WO2018205660A1 - 一种触控基板、触控显示面板和触控显示装置 - Google Patents

一种触控基板、触控显示面板和触控显示装置 Download PDF

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Publication number
WO2018205660A1
WO2018205660A1 PCT/CN2018/071505 CN2018071505W WO2018205660A1 WO 2018205660 A1 WO2018205660 A1 WO 2018205660A1 CN 2018071505 W CN2018071505 W CN 2018071505W WO 2018205660 A1 WO2018205660 A1 WO 2018205660A1
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WIPO (PCT)
Prior art keywords
touch
integrated circuit
substrate
electrodes
circuit component
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PCT/CN2018/071505
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English (en)
French (fr)
Inventor
陈传宝
徐元宁
Original Assignee
京东方科技集团股份有限公司
合肥京东方光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 合肥京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US16/072,911 priority Critical patent/US11216110B2/en
Publication of WO2018205660A1 publication Critical patent/WO2018205660A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Definitions

  • the present disclosure relates to the field of touch technologies, and in particular, to a touch substrate, a touch display panel, and a touch display device.
  • the touch panel of the fully in-cell structure has attracted more and more attention due to its higher integration, thinness, good touch signal, and low cost. .
  • the distribution of the touch leads connected to the touch electrodes is an important factor considered by the designer.
  • An object of the present disclosure is to provide an improved touch substrate, a touch display panel, and a touch display device.
  • the touch substrate has a touch area and a frame area surrounding the touch area.
  • the touch substrate includes: a substrate, an integrated circuit component on the substrate and located in the frame region, a plurality of touch electrodes arranged in an array on the substrate and located in the touch region, and configured to The integrated circuit component and the touch lead of each touch electrode are electrically connected.
  • the plurality of touch electrodes are divided into a plurality of groups in a direction perpendicular to the extending direction of the integrated circuit elements, and each of the groups includes at least one row or at least one column of touch electrodes parallel to the extending direction of the integrated circuit elements.
  • the number of touch leads for electrically connecting the touch electrodes of the same group to the integrated circuit component is the same, and is used for electrically connecting the touch electrodes of the different groups and the touch leads of the integrated circuit component. The number is different. In particular, the number of touch leads for electrically connecting the respective touch electrodes and integrated circuit components in different groups increases as the distance between the sets of integrated circuit components increases.
  • the orthographic projection of each touch lead on the base substrate and the orthographic projection of the at least one touch electrode between the touch electrode and the integrated circuit component connected to the touch lead on the base substrate overlap.
  • each of the touch electrodes in the group of touch electrodes closest to the integrated circuit component is electrically connected to the integrated circuit component through a touch lead.
  • the touch electrodes are divided into two groups, a first group that is directly adjacent to the integrated circuit component, and a second group that is spaced apart from the integrated circuit component by the first group.
  • Each of the touch electrodes in the second group is electrically connected to the integrated circuit component through two touch leads.
  • Each of the touch electrodes in the first group is electrically connected to the integrated circuit component through a touch lead.
  • the touch substrate includes a base substrate, a touch lead on the base substrate, an insulating layer on the touch lead, and a touch electrode on the insulating layer.
  • the insulating layer includes a plurality of via holes, and each of the touch electrodes is electrically connected to the touch lead corresponding to the touch electrode through a via hole.
  • the vias are in one-to-one correspondence with the touch leads.
  • the touch electrodes are touch detection electrodes, and the touch detection electrodes are configured to receive the detection signals sent by the integrated circuit components through the touch leads, and feedback the touch responses to the integrated circuit components through the touch leads. signal.
  • the touch electrodes include spaced touch drive electrodes and touch sense electrodes.
  • the touch lead includes a touch driving lead wire electrically connected to the touch driving electrode, and a touch sensing lead line electrically connected to the touch sensing electrode.
  • the touch leads are made of a transparent conductive material.
  • Another aspect of the present disclosure provides a touch display panel including any of the above touch substrates.
  • the touch display panel further includes a data line disposed in the same layer as the touch lead.
  • the touch display panel is an organic electroluminescent display panel
  • the substrate is an array substrate
  • the touch display panel is a liquid crystal display panel
  • the base substrate is an array substrate.
  • the touch display panel is a liquid crystal display panel
  • the base substrate is a color film substrate.
  • a further aspect of the present disclosure provides a touch display device including any of the above touch display panels.
  • FIG. 1 is a top view of a touch substrate according to an embodiment of the present disclosure
  • FIG. 2 is a top view of another touch substrate according to an embodiment of the present disclosure.
  • FIG. 3 is a cross-sectional view of a touch substrate according to an embodiment of the present disclosure.
  • FIG. 4 is a top view of another touch substrate according to an embodiment of the present disclosure.
  • FIG. 5 is a top view of a touch substrate according to an embodiment of the present disclosure.
  • FIG. 6 is a cross-sectional view of a touch display panel according to an embodiment of the present disclosure.
  • the touch electrodes are divided into a plurality of touch electrode blocks, and each touch electrode block passes through the corresponding touch lead and the display panel or the touch.
  • the integrated circuit components in the substrate are electrically connected.
  • the lengths of the touch leads connected to the integrated circuit components are inconsistent, wherein the line segments of the touch leads connected to the touch electrode blocks far from the integrated circuit device are long and the distance is long.
  • the line segment of the touch lead connected to the touch electrode block of the integrated circuit component is short.
  • the length of the touch lead is long and short, so that there is a different delay in the time when the touch signal of the display panel or the touch panel is transmitted to the integrated circuit component, which affects the touch effect.
  • the present disclosure provides a touch substrate, a touch display panel, and a touch display device, which can avoid different signal delays caused by different lengths of touch leads connected to the integrated circuit components.
  • a touch substrate provided by an embodiment of the present disclosure has a touch area A and a frame area B surrounding the touch area A.
  • the touch substrate includes: a substrate substrate 01, an integrated circuit component 02 on the substrate substrate 01 and located in the frame region B, and a plurality of touches arranged on the substrate substrate 01 and arranged in the touch region A.
  • the control electrode 03 and the touch lead 04 configured to connect the integrated circuit component 02 and each of the touch electrodes 03.
  • the plurality of touch electrodes 03 are divided into a plurality of groups in a direction perpendicular to the extending direction of the integrated circuit elements, and each group includes at least one row or at least one column of touch electrodes 03 parallel to the extending direction of the integrated circuit element 02, and is used for
  • the number of the touch electrodes 03 connected to the same group is the same as the number of the touch leads 04 of the integrated circuit device 02.
  • the number of the touch electrodes 04 connected to the different groups is different from that of the integrated circuit device 02.
  • the number of touch leads 04 for connecting the respective touch electrodes 03 and integrated circuit elements 02 in different groups increases according to the distance of the group from the integrated circuit device 02.
  • the integrated circuit components are elongated.
  • the extending direction of the integrated circuit component in the embodiment of the present disclosure refers to the long-side direction of the integrated circuit component, and the direction perpendicular to the extending direction of the integrated circuit component in the embodiment of the present disclosure refers to the extension of the short side of the integrated circuit component. direction.
  • the touch electrodes are divided into groups according to a direction perpendicular to the extending direction of the integrated circuit component, and each group includes at least one row of touch electrodes;
  • the touch electrodes are divided into groups according to a direction perpendicular to the extending direction of the integrated circuit component, and each group includes at least one column of touch electrodes.
  • touch electrodes are grouped, and the number of the touch electrodes in different groups may be the same or different, and the number of touch electrodes in each group is not specifically limited, which may be One or more rows (or one or more columns) of touch electrodes are not specifically limited herein.
  • the integrated circuit component can be disposed in any of the upper, lower, left or right borders of the touch substrate.
  • integrated circuit component 02 is disposed in a lower bezel of a touch substrate.
  • the touch electrodes 03 are divided into at least two groups according to the direction away from the integrated circuit component 02 in sequence, but are not limited to dividing the touch electrodes 03 into three groups, but may also be four groups or more, and do not do this. Specifically limited.
  • FIG. 1 only schematically illustrates the case where the touch electrodes 03 are divided into three groups, which are a first group 21, a second group 22, and a third group 23, respectively, and each touch electrode 03 in the first group 21
  • Each of the touch electrodes 03 of the second group 22 is electrically connected to the integrated circuit component 02 through two touch leads 04, respectively.
  • the third group 23 is electrically connected to the integrated circuit component 02 through a touch lead 04.
  • Each of the touch electrodes 03 is electrically connected to the integrated circuit component 02 through three touch leads 04 respectively.
  • the present disclosure is not limited to the grouping and touch lead connection scenarios shown in FIG. In a specific embodiment, the touch electrodes in each group may include only one row or include multiple rows.
  • the present disclosure is not limited to the rectangular shape of the touch electrode, but may further include other shapes such as a diamond shape, which is not specifically limited herein.
  • the farther the touch electrodes are from the integrated circuit component the more the number of touch leads that are connected to the integrated circuit component.
  • each of the touch electrodes 121 of the group of touch electrodes 21 closest to the integrated circuit component 02 is electrically connected to the integrated circuit component 02 through a touch lead 04, respectively, and the integrated circuit component 02
  • Each of the farthest touch electrodes 23 is electrically connected to the integrated circuit component 02 via three touch leads 04.
  • Figure 1 is only one embodiment. In other embodiments, each of the touch electrodes of the group of touch electrodes closest to the integrated circuit component can be electrically connected to the integrated circuit component through the two touch leads.
  • the touch electrodes are divided into a plurality of groups in a direction perpendicular to the extending direction of the integrated circuit elements, and each group includes at least one row or a column of touch electrodes parallel to the extending direction of the integrated circuit elements.
  • the number of touch leads electrically connected to the integrated circuit components in the same group is the same, and the number of touch leads electrically connected to the integrated circuit components in different groups is different, and the touch electrodes in different groups are different.
  • the number of touch leads electrically connected to the integrated circuit component increases as the distance from the set of integrated circuit components increases.
  • the number of touch leads connected between the touch electrodes and the integrated circuit components is different according to the distance of the touch electrodes from the integrated circuit components.
  • the signal delay between each touch electrode and the integrated circuit component can be substantially the same, thereby avoiding the difference in length of the touch leads. The resulting signal delays different problems.
  • each of the touch electrodes 03 in the group of touch electrodes 21 closest to the integrated circuit component 02 is electrically connected to the integrated circuit component 02 through a touch lead 04 .
  • Sexual connection In other words, a group of touch electrodes closest to the integrated circuit component can be electrically connected to the integrated circuit component through only one touch lead, and each set of touch electrodes farther from the integrated circuit component is sequentially connected to the integrated circuit component. The number of touch leads.
  • the signal delay when connecting with the integrated circuit component is reduced by increasing the number of touch leads.
  • an orthographic projection of each touch lead 04 on the base substrate 01 and a touch electrode 03 and an integrated circuit component 02 connected to the touch lead 04 are disposed.
  • An orthographic projection of at least one touch electrode 03 on the substrate substrate 01 overlaps.
  • the touch electrodes include 6 rows and 4 columns, which are sequentially divided into the first row, the second row, the third row, the fourth row, the fifth row, and the sixth row in order from top to bottom.
  • the touch electrodes 03 in the first row and the second row are respectively connected to the integrated circuit element 02 through three touch leads 04, and the touch leads 04 connected to the first row of touch electrodes 03 are positive on the base substrate 01.
  • the projections overlap the orthographic projections of the touch electrodes 03 on the substrate substrate 01 of the second row, the third row, the fourth row, the fifth row, and the sixth row, respectively.
  • the orthographic projection of the touch lead 04 connected to the touch electrode 03 of the second row on the base substrate 01 is aligned with the touch electrodes 03 of the third row, the fourth row, the fifth row, and the sixth row, respectively.
  • the orthographic projections on the base substrate 01 overlap.
  • the orthographic projection of each touch lead on the base substrate and the orthographic projection of a touch electrode on the base substrate between the touch electrode and the integrated circuit component connected to the touch lead may also overlap with the orthographic projection of the plurality of touch electrodes on the substrate.
  • the touch lead in the embodiment of the present disclosure can be disposed on the touch area of the touch substrate and overlap with the orthographic projection of the touch electrode on the base substrate, thereby preventing the touch from being affected by adding more touch leads.
  • the material of the touch lead may be the same as that of the touch electrode, for example, a transparent conductive layer, or the material of the touch lead may be a metal material, which is not specifically limited herein.
  • the touch electrodes 03 are divided into two groups, which are respectively a first group 21 directly adjacent to the integrated circuit component 02, and through the first group. 21 is a second group 22 spaced apart from integrated circuit component 02. Each of the touch electrodes 03 of the second group 22 is connected to the integrated circuit component 02 via two touch leads 04, respectively. Each of the touch electrodes 03 of the first group 21 is connected to the integrated circuit component 02 via a touch lead 04.
  • the touch electrodes may be divided into two groups, and a group of touch electrodes that are closer to the integrated circuit components respectively A set of touch electrodes remote from the integrated circuit component are electrically connected to the integrated circuit component through two touch leads, respectively.
  • touch electrodes are divided into two groups in a direction perpendicular to the extending direction of the integrated circuit component, and the number of touch electrodes in each group is not specifically limited, and the touch electrodes in the two groups are not limited.
  • the numbers can be the same or different.
  • the touch substrate includes: a substrate substrate 01, a touch lead 04 on the base substrate 01, an insulating layer 05 on the touch lead 04, and the like.
  • the insulating layer 05 includes a plurality of vias 06, and each of the touch electrodes 03 is electrically connected to the touch leads 04 corresponding to the touch electrodes 03 via the vias 06.
  • the touch electrode 03 is electrically connected to the touch lead 04 through the via hole 06 disposed in the insulating layer 05, and the adjacent two touch leads 04 pass through the insulating layer.
  • 05 is insulated from each other.
  • each touch electrode 03 the number of vias 06 is the same as the number of touch leads 04.
  • each of the touch electrodes 03 of the first group 21 is electrically connected to the integrated circuit component 02 through a touch lead 04 and a via 06 disposed in the insulating layer.
  • Each of the touch electrodes 03 of the second group 22 is electrically connected to the integrated circuit element 02 through two touch leads 04 and two via holes 06 disposed in the insulating layer.
  • the touch leads 04 are in one-to-one correspondence with the vias 06.
  • the touch electrodes may be touch detection electrodes, and the detection signals sent by the integrated circuit components are received by the touch leads, and are touched by the touch leads.
  • the integrated circuit component feeds back the response signal after the touch.
  • touch electrodes in the embodiments of the present disclosure may be touch detection electrodes disposed in the same layer or in different layers, and each touch detection electrode is electrically connected to the integrated circuit component through the touch leads and vias. .
  • the touch electrodes include the touch driving electrodes 031 and the touch sensing electrodes 032 .
  • the touch lead includes a touch driving lead line 041 connected to the touch driving electrode 031 and a touch sensing lead line 042 connected to the touch sensing electrode 032.
  • the touch electrodes in the embodiments of the present disclosure may be touch driving electrodes disposed in the same layer, or touch sensing electrodes.
  • the touch electrodes may be touch-driven electrodes and touch-sensing electrodes that are disposed in the same layer and are insulated from each other, which is not limited herein.
  • FIG. 5 illustrates the present disclosure by taking only the touch driving electrodes and the touch sensing electrodes disposed in the same layer as an example, but the present disclosure is not limited to the structure shown in FIG. 5 .
  • the touch lead in the touch substrate provided by the embodiment of the present disclosure, can be made of a transparent conductive material, or can be made of a non-transparent conductive material. Further, in order to prevent the wiring of the touch lead from affecting the display effect of the touch substrate, the touch lead may be made of the same material as the material of the touch electrode.
  • the embodiment of the present disclosure further provides a touch display panel, including the touch substrate of any of the above embodiments provided by the embodiments of the present disclosure.
  • a touch display panel including the touch substrate of any of the above embodiments provided by the embodiments of the present disclosure.
  • the touch display panel refer to the embodiment of the above touch substrate, and the repeated description is omitted.
  • the touch display panel may be a touch display panel of an In cell structure or a touch display panel of an On cell structure.
  • the touch display panel having the In cell structure may be a liquid crystal display panel or an organic electroluminescence display panel.
  • the touch control display panel includes an array substrate and a color filter substrate provided to the cartridge.
  • the substrate in the touch substrate in the embodiment of the present disclosure may be an array substrate or a color filter substrate.
  • the touch display panel includes an array substrate and a cover plate, and the substrate in the touch substrate in the embodiment of the present disclosure is an array substrate.
  • the touch display panel further includes a data line 07 disposed in the same layer as the touch lead 04 .
  • a touch display panel includes a pixel electrode and a data line for providing a data signal to the pixel unit.
  • the data line 06 and the touch lead 04 can be disposed in the same layer or in different layers.
  • the data lines and the touch leads are insulated from each other.
  • the number of touch leads connected between the touch electrodes and the integrated circuit components is different according to the distance of the touch electrodes from the integrated circuit components.
  • the signal delay between each touch electrode and the integrated circuit component can be substantially the same, thereby avoiding the difference in length of the touch leads. The resulting signal delays different problems.
  • the embodiment of the present disclosure further provides a touch display device, including the touch display panel of any of the embodiments of the present disclosure.
  • the touch display device can be any product or component having a display function and a touch function, such as a mobile phone, a tablet computer, a notebook computer, a digital photo frame, a navigator, and the like.
  • a touch display device reference may be made to the embodiment of the touch display panel, and the repeated description is omitted.
  • the touch electrodes are divided into a plurality of groups in a direction perpendicular to the extending direction of the integrated circuit elements, and each group includes at least one row or one column of touch parallel to the extending direction of the integrated circuit elements. Electrodes, and the number of touch leads electrically connected to the integrated circuit components in the same group is the same, and the number of touch leads electrically connected to the integrated circuit components in different groups is different, and the touches in different groups are The number of touch leads electrically connected to the control electrode and the integrated circuit component is increased according to the distance of the set from the integrated circuit component.
  • the number of touch leads connected between the touch electrode and the integrated circuit component is different according to the distance of the touch electrode from the integrated circuit component.

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  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
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Abstract

一种触控基板、触控显示面板和触控显示装置。触控基板包括：衬底基板（01），设置在衬底基板（01）上且位于边框区域（B）中的集成电路元件（02），设置在衬底基板（01）上且位于触控区域（A）中的呈阵列排布的多个触控电极（03），以及配置成电性连接集成电路元件（02）和每一触控电极（03）的触控引线（04）。多个触控电极（03）按照垂直于集成电路元件（02）延伸方向的方向分为多组。用于电性连接相同组中的各个触控电极（03）与集成电路元件（02）的触控引线（04）个数相同，用于电性连接不同组中的各个触控电极（03）与集成电路元件（02）的触控引线（04）个数不同。用于电性连接不同组中的各个触控电极（03）与集成电路元件（02）的触控引线（04）个数，按照该组距集成电路元件（02）的距离的增大而增多。

Description

一种触控基板、触控显示面板和触控显示装置
相关申请的交叉引用
本申请要求享有2017年5月12日提交的中国专利申请No.201710333250.0的优先权，其全部公开内容通过引用并入本文。
技术领域
本公开涉及触控技术领域，尤其涉及一种触控基板、触控显示面板和触控显示装置。
背景技术
随着显示行业的发展，完全内嵌式(Full in cell)结构的触控面板由于其更高的集成化、轻薄、良好的触控信号、低廉的成本等优势，越来越受到人们的关注。在这样的触控面板中，与触控电极连接的触控引线的分布是设计师考虑的重要因素。
发明内容
本公开的目的在于提供一种改进的触控基板、触控显示面板和触控显示装置。
本公开的一个方面提供了一种触控基板，具有触控区域以及围绕所述触控区域的边框区域。触控基板包括：衬底基板，位于衬底基板上且位于边框区域中的集成电路元件，位于衬底基板上且位于触控区域中的呈阵列排布的多个触控电极，以及配置成电性连接集成电路元件和每一触控电极的触控引线。多个触控电极按照垂直于集成电路元件延伸方向的方向分为多组，每一组包括与集成电路元件的延伸方向平行的至少一行或至少一列触控电极。用于电性连接同一组中的各个触控电极与集成电路元件的触控引线个数相同，并且用于电性连接不同组中的各个触控电极与所述集成电路元件的触控引线个数不同。特别地，用于电性连接不同组中的各个触控电极与集成电路元件的触控引线个数，按照该组距集成电路元件的距离的增大而增多。
根据一些实施例，每一触控引线在衬底基板上的正投影与位于该触控引线所连接的触控电极和集成电路元件之间的至少一个触控电极 在衬底基板上的正投影交叠。
根据一些实施例，距离集成电路元件最近的一组触控电极中的各个触控电极均通过一个触控引线与集成电路元件电性连接。
根据一些实施例，触控电极分为两组，分别为与集成电路元件直接相邻的第一组，以及通过第一组与集成电路元件间隔开的第二组。第二组中的各个触控电极分别通过两个触控引线与集成电路元件电性连接。第一组中的各个触控电极分别通过一个触控引线与集成电路元件电性连接。
根据一些实施例，触控基板包括衬底基板、位于衬底基板上的触控引线、位于触控引线上的绝缘层和位于绝缘层上的触控电极。绝缘层包括多个过孔，每一触控电极分别通过过孔与该触控电极所对应的触控引线电性连接。
根据一些实施例，过孔与触控引线一一对应。
根据一些实施例，触控电极均为触控检测电极，且触控检测电极配置成通过触控引线接收集成电路元件发送的检测信号，并通过触控引线向集成电路元件反馈触控后的响应信号。
根据一些实施例，触控电极包括间隔设置的触控驱动电极和触控感应电极。触控引线包括与触控驱动电极电性连接的触控驱动引出线，和与触控感应电极电性连接的触控感应引出线。
根据一些实施例，触控引线由透明导电材料制成。
本公开的另一方面提供了一种触控显示面板，包括上述任一种触控基板。
根据一些实施例，触控显示面板还包括与触控引线同层设置的数据线。
根据一些实施例，触控显示面板为有机电致发光显示面板，并且衬底基板为阵列基板。
根据一些实施例，触控显示面板为液晶显示面板，并且衬底基板为阵列基板。
根据一些实施例，触控显示面板为液晶显示面板，并且衬底基板为彩膜基板。
本公开另外的方面提供了一种触控显示装置，包括上述任一种触控显示面板。
附图说明
图1为本公开实施例提供的一种触控基板的顶视图；
图2为本公开实施例提供的另一种触控基板的顶视图；
图3为本公开实施例提供的一种触控基板的截面视图；
图4为本公开实施例提供的另一种触控基板的顶视图；
图5为本公开实施例提供的一种触控基板的顶视图；以及
图6为本公开实施例提供的一种触控显示面板的截面视图。
具体实施方式
为使本公开的上述目的、特征和优点能够更为明显易懂，下面将结合附图和实施例对本公开做进一步说明。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式；相反，提供这些实施方式是为了使得本公开更全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。在图中相同的附图标记表示相同或类似的结构，因而将省略对它们的重复描述。本公开中所描述的表达位置与方向的词，均是以附图为例进行的说明，但根据需要也可以做出改变，所做改变均包含在本公开保护范围内。本公开的附图仅用于示意相对位置关系，某些部位的层厚采用了夸示的绘图方式以便于理解，附图中的层厚并不代表实际层厚的比例关系。
需要说明的是，在以下描述中阐述了具体细节以便于充分理解本公开。但是本公开能够以多种不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本公开内涵的情况下做类似推广。因此本公开不受下面公开的具体实施方式的限制。如在说明书及权利要求当中使用了某些词汇来指称特定组件。本领域技术人员应可理解，硬件制造商可能会用不同名词来称呼同一个组件。本说明书及权利要求并不以名称的差异来作为区分组件的方式，而是以组件在功能上的差异来作为区分的准则。如在通篇说明书及权利要求当中所提及的“包括”为一开放式用语，故应解释成“包括但不限于”。说明书后续描述为实施本申请的示例实施方式，但是所述描述是以说明本申请的一般原则为目的，并非用以限定本申请的范围。本申请的保护范围当视所附权利要求所界定者为准。应理解，当诸如层、膜、区域或者衬底之类的元 件被称为位于另一个元件“上”时，其可以直接位于另一个元件上，或者可以插设有一个或多个中间元件。
一般地，在具有触控功能的显示面板或触控基板中，触控电极被分为若干个触控电极块，且每一触控电极块通过与其对应的触控引线与显示面板或者触控基板中的集成电路元件进行电性连接。
然而，由于触控电极块的分布情况，与集成电路元件进行连接的触控引线的长度不一致，其中，距离集成电路元件较远的触控电极块所连接的触控引线的线段较长，距离集成电路元件较近的触控电极块所连接的触控引线的线段较短。由于触控引线长度有长有短，使得在显示面板或触控基板的远端和近端的触控信号传输至集成电路元件的时间存在不同的延迟，进而影响触控效果。
本公开提供一种触控基板、触控显示面板和触控显示装置，其能够避免由于触控电极与集成电路元件连接的触控引线长短不一所导致的信号延迟不同的问题。
下面结合附图，对本公开实施例提供的触控基板、触控显示面板和触控显示装置的具体实施方式进行详细地说明。
附图中各膜层的厚度和形状不反映真实比例，目的只是示意说明本公开内容。
参见图1，本公开实施例提供的触控基板具有触控区域A以及围绕触控区域A的边框区域B。触控基板包括：衬底基板01，位于衬底基板01上且位于边框区域B中的集成电路元件02，位于衬底基板01上且位于触控区域A中的呈阵列排布的多个触控电极03，以及配置成连接集成电路元件02和每一触控电极03的触控引线04。
所述多个触控电极03按照垂直于集成电路元件延伸方向的方向分为多组，每一组包括与集成电路元件02的延伸方向平行的至少一行或至少一列触控电极03，并且用于连接同一组中的各个触控电极03与集成电路元件02的触控引线04个数相同，用于连接不同组中的各个触控电极03与集成电路元件02的触控引线04个数不同。
具体地，用于连接不同组中的各个触控电极03与集成电路元件02的触控引线04个数，按照该组距集成电路元件02的距离的增大而增多。
一般地，集成电路元件为长条形。本公开实施例中的集成电路元 件的延伸方向是指集成电路元件的长边方向，并且本公开实施例中的垂直于集成电路元件的延伸方向的方向，是指集成电路元件的短边的延伸方向。当集成电路元件设置在触控基板的上边框或下边框中时，则将触控电极按照垂直于集成电路元件延伸方向的方向分为多组，且每一组包括至少一行触控电极；当集成电路元件设置在触控基板的左边框或者右边框中时，则将触控电极按照垂直于集成电路元件的延伸方向的方向分为多组，且每一组包括至少一列触控电极。
需要说明的是，对触控电极进行分组，其中不同组中的触控电极的个数可以相同或者不同，且在此不对每一组中的触控电极的个数进行具体限定，其可以为一行或者多行(或一列或多列)触控电极，在此不做具体限定。集成电路元件可以设置在触控基板的上、下、左或右任一边框中。例如，参见图1，集成电路元件02设置在触控基板的下边框中。相应地，触控电极03按照依次远离集成电路元件02的方向分为至少两组，但不限于将触控电极03分成三组，而是还可以为四组或者更多组，在此不做具体限定。
图1仅示意性地图示了将触控电极03分为三组的情况，分别为第一组21、第二组22和第三组23，且第一组21中的每一个触控电极03分别通过一个触控引线04与集成电路元件02电性连接，第二组22中的每一个触控电极03分别通过两个触控引线04与集成电路元件02电性连接，第三组23中的每一个触控电极03分别通过三个触控引线04与集成电路元件02电性连接。应当指出的是，本公开不限于图1中所示的分组和触控引线连接情况。在具体实施例中，每一组中的触控电极可以仅包括一行，或者包括多行。
图1仅以触控电极为矩形为例，但本公开不限于触控电极为矩形，而是其还可以包括菱形等其他形状，在此不做具体限定。
在本公开的实施例中，对于距离集成电路元件越远的触控电极，将其连接到集成电路元件的触控引线个数越多。对于距离集成电路元件越近的触控电极，将其连接到集成电路元件的触控引线个数越少。例如，在图1中，距离集成电路元件02最近的一组触控电极21中的每一个触控电极03分别通过一个触控引线04与集成电路元件02电性连接，而距离集成电路元件02最远的一组触控电极23中的每一个触控电极03分别通过三个触控引线04与集成电路元件02电性连接。当 然，图1仅是一个实施例。在其它实施例中，还可以使得距离集成电路元件最近的一组触控电极中的每一个触控电极分别通过两个触控引线与集成电路元件电性连接。
本公开提供的触控基板中，通过将触控电极按照垂直于集成电路元件延伸方向的方向分为多组，每一组包括与集成电路元件的延伸方向平行的至少一行或一列触控电极，且相同组中的触控电极与集成电路元件电连接的触控引线个数相同，不同组中的触控电极与集成电路元件电连接的触控引线个数不同，且不同组中触控电极与集成电路元件电连接的触控引线个数，按照该组距集成电路元件的距离的增大而增多。因此，在本公开实施例中的触控基板中，根据触控电极距离集成电路元件的距离不同，该触控电极与集成电路元件之间连接的触控引线个数不同。通过为每一个触控电极设置相互并联的不同个数的触控引线，可以使得在每一个触控电极与集成电路元件之间传输的信号延迟大致相同，从而避免由于触控引线长短不一而造成的信号延迟不同的问题。
在本公开实施例提供的上述触控基板中，参见图1，距离集成电路元件02最近的一组触控电极21中的各个触控电极03均通过一个触控引线04与集成电路元件02电性连接。也就是说，距离集成电路元件最近的一组触控电极可以仅通过一个触控引线与集成电路元件电性连接，并且距离集成电路元件较远的各组触控电极依次增加与集成电路元件连接的触控引线个数。
在本公开实施例中，当触控引线较长时，通过增加触控引线个数来减少与集成电路元件连接时的信号延迟。
在本公开的示例实施例中，参见图1，每一触控引线04在衬底基板01上的正投影与位于该触控引线04所连接的触控电极03和集成电路元件02之间的至少一个触控电极03在衬底基板01上的正投影交叠。
例如，参见图1，触控电极包括6行4列，按照从上向下的顺序，依次分为第1行、第2行、第3行、第4行、第5行和第6行。第1行和第2行中的触控电极03分别通过三条触控引线04与集成电路元件02相连，且与第1行触控电极03连接的触控引线04在衬底基板01上的正投影分别与第2行、第3行、第4行、第5行和第6行的触控电极03在衬底基板01上的正投影交叠。同理，与第2行触控电极03 连接的触控引线04在衬底基板01上的正投影分别与第3行、第4行、第5行和第6行的触控电极03在衬底基板01上的正投影交叠。
需要说明的是，每一条触控引线在衬底基板上的正投影可以与位于该触控引线所连接的触控电极和集成电路元件之间的一个触控电极在衬底基板上的正投影交叠，也可以与多个触控电极在衬底基板上的正投影交叠。本公开实施例中的触控引线可以设置在触控基板的触控区域，且与触控电极在衬底基板上的正投影交叠，从而避免由于增加较多的触控引线而影响触控基板的窄边框设计。触控引线的材料可以与触控电极相同，例如为透明导电层，或者触控引线的材料可以选用金属材料，在此不做具体限定。
在本公开的另一实施例提供的触控基板中，参见图2，将触控电极03分为两组，分别为与集成电路元件02直接相邻的第一组21，以及通过第一组21与集成电路元件02间隔开的第二组22。第二组22中的每一个触控电极03分别通过两个触控引线04与集成电路元件02连接。第一组21中的每一个触控电极03分别通过一个触控引线04与集成电路元件02连接。具体地，为了避免触控基板中的触控引线个数较多，进而造成信号之间的干扰，可以将触控电极分为两组，且距离集成电路元件较近的一组触控电极分别通过一个触控引线与集成电路元件电性连接，并且距离集成电路元件较远的一组触控电极分别通过两个触控引线与集成电路元件电性连接。
需要说明的是，将触控电极沿与集成电路元件的延伸方向垂直的方向分为两组，每一组中的触控电极的个数不做具体限定，且两组中的触控电极个数可以相同或者不同。
在本公开实施例提供的触控基板中，参见图3，触控基板包括：衬底基板01、位于衬底基板01上的触控引线04、位于触控引线04上的绝缘层05和位于绝缘层05上的触控电极03。绝缘层05包括多个过孔06，并且每一触控电极03分别通过过孔06与该触控电极03所对应的触控引线04电性连接。
在图3所示的触控基板的截面视图中，触控电极03通过设置在绝缘层05中的过孔06与触控引线04电性连接，并且相邻两个触控引线04通过绝缘层05相互绝缘。
在本公开实施例提供的触控基板中，参见图4，对于每一个触控电 极03，过孔06的个数与触控引线04的个数相同。具体地，第一组21中的每一个触控电极03均通过一个触控引线04以及设置在绝缘层中的一个过孔06与集成电路元件02电性连接。第二组22中的每一个触控电极03均通过两个触控引线04以及设置在绝缘层中的两个过孔06与集成电路元件02电性连接。如图4所示，触控引线04与过孔06一一对应。
在具体实施例中，在本公开实施例提供的上述触控基板中，触控电极可以均为触控检测电极，其通过触控引线接收集成电路元件发送的检测信号，并通过触控引线向集成电路元件反馈触控后的响应信号。
需要说明的是，本公开实施例中的触控电极可以为同层设置或者异层设置的触控检测电极，并且每一触控检测电极通过触控引线和过孔与集成电路元件电性连接。
在本公开实施例提供的另一触控基板中，参见图5，触控电极包括间隔设置的触控驱动电极031和触控感应电极032。相应地，触控引线包括与触控驱动电极031连接的触控驱动引出线041，以及与触控感应电极032连接的触控感应引出线042。
需要说明的是，本公开实施例中的触控电极可以为同层设置的触控驱动电极，或者触控感应电极。可替换地，触控电极可以为同层设置且相互绝缘的触控驱动电极和触控感应电极，在此不做限定。图5仅以同层设置的触控驱动电极和触控感应电极为例来说明本公开，但本公开不限于图5所示的结构。
在具体实施例中，本公开实施例提供的上述触控基板中，触控引线可以采用透明导电材料进行制作，或者可以采用非透明的导电材料进行制作。进一步，为了避免触控引线的布线影响触控基板的显示效果，可以采用与触控电极的材料相同的材料制作触控引线。
本公开实施例还提供了一种触控显示面板，包括本公开实施例提供的上述任一种的触控基板。该触控显示面板的实施例可以参见上述触控基板的实施例，重复之处不再赘述。
在本公开实施例提供的触控显示面板中，触控显示面板可以为In cell结构的触控显示面板，也可以为On cell结构的触控显示面板。
根据示例实施例，具有In cell结构的触控显示面板可以为液晶显示面板，或者有机电致发光显示面板。在液晶显示面板的情况下，触 控显示面板包括对盒设置的阵列基板和彩膜基板。具体地，本公开实施例中的触控基板中的衬底基板可以为阵列基板，或者彩膜基板。对于有机电致发光显示面板，触控显示面板包括阵列基板和盖板，并且本公开实施例中的触控基板中的衬底基板为阵列基板。
在本公开实施例提供的一种触控显示面板中，参见图6，触控显示面板还包括与触控引线04同层设置的数据线07。典型地，触控显示面板包括像素电极，以及用于给像素单元提供数据信号的数据线。数据线06与触控引线04可以同层设置，或者异层设置。特别地，数据线与触控引线相互绝缘。
本公开实施例中的触控显示面板中，根据触控电极距离集成电路元件的距离不同，该触控电极与集成电路元件之间连接的触控引线个数不同。通过为每一个触控电极设置相互并联的不同个数的触控引线，可以使得在每一个触控电极与集成电路元件之间传输的信号延迟大致相同，从而避免由于触控引线长短不一而造成的信号延迟不同的问题。
需要说明的是，对于触控显示面板中的其他信号引线，若由于信号引线长短不一而造成不同的信号延迟，则均可以采用本公开实施例的思想，对信号引线进行改进，从而避免由于信号引线长短不一造成不同的信号延时，提高显示效果。
本公开实施例还提供了一种触控显示装置，包括本公开实施例提供的任一种的触控显示面板。
该触控显示装置可以为手机、平板电脑、笔记本电脑、数码相框、导航仪等任何具有显示功能和触控功能的产品或部件。该触控显示装置的实施例可以参见上述触控显示面板的实施例，重复之处不再赘述。
在本公开提供的触控显示装置中，通过将触控电极按照垂直于集成电路元件延伸方向的方向分为多组，每一组包括与集成电路元件的延伸方向平行的至少一行或一列触控电极，且相同组中的触控电极与集成电路元件电连接的触控引线个数相同，不同组中的触控电极与集成电路元件电连接的触控引线个数不同，且不同组中触控电极与集成电路元件电连接的触控引线个数，按照该组距集成电路元件的距离的增大而增多。因此，在本公开实施例中的触控基板中，根据触控电极距离集成电路元件的距离不同，该触控电极与集成电路元件之间连接 的触控引线个数不同。通过为每一个触控电极设置相互并联的不同个数的触控引线，可以使得在每一个触控电极与集成电路元件之间传输的信号延迟大致相同，从而避免由于触控引线长短不一而造成的信号延迟不同的问题。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (15)

  1. 一种触控基板，具有触控区域以及围绕所述触控区域的边框区域，所述触控基板包括：衬底基板，位于所述衬底基板上且位于所述边框区域中的集成电路元件，位于所述衬底基板上且位于所述触控区域中的呈阵列排布的多个触控电极，以及配置成电性连接所述集成电路元件和每一所述触控电极的触控引线，
    其中，
    所述多个触控电极按照垂直于所述集成电路元件延伸方向的方向分为多组，每一组包括与所述集成电路元件的延伸方向平行的至少一行或至少一列触控电极，并且
    用于电性连接同一组中的各个触控电极与所述集成电路元件的触控引线个数相同，用于电性连接不同组中的各个触控电极与所述集成电路元件的触控引线个数不同，并且
    用于电性连接不同组中的各个触控电极与所述集成电路元件的触控引线个数，按照该组距所述集成电路元件的距离的增大而增多。
  2. 根据权利要求1所述的触控基板，其中，每一触控引线在所述衬底基板上的正投影与位于该触控引线所连接的触控电极和所述集成电路元件之间的至少一个触控电极在衬底基板上的正投影交叠。
  3. 根据权利要求1所述的触控基板，其中，距离所述集成电路元件最近的一组触控电极中的各个触控电极均通过一个触控引线与所述集成电路元件电性连接。
  4. 根据权利要求1所述的触控基板，其中，所述触控电极分为两组，分别为与所述集成电路元件直接相邻的第一组，以及通过第一组与所述集成电路元件间隔开的第二组，其中，
    所述第二组中的各个触控电极分别通过两个所述触控引线与所述集成电路元件电性连接；
    所述第一组中的各个触控电极分别通过一个所述触控引线与所述集成电路元件电性连接。
  5. 根据权利要求1所述的触控基板，其中，所述触控基板包括衬底基板、位于衬底基板上的触控引线、位于触控引线上的绝缘层和位于绝缘层上的触控电极，其中，
    所述绝缘层包括多个过孔，每一所述触控电极分别通过所述过孔与该触控电极所对应的触控引线电性连接。
  6. 根据权利要求5所述的触控基板，其中，所述过孔与所述触控引线一一对应。
  7. 根据权利要求1-5任一权项所述的触控基板，其中，所述触控电极均为触控检测电极，且所述触控检测电极配置成通过所述触控引线接收所述集成电路元件发送的检测信号，并通过所述触控引线向所述集成电路元件反馈触控后的响应信号。
  8. 根据权利要求1-5任一权项所述的触控基板，其中，所述触控电极包括间隔设置的触控驱动电极和触控感应电极，
    所述触控引线包括与所述触控驱动电极电性连接的触控驱动引出线，和与所述触控感应电极电性连接的触控感应引出线。
  9. 根据权利要求1-6任一权项所述的触控基板，其中，所述触控引线由透明导电材料制成。
  10. 一种触控显示面板，包括权利要求1-8任一项所述的触控基板。
  11. 根据权利要求10所述的触控显示面板，还包括与所述触控引线同层设置的数据线。
  12. 根据权利要求10所述的触控显示面板，其中，所述触控显示面板为有机电致发光显示面板，并且所述衬底基板为阵列基板。
  13. 根据权利要求10所述的触控显示面板，其中，所述触控显示面板为液晶显示面板，并且所述衬底基板为阵列基板。
  14. 根据权利要求10所述的触控显示面板，其中，所述触控显示面板为液晶显示面板，并且所述衬底基板为彩膜基板。
  15. 一种触控显示装置，包括权利要求10-14任一权项所述的触控显示面板。
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