CN112905067A - Touch panel and touch display device - Google Patents

Abstract

Translated fromChinese

本发明提供了一种触控面板及触控显示装置，包括：衬底基板；位于衬底基板上、相互交叉设置的第一触控电极和第二触控电极，第一触控电极包括多个沿第一方向排列的第一子电极块，第二触控电极包括沿第二方向排列的多个第二子电极块，且沿第一方向上、相邻两个第一子电极块通过连接电极相连，沿第二方向上、相邻两个第二子电极块通过桥连电极相连；与桥连电极异层且交叠设置的导电保护层，且导电保护层沿第二方向延伸。通过设置与桥连电极异层且交叠的导电保护层，使得导电保护层与桥连电极和/或连接电极之间形成耦合电容，以此分流桥连电极与连接电极形成的耦合电容所吸引的静电，使得此桥连电极和连接电极的耐静电能力提高。

The present invention provides a touch panel and a touch display device, including: a base substrate; A first sub-electrode block arranged along the first direction, the second touch electrode includes a plurality of second sub-electrode blocks arranged along the second direction, and along the first direction, two adjacent first sub-electrode blocks pass through The connecting electrodes are connected, and along the second direction, two adjacent second sub-electrode blocks are connected by bridging electrodes; the conductive protective layers are arranged in different layers and overlap with the bridging electrodes, and the conductive protective layers extend along the second direction. By arranging a conductive protective layer that overlaps with the bridging electrode, a coupling capacitance is formed between the conductive protective layer and the bridging electrode and/or the connecting electrode, so as to shunt the coupling capacitance formed by the bridging electrode and the connecting electrode. The electrostatic resistance of the bridge electrode and the connection electrode is improved.

Description

Touch panel and touch display device

Technical Field

The present invention relates to the field of touch display technologies, and in particular, to a touch panel and a touch display device.

Background

The touch display device is a display device that integrates touch and display together, so that the display device has a touch function. Generally, a touch display device can provide a man-machine interaction interface, and allows input to be performed through a touch medium such as a finger, so that the touch display device is more direct and humanized in use. With the development of display technology, touch display devices are increasingly applied to various display devices. Nowadays, the display device tends to be thinner and thinner, and the thickness of the display device is thinner and thinner, which is one of the important development directions necessary in the future. The existing touch panel has to be improved in the ability to resist electrostatic damage.

Disclosure of Invention

In view of this, the present invention provides a touch panel and a touch display device, which effectively solve the technical problems in the prior art, improve the anti-electrostatic damage capability of the touch panel, and ensure high reliability of the touch panel.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

a touch panel, comprising:

a substrate base plate;

the touch panel comprises a substrate base plate, a first touch electrode and a second touch electrode, wherein the substrate base plate is provided with a plurality of first sub-electrode blocks arranged along a first direction, the first touch electrode and the second touch electrode are arranged in a mutually crossed mode, the first touch electrode comprises a plurality of first sub-electrode blocks arranged along the first direction, the second touch electrode comprises a plurality of second sub-electrode blocks arranged along a second direction, two adjacent first sub-electrode blocks along the first direction are connected through a connecting electrode, and two adjacent second sub-electrode blocks along the second direction are connected through a bridging electrode;

and the conductive protection layer is arranged in a different layer and overlapped mode with the bridging electrode, and extends along the second direction.

Optionally, an orthographic projection of the bridging electrode on the substrate base plate is located within a range of the orthographic projection of the conductive protection layer on the substrate base plate.

Optionally, in the second direction, the relationship between the length a1 of the conductive protection layer and the length a2 of the bridging electrode is: a1/a2 is more than 1 and less than or equal to 1.5;

in the first direction, the width b1 of the conductive protection layer and the width b2 of the bridging electrode are in a relationship of: b1-b2 is more than 0 and less than or equal to 54 mu m.

Optionally, the conductive protection layer comprises at least one tip portion.

Optionally, in the second direction, the tip portion is located at an end portion of the conductive protection layer.

Optionally, the conductive protection layer is disposed in a different layer from the connection electrode, and the conductive protection layer is further electrically connected to the connection electrode.

Optionally, the connection electrode is connected with the conductive protection layer through a via hole; the through hole connecting the connecting electrode and the conductive protection layer is positioned in the center of the conductive protection layer.

Optionally, the conductive protection layer is a transparent conductive protection layer.

Optionally, the conductive protection layer is free of an external signal line.

Correspondingly, the invention also provides a touch display device which comprises the touch panel.

Compared with the prior art, the technical scheme provided by the invention at least has the following advantages:

the invention provides a touch panel and a touch display device, comprising: a substrate base plate; the touch panel comprises a substrate base plate, a first touch electrode and a second touch electrode, wherein the substrate base plate is provided with a plurality of first sub-electrode blocks arranged along a first direction, the first touch electrode and the second touch electrode are arranged in a mutually crossed mode, the first touch electrode comprises a plurality of first sub-electrode blocks arranged along the first direction, the second touch electrode comprises a plurality of second sub-electrode blocks arranged along a second direction, two adjacent first sub-electrode blocks along the first direction are connected through a connecting electrode, and two adjacent second sub-electrode blocks along the second direction are connected through a bridging electrode; and the conductive protection layer is arranged in a different layer and overlapped mode with the bridging electrode, and extends along the second direction.

According to the technical scheme provided by the invention, the conductive protective layer which is different from and overlapped with the bridging electrode is arranged, so that the coupling capacitor is formed between the conductive protective layer and the bridging electrode and/or the connecting electrode, static electricity attracted by the coupling capacitor formed by the bridging electrode and the connecting electrode is shunted, the static electricity resistance of the bridging electrode and the connecting electrode is improved, the probability that the bridging electrode and the connecting electrode in the area are damaged by static electricity is reduced, the anti-static damage capability of the touch panel is improved, and the high reliability of the touch panel is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a touch panel according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along the direction AA' in FIG. 1;

fig. 3 is a schematic structural diagram of another touch panel provided in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a bridging electrode and a conductive protection layer according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a conductive protection layer according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a conductive protection layer and a second sub-electrode block according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of another touch panel according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a touch display device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As described in the background art, with the development of display technologies, touch display devices are increasingly applied to various display apparatuses. Nowadays, the display device tends to be thinner and thinner, and the thickness of the display device is thinner and thinner, which is one of the important development directions necessary in the future. The existing touch panel has to be improved in the ability to resist electrostatic damage.

Based on this, the embodiment of the invention provides a touch panel and a touch display device, which effectively solve the technical problems in the prior art, improve the anti-electrostatic damage capability of the touch panel, and ensure high reliability of the touch panel.

To achieve the above object, the technical solutions provided by the embodiments of the present invention are described in detail below, specifically with reference to fig. 1 to 13.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a touch panel according to an embodiment of the present invention, and fig. 2 is a cross-sectional view along the AA' direction in fig. 1. The touch panel provided by the embodiment of the invention comprises:

abase substrate 100.

Be located on thesubstrate base plate 100, first touch-control electrode 210 and second touch-control electrode 220 that intercrossing set up, first touch-control electrode 210 includes a plurality offirst sub-electrode pieces 211 of arranging along first direction Y, second touch-control electrode 220 includes a plurality ofsecond sub-electrode pieces 221 of arranging along second direction X, and follows on the first direction Y, adjacent twofirst sub-electrode pieces 211 link to each other through connectingelectrode 212, follow on the second direction X, adjacent twosecond sub-electrode pieces 221 link to each other throughbridging electrode 222.

And aconductive protection layer 300 disposed to overlap thebridging electrode 222, wherein theconductive protection layer 300 extends along the second direction X.

It can be understood that in the technical scheme provided by the embodiment of the invention, the conductive protective layer which is different from and overlapped with the bridging electrode is arranged, so that the coupling capacitor is formed between the conductive protective layer and the bridging electrode and/or the connecting electrode, and the static electricity attracted by the coupling capacitor formed by the bridging electrode and the connecting electrode is shunted, so that the static electricity resistance of the bridging electrode and the connecting electrode is improved, the probability that the bridging electrode and the connecting electrode are damaged in the area is reduced, the antistatic damage capability of the touch panel is improved, and the high reliability of the touch panel is ensured.

The first direction Y and the second direction X provided in the embodiment of the present invention are intersected, and the first direction Y and the second direction X may be specifically arranged perpendicular to each other, which is not limited in the present invention. Thefirst touch electrode 210 and thesecond touch electrode 220 may be on the same layer, and may be specifically formed by the same transparent conductive layer; thefirst touch electrode 210 and thesecond touch electrode 220 may be made of ITO, IZO, or transparent metal.

Thefirst touch electrode 210 includes a plurality offirst sub-electrode blocks 211, and in the samefirst touch electrode 210, two adjacentfirst sub-electrode blocks 211 may be connected through aconnection electrode 212, wherein theconnection electrode 212 may be disposed on the same layer as thefirst sub-electrode blocks 211, that is, theconnection electrode 212 may be made of a transparent conductive layer for making thefirst touch electrode 210 and thesecond touch electrode 220.

Thesecond touch electrode 220 includes a plurality ofsecond sub-electrode blocks 221, and in the samesecond touch electrode 221, two adjacentsecond sub-electrode blocks 221 may be connected through abridging electrode 222, wherein thebridging electrode 222 is disposed in a different layer from theconnection electrode 212, that is, thebridging electrode 222 is disposed in a different layer from thesecond sub-electrode blocks 221, and thebridging electrode 222 and thesecond sub-electrode blocks 221 are electrically connected throughvias 223. Thebridging electrode 222 provided in the embodiment of the present invention may be a metal electrode, and the metal material of the bridging electrode is not particularly limited in the embodiment of the present invention.

The material of theconductive passivation layer 300 provided in the embodiment of the present invention may be a transparent conductive material, i.e., theconductive passivation layer 300 provided in the embodiment of the present invention may be a transparent conductive passivation layer, such as ITO, IZO, etc., and the present invention is not limited thereto. Theconductive protection layer 300 and thebridging electrode 222 are arranged in a different-layer and insulating overlapping manner, theconductive protection layer 300 is further arranged in a different-layer and insulating manner with the connectingelectrode 212, and theconductive protection layer 300 and the connectingelectrode 212 have an overlapping region, so that coupling capacitors are formed on theconductive protection layer 300, the connectingelectrode 212 and thebridging electrode 222, and the electrostatic shunting capability of theconductive protection layer 300 is further improved. Theconductive protection layer 300 provided by the embodiment of the invention extends along the second direction X, so that the overlapping between theconductive protection layer 300 and the bridgingelectrode 222 is ensured, and the problem that the display is visible due to the overlarge width of theconductive protection layer 300 in the first direction Y can be further avoided.

In an embodiment of the present invention, the bridging electrode provided by the present invention may be located on a side of the connection electrode facing the substrate, wherein the hierarchical relationship between the conductive protection layer and the bridging electrode and the connection electrode is not particularly limited. As shown in fig. 2, the bridgingelectrode 222 provided by the embodiment of the present invention is located on the side of theconnection electrode 212 facing thesubstrate 100, and theconductive protection layer 300 is located on the side of theconnection electrode 212 facing away from thesubstrate 100. An insulatinglayer 411 is disposed between the bridgingelectrode 222 and the connectingelectrode 212, an insulatinglayer 412 is disposed between the connectingelectrode 212 and theconductive passivation layer 300, and apassivation insulating layer 413 is disposed on a side of theconductive passivation layer 300 away from thesubstrate 100. The bridgingelectrode 222 is electrically connected to the secondsub-electrode block 221 through a via 223.

As shown in fig. 3, which is a schematic structural diagram of another touch panel provided in the embodiment of the present invention, wherein the bridgingelectrode 222 provided in the embodiment of the present invention is located on one side of theconnection electrode 212 facing thesubstrate 100, and theconductive protection layer 300 is located between the bridgingelectrode 222 and theconnection electrode 212. An insulatinglayer 421 is arranged between the bridgingelectrode 222 and theconductive protection layer 300, an insulatinglayer 422 is arranged between theconductive protection layer 300 and the connectingelectrode 212, and a protectiveinsulating layer 423 is arranged on the side, away from the substrate base plate 200, of the connectingelectrode 212. The bridgingelectrode 222 and the secondsub-electrode block 221 are electrically connected through a via 223, and when the position of thevia 223 is within the range of theconductive protection layer 300, an insulatingisolation structure 424 is formed between theconductive protection layer 300 and thevia 223.

Fig. 4 is a schematic structural diagram of another touch panel according to an embodiment of the present invention, wherein the bridgingelectrode 222 is located on the side of theconnection electrode 212 facing thesubstrate 100, and theconductive protection layer 300 is located on the side of the bridgingelectrode 222 facing thesubstrate 100. An insulatinglayer 431 is provided between theconductive passivation layer 300 and the bridgingelectrode 222, an insulatinglayer 432 is provided between the bridgingelectrode 222 and the connectingelectrode 212, and apassivation insulating layer 433 is provided on a side of the connectingelectrode 212 facing away from thesubstrate 100. The bridgingelectrode 222 is electrically connected to the secondsub-electrode block 221 through a via 223.

Or, the bridging electrode provided by the present invention may be located on a side of the connection electrode away from the substrate, where the present invention does not specifically limit the hierarchical relationship between the conductive protection layer and the bridging electrode and the connection electrode. Fig. 5 is a schematic structural diagram of another touch panel according to an embodiment of the present invention, wherein the bridgingelectrode 222 is located on a side of theconnection electrode 212 facing away from thesubstrate 100, and theconductive protection layer 300 is located on a side of the bridgingelectrode 222 facing away from thesubstrate 100. The insulatinglayer 441 is disposed between theconnection electrode 212 and the bridgingelectrode 222, the insulatinglayer 443 is disposed between the bridgingelectrode 222 and theconductive protection layer 300, and the side of theconductive protection layer 300 away from thesubstrate 100 has theprotection insulating layer 443. The bridgingelectrode 222 is electrically connected to the secondsub-electrode block 221 through a via 223.

Fig. 6 is a schematic structural diagram of another touch panel according to an embodiment of the present invention, wherein the bridgingelectrode 222 is located on a side of theconnection electrode 212 facing away from thesubstrate 100, and theconductive protection layer 300 is located between the bridgingelectrode 222 and theconnection electrode 212. An insulatinglayer 451 is arranged between theconnection electrode 212 and theconductive protection layer 300, an insulatinglayer 452 is arranged between theconductive protection layer 300 and the bridgingelectrode 222, and aprotection insulating layer 453 is arranged on the side, away from thesubstrate 100, of the bridgingelectrode 222. The bridgingelectrode 222 and the secondsub-electrode block 221 are electrically connected through the via 223, and when the position of thevia 223 is within the range of theconductive protection layer 300, theconductive protection layer 300 and the via 223 have an insulatingisolation structure 454 therebetween.

Fig. 7 is a schematic structural diagram of another touch panel according to an embodiment of the present invention, wherein the bridgingelectrode 222 is located on a side of theconnection electrode 212 facing away from thesubstrate 100, and theconductive protection layer 300 is located on a side of theconnection electrode 212 facing toward thesubstrate 100. An insulatinglayer 461 is arranged between theconductive protection layer 300 and theconnection electrode 212, an insulatinglayer 462 is arranged between theconnection electrode 212 and the bridgingelectrode 222, and aprotection insulating layer 463 is arranged on one side of the bridgingelectrode 222, which is far away from thesubstrate base plate 100. The bridgingelectrode 222 is electrically connected to the secondsub-electrode block 221 through a via 223.

In an embodiment of the invention, an orthographic projection of the bridging electrode on the substrate is located within a range of the orthographic projection of the conductive protection layer on the substrate. Furthermore, on the basis of ensuring that the conductive protection layer and the bridging electrode have an overlapped area, the electrostatic shunting capacity of the conductive protection layer is improved, and the problem that the bridging electrode and/or the connecting electrode are damaged by static electricity is further solved.

In order to ensure that the static shunting capacity of the conductive protective layer is high and avoid the condition that the conductive protective layer is visible during displaying, the embodiment of the invention can optimize the size of the conductive protective layer. Specifically, as shown in fig. 8, which is a schematic structural diagram of a bridging electrode and a conductive protection layer provided in an embodiment of the present invention, an orthogonal projection of the bridgingelectrode 222 on the substrate base plate is located in an orthogonal projection range of theconductive protection layer 300 on the substrate base plate. And in the second direction X, the relationship between the length a1 of theconductive protection layer 300 and the length a2 of the bridgingelectrode 222 is: a1/a2 is more than 1 and less than or equal to 1.5.

And, in the first direction Y, the relationship between the width b1 of theconductive protection layer 300 and the width b2 of the bridgingelectrode 222 is: b1-b2 is more than 0 and less than or equal to 54 mu m.

As shown in fig. 9, which is a schematic structural diagram of a conductive protection layer according to an embodiment of the present invention, wherein theconductive protection layer 300 according to the embodiment of the present invention includes at least onetip portion 310. Optionally, in the second direction X, thetip portion 310 is located at an end portion of theconductive protection layer 300.

As can be understood, the tip portion is formed on the conductive protection layer, and then the static electricity on the conductive protection layer can be rapidly led out through the tip discharge principle, so that the ability of the conductive protection layer to shunt the static electricity is further improved, the probability that the domain bridging electrode and/or the connection electrode is damaged by the static electricity is further reduced, the ability of the touch panel to resist the static electricity damage is improved, and the high reliability of the touch panel is ensured.

As shown in fig. 10, a schematic structural diagram of a conductive protection layer and a second sub-electrode block according to an embodiment of the present invention is provided, wherein theconductive protection layer 300 according to the embodiment of the present invention includes at least onetip portion 310, and in the second direction X, thetip portion 310 is located at an end of theconductive protection layer 300. Also, the embodiment of the present invention provides thetip portion 310 to overlap with the secondsub-electrode block 221. Furthermore, when the static electricity is rapidly led out through thetip portion 310 of theconductive protection layer 300, since the discharging position of thetip portion 310 is located at the secondsub-electrode block 221, even if thetip portion 310 discharges to damage the secondsub-electrode block 221, since the secondsub-electrode block 221 has a relatively large area structure, the damage of thetip portion 310 to the secondsub-electrode block 221 cannot affect the touch performance of the touch panel, and the touch performance of the touch panel is not affected while the conductive protection layer is ensured to rapidly lead out the static electricity.

Fig. 11 is a schematic structural diagram of another touch panel according to an embodiment of the present invention, wherein theconductive protection layer 300 and theconnection electrode 212 are disposed in different layers, and theconductive protection layer 300 is further electrically connected to theconnection electrode 212.

It can be understood that the connection electrode provided by the embodiment of the present invention is electrically connected to the conductive protection layer, so that the impedance of the connection electrode can be reduced, thereby improving the ability of the connection electrode to conduct static electricity and improving the situation that the connection electrode is damaged by static electricity.

In an embodiment of the present invention, the electrical connection between the connection electrode and the conductive protection layer is not particularly limited. As shown in fig. 11, theconnection electrode 212 and theconductive protection layer 300 provided by the embodiment of the present invention may be connected through a via 213. And, the viahole 213, which is provided by the embodiment of the present invention and connects theconnection electrode 212 and theconductive protection layer 300, may be located at the center of theconductive protection layer 300, so that the via holes 213 are all located at positions away from the end of theconductive protection layer 300 in the second direction X, thereby forming a potential difference at only the end of theconductive protection layer 300 of the viahole 213, and improving the electrostatic discharge effect of theconductive protection layer 300.

The embodiment of the present invention provides a hierarchical relationship among theconductive protection layer 300, theconnection electrode 212 and the bridgingelectrode 222 shown in fig. 11, which is only one of all structures to which the present invention is applicable, and the present invention is not particularly limited. Wherein, when theconnection electrode 212 and theconductive protection layer 300 are located on the same side of the bridgingelectrode 222, the bridgingelectrode 212 and theconductive protection layer 300 can be directly electrically connected through thevia 213. As shown in fig. 12, which is a schematic structural diagram of another touch panel provided in the embodiment of the present invention, when theconnection electrode 212 and theconductive protection layer 300 are respectively located at two sides of the bridgingelectrode 222, theconnection electrode 212 and theconductive protection layer 300 can also be directly electrically connected through the via 213, and theisolation structure 214 is provided between the via 213 and the bridgingelectrode 222.

In any of the above embodiments of the present invention, the conductive protection layer provided by the present invention has no external signal line. That is, when the conductive protection layer provided by the embodiment of the present invention is electrically connected to the connection electrode, the conductive protection layer is in a floating state; when the conductive protection layer is electrically connected with the connecting electrode, the conductive protection layer is free from other signal wires, so that the conductive protection layer is used as an electrostatic discharge point, and the antistatic capability of the touch panel is improved.

In any of the above embodiments of the present invention, the substrate provided in the embodiments of the present invention may include a base substrate, a transistor array layer, a light emitting device layer, and a package layer, which are sequentially stacked.

Correspondingly, the embodiment of the invention also provides a touch display device, which comprises the touch panel provided by any one of the embodiments.

Referring to fig. 13, which is a schematic structural diagram of a touch display device according to an embodiment of the present invention, the touch display device according to an embodiment of the present invention may be amobile terminal 1000, and the mobile terminal includes the touch panel according to any one of the embodiments.

It should be noted that the touch display device provided in the embodiment of the present invention may also be a notebook, a tablet, a computer, a wearable device, and the like, and the present invention is not limited in particular.

An embodiment of the present invention provides a touch panel and a touch display device, including: a substrate base plate; the touch panel comprises a substrate base plate, a first touch electrode and a second touch electrode, wherein the substrate base plate is provided with a plurality of first sub-electrode blocks arranged along a first direction, the first touch electrode and the second touch electrode are arranged in a mutually crossed mode, the first touch electrode comprises a plurality of first sub-electrode blocks arranged along the first direction, the second touch electrode comprises a plurality of second sub-electrode blocks arranged along a second direction, two adjacent first sub-electrode blocks along the first direction are connected through a connecting electrode, and two adjacent second sub-electrode blocks along the second direction are connected through a bridging electrode; and the conductive protection layer is arranged in a different layer and overlapped mode with the bridging electrode, and extends along the second direction.

As can be seen from the above, in the technical scheme provided in the embodiment of the present invention, the conductive protection layer which is different from and overlapped with the bridging electrode is arranged, so that a coupling capacitor is formed between the conductive protection layer and the bridging electrode and/or the connecting electrode, and static electricity attracted by the coupling capacitor formed by the bridging electrode and the connecting electrode is shunted, so that the static electricity resistance of the bridging electrode and the connecting electrode is improved, the probability that the bridging electrode and the connecting electrode are damaged in the area is reduced, the static electricity damage resistance of the touch panel is improved, and the high reliability of the touch panel is ensured.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

Translated fromChinese

1.一种触控面板，其特征在于，包括：1. A touch panel, characterized in that, comprising:衬底基板；substrate substrate;位于所述衬底基板上、相互交叉设置的第一触控电极和第二触控电极，所述第一触控电极包括多个沿第一方向排列的第一子电极块，所述第二触控电极包括沿第二方向排列的多个第二子电极块，且沿所述第一方向上、相邻两个所述第一子电极块通过连接电极相连，沿所述第二方向上、相邻两个所述第二子电极块通过桥连电极相连；A first touch electrode and a second touch electrode are located on the base substrate and are arranged to cross each other, the first touch electrode includes a plurality of first sub-electrode blocks arranged along a first direction, the second touch electrode The touch electrode includes a plurality of second sub-electrode blocks arranged along a second direction, and along the first direction, two adjacent first sub-electrode blocks are connected by connecting electrodes, and along the second direction , two adjacent second sub-electrode blocks are connected by bridge electrodes;与所述桥连电极异层且交叠设置的导电保护层，且所述导电保护层沿所述第二方向延伸。A conductive protection layer disposed in a different layer and overlapping with the bridging electrode, and the conductive protection layer extends along the second direction.2.根据权利要求1所述的触控面板，其特征在于，所述桥连电极在所述衬底基板上的正投影，位于所述导电保护层在所述衬底基板的正投影的范围内。2 . The touch panel according to claim 1 , wherein the orthographic projection of the bridge electrode on the base substrate is located in the range of the orthographic projection of the conductive protection layer on the base substrate. 3 . Inside.3.根据权利要求2所述的触控面板，其特征在于，在所述第二方向上，所述导电保护层的长度a1与所述桥连电极的长度a2的关系为：1＜a1/a2≤1.5；3 . The touch panel according to claim 2 , wherein, in the second direction, the relationship between the length a1 of the conductive protective layer and the length a2 of the bridge electrode is: 1<a1/ a2≤1.5;在所述第一方向上，所述导电保护层的宽度b1与所述桥连电极的宽度b2的关系为：0＜b1-b2≤54μm。In the first direction, the relationship between the width b1 of the conductive protection layer and the width b2 of the bridge electrode is: 0<b1−b2≦54 μm.4.根据权利要求1所述的触控面板，其特征在于，所述导电保护层包括至少一个尖端部。4 . The touch panel of claim 1 , wherein the conductive protection layer comprises at least one tip portion. 5 .5.根据权利要求4所述的触控面板，其特征在于，在所述第二方向上，所述尖端部位于所述导电保护层的端部。5 . The touch panel according to claim 4 , wherein, in the second direction, the tip portion is located at an end portion of the conductive protection layer. 6 .6.根据权利要求1所述的触控面板，其特征在于，所述导电保护层与所述连接电极异层设置，且所述导电保护层还与所述连接电极电连接。6 . The touch panel according to claim 1 , wherein the conductive protection layer and the connection electrode are disposed in different layers, and the conductive protection layer is also electrically connected to the connection electrode. 7 .7.根据权利要求6所述的触控面板，其特征在于，所述连接电极与所述导电保护层通过过孔相连；其中，所述连接电极与所述导电保护层相连的过孔位于导电保护层的中心位置。7 . The touch panel according to claim 6 , wherein the connection electrode is connected to the conductive protection layer through a via hole; wherein the via hole connecting the connection electrode to the conductive protection layer is located in a conductive layer. 8 . The center position of the protective layer.8.根据权利要求1所述的触控面板，其特征在于，所述导电保护层为透明导电保护层。8 . The touch panel of claim 1 , wherein the conductive protective layer is a transparent conductive protective layer. 9 .9.根据权利要求1所述的触控面板，其特征在于，所述导电保护层无外接信号线。9 . The touch panel of claim 1 , wherein the conductive protection layer has no external signal lines. 10 .10.一种触控显示装置，其特征在于，所述触控显示装置包括权利要求1-9任意一项所述的触控面板。10. A touch display device, wherein the touch display device comprises the touch panel according to any one of claims 1-9.

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