Display panel and display device

Abstract

The invention discloses a display panel and a display device. The display panel comprises an array substrate; the first electrode layer is arranged on one side of the array substrate and comprises a first electrode; the touch electrode and the first electrode are arranged on the same layer; the insulating layer is arranged on one side of the array substrate, the insulating layer comprises a pixel limiting part and a pixel opening limited by the pixel limiting part, and the orthographic projection of the first electrode on the array substrate and the orthographic projection of the pixel opening on the array substrate are at least partially overlapped; the light-emitting layer comprises a light-emitting part arranged on the side, away from the array substrate, of the first electrode; through holes are formed in the conductive layer, and at least part of the through holes are located in the side, away from the array substrate, of the touch electrode. According to the display panel provided by the embodiment of the invention, the display panel has relatively good touch reliability.

Description

Technical Field

[0001] The present application belongs to the field of display technology, and in particular, relates to a display panel and a display device. Background Art

[0002] Organic Light Emitting Diode (OLED) and flat panel display devices based on technologies such as Light Emitting Diode (LED) have been widely used in various consumer electronic products such as mobile phones, televisions, laptops, desktop computers, etc. due to their advantages such as high image quality, power saving, thin body and wide application range, becoming the mainstream in display devices.

[0003] However, the performance of current OLED display products needs to be improved. Summary of the invention

[0004] Embodiments of the present application provide a display panel and a display device, aiming to improve the touch reliability of the display panel.

[0005] An embodiment of the first aspect of the present application provides a display panel, comprising: an array substrate; a first electrode layer, arranged on one side of the array substrate, comprising a first electrode; a touch electrode, arranged in the same layer as the first electrode; an insulating layer, arranged on one side of the array substrate, the insulating layer comprising a pixel defining portion and a pixel opening defined by the pixel defining portion, the orthographic projection of the first electrode on the array substrate and the orthographic projection of the pixel opening on the array substrate being at least partially overlapped; a light-emitting layer, comprising a light-emitting portion arranged on a side of the first electrode facing away from the array substrate; and a conductive layer, the conductive layer being provided with through holes, at least some of the through holes being located on the side of the touch electrode facing away from the array substrate.

[0006] According to an implementation of the first aspect of the present application, the conductive layer includes a second electrode layer, the second electrode layer includes a second electrode located on a side of the light-emitting portion away from the first electrode, and the second electrode layer is provided with a through hole.

[0007] According to any of the aforementioned embodiments of the first aspect of the present application, there are multiple through holes, at least some of the through holes are arranged at intervals, and / or at least some of the through holes are arranged around at least some of the pixel openings.

[0008] According to any of the aforementioned implementations of the first aspect of the present application, the display panel includes at least two light-emitting subareas, and at least some of the through holes are arranged around at least some of the light-emitting subareas;

[0009] According to any of the aforementioned implementations of the first aspect of the present application, at least part of the through holes are located in the light-emitting subarea and are spaced apart from each other.

[0010] According to any of the aforementioned embodiments of the first aspect of the present application, the luminous colors of the luminous parts in the same luminous subarea are the same, and / or the luminous colors of the luminous parts in adjacent luminous subareas are different.

[0011] According to any of the aforementioned embodiments of the first aspect of the present application, the second electrodes located in the same light-emitting subarea are electrically connected to each other, and the second electrodes located in different light-emitting subareas are spaced apart from each other at the through holes.

[0012] According to any of the aforementioned implementations of the first aspect of the present application, the second electrodes located in the same light-emitting subarea are connected to the same power supply voltage signal line in the display panel.

[0013] According to any of the aforementioned embodiments of the first aspect of the present application, the display panel includes a second electrode layer and an isolation structure, the second electrode layer includes a second electrode located on the side of the light-emitting portion away from the first electrode, the isolation structure includes a conductive portion, the conductive portion forms at least a portion of the conductive layer, the second electrode is connected to the conductive portion, and the conductive portion is provided with a through hole.

[0014] According to any of the aforementioned embodiments of the first aspect of the present application, there are multiple through holes, at least some of the through holes are arranged at intervals, and / or at least some of the through holes are arranged around at least some of the pixel openings.

[0015] According to any of the aforementioned implementations of the first aspect of the present application, the display panel includes at least two light-emitting partitions, and at least part of the through holes are arranged around at least part of the light-emitting partitions.

[0016] According to any of the aforementioned implementations of the first aspect of the present application, at least part of the through holes are located in the light-emitting subarea and are spaced apart from each other.

[0017] According to any of the aforementioned embodiments of the first aspect of the present application, the luminous colors of the luminous parts in the same luminous subarea are the same, and / or the luminous colors of the luminous parts in adjacent luminous subareas are different.

[0018] According to any of the aforementioned embodiments of the first aspect of the present application, the second electrodes located in the same light-emitting subarea are electrically connected to each other, and the second electrodes located in different light-emitting subareas are spaced apart from each other at the through holes.

[0019] According to any of the aforementioned implementations of the first aspect of the present application, the second electrodes located in the same light-emitting subarea are connected to the same power supply voltage signal line in the display panel.

[0020] According to any of the aforementioned embodiments of the first aspect of the present application, there are multiple isolation structures, the multiple isolation structures are arranged at intervals at the through hole, and each isolation structure is respectively arranged in a different light-emitting partition.

[0021] According to any of the aforementioned embodiments of the first aspect of the present application, the isolation structure encloses an isolation opening, the isolation structure includes an isolation portion, the isolation portion has a first end and a second end relative to each other in the thickness direction of the display panel, the first end is located on the side of the second end facing the array substrate, and the orthographic projection of the first end on the array substrate is located within the orthographic projection of the second end on the array substrate.

[0022] According to any of the aforementioned implementations of the first aspect of the present application, in a direction away from the array substrate, the distance between the surfaces of the isolation portion toward the isolation openings on both sides thereof gradually increases.

[0023] According to any of the aforementioned implementations of the first aspect of the present application, the isolation portion is reused as at least a partial conductive portion of the isolation structure, and a through hole is opened in the isolation portion.

[0024] According to any of the aforementioned embodiments of the first aspect of the present application, the isolation portion includes a first isolation portion and a second isolation portion arranged on the side of the first isolation portion facing away from the array substrate, the orthographic projection of the first isolation portion on the array substrate is located within the orthographic projection of the second isolation portion on the array substrate, and at least a portion of the second isolation portion is arranged to protrude from the first isolation portion toward the isolation opening.

[0025] According to any of the aforementioned embodiments of the first aspect of the present application, the first isolation portion is reused as at least a portion of the conductive portion of the isolation structure, and the first isolation portion is provided with a through hole, and / or the second isolation portion is reused as at least a portion of the conductive portion of the isolation structure, and the second isolation portion is provided with a through hole.

[0026] According to any of the aforementioned embodiments of the first aspect of the present application, the isolation structure further includes a connecting portion located on the side of the isolation portion facing the array substrate, and at least a portion of the connecting portion protrudes from the isolation portion in a direction toward the isolation opening and is connected to the second electrode.

[0027] According to any of the aforementioned implementations of the first aspect of the present application, the connecting portion is reused as at least a partial conductive portion of the isolation structure, and the through hole is provided through the connecting portion.

[0028] According to any of the aforementioned implementations of the first aspect of the present application, the conductive layer is disposed on a side of at least one of the light-emitting portion and the pixel defining portion that is away from the array substrate.

[0029] According to any of the aforementioned implementations of the first aspect of the present application, the first electrode is exposed from the pixel opening.

[0030] According to any of the aforementioned implementations of the first aspect of the present application, at least a portion of the pixel defining portion is disposed on a side of the touch electrode facing away from the array substrate.

[0031] According to any of the aforementioned implementations of the first aspect of the present application, the orthographic projection of the touch electrode on the array substrate is located within the orthographic projection of the pixel defining portion on the array substrate.

[0032] According to any of the aforementioned embodiments of the first aspect of the present application, the display panel includes an isolation structure, the isolation structure includes a conductive portion, the conductive portion forms at least a partial conductive layer, the isolation structure is arranged on a side of the pixel defining portion away from the array substrate, and / or the pixel defining portion is provided with a receiving groove, and at least a portion of the isolation structure is located in the receiving groove.

[0033] According to any of the aforementioned implementations of the first aspect of the present application, the display panel has multiple touch control areas, the touch control electrode includes multiple sub-electrodes, each sub-electrode is arranged in a different touch control area, and adjacent sub-electrodes are arranged at intervals.

[0034] According to any of the aforementioned implementations of the first aspect of the present application, the pixel defining portion is in a grid shape.

[0035] According to any of the aforementioned embodiments of the first aspect of the present application, the sub-electrode is in a grid shape, and the sub-electrode is arranged around at least a portion of the first electrode.

[0036] According to any of the aforementioned embodiments of the first aspect of the present application, the plurality of sub-electrodes are arranged at intervals in the first direction and / or the second direction, wherein the first direction intersects with the second direction.

[0037] According to any of the aforementioned implementations of the first aspect of the present application, the array substrate includes a plurality of touch signal lines, and each touch signal line is connected to each sub-electrode through a via hole.

[0038] According to any of the foregoing embodiments of the first aspect of the present application, the array substrate also includes a transistor, the transistor includes an active layer and a source-drain conductive portion located on the side of the active layer facing the first electrode, the first electrode is connected to the active layer of the transistor through the source-drain conductive portion, and the touch signal line is arranged on the same layer as the source-drain conductive portion.

[0039] According to any of the aforementioned implementations of the first aspect of the present application, the transistor further includes a gate located between the active layer and the source-drain conductive portion.

[0040] According to any of the aforementioned embodiments of the first aspect of the present application, the source-drain conductive portion is connected to the active layer through a via, and the first electrode is connected to the source-drain conductive portion through a via.

[0041] According to any of the aforementioned implementations of the first aspect of the present application, at least a portion of the touch signal lines are extended along the first direction, and / or at least a portion of the touch signal lines are extended along the second direction.

[0042] According to any of the aforementioned implementations of the first aspect of the present application, the orthographic projection of the touch electrode on the array substrate and the orthographic projection of the through hole on the array substrate are at least partially overlapped.

[0043] An embodiment of a second aspect of the present application provides a display device, which includes a display panel according to any of the above embodiments.

[0044] According to an implementation of the second aspect of the present application, the display panel has multiple touch areas, the touch electrode includes multiple sub-electrodes, each sub-electrode is arranged in a different touch area, and adjacent sub-electrodes are arranged at intervals, the display panel also includes a touch signal line, and the display device also includes a touch detection circuit. The sub-electrode is connected to the touch detection circuit through the touch signal line, and the touch detection circuit is used to detect the capacitance between the sub-electrode and the ground when the target body contacts the touch area.

[0045] According to any of the aforementioned implementations of the second aspect of the present application, the touch detection circuit includes a signal generating module and a capacitance detection module, the signal generating module is used to provide a touch driving signal to the sub-electrode, and the capacitance detection module is used to receive a touch detection signal transmitted from the sub-electrode.

[0046] In a display panel provided in an embodiment of the present application, the display panel includes an array substrate, a first electrode layer, a touch electrode, an insulating layer, a light-emitting layer, and a conductive layer, the first electrode layer is arranged on one side of the array substrate and includes a first electrode, the insulating layer is arranged on one side of the array substrate, the insulating layer includes a pixel defining portion and a pixel opening defined by the pixel defining portion, the orthographic projection of the first electrode on the array substrate and the orthographic projection of the pixel opening on the array substrate are at least partially overlapped, that is, the first electrode can be arranged corresponding to the pixel opening, and the pixel defining portion can be used to divide the sub-pixels of the display panel. By arranging the touch electrode and the first electrode in the same layer, it is not necessary to arrange an additional layer structure to arrange the touch electrode, so that the display panel can have a smaller thickness. In addition, the touch electrode and the first electrode are arranged in the same layer, so that the touch electrode can be prepared in the same process step as the first electrode, thereby simplifying the preparation process of the display panel and improving the preparation efficiency of the display panel.

[0047] By opening a through hole on the conductive layer, and arranging at least part of the through holes on the side of the touch electrode away from the array substrate, the capacitance generated by the touch electrode can be better affected by the external conductor through the through hole, that is, the conductive layer is not easy to interfere with the capacitance generated by the touch electrode, so that the touch electrode can realize touch operation, thereby better improving the touch reliability of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0049] Figure 1 is a partial cross-sectional view of a display panel according to an embodiment of the present application;

[0050] Figure 2 is a schematic diagram of a partial structure of a second electrode layer in an embodiment of the present application;

[0051] Figure 3 is a schematic diagram of a partial structure of a second electrode layer according to another embodiment of the present application;

[0052] Figure 4 is a partial cross-sectional view of a display panel according to another embodiment of the present application;

[0053] Figure 5 It is a partial structural schematic diagram of an isolation structure of an embodiment of the present application;

[0054] Figure 6 is a partial structural schematic diagram of an isolation structure of another embodiment of the present application;

[0055] Figure 7 is a partial cross-sectional view of a display panel according to yet another embodiment of the present application;

[0056] Figure 8 is a partial cross-sectional view of a display panel according to another embodiment of the present application;

[0057] Fig. 9 is a schematic diagram of a partial structure of a pixel defining portion in an embodiment of the present application;

[0058] Fig.10 is a schematic structural diagram of a sub-electrode in an embodiment of the present application;

[0059] Fig.11 is a partial cross-sectional view of a display panel according to another embodiment of the present application;

[0060] Fig.12 is a partially enlarged schematic diagram of a sub-electrode in an embodiment of the present application;

[0061] Fig.13 is a partial cross-sectional view of a display panel according to another embodiment of the present application;

[0062] Fig.14 It is a schematic diagram of the connection between a sub-electrode and a touch detection circuit according to an embodiment of the present application.

[0063] Description of reference numerals:

[0064] 10. display panel; 10a. touch area; 10b. light-emitting partition; 11. conductive layer; 11a. through hole; 12. insulating layer;

[0065] 100, array substrate; 110, substrate; 120, first interlayer insulating layer; 130, second interlayer insulating layer; 140, third interlayer insulating layer; 150, fourth interlayer insulating layer; 160, driving circuit; 161, transistor; 161a, gate; 161b, source-drain conductive portion; 161c, active layer; 161d, source-drain electrode; 162, storage capacitor; 162a, first electrode plate; 162b, second electrode plate; 163, touch signal line;

[0066] 200, first electrode layer; 210, first electrode; 220, touch electrode; 221, sub-electrode; 221a, first edge electrode; 221b, second edge electrode; 221c, gap; 221d, non-edge electrode;

[0067] 300, isolation structure; 300a, isolation opening; 301, conductive part; 310, isolation part; 310a, first end; 310b, second end; 311, first isolation part; 312, second isolation part; 320, connection part; 302, pixel defining part; 302a, receiving groove; 302b, first insulating part; 302c, second insulating part; 303, pixel opening; 303a, first opening; 303b, second opening; 303c, third opening;

[0068] 400, light-emitting layer; 410, light-emitting portion;

[0069] 500, second electrode layer; 510, second electrode;

[0070] 600, touch detection circuit;

[0071] X, thickness direction;

[0072] Y, first direction;

[0073] Z, second direction. DETAILED DESCRIPTION

[0074] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present application and are not configured to limit the present application. For those skilled in the art, the present application can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by illustrating the examples of the present application.

[0075] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "include..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0076] It should be understood that when describing the structure of a component, when a layer or a region is referred to as being "on" or "over" another layer or another region, it may mean that it is directly on the other layer or another region, or that other layers or regions are included between it and the other layer or another region. Moreover, if the component is turned over, the layer or a region will be "below" or "beneath" another layer or another region.

[0077] Organic light-emitting diodes and flat-panel display devices based on technologies such as light-emitting diodes have the advantages of high image quality, power saving, thin body and wide application range, and are widely used in various consumer electronic products such as mobile phones, televisions, laptops, desktop computers, etc., becoming the mainstream of display devices. However, the performance of current OLED display products needs to be improved.

[0078] In order to solve the above problems, embodiments of the present application provide a display panel and a display device. Various embodiments of the display panel and the display device will be described below in conjunction with the accompanying drawings.

[0079] Figure 1 1 is a partial cross-sectional view of a display panel 10 of some embodiments of the present application. The X direction in the figure is the thickness direction X of the display panel 10, the Y direction in the figure is the first direction, and the Z direction in the figure is the second direction, wherein the first direction Y, the second direction Z and the thickness direction X intersect each other.

[0080] An embodiment of the present application provides a display panel 10 , which may be an organic light emitting diode (OLED) display panel.

[0081] like Figure 1As shown, an embodiment of the first aspect of the present application provides a display panel 10, comprising: an array substrate 100; a first electrode layer 200, arranged on one side of the array substrate 100, comprising a first electrode 210; a touch electrode 220, arranged in the same layer as the first electrode 210; an insulating layer 12, arranged on one side of the array substrate 100, comprising a pixel defining portion 302 and a pixel opening 303 defined by the pixel defining portion 302, the orthographic projection of the first electrode 210 on the array substrate 100 and the orthographic projection of the pixel opening 303 on the array substrate 100 at least partially overlapping; a light-emitting layer 400, comprising a light-emitting portion 410 arranged on a side of the first electrode 210 away from the array substrate 100; and a conductive layer 11, wherein the conductive layer 11 is provided with through holes 11a, and at least part of the through holes 11a are located on the side of the touch electrode 220 away from the array substrate 100.

[0082] In a display panel 10 provided in an embodiment of the present application, the display panel 10 includes an array substrate 100, a first electrode layer 200, a touch electrode 220, an insulating layer 12, a light-emitting layer 400, and a conductive layer 11. The first electrode layer 200 is disposed on one side of the array substrate 100 and includes a first electrode 210. The insulating layer 12 is disposed on one side of the array substrate 100. The insulating layer 12 includes a pixel defining portion 302 and a pixel opening 303 defined by the pixel defining portion 302. The orthographic projection of the first electrode 210 on the array substrate 100 is at least partially overlapped with the orthographic projection of the pixel opening 303 on the array substrate 100. Specifically, it can be referred to that the orthographic projection of the first electrode 210 on the array substrate 100 can at least partially overlap with the orthographic projection of the wall of the pixel opening 303 enclosed by the insulating layer 12 on the array substrate 100. The first electrode 210 can be exposed by the pixel opening 303, and the pixel defining portion 302 can be used to divide the sub-pixels of the display panel 10. By arranging the touch electrode 220 and the first electrode 210 in the same layer, it is not necessary to arrange an additional layer structure to arrange the touch electrode 220, so that the display panel 10 can have a smaller thickness. In addition, the touch electrode 220 and the first electrode 210 are arranged in the same layer, so that the touch electrode 220 and the first electrode 210 can be prepared in the same process step, thereby simplifying the preparation process of the display panel 10 and improving the preparation efficiency of the display panel 10.

[0083] By opening a penetrating through hole 11a on the conductive layer 11, and arranging at least part of the through hole 11a on the side of the touch electrode 220 away from the array substrate 100, the capacitance generated by the touch electrode 220 can be better affected by the external conductor through the through hole 11a, that is, the conductive layer 11 is not easy to interfere with the capacitance generated by the touch electrode 220, so that the touch electrode 220 can realize touch operation, thereby better improving the touch reliability of the display panel 10.

[0084] Optionally, at least part of the light emitting portion 410 may be located in the pixel opening 303. The light emitting portion 410 may include a hole injection layer (HIL), a hole transport layer (HTL), a light emitting structure, an electron injection layer (EIL) and an electron transport layer (ETL).

[0085] Optionally, the conductive layer 11 may be disposed on a side of at least one of the light emitting portion 410 and the pixel defining portion 302 away from the array substrate 100. Optionally, the conductive layer 11 may include a second electrode layer 500, and the second electrode layer 500 may include a second electrode 510 located on a side of the light emitting portion 410 away from the first electrode 210.

[0086] In these optional embodiments, one of the first electrode 210 and the second electrode 510 is used as an anode and the other is used as a cathode to drive the light emitting portion 410 to emit light. In the embodiment of the present application, the first electrode 210 is used as the anode of the display panel 10 and the second electrode 510 is used as the cathode of the display panel 10 for illustration.

[0087] In some optional embodiments, the second electrode layer 500 may be provided with a through hole 11a so that the capacitance generated by the touch electrode 220 can be better affected by the external conductor through the through hole 11a, that is, the second electrode layer 500 is not easy to interfere with the capacitance generated by the touch electrode 220, so as to facilitate the touch electrode 220 to achieve touch operation.

[0088] In some optional embodiments, at least part of the pixel defining portion 302 is disposed between the first electrode 210 and the touch electrode 220 to prevent short circuit between the first electrode 210 and the touch electrode 220 , thereby improving the touch reliability of the display panel 10 .

[0089] Optionally, the first electrode 210 may be exposed from the pixel opening 303 , so as to facilitate the contact between the first electrode 210 and the light emitting portion 410 and drive the light emitting portion 410 to emit light.

[0090] Optionally, at least part of the pixel defining portion 302 is disposed on a side of the touch electrode 220 away from the array substrate 100 , so that the touch electrode 220 is unlikely to be short-circuited with the second electrode 510 , thereby improving the touch reliability of the display panel 10 .

[0091] Optionally, the orthographic projection of the touch electrode 220 on the array substrate 100 is located within the orthographic projection of the pixel defining portion 302 on the array substrate 100, so that the pixel defining portion 302 can be better covered on the side of the touch electrode 220 facing away from the array substrate 100, so as to reduce the interference of various devices of the sub-pixels in the display panel 10 on the operation of the touch electrode 220, thereby further improving the working reliability of the touch electrode 220.

[0092] In these optional embodiments, the insulating layer 12 may be disposed on the side of the first electrode layer 200 facing away from the array substrate 100 to serve as a pixel definition layer of the display panel 10, that is, at least a portion of the light-emitting portion 410 and the second electrode 510 may be located within the pixel opening, and at least a portion of the first electrode 210 may be exposed from the pixel opening to contact the light-emitting portion 410, thereby realizing the light-emitting display of the display panel 10.

[0093] In some embodiments of the present application, at least part of the through hole 11a is located on the side of the touch electrode 220 facing away from the array substrate 100, which may mean that the orthographic projection of the touch electrode 220 on the array substrate 100 may at least partially overlap with the orthographic projection of the through hole 11a on the array substrate 100. Specifically, it may mean that the orthographic projection of the touch electrode 220 on the array substrate 100 may at least partially overlap with the orthographic projection of the wall portion of the conductive layer 11 that encloses the through hole 11a on the array substrate 100, so that part of the capacitance of the touch electrode 220 is not easily shielded by the conductive layer 11 and passes through the through hole 11a, so as to be changed by the influence of an external conductor, thereby realizing the touch function of the display panel 10.

[0094] Figure 2 is a schematic diagram of a partial structure of a second electrode layer 500 according to an embodiment of the present application. Figure 3 It is a schematic diagram of a partial structure of a second electrode layer 500 according to another embodiment of the present application.

[0095] When the second electrode layer 500 is provided with through holes 11a, in some embodiments of the present application, the through holes 11a have various shapes and arrangements. Figure 2 As shown, the number of through holes 11a can be multiple, at least some of the through holes 11a are arranged at intervals, and / or, as shown in FIG. Figure 3 As shown, at least a portion of the through hole 11 a is disposed around at least a portion of the pixel opening 303 .

[0096] like Figure 2 As shown, when multiple through holes 11a are arranged at intervals, at least part of the second electrode 510 above some adjacent pixel openings 303 can be connected at a position between two adjacent through holes 11a, so that at least part of the second electrode 510 above some adjacent pixel openings 303 can be connected to each other to form a surface electrode, so as to facilitate the control of the second electrode 510.

[0097] like Figure 3 As shown, when the through hole 11a is arranged around at least a portion of the pixel opening 303, the through hole 11a can have a larger size, so as to further facilitate the capacitance generated by the touch electrode 220 to be better affected by the external conductor through the through hole 11a, thereby further improving the touch reliability of the display panel 10.

[0098] like Figure 3 As shown, in some optional embodiments, the display panel 10 may include at least two light-emitting subareas 10b, and at least part of the through holes 11a may be arranged around at least part of the light-emitting subareas 10b.

[0099] Optionally, the second electrodes 510 located in different light-emitting partitions 10b are spaced apart from each other at the through holes 11a to separate the second electrodes 510 in different light-emitting partitions 10b, so that the second electrodes 510 between different light-emitting partitions 10b can be insulated by the through holes 11a, thereby facilitating the partition control of the second electrodes 510, and further reducing the power consumption of the display panel 10.

[0100] In some embodiments of the present application, there are multiple ways to divide the light-emitting subarea 10b. Figure 3 As shown, the light-emitting partition 10b can be divided according to the setting position of each pixel opening 303. For example, some adjacent pixel openings 303 in a certain position area can be located in the same light-emitting partition 10b, so that the second electrode 510 at different positions on the display panel 10 can be independently controlled.

[0101] Optionally, the luminous parts 410 in the same luminous subarea 10b have the same luminous color, and / or the luminous parts 410 in adjacent luminous subareas 10b have different luminous colors. Since the power supply voltage signals required by the luminous parts 410 of different luminous colors are different, the luminous subareas 10b are divided according to the luminous colors of the luminous parts 410, so that the second electrodes 510 located on the side of the luminous parts 410 of the same luminous color away from the array substrate 100 can be connected to each other, and the second electrodes 510 located on the side of the luminous parts 410 of different luminous colors away from the array substrate 100 can be disconnected through the through holes 11a, so that the second electrodes 510 in each luminous color sub-pixel can be independently controlled, thereby effectively reducing the power consumption of the display panel 10.

[0102] Optionally, at least part of the through holes 11a are located in the light-emitting subarea 10b and are arranged at intervals, so that the capacitance of the touch electrodes 220 in the light-emitting subarea 10b can be better affected by the external conductor.

[0103] Optionally, the second electrodes 510 located in the same light emitting subarea 10 b may be electrically connected to each other, that is, the second electrodes 510 located in the same light emitting subarea 10 b may be electrically connected at a position between two adjacent through holes 11 a .

[0104] Optionally, the second electrodes 510 in the same light emitting subarea 10 b may be connected to the same power supply voltage signal line in the display panel 10 to achieve separate control of the second electrodes 510 in different light emitting subareas 10 b.

[0105] Optionally, the power supply voltage signal line may be a power supply voltage signal line with a negative voltage, for example, the power supply voltage signal line may be a VSS signal line, so that an electric field can be formed between the second electrode 510 and the first electrode, thereby driving the light-emitting portion to emit light.

[0106] Figure 4 It is a partial cross-sectional view of a display panel 10 according to another embodiment of the present application.

[0107] like Figure 4 As shown, in some optional embodiments, the display panel 10 further includes an isolation structure 300, the isolation structure 300 includes a conductive portion 301, the conductive portion 301 forms at least part of the conductive layer 11, that is, the conductive layer 11 may include the conductive portion 301. The second electrode 510 is connected to the conductive portion 301, and the conductive portion 301 is provided with a through hole 11a. Among them, the material of the conductive portion 301 may include a conductive material, and the second electrode 510 is connected to the conductive portion 301, so that the second electrode 510 can be connected to the power supply voltage signal line through the conductive portion 301 to reduce the resistance of the display panel 10, and also make at least part of the second electrodes 510 on the adjacent pixel openings 303 can be connected to each other through the conductive portion 301 to form a surface electrode.

[0108] like Figure 4 As shown, optionally, a through hole 11a is opened on the conductive part 301, and at least part of the through hole 11a is located on the side of the touch electrode 220 away from the array substrate 100, so that the capacitance generated by the touch electrode 220 can be better affected by the external conductor through the through hole 11a on the conductive part 301, that is, the isolation structure 301 above the touch electrode 220 is not easy to interfere with the capacitance generated by the touch electrode 220, so that the touch electrode 220 can realize touch operation, thereby better improving the touch reliability of the display panel 10.

[0109] Figure 5 is a partial structural diagram of an isolation structure 300 according to an embodiment of the present application. Figure 6 It is a schematic diagram of a partial structure of an isolation structure 300 according to another embodiment of the present application.

[0110] like Figure 5 and Figure 6As shown, optionally, the isolation structure 300 may be arranged around at least a portion of the pixel opening 303, and the isolation structure 300 may enclose an isolation opening 300a, wherein the isolation opening 300a is arranged corresponding to the pixel opening 303, the number of the second electrodes 510 is multiple, and the second electrodes 510 may be located in the isolation opening 300a and the pixel opening 303. By arranging the isolation structure 300 around at least a portion of the pixel opening 303, the isolation structure 300 may isolate the second electrode layer 500, and form a plurality of second electrodes 510 arranged at intervals, so that the isolation structure 301 may better surround the second electrode 510, and further reduce the resistance of the second electrode 510 when connected to the power supply voltage signal line through the conductive portion 301 of the isolation structure 300, and also enable at least part of the second electrodes 510 in adjacent isolation openings 300a to be connected to each other through the conductive portion 301 to form a surface electrode.

[0111] In some embodiments of the present application, the through holes 11a have various shapes and arrangements. Optionally, when the conductive portion 301 of the isolation structure 300 is provided with through holes 11a, Figure 5 As shown, the number of through holes 11a can be multiple, at least some of the through holes 11a are arranged at intervals, and / or, as shown in FIG. Figure 6 As shown, at least a portion of the through hole 11 a may be disposed around at least a portion of the pixel opening 303 .

[0112] like Figure 5 As shown, when at least some of the through holes 11a are arranged at intervals, the second electrodes 510 in at least some of the adjacent isolation openings 300a can be connected through the conductive portion 301 of the isolation structure 300 between two adjacent through holes 11a, so that the second electrodes 510 in at least some of the adjacent isolation openings 300a can be connected to each other to form a surface electrode, so as to facilitate the control of the second electrode 510.

[0113] like Figure 6 As shown, when at least part of the through hole 11a is arranged around at least part of the pixel opening 303, the through hole 11a can have a larger size, so as to further facilitate the capacitance generated by the touch electrode 220 to be better affected by the external conductor through the through hole 11a, thereby further improving the touch reliability of the display panel 10.

[0114] like Figure 6 As shown, optionally, at least part of the through holes 11 a may be arranged around at least part of the light-emitting subarea 10 b , so that the second electrodes 510 in different light-emitting subareas 10 b may be separated by the isolation effect of the through holes 11 a on the isolation structure 300 .

[0115] Optionally, the second electrodes 510 located in different light-emitting partitions 10b are spaced apart from each other at the through holes 11a, so that the second electrodes 510 between different light-emitting partitions 10b can be insulated by the through holes 11a, thereby facilitating the partition control of the second electrodes 510 and further reducing the power consumption of the display panel 10.

[0116] In these optional embodiments, there are multiple isolation structures 300, and the multiple isolation structures 300 can be arranged at intervals at the through hole 11a, and each isolation structure 300 can be respectively arranged in a different light-emitting partition 10b, so that the second electrodes 510 between different light-emitting partitions 10b can be connected through the isolation structures 300 in different light-emitting partitions 10b, and the second electrodes 510 between different light-emitting partitions 10b can be insulated from each other at the through hole 11a.

[0117] like Figure 6 As shown, optionally, at least part of the through holes 11a are located in the light-emitting subarea 10b and are spaced apart from each other, so that the capacitance of the touch electrode 220 in the light-emitting subarea 10b can be better affected by the external conductor.

[0118] Optionally, the second electrodes 510 in the same light-emitting subarea 10b are electrically connected to each other, so that the second electrodes 510 in different isolation openings 300a in the same light-emitting subarea 10b can be connected through the conductive portion 301 of the isolation structure 300 between two adjacent through holes 11a.

[0119] Figure 7 It is a partial cross-sectional view of a display panel 10 according to yet another embodiment of the present application.

[0120] like Figure 7 As shown, in some embodiments of the present application, the boundary division of the light-emitting subarea 10b may not be set according to the position of the touch electrode 220. For example, part of the through hole 11a may be located on a side of the pixel defining portion 302 not covered with the touch electrode 220 to improve the light transmittance of the display panel 10, and at least part of the boundary of the light-emitting subarea 10b may be located at a position where the touch electrode 220 is not provided, so as to facilitate the flexibility of the division of the light-emitting subarea 10b.

[0121] Optionally, the conductive portion 301 of the isolation structure 300 located in the same light-emitting partition 10b can be connected to the same power supply voltage signal line in the display panel 10, that is, the second electrode 510 located in the same light-emitting partition 10b can be connected to the same power supply voltage signal line in the display panel 10 through the conductive portion 301 to achieve separate control of the second electrode 510 in different light-emitting partitions 10b.

[0122] In some embodiments of the present application, there are multiple ways to connect the second electrode 510 and / or the conductive part 301 with the power voltage signal line. Optionally, the second electrode 510 and / or the conductive part 301 may be connected to the power voltage signal line through a via, wherein the touch electrode 220 may not be provided at the connection via, so that the connection between the second electrode 510 and / or the conductive part 301 and the power voltage signal line is not likely to interfere with the operation of the touch electrode 220.

[0123] In some optional embodiments, the isolation structure 300 may include an isolation portion 310, the isolation portion 310 having a first end 310a and a second end 310b relative to each other in the thickness direction X of the display panel 10, the first end 310a is located on the side of the second end 310b facing the array substrate 100, and the orthographic projection of the first end 310a on the array substrate 100 is located within the orthographic projection of the second end 310b on the array substrate 100.

[0124] Optionally, in the direction away from the array substrate 100, the distance between the surfaces of the isolation portion 310 toward the isolation opening 300a on both sides thereof may gradually increase so that the orthographic projection of the first end 310a of the isolation portion 310 on the array substrate 100 is located within the orthographic projection of the second end 310b of the isolation portion 310 on the array substrate 100.

[0125] In these optional embodiments, by setting the orthographic projection of the first end 310a of the isolation portion 310 on the array substrate 100 to be within the orthographic projection of the second end 310b of the isolation portion 310 on the array substrate 100, when the light-emitting layer 400 of the display panel 10 is evaporated, the second end 310b can block at least a portion of the material used to prepare the light-emitting layer 400 to separate the light-emitting layer 400 between adjacent sub-pixels, and can facilitate the formation of a plurality of spaced light-emitting portions 410, so that when the light-emitting layer 400 of the display panel 10 is evaporated, there is no need to set a mask with high precision, for example, when the light-emitting layer 400 is evaporated, there is no need to set a high-precision metal mask (Fine Metal Mask, FMM) to reduce the production cost of the display panel 10.

[0126] Optionally, the isolation portion 310 can be reused as at least a partial conductive portion 301 of the isolation structure 300. The isolation portion 310 can be provided with a through hole 11a. The material of the isolation portion 310 can include a conductive material. When the isolation portion 310 is conductive as a whole, the through hole 11a can be set through the isolation portion 310, so that the capacitance generated by the touch electrode 220 can be better affected by the external conductor through the through hole 11a, thereby further improving the touch reliability of the display panel 10.

[0127] Figure 8 It is a partial cross-sectional view of a display panel 10 according to another embodiment of the present application.

[0128] like Figure 8 As shown, in some optional embodiments, the isolation portion 310 includes a first isolation portion 311 and a second isolation portion 312 arranged on the side of the first isolation portion 311 facing away from the array substrate 100, the orthographic projection of the first isolation portion 311 on the array substrate 100 is located within the orthographic projection of the second isolation portion 312 on the array substrate 100, and at least a portion of the second isolation portion 312 may be arranged to protrude from the first isolation portion 311 toward the isolation opening 300a.

[0129] Optionally, the first end portion 310 a may be located at the first isolation portion 311 , and the second end portion 310 b may be located at the second isolation portion 312 .

[0130] By arranging at least a portion of the second isolation portion 312 to protrude from the first isolation portion 311 toward the isolation opening 300a, when the light-emitting layer 400 of the display panel 10 is evaporated, the second isolation portion 312 can better block at least a portion of the material used to prepare the light-emitting layer 400, so as to better isolate the light-emitting layer 400 between adjacent sub-pixels, thereby further facilitating the formation of a plurality of spaced light-emitting portions 410.

[0131] Optionally, when the material of the first isolation portion 311 includes a conductive material, the first isolation portion 311 can be reused as at least a partial conductive portion 301 of the isolation structure 300, and the first isolation portion 311 can be provided with a through hole 11a, wherein the through hole 11a can be arranged to penetrate the first isolation portion 311, so that the capacitance generated by the touch electrode 220 can be better affected by the external conductor through the through hole 11a, thereby further improving the touch reliability of the display panel 10.

[0132] Optionally, when the material of the second isolation portion 312 includes a conductive material, the second isolation portion 312 can be reused as at least part of the conductive portion 301 of the isolation structure 300, and the second isolation portion 312 can be provided with a through hole 11a, wherein the through hole 11a can be arranged through the second isolation portion 312, so that the capacitance generated by the touch electrode 220 can be better affected by the external conductor through the through hole 11a, thereby further improving the touch reliability of the display panel 10. For ease of description, the following embodiments can be described by taking the example that the materials of the first isolation portion 311 and the second isolation portion 312 both include conductive materials.

[0133] like Figure 8 As shown, in some optional embodiments, the isolation structure 300 further includes a connecting portion 320 located on the side of the isolation portion 310 facing the array substrate, and at least a portion of the connecting portion 320 protrudes from the isolation portion 310 toward the isolation opening 300 a and is connected to the second electrode 510 .

[0134] Optionally, the material of the connecting part 320 includes a conductive material, and the connecting part 320 can be reused as at least a portion of the conductive part 301 of the isolation structure 300. The connecting part 320 can be provided with a through hole 11a, wherein the through hole 11a can be set through the connecting part 320, so that the capacitance generated by the touch electrode 220 can be better affected by the external conductor through the through hole 11a, thereby further improving the touch reliability of the display panel 10.

[0135] In these optional embodiments, by providing a connecting portion 320 under the isolation portion 310 , the overlap between the second electrode 510 and the isolation structure 300 can be facilitated, and the overlap area between the second electrode 510 and the isolation structure 300 can be improved to further reduce the resistance of the display panel 10 .

[0136] In some optional embodiments, the material of the touch electrode 220 may be the same as that of the first electrode 210 , so that the touch electrode 220 can be prepared in the same process step and using the same processing equipment as the first electrode 210 , thereby simplifying the preparation process of the display panel 10 and improving the preparation efficiency of the display panel 10 .

[0137] In some embodiments of the present application, by setting the orthographic projection of the touch electrode 220 on the array substrate 100 to be within the orthographic projection of the isolation structure 300 on the array substrate 100, the touch electrode 220 can be used to raise the height of the isolation structure 300, so as to improve the effect of the isolation structure 300 on dividing the sub-pixels of the display panel 10. In addition, the isolation structure 300 can better divide the sub-pixels of the display panel 10 without setting an excessively high height, so that the display panel 10 can have a smaller thickness.

[0138] Fig. 9 It is a schematic diagram of a partial structure of a pixel defining portion 302 according to an embodiment of the present application.

[0139] like Figure 8 and Fig. 9 As shown, optionally, the pixel defining portion 302 may be in a grid shape, and the hollowed-out area in the grid-shaped pixel defining portion 302 may be a pixel opening 303. Optionally, the isolation structure 300 may be in a grid shape, and the hollowed-out area in the grid-shaped isolation structure 300 may be an isolation opening 300a.

[0140] There are many ways to set the size and arrangement shape of each pixel opening 303. Optionally, the size and arrangement shape of each pixel opening 303 can be set according to the luminous color of the luminous portion 410 in the pixel opening 303. For example, the pixel opening 303 may include a first opening 303a, a second opening 303b and a third opening 303c. The first opening 303a is provided with a luminous portion 410 for emitting blue light, the second opening 303b is provided with a luminous portion 410 for emitting red light, and the third opening 303c is provided with a luminous portion 410 for emitting green light. The setting area of ​​the first opening 303a may be larger than the setting areas of the second opening 303b and the third opening 303c. Optionally, the size and arrangement shape of each pixel opening 303 may also be set according to the pixel arrangement density requirement of the display panel 10.

[0141] Optionally, part of the pixel defining parts 302 may be extended along the first direction Y, and part of the pixel defining parts 302 may be extended along the second direction Z, so that the pixel defining parts 302 may be interwoven to form a mesh.

[0142] In some embodiments of the present application, the display panel 10 may be a display panel 10 that implements touch positioning based on a self-capacitive touch architecture, that is, the touch electrode 220 may be specifically used as an electrode for excitation and detection. When a finger as a conductor touches the display panel 10, the capacitance on the touch electrode 220 increases, so that identification and positioning can be performed through capacitance changes, thereby realizing touch display of the display panel 10.

[0143] For example, when a finger as a conductor touches the display panel 10, the touch electrode 220 will be affected by the finger to derive a portion of the charge, thereby causing a capacitance change. Wherein, Cp is the parasitic capacitance between the touch electrode 220 and the ground, and Cf is the inductive capacitance between the inductive electrode and the ground generated by the human body when the finger touches. When the finger as a conductor touches the display panel 10, it is equivalent to Cp and Cf being connected in parallel, so that the parasitic capacitance = Cp + Cf, that is, the parasitic capacitance increases, so that the recognition and positioning can be performed through the capacitance change, thereby realizing the touch display of the display panel 10.

[0144] By setting the touch electrode 220, it can be specifically used as an electrode for excitation and detection, that is, the display panel 10 is a display panel 10 that realizes touch positioning based on a self-capacitive touch architecture, so that there is no need to set corresponding driving electrodes for excitation and receiving electrodes for detection on the display panel 10, and only the touch electrode 220 needs to be set to realize the touch function of the display panel 10, so that there is no need to set too many layer structures to arrange the electrodes for the touch function, so that the display panel 10 can have a smaller thickness.

[0145] Fig.102 is a partial structural diagram of a sub-electrode 221 of an embodiment of the present application. In order to facilitate the display of the sub-electrode 221 and the touch area 10a in the figure, the spacing between adjacent touch areas 10a is enlarged to a certain extent in the figure, and the number of touch areas 10a is also reduced. Therefore, the figure only serves as a structural schematic, and it cannot represent the actual accurate structure of the display panel 10.

[0146] like Figure 8 and Fig.10 As shown, in some optional embodiments, the display panel 10 includes a plurality of touch regions 10 a , and the touch electrode 220 includes a plurality of sub-electrodes 221 , each sub-electrode 221 is disposed in a different touch region 10 a , and adjacent sub-electrodes 221 are disposed at intervals.

[0147] Optionally, the sub-electrode 221 is in a grid shape, and the sub-electrode 221 is disposed around at least a portion of the first electrode 210 . The first electrode 210 may be located in a hollow region of the grid-shaped sub-electrode 221 .

[0148] Optionally, the extension path of the sub-electrode 221 may be the same as the extension path of at least part of the pixel defining portion 302. For example, part of the sub-electrodes 221 may be extended along the first direction Y, and part of the sub-electrodes 221 may be extended along the second direction Z, so that the sub-electrodes 221 may be interwoven to form a mesh.

[0149] Optionally, a plurality of sub-electrodes 221 are arranged at intervals in the first direction Y and / or the second direction Z, so that the display panel 10 has relatively uniform and sufficient sub-electrodes 221 to realize the touch function.

[0150] In these optional embodiments, the sub-electrodes 221 are arranged in a grid shape so that the sub-electrodes 221 have a larger layout area and are less likely to interfere with the operation of the first electrode 210 , thereby improving the structural compactness of the display panel 10 and also improving the touch capability of the display panel 10 .

[0151] In some embodiments of the present application, there are multiple ways to arrange the relative positions of the isolation structure 300 and the pixel defining portion 302 , and there are multiple ways to arrange the corresponding sub-electrodes 221 .

[0152] In some optional embodiments, the isolation structure 300 may be disposed on a side of the pixel defining portion 302 away from the array substrate 100. Optionally, the touch electrode 220 may not be disposed between the pixel defining portion 302 between adjacent touch control areas 10a and the array substrate 100, that is, each sub-electrode 221 may be disconnected at the pixel defining portion 302 between adjacent touch control areas 10a.

[0153] Fig.11 It is a partial cross-sectional view of a display panel 10 according to yet another embodiment of the present application.

[0154] like Fig.11 As shown, in some optional embodiments, the pixel defining portion 302 may also be provided with a receiving groove 302a, and at least a portion of the isolation structure 300 may be located in the receiving groove 302a, so that the isolation structure 300 is less likely to have an excessively large height compared to the array substrate 100, thereby being able to better reduce the thickness of the display panel 10.

[0155] Fig.12 is a partially enlarged schematic diagram of a sub-electrode 221 of an embodiment of the present application, Fig.13 It is a partial cross-sectional view of a display panel 10 according to another embodiment of the present application.

[0156] like Fig.12 and Fig.13 As shown, optionally, the receiving groove 302a can be only provided between adjacent touch control areas 10a, and the touch control electrode 220 includes a plurality of sub-electrodes 221, each of which is provided in a different touch control area 10a, and adjacent sub-electrodes 221 are arranged at intervals at the receiving groove 302a, that is, the sub-electrodes 221 on both sides of the receiving groove 302a facing the isolation opening 300a can belong to different touch control areas 10a. The receiving groove 302a can be formed by the pixel defining portion 302 being sunken at the gap 221c between adjacent sub-electrodes 221.

[0157] like Fig.13 As shown, optionally, the pixel defining portion 302 may include a first insulating portion 302b and a second insulating portion 302c which are separately arranged on both sides of the accommodating groove 302a toward the isolation opening 300a, and at least a portion of the sub-electrode 221 is arranged between the first insulating portion 302b and the array substrate 100, and / or, at least a portion of the sub-electrode 221 is arranged between the second insulating portion 302c and the array substrate 100, so as to more fully utilize the layout area of ​​the pixel defining portion 302, so that the sub-electrode 221 can be separately arranged on both sides of the accommodating groove 302a toward the isolation opening 300a, so that the touch electrode 220 between the isolation structure 300 and the array substrate 100 can have a larger area for realizing the touch function of the display panel 10, thereby being able to better improve the touch capability of the display panel 10.

[0158] Optionally, part of the sub-electrodes 221 located between the first insulating portion 302b and the array substrate 100 is a first edge electrode 221a, and part of the sub-electrodes 221 located between the second insulating portion 302c and the array substrate 100 is a second edge electrode 221b. The first edge electrode 221a and the second edge electrode 221b may belong to different sub-electrodes 221 and to different touch control areas 10a. For example, the first edge electrode 221a and the non-edge electrode 221d surrounded by the first edge electrode 221a may constitute a complete sub-electrode 221, and the second edge electrode 221b and the non-edge electrode 221d surrounded by the second edge electrode 221b may constitute a complete sub-electrode 221. Optionally, the gap 221c between adjacent sub-electrodes 221 may be located between the first edge electrode 221a and the second edge electrode 221b.

[0159] like Fig.13 As shown, in some optional embodiments, the array substrate 100 may include a substrate 110 and a driving circuit 160 disposed on the substrate 110. Optionally, the array substrate 100 may include a first interlayer insulating layer 120, a second interlayer insulating layer 130, a third interlayer insulating layer 140, and a fourth interlayer insulating layer 150 that are stacked. Exemplarily, the driving circuit 160 may include a transistor 161, a storage capacitor 162, and a driving signal line for connecting various devices. The transistor 161 may include an active layer 161c, a source-drain conductive portion 161b located on the side of the active layer facing the first electrode, and a gate 161a located between the active layer 161c and the source-drain conductive portion 161b, wherein the source-drain conductive portion 161b may be directly connected to the active layer 161c, or the transistor 161 may further include a source-drain electrode 161d connected to the active layer 161c, and the source-drain conductive portion 161b may be connected to the source-drain electrode 161d through a via to achieve connection with the active layer 161c. The storage capacitor 162 may include a first plate 162a and a second plate 162b.

[0160] As an example, the gate 161a and the first electrode 162a may be located on the side of the first interlayer insulating layer 120 facing the substrate 110, and the second electrode 162b may be located between the first interlayer insulating layer 120 and the second interlayer insulating layer 130. When the source-drain conductive portion 161b is directly connected to the active layer 161c, the source-drain conductive portion 161b may be located between the second interlayer insulating layer 130 and the third interlayer insulating layer 140. When the source-drain conductive portion 161b is connected to the active layer 161c through the source-drain electrode 161d, the source-drain electrode 161d of the transistor may be located between the second interlayer insulating layer 130 and the third interlayer insulating layer 140, and the source-drain conductive portion 161b may be located between the third interlayer insulating layer 140 and the fourth interlayer insulating layer 140. For ease of description, the following embodiments are described by taking the example that the source-drain conductive portion 161b is connected to the active layer 161c through the source-drain electrode 161d.

[0161] Optionally, the array substrate 100 may include a plurality of touch signal lines 163, each of which is connected to each sub-electrode 221 through a via. The touch signal line 163 may be used to conduct a touch signal, for example, the touch signal line 163 may be used to transmit a touch drive signal to the sub-electrode 221, or to receive a touch detection signal from the sub-electrode 221, so as to realize the touch function of the display panel 10.

[0162] In some embodiments, the number of sub-electrodes 221 may be the same as the number of touch signal lines 163, that is, the touch signal of one sub-electrode 221 may be connected by only one touch signal line 163. In other embodiments, the number of touch signal lines 163 may be greater than the number of sub-electrodes 221, that is, the touch signal of one sub-electrode 221 may be connected by multiple touch signal lines 163, and the touch signal lines 163 connected to the same sub-electrode 221 may be connected in parallel to each other, thereby reducing the resistance when the touch signal is transmitted.

[0163] In the embodiment of the present application, the touch signal line 163 may be disposed in any layer structure between the transistor 161 and the touch electrode 220 in the array substrate 100 .

[0164] Optionally, the touch signal line 163 may be disposed in the same layer as the source-drain conductive portion 161 b . For example, the touch signal line 163 may be located between the third interlayer insulating layer 140 and the fourth interlayer insulating layer 150 .

[0165] The insulating layer 12 is optional, and the first electrode 210 can be connected to the active layer 161c of the transistor 161 through the source-drain conductive portion 161b. Optionally, the first electrode 210 and the source-drain conductive portion 161b are connected through a via.

[0166] Fig.142 is a schematic diagram of the connection between a sub-electrode 221 and a touch detection circuit 600 according to an embodiment of the present application. In order to facilitate the display of the sub-electrode 221 in the figure, the structure of each sub-electrode 211 is simplified to a block structure.

[0167] like Fig.14 As shown, optionally, at least a portion of the touch signal line 163 is extended along the first direction Y, and / or at least a portion of the touch signal line 163 is extended along the second direction Z.

[0168] In these optional embodiments, by setting the touch signal line 163 between the transistor 161 and the touch electrode 220, the layout of the touch signal line 163 is not easily interfered by the device arranged in the array substrate 100 for driving the display panel 10 to emit light and display, thereby improving the convenience of arranging the touch signal line 163 and making it less likely for the touch signal and the driving signal line to interfere with each other.

[0169] The embodiment of the second aspect of the present application provides a display device, and the display device includes the display panel 10 of any embodiment of the first aspect. Since the display device provided by the embodiment of the second aspect of the present application includes the display panel 10 of any embodiment of the first aspect, the display device provided by the embodiment of the second aspect of the present application has the beneficial effects of the display panel 10 of any embodiment of the first aspect, which will not be repeated here.

[0170] The display device in the embodiments of the present application includes but is not limited to mobile phones, personal digital assistants (PDAs), tablet computers, e-books, televisions, access control systems, smart landline phones, consoles, and other devices with display functions.

[0171] like Fig.14 As shown, in some optional embodiments, the display device may further include a touch detection circuit 600, and the sub-electrode 221 is connected to the touch detection circuit 600 via a touch signal line 163, and the touch detection circuit 600 is used to detect the capacitance between the sub-electrode 221 and the ground when the target body contacts the touch area 10a.

[0172] Optionally, the touch detection circuit 600 includes a signal generating module and a capacitance detection module, the signal generating module is used to provide a touch driving signal to the sub-electrode 221 , and the capacitance detection module is used to receive a touch detection signal transmitted from the sub-electrode 221 .

[0173] In these optional embodiments, the touch detection circuit 600 can obtain the capacitance change at each sub-electrode 221 through the touch signal line 163. For example, when a finger touches a touch area 10a of the display panel 10 as a conductor, the capacitance on the sub-electrode 221 of the touch area 10a increases, so that the touch detection circuit 600 can identify and locate the finger touch position by detecting the capacitance change of the sub-electrode 221 of the touch area 10a, thereby enabling the display device to realize the touch function.

[0174] According to the embodiments of the present application as above, these embodiments do not describe all the details in detail, nor do they limit the invention to specific embodiments. Obviously, many modifications and changes can be made based on the above description. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can make good use of the present application and the modifications based on the present application. The present application is only limited by the claims and their full scope and equivalents.

Claims

1. A display panel, It is characterized in that include: An array substrate; A first electrode layer, disposed on one side of the array substrate, comprising a first electrode; A touch electrode, arranged in the same layer as the first electrode; an insulating layer, disposed on one side of the array substrate, the insulating layer comprising a pixel defining portion and a pixel opening defined by the pixel defining portion, wherein an orthographic projection of the first electrode on the array substrate and an orthographic projection of the pixel opening on the array substrate are at least partially overlapped; a light-emitting layer, comprising a light-emitting portion disposed on a side of the first electrode away from the array substrate; The conductive layer is provided with through holes, and at least part of the through holes are located at a side of the touch electrode away from the array substrate.

2. The display panel according to claim 1, It is characterized in that The conductive layer includes a second electrode layer, the second electrode layer includes a second electrode located at a side of the light-emitting portion away from the first electrode, and the second electrode layer is provided with the through hole; Preferably, there are a plurality of through holes, at least some of which are arranged at intervals, and / or at least some of which are arranged around at least some of the pixel openings; Preferably, the display panel comprises at least two light-emitting subareas, and at least part of the through holes is arranged around at least part of the light-emitting subareas; Preferably, at least some of the through holes are located in the light-emitting subarea and are spaced apart from each other; Preferably, the light-emitting parts in the same light-emitting subarea have the same light-emitting color, and / or the light-emitting parts in adjacent light-emitting subareas have different light-emitting colors; Preferably, the second electrodes located in the same light-emitting subarea are electrically connected to each other, and the second electrodes located in different light-emitting subareas are spaced apart from each other at the through holes; Preferably, the second electrodes located in the same light-emitting subarea are connected to the same power supply voltage signal line in the display panel.

3. The display panel according to claim 1, It is characterized in that The display panel includes a second electrode layer and an isolation structure, the second electrode layer includes a second electrode located at a side of the light-emitting portion away from the first electrode, the isolation structure includes a conductive portion, the conductive portion forms at least a portion of the conductive layer, the second electrode is connected to the conductive portion, and the conductive portion is provided with the through hole; Preferably, there are a plurality of through holes, at least some of which are arranged at intervals, and / or at least some of which are arranged around at least some of the pixel openings; Preferably, the display panel comprises at least two light-emitting subareas, and at least part of the through holes is arranged around at least part of the light-emitting subareas; Preferably, at least some of the through holes are located in the light-emitting subarea and are spaced apart from each other; Preferably, the light-emitting parts in the same light-emitting subarea have the same light-emitting color, and / or the light-emitting parts in adjacent light-emitting subareas have different light-emitting colors; Preferably, the second electrodes located in the same light-emitting subarea are electrically connected to each other, and the second electrodes located in different light-emitting subareas are spaced apart from each other at the through holes; Preferably, the second electrodes located in the same light-emitting subarea are connected to the same power supply voltage signal line in the display panel; Preferably, there are a plurality of the isolation structures, and the plurality of the isolation structures are arranged at intervals at the through holes, and each of the isolation structures is arranged in a different light-emitting subarea.

4. The display panel according to claim 3, It is characterized in that The isolation structure encloses an isolation opening, the isolation structure comprises an isolation portion, the isolation portion has a first end portion and a second end portion opposite to each other in the thickness direction of the display panel, the first end portion is located at a side of the second end portion facing the array substrate, and an orthographic projection of the first end portion on the array substrate is located within an orthographic projection of the second end portion on the array substrate; Preferably, in a direction away from the array substrate, the distance between the surfaces of the isolation portion toward the isolation openings on both sides thereof gradually increases; Preferably, the isolation portion is reused as at least part of the conductive portion of the isolation structure, and the isolation portion is provided with the through hole; Preferably, the isolation portion includes a first isolation portion and a second isolation portion provided on a side of the first isolation portion away from the array substrate, an orthographic projection of the first isolation portion on the array substrate is located within an orthographic projection of the second isolation portion on the array substrate, and at least a portion of the second isolation portion is provided to protrude from the first isolation portion toward the isolation opening; Preferably, the first isolation portion is reused as at least part of the conductive portion of the isolation structure, and the first isolation portion is provided with the through hole, and / or the second isolation portion is reused as at least part of the conductive portion of the isolation structure, and the second isolation portion is provided with the through hole; Preferably, the isolation structure further comprises a connecting portion located on a side of the isolation portion facing the array substrate, and at least a portion of the connecting portion protrudes out of the isolation portion in a direction toward the isolation opening and is connected to the second electrode; Preferably, the connecting portion is reused as at least a part of the conductive portion of the isolation structure, and the through hole is provided through the connecting portion.

5. The display panel according to claim 1, It is characterized in that The conductive layer is disposed on a side of at least one of the light emitting portion and the pixel defining portion away from the array substrate; Preferably, the first electrode is exposed from the pixel opening; Preferably, at least part of the pixel defining portion is arranged on a side of the touch electrode away from the array substrate; Preferably, the orthographic projection of the touch electrode on the array substrate is located within the orthographic projection of the pixel defining portion on the array substrate; Preferably, the display panel includes an isolation structure, the isolation structure includes a conductive part, the conductive part forms at least a part of the conductive layer, the isolation structure is arranged on a side of the pixel defining part away from the array substrate, and / or the pixel defining part is provided with a receiving groove, and at least a part of the isolation structure is located in the receiving groove.

6. The display panel according to claim 1, It is characterized in that The display panel has a plurality of touch control areas, the touch control electrode includes a plurality of sub-electrodes, each of the sub-electrodes is disposed in a different touch control area, and adjacent sub-electrodes are disposed at intervals; Preferably, the pixel defining portion is in a grid shape; Preferably, the sub-electrodes are in a grid shape, and the sub-electrodes are arranged around at least a portion of the first electrode; Preferably, the plurality of sub-electrodes are arranged at intervals in a first direction and / or a second direction, wherein the first direction intersects with the second direction.

7. The display panel according to claim 6, It is characterized in that The array substrate comprises a plurality of touch signal lines, each of the touch signal lines being connected to each of the sub-electrodes through a via hole; Preferably, the array substrate further includes a transistor, the transistor includes an active layer and a source-drain conductive portion located on a side of the active layer facing the first electrode, the first electrode is connected to the active layer of the transistor through the source-drain conductive portion, and the touch signal line is arranged in the same layer as the source-drain conductive portion; Preferably, the transistor further comprises a gate located between the active layer and the source-drain conductive portion; Preferably, the source-drain conductive portion is connected to the active layer through a via hole, and the first electrode is connected to the source-drain conductive portion through a via hole; Preferably, at least part of the touch signal lines are formed by extending along a first direction, and / or at least part of the touch signal lines are formed by extending along a second direction.

8. The display panel according to any one of claims 1 to 7, It is characterized in that The orthographic projection of the touch electrode on the array substrate and the orthographic projection of the through hole on the array substrate are at least partially overlapped.

9. A display device, It is characterized in that Comprising the display panel as claimed in any one of claims 1 to 8.

10. The display device according to claim 9, It is characterized in that The display panel has a plurality of touch control areas, the touch control electrode includes a plurality of sub-electrodes, each of the sub-electrodes is disposed in a different touch control area, and adjacent sub-electrodes are spaced apart, and the display panel further includes a touch control signal line. The display device further includes a touch detection circuit, the sub-electrode is connected to the touch detection circuit via the touch signal line, and the touch detection circuit is used to detect the capacitance between the sub-electrode and the ground when the target body contacts the touch area; Preferably, the touch detection circuit comprises a signal generating module and a capacitance detection module, the signal generating module is used to provide a touch driving signal to the sub-electrode, and the capacitance detection module is used to receive a touch detection signal transmitted from the sub-electrode.

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