CN111863919B

CN111863919B - Display panel and display device

Info

Publication number: CN111863919B
Application number: CN202010744588.7A
Authority: CN
Inventors: 王宝男; 敦栋梁; 夏志强
Original assignee: Wuhan Tianma Microelectronics Co Ltd
Current assignee: Wuhan Tianma Microelectronics Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2022-07-26
Anticipated expiration: 2040-07-29
Also published as: CN111863919A

Abstract

The invention discloses a display panel and a display device, relating to the technical field of display, wherein the display panel comprises: the display device comprises a display area and a non-display area surrounding the display area, wherein the non-display area comprises a first frame area, and the first frame area comprises a first sub-area and a second sub-area; a substrate base plate; the routing is positioned on the first side of the substrate base plate; in the direction perpendicular to the plane of the substrate base plate, the duty ratio of the routing in the first sub-area is smaller than that of the routing in the second sub-area; and the reflecting layer is positioned on the first side of the substrate base plate, and in the direction vertical to the plane of the substrate base plate, the reflecting layer covers the first sub-area and the second sub-area respectively. The invention effectively solves the problem that the display effect of the display panel is influenced by the difference of brightness and darkness in different areas in the non-display area of the display panel in vision.

Description

Display panel and display device

Technical Field

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

Background

The display panel generally comprises a display area for image display and a non-display area for setting a peripheral driving circuit, the non-display area further comprises a plurality of routing lines, external environment light and partial light inside the display panel can be reflected on the routing lines, due to the fact that the number of the routing lines in different areas in the non-display area is different, the line width of the routing lines and the line distance are different, the duty ratios of the routing lines in different areas in the non-display area are different, the reflection conditions of the light lines in different areas of the non-display area are different, the brightness difference of different areas in the non-display area is further caused, and the display effect of the display panel is affected.

Disclosure of Invention

In view of the above, the present invention provides a display panel and a display device, which effectively solve the problem that the display effect of the display panel is affected by the difference between brightness and darkness of different areas in the non-display area of the display panel.

In a first aspect, the present invention provides a display panel comprising: the display device comprises a display area and a non-display area surrounding the display area, wherein the non-display area comprises a first frame area, and the first frame area comprises a first sub-area and a second sub-area; a substrate base plate; the routing is positioned on the first side of the substrate base plate; in the direction perpendicular to the plane of the substrate base plate, the duty ratio of the routing in the first sub-area is smaller than that of the routing in the second sub-area; and the reflecting layer is positioned on the first side of the substrate base plate and covers the first sub-area and the second sub-area respectively in the direction vertical to the plane of the substrate base plate.

In a second aspect, the present invention provides a display device comprising the display panel provided by the present invention.

Compared with the prior art, the display panel and the display device provided by the invention at least realize the following beneficial effects:

the display panel provided by the invention comprises a display area and a non-display area surrounding the display area. The display panel further comprises a substrate base plate and a wiring positioned on the first side of the substrate base plate. The non-display area includes a first frame area including a first sub-area and a second sub-area. In the direction perpendicular to the plane of the substrate base plate, the duty ratio of the routing in the first sub-area is smaller than that of the routing in the second sub-area, namely the area ratio of the vertical projection pattern of the routing in the plane of the substrate base plate in the first sub-area is smaller than that of the vertical projection pattern of the routing in the plane of the substrate base plate in the second sub-area. The first side of the substrate base plate is provided with a reflecting layer, namely the reflecting layer and the routing wire are positioned on the same side of the substrate base plate. In the direction perpendicular to the plane of the substrate base plate, the reflecting layer covers the first sub-area and the second sub-area respectively, external environment light and part of light inside the display panel are reflected on the reflecting layer, so that the reflection conditions of the external environment light and part of light inside the display panel on the first sub-area and the second sub-area tend to be consistent, the problem that the reflection conditions of the external environment light and part of light inside the display panel on the routing lines in the first sub-area and the second sub-area are different is effectively solved, the visual brightness of the first sub-area and the second sub-area in the display panel tends to be consistent, and the display effect of the display panel is effectively improved.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic plan view of a display panel according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A' of FIG. 1;

FIG. 3 is a schematic plan view of another display panel provided by the present invention;

FIG. 4 is a schematic plan view of another display panel provided by the present invention;

FIG. 5 is a cross-sectional view taken along line B-B' of FIG. 4;

FIG. 6 is another sectional view taken along line B-B' of FIG. 4;

FIG. 7 is a further cross-sectional view taken along line B-B' of FIG. 4;

FIG. 8 is a schematic plan view of another display panel provided by the present invention;

FIG. 9 is a cross-sectional view taken along line C-C' of FIG. 8;

FIG. 10 is a partial cross-sectional view of yet another display panel provided in accordance with the present invention;

FIG. 11 is a schematic plan view of another display panel provided by the present invention;

fig. 12 is a schematic plan view of a display device according to the present invention.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Fig. 1 is a schematic plan view of a display panel provided by the present invention, fig. 2 is a cross-sectional view taken along a-a' of fig. 1, and referring to fig. 1 and fig. 2, the present embodiment provides a display panel including:

a display area AA and a non-display area NA surrounding the display area AA, the non-display area NA including a first bezel area NA1, the first bezel area NA1 including a first sub-area NA11 and a second sub-area NA 12;

a base substrate 10;

the trace 20 is positioned on the first side of the substrate base plate 10; in the direction perpendicular to the plane of the substrate base plate 10, the duty cycle of the trace 20 in the first sub-area NA11 is smaller than the duty cycle of the trace 20 in the second sub-area NA 22;

and the reflecting layer 30, the reflecting layer 30 is positioned on the first side of the substrate base plate 10, and in the direction perpendicular to the plane of the substrate base plate 10, the reflecting layer 30 covers the first sub-area NA11 and the second sub-area NA12 respectively.

Specifically, with continued reference to fig. 1 and fig. 2, the display panel provided in this embodiment includes a display area AA and a non-display area NA surrounding the display area AA, the display area AA has a display function, and the non-display area NA is used for placing a circuit and the like and is not used for displaying.

The display panel further includes a substrate 10 and a trace 20 located on a first side of the substrate 10, where the first side of the substrate 10 is a side of the substrate 10 close to a light emitting surface of the display panel. The non-display area NA includes a first frame area NA1, and the first frame area NA1 includes a first sub-area NA11 and a second sub-area NA 12. In the direction perpendicular to the plane of the substrate base plate 10, the duty cycle of the trace 20 in the first sub-area NA11 is smaller than the duty cycle of the trace 20 in the second sub-area NA22, that is, the area ratio of the vertical projection pattern of the trace 20 in the plane of the substrate base plate 10 in the first sub-area NA11 is smaller than the area ratio of the vertical projection pattern of the trace 20 in the plane of the substrate base plate 10 in the second sub-area NA 22.

The reflective layer 30 is disposed on the first side of the substrate base 10, i.e. the reflective layer 30 and the trace 20 are located on the same side of the substrate base 10. In the direction perpendicular to the plane of the substrate base plate 10, the reflective layer 30 covers the first sub-area NA11 and the second sub-area NA12, respectively, and the external ambient light and part of light inside the display panel are reflected on the reflective layer 30, so that the external ambient light and part of light inside the display panel are reflected on the first sub-area NA11 and the second sub-area NA12 in a consistent manner, and the problem that the external ambient light and part of light inside the display panel are reflected on the traces 20 in the first sub-area NA11 and the second sub-area NA12 in a different manner is solved, so that the visual brightness of the first sub-area NA11 and the second sub-area NA12 in the display panel is consistent, and the display effect of the display panel is improved effectively.

It is to be understood that, as exemplarily shown in fig. 1, the non-display area NA includes a first frame area NA1, and the first frame area NA1 includes a first sub-area NA11 and a second sub-area NA12, in other embodiments of the present invention, the number of the first frame area NA1 in the non-display area NA, and the number of the first sub-area NA11 and the second sub-area NA12 in the first frame area NA1 may be set according to actual production needs, which is not limited by the present invention.

Fig. 3 is a schematic plan view of another display panel provided in the present invention, and referring to fig. 3, the display panel optionally further includes a flexible printed circuit board 40, and one end of the trace 20 is electrically connected to the flexible printed circuit board 40;

the first bezel area NA1 is located on a side of the display area AA adjacent to the flexible printed circuit board 40.

Specifically, the display panel further includes a Flexible Printed Circuit board (FPC) 40, one end of each of the traces 20 is electrically connected to the FPC 40, and a portion of the non-display area NA, which is located on a side of the display area AA close to the FPC 40, of the trace 20 is more, so that the first frame area NA1 is located on a side of the display area AA close to the FPC 40, that is, the reflective layer 30 is disposed on the first frame area NA1, which is located on a side of the display area AA close to the FPC 40.

It should be noted that, in this embodiment, the first frame area NA1 is exemplarily shown to be located on one side of the display area AA close to the flexible printed circuit board 40, in other embodiments of the present invention, the first frame area NA1 may also be located at other positions of the non-display area NA, that is, the reflective layer 30 may also be disposed at other positions of the non-display area NA according to actual production requirements, and details of the present invention are not repeated herein.

Fig. 4 is a schematic plan view of another display panel provided in the present invention, and referring to fig. 4, optionally, the display panel further includes first connection lines 51 and second connection lines 52 located in the non-display area NA;

the trace 20 includes a first trace 21 electrically connected to the first connection line 51 and a second trace 52 electrically connected to the second connection line 52.

Specifically, the display panel further includes a first connection line 51 and a second connection line 52 located in the non-display area NA, the trace 20 includes a first trace 21 and a second trace 22, the first trace 21 is electrically connected to the first connection line 51, and the second trace 52 is electrically connected to the second connection line 52.

Fig. 5 is a cross-sectional view along direction B-B' of fig. 4, referring to fig. 4 and 5, optionally, wherein the first trace 21 and the second trace 22 are disposed at the same layer.

Specifically, with continued reference to fig. 4 and 5, the first routing line 21 and the second routing line 22 are disposed on the same layer, which effectively increases the space for disposing other film layers in the display panel, and the increased space for disposing the film layer can be used to dispose the reflective layer 30, so that the thickness of the display panel is not affected by the disposition of the reflective layer 30.

With continued reference to fig. 4 and 5, optionally, a reflective layer 30 is located between the substrate base plate 10 and the traces 20.

Specifically, the first trace 21 and the second trace 22 are disposed on the same layer, and the reflective layer 30 may be disposed between the substrate 10 and the trace 20, so that the thickness of the display panel is not affected by the disposition of the reflective layer 30.

Fig. 6 is another cross-sectional view along the direction B-B' of fig. 4, referring to fig. 4 and 6, and optionally, the reflective layer 30 is located on the side of the trace 20 away from the substrate base plate 10.

Specifically, the first trace 21 and the second trace 22 are disposed on the same layer, and the reflective layer 30 is located on one side of the trace 20 away from the substrate 10, so that the thickness of the display panel is not affected by the disposition of the reflective layer 30.

Fig. 7 is a further cross-sectional view along the direction B-B' in fig. 4, referring to fig. 4 and fig. 7, optionally, wherein the first trace 21 and the second trace 22 are disposed in different layers, and the reflective layer 30 and the first trace 21 and the second trace 22 are both disposed in different film layers.

Specifically, the first wire 21 and the second wire 22 are disposed on different films, and the reflective layer 30, the first wire 21 and the second wire 22 are both disposed on different films, so as to effectively avoid signal interference between the first wire 21 and the second wire 22.

It can be understood that fig. 7 exemplarily shows that the first trace 21 is located between the second trace 22 and the substrate base plate 10, and the reflective layer 30 is located on a side of the second trace 22 away from the substrate base plate 10, in other embodiments of the present invention, the reflective layer 30 and the film layer where the first trace 21 is located, and the film layer where the second trace 22 is located may be arranged in other structures according to actual production needs, which is not limited by the present invention.

Fig. 8 is a schematic plan view of another display panel provided in the present invention, and referring to fig. 8, optionally, the display panel further includes a plurality of first touch electrodes 61 and a plurality of second touch electrodes 62;

the first connecting line 51 is a first touch line 51 electrically connected to the first touch electrode 61;

the second connection line 52 is a second touch line 52 electrically connected to the second touch electrode 62.

Specifically, the display panel provided in this embodiment is a touch display panel, and includes a plurality of first touch electrodes 61 and a plurality of second touch electrodes 62, the first connection line 51 is a first touch line 51 electrically connected to the first touch electrode 61, the first trace 21 is electrically connected to the first touch electrode 61 through the first touch line 51, the second connection line 52 is a second touch line 52 electrically connected to the second touch electrode 62, and the second trace 22 is electrically connected to the second touch electrode 62 through the second touch line 52.

It should be noted that, in the embodiment, the first trace 21 is exemplarily shown as a signal line electrically connected to the first touch electrode 61, and the second trace 22 is a signal line electrically connected to the second touch electrode 52.

Fig. 9 is a cross-sectional view taken along direction C-C' of fig. 8, referring to fig. 8 and 9, and optionally, the display panel further includes an encapsulation layer 70;

the first touch electrode 61, the second touch electrode 62, the first touch line 51, the second touch line 52 and the trace 20 are all located on a side of the package layer 70 away from the substrate 10.

Specifically, the display panel further includes a package layer 70, the first touch electrode 61, the second touch electrode 62, the first touch line 51, the second touch line 52 and the trace 20 are all located on one side of the package layer 70 away from the substrate 10, the first touch electrode 61 and the second touch electrode 62 may be integrated on the package layer 70 in the display panel, or the manufactured first touch electrode 61 and the manufactured second touch electrode 62 may be disposed on the package layer 70.

Since the trace 20 is disposed on the side of the package layer 70 away from the substrate 10, the distance between the trace 20 and the light-emitting surface of the display panel is short, so that the external ambient light is reflected strongly on the trace 20. In the direction perpendicular to the plane of the substrate base plate 10, the reflective layer 30 is arranged to cover the first sub-area NA11 and the second sub-area NA12, and the external ambient light is reflected on the reflective layer 30, so that the external ambient light and the reflection condition of the light rays inside the display panel on the first sub-area NA11 and the second sub-area NA12 tend to be consistent, the problem that the external ambient light is reflected on the routing lines 20 in the first sub-area NA11 and the second sub-area NA12 in different conditions is effectively solved, the luminance of the first sub-area NA11 and the luminance of the second sub-area NA12 in the display panel tend to be consistent visually, and the display effect of the display panel is effectively improved.

It should be noted that, in the present embodiment, it is exemplarily shown that the first touch electrode 61, the second touch electrode 62, the first touch line 51, the second touch line 52 and the trace 20 are all located on one side of the package layer 70 away from the substrate 10, in other embodiments of the present invention, the first touch electrode 61, the second touch electrode 62, the first touch line 51, the second touch line 52 and the trace 20 may also be located between the package layer 70 and the substrate 10, which is not described herein again.

With continued reference to fig. 8 and 9, optionally, the encapsulation layer 70 is a thin film encapsulation layer or an encapsulation glue layer.

Specifically, when the display panel adopts flexible package, the package layer 70 is a thin film package layer, and when the display panel adopts rigid package, the package layer 70 is a package glue layer.

Fig. 10 is a partial cross-sectional view of another display panel provided in the present invention, referring to fig. 10, optionally, the display panel further includes a first touch layer 81 and a second touch layer 82, the first touch layer 81 is located between the encapsulation layer 70 and the second touch layer 82;

the first touch line 51 is located on the first touch layer 81;

the second touch line 52 is located on the second touch layer 82.

Specifically, with reference to fig. 10, the display panel further includes a first touch layer 81 and a second touch layer 82, the first touch line 51 is located on the first touch layer 81, the second touch line 52 is located on the second touch layer 82, the first touch line 51 and the second touch line 52 are located in the non-display area NA, and the first touch line 51 and the second touch line 52 are disposed on different film layers, so as to effectively reduce the area of the non-display area NA, and facilitate the narrow frame of the display panel.

Referring to fig. 8 and 10, optionally, the first touch electrode 61 and the second touch electrode 62 are respectively located on any one of the first touch layer 81 and the second touch layer 82.

Specifically, in the display panel, the first touch electrode 61 and the second touch electrode 62 may be disposed on the same layer, or disposed on different layers.

Optionally, the first touch electrode 61 extends along a first direction X, and the second touch electrode 62 extends along a second direction Y, where the first direction X intersects the second direction Y. The first touch electrode 61 includes a plurality of electrically connected first portions 611, a vertical projection of the first portions 611 on a plane where the light emitting surface of the display panel is located is a diamond shape, the second touch electrode 62 includes a plurality of electrically connected second portions 621, a vertical projection of the second portions 621 on the plane where the display panel is located is a diamond shape;

the second section 621 is embedded in the empty space formed by the first section 611 in the direction perpendicular to the plane of the display panel.

Optionally, the first touch electrode 61 and the second touch electrode 62 are disposed on the same layer, the first sub-portions 611 in the same first touch electrode 61 are connected in a bridging connection manner, and the second sub-portions 621 in the same second touch electrode 62 are connected in a bridging connection manner.

Optionally, the first touch electrode 61 and the second touch electrode 62 are located on different film layers.

Fig. 11 is a schematic plan view of another display panel provided by the present invention, and referring to fig. 11, optionally, the first touch electrode 61 and the second touch electrode 62 are both in a stripe structure, the first touch electrode 61 extends along a first direction X, and the second touch electrode 62 extends along a second direction Y, where the first direction X and the second direction Y intersect. The first touch electrode 61 and the second touch electrode 62 are located on different film layers.

With reference to fig. 8, optionally, the first touch electrode 61 is a touch driving electrode, and the second touch electrode 62 is a touch sensing electrode. It is understood that, in other embodiments of the present invention, the first touch electrode 61 is a touch sensing electrode, and the second touch electrode 62 is a touch driving electrode, which is not described herein again.

It should be noted that, this embodiment exemplarily shows that the display panel adopts mutual capacitance touch, and in other embodiments of the present invention, the display panel may also adopt self-capacitance touch, which is not described herein again.

With continued reference to fig. 8 and 9, optionally, the material of the reflective layer 30 is a metal material, and the reflective layer 30 is connected to a first fixed potential.

Specifically, the reflective layer 30 may be made of a metal material, optionally, the reflective layer 30 may be made of the same material as the trace 20, and when the trace 20 is disposed on the same layer and is located on one of the first touch layer 81 and the second touch layer 82, the reflective layer 30 may be disposed on the other of the first touch layer 81 and the second touch layer 82 and is disposed on the same layer as the first touch line 51 or the second touch line 52, and the reflective layer is manufactured through the same process.

When the reflective layer 30 is made of a metal material, the reflective layer 30 is connected to a first fixed potential to prevent static electricity from being accumulated on the reflective layer 30.

It should be noted that, in this embodiment, the material of the reflective layer 30 is exemplarily shown to be a metal material, and in other embodiments of the present invention, the material of the reflective layer 30 may also be other materials such as an organic material, which is not described herein again.

Optionally, the display panel is an organic light emitting display panel.

It should be noted that, in other implementations of the present invention, the display panel may also be a liquid crystal display panel, a micro light emitting diode display panel, a quantum dot display, an electronic paper, or other types of panels or display components.

The present embodiment provides a display device including the display panel as described above.

Referring to fig. 12, fig. 12 is a schematic plan view of a display device according to the present invention. Fig. 12 provides a display device 1000 including a display panel 100, wherein the display panel is the display panel 100 according to any of the embodiments of the present invention. The embodiment of fig. 12 is only an example of a mobile phone, and the display device 1000 is described, it should be understood that the display device provided in the embodiment of the present invention may be other display devices with a display function, such as a computer, a television, and a vehicle-mounted display device, and the present invention is not limited to this. The display device provided in the embodiment of the present invention has the beneficial effects of the display panel provided in the embodiment of the present invention, and specific reference may be made to the specific description of the display panel in each of the above embodiments, which is not repeated herein.

According to the embodiment, the display panel and the display device provided by the invention at least realize the following beneficial effects:

the display panel provided by the invention comprises a display area and a non-display area surrounding the display area. The display panel further comprises a substrate base plate and a routing wire positioned on the first side of the substrate base plate. The non-display area includes a first bezel area including a first sub-area and a second sub-area. In the direction perpendicular to the plane of the substrate base plate, the duty ratio of the routing in the first sub-area is smaller than that of the routing in the second sub-area, namely the area ratio of the vertical projection pattern of the routing in the plane of the substrate base plate in the first sub-area is smaller than that of the vertical projection pattern of the routing in the plane of the substrate base plate in the second sub-area. The first side of the substrate base plate is provided with a reflecting layer, namely the reflecting layer and the routing wire are positioned on the same side of the substrate base plate. In the direction perpendicular to the plane of the substrate base plate, the reflecting layer covers the first sub-area and the second sub-area respectively, external environment light and part of light inside the display panel are reflected on the reflecting layer, so that the reflection conditions of the external environment light and part of light inside the display panel on the first sub-area and the second sub-area tend to be consistent, the problem that the reflection conditions of the external environment light and part of light inside the display panel on the routing lines in the first sub-area and the second sub-area are different is effectively solved, the visual brightness of the first sub-area and the second sub-area in the display panel tends to be consistent, and the display effect of the display panel is effectively improved.

Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. A display panel, comprising:

a display area and a non-display area surrounding the display area, the non-display area including a first bezel area including a first sub-area and a second sub-area;

a base substrate;

the routing is positioned on the first side of the substrate base plate; in a direction perpendicular to the plane of the substrate base plate, the duty cycle of the trace in the first sub-area is smaller than that of the trace in the second sub-area;

the reflecting layer is positioned on the first side of the substrate base plate, and in the direction perpendicular to the plane of the substrate base plate, the reflecting layer covers the first sub-area and the second sub-area respectively;

the display device also comprises a first connecting line and a second connecting line which are positioned in the non-display area;

the wires comprise a first wire electrically connected with the first connecting wire and a second wire electrically connected with the second connecting wire;

the first wire and the second wire are arranged on the same layer, and the reflecting layer is positioned between the substrate base plate and the wires.

2. The display panel according to claim 1, further comprising a flexible printed circuit board, wherein one end of the trace is electrically connected to the flexible printed circuit board;

the first frame area is located on one side, close to the flexible printed circuit board, of the display area.

3. The display panel according to claim 1, further comprising a plurality of first touch electrodes and a plurality of second touch electrodes;

the first connecting line is a first touch line electrically connected with the first touch electrode;

the second connecting line is a second touch line electrically connected with the second touch electrode.

4. The display panel according to claim 3, further comprising an encapsulation layer;

the first touch electrode, the second touch electrode, the first touch line, the second touch line and the routing line are all located on one side, away from the substrate, of the packaging layer.

5. The display panel according to claim 4, further comprising a first touch layer and a second touch layer, wherein the first touch layer is located between the encapsulation layer and the second touch layer;

the first touch line is positioned on the first touch layer;

the second touch line is located on the second touch layer.

6. The display panel according to claim 5,

the first touch electrode and the second touch electrode are respectively positioned on any one of the first touch layer and the second touch layer.

7. The display panel according to claim 5,

the packaging layer is a thin film packaging layer or a packaging adhesive layer.

8. The display panel according to claim 1,

the reflecting layer is made of a metal material and is connected to a first fixed potential.

9. The display panel according to claim 3,

the first touch electrode is a touch driving electrode, and the second touch electrode is a touch sensing electrode.

10. The display panel according to claim 1,

the display panel is an organic light emitting display panel.

11. A display device characterized by comprising the display panel according to any one of claims 1 to 10.