JP6605146B2 - タッチパネル付き表示装置 - Google Patents
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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
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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
- 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
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- G—PHYSICS
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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
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- 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
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- 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]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6755—Oxide semiconductors, e.g. zinc oxide, copper aluminium oxide or cadmium stannate
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- 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
- H10D86/421—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 having a particular composition, shape or crystalline structure of the active layer
- H10D86/423—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 having a particular composition, shape or crystalline structure of the active layer comprising semiconductor materials not belonging to the Group IV, e.g. InGaZnO
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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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
- H10D86/441—Interconnections, e.g. scanning lines
- H10D86/443—Interconnections, e.g. scanning lines adapted for preventing breakage, peeling or short circuiting
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- 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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- G02—OPTICS
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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
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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
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Description
図4Aに示すTFT領域のガラス基板40の上には、表示制御素子であるTFT42が設けられている。TFT42は、ゲート電極42a、半導体膜42b、ソース電極42c、及びドレイン電極42dを含む。
図4B及び図4Cにおけるガラス基板40の上には、TFT領域におけるゲート電極42aと重ならない位置に信号線22が形成されている。信号線22は、例えば銅(Cu)、チタン(Ti)、モリブデン(Mo)、アルミニウム(Al)、マグネシウム(Mg)、コバルト(Co)、クロム(Cr)、タングステン(W)のいずれか、またはこれらの混合物からなる。
上述した実施形態において、TFT42のソース電極42cとドレイン電極42dとの間にエッチストッパ層が設けられていてもよい。この構成により、ソース電極42cやドレイン電極42dを形成する際のエッチングによって、半導体膜42bがダメージを受けることを防止できる。
また、上述した実施形態では、ボトムゲート型のTFTを例に説明したが、トップゲート型でもよい。また、半導体膜42bは酸化物半導体膜に限らず、アモルファスシリコン膜であってもよい。
また、上述した実施形態では、表示に用いられるTFT42と信号線22とは平面視で重ならない位置に設けられるため、信号線22とTFT42との間の寄生容量を低減できる。しかしながら、例えば、TFT42の下層に信号線22が配置される等、TFT42と信号線22とが平面視で重なるように配置されていてもよい。
また、上述した実施形態では、無機絶縁膜41よりもガラス基板40に近い位置にゲート電極42aが設けられているが、例えばゲート電極42aの下側、つまり、ガラス基板40側に無機絶縁膜41が設けられていてもよい。
Claims (3)
- アクティブマトリクス基板を備えるタッチパネル付き表示装置において、
前記アクティブマトリクス基板は、
基板と、
前記基板上に設けられた複数の画素電極と、
前記基板上において前記複数の画素電極と平面視で重なるように配置された複数の対向電極と、
前記複数の画素電極と前記複数の対向電極との間に設けられた絶縁膜と、
前記基板上において、画素電極に対して対向電極と反対側に設けられ、前記複数の対向電極のいずれかと接続され、タッチ駆動信号が供給される複数の信号線と、
前記複数の画素電極のそれぞれに接続された複数のスイッチング素子と、
前記複数の画素電極と、前記複数の信号線及び前記複数のスイッチング素子との間に設けられた有機系絶縁膜と、を備え、
前記複数の信号線の各々は、前記基板に接しており、
前記複数のスイッチング素子の各々は、ゲート電極、ソース電極、及びドレイン電極を含み、
前記アクティブマトリクス基板は、前記複数の信号線の各々を覆い、前記複数の信号線の各々と前記ゲート電極との間に設けられた第1の無機系絶縁膜をさらに備える、タッチパネル付き表示装置。 - 前記アクティブマトリクス基板は、
前記ゲート電極と前記第1の無機系絶縁膜とを覆うゲート絶縁膜と、
前記ソース電極及び前記ドレイン電極を覆い、前記ゲート絶縁膜と重なる第2の無機系絶縁膜と、をさらに備え、
前記有機系絶縁膜は、前記画素電極と前記第2の無機系絶縁膜との間に設けられる、請求項1に記載のタッチパネル付き表示装置。 - 前記アクティブマトリクス基板は、
前記複数の信号線の各々と平面視で重なる位置に、前記ゲート電極と同じ材料からなる第1金属膜と、前記第1金属膜と接し、前記ソース電極及び前記ドレイン電極と同じ材料からなる第2金属膜と、前記第2金属膜と接し、画素電極と同じ材料からなる第1透明電極膜と、前記第1透明電極膜と接し、対向電極と同じ材料からなる第2透明電極膜と、を備え、
前記複数の信号線の各々は、前記第1金属膜と接する、請求項2に記載のタッチパネル付き表示装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016148462 | 2016-07-28 | ||
| JP2016148462 | 2016-07-28 | ||
| PCT/JP2017/026835 WO2018021291A1 (ja) | 2016-07-28 | 2017-07-25 | タッチパネル付き表示装置 |
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| Publication Number | Publication Date |
|---|---|
| JPWO2018021291A1 JPWO2018021291A1 (ja) | 2019-06-20 |
| JP6605146B2 true JP6605146B2 (ja) | 2019-11-13 |
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|---|---|
| US (1) | US11061263B2 (ja) |
| JP (1) | JP6605146B2 (ja) |
| CN (1) | CN109496281B (ja) |
| WO (1) | WO2018021291A1 (ja) |
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| CN110612634A (zh) * | 2017-11-17 | 2019-12-24 | 株式会社Lg化学 | 用于气体分析的单电池的加压治具和包括该治具的气体分析装置 |
| JP7166935B2 (ja) * | 2019-01-08 | 2022-11-08 | 株式会社ジャパンディスプレイ | 表示装置 |
| US12393086B2 (en) * | 2021-05-14 | 2025-08-19 | Beijing Boe Optoelectronics Technology Co., Ltd. | Display substrate, display panel, and display device |
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| CN101356557B (zh) * | 2006-02-24 | 2011-01-12 | 夏普株式会社 | 有源矩阵基板、显示装置、电视接收机 |
| WO2009129391A2 (en) * | 2008-04-17 | 2009-10-22 | Applied Materials, Inc. | Low temperature thin film transistor process, device property, and device stability improvement |
| JP4661913B2 (ja) * | 2008-07-19 | 2011-03-30 | カシオ計算機株式会社 | 液晶表示装置 |
| KR101273239B1 (ko) * | 2010-09-20 | 2013-06-11 | 엘지디스플레이 주식회사 | 터치 스크린이 내장된 액정 표시장치와 이의 제조방법 |
| CN102650916B (zh) * | 2011-02-25 | 2014-11-26 | 乐金显示有限公司 | 集成触摸传感器的显示设备 |
| JP6097676B2 (ja) * | 2012-12-05 | 2017-03-15 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置及び電子機器 |
| JP2014226982A (ja) | 2013-05-20 | 2014-12-08 | 三菱自動車工業株式会社 | バンパフェイシャの取付構造 |
| CN105765498B (zh) * | 2013-10-22 | 2018-11-20 | 夏普株式会社 | 带触摸传感器的显示装置 |
| KR102082265B1 (ko) * | 2013-11-28 | 2020-02-27 | 엘지디스플레이 주식회사 | 터치센서 일체형 표시장치 |
| EP2887185B1 (en) | 2013-12-20 | 2016-11-09 | LG Display Co., Ltd. | Display device integrated with touch screen panel and method of driving the same |
| KR101633654B1 (ko) | 2013-12-20 | 2016-06-27 | 엘지디스플레이 주식회사 | 터치스크린 패널 일체형 표시장치, 터치스크린 패널 일체형 표시패널, 데이터 구동 집적회로, 게이트 구동 집적회로 및 터치스크린 패널 일체형 표시장치의 구동 방법 |
| JP6606345B2 (ja) * | 2014-05-16 | 2019-11-13 | 株式会社ジャパンディスプレイ | タッチ検出機能付き表示装置及び電子機器 |
| KR102169034B1 (ko) * | 2014-07-25 | 2020-10-23 | 엘지디스플레이 주식회사 | 표시장치 및 그 제조방법 |
| US9703439B2 (en) | 2014-12-26 | 2017-07-11 | Lg Display Co., Ltd. | Touch sensor integrated type display device |
| CN104461161B (zh) * | 2014-12-29 | 2018-02-06 | 京东方科技集团股份有限公司 | 触控基板以及触控装置 |
| CN105824482B (zh) * | 2016-04-13 | 2019-04-16 | 上海天马微电子有限公司 | 一种阵列基板、显示面板及显示装置 |
-
2017
- 2017-07-25 JP JP2018529903A patent/JP6605146B2/ja active Active
- 2017-07-25 CN CN201780046585.2A patent/CN109496281B/zh active Active
- 2017-07-25 WO PCT/JP2017/026835 patent/WO2018021291A1/ja not_active Ceased
- 2017-07-25 US US16/321,410 patent/US11061263B2/en not_active Expired - Fee Related
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|---|---|
| US20210103350A1 (en) | 2021-04-08 |
| JPWO2018021291A1 (ja) | 2019-06-20 |
| WO2018021291A1 (ja) | 2018-02-01 |
| US11061263B2 (en) | 2021-07-13 |
| CN109496281B (zh) | 2021-08-10 |
| CN109496281A (zh) | 2019-03-19 |
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