WO2020177199A1 - 触控屏 - Google Patents

触控屏 Download PDF

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Publication number
WO2020177199A1
WO2020177199A1 PCT/CN2019/084262 CN2019084262W WO2020177199A1 WO 2020177199 A1 WO2020177199 A1 WO 2020177199A1 CN 2019084262 W CN2019084262 W CN 2019084262W WO 2020177199 A1 WO2020177199 A1 WO 2020177199A1
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WO
WIPO (PCT)
Prior art keywords
sub
touch screen
metal
sensing
electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/084262
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English (en)
French (fr)
Inventor
李波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/483,550 priority Critical patent/US11307723B2/en
Publication of WO2020177199A1 publication Critical patent/WO2020177199A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • G06F3/0443—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 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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • 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
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • 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
    • G06F3/0448—Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 technology, in particular to a touch screen.
  • FIG. 1 shows a conventional touch sensing unit, which includes two sensing electrodes 2, two driving electrodes 1, and a bridge structure 3 connecting the two driving electrodes 1.
  • ITO is essentially an inorganic metal oxide with significant brittleness. When used as a foldable touch screen, it is prone to cracks due to long-term repeated flexing, causing the touch function to fail.
  • the current conductive material for touch screens is indium tin oxide, which is essentially an inorganic metal oxide and has significant brittleness. When used as a foldable touch screen, it is easy to crack due to long-term repeated flexing and cause the touch function to fail. .
  • a touch screen including: a substrate, and sensing electrodes and driving electrodes insulated from each other provided on the substrate, wherein:
  • the sensing electrode includes a plurality of sub-sensing electrodes electrically connected to each other.
  • the driving electrode includes a plurality of sub-driving electrodes electrically connected to each other.
  • the side length of each sub-sensing electrode is less than 500 ⁇ m and the side length of each sub-driving electrode is less than 500 ⁇ m.
  • the shape of each of the sub-sensing electrodes is a polygon.
  • the shape of each of the sub-driving electrodes is a polygon.
  • the edge of each sub-sensing electrode is arranged parallel to the contour edge of the sensing electrode, and the other edge of each sub-sensing electrode adjacent to the edge is connected to the sensing electrode.
  • the other contour edge of the electrode is arranged in parallel, and one edge of each of the sub-driving electrodes is arranged parallel to a contour edge of the driving electrode, and the other edge of each of the sub-driving electrodes is adjacent to the other edge of the edge.
  • the other contour edge of the driving electrode is arranged in parallel.
  • the plurality of sub-sensing electrodes and the plurality of sub-driving electrodes have a multilayer composite structure of indium tin oxide/metal/indium tin oxide.
  • the metal material of the indium tin oxide/metal/indium tin oxide multilayer composite structure is silver, and the thickness of the metal is less than 80 nm.
  • the touch screen further includes a plurality of first metal bridges, and each of the sub-sensing electrodes is electrically connected to another sub-sensing electrode through the first metal bridges .
  • the touch screen further includes a first insulating layer disposed between the first metal bridge and the sub-sensing electrode.
  • the touch screen further includes a first conductive hole layer passing through the first insulating layer to electrically connect the first metal bridge and the sub-sensing electrode.
  • the touch screen further includes a plurality of second metal bridges, and each of the sub-driving electrodes is electrically connected to another sub-driving electrode through the second metal bridges .
  • the touch screen further includes a second insulating layer disposed between the second metal bridge and the sub-driving electrode.
  • the touch screen further includes a second conductive hole layer passing through the second insulating layer to electrically connect the second metal bridge and the sub-driving electrode.
  • the sensing electrode includes a plurality of sub sensing electrodes that are electrically connected to each other.
  • the driving electrode includes a plurality of sub-driving electrodes electrically connected to each other. Therefore, the embodiments of the present disclosure can effectively avoid folding stress concentration and prevent the generation and propagation of cracks.
  • the present disclosure uses a multilayer composite structure of indium tin oxide/metal/indium tin oxide as the structure of the sub-driving electrode. Therefore, the problem that indium tin oxide materials are easily brittle can be solved.
  • Figure 1 shows a schematic structural diagram of a conventional touch screen
  • FIG. 2 shows a schematic structural diagram of a touch screen according to an embodiment of the present disclosure
  • FIG. 3 shows a schematic diagram of a cross-sectional structure of a touch electrode of a touch screen according to an embodiment of the present disclosure
  • FIG. 4 shows a schematic structural diagram of a touch screen according to another embodiment of the present disclosure
  • FIG. 5 shows a schematic diagram of a first metal bridge structure of a touch screen according to an embodiment of the present disclosure
  • Fig. 6 shows a schematic cross-sectional structure along the line AA' according to Fig. 5;
  • FIG. 7 shows a schematic diagram of a first metal bridge structure of a touch sensing substrate according to another embodiment of the present disclosure
  • FIG. 8 shows a schematic diagram of a second metal bridge structure of a touch screen according to an embodiment of the present disclosure
  • Fig. 9 shows a schematic cross-sectional structure along the line BB' according to Fig. 8.
  • FIG. 10 shows a schematic diagram of a second metal bridge structure of a touch sensing substrate according to another embodiment of the present disclosure.
  • FIG. 11 shows a schematic structural diagram of a touch screen according to another embodiment of the present disclosure.
  • the present disclosure provides a touch screen 100, including: a substrate 30, and sensing electrodes 10 and driving electrodes 20 insulated from each other provided on the substrate 30, wherein:
  • the sensing electrode 10 includes a plurality of sub-sensing electrodes 11 electrically connected to each other.
  • the driving electrode 20 includes a plurality of sub-driving electrodes 21 electrically connected to each other.
  • FIG. 2 shows the basic unit of the touch screen 100, which includes two sensing electrodes 10 and one driving electrode 20. Wherein, the two sensing electrodes 10 are electrically connected to each other by a bridge structure 50. But the present invention is not limited to this.
  • a plurality of sensing electrodes 10 and a plurality of driving electrodes 20 are provided on the substrate 30 of the touch screen 200. The sensing electrode 10 and the driving electrode 20 are insulated from each other.
  • the sensing electrodes 10 are arranged horizontally in a string and are electrically connected to each other by electrode materials.
  • the driving electrodes 20 are arranged vertically in a string and are electrically connected to each other by a bridge structure 50.
  • the present invention does not limit the arrangement or electrical connection of the sensing electrodes 10 or the driving electrodes 20.
  • each sub-sensing electrode 11 is less than 500 ⁇ m and the side length of each sub-driving electrode 21 is less than 500 ⁇ m.
  • each of the sub-sensing electrodes 11 is a polygon.
  • polygons such as rectangles or rhombuses
  • the present disclosure is not limited thereto.
  • each sub-driving electrode 21 is a polygon.
  • polygons such as rectangles or rhombuses
  • the present disclosure is not limited thereto.
  • an edge 111 of each sub-sensing electrode 11' and a contour edge 101 of the sensing electrode 10' are arranged in parallel, and each The other edge 112 of the sub-sensing electrode 11' adjacent to the edge 111 is parallel to the other contour edge 102 of the sensing electrode 10'.
  • one edge of each sub-driving electrode 21' is parallel to a contour edge of the driving electrode 20', and the other edge of each sub-driving electrode 21' adjacent to the edge is connected to the A contour edge of the driving electrode 20' is arranged in parallel.
  • the sub-electrodes adopt a rhombus arrangement structure, which can reduce the visibility of the ITO gap optically, which is beneficial to reduce the visibility of the etching marks and achieve a good optical effect.
  • the plurality of sub-sensing electrodes and the plurality of sub-driving electrodes are a multilayer composite structure of indium tin oxide/metal/indium tin oxide.
  • the plurality of sub-sensing electrodes 11 or the plurality of sub-driving electrodes 21 of the present disclosure are formed by forming a first indium tin oxide layer 41 on the substrate 30, and forming a metal on the first indium tin oxide layer 41
  • the metal material is, for example, silver, gold, etc., and the thickness of the metal is below 80 nm.
  • a second indium tin oxide layer 42 is formed on the metal layer 40. Improve the easy brittleness of ITO materials.
  • the touch screen 100 further includes a plurality of first metal bridges 51a, and each of the sub-sensing electrodes 11 passes through the first metal bridge 51a and another The sub-sensing electrodes 11 are electrically connected to each other.
  • the touch screen 100 further includes a first insulating layer 52 a disposed between the first metal bridge 51 a and the sub-sensing electrode 11.
  • the touch screen 100 further includes a first conductive hole layer 53a passing through the first insulating layer 52a to electrically connect the first metal bridge 51a and the sub-sensing electrode 11 .
  • the plurality of sub-sensing electrodes 11 may be directly electrically connected to each other by the material of the sub-electrodes, or a bridge structure 50a may be additionally fabricated, and the first metal bridge 51a may be electrically connected.
  • the touch screen 100" further includes a first insulating layer 52a' disposed between the first metal bridge 51a' and the sub-sensing electrode 11.
  • the first metal bridge 51a' is disposed on the substrate 30, and the first insulating layer 52a' covers the metal bridge 51a'.
  • the sub-sensing electrode 11 is disposed on the insulating layer 52a'.
  • the touch screen 100" further includes a first conductive hole layer 53a' passing through the first insulating layer 52a' to electrically connect the first metal bridge 51a' and the Sub-sensing electrode 11.
  • the first conductive hole layer 53a or 53a' is filled with a conductive material, such as metal or polysilicon.
  • the touch screen 100 further includes a plurality of second metal bridges 51b, and each of the sub-driving electrodes 21 passes through the second metal bridge 51b and another The sub-driving electrodes 21 are electrically connected to each other.
  • the touch screen 100 further includes a second insulating layer 52 b disposed between the second metal bridge 51 b and the sub-driving electrode 21.
  • the touch screen 100 further includes a second conductive hole layer 53b passing through the second insulating layer 52b to electrically connect the second metal bridge 51b and the sub-driving electrode 21 .
  • the plurality of sub-driving electrodes 21 may be directly electrically connected to each other by the material of the sub-electrodes, or a bridge structure 50b may be additionally fabricated, and the second metal bridge 51b may be electrically connected.
  • the touch screen 100" further includes a second insulating layer 52b' disposed between the second metal bridge 51b' and the sub-driving electrode 21.
  • the second metal bridge 51b' is disposed on the substrate 30, and the second insulating layer 52b' covers the second metal bridge 51b'.
  • the sub-driving electrode 21 is disposed on the second insulating layer 52b'.
  • the touch screen 100" further includes a second conductive hole layer 53b' passing through the second insulating layer 52b' to electrically connect the second metal bridge 51b' and the Sub-driving electrode 21.
  • the second conductive hole layer 53b or 53b' is filled with conductive material, such as metal or polysilicon.
  • the sensing electrode includes a plurality of sub-sensing electrodes electrically connected to each other.
  • the driving electrode includes a plurality of sub-driving electrodes electrically connected to each other. Therefore, the embodiments of the present disclosure can effectively avoid folding stress concentration and prevent the generation and propagation of cracks.
  • the present disclosure uses a multilayer composite structure of indium tin oxide/metal/indium tin oxide as the structure of the sub-driving electrode. Therefore, the problem that indium tin oxide materials are easily brittle can be solved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种触控屏(100)，包括：基板(30)，以及设置于所述基板(30)上相互绝缘的感应电极(10)及驱动电极(20)。所述感应电极(10)包括多个子感应电极(11)彼此电连接。所述驱动电极(20)包括多个子驱动电极(21)彼此电连接。每个所述子感应电极(11)的边长尺寸小于500μm。每个所述子驱动电极(21)的边长尺寸小于500μm。

Description

触控屏 技术领域
本揭示涉及触摸技术领域，特别涉及一种触控屏。
 背景技术
主动式有机发光显示器(Active Matrix Organic Light Emitting Display，AMOLED)柔性显示技术的出现已经实现了固定曲面产品的大批量面市，随着技术的不断成熟完善，可折叠柔性显示触控技术已经呼之欲出，相关从业者也在加速开发搭配柔性显示屏的可折叠触控技术。目前最普及的触摸屏用导电材料是氧化铟锡(Indium Tin Oxide, ITO)，ITO因具有良好的光学和电学特性而最先在应用于触摸屏行业。图1所示为一习知的触控感应单元，包括二个感应电极2、二个驱动电极1及一个架桥结构3连接两个驱动电极1。
但是ITO本质上是一种无机金属氧化物，具有显着的脆性，在作为折叠型触摸屏使用时很容易因长期的反复挠折而产生裂纹导致触控功能失效。
故，有需要提供一种触控屏，以解决现有技术存在的问题。
 技术问题
现有触摸屏用导电材料是氧化铟锡，本质上是一种无机金属氧化物，具有显着的脆性，在作为折叠型触摸屏使用时很容易因长期的反复挠折而产生裂纹导致触控功能失效。
 技术解决方案
为解决上述技术问题，本揭示提供一种触控屏，包括: 基板，以及设置于所述基板上相互绝缘的感应电极及驱动电极，其中:
所述感应电极包括多个子感应电极彼此电连接。
于本揭示其中的一实施例中，所述驱动电极包括多个子驱动电极彼此电连接。
于本揭示其中的一实施例中，每个所述子感应电极的边长尺寸小于500μm且每个所述子驱动电极的边长尺寸小于500μm。
于本揭示其中的一实施例中，每个所述子感应电极的形状为多边形。
于本揭示其中的一实施例中，每个所述子驱动电极的形状为多边形。
于本揭示其中的一实施例中，每个所述子感应电极的边缘与所述感应电极的轮廓边缘平行设置，每个所述子感应电极相邻所述边缘的另一边缘与所述感应电极的另一轮廓边缘平行设置，且每个所述子驱动电极的一边缘与所述驱动电极的一轮廓边缘平行设置，每个所述子驱动电极相邻所述边缘的另一边缘与所述驱动电极的另一轮廓边缘平行设置。
于本揭示其中的一实施例中，所述多个子感应电极及所述多个子驱动电极为氧化铟锡/金属/氧化铟锡的多层复合结构。
于本揭示其中的一实施例中，所述氧化铟锡/金属/氧化铟锡的多层复合结构的所述金属的材料为银，所述金属的厚度小于80nm。
于本揭示其中的一实施例中，所述触控屏还包括多个第一金属桥，每个所述子感应电极透过所述第一金属桥与另一个所述子感应电极彼此电连接。
于本揭示其中的一实施例中，所述触控屏还包括第一绝缘层设置于所述第一金属桥与所述子感应电极之间。
于本揭示其中的一实施例中，所述触控屏还包括第一导电孔层穿过所述第一绝缘层以电连接所述第一金属桥与所述子感应电极。
于本揭示其中的一实施例中，所述触控屏还包括多个第二金属桥，每个所述子驱动电极透过所述第二金属桥与另一个所述子驱动电极彼此电连接。
于本揭示其中的一实施例中，所述触控屏还包括第二绝缘层设置于所述第二金属桥与所述子驱动电极之间。
于本揭示其中的一实施例中，所述触控屏还包括第二导电孔层穿过所述第二绝缘层以电连接所述第二金属桥与所述子驱动电极。
 有益效果
相较于现有技术，为解决上述技术问题，本揭示提供的触控感应单元和触控感应基板中，所述感应电极包括多个子感应电极彼此电连接。或所述驱动电极包括多个子驱动电极彼此电连接。因此，本揭示的实施例能实现有效避免折叠应力集中，阻止裂纹的产生和扩散的效果。另外，本揭示采用氧化铟锡/金属/氧化铟锡的多层复合结构做为子驱动电极的结构。因此可解决氧化铟锡材料容易脆裂的问题。
 附图说明
图1显示一习知的触控屏的结构示意图；
图2显示根据本揭示的一实施例的触控屏的结构示意图；
图3显示根据本揭示的一实施例的触控屏的一触控电极剖面结构示意图；
图4显示根据本揭示的另一实施例的触控屏的结构示意图；
图5显示根据本揭示的一实施例的触控屏的第一金属桥结构示意图；
图6显示根据图5沿AA’线的剖面结构示意图；
图7显示根据本揭示的另一实施例的触控感应基板的第一金属桥结构示意图；
图8显示根据本揭示的一实施例的触控屏的第二金属桥结构示意图；
图9显示根据图8沿BB’线的剖面结构示意图；
图10显示根据本揭示的另一实施例的触控感应基板的第二金属桥结构示意图；及
图11显示根据本揭示的另一实施例的触控屏的结构示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本揭示可用以实施的特定实施例。
为了让本揭示的上述及其他目的、特征、优点能更明显易懂，下文将特举本揭示优选实施例，并配合所附图式，作详细说明如下。再者，本揭示所提到的方向用语，例如上、下、顶、底、前、后、左、右、内、外、侧层、周围、中央、水平、横向、垂直、纵向、轴向、径向、最上层或最下层等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本揭示，而非用以限制本揭示。
在图中，结构相似的单元是以相同标号表示。
参照图2，本揭示提供一种触控屏100，包括: 基板30，以及设置于所述基板30上相互绝缘的感应电极10及驱动电极20，其中:
所述感应电极10包括多个子感应电极11彼此电连接。
于本揭示其中的一实施例中，所述驱动电极20包括多个子驱动电极21彼此电连接。
图2所示为触控屏100的基本单元，包含两个感应电极10及一个驱动电极20。其中，两个感应电极10之间以架桥结构50相互电连接。但本发明不限于此。参照图11，具体的，触控屏200的所述基板30上设置多个感应电极10及多个驱动电极20。所述感应电极10与所述驱动电极20相互绝缘。
具体的，所述感应电极10横向排列成串并且彼此以电极材料电连接。所述驱动电极20直向排列成串并且彼此以架桥结构50电连接，本发明不限制感应电极10或驱动电极20的排列方式或电连接方式。
具体的，每个所述子感应电极11的边长尺寸小于500μm且每个所述子驱动电极21的边长尺寸小于500μm。
于本揭示其中的一实施例中，每个所述子感应电极11的形状为多边形。
具体的，多边形例如矩形或菱形，本揭示不限于此。
于本揭示其中的一实施例中，每个所述子驱动电极21的形状为多边形。
具体的，多边形例如矩形或菱形，本揭示不限于此。
参照图4，于本揭示其中一实施例的触控屏100’中，每个所述子感应电极11’的一边缘111与所述感应电极10’的一轮廓边缘101平行设置，每个所述子感应电极11’相邻所述边缘111的另一边缘112与所述感应电极10’的另一轮廓边缘102平行设置。类似的，每个所述子驱动电极21’的一边缘与所述驱动电极20’的一轮廓边缘平行设置，每个所述子驱动电极21’相邻所述边缘的另一边缘与所述驱动电极20’的一轮廓边缘平行设置。
具体的，本揭示的一实施例中子电极采用菱形排列结构，该排列方式在光学方面可以减弱ITO间隙的可见性，有利于削弱蚀刻痕的可见性，实现良好的光学效果。
参照图3，于本揭示其中的一实施例中，所述多个子感应电极及所述多个子驱动电极为氧化铟锡/金属/氧化铟锡的多层复合结构。
具体的，本揭示的所述多个子感应电极11或所述多个子驱动电极21是在基板30上形成一第一氧化铟锡层41，于所述第一氧化铟锡层41上形成一金属层40，金属的材料例如为：银、金等，金属的厚度在80nm以下。接着，在所述金属层40上形成一第二氧化铟锡层42。改善ITO材料容易脆裂的问题。
参照图5，于本揭示其中的一实施例中，所述触控屏100还包括多个第一金属桥51a，每个所述子感应电极11透过所述第一金属桥51a与另一个所述子感应电极11彼此电连接。
参照图6，于本揭示其中的一实施例中，所述触控屏100还包括第一绝缘层52a设置于所述第一金属桥51a与所述子感应电极11之间。
于本揭示其中的一实施例中，所述触控屏100还包括第一导电孔层53a穿过所述第一绝缘层52a以电连接所述第一金属桥51a与所述子感应电极11。
具体的，所述多个子感应电极11之间，可以直接以子电极的材料相互电连接，或是另外制作架桥结构50a，以第一金属桥51a进行电连接。
参照图7，于本揭示的另一实施例中，所述触控屏100”还包括第一绝缘层52a’设置于所述第一金属桥51a’与所述子感应电极11之间。
具体的，所述第一金属桥51a’设置于所述基板30上，所述第一绝缘层52a’覆盖所述金属桥51a’。所述子感应电极11设置于所述绝缘层52a’上。
于本揭示其中的一实施例中，所述触控屏100”还包括第一导电孔层53a’穿过所述第一绝缘层52a’以电连接所述第一金属桥51a’与所述子感应电极11。
具体的，所述第一导电孔层53a或53a’填充导电材料，例如金属、或多晶硅。
参照图8，于本揭示其中的一实施例中，所述触控屏100还包括多个第二金属桥51b，每个所述子驱动电极21透过所述第二金属桥51b与另一个所述子驱动电极21彼此电连接。
参照图9，于本揭示其中的一实施例中，所述触控屏100还包括第二绝缘层52b设置于所述第二金属桥51b与所述子驱动电极21之间。
于本揭示其中的一实施例中，所述触控屏100还包括第二导电孔层53b穿过所述第二绝缘层52b以电连接所述第二金属桥51b与所述子驱动电极21。
具体的，所述多个子驱动电极21之间，可以直接以子电极的材料相互电连接，或是另外制作架桥结构50b，以第二金属桥51b进行电连接。
参照图10，于本揭示的另一实施例中，所述触控屏100”还包括第二绝缘层52b’设置于所述第二金属桥51b’与所述子驱动电极21之间。
具体的，所述第二金属桥51b’设置于所述基板30上，所述第二绝缘层52b’覆盖所述第二金属桥51b’。所述子驱动电极21设置于所述第二绝缘层52b’上。
于本揭示其中的一实施例中，所述触控屏100”还包括第二导电孔层53b’穿过所述第二绝缘层52b’以电连接所述第二金属桥51b’与所述子驱动电极21。
具体的，所述第二导电孔层53b或53b’填充导电材料，例如金属、或多晶硅。
由于本揭示的实施例的触控感应单元和触控感应基板中，所述感应电极包括多个子感应电极彼此电连接。或所述驱动电极包括多个子驱动电极彼此电连接。因此，本揭示的实施例能实现有效避免折叠应力集中，阻止裂纹的产生和扩散的效果。另外，本揭示采用氧化铟锡/金属/氧化铟锡的多层复合结构做为子驱动电极的结构。因此可解决氧化铟锡材料容易脆裂的问题。
尽管已经相对于一个或多个实现方式示出并描述了本揭示，但是本领域技术人员基于对本说明书和附图的阅读和理解将会想到等价变型和修改。本揭示包括所有这样的修改和变型，并且仅由所附权利要求的范围限制。特别地关于由上述组件执行的各种功能，用于描述这样的组件的术语旨在对应于执行所述组件的指定功能（例如其在功能上是等价的）的任意组件（除非另外指示），即使在结构上与执行本文所示的本说明书的示范性实现方式中的功能的公开结构不等同。此外，尽管本说明书的特定特征已经相对于若干实现方式中的仅一个被公开，但是这种特征可以与如可以对给定或特定应用而言是期望和有利的其他实现方式的一个或多个其他特征组合。而且，就术语“包括”、“具有”、“含有”或其变形被用在具体实施方式或权利要求中而言，这样的术语旨在以与术语“包含”相似的方式包括。
以上仅是本揭示的优选实施方式，应当指出，对于本领域普通技术人员，在不脱离本揭示原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本揭示的保护范围。

Claims (16)

  1. 一种触控屏，包括：基板，以及设置于所述基板上相互绝缘的感应电极及驱动电极，其中，
    所述感应电极包括多个子感应电极彼此电连接；
    所述驱动电极包括多个子驱动电极彼此电连接；
    每个所述子感应电极的边长尺寸小于500μm；及
    每个所述子驱动电极的边长尺寸小于500μm。
  2. 如权利要求1所述的触控屏，其中，每个所述子感应电极的形状为多边形，每个所述子驱动电极的形状为多边形。
  3. 如权利要求2所述的触控屏，其中，每个所述子感应电极的边缘与所述感应电极的轮廓边缘平行设置，每个所述子感应电极相邻所述边缘的另一边缘与所述感应电极的另一轮廓边缘平行设置，且每个所述子驱动电极的边缘与所述驱动电极的轮廓边缘平行设置，每个所述子驱动电极相邻所述边缘的另一边缘与所述驱动电极的另一轮廓边缘平行设置。
  4. 如权利要求3所述的触控屏，其中，所述多个子感应电极及所述多个子驱动电极为氧化铟锡/金属/氧化铟锡的多层复合结构。
  5. 如权利要求4所述触控屏，其中，所述氧化铟锡/金属/氧化铟锡的多层复合结构的所述金属的材料为银，所述金属的厚度小于80nm。
  6. 如权利要求1所述触控屏，还包括多个第一金属桥，每个所述子感应电极通过所述第一金属桥与另一个所述子感应电极彼此电连接。
  7. 如权利要求6所述触控屏，还包括设置于所述第一金属桥与所述子感应电极之间的第一绝缘层。
  8. 如权利要求7所述触控屏，还包括第一导电孔层穿过所述绝缘层以电连接所述第一金属桥与所述子感应电极。
  9. 如权利要求1所述触控屏，还包括多个第二金属桥，每个所述子驱动电极透过所述第二金属桥与另一个所述子驱动电极彼此电连接。
  10.     如权利要求9所述触控屏，还包括设置于所述第二金属桥与所述子驱动电极之间的第二绝缘层。
  11. 如权利要求10所述触控屏，还包括第二导电孔层穿过所述第二绝缘层以电连接所述第二金属桥与所述子驱动电极。
  12.     一种触控屏，包括：基板、感应电极、驱动电极、多个第一金属桥及多个第二金属桥，其中，
    所述感应电极、所述驱动电极、所述多个第一金属桥及所述多个第二金属桥设置于所述基板上；
    所述感应电极与所述驱动电极相互绝缘；
    所述感应电极包括多个子感应电极透过所述第一金属桥彼此电连接；
    所述驱动电极包括多个子驱动电极透过所述第二金属桥彼此电连接；
    每个所述子感应电极的边长尺寸小于500μm；及
    每个所述子驱动电极的边长尺寸小于500μm。
  13.     如权利要求12所述的触控屏，其中，每个所述子感应电极的形状为多边形，每个所述子驱动电极的形状为多边形。
  14.     如权利要求13所述的触控屏，其中，每个所述子感应电极的边缘与所述感应电极的轮廓边缘平行设置，每个所述子感应电极相邻所述边缘的另一边缘与所述感应电极的另一轮廓边缘平行设置，且每个所述子驱动电极的边缘与所述驱动电极的轮廓边缘平行设置，每个所述子驱动电极相邻所述边缘的另一边缘与所述驱动电极的另一轮廓边缘平行设置。
  15.   如权利要求12所述的触控屏，其中，所述多个子感应电极及所述多个子驱动电极为氧化铟锡/金属/氧化铟锡的多层复合结构。
  16.     如权利要求15所述触控屏，其中，所述氧化铟锡/金属/氧化铟锡的多层复合结构的所述金属的材料为银，所述金属的厚度小于80nm。
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