WO2018014547A1 - 阵列基板、显示装置及其制备方法、触摸位置检测方法 - Google Patents
阵列基板、显示装置及其制备方法、触摸位置检测方法 Download PDFInfo
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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
- G02F1/13338—Input devices, e.g. touch panels
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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
- 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
- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- G—PHYSICS
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- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
- G06F3/04144—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position using an array of force sensing means
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- 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
- G06F3/047—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using sets of wires, e.g. crossed wires
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- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/05—Manufacture of multilayered piezoelectric or electrostrictive devices, or parts thereof, e.g. by stacking piezoelectric bodies and electrodes
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- H10N30/01—Manufacture or treatment
- H10N30/07—Forming of piezoelectric or electrostrictive parts or bodies on an electrical element or another base
- H10N30/071—Mounting of piezoelectric or electrostrictive parts together with semiconductor elements, or other circuit elements, on a common substrate
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- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
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- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
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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
- 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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- 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
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- G02F1/133394—Piezoelectric elements associated with the cells
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G02F1/13685—Top gates
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- G06—COMPUTING OR CALCULATING; COUNTING
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- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
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Definitions
- the inductive thin film transistor 200 and the switching thin film transistor 100 adopt the same thin film transistor structure, and can simultaneously process the inductive thin film transistor and the switching thin film transistor in one process flow, and no additional process for processing the thin film transistor, simplifying the process flow and reducing the cost. .
- the piezoelectric material layer 108 is one of a composite material of a piezoelectric crystal, a piezoelectric ceramic, a piezoelectric polymer, a piezoelectric ceramic, and a piezoelectric polymer.
- Step S710 forming an interlayer deposition layer 110 and opening a third via hole in the gate insulating layer and the interlayer deposition layer (110), and the third via hole leads the input terminal electrode 112 and the output terminal electrode 113, and forms data.
- a further embodiment of the present invention provides a display device including the above array substrate and a color filter substrate.
- the color filter substrate includes a substrate 201, a color filter film layer 203, a black matrix 204, a protective layer 202, and a spacer 205.
- the liquid crystal alignment layer 206 wherein the spacer 205 corresponds to the position of the black matrix 204, the array substrate and the color filter substrate are separated by the plurality of spacers 205, and after the color filter substrate and the array substrate are paired with the package, the array substrate is induced
- the orthographic projection of the piezoelectric material layer 108 of the thin film transistor on the plane of the array substrate overlaps with the orthographic projection of the spacer on the plane of the array substrate, as shown in FIG. 4, which is a display device using a bottom gate structure to induce a thin film transistor.
- 5 is a display device using a top gate structure to sense a thin film transistor.
- a further embodiment of the present invention provides a method for fabricating a display device, as shown in FIG.
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Abstract
Description
Claims (16)
- 一种阵列基板,包括:交叉设置的多条X感应线(3)和多条Y感应线(4),其中,在X感应线和Y感应线的多个交叉位置中,在至少一个交叉位置处分别设置感应薄膜晶体管(200);其中,所述感应薄膜晶体管的控制端(102)连接相应的所述X感应线(3),所述感应薄膜晶体管的输出端(106)连接相应的所述Y感应线(4);在所述感应薄膜晶体管的控制端(102)和输入端(105)之间形成压电材料层(108),所述感应薄膜晶体管(200)被按压后所述压电材料层(108)产生形变,使得感应薄膜晶体管的输入端(105)相对于所述感应薄膜晶体管的控制端(102)产生感应电压。
- 如权利要求1所述的阵列基板,还包括多个像素单元,所述多个像素单元中的每一像素单元包括像素电极,所述感应薄膜晶体管(200)在所述阵列基板所在平面的正投影与所述像素电极在所述阵列基板所在平面的正投影相互错开。
- 如权利要求2所述的阵列基板,其中,每一像素单元还包括:开关薄膜晶体管(100);所述感应薄膜晶体管(200)与所述开关薄膜晶体管(100)均为底栅型薄膜晶体管;或者均为顶栅型薄膜晶体管;所述感应薄膜晶体管(200)中的各层与所述开关薄膜晶体管(100)的相应层的材料和厚度相同。
- 如权利要求3所述的阵列基板,其中,所述开关薄膜晶体管(100)和所述感应薄膜晶体管(200)均为底栅型薄膜晶体管;所述感应薄膜晶体管(200)包括:形成于所述阵列基板的衬底上的所述控制端(102);形成于所述控制端上的栅极绝缘层(103),所述栅极绝缘层(103)具有第一过孔;形成于所述栅极绝缘层上的有源层(107);形成于所述第一过孔内的压电材料层(108);形成于所述栅极绝缘层(103)上并搭接在所述有源层(107)上的输出端(106),以及形成于所述栅极绝缘层(103)上并搭接在所述有源层和压电材料层上的输入端(105)。
- 如权利要求3所述的阵列基板,其中,所述开关薄膜晶体管(100) 和感应薄膜晶体管(200)均为顶栅型薄膜晶体管;所述感应薄膜晶体管(200)包括:形成于所述阵列基板的衬底上的输入端(105)、输出端(106)和有源层(107);形成于所述有源层、输入端和输出端上的栅极绝缘层(103),所述栅极绝缘层在与所述输入端对应的位置处具有第二过孔;形成于所述第二过孔内的所述压电材料层(108);形成于所述栅极绝缘层和所述压电材料层上的控制端(102);形成于控制端和栅极绝缘层上的层间沉积层(110),所述栅极绝缘层和所述层间沉积层(110)具有连通的第三过孔,输入端电极(112)、输出端电极(113)由所述第三过孔引出。
- 如权利要求2所述的阵列基板,还包括:多条栅线(1)和多条数据线(2),所述X感应线(3)和Y感应线(4)分别与所述栅线(1)和所述数据线(2)平行;所述多个像素单元分别位于所述栅线(1)和所述数据线(2)围成的区域,其中,每一所述像素单元与一个所述感应薄膜晶体管对应或者相邻的多个所述像素单元与一个所述感应薄膜晶体管对应。
- 如权利要求1所述的阵列基板,其中,所述压电材料层(108)选用压电晶体、压电陶瓷、压电聚合物或压电陶瓷和压电聚合物的复合材料。
- 一种制备阵列基板的方法,其中,所述阵列基板包括多个像素单元,每一所述像素单元还包括:开关薄膜晶体管(100),感应薄膜晶体管(200)和所述开关薄膜晶体管(100)同为底栅结构;所述制备方法包括:形成所述感应薄膜晶体管和开关薄膜晶体管的控制端;形成压电材料层(108);形成所述感应薄膜晶体管和开关薄膜晶体管的输入端和输出端,使得所述压电材料层的一端接触所述感应薄膜晶体管的控制端(102),另一端接触所述感应薄膜晶体管的输入端(105)。
- 如权利要求8所述的方法,其中,所述形成所述感应薄膜晶体管和开关薄膜晶体管的控制端的步骤与形成压电材料层(108)的步骤之间还包括:形成栅极绝缘层(103),并在栅极绝缘层与感应薄膜晶体管的控制端对应的位置处开设第一过孔;所述形成压电材料层(108)包括:在所述第一过孔处形成压电材料薄膜,并通过构图工艺得到图形化的各个感应薄膜晶体管的压电材料层(108);所述形成压电材料层(108)的步骤与所述形成感应薄膜晶体管和开关薄膜晶体管的输入端和输出端的步骤之间还包括:形成感应薄膜晶体管的有源层107和开关薄膜晶体管的有源层;所述形成感应薄膜晶体管和开关薄膜晶体管的输入端和输出端包括:形成感应薄膜晶体管的输入端(105)和输出端(106)以及开关薄膜晶体管的输入端和输出端,感应薄膜晶体管的输入端(105)搭接于感应薄膜晶体管的压电材料层(108)和有源层(107)上,开关薄膜晶体管的输入端搭接于开关薄膜晶体管的有源层上,并形成数据线(2)和Y感应线(4)。
- 一种制备阵列基板的方法,其中,所述阵列基板包括多个像素单元,每一像素单元还包括:开关薄膜晶体管(100),所述感应薄膜晶体管和所述开关薄膜晶体管(100)同为顶栅结构;所述方法包括:形成感应薄膜晶体管和开关薄膜晶体管的输入端和输出端;形成压电材料层(108);形成感应薄膜晶体管和开关薄膜晶体管的控制端,使得所述压电材料层的一端接触感应薄膜晶体管的控制端(102),另一端接触感应薄膜晶体管的输入端(105)。
- 如权利要求10所述的方法,其中,所述形成感应薄膜晶体管和开关薄膜晶体管的输入端和输出端的步骤与所述形成压电材料层(108)的步骤之间还包括:形成栅极绝缘层(103),并在栅极绝缘层的与感应薄膜晶体管的输入端对应的位置处开设第二过孔;所述形成压电材料层(108)包括:在所述第二过孔处形成压电材料薄膜,并通过构图工艺得到图形化的各个感应薄膜晶体管的压电材料层(108);所述形成感应薄膜晶体管和开关薄膜晶体管的控制端包括:感应薄膜晶体管的控制端(102)形成于栅极绝缘层(103)和压电材料层(108)上,开关薄膜晶体管的栅极形成于栅极绝缘层(103)上,并形成栅线(1) 和X感应线(3);所述形成感应薄膜晶体管和开关薄膜晶体管的控制端之后还包括:形成层间沉积层(110)并在所述栅极绝缘层和所述层间沉积层(110)中开设第三过孔,从所述第三过孔引出输入端电极(112)和输出端电极(113),并形成数据线(2)和Y感应线(4)。
- 一种显示装置,包括:彩膜基板以及如权利要求1至7中任一项权利要求所述的阵列基板;其中,所述阵列基板和彩膜基板通过多个隔垫物(205)隔开,所述感应薄膜晶体管的压电材料层(108)在阵列基板所在平面的正投影与所述隔垫物(205)在阵列基板所在平面的正投影有重叠。
- 如权利要求12所述的显示装置,还包括:触摸驱动单元和触摸感应单元;所述触摸驱动单元连接X感应线(3)并向所述X感应线(3)加载扫描信号,所述触摸感应单元连接Y感应线(4);所述触摸感应单元包括:Y感应线确定模块,用于响应于检测到Y感应线电压值的变化,确定电压值发生变化的Y感应线,并记录所述Y感应线的电压值变化的时刻;X感应线确定模块,用于确定与所述Y感应线电压值变化的时刻对应的X感应线,所述X感应线在所述Y感应线电压值变化时刻的扫描信号为开启电压;以及位置确定模块,将所述电压值发生变化的Y感应线和与所述Y感应线电压值变化的时刻对应的X感应线的交叉位置确定为触摸位置。
- 如权利要求13所述的显示装置,其中,所述触摸驱动单元和触摸感应单元集成在单个芯片上。
- 一种显示装置的制备方法,所述方法包括:依据权利要求8至11中任一项权利要求的制备方法制备阵列基板;在衬底(201)上依次形成黑矩阵(204)、彩色滤波膜层(203)、保护层(202)和液晶配向层(206),在液晶配向层的与黑矩阵对应的位置处形成隔垫物(205),以制成彩膜基板;将阵列基板和彩膜基板对盒,所述压电材料层(108)在阵列基板所在平面的正投影与隔垫物(205)在阵列基板所在平面的正投影有重叠。
- 一种应用于如权利要求12所述的显示装置的触摸位置检测方法,所述方法包括:向X感应线(3)加载扫描信号;当与触摸位置对应的感应薄膜晶体管连接的X感应线的扫描信号为开启电压时,所述感应薄膜晶体管的输入端的感应电压传输至所述感应薄膜晶体管的输出端(106)和Y感应线(4),使得Y感应线的电压值相对于标准电压发生变化;响应于检测到Y感应线电压值的变化,确定电压值发生变化的Y感应线,并记录所述Y感应线电压值变化的时刻;确定与所述Y感应线电压值变化的时刻对应的X感应线,所述X感应线在所述Y感应线电压值变化时刻的扫描信号为开启电压;以及将所述电压值发生变化的Y感应线和与所述Y感应线电压值变化的时刻对应的X感应线的交叉位置确定为触摸位置。
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| CN105974637B (zh) * | 2016-07-22 | 2019-03-12 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、显示装置及其触摸位置检测方法 |
| KR102568386B1 (ko) * | 2016-09-30 | 2023-08-21 | 삼성디스플레이 주식회사 | 터치 센서를 포함하는 표시 장치 |
| CN107293553B (zh) * | 2017-06-19 | 2020-11-24 | 京东方科技集团股份有限公司 | 阵列基板及其制备方法、显示面板和显示装置 |
| CN107229375B (zh) * | 2017-07-28 | 2021-03-23 | 京东方科技集团股份有限公司 | 一种触控屏及显示装置 |
| CN107506085B (zh) * | 2017-09-08 | 2020-05-22 | 京东方科技集团股份有限公司 | 显示基板、显示面板、显示装置及其控制方法 |
| CN109557729B (zh) * | 2017-09-26 | 2022-02-15 | 京东方科技集团股份有限公司 | 一种显示面板及其制备方法、显示装置 |
| CN108446051B (zh) * | 2018-03-16 | 2020-10-30 | 深圳市华星光电技术有限公司 | 阵列基板及触控显示装置 |
| CN111522164A (zh) * | 2019-02-01 | 2020-08-11 | 群创光电股份有限公司 | 电子装置 |
| CN111399292B (zh) * | 2020-04-09 | 2022-09-23 | 昆山龙腾光电股份有限公司 | 阵列基板及其制备方法和触控液晶显示装置 |
| CN113609946B (zh) * | 2021-07-28 | 2025-03-11 | 京东方科技集团股份有限公司 | 信号检测模组及装置、显示面板、显示装置 |
| CN115437183B (zh) * | 2022-10-26 | 2023-03-24 | 惠科股份有限公司 | 显示面板、显示面板的制作方法及显示装置 |
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