Display panel and display equipment

Abstract

The embodiment of the invention discloses a display panel and a display device, the display panel comprises a touch control device layer, the touch control device layer comprises a first touch control electrode and a second touch control electrode, and the first touch control electrode comprises a first sub-electrode, a second sub-electrode and a first connecting electrode. The display panel comprises a display area and a buffer area, the buffer area is configured to be a non-display area, the buffer area is arranged around the periphery of the opening, and the display area is arranged on at least one side, away from the opening, of the buffer area; in the display panel under an overlook view angle, the first sub-electrode and the second sub-electrode are disconnected in the buffer area, the first sub-electrode and the second sub-electrode are located in the display area, and the first connecting electrode is arranged outside the buffer area. According to the display panel and the display equipment provided by the embodiment of the invention, the first connecting electrode is arranged outside the buffer area, so that the touch device layer can normally work near the opening area, and the risk that the touch performance is influenced is reduced.

Description

Technical Field

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

[0002] Capacitive touch screens are widely used in various electronic interactive scene devices due to their high durability, long life, and support for multi-touch functions. At present, for organic light-emitting displays, a touch layer is usually formed on the organic light-emitting panel. When the hole is dug as a whole, the touch electrode will be dug out, causing the touch electrodes on the opposite sides of the hole to be disconnected. At this time, metal rings are usually set around the hole to connect the main roads on the opposite sides. If the hole is affected by external force, the metal ring is likely to break or peel off, causing the remaining serial tail node to be disconnected and not report the point. The touch will be disconnected or randomly jump in this area. Summary of the invention

[0003] The embodiments of the present application provide a display panel and a display device, which can reduce the risk of the touch performance being affected when the opening area is affected by external force.

[0004] An embodiment of the present application provides a display panel having an opening, wherein the display panel includes:

[0005] A display substrate, the opening at least passing through a portion of the display substrate; and

[0006] a touch device layer, arranged on the display substrate, wherein the opening also penetrates the touch device layer, wherein the touch device layer comprises a first touch electrode and a second touch electrode, wherein the first touch electrode and the second touch electrode are insulated from each other, wherein a plurality of the first touch electrodes extend along a first direction, and a plurality of the second touch electrodes extend along a second direction, wherein the first direction and the second direction intersect; wherein the first touch electrode comprises a first sub-electrode, a second sub-electrode and a first connecting electrode, wherein in the first direction, the first sub-electrode and the second sub-electrode are disconnected from each other, the first sub-electrode is located at one side of the opening, the second sub-electrode is located at the other side of the opening, and the first connecting electrode connects the first sub-electrode and the second sub-electrode;

[0007] The display panel includes a display area and a buffer area, the buffer area is configured as a non-display area, the buffer area is arranged around the periphery of the opening, and the display area is arranged on at least one side of the buffer area away from the opening; in the display panel under a top-down perspective, the first sub-electrode and the second sub-electrode are disconnected in the buffer area, the first sub-electrode and the second sub-electrode are located in the display area, and the first connecting electrode is arranged outside the buffer area.

[0008] Optionally, in some embodiments of the present application, the first connecting electrode is provided in the display area.

[0009] Optionally, in some embodiments of the present application, the first sub-electrode, the second sub-electrode and the second touch electrode are arranged in the same layer, and the first connecting electrode and the second touch electrode are arranged in different layers; the first sub-electrode, the second sub-electrode and the second touch electrode are all formed by cross-connecting a plurality of grid lines, and the first connecting electrode is formed by cross-connecting a plurality of first routing lines, and in the display panel under a top-down perspective, the first routing line of the first connecting electrode is arranged to overlap with the grid line.

[0010] Optionally, in some embodiments of the present application, the second touch electrode includes a third sub-electrode, a second connecting electrode and a fourth sub-electrode arranged in the same layer, in the second direction, the third sub-electrode is located on one side of the opening, the fourth sub-electrode is located on the other side of the opening, the second connecting electrode is arranged in the display area, and the second connecting electrode is extended along the periphery of the buffer area and connects the third sub-electrode and the fourth sub-electrode;

[0011] The shortest distance from the second connecting electrode to the side wall of the opening is greater than or equal to 500 micrometers.

[0012] Optionally, in some embodiments of the present application, the second connection electrode is formed by cross-connecting a plurality of second wirings.

[0013] Optionally, in some embodiments of the present application, the second touch electrode also includes an auxiliary routing line extending along the periphery of the opening, the auxiliary routing line is arranged on one side of the buffer zone close to the second connecting electrode, and one of the auxiliary routing lines is connected to multiple second routing lines of the second connecting electrode.

[0014] Optionally, in some embodiments of the present application, the auxiliary routing line is a solid line, and the width of the auxiliary routing line is greater than the width of the grid line.

[0015] Optionally, in some embodiments of the present application, a redundant electrode is arranged between the second connecting electrode and the first touch electrode.

[0016] Optionally, in some embodiments of the present application, the second connecting electrode extends along the peripheral direction of the opening to form a ring structure, the first sub-electrode includes a first trunk and a first extension portion, the second sub-electrode includes a second trunk and a second extension portion, the first trunk and the second trunk extend along the first direction and are disconnected at the second connecting electrode, the first trunk is located on one side of the second connecting electrode, the second trunk is located on the other side of the second connecting electrode, the first extension portion is connected to a side of the first trunk close to the second trunk and is located on a side of the second connecting electrode away from the opening, and the second extension portion is connected to a side of the second trunk close to the first trunk and is located on a side of the second connecting electrode away from the opening;

[0017] The first extension portion and the second extension portion are disposed opposite to each other and spaced apart from each other, and the first connection electrode connects the first extension portion and the second extension portion.

[0018] Optionally, in some embodiments of the present application, in the first direction, the length of the first connecting electrode is smaller than the radius of the opening.

[0019] Optionally, in some embodiments of the present application, the display panel further includes a border area, the border area is arranged on at least one side of the display area away from the buffer area, and the first connecting electrode is arranged in the border area.

[0020] Optionally, in some embodiments of the present application, the first sub-electrode and the second sub-electrode are formed by cross-connecting a plurality of grid lines, the first connecting electrode located in the border area is a solid line, and the width of the first connecting electrode located in the border area is greater than the width of the grid line.

[0021] Optionally, in some embodiments of the present application, the first sub-electrode, the second sub-electrode and the first connecting electrode located in the border area are arranged in the same layer.

[0022] Optionally, in some embodiments of the present application, a minimum distance from a boundary line between the buffer zone and the opening to a boundary line between the buffer zone and the display area is greater than or equal to 500 micrometers.

[0023] Optionally, in some embodiments of the present application, the display panel further includes a detection circuit that is in the same layer as the first sub-electrode and is insulated, the detection circuit includes two test traces and a resistance trace that are arranged side by side, the test trace extends from the border area to the buffer area, the resistance trace is arranged in the buffer area and extends along the periphery of the opening, the resistance trace is located on a side of the buffer area close to the opening, and the two test traces are connected to the resistance trace;

[0024] The first sub-electrode is disconnected at the test line and is arranged into a first part and a second part, wherein in the first direction, the first part is arranged at one side of the test line, and the second part is arranged at the other side of the test line;

[0025] The first touch electrode further includes a third connection electrode disposed in a different layer from the test trace, and the third connection electrode connects the first portion and the second portion.

[0026] Optionally, in some embodiments of the present application, the third connecting electrode is disposed in at least one of the border area and the display area, and the third connecting electrode is disposed outside the buffer area.

[0027] On the other hand, an embodiment of the present application further provides a display device, which includes a display panel as described in any one of the above embodiments.

[0028] The display panel and display device of the embodiment of the present application include a touch device layer, the touch device layer includes a first touch electrode and a second touch electrode, a first touch electrode includes a first sub-electrode, a second sub-electrode and a first connecting electrode, in a first direction, the first sub-electrode and the second sub-electrode are disconnected, and the first sub-electrode is located on one side of the opening. The display panel includes a display area and a buffer area, the buffer area is configured as a non-display area, the buffer area is arranged around the periphery of the opening, and the display area is arranged on at least one side of the buffer area away from the opening; in the display panel under a top-down perspective, the first sub-electrode and the second sub-electrode are disconnected in the buffer area, the first sub-electrode and the second sub-electrode are located in the display area, and the first connecting electrode is arranged outside the buffer area.

[0029] The display panel and display device of the embodiments of the present application arrange the first connecting electrode outside the buffer zone. When the opening area is cracked or peeled off due to external force, the first connecting electrode is arranged outside the buffer zone and is far away from the opening area. Therefore, the first connecting electrode is less affected or not affected. This allows the touch device layer to work normally near the opening area, reducing the risk of the touch performance being affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic top plan view of a display panel provided in an embodiment of the present application;

[0031] Figure 2 is a schematic cross-sectional plan view of a display panel provided in an embodiment of the present application;

[0032] Figure 3 yes Figure 1 A magnified schematic diagram of the middle M part;

[0033] Figure 4 yes Figure 1 An enlarged schematic diagram of the N portion;

[0034] Figure 5 yes Figure 4 An enlarged schematic diagram of the J1 part;

[0035] Figure 6 yes Figure 4 An enlarged schematic diagram of the J2 portion;

[0036] Figure 7 yes Figure 4 An enlarged schematic diagram of the J3 portion;

[0037] Figure 8 is another schematic top view of an area near a buffer zone in a display panel provided by an embodiment of the present application;

[0038] Fig. 9 yes Figure 1 Another enlarged schematic diagram of the N part;

[0039] Fig.10 yes Fig. 9 A partial plan view of a first touch electrode;

[0040] Fig.11 yes Figure 1 Another enlarged schematic diagram of the N part;

[0041] Fig.12 yes Fig.11 A partial plan view of a first touch electrode;

[0042] Fig.13 It is a schematic diagram of a display device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, the various embodiments can be combined with each other but will not be repeated one by one, and in the absence of contrary instructions, the directional words used, such as "upper" and "lower", usually refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the drawings; while "inside" and "outside" refer to the outline of the device; the terms "first", "second", "third", etc. are used only as markings, and no numerical requirements are imposed or order is established.

[0044] The embodiments of the present application provide a display panel and a display device, which are described in detail below. It should be noted that the description order of the following embodiments is not intended to limit the preferred order of the embodiments.

[0045] exist Figure 1 and Figure 2 , the first direction F1 may be a direction parallel to one side of the display panel 100 in a plan view, and may be, for example, a transverse direction of the display panel 100. The second direction F2 may be a direction parallel to the other side of the display panel 100 in a plan view, and may be a longitudinal direction of the display panel 100. The third direction F3 may be a thickness direction of the display panel 100.

[0046] In some embodiments, the first direction F1 may also be non-perpendicular to the second direction F2.

[0047] Please refer to Figure 1 , the display panel 100 includes a display area DA, a buffer area HA, and a bezel area NA. In a plan view, the shape of the display area DA may correspond to the shape of the display panel 100. For example, in the case where the display panel 100 has a rectangular shape in a plan view, the display area DA may also have a rectangular shape.

[0048] The display area DA may be an area including pixels for displaying an image. The pixels may be arranged in a matrix or in other ways, such as a diamond arrangement. The pixels may have a rectangular shape, a diamond shape, or a square shape in a plan view, but the embodiment is not limited thereto.

[0049] The buffer area HA and the border area NA are respectively configured as non-display areas, which are areas that do not include pixels and thus do not display images, or areas that include redundant pixels and thus do not display images.

[0050] The buffer area HA is arranged around the outer periphery of the opening 10a, and the display area DA is arranged on at least one side of the buffer area HA away from the opening 10a. The frame area NA is arranged on at least one side of the display area DA away from the buffer area HA. Figure 1 As shown, the buffer area HA surrounds the opening 10a. The display area AA surrounds the buffer area HA. ​​The frame area NA surrounds the display area AA. However, the embodiment is not limited thereto. For example, when the buffer area HA is connected to the frame area NA, the buffer area HA may partially surround the opening 10a, and the display area AA may partially surround the opening 10a.

[0051] The embodiment of the present application provides a display panel 100 , which is provided with an opening 10 a . The display panel 100 includes a display substrate 11 and a touch device layer 12 . The touch device layer 12 is disposed on the display substrate 11 .

[0052] The opening 10a at least penetrates a portion of the display substrate 11. The opening 10a also penetrates the touch device layer 12. It can be understood that the opening 10a can penetrate a portion of the display substrate 11, or can also penetrate the entire display substrate 11.

[0053] Optionally, the display substrate 11 may be an organic light-emitting display substrate, an inorganic electroluminescent display substrate, a quantum dot light-emitting display substrate, a micro-LED display substrate, a nano-LED display substrate, a field emission display substrate or an electrophoretic display substrate. Figure 2 The display substrate 11 is taken as an organic light emitting display substrate for illustration.

[0054] exist Figure 2 In the embodiment, the display substrate 11 includes a substrate 111, a thin film transistor array layer 112, a light emitting device layer 113 and an encapsulation layer 114 which are stacked in sequence.

[0055] Optionally, the thin film transistor array layer 112 includes scan lines, data lines, thin film transistors t1 and capacitors, etc. The embodiment of the present application does not limit the structure of the thin film transistor t1 as long as it can meet the display function.

[0056] The light emitting device layer 113 includes a plurality of light emitting devices 11p, each of which serves as a pixel. The light emitting device 11p includes a first electrode p1, an organic light emitting layer p2, and a second electrode p3 which are sequentially stacked.

[0057] Optionally, one of the first electrode p1 and the second electrode p3 is an anode, and the other is a cathode. Figure 2 The first electrode p1 is used as an anode and the second electrode p3 is used as a cathode. The organic light-emitting layer p2 is formed by a plurality of layers including one or more emission layers, a hole injection layer, a hole transport layer, an electron transport layer, and an electron injection layer. When the organic light-emitting layer p2 includes all of the above layers, the hole injection layer may be located on the first electrode p1, and the hole transport layer, the emission layer, the electron transport layer, and the electron injection layer may be sequentially laminated on the hole injection layer.

[0058] Alternatively, the encapsulation layer 114 may be formed by alternately laminating one or more organic layers and one or more inorganic layers. A plurality of inorganic layers or organic layers may be provided. For example, the encapsulation layer 114 may be a stacked structure of an inorganic layer, an organic layer, and an inorganic layer.

[0059] Optionally, the touch device layer 12 includes a bridge 123, a first touch electrode 121 and a second touch electrode 122. The first touch electrode 121 and the second touch electrode 122 are insulated from each other. A plurality of first touch electrodes 121 extend along a first direction F1, and a plurality of second touch electrodes 122 extend along a second direction F2. The first direction F1 and the second direction F2 intersect.

[0060] The touch device layer 12 may include a first conductive layer 1a, a first touch insulating layer 1b, a second conductive layer 1c, and a second touch insulating layer 1d. The first conductive layer 1a may be directly disposed on the encapsulation layer 114. Each of the first conductive layer 1a and the second conductive layer 1c may have a single-layer structure or a multi-layer structure in which a plurality of layers are stacked in the third direction F3.

[0061] Optionally, the first touch electrode 121 may be formed on one of the first conductive layer 1a and the second conductive layer 1c, and the second touch electrode 122 may be formed on the other of the first conductive layer 1a and the second conductive layer 1c. Alternatively, the first touch electrode 121 and the second touch electrode 122 may be formed on the first conductive layer 1a, and the bridge 123 may be formed on the second conductive layer 1c. Figure 2 As shown, the following is described by taking an example in which the first touch electrode 121 and the second touch electrode 122 are both formed in the second conductive layer 1c and the bridge 123 is formed in the first conductive layer 1a.

[0062] At the intersection of the first touch electrode 121 and the second touch electrode 122 , the first touch electrode 121 is connected via a bridge 123 .

[0063] Secondly, please refer to Figure 3 In the display area DA, each of the first touch electrodes 121 and each of the second touch electrodes 122 may have a grid shape defined with a plurality of touch openings, and each of the touch openings corresponds to one light emitting device 11p.

[0064] The first touch electrode 121 and the second touch electrode 122 located in the display area DA are formed by a plurality of grid lines 12a that are cross-connected. The grid lines 12a are arranged between two adjacent light emitting devices 11p.

[0065] It should be noted that one of the first touch electrode 121 and the second touch electrode 122 is a sensing electrode, and the other is a driving electrode. For example, if the first touch electrode 121 is a sensing electrode, the second touch electrode 122 is a driving electrode; for another example, if the first touch electrode 121 is a driving electrode, the second touch electrode 122 is a sensing electrode.

[0066] Please refer to Figure 4 and Figure 5 , a first touch electrode 121 includes a first sub-electrode 211, a second sub-electrode 212 and a first connecting electrode 213. In the first direction F1, the first sub-electrode 211 and the second sub-electrode 212 are disconnected, the first sub-electrode 211 is located on one side of the opening 10a, and the second sub-electrode 212 is located on the other side of the opening 10a. The first connecting electrode 213 connects the first sub-electrode 211 and the second sub-electrode 212.

[0067] In the display panel 100 in a top view, the first sub-electrode 211 and the second sub-electrode 212 are separated in the buffer area HA, the first sub-electrode 211 and the second sub-electrode 212 are located in the display area DA, and the first connection electrode 213 is disposed outside the buffer area HA.

[0068] It can be understood that the first sub-electrode 211 and the second sub-electrode 212 are located in the display area DA, that is, the first sub-electrode 211 and the second sub-electrode 212 do not extend into the buffer area HA, so that the first sub-electrode 211 and the second sub-electrode 212 are less affected by the opening 10a area or are not affected by it.

[0069] The display panel 100 of the embodiment of the present application arranges the first connecting electrode 213 outside the buffer zone HA. When the opening 10a area is subjected to external force (such as cleaning or cutting) and cracks or peels off, the first connecting electrode 213 is arranged outside the buffer zone HA and is far away from the opening 10a area. Therefore, the first connecting electrode 213 is less affected or not affected, thereby reducing the risk of the first connecting electrode 213 breaking or peeling off, so that the touch device layer 12 can work normally near the opening 10a area, reducing the risk of the touch performance being affected.

[0070] Secondly, since the first connecting electrode 213 is arranged outside the buffer zone HA, it is far away from the opening 10a area, so that when the hole digging process (the step of forming the opening 10a) is performed, the first connecting electrode 213 is less affected or not affected, so that the capacitance value of the touch node capacitor near the opening 10a area is basically unaffected, thereby improving the yield.

[0071] In addition, it should be noted that the prior art sets the touch connection line (equivalent to the first connection electrode 213) in the buffer zone. Since the data line is arranged around the opening near the opening area, the data line has a greater interference with the touch connection line, which easily leads to distortion and false alarm of the touch position. The present application sets the first connection electrode 213 outside the buffer zone HA, which can reduce the interference of the winding data line on the first connection electrode 213, thereby improving the accuracy and precision of the touch point reporting.

[0072] In some embodiments of the present application, a minimum distance L1 from a boundary line between the buffer area HA and the opening 10 a to a boundary line between the buffer area HA and the display area DA is greater than or equal to 500 micrometers.

[0073] It is understandable that the larger the range of the buffer zone HA is, the farther the first touch electrode 121 and the second touch electrode 122 are from the opening 10a, and the smaller the impact of the external force applied to the opening 10a region is on the first touch electrode 121 and the second touch electrode 122. Therefore, the minimum distance L1 is set to be greater than or equal to 500 microns to better reduce the impact of the opening 10a region on the first connection electrode 213 and the first touch electrode 121 and the second touch electrode 122.

[0074] Optionally, the minimum distance L1 from the boundary line between the buffer area HA and the opening 10a to the boundary line between the buffer area HA and the display area DA may be 500 microns, 550 microns, 600 microns, 650 microns, 700 microns, 750 microns, 800 microns, 850 microns, 900 microns, 950 microns or 1000 microns, etc.

[0075] In some embodiments, the minimum distance L1 between the boundary line between the buffer area HA and the opening 10 a and the boundary line between the buffer area HA and the display area DA is less than or equal to 800 micrometers to prevent the display area DA from being too small.

[0076] Please refer to Figure 4 and Figure 5 , Figure 5 It mainly shows the connection schematic diagram of the first connection electrode 213. In some embodiments of the present application, the first connection electrode 213 is disposed in the border area NA.

[0077] It can be understood that disposing the first connection electrode 213 in the border area NA can keep it away from interference with the opening 10 a area during operation to the greatest extent.

[0078] In some embodiments of the present application, the first sub-electrode 211 and the second sub-electrode 212 are formed by a plurality of grid lines 12a cross-connected. The first connection electrode 213 located in the frame area NA is a solid line. The width k1 of the first connection electrode 213 located in the frame area NA is greater than the width k2 of the grid line 12a.

[0079] It is understandable that the first connection electrode 213 adopts a solid line (non-grid structure), which increases the effective area of ​​the first connection electrode 213 and thus reduces the impedance of the first touch electrode 121. Secondly, the first connection electrode 213 has a larger width k1, which can further reduce the impedance of the first touch electrode 121.

[0080] In some embodiments of the present application, the first sub-electrode 211 , the second sub-electrode 212 , and the first connection electrode 213 located in the border area NA are arranged in the same layer.

[0081] It is understandable that the first connection electrode 213 is also formed on the second conductive layer 1c, so that the first connection electrode 213 can directly connect the first sub-electrode 211 and the second sub-electrode 212 without connecting through vias, thereby further reducing impedance.

[0082] Of course, in some embodiments, the first connection electrode 213 may also form the first conductive layer 1 a and connect the first sub-electrode 211 and the second sub-electrode 212 through a via hole.

[0083] In some embodiments of the present application, the display panel 100 further includes a detection circuit 14 which is insulated from the first sub-electrode 211 and is disposed in the same layer. The detection circuit 14 includes two test traces 141 and a resistance trace 142 disposed side by side. The test trace 141 extends from the border area NA to the buffer area HA, and the resistance trace 142 is disposed in the buffer area HA and extends along the periphery of the opening 10a. The resistance trace 142 is located on a side of the buffer area HA close to the opening 10a, and the two test traces 141 are connected to the resistance trace 142.

[0084] The first sub-electrode 211 is disconnected at the test line 141 to form a first portion 21a and a second portion 21b. In the first direction F1, the first portion 21a is disposed on one side of the test line 141, and the second portion 21b is disposed on the other side of the test line 141.

[0085] The first touch electrode 121 further includes a third connection electrode 214 disposed in a different layer from the test trace 141 , and the third connection electrode 214 connects the first portion 21 a and the second portion 21 b .

[0086] It is understandable that the detection circuit 14 is configured to detect whether the portion of the second conductive layer 1c located near the opening 10a region is cracked or peeled off. For example, if the resistance value actually measured by the detection circuit 14 is greater than the threshold value, it means that the resistance trace 142 is broken, and then the second conductive layer 1c is at risk of cracking or peeling off in the opening 10a region.

[0087] In some embodiments of the present application, a third connection electrode 214 is disposed in at least one of the border area NA and the display area DA, and the third connection electrode 214 is disposed outside the buffer area HA.

[0088] It is understood that the third connection electrode 214 is formed on the first conductive layer 1a. The third connection electrode 214 can be provided only in the frame area NA; or, the third connection electrode 214 can be provided only in the display area DA; or, the third connection electrode 214 can be provided in the display area DA and the frame area NA.

[0089] Figure 6 The main figure shows the connection diagram of the third connection electrode 214. Figure 6As shown, the embodiment of the present application is described by taking the third connection electrode 214 being disposed in the display area DA and the frame area NA as an example.

[0090] It should be understood that the third connection electrode 214 is formed on the first conductive layer 1a. Since the first sub-electrode 211 is disconnected by the test trace 141, the effective touch area of ​​the first sub-electrode 211 is reduced, and the impedance of this area is relatively large.

[0091] The third connection electrode 214 in the frame area NA connects the first portion 21a and the second portion 21b through the first via hole h1. The third connection electrode 214 in the frame area NA is a solid line, and a width k3 of the third connection electrode 214 in the frame area NA is greater than a width k2 of the grid line 12a.

[0092] It is understandable that the third connection electrode 214 is a solid line, which increases the effective area of ​​the third connection electrode 214, thereby reducing the impedance of the first sub-electrode 211 to balance the impedance of the first touch electrode 121. Secondly, the third connection electrode 214 has a larger width k3, which can further reduce the impedance of the first sub-electrode 211.

[0093] The third connection electrode 214 located in the display area AA is formed by cross-connecting a plurality of third wirings 21v. In the display panel 100 in a top view, the third wirings 21v of the first connection electrode 213 overlap with the grid lines 12a to improve light transmittance.

[0094] The third connection electrode 214 located in the display area AA is connected to the first portion 21 a and the second portion 21 b through the second via hole h2 .

[0095] Optionally, the test line 141 is also formed by cross-connecting a plurality of grid lines 12a, and the grid line 12a of the test line 141 is also arranged between two adjacent light-emitting devices 11p. Optionally, a redundant grid 143 is also arranged between the two test lines 141. The third line 21v is arranged to overlap with the grid line 12a of the test line 141 and the redundant grid 143.

[0096] Optionally, according to the impedance requirement of the first sub-electrode 211 , a plurality of third connecting electrodes 214 may be provided in the display area AA.

[0097] Figure 7 It mainly shows a partial schematic plan view of the second touch electrode 122 near the buffer area HA.

[0098] Please refer to Figure 7In some embodiments of the present application, the second touch electrode 122 includes a third sub-electrode 221, a second connection electrode 222, and a fourth sub-electrode 223 disposed in the same layer. In the second direction F2, the third sub-electrode 221 is located on one side of the opening 10a, and the fourth sub-electrode 223 is located on the other side of the opening 10a. The second connection electrode 222 is disposed in the display area DA, and the second connection electrode 222 is extended along the periphery of the buffer area HA and connects the third sub-electrode 221 and the fourth sub-electrode 223.

[0099] The shortest distance L2 from the second connection electrode 222 to the side wall of the opening 10 a is greater than or equal to 500 micrometers.

[0100] It can be understood that the second connection electrode 222 is located in the display area DA, that is, the second connection electrode 222 does not extend into the buffer area HA, so that the second connection electrode 222 is less affected by the opening 10 a or is not affected by it.

[0101] The display panel 100 of the embodiment of the present application arranges the second connecting electrode 222 outside the buffer zone HA. When the opening 10a area is subjected to external force (such as cleaning or cutting) and cracks or peeling occurs, the second connecting electrode 222 is arranged outside the buffer zone HA and is far away from the opening 10a area. Therefore, the second connecting electrode 222 is less affected or not affected, thereby reducing the risk of the second connecting electrode 222 breaking or peeling, so that the touch device layer 12 can work normally near the opening 10a area, reducing the risk of the touch performance being affected.

[0102] Secondly, since the second connecting electrode 222 is arranged outside the buffer zone HA, it is far away from the opening 10a area, so that when the hole digging process (the step of forming the opening 10a) is performed, the second connecting electrode 222 is less affected or not affected, so that the capacitance value of the touch node capacitor near the opening 10a area is basically unaffected, thereby improving the yield.

[0103] In addition, the present application arranges the second connection electrode 222 outside the buffer zone HA, which can reduce the interference of the winding data line on the second connection electrode 222, thereby improving the accuracy and precision of the touch reporting point.

[0104] The shortest distance L2 from the second connection electrode 222 to the side wall of the opening 10a is greater than or equal to 500 microns.

[0105] It is understandable that the larger the range of the shortest distance L2 is, the farther the second connection electrode 222 is from the opening 10a, and the smaller the impact of the external force applied to the opening 10a region is on the second connection electrode 222. Therefore, the shortest distance L2 is set to be greater than or equal to 500 microns to better reduce the impact of the opening 10a region on the second connection electrode 222.

[0106] Optionally, the shortest distance L2 from the second connection electrode 222 to the side wall of the opening 10a may be 500 microns, 550 microns, 600 microns, 650 microns, 700 microns, 750 microns, 800 microns, 850 microns, 900 microns, 950 microns or 1000 microns, etc.

[0107] In some embodiments, the shortest distance L2 from the second connection electrode 222 to the side wall of the opening 10 a is less than or equal to 800 micrometers to prevent the display area DA from being too small.

[0108] Optionally, the shortest distance L2 is equal to the minimum distance L1.

[0109] In some embodiments of the present application, the second connection electrode 222 is formed by cross-connecting a plurality of second wirings 22a. Optionally, the second connection electrode 222 may be in a grid shape.

[0110] In some embodiments of the present application, a redundant electrode 124 is disposed between the second connection electrode 222 and the first touch electrode 121. The redundant electrode 124 is disposed between the second connection electrode 222 and the first touch electrode 121, which can reduce the coupling capacitance of the brackets of the two and reduce the load.

[0111] Figure 8 FIG. 1 is another schematic top view of the area near the buffer zone HA. Based on the above embodiment, an auxiliary wiring 125 is further added to reduce the impedance of the second touch electrode 122 .

[0112] Please refer to Figure 8 In some embodiments of the present application, the second touch electrode 122 further includes an auxiliary trace 125 extending along the periphery of the opening 10a. The auxiliary trace 125 is disposed on one side of the buffer zone HA close to the second connection electrode 222, and an auxiliary trace 125 is connected to a plurality of second traces 22a of the second connection electrode 222.

[0113] It can be understood that the provision of the auxiliary wiring 125 reduces the impedance of the second connection electrode 222, so that the impedance of the second touch electrode 122 in the buffer area HA region and the second touch electrode 122 in other regions tend to be balanced. Secondly, the auxiliary wiring 125 is provided on the side of the buffer area HA away from the opening 10a, which can reduce the influence of the auxiliary wiring 125 on the opening 10a region when an external force is applied to the auxiliary wiring 125.

[0114] Optionally, the minimum distance L3 from the auxiliary routing 125 to the opening 10a is greater than or equal to 400 microns and less than or equal to 495 microns, for example, it may be 400 microns, 410 microns, 420 microns, 430 microns, 440 microns, 450 microns, 460 microns, 470 microns, 480 microns, 490 microns or 495 microns.

[0115] In some embodiments of the present application, the auxiliary trace 125 is a solid line. The width k4 of the auxiliary trace 125 is greater than the width k2 of the grid line 12a.

[0116] It is understandable that the auxiliary trace 125 is a solid line to increase the effective area of ​​the auxiliary trace 125 , and the auxiliary trace 125 is set to be wider to further increase the effective area of ​​the auxiliary trace 125 , thereby reducing the impedance of the second connection electrode 222 .

[0117] Fig. 9 It is shown that Figure 1 Another enlarged schematic diagram of the N part of FIG. 10 shows Fig. 9 A partial plan view of the first touch electrode in FIG.

[0118] It should be understood that, compared with the above embodiment, the first connection electrode 213 can also be arranged in the display area DA. For example, the first connection electrode 213 can be arranged only in the display area DA; or part of the first connection electrode 213 is arranged in the frame area NA, and part of the first connection electrode 213 is arranged in the display area DA.

[0119] Please refer to Fig. 9 , Fig. 9 It is a schematic diagram showing that part of the first connection electrode 213 is disposed in the frame area NA, and part of the first connection electrode 213 is disposed in the display area DA.

[0120] exist Fig. 9 and Fig.10 In the present invention, parts different from those of the above-described embodiment will be described to avoid redundant description.

[0121] In some embodiments of the present application, a first connection electrode 213 is disposed in the display area DA. It can be understood that the first connection electrode 213 is disposed in the display area DA, which can improve the uniformity of signal transmission.

[0122] In some embodiments of the present application, the first sub-electrode 211, the second sub-electrode 212, and the second touch electrode 122 are arranged in the same layer. The first connection electrode 213 located in the display area DA is arranged in a different layer from the second touch electrode 122. The first sub-electrode 211, the second sub-electrode 212, and the second touch electrode 122 are all formed by cross-connecting a plurality of grid lines 12a. The first connection electrode 213 located in the display area DA is formed by cross-connecting a plurality of first wiring lines 21g. In the display panel 100 in a top view, the first wiring line 21g of the first connection electrode 213 located in the display area DA overlaps with the grid line 12a.

[0123] The first connection electrode 213 in the display area DA can be formed in the first conductive layer 1a. The first wiring 21g overlaps with the grid line 12a to improve light extraction efficiency. The first connection electrode 213 in the display area DA connects the first sub-electrode 211 and the second sub-electrode 212 through the third via h3.

[0124] Optionally, there may be a plurality of first connection electrodes 213 located in the display area DA, so as to provide more signal transmission channels and improve the uniformity of signal transmission.

[0125] Fig.11 It is shown that Figure 1 Another enlarged schematic diagram of part N. Fig.12 It is shown that Fig.11 FIG. 1 is a plan view of the first touch electrode 121 .

[0126] exist Fig.11 and Fig.12 In the present invention, parts different from those of the above-described embodiment will be described to avoid redundancy.

[0127] In some embodiments of the present application, in the display area DA, the second connection electrode 222 extends along the peripheral direction of the opening 10 a to form a ring structure.

[0128] In the display area DA, the first sub-electrode 211 includes a first trunk z11 and a first extension z12. The second sub-electrode 212 includes a second trunk z21 and a second extension z22. The first trunk z11 and the second trunk z21 extend along the first direction F1 and are disconnected at the second connection electrode 222. The first trunk z11 is located on one side of the second connection electrode 222, and the second trunk z21 is located on the other side of the second connection electrode 222.

[0129] The first extension portion z12 is connected to a side of the first trunk z11 close to the second trunk z21 and is located at a side of the second connection electrode 222 away from the opening 10a. The second extension portion z22 is connected to a side of the second trunk z21 close to the first trunk z11 and is located at a side of the second connection electrode 222 away from the opening 10a. The first extension portion z12 and the second extension portion z22 are disposed opposite to each other and spaced apart.

[0130] In the display area DA, the first connection electrode 213 connects the first extension portion z12 and the second extension portion z22.

[0131] The first connection electrode 213 is connected to the first extension portion z12 and the second extension portion z22 through the fourth via hole h4.

[0132] It can be understood that by providing the first extension portion z12 and the second extension portion z22, the length of the first connection electrode 213 can be shortened, thereby reducing the overlapping area of ​​the first connection electrode 213 and the second touch electrode 122, thereby reducing the risk of signal interference.

[0133] Optionally, in some embodiments of the present application, in the first direction F1, the length of the first connection electrode 213 located in the display area DA is smaller than the radius of the opening 10 a.

[0134] It can be understood that the length of the first connection electrode 213 located in the display area DA is smaller than the radius of the opening 10 a , which reduces the length of the first connection electrode 213 located in the display area DA, thereby reducing signal interference.

[0135] It should be noted that, in some embodiments, in the corresponding Fig.11 On the basis of the embodiment of FIG. 1 , a first connection electrode 213 may be further provided in the border area NA. The structure of the first connection electrode 213 in the border area NA is similar to that of FIG. 1 . Figures 4 to 5 The structure of the first connection electrode 213 in the border area NA is the same, and the details may refer to the description of the above-mentioned related embodiments, which will not be repeated here.

[0136] Please refer to Fig.13 , an embodiment of the present application further provides a display device 1000, which includes the display panel 100 as described in any one of the above embodiments.

[0137] It can be understood that the structure of the display panel 100 of the display device 1000 of the embodiment of the present application is similar to or the same as the structure of the display panel 100 of the above-mentioned embodiments. Figures 1 to 12 The relevant explanation will not be repeated here.

[0138] Optionally, the display device 1000 may be applied to a cellular phone, a tablet personal computer, a personal digital assistant, a portable multimedia player, a television, a game console, a watch-type electronic device, a head-mounted display, a personal computer display, a notebook computer, a vehicle navigator, a vehicle dashboard, a digital camera, a video camera, an outdoor billboard, an electronic display board, a medical device, an inspection device, various household appliances such as a refrigerator and a washing machine, or an Internet of Things device in addition to a smart phone.

[0139] The display device 1000 of the embodiment of the present application includes a touch device layer 12, the touch device layer 12 includes a first touch electrode 121 and a second touch electrode 122, and the first touch electrode 121 includes a first sub-electrode 211, a second sub-electrode 212 and a first connecting electrode 213. In the first direction F1, the first sub-electrode 211 and the second sub-electrode 212 are disconnected, and the first sub-electrode 211 is located on one side of the opening 10a. The display panel 100 includes a display area DA and a buffer area HA, and the buffer area HA is configured as a non-display area. The buffer area HA is arranged around the periphery of the opening 10a, and the display area DA is arranged on at least one side of the buffer area HA away from the opening 10a. In the display panel 100 in a top view, the first sub-electrode 211 and the second sub-electrode 212 are disconnected in the buffer area HA, the first sub-electrode 211 and the second sub-electrode 212 are located in the display area DA, and the first connecting electrode 213 is arranged outside the buffer area HA.

[0140] The display device 1000 of the embodiment of the present application arranges the first connecting electrode 213 outside the buffer zone HA. When the opening 10a region is subjected to an external force and cracks or peels off, the first connecting electrode 213 is arranged outside the buffer zone HA and is far away from the opening 10a region. Therefore, the first connecting electrode 213 is less affected or not affected. Therefore, the touch device layer 12 can work normally near the opening 10a region, reducing the risk of affecting the touch performance.

[0141] The above is a detailed introduction to a display panel and a display device provided in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A display panel having an opening, characterized in that: include: a display substrate, wherein the opening at least penetrates a portion of the display substrate; as well as a touch device layer, arranged on the display substrate, wherein the opening also penetrates the touch device layer, wherein the touch device layer comprises a first touch electrode and a second touch electrode, wherein the first touch electrode and the second touch electrode are insulated from each other, wherein a plurality of the first touch electrodes extend along a first direction, and a plurality of the second touch electrodes extend along a second direction, wherein the first direction and the second direction intersect; wherein the first touch electrode comprises a first sub-electrode, a second sub-electrode and a first connecting electrode, wherein in the first direction, the first sub-electrode and the second sub-electrode are disconnected from each other, the first sub-electrode is located at one side of the opening, the second sub-electrode is located at the other side of the opening, and the first connecting electrode connects the first sub-electrode and the second sub-electrode; The display panel includes a display area and a buffer area, the buffer area is configured as a non-display area, the buffer area is arranged around the periphery of the opening, and the display area is arranged on at least one side of the buffer area away from the opening; in the display panel under a top-down perspective, the first sub-electrode and the second sub-electrode are disconnected in the buffer area, the first sub-electrode and the second sub-electrode are located in the display area, and the first connecting electrode is arranged outside the buffer area.

2. The display panel according to claim 1, characterized in that: The minimum distance from a boundary line between the buffer zone and the opening to a boundary line between the buffer zone and the display area is greater than or equal to 500 micrometers.

3. The display panel according to claim 2, characterized in that: The first connecting electrode is arranged in the display area.

4. The display panel according to claim 3, characterized in that: The first sub-electrode, the second sub-electrode and the second touch electrode are arranged in the same layer, and the first connecting electrode and the second touch electrode are arranged in different layers; the first sub-electrode, the second sub-electrode and the second touch electrode are all formed by cross-connecting a plurality of grid lines, and the first connecting electrode is formed by cross-connecting a plurality of first routing lines, and in the display panel viewed from a top-down perspective, the first routing line of the first connecting electrode is arranged overlapping with the grid line.

5. The display panel according to claim 4, characterized in that: The second touch electrode comprises a third sub-electrode, a second connecting electrode and a fourth sub-electrode arranged in the same layer, in the second direction, the third sub-electrode is located on one side of the opening, the fourth sub-electrode is located on the other side of the opening, the second connecting electrode is arranged in the display area, and the second connecting electrode is extended along the periphery of the buffer area and connects the third sub-electrode and the fourth sub-electrode; The shortest distance from the second connecting electrode to the side wall of the opening is greater than or equal to 500 micrometers.

6. The display panel according to claim 5, characterized in that: The second connection electrode is formed by cross-connecting a plurality of second wirings.

7. The display panel according to claim 6, characterized in that: The second touch electrode further includes an auxiliary wiring extending along the periphery of the opening, the auxiliary wiring being arranged on one side of the buffer zone close to the second connection electrode, and one of the auxiliary wirings being connected to a plurality of second wirings of the second connection electrode.

8. The display panel according to claim 7, characterized in that: The auxiliary routing line is a solid line, and the width of the auxiliary routing line is greater than the width of the grid line.

9. The display panel according to claim 6, characterized in that: A redundant electrode is disposed between the second connecting electrode and the first touch electrode.

10. The display panel according to any one of claims 6 to 8, characterized in that: The second connecting electrode extends along the peripheral direction of the opening to form a ring structure, the first sub-electrode includes a first trunk and a first extension portion, the second sub-electrode includes a second trunk and a second extension portion, the first trunk and the second trunk extend along the first direction and are disconnected at the second connecting electrode, the first trunk is located on one side of the second connecting electrode, the second trunk is located on the other side of the second connecting electrode, the first extension portion is connected to a side of the first trunk close to the second trunk and is located on a side of the second connecting electrode away from the opening, and the second extension portion is connected to a side of the second trunk close to the first trunk and is located on a side of the second connecting electrode away from the opening; The first extension portion and the second extension portion are disposed opposite to each other and spaced apart from each other, and the first connection electrode connects the first extension portion and the second extension portion.

11. The display panel according to claim 10, characterized in that: In the first direction, a length of the first connecting electrode is smaller than a radius of the opening.

12. The display panel according to any one of claims 1 to 9, characterized in that: The display panel further includes a frame area, which is arranged on at least one side of the display area away from the buffer area, and the first connecting electrode is arranged in the frame area.

13. The display panel according to claim 12, characterized in that: The first sub-electrode and the second sub-electrode are both formed by cross-connecting a plurality of grid lines, the first connection electrode located in the border area is a solid line, and the width of the first connection electrode located in the border area is greater than the width of the grid line.

14. The display panel according to claim 13, characterized in that: The first sub-electrode, the second sub-electrode and the first connecting electrode located in the border area are arranged in the same layer.

15. The display panel according to claim 12, characterized in that: The display panel further includes a detection circuit which is insulated from the first sub-electrode and is in the same layer, the detection circuit includes two test traces and a resistance trace which are arranged side by side, the test trace is extended from the frame area to the buffer area, the resistance trace is arranged in the buffer area and extends along the periphery of the opening, the resistance trace is located on a side of the buffer area close to the opening, and the two test traces are connected to the resistance trace; The first sub-electrode is disconnected at the test line and is arranged into a first part and a second part, wherein in the first direction, the first part is arranged at one side of the test line, and the second part is arranged at the other side of the test line; The first touch electrode further includes a third connection electrode disposed in a different layer from the test trace, and the third connection electrode connects the first portion and the second portion.

16. The display panel according to claim 15, characterized in that: The third connecting electrode is disposed in at least one of the frame area and the display area, and the third connecting electrode is disposed outside the buffer area.

17. A display device, characterized in that: Comprising a display panel as described in any one of claims 1-16.

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