WO2015196622A1 - Array substrate, display apparatus and driving method therefor - Google Patents

Abstract

An array substrate, a display apparatus and a driving method therefor. The array substrate (20) comprises a base substrate (21) and a transparent conductive layer provided on the base substrate (21). The transparent conductive layer comprises a plurality of first electrodes (6) and second electrodes (4) with the same resistance, wherein the first electrodes (6) form a plurality of groups along a first direction (101), each group comprising a plurality of the first electrodes (6); and the first electrodes (6) transmit first signals via first leads (Tx1~Tx6), and the second electrodes (4) transmit second signals via second leads (Rx1~Rx6). The array substrate (20) can overcome non-uniform display caused by relatively big difference between a common electrode (23) and a driving electrode (22).

Description

Array substrate, display device and driving method thereof Technical field

Embodiments of the present invention relate to an array substrate, a display device, and a method of driving the same.

Background technique

With the development of display technology, the touch panel technology has been rapidly developed. According to the structure, the touch screen can be divided into an external touch screen (Add on cell Touch Panel) and an embedded touch screen (In Cell Touch Panel). The embedded touch screen embeds the touch electrodes of the touch screen inside the liquid crystal display panel, thereby greatly reducing the thickness of the whole structure and reducing the manufacturing cost.

Summary of the invention

At least one embodiment of the present invention provides an array substrate, a display device, and a driving method thereof to overcome display unevenness caused by a large difference in resistance between a common electrode and a driving electrode.

At least one embodiment of the present invention provides an array substrate including a substrate substrate and a transparent conductive layer disposed on the substrate, the transparent conductive layer including a plurality of first and second electrodes having the same resistance The first electrode is formed in a plurality of groups along the first direction, each group includes a plurality of first electrodes; and the first electrode receives the first signal transmitted by the first lead, and the second electrode receives the second signal transmitted by the second lead.

At least one embodiment of the present invention provides a display device including an array substrate and a counter substrate provided by at least one embodiment of the present invention, wherein the opposite substrate is formed with a plurality of third electrodes arranged in a second direction. The third electrode receives a third signal transmitted by the third lead, the first electrode and the third electrode being respectively usable as a touch driving electrode and a touch sensing electrode; and the first direction is different from the second direction.

At least one embodiment of the present invention provides a driving method of a display device, including: loading a touch driving signal to a first electrode through a first lead during a touch period, and receiving a touch sensing through a third lead through a third lead a signal; during the display period, the common electrode signal is applied to the first electrode through the first lead while the common electrode signal is applied to the second electrode through the second lead.

At least one embodiment of the present invention provides a display device including the embodiment of the present invention. Array substrate.

At least one embodiment of the present invention provides a driving method of a display device, including: loading a touch driving signal to a first electrode through a first lead during a touch period, and receiving a touch sensing by the second electrode through the second lead a signal; during the display period, the common electrode signal is applied to the first electrode through the first lead while the common electrode signal is applied to the second electrode through the second lead.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below. It is obvious that the drawings in the following description relate only to some embodiments of the present invention, and are not intended to limit the present invention. .

1 is a schematic diagram of touch control of a touch screen;

2 is a schematic structural view of a driving electrode, a sensing electrode, and a common electrode in the touch screen shown in FIG. 1;

3 is a schematic diagram of a first electrode and a second electrode of an array substrate according to an embodiment of the invention;

4 is a schematic diagram of a first electrode and a second electrode of an array substrate according to another embodiment of the present invention;

FIG. 5 is a schematic diagram of a first electrode and a second electrode of an array substrate according to still another embodiment of the present invention; FIG.

FIG. 6 is a schematic diagram of a first electrode and a second electrode of an array substrate according to still another embodiment of the present invention.

Reference mark:

11-first substrate; 12-color pixel region; 13-shield region; 14-sensing electrode; 21-second substrate; 22-drive electrode; 23-common electrode; 221-drive electrode connection line; a second electrode; 41-second electrode connection line; 6-first electrode; 61-first electrode connection line; 10-color film substrate; 20-array substrate.

detailed description

The technical solutions of the embodiments of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. Obviously, The described embodiments are a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the described embodiments of the present invention without departing from the scope of the invention are within the scope of the invention.

Figure 1 shows an embedded liquid crystal display touch screen. As shown in FIG. 1, the touch screen includes a color filter substrate 10 and an array substrate 20 which are oppositely disposed. The color filter substrate 10 includes a first substrate substrate 11 and a plurality of color pixel regions 12 disposed on the first substrate substrate 11 and a light shielding region 13 between the color pixel regions 12; A Touch Sensing electrode 14 is provided at the position. The array substrate 20 includes a second substrate substrate 21 and a transparent conductive layer disposed on the second substrate substrate 21; the transparent conductive layer includes a touch driving electrode 22 and a common electrode 23. The common electrode 23 corresponds to the position of the sensing electrode 14 on the color filter substrate 10. When a touch driving signal (Tx) is added to the touch driving electrode 22, the touch sensing electrode 14 receives the touch sensing signal (Rx), and determines whether there is a change amount of capacitance formed by the touch sensing electrode 14 and the touch driving electrode 22 before and after the finger touch. Touch with your finger to implement the touch function.

2 is a schematic structural view of a driving electrode, a sensing electrode, and a common electrode in the touch panel shown in FIG. 1. As shown in FIG. 2, the common electrode 23 has a strip shape, and the touch driving electrodes 22 are in a block shape. The driving electrode connecting lines 221 form the plurality of rows of the touch driving electrodes 22, and the touch sensing electrodes 14 are strip-shaped and formed in a plurality of rows. During the display period, the common electrode 23 and the touch driving electrode 22 simultaneously load the common electrode signal to realize display; during the touch time period, the touch driving electrode 22 and the touch sensing electrode 14 respectively load the touch driving signal (Tx) and the touch sensing Signal (Rx) for touch function.

The inventors have found that, for the structure shown in FIG. 2, the common electrode 23 and the touch driving electrode 22 simultaneously load the common electrode signals during the display period, that is, both serve as the common electrode, but due to the shapes of the common electrode 23 and the touch driving electrode 22. Differently, the resistances of the common electrode 23 and the touch driving electrode 22 are largely different, resulting in uneven potential distribution (voltage drop), which may cause display unevenness and affect the display effect of the display device.

At least one embodiment of the present invention provides an array substrate including a substrate substrate and a transparent conductive layer disposed on the substrate, the transparent conductive layer including a plurality of first electrodes and second electrodes having the same resistance. The plurality of first electrodes are formed in a plurality of groups along the first direction, each group includes a plurality of first electrodes; and the first electrode transmits the first signal through the first lead, and the second electrode transmits the second signal through the second lead number.

As shown in FIG. 3, in the transparent conductive layer, the resistances of the first electrode 6 and the second electrode 4 are the same. The first electrodes 6 are formed in a plurality of groups along the first direction 101, and each group includes a plurality of first electrodes 6. For example, as shown in FIG. 3, the plurality of first electrodes 6 in the same group are electrically connected by the first electrode connection line 61, and the first leads 61 may be respectively transmitted to the first electrodes 6 through the respective first electrode connection lines 61. The first signal. The second electrode 4 is formed in a plurality of groups along the second direction 102, each group includes a plurality of second electrodes 4, and the plurality of second electrodes 4 in the same group are electrically connected through the second electrode connection line 41, and the second lead 41 can be The second signal is transmitted to the second electrode 4 through each of the second electrode connection lines 41.

It should be noted that the second electrode may be a common electrode, and the second electrodes may be randomly and electrically connected to each other to transmit a common electrode signal to each of the second electrodes. The embodiments and the drawings of the present invention are only described in detail by taking the example shown in FIG. 3 as an example.

The first electrode and the second electrode having the same resistance may be the first electrode and the second electrode of the same shape formed of the same material; and may be different shapes of the first electrode and the second electrode formed of different materials.

In the embodiment of the present invention, the transparent conductive layer is formed of the same material, and the shapes of the first electrode and the second electrode are the same as an example. The first electrode and the second electrode have the same shape, and the voltage drops of the first electrode and the second electrode are the same, thereby further improving the first electrode and the second electrode in the case where the same voltage is applied during operation. The uniformity of the electric field formed.

The first electrode receives the first signal transmitted by the first lead, and the second electrode receives the second signal transmitted by the second lead. The first lead and the second lead may be signal lines or the like that drive the chip to transmit signals to the first electrode and the second electrode, respectively, and the first signal may be the same as or different from the second signal. For example, when both the first electrode and the second electrode function as a common electrode, the driving chip may transmit a common electrode signal to the first electrode and the second electrode through the first lead and the second lead, respectively. Alternatively, when the first electrode is used as a touch driving electrode and the second electrode is used as a touch sensing electrode, the driving chip may transmit a touch driving signal to the first electrode through the first lead, and transmit the touch sensing to the second electrode through the second lead. signal.

At least one embodiment of the present invention provides an array substrate, the array substrate includes a transparent conductive layer, and the first electrode and the second electrode of the transparent conductive layer have the same resistance, and the first electrode and the second electrode When used as a common electrode, respectively, the first electrode and the second electrode generate the same electric field generated in the case where the same voltage is applied during operation, which improves display uniformity.

In at least one embodiment of the present invention, as shown in FIGS. 4 and 5, the second electrode 4 is formed in a plurality of groups along the second direction 102, each group includes a plurality of second electrodes 4, and the second direction 102 and the The first direction 101 is different.

For example, the first electrodes 6 are formed in a plurality of groups in a first direction, each group includes a plurality of first electrodes 6; the second electrodes 4 are formed in a plurality of groups in a second direction, each group including a plurality of second electrodes 4. The first direction and the second direction are different, for example perpendicular to each other. As shown in FIG. 4 and FIG. 5, the first electrodes 6 are electrically connected in a second direction 102 through a corresponding one of the first electrode connecting lines 61, and each group includes a plurality of first electrodes 6; the second electrode 4 passes through A corresponding one of the second electrode connection lines 41 is electrically connected in the first direction 101 to form a group, and each group includes a plurality of second electrodes 4. For example, each of the first electrodes 6 and each of the first electrodes 4 are square in shape and have the same size and area.

The first electrode and the second electrode may be respectively used as a touch driving electrode and a touch sensing electrode, and when the first electrode is a touch driving electrode, a touch driving signal transmitted by the first lead is applied on the first electrode; The second electrode is a sensing electrode, and a touch sensing signal transmitted by the second lead is applied to the second electrode. Of course, the first electrode may be a touch sensing electrode, and the second electrode is a touch driving electrode. The embodiments of the present invention are described in detail by taking the first electrode as a touch driving electrode and the second electrode as a touch sensing electrode.

In this embodiment, the first electrode and the second electrode are formed in a plurality of rows in different directions, and the touch information can be determined by driving the positions of the touch points by the first electrode and the second electrode. The first direction and the second direction are different, and the first direction and the second direction necessarily intersect. The embodiments of the present invention are described in detail by taking the first direction and the second direction perpendicular to each other as an example.

In an array substrate according to at least one embodiment of the present invention, a touch driving signal is loaded to a first electrode and a second sensing electrode receives a touch sensing signal to implement a touch function during a touch time period; The electrode and the second electrode simultaneously load the common electrode signal. At this time, the first electrode and the second electrode both function as a common electrode to form an electric field in cooperation with the pixel electrode in the pixel unit to drive the liquid crystal to realize display.

The transparent conductive layer includes a plurality of first electrodes and second electrodes having the same resistance. When the first electrode and the second electrode simultaneously load the common electrode signal, the first electrode and the second electrode cooperate with the pixel electrode during operation. The magnitude of the electric field generated in the case where the same voltage is applied is the same, whereby display uniformity can be improved.

In at least one embodiment of the present invention, as shown in FIGS. 4 and 5, a plurality of first electrodes 6 and a plurality of The two electrodes 4 are arranged in a matrix, the plurality of first electrodes 6 are not adjacent to each other, and the plurality of second electrodes 4 are not adjacent to each other.

The plurality of first electrodes 6 are not adjacent to each other, and the plurality of second electrodes 4 are not adjacent to each other, that is, every two first electrodes are not adjacent, and each two second electrodes are not adjacent, that is, The first electrode and the second electrode are spaced apart, which is advantageous for accurately obtaining the touch position and improving the touch effect.

In at least one embodiment of the present invention, the first electrode 6 and the second electrode 4 are rectangular and have a length and a width of no more than 5 mm.

It should be noted that, as shown in FIG. 2, the transparent conductive layer only includes the touch driving electrode 22, and the length and width of the touch driving electrode are generally 6 mm, and the touch sensing electrode 14 is strip-shaped, and the width thereof is generally 6 mm.

In at least one embodiment of the present invention, as shown in FIGS. 4 and 5, for example, the length and width of the first electrode (which can be used as a touch driving electrode) 6 and the second electrode (which can be used as a touch sensing electrode) 4 are used. No more than 3-5mm. For example, the length and width of the first electrode 6 and the second electrode 4 are not more than 3 mm, and the first electrode 6 and the first electrode in the embodiment of the present invention are compared with the touch driving electrode 22 and the touch sensing electrode 14 shown in FIG. 2 . The two electrodes 4 are finer, which is advantageous for accurately obtaining the touch position and improving the touch effect.

In at least one embodiment of the invention, three to five sets of first electrodes 6 receive a first signal through a first lead, and three to five sets of second electrodes 4 receive a second signal through a second lead. The first electrode 6 is a touch driving electrode, and the first signal is a touch driving signal, and the second electrode 4 is a touch sensing electrode, and the second signal is a touch sensing signal. As shown in FIG. 6, three first electrode connection lines 61 (ie, corresponding to three sets of first electrodes) receive a touch drive signal transmitted by a first lead Tx1, and three second electrode connection lines 41 (ie, corresponding to three sets of second electrodes) Taking a touch sensing signal transmitted by a second lead Rx1 as an example. That is, the three sets of second electrodes 4 receive a touch sensing signal transmitted by the second electrode lead, and the three sets of first electrodes 6 receive a touch driving signal transmitted by the driving lead, and the determination of the touch position is determined by the three sets of electrodes, so Conducive to confirm the touch location.

In at least one embodiment of the present invention, the array substrate may further include a common electrode line, and the plurality of first electrodes 6 in the same group and the plurality of second electrodes 4 in the same group respectively pass through the corresponding at least one common electrode line. connection. As shown in FIG. 4, the first electrode connection line 61 and the second electrode connection line 41 may be common electrode lines. For example, each of the first electrode 6 and the second electrode 4 respectively correspond to a plurality of common electrode lines. An electrode 6 is electrically connected through a corresponding one of the common electrode lines to form a group; The second electrodes are electrically connected by a corresponding plurality of common electrode lines to form one set.

It should be noted that, in the embodiment of the present invention, only the example shown in FIG. 4 is taken as an example. According to the specific arrangement of the second electrode 4 and the first electrode 6, the first electrode 6 may be electrically connected through a plurality of common electrode lines to form a group.

In at least one embodiment of the present invention, the array substrate may further include a common electrode line and a pixel electrode layer, the pixel electrode layer including a pixel electrode and a connection line, and the plurality of first electrodes in the same group and the plurality of the same group The second electrodes are electrically connected to the corresponding at least one common electrode line and the corresponding at least one connecting line, respectively. For example, the pixel electrode and the connection line are formed of the same material.

The plurality of first electrodes in the same group and the plurality of second electrodes in the same group are electrically connected by corresponding at least one common electrode line and corresponding at least one connecting line, respectively. That is, as shown in FIG. 5, the first electrode connection line 61 may be a common electrode line, and the second electrode connection line 41 may be a connection line of the pixel electrode layer. Of course, the first electrode connection line 61 may be a connection line of the pixel electrode layer, and the second electrode connection line 41 may be a common electrode line.

At least one embodiment of the present invention provides a method of fabricating an array substrate, the method comprising: forming a transparent conductive layer on a substrate, the transparent conductive layer comprising a plurality of first electrodes and second electrodes having the same resistance, The plurality of first electrodes are formed in a plurality of groups along the first direction, each group including a plurality of first electrodes; and the first electrode transmits the first signal through the first lead, and the second electrode transmits the second signal through the second lead.

The first electrode and the second electrode having the same resistance may be the first electrode and the second electrode of the same shape formed of the same material, and may be the first electrode and the second electrode of different shapes formed of different materials. In the embodiment of the present invention, the transparent conductive layer is formed of the same material, and the shapes of the first electrode and the second electrode are the same as an example. The first electrode and the second electrode have the same shape, and the voltage drop caused by the first electrode and the second electrode is the same, thereby further improving the case where the first electrode and the second electrode are applied with the same voltage during operation. The resulting electric field is uniform.

For example, the forming a transparent conductive layer on the base substrate may be formed by a patterning process, and the formed transparent conductive layer includes a plurality of first electrodes and second electrodes of the same shape. The so-called "patterning process" is a process of forming a film into a layer comprising at least one pattern; and the patterning process generally comprises: applying a glue on the film, exposing the photoresist with a mask, and then removing the developer The photoresist is etched away, the portion of the film that is not covered with the photoresist is etched away, and the remaining photoresist is finally stripped. The first electrode and the second electrode are patterns formed by patterning a conductive layer.

In at least one embodiment of the present invention, three to five sets of first electrodes receive a first signal transmitted by a first lead, and three to five sets of second electrodes receive a second signal transmitted by a second lead. For example, if the first electrode is a touch driving electrode, the first signal is a touch driving signal, and the second electrode is a touch sensing electrode, and the second signal is a touch sensing signal. As shown in FIG. 6, three first electrode connection lines 61 (ie, corresponding to three sets of first electrodes) receive a touch drive signal transmitted by a first lead Tx1, and three second electrode connection lines 41 (ie, corresponding to three sets of second electrodes) Taking a touch sensing signal transmitted by a second lead Rx1 as an example. That is, the three sets of second electrodes transmit the sensing signals through one second electrode lead, and the three sets of first electrodes transmit the driving signals through one driving lead. The determination of the touch position in this embodiment is determined by the three sets of electrodes, which is beneficial for confirming the touch position. .

In at least one embodiment of the present invention, the manufacturing method may further include: forming a common electrode line on the base substrate, wherein the plurality of first electrodes in the same group and the plurality of second electrodes in the same group respectively pass at least corresponding A common electrode line is electrically connected.

The plurality of first electrodes in the same group and the plurality of second electrodes in the same group are electrically connected by corresponding at least one common electrode line, that is, the plurality of first electrodes in the same group pass through the corresponding at least one common electrode The plurality of second electrodes located in the same group are electrically connected by the corresponding at least one common electrode line. The plurality of first electrodes in the same group may be electrically connected only through a corresponding one of the common electrode lines, or may be electrically connected through the plurality of common electrode lines; the plurality of second electrodes in the same group may be only through corresponding A common electrode line is electrically connected, or may be electrically connected through a plurality of common electrode lines.

As shown in FIG. 4, the first electrode connection line 61 and the second electrode connection line 41 may be common electrode lines, and each of the first electrode and the second electrode respectively correspond to a plurality of common electrode lines, and the first electrode passes A corresponding one of the common electrode lines is electrically connected to form one set; and the second electrode is electrically connected by a corresponding plurality of common electrode lines to form one set.

It should be noted that a common electrode line can be generally formed in the gate metal layer, and the plurality of first electrodes of the same group and the plurality of second electrodes of the same group are electrically connected to the corresponding at least one common electrode line through the via holes, respectively.

In at least one embodiment of the present invention, the manufacturing method may further include: forming a common electrode line on the base substrate; forming a pixel electrode layer on the base substrate, the pixel electrode layer including the pixel electrode and the connection lead; The plurality of first electrodes of the group and the plurality of second electrodes located in the same group are electrically connected by corresponding at least one common electrode line and the corresponding at least one connecting lead, respectively.

The plurality of first electrodes in the same group and the plurality of second electrodes in the same group are respectively electrically connected by corresponding at least one common electrode line and corresponding at least one connecting lead, that is, may be multiples in the same group One electrode is electrically connected through the corresponding at least one common electrode line, and the plurality of second electrodes in the same group are electrically connected through the corresponding at least one connecting line; or the plurality of first electrodes in the same group are electrically connected through the corresponding at least one connecting line Connecting; a plurality of second electrodes located in the same group are electrically connected by corresponding at least one common electrode line.

At least one embodiment of the present invention provides a display device including an array substrate and a counter substrate provided by at least one embodiment of the present invention. The opposite substrate is formed with a plurality of third electrodes arranged in a second direction, and the third electrode transmits a third signal through the third lead, the first electrode and the third electrode being respectively used as a driving electrode and sensing An electrode; and the first direction is different from the second direction. One embodiment of the counter substrate is a color filter substrate on which a color film unit arranged in an array is formed.

The display device may be a display device such as a liquid crystal display, an electronic paper, an OLED (Organic Light-Emitting Diode) display, or any display function such as a television, a digital camera, a mobile phone, a tablet computer, a watch, or the like including the display device. Product or component.

In at least one embodiment of the invention, the first direction is perpendicular to the second direction.

At least one embodiment of the present invention provides a driving method of a display device, including: loading a touch driving signal to a first electrode through a first lead during a touch time period, and receiving a touch sensing signal through a third lead; The common electrode signal is applied to the first electrode through the first lead during the display period while the common electrode signal is applied to the second electrode through the second lead.

The driving method of the display device provided by at least one embodiment of the present invention loads a touch driving signal to the first electrode through the first lead during the touch time period, and the third electrode receives the touch sensing signal through the third lead to realize the touch. a function of loading a common electrode signal to the first electrode through the first lead and a common electrode signal to the second electrode through the second lead during the display period, wherein the first electrode and the second electrode both function as a common electrode. Forming an electric field to drive the liquid crystal to achieve display. The first electrode and the second electrode have the same shape, and the electric field generated by the first electrode and the second electrode when the common electrode signal is simultaneously loaded, the first electrode and the second electrode are applied with the same voltage during operation The same, can improve display uniformity.

At least one embodiment of the present invention provides a display device including the array substrate provided by the embodiment of the present invention. The display device may be a display such as a liquid crystal display, an electronic paper, an OLED display or the like And any product or component having a display function such as a television, a digital camera, a mobile phone, a tablet, a watch, and the like including these display devices.

At least one embodiment of the present invention provides a driving method of a display device, including: loading a touch driving signal to a first electrode through a first lead during a touch period, and receiving a touch sensing signal by the second electrode through the second lead; The common electrode signal is applied to the first electrode through the first lead during the display period while the common electrode signal is applied to the second electrode through the second lead.

A driving method of a display device according to at least one embodiment of the present invention, in a touch time period, a touch driving signal is loaded to a first electrode through a first lead, and a second electrode receives a touch sensing signal through a second lead to implement a touch a function of loading a common electrode signal to the first electrode through the first lead and a common electrode signal to the second electrode through the second lead during the display period, wherein the first electrode and the second electrode both function as a common electrode. Forming an electric field to drive the liquid crystal to achieve display. The first electrode and the second electrode have the same shape. When the first electrode and the second electrode simultaneously load the common electrode signal, the first electrode and the second electrode generate the same electric field, which can improve display uniformity.

The above is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. The scope of the present invention is defined by the appended claims.

The present application claims the priority of the Chinese Patent Application No. 201410302658.8 filed on Jun. 27, 2014, the entire disclosure of which is hereby incorporated by reference.

Claims (14)

An array substrate comprising: a substrate substrate and a transparent conductive layer disposed on the substrate substrate, The transparent conductive layer includes a plurality of first electrodes and second electrodes having the same resistance, the first electrodes are formed in a plurality of groups along a first direction, each group includes a plurality of first electrodes; and the first electrode The first signal is transmitted through the first lead, and the second electrode transmits the second signal through the second lead. The array substrate according to claim 1, wherein the first electrode and the second electrode have the same shape. The array substrate according to claim 1 or 2, wherein the first electrode and the second electrode are rectangular, and the first electrode and the second electrode have a length and a width of no more than 3-5 mm. The array substrate according to any one of claims 1 to 3, wherein the second electrodes are formed in a plurality of groups in the second direction, each group including a plurality of second electrodes. The array substrate according to claim 4, wherein the first electrode and the second electrode are arranged in a matrix, the plurality of first electrodes are not adjacent to each other, and the plurality of second electrodes are not in phase adjacent. The array substrate according to claim 4 or 5, wherein three to five sets of the first electrodes receive a first lead to transmit the first signal, and three to five sets of the second electrodes receive a second lead to transmit the second signal. The array substrate according to claim 4, further comprising: a common electrode line, wherein the plurality of first electrodes located in the same group and the plurality of second electrodes in the same group are electrically connected by corresponding at least one common electrode line, respectively. The array substrate according to claim 4, further comprising: a common electrode line and a pixel electrode layer, wherein the pixel electrode layer comprises a pixel electrode and a connection line, and the plurality of first electrodes in the same group and the plurality of groups in the same group The second electrodes are electrically connected to the corresponding at least one common electrode line and the corresponding at least one connecting line, respectively. The array substrate according to any one of claims 4 to 8, wherein the first direction and the second direction are perpendicular. A display device comprising the array substrate according to any one of claims 1 to 3 and a counter substrate, Wherein the opposite substrate is formed with a plurality of third electrodes arranged in the second direction, the third The electrode receives the third signal transmitted by the third lead, The first electrode and the third electrode may function as a touch driving electrode and a touch sensing electrode, respectively; and the first direction is different from the second direction. The display device according to claim 10, wherein the first direction is perpendicular to the second direction. A driving method of a display device according to claim 10 or 11, comprising: The touch driving signal is loaded to the first electrode through the first lead during the touch period, and the third electrode receives the touch sensing signal through the third lead; The common electrode signal is applied to the first electrode through the first lead during the display period while the common electrode signal is applied to the second electrode through the second lead. A display device comprising the array substrate of any one of claims 4-9. A driving method of a display device according to claim 13, comprising: Loading a touch driving signal to the first electrode through the first lead during the touch period, and receiving the touch sensing signal by the second electrode through the second lead; The common electrode signal is applied to the first electrode through the first lead during the display period while the common electrode signal is applied to the second electrode through the second lead.

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