WO2022126713A1 - 显示面板以及显示装置 - Google Patents

显示面板以及显示装置 Download PDF

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Publication number
WO2022126713A1
WO2022126713A1 PCT/CN2020/139583 CN2020139583W WO2022126713A1 WO 2022126713 A1 WO2022126713 A1 WO 2022126713A1 CN 2020139583 W CN2020139583 W CN 2020139583W WO 2022126713 A1 WO2022126713 A1 WO 2022126713A1
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WO
WIPO (PCT)
Prior art keywords
touch
electrodes
disposed
array substrate
compensation
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PCT/CN2020/139583
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English (en)
French (fr)
Inventor
方亮
丁玎
Original Assignee
武汉华星光电半导体显示技术有限公司
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Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/284,450 priority Critical patent/US11861088B2/en
Publication of WO2022126713A1 publication Critical patent/WO2022126713A1/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
    • G06F3/0412—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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • 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

Definitions

  • the present application relates to the technical field of display devices, and in particular, to a display panel and a display device.
  • Display devices mainly include Liquid Crystal Display (LCD), Plasma Display Panel (PDP: plasma display panel), Organic Light Emitting Diode (OLED), Active Matrix Organic Electroluminescence (Active-Matrix) Organic Light Emitting Diode, AMOLED), the display device has a broad application space in various products such as vehicle, mobile phone, tablet, computer and TV.
  • LCD Liquid Crystal Display
  • PDP Plasma Display Panel
  • OLED Organic Light Emitting Diode
  • Active-Matrix Active Matrix Organic Electroluminescence
  • AMOLED Organic Light Emitting Diode
  • the touch function has become one of the standard configurations of most display devices.
  • capacitive touch screens are widely used.
  • the basic principle is to use tools such as fingers or stylus to generate capacitance with the touch screen, and use touch
  • the electrical signal formed by the change of the front and rear capacitances is used to confirm whether the panel is touched and to confirm the touch coordinates.
  • the common electrode layer of the panel is divided into several squares. During display, the common electrode signal and the touch scan line signal are continuously switched to realize the integrated function of display and touch.
  • the display panel is affected by RC Loading during touch scanning.
  • the touch signal line of the remote block is long and has a large impedance, so the load of the remote touch signal line is relatively large, and the touch signal line of the near-end block is short and has a small impedance, so the touch signal line of the near end is relatively short.
  • the load of the control signal line is relatively large, that is, the touch signal volume gradually attenuates from the near end to the far end.
  • Embodiments of the present application provide a display panel and a display device to solve the problem of poor display of the display panel.
  • the present application provides a display panel, which includes:
  • an array substrate which is provided with a display area and a non-display area;
  • a driving circuit disposed on the array substrate and located in the non-display area
  • the touch electrode layer includes a plurality of touch electrode blocks arranged in an array on the array substrate and located in the display area, each of the touch electrode blocks including touch electrodes and compensation electrodes insulated from each other, the The touch signal line and the compensation electrode are arranged in the same layer;
  • the touch electrode and the compensation electrode have an overlapping area on the orthographic projection of the array substrate, and the overlapping area of the touch electrode and the compensation electrode on the orthographic projection of the array substrate is from close to the drive
  • the circuit is successively reduced in the direction away from the driving circuit;
  • a plurality of touch signal lines each of which is respectively connected to the driving circuit and a corresponding touch electrode block.
  • the present application also provides a display panel, which includes:
  • an array substrate which is provided with a display area and a non-display area;
  • a driving circuit disposed on the array substrate and located in the non-display area
  • the touch electrode layer includes a plurality of touch electrode blocks arranged in an array on the array substrate and located in the display area, each of the touch electrode blocks including touch electrodes and compensation electrodes insulated from each other, the The touch electrodes and the compensation electrodes have an overlapping area on the orthographic projection of the array substrate, and the overlapping area on the touch electrode blocks close to the driving circuit is larger than the overlapping area on the touch electrode blocks far from the driving circuit ;
  • a plurality of touch signal lines each of which is respectively connected to the driving circuit and a corresponding touch electrode block.
  • the touch electrode layer includes:
  • a through hole is disposed on the insulating layer, and the touch signal line is connected to the corresponding touch electrode through the through hole.
  • the touch signal lines and the compensation electrodes are disposed in the same layer, and the compensation electrodes and the touch signal lines are disposed insulated from each other.
  • the number of the touch signal lines and the touch electrode blocks are the same.
  • the display panel further includes:
  • a light-emitting layer disposed on the array substrate
  • an encapsulation layer disposed on the light-emitting layer and covering the light-emitting layer
  • the touch electrode layer is disposed on the encapsulation layer.
  • the compensation electrodes and the touch signal lines are disposed on the packaging layer at intervals, and the touch electrodes are disposed on the compensation electrodes and the touch signal lines.
  • the touch electrodes are disposed on the encapsulation layer, and the compensation electrodes and the touch signal lines are disposed on the touch electrodes at intervals.
  • the overlapping area of the orthographic projection of the touch electrodes and the compensation electrodes on the array substrate decreases sequentially from the direction close to the driving circuit to the direction away from the driving circuit .
  • the first area is larger than the overlapping area, a plurality of the first areas have the same size, and the first area is the projection of each of the touch electrodes on the array substrate
  • the overlapping area is the projected area of each compensation electrode on the array substrate.
  • the display panel further includes:
  • the cathode layer is disposed between the array substrate and the touch electrodes, and the distance between the cathode layer and the touch electrodes is greater than the distance between the touch electrodes and the compensation electrodes.
  • the present application also provides a display device, which includes a display panel, and the display panel includes:
  • an array substrate which is provided with a display area and a non-display area;
  • a driving circuit disposed on the array substrate and located in the non-display area
  • the touch electrode layer includes a plurality of touch electrode blocks arranged in an array on the array substrate and located in the display area, each of the touch electrode blocks including touch electrodes and compensation electrodes insulated from each other, the The touch electrodes and the compensation electrodes have an overlapping area on the orthographic projection of the array substrate, and the overlapping area on the touch electrode blocks close to the driving circuit is larger than the overlapping area on the touch electrode blocks far from the driving circuit ;
  • a plurality of touch signal lines each of which is respectively connected to the driving circuit and a corresponding touch electrode block.
  • the touch electrode layer includes:
  • a through hole is disposed on the insulating layer, and the touch signal line is connected to the corresponding touch electrode through the through hole.
  • the touch signal lines and the compensation electrodes are disposed in the same layer, and the compensation electrodes and the touch signal lines are disposed insulated from each other.
  • the number of the touch signal lines and the touch electrode blocks are the same.
  • the display panel further includes:
  • a light-emitting layer disposed on the array substrate
  • an encapsulation layer disposed on the light-emitting layer and covering the light-emitting layer
  • the touch electrode layer is disposed on the encapsulation layer.
  • the compensation electrodes and the touch signal lines are disposed on the packaging layer at intervals, and the touch electrodes are disposed on the compensation electrodes and the touch signal lines.
  • the touch electrodes are disposed on the encapsulation layer, and the compensation electrodes and the touch signal lines are disposed on the touch electrodes at intervals.
  • the overlapping area of the orthographic projection of the touch electrodes and the compensation electrodes on the array substrate decreases sequentially from the direction close to the driving circuit to the direction away from the driving circuit .
  • the first area is larger than the overlapping area, a plurality of the first areas have the same size, and the first area is the projection of each of the touch electrodes on the array substrate
  • the overlapping area is the projected area of each compensation electrode on the array substrate.
  • the beneficial effects of the present application are: by adding compensation electrodes on the basis of the original touch electrodes of the touch electrode blocks, and changing the capacitance of the touch electrode blocks by the overlapping area of the compensation electrodes and the touch electrodes on the array substrate, Since the touch electrode blocks close to the driving circuit have low impedance, while the touch electrode blocks far away from the driving circuit have high impedance, by setting the touch electrode blocks close to the driving circuit to have a large overlap area, the touch electrodes far away from the driving circuit have a large overlap area.
  • the overlapping area on the control electrode blocks is small, so that the impedance difference of each of the touch electrode blocks is within a preset range, so as to compensate the impedance difference generated by the touch electrode blocks at the near end and the far end, and improve the touch signal caused by the touch.
  • the difference in touch performance caused by the line impedance improves the touch performance of the display panel.
  • FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present application.
  • FIG. 2 is a partial enlarged schematic diagram of A in FIG. 1 according to an embodiment of the present application.
  • FIG. 3 is a schematic cross-sectional structure diagram of B-B in FIG. 2 according to an embodiment of the present application.
  • FIG. 4 is another partially enlarged schematic diagram of A in FIG. 1 provided by an embodiment of the present application.
  • FIG. 5 is another schematic cross-sectional structure diagram of B-B in FIG. 4 according to an embodiment of the present application.
  • first and second are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as “first”, “second” may expressly or implicitly include one or more of said features. In the description of the present application, “plurality” means two or more, unless otherwise expressly and specifically defined.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • installed should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • a first feature "on” or “under” a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level above the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes the first feature is directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the present application provides a display panel including: an array substrate 10 , a driving circuit 30 , a plurality of touch electrode blocks 201 , and a plurality of touch signal lines 40 .
  • the array substrate 10 is provided with a display area 101 and a non-display area 102 , wherein the non-display area 102 surrounds the display area 101 .
  • the driving circuit 30 is disposed at one end of the non-display area 102 to implement the touch driving function; specifically, the driving circuit 30 is disposed along the first direction E.
  • a plurality of touch signal lines 40 each of which is connected to the driving circuit 30 and a touch electrode block 201 respectively. Specifically, each touch signal line 40 is connected to the driving circuit 30 by the driving circuit 30 . It extends to one touch electrode block 201 along the second direction F.
  • a plurality of touch electrode blocks 201 are arranged in the display area 101 in an array. Specifically, the plurality of touch electrode blocks 201 are arranged in an array along the first direction E and the second direction F respectively.
  • the directions F are perpendicular to each other.
  • the first direction E is a horizontal direction
  • the second direction F is a vertical direction.
  • Each of the touch electrode blocks 201 includes insulated touch electrodes 21 and compensation electrodes 22 , and the touch electrodes 21 and the compensation electrodes 22 have overlapping areas on the orthographic projection of the array substrate 10 and are close to the
  • the overlapping area on the touch electrode blocks 201 of the driving circuit 30 is larger than the overlapping area on the touch electrode blocks 201 far away from the driving circuit 30, so that the impedance difference of each of the touch electrode blocks is within a preset range,
  • the preset range can be set according to actual needs, for example, 0%-10%.
  • the impedance difference between the touch electrode blocks 201 in each row is in the range of 5%, so as to improve the touch uniformity of the display panel.
  • compensation electrodes 22 are added on the basis of the original touch electrodes 21 of the touch electrode block 201 , and the overlap of the compensation electrodes 22 and the touch electrodes 21 on the array substrate 10 is achieved.
  • the capacitance of the touch electrode block 201 is changed by the area of the touch electrode block 201.
  • the touch electrode block 201 close to the driving circuit 30 has a small impedance, and the touch electrode block 201 far from the driving circuit 30 has a large impedance, the The overlap area on the touch electrode blocks 201 is large, and the overlap area on the touch electrode blocks 201 far from the driving circuit 30 is small, so that the impedance difference of each touch electrode block is within a preset range, so as to compensate
  • the impedance difference between the near end and the far end of the touch electrode block 201 improves the touch performance difference caused by the impedance of the touch signal line 40 , thereby improving the touch performance of the display panel.
  • the first area is the projected area of each touch electrode 21 on the array substrate 10 .
  • the area of each touch electrode 21 is the same as the At the same time, a plurality of the first areas are of the same size, and the first areas are larger than the overlapping area, wherein the overlapping area is the projected area of each of the compensation electrodes 22 on the array substrate 10 .
  • the area of the electrode 21 remains unchanged, and the increase in the capacitance of the touch electrode block can be controlled only by changing the area of the compensation capacitor, which is conducive to simplifying the processing of the touch electrode block.
  • the touch electrodes 21 and the compensation electrodes decreases sequentially.
  • the impedance changes as the impedance increases sequentially, and the overlap area determines the size of the compensation capacitor. The smaller the overlap area, the smaller the compensation capacitor.
  • the overlapping area of the orthographic projection of the touch electrodes 21 and the compensation electrodes 22 on the array substrate 20 is set to decrease in sequence, so that the compensation capacitance generated by the compensation electrodes 22 decreases sequentially along the first direction F , so that the impedance difference of each of the touch electrode blocks is within a preset range, so as to compensate the impedance difference generated by the touch electrode blocks 201 at the near end and the far end, and improve the touch caused by the impedance of the touch signal line 40 performance difference, thereby improving the touch performance of the display panel.
  • the display panel further includes a cathode layer 53 disposed between the array substrate 10 and the touch electrodes 21 , and the distance between the cathode layer 53 and the touch electrodes 21 greater than the distance between the touch electrode and the compensation electrode.
  • the display panel further includes a light emitting layer 50 , an encapsulation layer 60 and a touch electrode layer 20 .
  • the light-emitting layer 50 is disposed on the array substrate 10; specifically, the light-emitting layer 50 includes an anode layer 51, an organic light-emitting layer 52, and a cathode layer 53 that are sequentially disposed on the array substrate 10, wherein the anode layer 51 is disposed On the substrate, the organic light-emitting layer 52 is on the anode, the cathode layer 53 covers the organic light-emitting layer 52 , and the cathode layer 53 and the anode layer 51 form an electric field.
  • the distance between the cathode layer 53 and the touch electrodes 21 is greater than the distance between the touch electrodes and the compensation electrodes.
  • k is the dielectric constant
  • S is the relative area
  • d is the spacing
  • the relative area between the touch electrodes 21 and the compensation electrodes 22 that is, the overlapping area of the projections of the touch electrodes 21 and the compensation electrodes 22 on the array substrate 10 is defined as S 1 , the spacing is d 1 , the capacitance C 1 is formed between the touch electrode 21 and the compensation electrode 22 ; and the relative area between the touch electrode 21 and the cathode in the light-emitting layer is the orthographic projection of the touch electrode 21 on the cathode. If the area is S 2 and the distance is d 2 , the capacitance C 2 is formed between the touch electrode 21 and the cathode.
  • the capacitance of the touch electrode block 201 it is possible to increase the compensation for the impedance difference between the near end and the far end of the touch electrode block 201, so as to improve the RC loading consistency of the display panel, thereby improving the uniformity of the touch performance of the display panel.
  • the encapsulation layer 60 is disposed on the light emitting layer 50 and covers the light emitting layer 50 , and the touch electrodes 21 and the compensation electrodes 22 are disposed on the encapsulation layer 60 .
  • the touch electrode layer 20 is disposed on the encapsulation layer 60 .
  • the touch electrode layer 20 is provided with the touch signal lines 40 and a plurality of the touch electrode blocks 201 which are insulated from each other.
  • the display panel further includes an insulating layer 23 and a through hole 41 .
  • the insulating layer 23 is disposed between the touch electrodes 21 and the compensation electrodes 22.
  • the mutual insulation between the compensation electrodes 22 and the touch signal lines 40 can make the touch signal lines 40 work normally without affecting the touch. control performance, so as to ensure the realization of the touch function of the touch electrodes 21 .
  • the compensation electrodes 22 and the touch signal lines 40 are insulated and connected to each other through the insulating layer 23 .
  • the touch signal lines 40 and the compensation electrodes 22 are disposed in the same layer, and the compensation electrodes 22 and the touch signal lines 40 are disposed on the packaging layer 60 at intervals.
  • the touch electrodes 21 are disposed on the compensation electrodes 22 and the touch signal lines 40 .
  • the compensation electrodes 22 and the touch signal lines 40 may also have other arrangements.
  • the touch electrodes 21 are arranged on the encapsulation layer 60 .
  • the line 40 and the compensation electrode 22 are arranged in the same layer, and the compensation electrode 22 and the touch signal line 40 are arranged on the touch electrode 21 at intervals.
  • the impedance difference generated at the near end and the far end improves the RC loading consistency of the display panel, thereby improving the uniformity of the touch performance of the display panel.
  • the touch signal lines 40 and the compensation electrodes 22 are disposed in the same layer. At the same time, the same layer arrangement between the compensation electrode 22 and the touch signal line 40 can make the film structure more compact.
  • the through holes 41 are disposed on the insulating layer 23 , and the touch signal lines 40 are connected to the corresponding touch electrodes 21 through the through holes 41 .
  • one end of the touch signal line 40 is connected to the driving circuit 30 , and as shown in FIG. 2 , the other end of the touch signal line 40 is connected to the through hole 41 on the touch electrode block 201 .
  • the touch signal line 40 is connected to the touch electrode block 201 through the through hole 41, which can shorten the length of the touch signal line 40, and is beneficial to further prevent the impedance of the remote touch electrode block 201 from increasing, so as to further improve the Uniformity of touch performance.
  • the number of the touch signal lines 40 and the touch electrode blocks 201 are the same, so that the structure of the touch panel is compact and unnecessary touch signal lines are not added. , which is beneficial to prevent the impedance of the remote touch electrode block 201 from increasing, and is beneficial to improve the uniformity of the touch performance.
  • the touch electrodes 21 and the compensation electrodes 22 are made of oxide conductive materials.
  • the conductive oxide material can be a transparent conductive oxide material, such as aluminum-doped zinc oxide (AZO), indium zinc oxide (IZO), etc., and thinner metal materials, such as Mg/Ag, Ca/Ag, Sm /Ag, Al/Ag, Ba/Ag and other composite materials, etc.; it can also be formed of non-transparent materials, such as titanium aluminum titanium (Ti/Al/Ti), aluminum alloy, etc., because the touch electrodes 21 need to be patterned
  • the use of non-transparent materials is beneficial to avoid the sub-light-emitting units and ensure the display effect.
  • the present application also provides a display device including the display panel. Since the display device has the above-mentioned display panel, it has the same beneficial effects, and details are not described herein again in the present invention.
  • the embodiments of the present application do not specifically limit the application of the display device, which may be a TV, a notebook computer, a tablet computer, a wearable display device (such as a smart bracelet, a smart watch, etc.), a mobile phone, a virtual reality device, an enhanced Any product or component with display function, such as reality equipment, vehicle display, advertising light box, etc.
  • the display device may be a TV, a notebook computer, a tablet computer, a wearable display device (such as a smart bracelet, a smart watch, etc.), a mobile phone, a virtual reality device, an enhanced Any product or component with display function, such as reality equipment, vehicle display, advertising light box, etc.
  • a display panel and a display device provided by the embodiments of the present application have been introduced in detail above.
  • the principles and implementations of the present application are described with specific examples. The descriptions of the above embodiments are only used to help understand the present application.
  • Those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features; and these modifications or replacements, and The essence of the corresponding technical solutions is not deviated from the scope of the technical solutions of the embodiments of the present application.

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Abstract

一种显示面板以及显示装置，显示面板包括：阵列基板（10）；驱动电路（30）；触控电极层（20），包括多个阵列设置于阵列基板（10）上且位于显示区域中的触控电极块（201），每个触控电极块（201）包括相互绝缘设置的触控电极（21）和补偿电极（22），触控电极（21）和补偿电极（22）在阵列基板（10）的正投影上具有重叠面积，靠近驱动电路（30）的触控电极块（201）上的重叠面积大于远离驱动电路（30）的触控电极块（201）上的重叠面积。

Description

显示面板以及显示装置 技术领域
本申请涉及显示器件技术领域，尤其涉及一种显示面板以及显示装置。
背景技术
显示装置主要包括液晶显示器(Liquid Crystal Display，LCD)、等离子体显示面板(PDP：plasma display panel)、有机电致发光(Organic Light Emitting Diode，OLED)、有源矩阵有机电致发光(Active-Matrix Organic Light Emitting Diode，AMOLED)，显示装置在车载、手机、平板、电脑及电视等多种产品上具有广阔的应用空间。
一般说来，触控功能已成为多数显示装置的标配之一，其中电容式触控屏应用较为广泛，基本原理是使用手指或触控笔等工具与触控屏产生电容，并利用触控前后电容变化所形成的电信号来确认面板是否被触摸及确认触摸坐标。现有的自容式触控设计是将面板的公共电极层均分为若干方块，在显示时，公共电极信号与触控的扫描线信号不断切换，实现显示和触控一体化的功能。
然而，由于公共电极层被分割成数百个相同大小的区块，且每个区块单独与触控信号线连线，在触控扫描时，显示面板受电阻电容负载(RC Loading)影响，远端区块的触控信号线较长，阻抗较大，因此远端的触控信号线的负载比较大，近端区块的触控信号线较短，阻抗较小，因此近端的触控信号线的负载比较大，也就是说，触控信号量从近端到远端逐步衰减。在某些工艺流程及屏幕尺寸的影响下，远近端负载差异较大，特别是在负载(loading)相对较高的面板中，远近端的触控信号差异甚至达20％以上，当驱动器能力不能弥补该差异时，产品的品质会出现不良，如会有画面闪烁(flicker)现象的出现。
技术问题
本申请实施例提供一种显示面板以及显示装置，以解决显示面板显示不良的问题。
技术解决方案
本申请提供一种显示面板，其包括：
阵列基板，设置有显示区域和非显示区域；
驱动电路，设置在所述列阵基板上且位于所述非显示区域；
触控电极层，包括多个阵列设置于所述列阵基板上且位于显示区域中的触控电极块，每个所述触控电极块包括相互绝缘设置的触控电极和补偿电极，所述触控信号线和所述补偿电极同层设置；
所述触控电极和所述补偿电极在所述阵列基板的正投影上具有重叠面积，所述触控电极与所述补偿电极在所述阵列基板的正投影的重叠面积，从靠近所述驱动电路到远离所述驱动电路的方向上依次减小；
多条触控信号线，每条所述触控信号线分别连接所述驱动电路和一个对应的所述触控电极块。
本申请还提供一种显示面板，其包括：
阵列基板，设置有显示区域和非显示区域；
驱动电路，设置在所述列阵基板上且位于所述非显示区域；
触控电极层，包括多个阵列设置于所述列阵基板上且位于显示区域中的触控电极块，每个所述触控电极块包括相互绝缘设置的触控电极和补偿电极，所述触控电极和所述补偿电极在所述阵列基板的正投影上具有重叠面积，靠近所述驱动电路的触控电极块上的重叠面积大于远离所述驱动电路的触控电极块上的重叠面积；
多条触控信号线，每条所述触控信号线分别连接所述驱动电路和一个对应的所述触控电极块。
在本申请所述的显示面板中，所述触控电极层包括：
绝缘层，设置在所述补偿电极与所述触控电极之间；
通孔，设置于所述绝缘层上，所述触控信号线通过所述通孔与对应的所述触控电极连接。
在本申请所述的显示面板中，所述触控信号线和所述补偿电极同层设置，所述补偿电极与所述触控信号线之间相互绝缘设置。
在本申请所述的显示面板中，所述触控信号线与所述触控电极块的数量相同。
在本申请所述的显示面板中，所述显示面板还包括：
发光层，设置于所述阵列基板上；
封装层，设置于所述发光层上，并覆盖所述发光层；
所述触控电极层，设置于所述封装层上。
在本申请所述的显示面板中，所述补偿电极和所述触控信号线间隔设置于所述封装层上，所述触控电极设置于所述补偿电极和所述触控信号线上。
在本申请所述的显示面板中，所述触控电极设置于所述封装层上，所述补偿电极和所述触控信号线间隔设置于所述触控电极上。
在本申请所述的显示面板中，所述触控电极与所述补偿电极在所述阵列基板的正投影的重叠面积，从靠近所述驱动电路到远离所述驱动电路的方向上依次减小。
在本申请所述的显示面板中，第一面积大于所述重叠面积，多个所述第一面积大小相同，所述第一面积为每个所述触控电极在所述阵列基板上的投影面积，所述重叠面积为每个所述补偿电极在所述阵列基板上的投影面积。
在本申请所述的显示面板中，所述显示面板还包括：
阴极层，设置于所述阵列基板和所述触控电极之间，所述阴极层与所述触控电极之间的距离大于所述触控电极与所述补偿电极之间的距离。
本申请还提供一种显示装置，其包括显示面板，所述显示面板包括：
阵列基板，设置有显示区域和非显示区域；
驱动电路，设置在所述列阵基板上且位于所述非显示区域；
触控电极层，包括多个阵列设置于所述列阵基板上且位于显示区域中的触控电极块，每个所述触控电极块包括相互绝缘设置的触控电极和补偿电极，所述触控电极和所述补偿电极在所述阵列基板的正投影上具有重叠面积，靠近所述驱动电路的触控电极块上的重叠面积大于远离所述驱动电路的触控电极块上的重叠面积；
多条触控信号线，每条所述触控信号线分别连接所述驱动电路和一个对应的所述触控电极块。
在本申请所述的显示装置中，所述触控电极层包括：
绝缘层，设置在所述补偿电极与所述触控电极之间；
通孔，设置于所述绝缘层上，所述触控信号线通过所述通孔与对应的所述触控电极连接。
在本申请所述的显示装置中，所述触控信号线和所述补偿电极同层设置，所述补偿电极与所述触控信号线之间相互绝缘设置。
在本申请所述的显示装置中，所述触控信号线与所述触控电极块的数量相同。
在本申请所述的显示装置中，所述显示面板还包括：
发光层，设置于所述阵列基板上；
封装层，设置于所述发光层上，并覆盖所述发光层；
所述触控电极层，设置于所述封装层上。
在本申请所述的显示装置中，所述补偿电极和所述触控信号线间隔设置于所述封装层上，所述触控电极设置于所述补偿电极和所述触控信号线上。
在本申请所述的显示装置中，所述触控电极设置于所述封装层上，所述补偿电极和所述触控信号线间隔设置于所述触控电极上。
在本申请所述的显示装置中，所述触控电极与所述补偿电极在所述阵列基板的正投影的重叠面积，从靠近所述驱动电路到远离所述驱动电路的方向上依次减小。
在本申请所述的显示装置中，第一面积大于所述重叠面积，多个所述第一面积大小相同，所述第一面积为每个所述触控电极在所述阵列基板上的投影面积，所述重叠面积为每个所述补偿电极在所述阵列基板上的投影面积。
有益效果
本申请的有益效果为：通过在触控电极块的原本触控电极的基础上增加补偿电极，通过补偿电极和触控电极的在阵列基板上的重叠面积来改变触控电极块的电容大小，由于靠近驱动电路的触控电极块阻抗小，而远离驱动电路的触控电极块阻抗大，因此通过设置靠近所述驱动电路的触控电极块上的重叠面积大，远离所述驱动电路的触控电极块上的重叠面积小，以使各个所述触控电极块的阻抗差在预设范围内，以此补偿触控电极块在近端和远端产生的阻抗差异，改善因触控信号线阻抗带来的触控性能差异，从而提升显示面板的触控性能。
附图说明
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为本申请实施例提供的显示面板的结构示意图。
图2为本申请实施例提供的图1中A的局部放大示意图。
图3为本申请实施例提供的图2中B-B的剖面结构示意图。
图4为本申请实施例提供的图1中A的又一局部放大示意图。
图5为本申请实施例提供的图4中B-B的又一剖面结构示意图。
本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅 仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参考图1，一方面，本申请提供一种显示面板，包括：阵列基板10、驱动电路30、多个触控电极块201、多条触控信号线40。
阵列基板10设置有显示区域101和非显示区域102，其中，非显示区域102包围显示区域101。
驱动电路30设置在所述非显示区域102的一端，用于实现触控驱动功能；具体地，驱动电路30沿着第一方向E设置。
多条触控信号线40，每条所述触控信号线40分别连接所述驱动电路30和一所述触控电极块201，具体地，每条触控信号线40由所述驱动电路30沿着第二方向F延伸至一个触控电极块201。
多个触控电极块201，阵列设置于所述显示区域101内，具体地，多个触控电极块201分别沿着第一方向E和第二方向F阵列设置，第一方向E和第二方向F相互垂直，示例性地，所述第一方向E为水平方向，所述第二方向F为垂直方向。每个所述触控电极块201包括绝缘设置的触控电极21和补偿电极22，所述触控电极21和所述补偿电极22在所述阵列基板10的正投影上具有重叠面积，靠近所述驱动电路30的触控电极块201上的重叠面积大于远离所述驱动电路30的触控电极块201上的重叠面积，以使各个所述触控电极块的阻抗差在预设范围内，所述预设范围可以根据实际需要设置，例如0％-10％。示例性地，每一列的触控电极块201之间的阻抗之差范围为5％，以此提高显示面板触控的均一性。
本申请提供的一种显示面板以及显示装置，通过在触控电极块201的原本触控电极21的基础上增加补偿电极22，通过补偿电极22和触控电极21的在阵列基板10上的重叠面积来改变触控电极块201的电容大小，由于靠近驱动电路30的触控电极块201阻抗小，而远离驱动电路30的触控电极块201阻抗大，因此通过设置靠近所述驱动电路30的触控电极块201上的重叠面积大，远离所述驱动电路30的触控电极块201上的重叠面积小，以使各个所述触控电极块的阻抗差在预设范围内，以此补偿触控电极块201在近端和远端产生的阻抗差异，改善因触控信号线40阻抗带来的触控性能差异，从而提升显示面板的触控性能。
在一些实施例中，结合图1和图4所示，所述第一面积为每个所述触控电极21在所述阵列基板10上的投影面积，当每个触控电极21的面积相同时，多个所述第一面积大小相同，且所述第一面积大于所述重叠面积，其中，重叠面积为每个所述补偿电极22在所述阵列基板10上的投影面积，设置触控电极21的面积保持不变，只需要通过改变补偿电容的面积的大小即可以控制触控电极块电容增加量的大小，有利于触控电极块的加工简化工艺。
在一些实施例中，如图1所示，从靠近所述驱动电路30到远离所述驱动电路30的方向上(即在第一方向F上)，所述触控电极21与所述补偿电极22在所述阵列基板20的正投影的重叠面积依次减小。由于在未增加补偿电极之前，沿着第一方向F的方向上，阻抗的变化为阻抗依次增大，而重叠面积决定了补偿电容的大小，重叠面积越小，补偿电容越小。因而，通过设置所述触控电极21与所述补偿电极22在所述阵列基板20的正投影的重叠面积依次减小，以使得补偿电极22产生的补偿电容沿着第一方向F依次减小，使各个所述触控电极块的阻抗差在预设范围内，以此补偿触控电极块201在近端和远端产生的阻抗差异，改善因触控信号线40阻抗带来的触控性能差异，从而提升显示面板的触控性能。
在一些实施例中，所述显示面板还包括阴极层53，所述阴极层53设置于所述阵列基板10和所述触控电极21之间，阴极层53与触控电极21之间的距离大于触控电极与补偿电极之间的距离。具体地，在一些实施例中，如图3所示，所述显示面板还包括发光层50、封装层60和触控电极层20。
发光层50设置于所述阵列基板10上；具体地，所述发光层50包括依次设置在所述阵列基板10上的阳极层51、有机发光层52、阴极层53，其中，阳极层51设置于所述基板上，有机发光层52处于所述阳极上，阴极层53覆盖于所述有机发光层52，阴极层53与阳极层51形成电场。其中，阴极层53与触控电极21之间的距离大于触控电极与补偿电极之间的距离。
由平行板电容计算公式：
Figure PCTCN2020139583-appb-000001
其中，k为介电常数，S为相对面积，d为间距。
结合图2和图3所示，假设触控电极21和补偿电极22之间的相对面积，即触控电极21和补偿电极22在阵列基板10上的投影的重叠面积，定义为S 1，间距为d 1，则触控电极21和补偿电极22之间形成为电容C 1；而触控电极21和发光层中的阴极之间的相对面积，即触控电极21在阴极上的正投影的面积为S 2，间距为d 2，则触控电极21和阴极之间形成为电容C 2，当S 1＝S 2，且d 1＜d 2，即阴极层53与触控电极21之间的距离大于触控电极与补偿电极之间的距离，则有C 1＞C 2；由于S1+S2是固定的，当增加S 1时，S 2会下降，则|ΔC 1|＞|ΔC 2|，其中ΔC 1是通过S 1增加带来的电容增加量，ΔC 2是S 2减少带来的电容降低量，故而对于触控电极块201而言，总的电容会增加。因此，可以通过增加触控电极块201的电容来增加补偿触控电极块201在近端和远端产生的阻抗差异，提高显示面板的RC loading一致性，从而提高显示面板触控性能的均一性。
封装层60设置于所述发光层50上，并覆盖所述发光层50，所述封装层60上设有所述触控电极21、所述补偿电极22。
所述触控电极层20设置于所述封装层60上，所述触控电极层20上设有所述触控信号线40和相互绝缘设置的多个所述触控电极块201。
在一些实施例中，所述显示面板还包括绝缘层23和通孔41。
所述绝缘层23设置于所述触控电极21和所述补偿电极22之间，补偿电极22与触控信号线40之间相互绝缘设置可以使得触控信号线40正常工作，不会影响触控性能，以保证触控电极21的触控功能的实现。
具体地，所述补偿电极22与所述触控信号线40之间通过所述绝缘层23相互绝缘连接。其中，补偿电极22和触控信号线40在触控电极层20上的绝缘设置方式有多种。示例性地，如图3所示，所述触控信号线40和所述补偿电极22同层设置，且所述补偿电极22和所述触控信号线40间隔设置于所述封装层60上，所述触控电极21设置于所述补偿电极22和所述触控信号线40上。
当然，补偿电极22和触控信号线40还可以有其他设置方式，在一些实施例中，如图5所示，所述触控电极21设置于所述封装层60上，所述触控信号线40和所述补偿电极22同层设置，且所述补偿电极22和所述触控信号线40间隔设置于所述触控电极21上，其中，阴极层53与触控电极21之间的距离大于触控电极与补偿电极之间的距离，以使得当S 1＝S 2时 ，有C 1＞C 2，从而使总的电容会增加，以使得补偿电极22得以补偿触控电极块201在近端和远端产生的阻抗差异，提高显示面板的RC loading一致性，从而提高显示面板触控性能的均一性。
所述触控信号线40和所述补偿电极22同层设置。同时补偿电极22与触控信号线40之间同层设置可以使得膜层结构更加紧凑。
所述通孔41设置于所述绝缘层23上，所述触控信号线40通过所述通孔41与对应的所述触控电极21连接。具体地，所述触控信号线40的一端与所述驱动电路30连接，结合图2所示，所述触控信号线40的另一端连接与触控电极块201上的通孔41连接。触控信号线40通过所述通孔41与触控电极块201连接，可以减短触控信号线40的长度，而且有利于进一步防止远端触控电极块201的阻抗增大，以进一步提高触控性能的均一性。
在一些实施例中，如图1所示，所述触控信号线40与所述触控电极块201的数量相同，以使得触控面板的结构紧凑，且不会增加多余的触控信号线，有利于防止远端触控电极块201的阻抗增大，有利于提高触控性能的均一性。
在一些实施例中，所述触控电极21和所述补偿电极22为氧化物导电材料制成。其中，导电氧化物材料可以是透明导电氧化物材料，例如铝掺杂的氧化锌(AZO)，氧化铟锌(IZO)等，以及较薄的金属材料，如Mg/Ag、Ca/Ag、Sm/Ag、Al/Ag、Ba/Ag等复合材料等；也可以是也可采用非透明材料形成，如钛铝钛 (Ti/Al/Ti)、铝合金等，由于触控电极21需求进行图案化，用非透明材料有利于避开子发光单元，确保显示效果。
另一方面，本申请还提供一种显示装置，所述显示装置包括所述的显示面板。由于该显示装置具有上述显示面板，因此具有相同的有益效果，本发明在此不再赘述。
本申请实施例对于所述显示装置的适用不做具体限制，其可以是电视机、笔记本电脑、平板电脑、可穿戴显示设备(如智能手环、智能手表等)、手机、虚拟现实设备、增强现实设备、车载显示、广告灯箱等任何具有显示功能的产品或部件。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
以上对本申请实施例所提供的一种显示面板以及显示装置进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (20)

  1. 一种显示面板，其包括：
    阵列基板，设置有显示区域和非显示区域；
    驱动电路，设置在所述列阵基板上且位于所述非显示区域；
    触控电极层，包括多个阵列设置于所述列阵基板上且位于显示区域中的触控电极块，每个所述触控电极块包括相互绝缘设置的触控电极和补偿电极，所述触控信号线和所述补偿电极同层设置；
    所述触控电极和所述补偿电极在所述阵列基板的正投影上具有重叠面积，所述触控电极与所述补偿电极在所述阵列基板的正投影的重叠面积，从靠近所述驱动电路到远离所述驱动电路的方向上依次减小；
    多条触控信号线，每条所述触控信号线分别连接所述驱动电路和一个对应的所述触控电极块。
  2. 一种显示面板，其包括：
    阵列基板，设置有显示区域和非显示区域；
    驱动电路，设置在所述列阵基板上且位于所述非显示区域；
    触控电极层，包括多个阵列设置于所述列阵基板上且位于显示区域中的触控电极块，每个所述触控电极块包括相互绝缘设置的触控电极和补偿电极，所述触控电极和所述补偿电极在所述阵列基板的正投影上具有重叠面积，靠近所述驱动电路的触控电极块上的重叠面积大于远离所述驱动电路的触控电极块上的重叠面积；
    多条触控信号线，每条所述触控信号线分别连接所述驱动电路和一个对应的所述触控电极块。
  3. 根据权利要求2所述的显示面板，其中，所述触控电极层包括：
    绝缘层，设置在所述补偿电极与所述触控电极之间；
    通孔，设置于所述绝缘层上，所述触控信号线通过所述通孔与对应的所述触控电极连接。
  4. 根据权利要求3所述的显示面板，其中，所述触控信号线和所述补偿电极同层设置，所述补偿电极与所述触控信号线之间相互绝缘设置。
  5. 根据权利要求3所述的显示面板，其中，所述触控信号线与所述触控电极块的数量相同。
  6. 根据权利要求3所述的显示面板，其中，所述显示面板还包括：
    发光层，设置于所述阵列基板上；
    封装层，设置于所述发光层上，并覆盖所述发光层；
    所述触控电极层，设置于所述封装层上。
  7. 根据权利要求6所述的显示面板，其中，所述补偿电极和所述触控信号线间隔设置于所述封装层上，所述触控电极设置于所述补偿电极和所述触控信号线上。
  8. 根据权利要求6所述的显示面板，其中，所述触控电极设置于所述封装层上，所述补偿电极和所述触控信号线间隔设置于所述触控电极上。
  9. 根据权利要求2所述的显示面板，其中，所述触控电极与所述补偿电极在所述阵列基板的正投影的重叠面积，从靠近所述驱动电路到远离所述驱动电路的方向上依次减小。
  10. 根据权利要求2所述的显示面板，其中，第一面积大于所述重叠面积，多个所述第一面积大小相同，所述第一面积为每个所述触控电极在所述阵列基板上的投影面积，所述重叠面积为每个所述补偿电极在所述阵列基板上的投影面积。
  11. 根据权利要求1所述的显示面板，其中，所述显示面板还包括：
    阴极层，设置于所述阵列基板和所述触控电极之间，所述阴极层与所述触控电极之间的距离大于所述触控电极与所述补偿电极之间的距离。
  12. 一种显示装置，其包括显示面板，所述显示面板包括：
    阵列基板，设置有显示区域和非显示区域；
    驱动电路，设置在所述列阵基板上且位于所述非显示区域；
    触控电极层，包括多个阵列设置于所述列阵基板上且位于显示区域中的触控电极块，每个所述触控电极块包括相互绝缘设置的触控电极和补偿电极，所述触控电极和所述补偿电极在所述阵列基板的正投影上具有重叠面积，靠近所述驱动电路的触控电极块上的重叠面积大于远离所述驱动电路的触控电极块上的重叠面积；
    多条触控信号线，每条所述触控信号线分别连接所述驱动电路和一个对应的所述触控电极块。
  13. 根据权利要求12所述的显示装置，其中，所述触控电极层包括：
    绝缘层，设置在所述补偿电极与所述触控电极之间；
    通孔，设置于所述绝缘层上，所述触控信号线通过所述通孔与对应的所述触控电极连接。
  14. 根据权利要求13所述的显示装置，其中，所述触控信号线和所述补偿电极同层设置，所述补偿电极与所述触控信号线之间相互绝缘设置。
  15. 根据权利要求13所述的显示面板，其中，所述触控信号线与所述触控电极块的数量相同。
  16. 根据权利要求13所述的显示装置，其中，所述显示面板还包括：
    发光层，设置于所述阵列基板上；
    封装层，设置于所述发光层上，并覆盖所述发光层；
    所述触控电极层，设置于所述封装层上。
  17. 根据权利要求16所述的显示装置，其中，所述补偿电极和所述触控信号线间隔设置于所述封装层上，所述触控电极设置于所述补偿电极和所述触控信号线上。
  18. 根据权利要求16所述的显示装置，其中，所述触控电极设置于所述封装层上，所述补偿电极和所述触控信号线间隔设置于所述触控电极上。
  19. 根据权利要求12所述的显示装置，其中，所述触控电极与所述补偿电极在所述阵列基板的正投影的重叠面积，从靠近所述驱动电路到远离所述驱动电路的方向上依次减小。
  20. 根据权利要求12所述的显示装置，其中，第一面积大于所述重叠面积，多个所述第一面积大小相同，所述第一面积为每个所述触控电极在所述阵列基板上的投影面积，所述重叠面积为每个所述补偿电极在所述阵列基板上的投影面积。
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