JP2012003165A - 液晶表示素子 - Google Patents
液晶表示素子 Download PDFInfo
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- JP2012003165A JP2012003165A JP2010140079A JP2010140079A JP2012003165A JP 2012003165 A JP2012003165 A JP 2012003165A JP 2010140079 A JP2010140079 A JP 2010140079A JP 2010140079 A JP2010140079 A JP 2010140079A JP 2012003165 A JP2012003165 A JP 2012003165A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 26
- 239000010409 thin film Substances 0.000 claims abstract description 55
- 239000004065 semiconductor Substances 0.000 claims abstract description 30
- 238000005530 etching Methods 0.000 claims abstract description 29
- 230000002265 prevention Effects 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 239000011810 insulating material Substances 0.000 claims abstract description 12
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 description 37
- 229920002120 photoresistant polymer Polymers 0.000 description 33
- 239000010408 film Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 14
- 230000015572 biosynthetic process Effects 0.000 description 12
- 229910052581 Si3N4 Inorganic materials 0.000 description 10
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 7
- 229910052804 chromium Inorganic materials 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 239000011733 molybdenum Substances 0.000 description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 229910010272 inorganic material Inorganic materials 0.000 description 3
- 239000011147 inorganic material Substances 0.000 description 3
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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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
- G02F1/136—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
- G02F1/136209—Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1255—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs integrated with passive devices, e.g. auxiliary capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78606—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device
- H01L29/78633—Thin film transistors, i.e. transistors with a channel being at least partly a thin film with supplementary region or layer in the thin film or in the insulated bulk substrate supporting it for controlling or increasing the safety of the device with a light shield
-
- 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
- G02F1/136213—Storage capacitors associated with the pixel electrode
-
- 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
- G02F1/136218—Shield electrodes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Ceramic Engineering (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
Abstract
【解決手段】薄膜トランジスタ8の上層側に金属からなる補助容量電極11が前記薄膜トランジスタ8と重なるように配置された液晶表示素子であって、前記薄膜トランジスタ8は、半導体層21上に該半導体層21に接するように配置された絶縁性材料からなるエッチング防止層24と、前記エッチング防止層24との間に前記半導体層21が介在するように配置されたゲート電極Gと、を有し、前記薄膜トランジスタ8の前記ゲート電極Gと重なる領域における前記補助容量電極11は、前記薄膜トランジスタ8におけるチャネル長方向に沿う方向の長さが、前記ゲート電極Gの前記方向の長さよりも短く且つ前記エッチング防止層24の前記方向の長さよりも長く形成されている。
【選択図】 図4
Description
図1(a)及び図1(b)に示すように、アクティブマトリクス型の液晶表示素子1は、第1の基板2と第2の基板3とが互いに対向するように配置されている。第1の基板2と第2の基板3は、枠形状に形成されたシール材4により貼りあわされている。また、第1の基板2と第2の基板3との間には、シール材4に囲まれた領域に液晶が充填されることにより、液晶層5が形成されている。そして、液晶表示素子1は、表示領域6に、複数の表示画素がマトリクス状に配列されている。
Claims (3)
- 薄膜トランジスタの上層側に金属からなる補助容量電極が前記薄膜トランジスタと重なるように配置された液晶表示素子であって、
前記薄膜トランジスタは、半導体層上に該半導体層に接するように配置された絶縁性材料からなるエッチング防止層と、前記エッチング防止層との間に前記半導体層が介在するように配置されたゲート電極と、を有し、
前記薄膜トランジスタの前記ゲート電極と重なる領域における前記補助容量電極は、前記薄膜トランジスタにおけるチャネル長方向に沿う方向の長さが、前記ゲート電極の前記方向の長さよりも短く且つ前記エッチング防止層の前記方向の長さよりも長く形成されていることを特徴とする液晶表示素子。 - 前記ゲート電極と前記エッチング防止層と前記補助容量電極は、前記薄膜トランジスタに対応する領域では、互いのエッジ間距離が、前記チャネル長方向に沿う方向において対称になるように配置されていることを特徴とする請求項1に記載の液晶表示素子。
- 前記補助容量電極は、前記薄膜トランジスタのソース電極またはドレイン電極として成膜された導電層と画素電極として成膜された導電層との間の層として形成されていることを特徴とする請求項2に記載の液晶表示素子。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010140079A JP5418421B2 (ja) | 2010-06-21 | 2010-06-21 | 液晶表示素子 |
US13/159,669 US8395717B2 (en) | 2010-06-21 | 2011-06-14 | Liquid crystal display apparatus |
CN201110167250.0A CN102289118B (zh) | 2010-06-21 | 2011-06-21 | 液晶显示元件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010140079A JP5418421B2 (ja) | 2010-06-21 | 2010-06-21 | 液晶表示素子 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012003165A true JP2012003165A (ja) | 2012-01-05 |
JP2012003165A5 JP2012003165A5 (ja) | 2012-11-15 |
JP5418421B2 JP5418421B2 (ja) | 2014-02-19 |
Family
ID=45328354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010140079A Expired - Fee Related JP5418421B2 (ja) | 2010-06-21 | 2010-06-21 | 液晶表示素子 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8395717B2 (ja) |
JP (1) | JP5418421B2 (ja) |
CN (1) | CN102289118B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021161659A1 (ja) * | 2020-02-14 | 2021-08-19 | 株式会社ジャパンディスプレイ | 表示装置及び表示装置用アレイ基板 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI518915B (zh) | 2012-03-30 | 2016-01-21 | 群康科技(深圳)有限公司 | 陣列基板結構與顯示面板及其製造方法 |
CN103365005A (zh) * | 2012-03-30 | 2013-10-23 | 群康科技(深圳)有限公司 | 阵列基板结构、阵列基板结构的制造方法与显示面板 |
CN102751300B (zh) * | 2012-06-18 | 2014-10-15 | 北京京东方光电科技有限公司 | 一种非晶硅平板x射线传感器的制作方法 |
CN103199060B (zh) * | 2013-02-17 | 2015-06-10 | 京东方科技集团股份有限公司 | 一种薄膜晶体管阵列基板及其制作方法及显示装置 |
JP6124668B2 (ja) | 2013-04-26 | 2017-05-10 | 三菱電機株式会社 | 薄膜トランジスタ基板およびその製造方法 |
KR102081827B1 (ko) * | 2013-07-02 | 2020-04-16 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
JP2015072339A (ja) * | 2013-10-02 | 2015-04-16 | 株式会社ジャパンディスプレイ | 液晶表示装置 |
CN104865761B (zh) * | 2014-02-25 | 2018-06-08 | 群创光电股份有限公司 | 显示面板及显示装置 |
CN104062788A (zh) * | 2014-07-10 | 2014-09-24 | 信利半导体有限公司 | 像素结构、阵列基板及液晶显示面板 |
CN112599032A (zh) * | 2020-12-29 | 2021-04-02 | Oppo广东移动通信有限公司 | 显示屏、显示屏组件及电子装置 |
CN114879394B (zh) * | 2022-04-29 | 2024-04-09 | 深圳市华星光电半导体显示技术有限公司 | 一种显示面板的制造方法及显示面板 |
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JP2000180899A (ja) * | 1998-12-14 | 2000-06-30 | Nec Corp | 液晶表示装置 |
JP2005045017A (ja) * | 2003-07-22 | 2005-02-17 | Sharp Corp | アクティブマトリクス基板およびそれを備えた表示装置 |
JP2006343612A (ja) * | 2005-06-10 | 2006-12-21 | Casio Comput Co Ltd | 液晶表示装置 |
JP2008077030A (ja) * | 2006-08-24 | 2008-04-03 | Seiko Epson Corp | 電気光学装置用基板及び電気光学装置、並びに電子機器 |
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JP2010026269A (ja) * | 2008-07-19 | 2010-02-04 | Casio Comput Co Ltd | 液晶表示装置 |
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JP3145931B2 (ja) | 1996-08-26 | 2001-03-12 | 日本電気株式会社 | 薄膜トランジスタ |
JP3716651B2 (ja) | 1998-10-20 | 2005-11-16 | カシオ計算機株式会社 | 表示装置 |
JP4395612B2 (ja) | 2001-09-26 | 2010-01-13 | カシオ計算機株式会社 | 液晶表示素子 |
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-
2010
- 2010-06-21 JP JP2010140079A patent/JP5418421B2/ja not_active Expired - Fee Related
-
2011
- 2011-06-14 US US13/159,669 patent/US8395717B2/en not_active Expired - Fee Related
- 2011-06-21 CN CN201110167250.0A patent/CN102289118B/zh not_active Expired - Fee Related
Patent Citations (6)
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JP2000180899A (ja) * | 1998-12-14 | 2000-06-30 | Nec Corp | 液晶表示装置 |
JP2005045017A (ja) * | 2003-07-22 | 2005-02-17 | Sharp Corp | アクティブマトリクス基板およびそれを備えた表示装置 |
JP2006343612A (ja) * | 2005-06-10 | 2006-12-21 | Casio Comput Co Ltd | 液晶表示装置 |
JP2008077030A (ja) * | 2006-08-24 | 2008-04-03 | Seiko Epson Corp | 電気光学装置用基板及び電気光学装置、並びに電子機器 |
JP2010026269A (ja) * | 2008-07-19 | 2010-02-04 | Casio Comput Co Ltd | 液晶表示装置 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021161659A1 (ja) * | 2020-02-14 | 2021-08-19 | 株式会社ジャパンディスプレイ | 表示装置及び表示装置用アレイ基板 |
CN115087916A (zh) * | 2020-02-14 | 2022-09-20 | 株式会社日本显示器 | 显示装置以及显示装置用阵列基板 |
US11914252B2 (en) | 2020-02-14 | 2024-02-27 | Japan Display Inc. | Display device and array substrate for display device |
Also Published As
Publication number | Publication date |
---|---|
CN102289118B (zh) | 2014-08-06 |
US8395717B2 (en) | 2013-03-12 |
CN102289118A (zh) | 2011-12-21 |
JP5418421B2 (ja) | 2014-02-19 |
US20110310340A1 (en) | 2011-12-22 |
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