方法 |
| US11/351,488 US7553707B2 (en) | 2005-02-24 | 2006-02-09 | Method for manufacturing a Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005048251A JP4805587B2 (ja) | 2005-02-24 | 2005-02-24 | 液晶表示装置とその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006235134A JP2006235134A (ja) | 2006-09-07 |
| JP4805587B2 true JP4805587B2 (ja) | 2011-11-02 |
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| Country | Link |
|---|---|
| US (1) | US7553707B2 (ja) |
| JP (1) | JP4805587B2 (ja) |
| CN (1) | CN100385328C (ja) |
| TW (1) | TWI279007B (ja) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7696079B2 (en) * | 2005-09-27 | 2010-04-13 | Chunghwa Picture Tubes, Ltd. | Methods for patterning films, fabricating organic electroluminescence display and fabricating thin film transistor array substrate |
| KR101477262B1 (ko) * | 2005-12-28 | 2014-12-29 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 반도체장치 제조방법 |
| TWI330276B (en) * | 2006-04-25 | 2010-09-11 | Au Optronics Corp | Active device array substrate and fabricating method thereof |
| CN100419556C (zh) * | 2006-09-13 | 2008-09-17 | 友达光电股份有限公司 | 液晶显示面板及其主动元件阵列基板 |
| JP4956122B2 (ja) * | 2006-09-27 | 2012-06-20 | 東芝マイクロエレクトロニクス株式会社 | 多重露光フォトマスク及びそのレイアウト方法、多重露光フォトマスクを用いた半導体装置の製造方法 |
| TWI329232B (en) * | 2006-11-10 | 2010-08-21 | Au Optronics Corp | Pixel structure and fabrication method thereof |
| US9645457B2 (en) | 2006-11-22 | 2017-05-09 | Mitsubishi Electric Corporation | Array substrate, display device, and method for manufacturing the array substrate |
| JP5458486B2 (ja) * | 2006-11-22 | 2014-04-02 | 三菱電機株式会社 | アレイ基板、表示装置、及びその製造方法 |
| US7521298B2 (en) * | 2006-11-25 | 2009-04-21 | Wintec Corporation | Thin film transistor array panel of active liquid crystal display and fabrication method thereof |
| TWI332266B (en) * | 2007-08-31 | 2010-10-21 | Au Optronics Corp | Method for manufacturing a pixel structure of a liquid crystal display |
| JP5215617B2 (ja) * | 2007-09-04 | 2013-06-19 | 株式会社ジャパンディスプレイイースト | 液晶表示装置 |
| WO2009129391A2 (en) * | 2008-04-17 | 2009-10-22 | Applied Materials, Inc. | Low temperature thin film transistor process, device property, and device stability improvement |
| EP2320433B1 (en) * | 2008-08-22 | 2013-04-24 | Hitachi Chemical Company, Ltd. | Method of forming a conductive pattern |
| WO2011013407A1 (ja) * | 2009-07-31 | 2011-02-03 | シャープ株式会社 | マトリクス基板、その製造方法及び表示装置 |
| KR101233348B1 (ko) * | 2010-06-09 | 2013-02-14 | 삼성디스플레이 주식회사 | 표시 장치 및 그 제조 방법 |
| JP5771377B2 (ja) * | 2010-10-05 | 2015-08-26 | 株式会社ジャパンディスプレイ | 表示装置の製造方法 |
| KR101775726B1 (ko) * | 2010-11-26 | 2017-09-07 | 엘지디스플레이 주식회사 | 액정표시장치 제조방법 |
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| US20060186409A1 (en) | 2006-08-24 |
| US7553707B2 (en) | 2009-06-30 |
| CN100385328C (zh) | 2008-04-30 |
| TW200637008A (en) | 2006-10-16 |
| CN1773356A (zh) | 2006-05-17 |
| JP2006235134A (ja) | 2006-09-07 |
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