WO2018028445A1 - 触控基板、显示面板以及显示装置 - Google Patents

触控基板、显示面板以及显示装置 Download PDF

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Publication number
WO2018028445A1
WO2018028445A1 PCT/CN2017/094848 CN2017094848W WO2018028445A1 WO 2018028445 A1 WO2018028445 A1 WO 2018028445A1 CN 2017094848 W CN2017094848 W CN 2017094848W WO 2018028445 A1 WO2018028445 A1 WO 2018028445A1
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WIPO (PCT)
Prior art keywords
electrode
shape
sub
electrodes
triangle
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PCT/CN2017/094848
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English (en)
French (fr)
Inventor
王庆浦
张雷
郭总杰
张卫
李必生
李保然
曾琴
Original Assignee
京东方科技集团股份有限公司
合肥鑫晟光电科技有限公司
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Application filed by 京东方科技集团股份有限公司, 合肥鑫晟光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/779,699 priority Critical patent/US11126312B2/en
Publication of WO2018028445A1 publication Critical patent/WO2018028445A1/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
    • 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
    • G06F3/0412—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
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • 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
    • 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
    • G06F3/0448—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; 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
    • G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material

Definitions

  • the present disclosure relates to the field of display technology. More specifically, it relates to a touch substrate, a display panel, and a display device.
  • Touch screens have been widely used as input means for these displays in electronic devices such as Personal Digital Assistants (PDAs), notebook computers, office automation equipment, medical equipment, and car navigation systems.
  • PDAs Personal Digital Assistants
  • the development of touch technology has produced different technical directions such as resistance, capacitance and electromagnetic.
  • Capacitive screens have become mainstream products with low cost and excellent user experience.
  • the laminated structure of the bridge type touch screen is complicated, which may cause defects such as low transmittance of the touch screen, thereby affecting the appearance and performance of the touch screen.
  • the current market demand for narrow bezel and borderless technology is increasing, and the single layer technology can realize the borderless-narrow bezel technology by using indium tin oxide (ITO) edge routing. Therefore, single-layer technology has attracted people's attention.
  • ITO indium tin oxide
  • the current single-layer technology has a problem that the electrode block impedance is too large and the equal-impedance wiring is difficult and the repeatability is poor, resulting in an increase in product design difficulty and a decline in final product performance.
  • Embodiments of the present disclosure provide a touch substrate, a display panel, and a display device, which can solve the problem that the impedance of the electrode block in the prior art is too large, the impedance of the equal impedance is difficult, and the repeatability is poor.
  • a first aspect of the present disclosure provides a touch substrate including: a substrate, an electrode layer disposed on the substrate, the electrode layer including at least two electrodes, wherein each The electrode includes at least one sub-electrode having an array of electrode cells including at least two columns of electrode units, wherein any two columns in the array of electrode cells do not intersect, each column in the array of electrode cells At least two of the electrode units connected in series are included, and any two adjacent columns in the array of electrode units are connected in parallel by a connection portion.
  • the electrode units of each column in the array of electrode cells form a curved shape.
  • the curved shape includes a curved shape composed of a straight line or a curved shape composed of a curved line.
  • the at least two electrodes are arranged in a longitudinal direction, and adjacent ones of the at least two electrodes have a complementary shape.
  • the sub-electrodes have a triangular or diamond shape, and adjacent ones of the at least two electrodes having complementary shapes form a rectangle.
  • the sub-electrode has at least one of the following shapes:
  • the first shape being a triangular shape
  • the second shape being a shape composed of a first triangle and a second triangle, wherein the first triangle and the second triangle have a first common vertex, and the first triangle passes through An angle bisector of the first common vertex is centrally symmetric with an angle bisector of the second triangle passing through the first common vertex;
  • the third shape being a diamond shape
  • the fourth shape being a shape composed of a third triangle and a fourth triangle, wherein the third triangle and the fourth triangle have a second common vertex, and the third triangle passes through One side of the second common vertex is on the same line as one side of the fourth triangle passing through the second common vertex, and the third triangular part and the fourth triangular part are located on the same line side.
  • the at least two electrodes comprise a plurality of electrodes arranged in the longitudinal direction and The first electrode, the second electrode, and the third electrode that are spaced apart, and wherein
  • the first electrode includes at least one first sub-electrode, and the first sub-electrode has the first shape
  • the second electrode includes at least one second sub-electrode, and the second sub-electrode has the second shape
  • the third electrode includes at least one third sub-electrode, and the third sub-electrode has the first shape.
  • the at least two electrodes further comprise at least one repeating unit disposed between the first electrode and the second electrode, the repeating unit comprising at least one first repeating unit portion And at least one second repeating primitive portion, and wherein
  • the first repeating element portion has the second shape
  • the second repeating element portion has the third shape.
  • the first electrode includes a plurality of the first sub-electrodes disposed along a lateral direction;
  • the second electrode includes a plurality of the second sub-electrodes disposed along a lateral direction;
  • the third electrode includes a plurality of the third sub-electrodes disposed along a lateral direction;
  • the repeating unit includes a plurality of the first repeating element portions disposed along a lateral direction and a plurality of the second repeating primitive portions disposed along a lateral direction.
  • the at least two electrodes include first and fourth electrodes that are sequentially disposed along the longitudinal direction and spaced apart from each other, and wherein
  • the first electrode includes at least one first sub-electrode, and the first sub-electrode has the first shape
  • the fourth electrode includes at least one fourth sub-electrode, the fourth sub-electrode having the fourth shape.
  • the at least two electrodes further comprise at least one repeating unit disposed between the first electrode and the fourth electrode, the repeating unit comprising at least one first repeating unit portion And at least one second repeating primitive portion, and wherein
  • the first repeating element portion has the second shape
  • the second repeating element portion has the third shape.
  • the first electrode includes a plurality of the first sub-electrodes disposed along a lateral direction;
  • the fourth electrode includes a plurality of the fourth sub-electrodes disposed along a lateral direction;
  • the repeating unit includes a plurality of the first repeating element portions disposed along a lateral direction and a plurality of the second repeating primitive portions disposed along a lateral direction.
  • an area ratio between the first electrode, the first repeating element portion, the second repeating element portion, and the fourth electrode is 57:61:57:19.
  • the acute angles in the inner corners of the triangular and diamond shapes of the sub-electrodes range between 5[deg.] and 45[deg.].
  • Another object of the present disclosure is to provide a display panel.
  • a second aspect of the present disclosure provides a display panel, wherein the display panel includes the touch substrate as described above.
  • a third aspect of the present disclosure provides a display device, wherein the display device includes the display panel as described above.
  • FIG. 1(a) is a schematic diagram of an electrode unit array of a touch substrate according to an embodiment of the present disclosure
  • FIG. 1(b) is a schematic diagram of an electrode unit array of a touch substrate according to still another embodiment of the present disclosure
  • 1(c) is a schematic diagram of an electrode unit array of a touch substrate according to still another embodiment of the present disclosure
  • FIG. 2 is a diagram of different sub-electrode shapes of a touch substrate according to an embodiment of the present disclosure schematic diagram
  • FIG. 3 is a schematic diagram showing one embodiment in accordance with the present disclosure.
  • FIG. 4 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • FIG. 5 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • FIG. 6 is a schematic view showing an electrode layer according to another embodiment of the present disclosure.
  • FIG. 7 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • FIG. 8 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • FIG. 9 is a schematic view showing an electrode layer according to another embodiment of the present disclosure.
  • FIG. 10 is a schematic view showing a display panel according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic view showing a display device according to an embodiment of the present disclosure.
  • the terms “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom” and The derivative should refer to the public text.
  • the terms “overlay”, “on top of”, “positioned on” or “positioned on top of” mean that a first element, such as a first structure, exists in a second element, such as a second structure. Above, wherein an intermediate element such as an interface structure may exist between the first element and the second element.
  • the term “contacting” means connecting a first element such as a first structure and a second element such as a second structure, but There may or may not be other elements at the interface of the two elements.
  • Embodiments of the present disclosure provide a touch substrate including: a substrate, an electrode layer disposed on the substrate.
  • the electrode layer includes at least two electrodes each having an array of electrode cells including at least two columns of electrode units. Any two columns in the array of electrode cells do not intersect, and each column in the array of electrode cells includes at least two electrode cells connected in series, and any two adjacent columns in the array of electrode cells are connected in parallel by a connection portion.
  • FIG. 1 is a schematic diagram of an array of electrode cells of a touch substrate in accordance with various embodiments of the present disclosure. It should be noted that the number of electrode units in the electrode unit array can be set according to actual needs, and is not limited to the number shown in the figure. The number of columns of the electrode unit array can be set according to actual needs, and is not limited to the number of columns shown in the figure.
  • FIG. 1(a) is a schematic diagram of an electrode unit array of a touch substrate according to an embodiment of the present disclosure.
  • the electrode unit array EUA-1 includes a plurality of electrode units 1a.
  • the number of columns of the electrode unit array EUA-1 is 4 and each of the electrode unit arrays EUA-1 includes four electrode units 1a connected in series as an example for illustration.
  • the electrode unit 1a has a linear shape.
  • any two adjacent columns in the electrode unit array EUA-1 are connected in parallel by the connecting portion 2a.
  • FIG. 1(b) is a schematic diagram of an electrode unit array of a touch substrate according to still another embodiment of the present disclosure.
  • the electrode units different from each of the column of the electrode unit array in Fig. 1(a) form a linear shape
  • the electrode unit of each column in the electrode unit array EUA-2 shown in Fig. 1(b) forms a curved shape.
  • the electrode unit 1b has a curved shape
  • the curved shape of the electrode unit is a curved shape composed of a curved line.
  • the number of columns of the electrode unit array EUA-2 is 3 and each column of the electrode unit array EUA-2 includes three electrode units 1b connected in series as an example for illustration. As can be seen from Fig. 1(b), any two adjacent columns in the electrode unit array EUA-2 are connected in parallel by the connecting portion 2b.
  • FIG. 1(c) is a schematic diagram of an electrode unit array of a touch substrate according to still another embodiment of the present disclosure.
  • the number of columns of the electrode unit array EUA-3 is 5 and each of the electrode unit arrays EUA-3 includes five electrode units 1c connected in series as an example for exemplification.
  • the electrode unit 1c has a curved shape and a curved shape of the electrode unit It is a curved shape composed of straight lines. As can be seen from Fig. 1(c), any two adjacent columns in the electrode unit array EUA-3 are connected in parallel by the connecting portion 2c.
  • the electrode unit and the connecting portion may be formed at the same time or may be formed of the same material. By changing the series and parallel positions and the number of electrode units in the electrode unit array, it is possible to realize an impedance design such as an electrode or the like.
  • the arrangement direction of the columns of the electrode unit arrays shown in FIGS. 1(b) and 1(c) can be different from the pixel direction in the liquid crystal display (ie, the length of the R/G/B sub-pixels) Edge direction), so that interference can be avoided.
  • the electrodes of the electrode layer are arranged in a longitudinal direction and the adjacent electrodes have a complementary shape.
  • the sub-electrodes of the touch substrate according to an embodiment of the present disclosure may have a triangular or diamond shape, and electrodes of the electrode layers of the touch substrate are combined into a rectangular shape.
  • the number of triangular shaped sub-electrodes and rhombic shaped sub-electrodes is not limited, and the number of sub-electrodes can be adjusted according to actual needs.
  • the number of electrodes is also not limited, and the number of electrodes can be adjusted according to actual needs.
  • the acute angles in the inner corners of the triangular and diamond shapes of the sub-electrodes range between 5[deg.] and 45[deg.]. The following is described in detail with reference to examples.
  • the sub-electrode shape of the touch substrate may include at least one of the following shapes: a first shape S1, a second shape S2, a third shape S3, and a fourth shape S40.
  • a first shape S1 a shape of the touch substrate
  • a second shape S2 a shape of the touch substrate
  • a third shape S3 a shape of the touch substrate
  • a fourth shape S40 a shape of each sub-electrode in FIG. 2
  • the shape of the sub-electrodes of the embodiments of the present disclosure may also include other shapes, and is not limited to only the shape shown in FIG. 2.
  • the acute angles in the inner corners of the triangles and diamonds of each sub-electrode range between 5° and 45°.
  • the first shape S1 has a triangular shape.
  • the triangle can be an isosceles triangle.
  • the second shape S2 is a shape composed of the first triangle S21 and the second triangle S22.
  • the first triangle S21 and the second triangle S22 have a first common vertex P1, and an angle bisector of the first triangle S21 passing through the first common vertex P1 and an angle of the second triangle S22 crossing the first common vertex P1
  • the bisector (about the first common vertex P1) is centered symmetry.
  • the angle bisector of the first triangle S21 passing through the first common vertex P1 and the angle bisector of the second triangle S22 passing through the first common vertex P1 are on the same straight line (second line) L2.
  • the first triangle S21 and the second triangle S22 may be isosceles triangles.
  • the third shape S3 of Fig. 2(c) has a rhombic shape.
  • the fourth shape S4 is a shape composed of a third triangle S41 and a fourth triangle S42. And wherein the third triangle S41 and the fourth triangle S42 have a second common vertex P2, and one of the third triangle S41 crossing the second common vertex P2 and one of the fourth triangle S42 crossing the second common vertex P2 The sides are on the same straight line (ie, the fifth straight line) L5, and the third triangle S41 and the fourth triangle S42 are located on the same side of the straight line.
  • the third triangle S41 and the fourth triangle S42 may be right triangles.
  • the electrode of the electrode layer includes a first electrode, a second electrode, and a third electrode that are sequentially disposed along the longitudinal direction and spaced apart from each other, and wherein the first electrode includes at least one first sub-electrode, The second electrode includes at least one second sub-electrode, the third electrode including at least one third sub-electrode.
  • FIG. 3 is a schematic diagram showing an electrode layer in accordance with an embodiment of the present disclosure.
  • the first electrode 100A includes a first sub-electrode 10
  • the second electrode 200A includes a second sub-electrode 20
  • the third electrode 300A includes a third sub-electrode 30.
  • the first sub-electrode 10 has a triangular first shape S1
  • the second sub-electrode 20 has a second shape S2 composed of two triangles
  • the third sub-electrode has a triangular first shape S1.
  • adjacent electrodes between the first electrode, the second electrode, and the third electrode have complementary shapes, and the three electrodes are formed in a rectangular shape.
  • FIG. 4 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • the electrode of the electrode layer further includes at least one repeating primitive RC-A disposed between the first electrode 100A and the second electrode 200A, the repeating unit including at least one first repeating primitive portion RC1 and At least one second repeating primitive portion RC2, and wherein the first repeating primitive portion has a second shape S2 and the second repeating primitive portion has a third shape S3.
  • FIG. 5 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • the first electrode 100B includes a plurality of first sub-electrodes disposed along a lateral direction
  • the second electrode 200B includes a plurality of second sub-electrodes disposed along a lateral direction
  • the third electrode 300B includes A plurality of third sub-electrodes disposed along the lateral direction are included
  • the repeating unit RC-B includes a plurality of first repeating unit portions disposed along the lateral direction and a plurality of second repeating unit portions disposed along the lateral direction.
  • the electrode of the electrode layer includes first and fifth electrodes that are sequentially disposed along the longitudinal direction and spaced apart from each other, and wherein the first electrode includes at least one first sub-electrode.
  • FIG. 6 is a schematic view showing an electrode layer according to another embodiment of the present disclosure.
  • the electrode of the electrode layer includes a first electrode 100A and a fourth electrode 400A which are sequentially disposed along the longitudinal direction and are spaced apart from each other, wherein the first electrode includes a first sub-electrode 10, and the fourth electrode includes a fourth electrode.
  • the first sub-electrode has a first shape S1 and the fourth sub-electrode has a fourth shape S4.
  • the adjacent first and fourth electrodes have complementary shapes, and the first electrode and the fourth electrode are composed in a rectangular shape.
  • FIG. 7 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • the electrode of the electrode layer further includes at least one repeating unit RC-A disposed between the first electrode 100A and the fourth electrode 400A, the repeating unit including at least one first repeating primitive portion RC1 and At least one second repeating primitive portion RC2, and wherein the first repeating primitive portion has a second shape S2 and the second repeating primitive portion has a third shape S3.
  • the area ratio between the first electrode 100A, the first repeating element portion RC1, the second repeating element portion RC2, and the fourth electrode 400A may be configured as 57:61:57:19.
  • FIG. 8 is a schematic view showing an electrode layer according to still another embodiment of the present disclosure.
  • the first electrode 100B includes a plurality of first sub-electrodes disposed along a lateral direction
  • the fourth electrode 400B includes a plurality of fourth sub-electrodes disposed along a lateral direction
  • the repeating unit RC-B includes along A plurality of first repeating unit portions disposed in a lateral direction and a plurality of second repeating unit portions disposed along a lateral direction.
  • FIG. 9 is a schematic diagram of an electrode layer in accordance with another embodiment of the present disclosure.
  • the edge of the sub-electrode (for example, a triangular shape or a rhombic shape) may have a step shape.
  • the shape of the sub-electrode is not strictly in accordance with the situation shown in FIG. 2, It may be substantially triangular or diamond shaped.
  • Embodiments of the present disclosure also provide a display panel including the touch substrate as described above.
  • FIG. 10 shows a schematic diagram of a display panel in accordance with one embodiment of the present disclosure.
  • the display panel 2000 may include the touch substrate 1000 as described above.
  • Embodiments of the present disclosure also provide a display device including the display panel as described above.
  • FIG. 11 shows a schematic diagram of a display device in accordance with an embodiment of the present disclosure.
  • the display device 2000 may include the display panel 2000 as described above.
  • the display device may be a device having a display function, such as a display panel, a display, a television, a tablet, a mobile phone, a navigator, etc., which is not limited in this disclosure.
  • the technical solution provided by the embodiment of the present disclosure can solve the problem that the electrode impedance in the prior art is too large, the impedance of the equal impedance is difficult, and the repeatability is poor.
  • an electrode layer on a substrate to include at least two electrodes, wherein each electrode includes at least one sub-electrode having an array of electrode cells including at least two columns of electrode cells, wherein the electrode cell array Any two of the columns do not intersect, each column in the array of electrode cells includes at least two of the electrode cells connected in series, and any two adjacent columns of the array of electrode cells are connected in parallel by a connection portion
  • the connection can realize the equal-impedance and other capacitance design between different electrodes, improve the touch experience of the product, reduce the difficulty and complexity of the design wiring, and realize the borderless or narrow border technology in the touch field.

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

Abstract

本公开文本涉及一种触控基板、显示面板以及显示装置。所述触控基板包括：衬底，设置在所述衬底上的电极层，所述电极层包括至少两个电极，其中，每个所述电极包括至少一个子电极，所述子电极具有包括至少两列电极单元的电极单元阵列，其中，所述电极单元阵列中的任意两个列不相交，所述电极单元阵列中的每一列包括串联连接的至少两个所述电极单元，且所述电极单元阵列中的任意两个邻近列之间通过连接部而并联连接。

Description

触控基板、显示面板以及显示装置
相关申请的交叉引用
本申请要求于2016年08月11日递交的中国专利申请第201610654989.7号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。
技术领域
本公开文本涉及显示技术领域。更具体地，涉及一种触控基板、显示面板以及显示装置。
背景技术
在个人数字助理(Personal Digital Assistant，PDA)、笔记本电脑、办公室自动化设备、医疗设备和汽车导航系统等电子设备中，已经广泛应用触摸屏作为这些显示器的输入手段。触摸技术的发展出现了电阻、电容、电磁等不同的技术方向。而电容屏凭借低廉的成本和优异的用户体验已成为主流产品。
桥接式触摸屏的叠层结构复杂，会导致触摸屏的透过率低等弊端，从而影响触摸屏的外观效果和使用性能。当前市场对窄边框及无边框技术需求越来越大，单层(single layer)技术因采用氧化铟锡(ITO)边缘走线可以实现无边框-窄边框技术。因此，单层技术吸引了人们的注意。
然而，目前的单层技术存在电极块阻抗过大且等阻抗布线困难且重复性差的问题，导致产品设计难度增大及最终产品性能下降。
发明内容
本公开文本的实施例提供一种触控基板、显示面板以及显示装置，能够解决现有技术中的电极块阻抗过大、等阻抗布线困难且重复性差的问题。
本公开文本的一个目的在于提供一种触控基板。
本公开文本的第一方面提供了一种触控基板，所述触控基板包括：衬底，设置在所述衬底上的电极层，所述电极层包括至少两个电极，其中，每个所述电极包括至少一个子电极，所述子电极具有包括至少两列电极单元的电极单元阵列，其中，所述电极单元阵列中的任意两个列不相交，所述电极单元阵列中的每一列包括串联连接的至少两个所述电极单元，且所述电极单元阵列中的任意两个邻近列之间通过连接部而并联连接。
在一个实施例中，所述电极单元阵列中的每一列的所述电极单元形成弯曲形状。
在一个实施例中，所述弯曲形状包括由直线构成的弯曲形状或者由曲线构成的弯曲形状。
在一个实施例中，所述至少两个电极沿纵向排列，且所述至少两个电极中的相邻电极具有互补形状。
在一个实施例中，所述子电极具有三角形或菱形形状，并且所述具有互补形状的至少两个电极中的相邻电极组合形成矩形。
在一个实施例中，所述子电极具有下列形状中的至少一种：
第一形状，所述第一形状为三角形形形状；
第二形状，所述第二形状为第一三角形和第二三角形组成的形状，其中，所述第一三角形和所述第二三角形具有第一公共顶点，且所述第一三角形的穿过所述第一公共顶点的角平分线与所述第二三角形的穿过所述第一公共顶点的角平分线呈中心对称；
第三形状，所述第三形状为菱形形状；
第四形状，所述第四形状为第三三角形和第四三角形组成的形状，其中，所述第三三角形与所述第四三角形具有第二公共顶点，且所述第三三角形的穿过所述第二公共顶点的一个边与所述第四三角形的穿过所述第二公共顶点的一个边位于同一直线上，并且所述第三三角形部分和所述第四三角形部分位于该直线的同一侧。
在一个实施例中，所述至少两个电极包括沿着纵向方向依次设置且彼 此间隔开的第一电极、第二电极和第三电极，并且其中，
所述第一电极包括至少一个第一子电极，并且所述第一子电极具有所述第一形状；
所述第二电极包括至少一个第二子电极，并且所述第二子电极具有所述第二形状；
所述第三电极包括至少一个第三子电极，并且所述第三子电极具有所述第一形状。
在一个实施例中，所述至少两个电极还包括设置在所述第一电极和所述第二电极之间的至少一个重复基元，所述重复基元包括至少一个第一重复基元部分和至少一个第二重复基元部分，并且其中，
所述第一重复基元部分具有所述第二形状；
所述第二重复基元部分具有所述第三形状。
在一个实施例中，所述第一电极包括沿着横向方向设置的多个所述第一子电极；
所述第二电极包括沿着横向方向设置的多个所述第二子电极；
所述第三电极包括沿着横向方向设置的多个所述第三子电极；
所述重复基元包括沿着横向方向设置的多个所述第一重复基元部分和沿着横向方向设置的多个所述第二重复基元部分。
在一个实施例中，所述至少两个电极包括沿着纵向方向依次设置且彼此间隔开的第一电极和第四电极，并且其中，
所述第一电极包括至少一个第一子电极，并且所述第一子电极具有所述第一形状；
所述第四电极包括至少一个第四子电极，所述第四子电极具有所述第四形状。
在一个实施例中，所述至少两个电极还包括设置在所述第一电极和所述第四电极之间的至少一个重复基元，所述重复基元包括至少一个第一重复基元部分和至少一个第二重复基元部分，并且其中，
所述第一重复基元部分具有所述第二形状；
所述第二重复基元部分具有所述第三形状。
在一个实施例中，所述第一电极包括沿着横向方向设置的多个所述第一子电极；
所述第四电极包括沿着横向方向设置的多个所述第四子电极；
所述重复基元包括沿着横向方向设置的多个所述第一重复基元部分和沿着横向方向设置的多个所述第二重复基元部分。
在一个实施例中，所述第一电极、所述第一重复基元部分、所述第二重复基元部分和所述第四电极之间的面积比为57:61:57:19。
在一个实施例中，所述子电极的三角形和菱形的各内角中的锐角范围在5°—45°之间。
本公开文本的另一个目的在于提供一种显示面板。
本公开文本的第二方面提供了一种显示面板，其中，所述显示面板包括如上所述的触控基板。
本公开文本的再一个目的在于提供一种显示装置。
本公开文本的第三方面提供了一种显示装置，其中，所述显示装置包括如上所述的显示面板。
附图说明
为了更清楚地说明本公开文本的实施例的技术方案，下面将对实施例的附图进行简要说明，应当知道，以下描述的附图仅仅涉及本公开文本的一些实施例，而非对本公开文本的限制，其中：
图1(a)为根据本公开文本的一个实施例的触控基板的电极单元阵列的示意图；
图1(b)为根据本公开文本的又一个实施例的触控基板的电极单元阵列的示意图；
图1(c)为根据本公开文本的又一个实施例的触控基板的电极单元阵列的示意图；
图2为根据本公开文本的一个实施例的触控基板的不同子电极形状的 示意图；
图3为示出了根据本公开文本的一个实施例的示意图；
图4为示出了根据本公开文本的又一个实施例的电极层的示意图；
图5为示出了根据本公开文本的又一个实施例的电极层的示意图；
图6为示出了根据本公开文本的另一个实施例的电极层的示意图；
图7为示出了根据本公开文本的又一个实施例的电极层的示意图；
图8为示出了根据本公开文本的又一个实施例的电极层的示意图；
图9为示出了根据本公开文本的另一个实施例的电极层的示意图；
图10为示出了根据本公开文本的一个实施例的显示面板的示意图；
图11为示出了根据本公开文本的一个实施例的显示装置的示意图。
具体实施方式
为了使本公开文本的实施例的目的、技术方案和优点更加清楚，下面将接合附图，对本公开文本的实施例的技术方案进行清楚、完整的描述。显然，所描述的实施例是本公开文本的一部分实施例，而不是全部的实施例。基于所描述的本公开文本的实施例，本领域技术人员在无需创造性劳动的前提下所获得的所有其他实施例，也都属于本公开文本保护的范围。
当介绍本公开文本的元素及其实施例时，除非上下文中另外明确地指出，否则在本文和所附权利要求中所使用的词语的单数形式包括复数，反之亦然。因而，当提及单数时，通常包括相应术语的复数。用语“包含”、“包括”、“含有”和“具有”旨在包括性的并且表示可以存在除所列要素之外的另外的要素。
出于下文表面描述的目的，如其在附图中被标定方向那样，术语“上”、“下”、“左”、“右”“垂直”、“水平”、“顶”、“底”及其派生词应涉及公开文本。术语“上覆”、“在……顶上”、“定位在……上”或者“定位在……顶上”意味着诸如第一结构的第一要素存在于诸如第二结构的第二要素上，其中，在第一要素和第二要素之间可存在诸如界面结构的中间要素。术语“接触”意味着连接诸如第一结构的第一要素和诸如第二结构的第二要素，而在 两个要素的界面处可以有或者没有其它要素。
本公开文本的实施例提供了一种触控基板，该触控基板包括：衬底，设置在衬底上的电极层。该电极层包括至少两个电极，每个电极具有包括至少两列电极单元的电极单元阵列。该电极单元阵列中的任意两个列不相交，电极单元阵列中的每一列包括串联连接的至少两个电极单元，且电极单元阵列中的任意两个邻近列之间通过连接部而并联连接。
图1为根据本公开文本的不同实施例的触控基板的电极单元阵列的示意图。需要说明，电极单元阵列中的电极单元数目可根据实际需要而设置，并非限制于图中所示的数目。电极单元阵列的列数可以根据实际需要而设置，并非限制于图中所示的列数。
图1(a)为根据本公开文本的一个实施例的触控基板的电极单元阵列的示意图。如图(a)所示，电极单元阵列EUA-1包括多个电极单元1a。图1(a)中以电极单元阵列EUA-1的列数为4且电极单元阵列EUA-1中的每一列包括串联连接的4个电极单元1a为例进行示例性说明。在图1(a)中，电极单元1a具有直线形状。从图1(a)可以看出，电极单元阵列EUA-1中的任意两个邻近列之间通过连接部2a而并联连接。
图1(b)为根据本公开文本的又一个实施例的触控基板的电极单元阵列的示意图。不同于图1(a)中的电极单元阵列中的每一列的电极单元形成直线形状，图1(b)示出的电极单元阵列EUA-2中的每一列的电极单元形成弯曲形状。在图1(b)中，电极单元1b具有曲线形状，电极单元的弯曲形状为由曲线构成的弯曲形状。图1(b)中以电极单元阵列EUA-2的列数为3且电极单元阵列EUA-2中的每一列包括串联连接的3个电极单元1b为例进行示例性说明。从图1(b)可以看出，电极单元阵列EUA-2中的任意两个邻近列之间通过连接部2b而并联连接。
图1(c)为根据本公开文本的又一个实施例的触控基板的电极单元阵列的示意图。图1(c)中以电极单元阵列EUA-3的列数为5且电极单元阵列EUA-3中的每一列包括串联连接的5个电极单元1c为例进行示例性说明。在图1(c)中，电极单元1c具有曲线形状，电极单元的弯曲形状 为由直线构成的弯曲形状。从图1(c)可以看出，电极单元阵列EUA-3中的任意两个邻近列之间通过连接部2c而并联连接。
需要说明，电极单元和连接部可以同时形成，也可以采用相同的材料形成。通过改变电极单元阵列中的电极单元的串联和并联位置以及数目，可以实现电极等阻抗等电容设计。
在用于液晶显示器时，图1(b)和图1(c)示出的电极单元阵列的列的设置方向能够不同于液晶显示器中的像素方向(即，R/G/B子像素的长边方向)，从而可以避免形成干涉。
在一个实施例中，电极层的电极被沿纵向排列，且相邻电极具有互补形状。根据本公开文本的实施例的触控基板的子电极可以具有三角形或菱形形状，并且触控基板的电极层的电极被组合为矩形。三角形形状的子电极和菱形形状的子电极的数目不受限制，可根据实际需要调整子电极的数目。电极的数目也不受限制，可根据实际需要调整电极的数目。在一个实施例中，子电极的三角形和菱形的各内角中的锐角范围在5°—45°之间。下面结合示例进行具体说明。
图2为根据本公开文本的一个实施例的触控基板的不同子电极形状的示意图。如图2所示，触控基板的子电极形状可以包括下列形状的至少一种：第一形状S1、第二形状S2、第三形状S3和第四形状S40。需要说明，图2中的各个子电极形状仅为示例性的，并非用于限制性目的。本公开文本的实施例的子电极的形状也可以包括其它形状，而非仅限制于图2中所示的形状。在一个实施例中，各个子电极的三角形和菱形的各内角中的锐角范围在5°—45°之间。
如图2(a)所示，第一形状S1为三角形形状。该三角形可以为等腰三角形。
如图2(b)所示，第二形状S2为第一三角形S21和第二三角形S22组成的形状。其中，第一三角形S21和第二三角形S22具有第一公共顶点P1，且第一三角形S21的穿过第一公共顶点P1的角平分线与第二三角形S22的穿过第一公共顶点P1的角平分线(关于第一公共顶点P1)呈中心 对称。换而言之，第一三角形S21的穿过第一公共顶点P1的角平分线与第二三角形S22的穿过第一公共顶点P1的角平分线位于同一直线(第二直线)L2上。第一三角形S21和第二三角形S22可以为等腰三角形。
如图2(c)第三形状S3为菱形形状。如图2(d)所示，第四形状S4为第三三角形S41和第四三角形S42组成的形状。并且其中，第三三角形S41与第四三角形S42具有第二公共顶点P2，且第三三角形S41的穿过第二公共顶点P2的一个边与第四三角形S42的穿过第二公共顶点P2的一个边位于同一直线(即，第五直线)L5上，并且第三三角形S41和第四三角形S42位于该直线的同一侧。第三三角形S41和第四三角形S42可以为直角三角形。
在一个实施例中，电极层的电极包括沿着纵向方向依次设置且彼此间隔开的第一电极、第二电极和第三电极，并且其中，该第一电极包括至少一个第一子电极，该第二电极包括至少一个第二子电极，该第三电极包括至少一个第三子电极。
图3为示出了根据本公开文本的一个实施例的电极层的示意图。如图3所示，第一电极100A包括第一子电极10，第二电极200A包括第二子电极20，第三电极300A包括第三子电极30。第一子电极10具有三角形的第一形状S1，第二子电极20具有两个三角形组成的第二形状S2，第三子电极具有三角形的第一形状S1。从图3可以看出，第一电极、第二电极和第三电极之间的相邻电极具有互补形状，且三个电极组成为矩形形状。
图4为示出了根据本公开文本的又一个实施例的电极层的示意图。如图4所示，电极层的电极还包括设置在第一电极100A和第二电极200A之间的至少一个重复基元RC-A，该重复基元包括至少一个第一重复基元部分RC1和至少一个第二重复基元部分RC2，并且其中，第一重复基元部分具有第二形状S2，第二重复基元部分具有第三形状S3。
图5为示出了根据本公开文本的又一个实施例的电极层的示意图。如图5所示，第一电极100B包括沿着横向方向设置的多个第一子电极；第二电极200B包括沿着横向方向设置的多个第二子电极；第三电极300B包 括沿着横向方向设置的多个第三子电极；重复单元RC-B包括沿着横向方向设置的多个第一重复单位部分和沿着横向方向设置的多个第二重复单元部分。
在一个实施例中，电极层的电极包括沿着纵向方向依次设置且彼此间隔开的第一电极和第五电极，并且其中，该第一电极包括至少一个第一子电极。
图6为示出了根据本公开文本的另一个实施例的电极层的示意图。如图6所示，电极层的电极包括沿着纵向方向依次设置且彼此间隔开的第一电极100A和第四电极400A，其中，第一电极包括第一子电极10，第四电极包括第四子电极40。第一子电极具有第一形状S1，所述第四子电极具有第四形状S4。从图6可以看出，相邻的第一电极和第四电极具有互补形状，且第一电极和第四电极组成为矩形形状。
图7为示出了根据本公开文本的又一个实施例的电极层的示意图。如图7所示，电极层的电极还包括设置在第一电极100A和第四电极400A之间的至少一个重复基元RC-A，该重复基元包括至少一个第一重复基元部分RC1和至少一个第二重复基元部分RC2，并且其中，第一重复基元部分具有第二形状S2，第二重复基元部分具有第三形状S3。
在一个实施例中，对于图7所示的结构，可以将第一电极100A、第一重复基元部分RC1、所述第二重复基元部分RC2和第四电极400A之间的面积比配置为57:61:57:19。
图8为示出了根据本公开文本的又一个实施例的电极层的示意图。如图8所示，第一电极100B包括沿着横向方向设置的多个第一子电极；第四电极400B包括沿着横向方向设置的多个第四子电极；重复单元RC-B包括沿着横向方向设置的多个第一重复单位部分和沿着横向方向设置的多个第二重复单元部分。
图9为根据本公开文本的另一个实施例的电极层的示意图。如图9所示，在实际操作中，子电极(例如，三角形形状或者菱形形状)的边缘可具有台阶形状。并且，子电极的形状并非严格按照图2中所示的情况，其 可以大体上为三角形或者菱形形状。
本公开文本的实施例还提供了一种显示面板，该显示面板包括如上所述的触控基板。
图10示出了根据本公开文本的一个实施例的显示面板的示意图。如图10所示，显示面板2000可以包括如上所述的触控基板1000。
本公开文本的实施例还提供了一种显示装置，该显示装置包括如上所述的显示面板。
图11示出了根据本公开文本的一个实施例的显示装置的示意图。如图11所示，显示装置2000可以包括如上所述的显示面板2000。
显示装置可以为显示面板、显示器、电视机、平板电脑、手机、导航仪等具有显示功能的设备，本公开文本对此不做限定。
本公开文本的实施例提供的技术方案，可以解决现有技术中的电极阻抗过大、等阻抗布线困难且重复性差的问题。通过将衬底上的电极层配置为包括至少两个电极，其中，每个电极包括至少一个子电极，所述子电极具有包括至少两列电极单元的电极单元阵列，其中，所述电极单元阵列中的任意两个列不相交，所述电极单元阵列中的每一列包括串联连接的至少两个所述电极单元，且所述电极单元阵列中的任意两个邻近列之间通过连接部而并联连接，从而能够实现不同电极之间的等阻抗等电容设计，提高产品触控体验，降低设计布线难度及复杂程度，可实现触控领域的无边框或窄边框技术。
已经描述了某特定实施例，这些实施例仅通过举例的方式展现，而且不旨在限制本公开文本的范围。事实上，本文所描述的新颖实施例可以以各种其它形式来实施；此外，可在不脱离本公开文本的精神下，做出以本文所描述的实施例的形式的各种省略、替代和改变。所附权利要求以及它们的等价物旨在覆盖落在本公开文本范围和精神内的此类形式或者修改。

Claims (16)

  1. 一种触控基板，所述触控基板包括：衬底，设置在所述衬底上的电极层，所述电极层包括至少两个电极，其中，
    每个所述电极包括至少一个子电极，所述子电极具有包括至少两列电极单元的电极单元阵列，其中，所述电极单元阵列中的任意两个列不相交，所述电极单元阵列中的每一列包括串联连接的至少两个所述电极单元，且所述电极单元阵列中的任意两个邻近列之间通过连接部而并联连接。
  2. 根据权利要求1所述的触控基板，其中，所述电极单元阵列中的每一列的所述电极单元形成弯曲形状。
  3. 根据权利要求2所述的触控基板，其中，所述弯曲形状包括由直线构成的弯曲形状或者由曲线构成的弯曲形状。
  4. 根据权利要求1-3中任一项所述的触控基板，其中，所述至少两个电极沿纵向排列，且所述至少两个电极中的相邻电极具有互补形状。
  5. 根据权利要求4所述的触控基板，其中，所述子电极具有三角形或菱形形状，并且所述具有互补形状的至少两个电极中的相邻电极组合形成矩形。
  6. 根据权利要求5所述的触控基板，其中，所述子电极具有下列形状中的至少一种：
    第一形状，所述第一形状为三角形形状；
    第二形状，所述第二形状为第一三角形和第二三角形组成的形状，其中，所述第一三角形和所述第二三角形具有第一公共顶点，且所述第一三角形的穿过所述第一公共顶点的角平分线与所述第二三角形的穿过所述第一公共顶点的角平分线呈中心对称；
    第三形状，所述第三形状为菱形形状；
    第四形状，所述第四形状为第三三角形和第四三角形组成的形状，其中，所述第三三角形与所述第四三角形具有第二公共顶点，且所述第三三角形的穿过所述第二公共顶点的一个边与所述第四三角形的穿过所述第二公共顶点的一个边位于同一直线上，并且所述第三三角形部分和所述第 四三角形部分位于该直线的同一侧。
  7. 根据权利要求6所述的触控基板，其中，所述至少两个电极包括沿着纵向方向依次设置且彼此间隔开的第一电极、第二电极和第三电极，并且其中，
    所述第一电极包括至少一个第一子电极，并且所述第一子电极具有所述第一形状；
    所述第二电极包括至少一个第二子电极，并且所述第二子电极具有所述第二形状；
    所述第三电极包括至少一个第三子电极，并且所述第三子电极具有所述第一形状。
  8. 根据权利要求7所述的触控基板，其中，所述至少两个电极还包括设置在所述第一电极和所述第二电极之间的至少一个重复基元，所述重复基元包括至少一个第一重复基元部分和至少一个第二重复基元部分，并且其中，
    所述第一重复基元部分具有所述第二形状；
    所述第二重复基元部分具有所述第三形状。
  9. 根据权利要求8所述的触控基板，其中，
    所述第一电极包括沿着横向方向设置的多个所述第一子电极；
    所述第二电极包括沿着横向方向设置的多个所述第二子电极；
    所述第三电极包括沿着横向方向设置的多个所述第三子电极；
    所述重复基元包括沿着横向方向设置的多个所述第一重复基元部分和沿着横向方向设置的多个所述第二重复基元部分。
  10. 根据权利要求6所述的触控基板，其中，所述至少两个电极包括沿着纵向方向依次设置且彼此间隔开的第一电极和第四电极，并且其中，
    所述第一电极包括至少一个第一子电极，并且所述第一子电极具有所述第一形状；
    所述第四电极包括至少一个第四子电极，所述第四子电极具有所述第四形状。
  11. 根据权利要求10所述的触控基板，其中，所述至少两个电极还包括设置在所述第一电极和所述第四电极之间的至少一个重复基元，所述重复基元包括至少一个第一重复基元部分和至少一个第二重复基元部分，并且其中，
    所述第一重复基元部分具有所述第二形状；
    所述第二重复基元部分具有所述第三形状。
  12. 根据权利要求11所述的触控基板，其中，
    所述第一电极包括沿着横向方向设置的多个所述第一子电极；
    所述第四电极包括沿着横向方向设置的多个所述第四子电极；
    所述重复基元包括沿着横向方向设置的多个所述第一重复基元部分和沿着横向方向设置的多个所述第二重复基元部分。
  13. 根据权利要求11所述的触控基板，其中，
    所述第一电极、所述第一重复基元部分、所述第二重复基元部分和所述第四电极之间的面积比为57:61:57:19。
  14. 根据权利要求5所述的触控基板，其中，所述子电极的三角形和菱形的各内角中的锐角范围在5°-45°之间。
  15. 一种显示面板，其中，所述显示面板包括根据权利要求1-14中任一项所述的触控基板。
  16. 一种显示装置，其中，所述显示装置包括根据权利要求15所述的显示面板。
PCT/CN2017/094848 2016-08-11 2017-07-28 触控基板、显示面板以及显示装置 WO2018028445A1 (zh)

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