Display panel and display device

Abstract

The embodiment of the invention provides a display panel and a display device. The display panel comprises a substrate, a driving circuit layer, an insulating layer, a first electrode layer and an isolation structure which are sequentially arranged in a stacked mode. The isolation structure encloses to form an isolation opening, the isolation structure comprises a first segment, the insulation layer is provided with a first via hole, the orthographic projection of the first via hole on the substrate and the orthographic projection of the first segment on the substrate are at least partially overlapped, the first electrode layer comprises a first sub-electrode, and a part of the first sub-electrode extends to one side, facing the substrate, of the first segment; and the driving circuit layer is electrically connected through the first via hole. The first via hole is formed in the side, facing the substrate, of the first segment, and the width, in the direction perpendicular to the thickness direction of the display panel, of the isolation structure except the first segment is not affected by the first via hole, so that the width, in the direction perpendicular to the thickness direction of the display panel, of the isolation structure except the first segment is reduced; therefore, the use performance of the display panel is improved.

Description

Technical Field

[0001] The present application relates to the technical field of display equipment, and in particular 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 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 performance of the display panel.

[0005] The embodiment of the first aspect of the present application provides a substrate, a driving circuit layer, an insulating layer, a first electrode layer and an isolation structure; the driving circuit layer is arranged on one side of the substrate; the insulating layer is arranged on the side of the driving circuit layer away from the substrate; the first electrode layer is arranged on the side of the insulating layer away from the substrate; the isolation structure is arranged on the side of the insulating layer away from the substrate, the isolation structure encloses to form an isolation opening, the isolation opening includes a first isolation opening, a second isolation opening and a third isolation opening, adjacent first isolation openings, second isolation openings and third isolation openings constitute an opening repeating unit; in the same opening repeating unit, the second isolation opening and the third isolation opening are arranged along The first and second directions are arranged side by side in the first direction, the first isolation opening is arranged on one side of the second isolation opening and the third isolation opening along the second direction, the isolation structure includes a first segment, at least part of the first segment is located between the second isolation opening and the third isolation opening, and the first direction and the second direction intersect; wherein, the insulating layer is provided with a first via hole, the orthographic projection of the first via hole on the substrate at least partially overlaps with the orthographic projection of the first segment on the substrate, the first electrode layer includes a first sub-electrode, at least part of the first sub-electrode is exposed by the first isolation opening, part of the first sub-electrode extends to the side of the first segment facing the substrate, and is electrically connected to the drive circuit layer through the first via hole.

[0006] According to an embodiment of the present application, the orthographic projection area of ​​the first isolation opening on the substrate is larger than the orthographic projection area of ​​the second isolation opening on the substrate, and the orthographic projection area of ​​the first isolation opening on the substrate is larger than the orthographic projection area of ​​the third isolation opening on the substrate.

[0007] According to an embodiment of the present application, in the same opening repetition unit, part of the first segment extends from between the second isolation opening and the third isolation opening along the second direction to one side of the first isolation opening in the second direction, and the first segment includes a first sub-segment and a second sub-segment, the first sub-segment is located between the second isolation opening and the third isolation opening, and the second sub-segment is located between the first sub-segment and the first isolation opening.

[0008] According to an embodiment of the present application, an orthographic projection of the first via hole on the substrate at least partially overlaps with an orthographic projection of the second subsegment on the substrate.

[0009] According to an embodiment of the present application, the insulating layer is further provided with a second via hole and a third via hole, and an orthographic projection of at least one of the second via hole and the third via hole on the substrate at least partially overlaps with an orthographic projection of the first segment on the substrate.

[0010] According to an embodiment of the present application, the first electrode layer also includes a second sub-electrode at least partially located in the second isolation opening and a third sub-electrode at least partially located in the third isolation opening, the second sub-electrode extends to the side of the first segment in the same opening repeating unit facing the substrate, and is electrically connected to the driving circuit layer through the second via, and the third sub-electrode extends to the side of the first segment in the same opening repeating unit facing the substrate, and is electrically connected to the driving circuit layer through the third via.

[0011] According to an embodiment of the present application, the orthographic projection of the second via on the substrate at least partially overlaps with the orthographic projection of the first subsegment on the substrate; and / or the orthographic projection of the third via on the substrate at least partially overlaps with the orthographic projection of the first subsegment on the substrate.

[0012] According to an embodiment of the present application, the isolation structure also includes a second segment, which is located between the first isolation opening and the second isolation opening in the same opening repeating unit; and / or, the second segment is located between the first isolation opening and the third isolation opening in the same opening repeating unit; the first segment has a first width along the first direction, and the second segment has a second width along the second direction, and the first width is greater than the second width.

[0013] According to an embodiment of the present application, the first segment and the second segment are connected.

[0014] According to an embodiment of the present application, a plurality of opening repeating units are arranged side by side along the first direction and / or the second direction.

[0015] According to an embodiment of the present application, the isolation structure also includes a third segment, which surrounds at least part of the opening repeating unit, part of the third segment extends along the second direction and has a third width along the first direction, part of the third segment extends along the first direction and has a seventh width along the second direction, and the first width is greater than the third width and / or the seventh width.

[0016] According to an embodiment of the present application, the second width is equal to the third width and / or the seventh width.

[0017] According to an embodiment of the present application, the sum of the dimensions of the second isolation opening, the first segment, and the third isolation opening along the first direction is equal to the dimension of the first isolation opening along the first direction.

[0018] According to an embodiment of the present application, the first sub-electrode includes a first main body portion and a first connecting portion that are connected to each other, the orthographic projection of the first main body portion on the substrate at least partially overlaps with the orthographic projection of the first isolation opening on the substrate, the orthographic projection of the first connecting portion on the substrate at least partially overlaps with the orthographic projection of the first segment on the substrate, and the first connecting portion is electrically connected to the driving circuit layer through a first via.

[0019] According to an embodiment of the present application, the first connecting portion has a fourth width along the first direction, the first segment has a first width along the first direction, and the first width is greater than the fourth width.

[0020] According to an embodiment of the present application, the second sub-electrode includes a second main body portion and a second connecting portion that are connected to each other, the orthographic projection of the second main body portion on the substrate at least partially overlaps with the orthographic projection of the second isolation opening on the substrate, the orthographic projection of the second connecting portion on the substrate at least partially overlaps with the orthographic projection of the first segment on the substrate, and the second connecting portion is electrically connected to the driving circuit layer through a second via.

[0021] According to an embodiment of the present application, the second connecting portion has a fifth width along the first direction, the first segment has a first width along the first direction, and the first width is greater than the fifth width.

[0022] According to an embodiment of the present application, the third sub-electrode includes a third main body portion and a third connecting portion that are interconnected, the orthographic projection of the third main body portion on the substrate at least partially overlaps with the orthographic projection of the third isolation opening on the substrate, the orthographic projection of the third connecting portion on the substrate at least partially overlaps with the orthographic projection of the first segment on the substrate, and the third connecting portion is electrically connected to the driving circuit layer through a third via.

[0023] According to an embodiment of the present application, the third connecting portion has a sixth width along the first direction, the first segment has a first width along the first direction, and the first width is greater than the sixth width.

[0024] According to an embodiment of the present application, the display panel also includes a light-emitting layer, which is arranged on the side of the first electrode layer away from the substrate, and the light-emitting layer includes a first light-emitting unit, a second light-emitting unit and a third light-emitting unit, the first light-emitting unit is located at the first isolation opening, the second light-emitting unit is located at the second isolation opening, and the third light-emitting unit is located at the third isolation opening, the first light-emitting unit is used to emit blue light, the second light-emitting unit is used to emit one of red light or green light, and the third light-emitting unit is used to emit the other of red light or green light.

[0025] According to an embodiment of the present application, the isolation structure includes a first sublayer and a second sublayer, the second sublayer is located on a side of the first sublayer facing away from the substrate, and the orthographic projection of the first sublayer on the substrate is within the orthographic projection of the second sublayer on the substrate.

[0026] According to an embodiment of the present application, the isolation structure further includes a third sublayer, and the third sublayer is arranged on a side of the first sublayer facing the substrate.

[0027] According to an embodiment of the present application, an orthographic projection of the first sub-layer on the substrate is located within an orthographic projection of the third sub-layer on the substrate.

[0028] The embodiment of the first aspect of the present application further provides a display panel, comprising: a substrate; a driving circuit layer, arranged on one side of the substrate; an insulating layer, arranged on the side of the driving circuit layer facing away from the substrate; a first electrode layer, arranged on the side of the insulating layer facing away from the substrate; an isolation structure, arranged on the side of the insulating layer facing away from the substrate, the isolation structure encloses to form an isolation opening, the isolation opening comprises a first isolation opening, a second isolation opening and a third isolation opening, the isolation structure comprises a first segment and a second segment, the first segment extends along the second direction, the first segment has a first width along the first direction, the second segment extends along the first direction, the second segment has a second width along the second direction, the first width is greater than the second width, the first direction and the second direction intersect; wherein, the insulating layer is provided with a first via hole, a second via hole and a third via hole, the orthographic projections of the first via hole, the second via hole and the third via hole on the substrate at least partially overlap with the orthographic projections of the first segment on the substrate, the first electrode layer includes a first sub-electrode located at the first isolation opening, a second sub-electrode located at the second isolation opening and a third sub-electrode located at the third isolation opening, part of the first sub-electrode extends to the first segment toward the side of the substrate and is electrically connected to the drive circuit layer through the first via hole, part of the second sub-electrode extends to the first segment toward the side of the substrate and is electrically connected to the drive circuit layer through the second via hole, and part of the third sub-electrode extends to the first segment toward the side of the substrate and is electrically connected to the drive circuit layer through the third via hole.

[0029] According to an embodiment of the present application, the second isolation opening and the third isolation opening are arranged side by side along the first direction, the first isolation opening is arranged on one side of the second isolation opening and the third isolation opening along the second direction, the first segment is located between the second isolation opening and the third isolation opening, and the first direction intersects with the second direction.

[0030] According to an embodiment of the present application, the orthographic projection area of ​​the first isolation opening on the substrate is larger than the orthographic projection area of ​​the second isolation opening on the substrate, and the orthographic projection area of ​​the first isolation opening on the substrate is larger than the orthographic projection area of ​​the third isolation opening on the substrate.

[0031] The embodiment of the second aspect of the present application further provides a display device, including the display panel in any embodiment of the first aspect mentioned above.

[0032] In an embodiment of the present application, the first sub-electrode is used to drive the light-emitting unit to emit light, part of the first sub-electrode extends to the side of the first segment facing the substrate, and is electrically connected to the driving circuit layer through the first via hole, so that the driving circuit layer can transmit an electrical signal to the first sub-electrode. The insulating layer is provided with a first via hole, the orthographic projection of the first via hole on the substrate overlaps at least partially with the orthographic projection of the first segment on the substrate, the first segment can cover at least part of the first via hole, the flatness of the area other than the first segment can be improved, and the first segment can provide protection for the first via hole. In addition, the first via hole is provided on the side of the first segment facing the substrate, and the width of the isolation structure other than the first segment along the direction perpendicular to the thickness of the display panel is not affected by the first via hole, which is conducive to reducing the width of the isolation structure other than the first segment along the direction perpendicular to the thickness of the display panel, and can increase the number of isolation openings, improve the resolution of the display panel, and thus improve the performance of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Other features, objects and advantages of the present application will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings, in which the same or similar reference numerals represent the same or similar features.

[0034] Figure 1 is a structural schematic diagram of a display panel provided in an embodiment of the present application;

[0035] Figure 2 yes Figure 1 Middle AA section profile;

[0036] Figure 3 It is a schematic diagram of the structure of another display panel provided in an embodiment of the present application.

[0037] Description of reference numerals: 100, substrate; 110, driving circuit layer; 200, isolation structure; 201, first sublayer; 202, second sublayer; 203, third sublayer; 210, isolation opening; 211, first isolation opening; 212, second isolation opening; 213, third isolation opening; 214, opening repeating unit; 220, first segment; 221, first subsegment; 222, second subsegment; 230, second segment; 240, third segment; 310, first light-emitting unit; 320, second light-emitting unit; 330, third light-emitting unit; 410, first sub-electrode; 411, first main body; 412, first connecting portion; 420, second sub-electrode; 421, second main body; 422, second connecting portion; 430, third sub-electrode; 431, third main body; 432, third connecting portion; 500, pixel defining portion; 510, pixel opening; 600, insulating layer; 610, first via hole; 620, second via hole; 630, third via hole; 700, packaging portion; 800, second electrode; N, first width; M, second width; L, third width; K, fourth width; P, fifth width; Q, sixth width; T, seventh width; X, first direction; Y, second direction; Z, thickness direction. DETAILED DESCRIPTION

[0038] The features and exemplary embodiments of various aspects of the present application will be described in detail below. In the detailed description below, many specific details are proposed to provide a comprehensive understanding of the present application. However, it is obvious to those skilled in the art that 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 examples of the present application. In the accompanying drawings and the following description, at least some of the known structures and technologies are not shown to avoid unnecessary ambiguity in the present application; and, for clarity, the size of some structures may be exaggerated. In addition, the features, structures or characteristics described below may be combined in one or more embodiments in any suitable manner.

[0039] In the description of the present application, it should be noted that, unless otherwise specified, "multiple" means more than two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating directions or positional relationships, are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0040] The directional words appearing in the following description are all directions shown in the figures, and do not limit the specific structure of the embodiments of the present application. In the description of the present application, it should also be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances.

[0041] like Figure 1 and Figure 2 As shown, a display panel provided by an embodiment of the first aspect of the present application includes: a substrate 100, a driving circuit layer 110, an insulating layer 600, a first electrode layer and an isolation structure 200; the driving circuit layer 110 is arranged on one side of the substrate 100; the insulating layer 600 is arranged on the side of the driving circuit layer 110 away from the substrate 100; the first electrode layer is arranged on the side of the insulating layer 600 away from the substrate 100; the isolation structure 200 is arranged on the side of the insulating layer 600 away from the substrate 100, and the isolation structure 200 encloses to form an isolation opening 210, the isolation opening 210 includes a first isolation opening 211, a second isolation opening 212 and a third isolation opening 213, and the adjacent first isolation openings 211, the second isolation openings 212 and the third isolation openings 213 constitute an opening repeating unit 214; in the same opening repeating unit 214, the second isolation opening 212 and the third isolation opening 213 are adjacent to each other. The exit openings 213 are arranged side by side along the first direction X, the first isolation opening 211 is arranged on one side of the second isolation opening 212 and the third isolation opening 213 along the second direction Y, the isolation structure 200 includes a first segment 220, at least part of the first segment 220 is located in the first segment 220 between the second isolation opening 212 and the third isolation opening 213, and the first direction X and the second direction Y intersect; wherein, the insulating layer 600 is provided with a first via hole 610, the orthographic projection of the first via hole 610 on the substrate 100 at least partially overlaps with the orthographic projection of the first segment 220 on the substrate 100, the first electrode layer includes a first sub-electrode 410, at least part of the first sub-electrode 410 is exposed by the first isolation opening 211, part of the first sub-electrode 410 extends to the side of the first segment 220 facing the substrate 100, and is electrically connected to the driving circuit layer 110 through the first via hole 610.

[0042] In this embodiment, the first sub-electrode 410 is used to drive the light-emitting unit to emit light, and part of the first sub-electrode 410 extends to the side of the first segment 220 facing the substrate 100, and is electrically connected to the driving circuit layer 110 through the first via hole 610, so that the driving circuit layer 110 can transmit an electrical signal to the first sub-electrode 410. The insulating layer 600 is provided with a first via hole 610, and the orthographic projection of the first via hole 610 on the substrate 100 overlaps with the orthographic projection of the first segment 220 on the substrate 100 at least partially, and the first segment 220 can cover at least part of the first via hole 610, so as to improve the flatness of the area other than the first segment 220, and the first segment 220 can provide protection for the first via hole 610. Furthermore, the first via hole 610 is disposed on the side of the first segment 220 facing the substrate 100, and the width of the isolation structure 200 other than the first segment 220 along the direction Z perpendicular to the thickness of the display panel is not affected by the first via hole 610, which is beneficial to reducing the width of the isolation structure 200 other than the first segment 220 along the direction Z perpendicular to the thickness of the display panel, thereby increasing the number of isolation openings 210 and improving the resolution of the display panel, thereby improving the performance of the display panel.

[0043] like Figure 1 and Figure 2 As shown, in some optional embodiments, the display panel also includes a light-emitting layer, which is arranged on the side of the first electrode layer away from the substrate 100, and the light-emitting layer includes a plurality of light-emitting units, and the plurality of light-emitting units include a first light-emitting unit 310, a second light-emitting unit 320 and a third light-emitting unit 330, the first light-emitting unit 310 is located at the first isolation opening 211, the second light-emitting unit 320 is located at the second isolation opening 212, and the third light-emitting unit 330 is located at the third isolation opening 213.

[0044] In these optional embodiments, the isolation structure 200 is disposed on the substrate 100 and encloses a plurality of isolation openings 210 to separate the light-emitting layer to form light-emitting units that are disconnected from each other. The light-emitting units are located in each isolation opening 210. The isolation structure 200 can reduce light crosstalk between different light-emitting units, thereby improving the display effect. In addition, there is no need to use a precision mask plate to prepare the light-emitting units, which can reduce the development and use of precision mask plates and reduce preparation costs.

[0045] like Figure 1 and Figure 2 As shown, in some optional embodiments, the display panel also includes a second electrode layer, the second electrode layer includes a second electrode 800 located in each isolation opening 210, the second electrode 800 is located on the side of the first light-emitting unit 310, the second light-emitting unit 320 and the third light-emitting unit 330 away from the substrate 100, and the second electrode 800 is electrically connected to the isolation structure 200.

[0046] In these optional embodiments, the isolation structure 200 separates the second electrode layer to form mutually spaced second electrodes 800. The mutually spaced second electrodes 800 are electrically connected through the isolation structure 200 to form a whole-surface electrode, thereby ensuring normal light emission of the light-emitting unit. The first via 610 is located on the side of the first segment 220 facing the substrate 100, which can improve the flatness of the surface on which the second electrode 800 is set, thereby improving the yield of the second electrode 800.

[0047] Optional, such as Figure 2 As shown, the display panel also includes a plurality of packaging parts 700 for packaging each light-emitting unit. The packaging part 700 is located on the side of the second electrode 800 away from the substrate 100 . The packaging part 700 extends from the isolation opening 210 to the side of the isolation structure 200 away from the substrate to enhance the packaging effect of the packaging part 700 .

[0048] like Figure 1 As shown, in some optional embodiments, the orthographic projection area of ​​the first isolation opening 211 on the substrate 100 is greater than the orthographic projection area of ​​the second isolation opening 212 on the substrate 100, and the orthographic projection area of ​​the first isolation opening 211 on the substrate 100 is greater than the orthographic projection area of ​​the third isolation opening 213 on the substrate 100.

[0049] In these optional embodiments, the first light-emitting unit 310, the second light-emitting unit 320 and the third light-emitting unit 330 constitute a unit group, and the opening area of ​​the first isolation opening 211 is larger than the opening area of ​​the second isolation opening 212 and the opening area of ​​the third isolation opening 213. The opening area of ​​the second isolation opening 212 and the opening area of ​​the third isolation opening 213 are arranged opposite to each other along the first direction X, and the opening area of ​​the second isolation opening 212 and the opening area of ​​the third isolation opening 213 are relatively small, so that there is a larger area between the second isolation opening 212 and the third isolation opening 213 to arrange the first segment 220, that is, the width of the first segment 220 will be larger, and the first via 610 is arranged on the side of the first segment 220 facing the substrate 100, which is conducive to reducing the width of the isolation structure 200 except the first segment 220, thereby improving the resolution of the display panel.

[0050] Optional, such as Figure 1 and Figure 2 As shown, the width direction of the first segment 220 is perpendicular to the extension direction of the first segment 220 and the thickness direction Z of the display panel. The first segment 220 located between the second isolation opening 212 and the third isolation opening 213 extends along the second direction Y, and the width direction of the first segment 220 is perpendicular to the thickness direction Z and the second direction Y of the display panel.

[0051] like Figure 1As shown, in some optional embodiments, in the same opening repeating unit 214, part of the first segment 220 extends along the second direction Y to one side of the first isolation opening 211 in the second direction Y, and the first segment 220 includes a first sub-segment 221 and a second sub-segment 222, the first sub-segment 221 is located between the second isolation opening 212 and the third isolation opening 213, and the second sub-segment 222 is located between the first sub-segment 221 and the first isolation opening 211.

[0052] In these optional embodiments, the first sub-segment 221 is located on one side of the second isolation opening 212 and the third isolation opening 213 along the first direction X, and the second sub-segment 222 is located between the first sub-segment 221 and the first isolation opening 211, that is, the distance between the second sub-segment 222 and the first isolation opening 211 is smaller than the distance between the first sub-segment 221 and the isolation opening 210.

[0053] Optional, such as Figure 1 As shown, the widths of the first sub-segment 221 and the second sub-segment 222 are equal.

[0054] Optional, such as Figure 1 As shown, the orthographic projection of the first via hole 610 on the substrate 100 at least partially overlaps with the orthographic projection of the second sub-segment 222 on the substrate 100. The first via hole 610 is arranged on the side of the second sub-segment 222 facing the substrate 100, so that the distance between the first via hole 610 and the first isolation opening 211 is smaller, which is conducive to reducing the extension length of the first sub-electrode 410, thereby reducing the resistivity of the first sub-electrode 410 and improving the yield of the first sub-electrode 410.

[0055] like Figure 1 and Figure 2 As shown, in some optional embodiments, the insulating layer 600 is further provided with a second via 620 and a third via 630 , and the orthographic projection of at least one of the second via 620 and the third via 630 on the substrate 100 at least partially overlaps with the orthographic projection of the first segment 220 on the substrate 100 .

[0056] In these optional embodiments, at least one of the second via 620 and the third via 630 is disposed on the side of the first segment 220 facing the substrate 100, which is beneficial for reducing the width of the isolation structure 200 except the first segment 220, thereby improving the resolution of the display panel and improving the display effect.

[0057] Optional, such as Figure 2As shown, the first electrode layer further includes a second sub-electrode 420 at least partially located in the second isolation opening 212 and a third sub-electrode 430 at least partially located in the third isolation opening 213, the second sub-electrode 420 extends to the side of the first segment 220 facing the substrate 100, and is electrically connected to the driving circuit layer 110 through the second via 620, and the third sub-electrode 430 extends to the side of the first segment 220 facing the substrate 100, and is electrically connected to the driving circuit layer 110 through the third via 630. The second sub-electrode 420 is used to drive the second light-emitting unit 320 to emit light, and part of the second sub-electrode 420 extends to the side of the first segment 220 facing the substrate 100 in the same opening repeating unit 214, and is electrically connected to the driving circuit layer 110 through the second via 620, so that the driving circuit layer 110 can transmit an electrical signal to the second sub-electrode 420. The third sub-electrode 430 is used to drive the third light-emitting unit 330 to emit light. Part of the third sub-electrode 430 extends to the first segment 220 in the same opening repeating unit 214 facing the side of the substrate 100, and is electrically connected to the driving circuit layer 110 through the third via 630, so that the driving circuit layer 110 can transmit electrical signals to the third sub-electrode 430.

[0058] like Figure 1 As shown, in some optional embodiments, the orthographic projection of the second via 620 on the substrate 100 at least partially overlaps with the orthographic projection of the first sub-segment 221 on the substrate 100 .

[0059] In these optional embodiments, the first sub-segment 221 is located between the second isolation opening 212 and the third isolation opening 213, that is, the distance between the first sub-segment 221 and the second isolation opening 212 is smaller than the distance between the second sub-segment 222 and the second isolation opening 212, and the second via 620 is arranged on the side of the first sub-segment 221 facing the substrate 100, which is beneficial to reducing the extension length of the second sub-electrode 420, thereby reducing the resistivity of the second sub-electrode 420 and improving the yield of the second sub-electrode 420.

[0060] like Figure 1 As shown, in some optional embodiments, the orthographic projection of the third via hole 630 on the substrate 100 at least partially overlaps with the orthographic projection of the first sub-segment 221 on the substrate 100 .

[0061] In these optional embodiments, disposing the third via 630 on the side of the first sub-segment 221 facing the substrate 100 is beneficial to reducing the extension length of the third sub-electrode 430 , thereby reducing the resistivity of the third sub-electrode 430 and improving the yield of the third sub-electrode 430 .

[0062] like Figure 1As shown, in some optional embodiments, the isolation structure 200 also includes a second segment 230, which is located between the first isolation opening 211 and the second isolation opening 212 in the same opening repeating unit 214; the first segment 220 has a first width N along the first direction X, and the second segment 230 has a second width M along the second direction Y, and the first width N is greater than the second width M.

[0063] In these optional embodiments, the first via 610, the second via 620 and the third via 630 are arranged on the side of the first segment 220 facing the substrate 100, so that the second segment 230 is not affected by the sizes of the first via 610, the second via 620 and the third via 630, which is beneficial to reduce the second width M, that is, the second width M is smaller than the first width N, which is beneficial to improve the resolution of the display panel and improve the display effect.

[0064] like Figure 1 and Figure 2 As shown, in some other optional embodiments, the second segment 230 is located between the first isolation opening 211 and the third isolation opening 213 in the same opening repeating unit 214, the first segment 220 has a first width N, the second segment 230 has a second width M, and the first width N is greater than the second width M.

[0065] In these optional embodiments, the first via 610, the second via 620 and the third via 630 are arranged on the side of the first segment 220 facing the substrate 100, so that the second segment 230 is not affected by the sizes of the first via 610, the second via 620 and the third via 630, which is beneficial to reduce the second width M, that is, the second width M is smaller than the first width N, which is beneficial to improve the resolution of the display panel and improve the display effect.

[0066] Optional, such as Figure 1 As shown, the first segment 220 and the second segment 230 are connected, and the first segment 220 and the second segment 230 are simultaneously formed in the same manufacturing process, thereby simplifying the manufacturing process.

[0067] like Figure 1 As shown, in some optional embodiments, the first isolation opening 211 , the second isolation opening 212 and the third isolation opening 213 form an opening repeating unit 214 , and a plurality of opening repeating units 214 are arranged side by side along the first direction X and / or the second direction Y.

[0068] In these optional embodiments, the first isolation opening 211, the second isolation opening 212 and the third isolation opening 213 form an opening repeating unit 214, the first light-emitting unit 310 located in the first isolation opening 211, the second light-emitting unit 320 located in the second isolation opening 212 and the third light-emitting unit 330 located in the third isolation opening 213 constitute a unit group, and multiple opening repeating units 214 are arranged side by side along the first direction X and / or the second direction Y, that is, multiple unit groups are arranged side by side along the first direction X and / or the second direction Y.

[0069] Optional, such as Figure 1 and Figure 2 As shown, the isolation structure 200 further includes a third segment 240, the third segment 240 surrounds at least a portion of the open repeating unit 214, a portion of the third segment 240 extends along the second direction Y and has a third width L along the first direction X, a portion of the third segment 240 extends along the first direction X and has a seventh width T along the second direction Y, and the first width N is greater than the third width L and / or the seventh width T. The first via 610, the second via 620, and the third via 630 are all disposed on the side of the first segment 220 facing the substrate 100, so that the third segment 240 is not affected by the first via 610, the second via 620, and the third via 630, and the width of the third segment 240 can be reduced, thereby improving the resolution of the display panel.

[0070] Optional, such as Figure 1 and Figure 2 As shown, the second width M is equal to the third width L and / or the seventh width T, and the widths of the second segment 230 and the third segment 240 are the same, so that the manufacturing process parameters of the second segment 230 and the third segment 240 can be the same, which is beneficial to simplify the preparation process.

[0071] like Figure 1 As shown, in some optional embodiments, the sum of the dimensions of the second isolation opening 212 , the first segment 220 , and the third isolation opening 213 along the first direction X is equal to the dimension of the first isolation opening 211 along the first direction X.

[0072] In these optional embodiments, the second isolation opening 212 and the third isolation opening 213 are arranged opposite to each other along the first direction X, and the first segment 220 is arranged between the second isolation opening 212 and the third isolation opening 213. The sum of the dimensions of the second isolation opening 212, the first segment 220 and the third isolation opening 213 along the first direction X is equal to the dimension of the first isolation opening 211 along the first direction X. The first isolation opening 211 is arranged on one side of the second isolation opening 212, the first segment 220 and the third isolation opening 213 along the second direction Y to form a rectangular structure, which is conducive to simplifying the design difficulty of pixel arrangement.

[0073] like Figure 3 As shown, in some optional embodiments, the first sub-electrode 410 includes a first main body portion 411 and a first connecting portion 412 that are connected to each other, the orthographic projection of the first main body portion 411 on the substrate 100 at least partially overlaps with the orthographic projection of the first isolation opening 211 on the substrate 100, the orthographic projection of the first connecting portion 412 on the substrate 100 at least partially overlaps with the orthographic projection of the first segment 220 on the substrate 100, and the first connecting portion 412 is electrically connected to the driving circuit layer 110 through the first via 610.

[0074] In these optional embodiments, the first main body 411 drives the light-emitting unit to emit light, the first connecting portion 412 extends to the first via 610 and is electrically connected to the driving circuit layer 110 , and the driving circuit layer 110 sends an electrical signal that is transmitted to the first main body 411 through the first connecting portion 412 .

[0075] Optional, such as Figure 3 As shown, the first connecting portion 412 has a fourth width K along the first direction X, the first segment 220 has a first width N along the first direction X, the first width N is greater than the fourth width K, and the width of the first connecting portion 412 is less than the width of the first segment 220, thereby improving the coverage of the first segment 220 on the side of the first connecting portion 412 away from the substrate 100, improving the flatness of the area other than the first segment 220, and the first segment 220 can provide protection for the first connecting portion 412.

[0076] like Figure 3 As shown, in some optional embodiments, the second sub-electrode 420 includes a second main body portion 421 and a second connecting portion 422 which are connected to each other, the orthographic projection of the second main body portion 421 on the substrate 100 at least partially overlaps with the orthographic projection of the second isolation opening 212 on the substrate 100, the orthographic projection of the second connecting portion 422 on the substrate 100 at least partially overlaps with the orthographic projection of the first segment 220 on the substrate 100, and the second connecting portion 422 is electrically connected to the driving circuit layer 110 through the second via 620.

[0077] In these optional embodiments, the second main body 421 drives the light-emitting unit to emit light, the second connecting portion 422 extends to the second via 620 and is electrically connected to the driving circuit layer 110 , and the driving circuit layer 110 sends an electrical signal that is transmitted to the second main body 421 through the second connecting portion 422 .

[0078] Optional, such as Figure 3As shown, the second connection portion 422 has a fifth width P along the first direction X, and the first segment 220 has a first width N along the first direction X, and the first width N is greater than the fifth width P. The width of the second connection portion 422 is smaller than the width of the first segment 220, so that the coverage of the first segment 220 on the side of the second connection portion 422 facing away from the substrate 100 can be improved, and the flatness of the area other than the first segment 220 is improved, and the first segment 220 can provide protection for the second connection portion 422.

[0079] like Figure 3 As shown, in some optional embodiments, the third sub-electrode 430 includes a third main body portion 431 and a third connecting portion 432 that are interconnected, the orthographic projection of the third main body portion 431 on the substrate 100 at least partially overlaps with the orthographic projection of the third isolation opening 213 on the substrate 100, the orthographic projection of the third connecting portion 432 on the substrate 100 at least partially overlaps with the orthographic projection of the first segment 220 on the substrate 100, and the third connecting portion 432 is electrically connected to the driving circuit layer 110 through the third via 630.

[0080] In these optional embodiments, the third main body 431 drives the light-emitting unit to emit light, the third connecting portion 432 extends to the third via 630 and is electrically connected to the driving circuit layer 110 , and the driving circuit layer 110 sends an electrical signal that is transmitted to the third main body 431 through the third connecting portion 432 .

[0081] Optional, such as Figure 3 As shown, the third connection portion 432 has a sixth width Q along the first direction X, and the first segment 220 has a first width N along the first direction X, and the first width N is greater than the sixth width Q. The width of the third connection portion 432 is smaller than the width of the first segment 220, so that the coverage of the first segment 220 on the side of the third connection portion 432 facing away from the substrate 100 can be improved, and the flatness of the area other than the first segment 220 is improved, and the first segment 220 can provide protection for the third connection portion 432.

[0082] like Figure 2 As shown, in some optional embodiments, the display panel also includes a pixel definition layer, which is arranged between the isolation structure 200 and the insulating layer 600, and the pixel definition layer includes a pixel defining portion 500 and a pixel opening 510 formed by the pixel defining portion 500, the pixel opening 510 is connected to the isolation opening 210, and the orthographic projection of the isolation structure 200 on the substrate 100 is located within the pixel defining portion 500.

[0083] In these optional embodiments, the pixel defining portion 500 of the pixel defining layer encloses a pixel opening 510 to set a light emitting unit to achieve normal light emission of the light emitting unit. The pixel defining portion 500 defines the setting area of ​​each light emitting unit to reduce cross-color defects between the light emitting units.

[0084] Optional, such as Figure 2 As shown, the first connection portion 412 , the second connection portion 422 and the third connection portion 432 are disposed between the pixel defining portion 500 and the insulating layer 600 , and the first body portion 411 , the second body portion 421 and the third body portion 431 are respectively exposed by the corresponding pixel openings 510 .

[0085] Optionally, the first light emitting unit 310 is used to emit blue light, the second light emitting unit 320 is used to emit one of red light or green light, and the third light emitting unit 330 is used to emit the other of red light or green light. The opening area of ​​the first isolation opening 211 is larger than the opening areas of the second isolation opening 212 and the third isolation opening 213, so that the area of ​​the first light emitting unit 310 is larger, which is conducive to improving the service life of the first light emitting unit 310.

[0086] like Figure 2 As shown, in some optional embodiments, the isolation structure 200 includes a first sublayer 201 and a second sublayer 202, the second sublayer 202 is located on the side of the first sublayer 201 facing away from the substrate 100, and the orthographic projection of the first sublayer 201 on the substrate 100 is located within the orthographic projection of the second sublayer 202 on the substrate 100.

[0087] In these optional embodiments, the first sublayer 201 and the second sublayer 202 are arranged to form an isolation structure 200, the orthographic projection of the first sublayer 201 arranged close to the substrate 100 on the substrate 100 is located within the orthographic projection of the second sublayer 202 on the substrate 100, the area of ​​the second sublayer 202 is larger than the area of ​​the first sublayer 201, and the second sublayer 202 covers the surface of the first sublayer 201 close to the second sublayer 202, and at this time, the first sublayer 201 is recessed relative to the second sublayer 202 in a direction away from the isolation opening 210. When preparing the light-emitting layer, the light-emitting layer has a large drop at the edge of the isolation structure 200, and the first sublayer 201 is recessed relative to the second sublayer 202, so that the light-emitting layer is difficult to connect at the edge of the isolation structure 200, and thus breaks, and the light-emitting layer breaks to form mutually disconnected light-emitting units.

[0088] like Figure 2 As shown, in some optional embodiments, the isolation structure 200 further includes a third sub-layer 203 , and the third sub-layer 203 is disposed on a side of the first sub-layer 201 facing the substrate 100 .

[0089] In these optional embodiments, when the first sub-layer 201 is side-etched, the third sub-layer 203 can provide protection for the film layer on the substrate 100 side.

[0090] Optional, such as Figure 2As shown, the orthographic projection of the first sub-layer 201 on the substrate 100 is located within the orthographic projection of the third sub-layer 203 on the substrate 100 , thereby improving the protective effect of the third sub-layer 203 on the side film layer of the substrate 100 .

[0091] The specific design of the isolation structure 200 can refer to existing patents, such as patents CN118251982A, 202410864269.8, PCT / CN2024 / 098407, PCT / CN2024 / 102783, PCT / CN2024 / 098217, PCT / CN2024 / 099419, PCT / CN2024 / 099072, CN 117979755A, CN117998900A, CN117062489A, CN117580403A, CN116583155A, CN116669477A, ​​CN117396039A, CN116669480A, CN116600606A, and CN117500332A record relevant contents of the isolation structure 200.

[0092] The embodiment of the first aspect of the present application further provides a display panel, comprising: a substrate 100, a driving circuit layer 110, an insulating layer 600, a first electrode layer and an isolation structure 200; the driving circuit layer 110 is arranged on one side of the substrate 100; the insulating layer 600 is arranged on the side of the driving circuit layer 110 away from the substrate 100; the first electrode layer is arranged on the side of the insulating layer 600 away from the substrate 100; the isolation structure 200 is arranged on the side of the insulating layer 600 away from the substrate 100, the isolation structure 200 encloses to form an isolation opening 210, the isolation opening 210 includes a first isolation opening 211, a second isolation opening 212 and a third isolation opening 213, the isolation structure 200 includes a first segment 220 and a second segment 230, the first segment 220 extends along a second direction Y, the first segment 220 has a first width N along the first direction X, the second segment 230 extends along the first direction X, the second segment 230 has a second width M along the second direction Y, and the first width N is greater than the second width degree M; wherein the insulating layer 600 is provided with a first via hole 610, a second via hole 620 and a third via hole 630, the orthographic projections of the first via hole 610, the second via hole 620 and the third via hole 630 on the substrate 100 at least partially overlap with the orthographic projection of the first segment 220 on the substrate 100, the first electrode layer includes a first sub-electrode 410 located at the first isolation opening 211, a second sub-electrode 420 located at the second isolation opening 212 and a third sub-electrode 430 located at the third isolation opening 213, part of the first sub-electrode 410 extends to the side of the first segment 220 facing the substrate 100 and is electrically connected to the drive circuit layer 110 through the first via hole 610, part of the second sub-electrode 420 extends to the side of the first segment 220 facing the substrate 100 and is electrically connected to the drive circuit layer 110 through the second via hole 620, and part of the third sub-electrode 430 extends to the side of the first segment 220 facing the substrate 100 and is electrically connected to the drive circuit layer 110 through the third via hole 630.

[0093] In this embodiment, the first via hole 610, the second via hole 620 and the third via hole 630 are all arranged on the side of the first segment 220 facing the substrate 100, which is conducive to reducing the width of the isolation structure 200 except the first segment 220, that is, the width of the second segment 230 can be reduced, thereby improving the resolution of the display panel and improving the display effect. The first segment 220 can cover at least part of the first via hole 610, the second via hole 620 and the third via hole 630, and can improve the flatness of the area except the first segment 220. The first segment 220 can provide protection for the first via hole 610, the second via hole 620 and the third via hole 630, thereby improving the performance of the display panel.

[0094] In some optional embodiments, the specific configuration and effects of the isolation structure 200 , the isolation opening 210 , the first electrode layer, etc. are as described above and will not be elaborated herein.

[0095] The embodiment of the second aspect of the present application also provides a display device, including the display panel of any of the above-mentioned embodiments of the first aspect. Since the display device provided by the embodiment of the second aspect of the present application includes the display panel of any of the above-mentioned embodiments 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 of any of the above-mentioned embodiments of the first aspect, which will not be repeated here.

[0096] 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.

[0097] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A display panel, characterized in that: include: substrate; A driving circuit layer is arranged on one side of the substrate; An insulating layer, disposed on a side of the driving circuit layer away from the substrate; A first electrode layer is disposed on a side of the insulating layer away from the substrate; An isolation structure is arranged on a side of the insulating layer away from the substrate, the isolation structure encloses an isolation opening, the isolation opening includes a first isolation opening, a second isolation opening and a third isolation opening, and the first isolation opening, the second isolation opening and the third isolation opening adjacent to each other constitute an opening repeating unit; In the same opening repeating unit, the second isolation opening and the third isolation opening are arranged side by side along the first direction, the first isolation opening is arranged on one side of the second isolation opening and the third isolation opening along the second direction, the isolation structure includes a first segment, at least part of the first segment is located between the second isolation opening and the third isolation opening, and the first direction intersects with the second direction; The insulating layer is provided with a first via hole, the orthographic projection of the first via hole on the substrate at least partially overlaps with the orthographic projection of the first segment on the substrate, the first electrode layer includes a first sub-electrode, at least part of the first sub-electrode is exposed by the first isolation opening, part of the first sub-electrode extends to the side of the first segment facing the substrate, and is electrically connected to the driving circuit layer through the first via hole.

2. The display panel according to claim 1, characterized in that: The orthographic projection area of ​​the first isolation opening on the substrate is greater than the orthographic projection area of ​​the second isolation opening on the substrate, and the orthographic projection area of ​​the first isolation opening on the substrate is greater than the orthographic projection area of ​​the third isolation opening on the substrate.

3. The display panel according to claim 1, characterized in that: In the same opening repeating unit, part of the first segment extends from between the second isolation opening and the third isolation opening along the second direction to one side of the first isolation opening in the second direction, and the first segment includes a first sub-segment and a second sub-segment, the first sub-segment is located between the second isolation opening and the third isolation opening, and the second sub-segment is located between the first sub-segment and the first isolation opening; Preferably, an orthographic projection of the first via hole on the substrate at least partially overlaps with an orthographic projection of the second subsegment on the substrate.

4. The display panel according to claim 3, characterized in that: The insulating layer is further provided with a second via hole and a third via hole, and an orthographic projection of at least one of the second via hole and the third via hole on the substrate at least partially overlaps with an orthographic projection of the first segment on the substrate; Preferably, the first electrode layer also includes a second sub-electrode at least partially located in the second isolation opening and a third sub-electrode at least partially located in the third isolation opening, the second sub-electrode extends to the side of the first segment in the same opening repeating unit facing the substrate, and is electrically connected to the driving circuit layer through the second via hole, and the third sub-electrode extends to the side of the first segment in the same opening repeating unit facing the substrate, and is electrically connected to the driving circuit layer through the third via hole.

5. The display panel according to claim 4, characterized in that: The orthographic projection of the second via on the substrate at least partially overlaps with the orthographic projection of the first subsegment on the substrate; And / or, an orthographic projection of the third via hole on the substrate at least partially overlaps with an orthographic projection of the first subsegment on the substrate.

6. The display panel according to claim 1, characterized in that: The isolation structure further includes a second segment, wherein the second segment is located between the first isolation opening and the second isolation opening in the same opening repeating unit; and / or, the second segment is located between the first isolation opening and the third isolation opening in the same opening repeating unit; The first segment has a first width along the first direction, the second segment has a second width along the first direction, and the first width is greater than the second width; Preferably, the first segment and the second segment are connected.

7. The display panel according to claim 6, characterized in that: A plurality of the opening repeating units are arranged side by side along the first direction and / or the second direction; Preferably, the isolation structure further includes a third segment, the third segment surrounds at least a portion of the open repeating unit, a portion of the third segment extends along the second direction and has a third width along the first direction, a portion of the third segment extends along the first direction and has a seventh width along the second direction, and the first width is greater than the third width and / or the seventh width; Preferably, the second width is equal to the third width and / or the seventh width.

8. The display panel according to claim 7, characterized in that: A sum of dimensions of the second isolation opening, the first segment, and the third isolation opening along the first direction is equal to a dimension of the first isolation opening along the first direction.

9. The display panel according to claim 1, characterized in that: The first sub-electrode comprises a first main body portion and a first connecting portion connected to each other, an orthographic projection of the first main body portion on the substrate at least partially overlaps with an orthographic projection of the first isolation opening on the substrate, an orthographic projection of the first connecting portion on the substrate at least partially overlaps with an orthographic projection of the first segment on the substrate, and the first connecting portion is electrically connected to the driving circuit layer through the first via hole; Preferably, the first connecting portion has a fourth width along the first direction, the first segment has a first width along the first direction, and the first width is greater than the fourth width.

10. The display panel according to claim 4, characterized in that: The second sub-electrode comprises a second main body portion and a second connecting portion connected to each other, the orthographic projection of the second main body portion on the substrate at least partially overlaps with the orthographic projection of the second isolation opening on the substrate, the orthographic projection of the second connecting portion on the substrate at least partially overlaps with the orthographic projection of the first segment on the substrate, and the second connecting portion is electrically connected to the driving circuit layer through the second via hole; Preferably, the second connecting portion has a fifth width along the first direction, the first segment has a first width along the first direction, and the first width is greater than the fifth width.

11. The display panel according to claim 4, characterized in that: The third sub-electrode comprises a third main body portion and a third connecting portion connected to each other, the orthographic projection of the third main body portion on the substrate at least partially overlaps with the orthographic projection of the third isolation opening on the substrate, the orthographic projection of the third connecting portion on the substrate at least partially overlaps with the orthographic projection of the first segment on the substrate, and the third connecting portion is electrically connected to the driving circuit layer through the third via hole; Preferably, the third connecting portion has a sixth width along the first direction, the first segment has a first width along the first direction, and the first width is greater than the sixth width.

12. The display panel according to claim 2, characterized in that: The display panel also includes a light-emitting layer, which is arranged on the side of the first electrode layer away from the substrate, and the light-emitting layer includes a first light-emitting unit, a second light-emitting unit and a third light-emitting unit, the first light-emitting unit is located at the first isolation opening, the second light-emitting unit is located at the second isolation opening, and the third light-emitting unit is located at the third isolation opening, the first light-emitting unit is used to emit blue light, the second light-emitting unit is used to emit one of red light or green light, and the third light-emitting unit is used to emit the other of red light or green light.

13. The display panel according to claim 1, characterized in that: The isolation structure includes a first sublayer and a second sublayer, wherein the second sublayer is located on a side of the first sublayer facing away from the substrate, and an orthographic projection of the first sublayer on the substrate is located within an orthographic projection of the second sublayer on the substrate.

14. The display panel according to claim 13, characterized in that: The isolation structure further includes a third sublayer, and the third sublayer is arranged on a side of the first sublayer facing the substrate; Preferably, the orthographic projection of the first sub-layer on the substrate is located within the orthographic projection of the third sub-layer on the substrate.

15. A display panel, characterized in that: include: substrate; A driving circuit layer is arranged on one side of the substrate; An insulating layer, disposed on a side of the driving circuit layer away from the substrate; A first electrode layer is disposed on a side of the insulating layer facing away from the substrate; an isolation structure, arranged on a side of the insulating layer away from the substrate, the isolation structure encloses an isolation opening, the isolation opening comprises a first isolation opening, a second isolation opening and a third isolation opening, the isolation structure comprises a first segment and a second segment, the first segment extends along a second direction, the first segment has a first width along the first direction, the second segment extends along the first direction, the second segment has a second width along the second direction, the first width is greater than the second width, and the first direction and the second direction intersect; In which, the insulating layer is provided with a first via, a second via and a third via, the orthographic projections of the first via, the second via and the third via on the substrate at least partially overlap with the orthographic projection of the first segment on the substrate, the first electrode layer includes a first sub-electrode located at the first isolation opening, a second sub-electrode located at the second isolation opening and a third sub-electrode located at the third isolation opening, part of the first sub-electrode extends to the first segment toward the side of the substrate and is electrically connected to the driving circuit layer through the first via, part of the second sub-electrode extends to the first segment toward the side of the substrate and is electrically connected to the driving circuit layer through the second via, and part of the third sub-electrode extends to the first segment toward the side of the substrate and is electrically connected to the driving circuit layer through the third via.

16. The display panel according to claim 15, characterized in that: The second isolation opening and the third isolation opening are arranged side by side along the first direction, the first isolation opening is arranged on one side of the second isolation opening and the third isolation opening along the second direction, the first segment is located between the second isolation opening and the third isolation opening, and the first direction intersects with the second direction.

17. The display panel according to claim 16, characterized in that: The orthographic projection area of ​​the first isolation opening on the substrate is greater than the orthographic projection area of ​​the second isolation opening on the substrate, and the orthographic projection area of ​​the first isolation opening on the substrate is greater than the orthographic projection area of ​​the third isolation opening on the substrate.

18. A display device, characterized in that: A display panel comprising any one of claims 1-17.

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