JP2013109347A - Ffs方式液晶表示装置用アレイ基板及びその製造方法 - Google Patents
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 72
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
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- 239000010409 thin film Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 48
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- 238000002834 transmittance Methods 0.000 abstract description 16
- 229910021417 amorphous silicon Inorganic materials 0.000 description 23
- 229910052751 metal Inorganic materials 0.000 description 20
- 239000002184 metal Substances 0.000 description 20
- 239000004020 conductor Substances 0.000 description 15
- 239000011159 matrix material Substances 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 10
- 239000010949 copper Substances 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- ZPZCREMGFMRIRR-UHFFFAOYSA-N molybdenum titanium Chemical compound [Ti].[Mo] ZPZCREMGFMRIRR-UHFFFAOYSA-N 0.000 description 8
- 230000005684 electric field Effects 0.000 description 7
- 238000005530 etching Methods 0.000 description 7
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- 238000000206 photolithography Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- -1 MoW) Chemical class 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910004205 SiNX Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
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- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000013077 target material Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000010287 polarization Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- 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
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- 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
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- 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
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- H10D86/451—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 characterised by the compositions or shapes of the interlayer dielectrics
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- 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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- 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
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Abstract
【解決手段】ゲート配線とデータ配線113aとの交差地点に形成された薄膜トランジスタTと、薄膜トランジスタTを含む基板101全面に形成され、薄膜トランジスタTを露出する開口部を備えた有機絶縁膜117の上部に形成された大面積の共通電極123aと、開口部から薄膜トランジスタTに接続された補助電極パターン123cと、共通電極123a及び補助電極パターン123cを含む基板101全面に形成され、薄膜トランジスタTに接続された補助電極パターン123cを露出するパッシベーション膜127の上部に形成され、露出した補助電極パターン123cを介して薄膜トランジスタTに電気的に接続され、共通電極123aとオーバーラップする複数の画素電極133aとを含む。
【選択図】図3
Description
103 ゲート配線
103a ゲート電極
107 ゲート絶縁膜
109a アクティブ層
111a オーミックコンタクト層
113a データ配線
113b ソース電極
113c ドレイン電極
117 有機絶縁膜
121 開口部
123a 共通電極
123b ダミーパターン
123c 補助電極パターン
116 第1パッシベーション膜
127 第2パッシベーション膜
131a 画素電極コンタクトホール
131b 共通電極コンタクトホール
131c 共通配線コンタクトホール
133a 画素電極
133b 共通接続パターン
141 上部基板
143 ブラックマトリクス
145 カラーフィルタ層
147 柱状スペーサ
151 液晶層
Claims (12)
- 基板の一面に一方向に形成されたゲート配線と、
前記ゲート配線と交差して画素領域を定義するデータ配線と、
前記ゲート配線と前記データ配線との交差地点に形成された薄膜トランジスタと、
前記薄膜トランジスタを含む基板全面に形成され、前記薄膜トランジスタを露出する開口部を備えた有機絶縁膜と、
前記有機絶縁膜の上部に形成された大面積の共通電極と、
前記有機絶縁膜の上部に形成され、前記開口部から前記薄膜トランジスタに接続された補助電極パターンと、
前記共通電極及び前記補助電極パターンを含む基板全面に形成され、前記薄膜トランジスタに接続された補助電極パターンを露出するパッシベーション膜と、
前記パッシベーション膜の上部に形成され、前記露出した補助電極パターンを介して前記薄膜トランジスタに電気的に接続され、前記共通電極とオーバーラップする複数の画素電極と
を含むことを特徴とする液晶表示装置用アレイ基板。 - 前記開口部は、前記有機絶縁膜内に形成され、前記薄膜トランジスタの上部にオーバーラップしていることを特徴とする請求項1に記載の液晶表示装置用アレイ基板。
- 前記画素電極は、前記補助電極パターン及び前記ドレイン電極に電気的に接続されていることを特徴とする請求項1に記載の液晶表示装置用アレイ基板。
- 前記基板に前記ゲート配線と平行に配置された共通配線をさらに含むことを特徴とする請求項1に記載の液晶表示装置用アレイ基板。
- 前記パッシベーション膜の上部に形成され、前記共通配線と前記共通電極とを接続する共通接続パターンをさらに含むことを特徴とする請求項4に記載の液晶表示装置用アレイ基板。
- 前記ゲート配線と前記データ配線とが交差して形成される画素領域に形成されたカラーフィルタ層をさらに含むことを特徴とする請求項1に記載の液晶表示装置用アレイ基板。
- 基板の一面に一方向にゲート配線を形成する段階と、
前記ゲート配線と交差して画素領域を定義するデータ配線を形成する段階と、
前記ゲート配線と前記データ配線との交差地点に薄膜トランジスタを形成する段階と、
前記薄膜トランジスタを含む基板全面に前記薄膜トランジスタを露出する開口部を備えた有機絶縁膜を形成する段階と、
前記有機絶縁膜の上部に、大面積の共通電極、及び前記開口部から前記薄膜トランジスタに接続される補助電極パターンを形成する段階と、
前記共通電極及び前記補助電極パターンを含む基板全面に前記薄膜トランジスタに接続された補助電極パターンを露出するパッシベーション膜を形成する段階と、
前記パッシベーション膜の上部に、前記露出した補助電極パターンを介して前記薄膜トランジスタに電気的に接続され、前記共通電極とオーバーラップする複数の画素電極を形成する段階と
を含むことを特徴とする液晶表示装置用アレイ基板の製造方法。 - 前記開口部は、前記有機絶縁膜内に形成され、前記薄膜トランジスタの上部にオーバーラップしていることを特徴とする請求項7に記載の液晶表示装置用アレイ基板の製造方法。
- 前記画素電極は、前記補助電極パターン及び前記ドレイン電極に電気的に接続されていることを特徴とする請求項7に記載の液晶表示装置用アレイ基板の製造方法。
- 前記ゲート配線を形成する際に、前記ゲート配線と平行に共通配線を形成することを特徴とする請求項7に記載の液晶表示装置用アレイ基板の製造方法。
- 前記画素電極を形成する際に、前記パッシベーション膜の上部に前記共通配線と前記共通電極とを接続する共通接続パターンを形成することを特徴とする請求項10に記載の液晶表示装置用アレイ基板の製造方法。
- 前記ゲート配線と前記データ配線とが交差して形成される画素領域にカラーフィルタ層を形成する段階をさらに含むことを特徴とする請求項7に記載の液晶表示装置用アレイ基板の製造方法。
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JP2015014790A (ja) * | 2013-07-03 | 2015-01-22 | 三星ディスプレイ株式會社Samsung Display Co.,Ltd. | 液晶表示装置 |
JP2015099201A (ja) * | 2013-11-18 | 2015-05-28 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
JP2015099287A (ja) * | 2013-11-20 | 2015-05-28 | 三菱電機株式会社 | 液晶表示パネルおよび液晶表示パネルの製造方法 |
JP2020008887A (ja) * | 2019-10-21 | 2020-01-16 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
US10797086B2 (en) | 2017-12-04 | 2020-10-06 | Mitsubishi Electric Corporation | Liquid crystal display panel and method of manufacturing the same |
US11927860B2 (en) | 2021-04-23 | 2024-03-12 | Sharp Display Technology Corporation | Active matrix substrate, method for manufacturing active matrix substrate, and liquid crystal display device with touch sensor using active matrix substrate |
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TW201321872A (zh) | 2013-06-01 |
US8852975B2 (en) | 2014-10-07 |
JP5589051B2 (ja) | 2014-09-10 |
CN103123429A (zh) | 2013-05-29 |
TWI579624B (zh) | 2017-04-21 |
US20130126876A1 (en) | 2013-05-23 |
US9190423B2 (en) | 2015-11-17 |
CN103123429B (zh) | 2016-04-13 |
KR20130054780A (ko) | 2013-05-27 |
KR101905757B1 (ko) | 2018-10-10 |
US20150001541A1 (en) | 2015-01-01 |
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