Display panel

Abstract

The embodiment of the invention provides a display panel which comprises a substrate, a pixel defining layer, a light emitting layer, an isolation structure and a first conductive layer, the pixel defining layer is located on one side of the substrate and comprises a pixel limiting part, and a pixel opening is defined by the pixel limiting part. The light-emitting layer is located on one side of the substrate and comprises a plurality of functional layers; the isolation structure encloses to form an isolation opening; the first conductive layer comprises a first electrode and an antenna electrode, the first electrode is located in the isolation opening and located on the side, away from the substrate, of the light-emitting functional layer, and at least part of the antenna electrode is located on the side, away from the substrate, of the isolation structure. According to the display panel, the isolation structure is arranged, so that the first conductive layer is separated into the first electrode located in the isolation opening and the antenna electrode located outside the isolation opening at the isolation structure, the first electrode is not influenced to supply power to the light-emitting functional layer, the antenna electrode is arranged in the display area of the display panel, and the antenna transmission performance is improved; and the use performance of the display panel is improved.

Description

Technical Field

[0001] The present application relates to the technical field of display devices, 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 OLED display products needs to be improved. Summary of the invention

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

[0005] An embodiment of the first aspect of the present application provides a display panel, comprising a substrate; a pixel definition layer, located on one side of the substrate and including a pixel defining portion, the pixel defining portion encloses a pixel opening; a light-emitting layer, located on one side of the substrate, the light-emitting layer including a plurality of light-emitting functional layers, at least part of the light-emitting functional layers being located at the pixel opening; an isolation structure, located on a side of the pixel defining portion away from the substrate, the isolation structure encloses an isolation opening, the pixel opening is connected to the isolation opening; a first conductive layer, the isolation structure being used to isolate the first conductive layer to form a first electrode and an antenna electrode, the first electrode being located in the isolation opening and on a side of the light-emitting functional layer away from the substrate, at least part of the antenna electrode being located on a side of the isolation structure away from the substrate.

[0006] According to an implementation scheme of the first aspect of the present application, the isolation structure includes a first surface facing away from the substrate and a second surface facing the substrate, and the orthographic projection of the second surface on the substrate is located within the orthographic projection of the first surface on the substrate; optionally, at least part of the first electrode is connected to the isolation structure, and at least part of the antenna electrode is located on the side of the first surface facing away from the substrate; optionally, the first electrode and the antenna electrode are insulated from each other; optionally, the material of the isolation structure includes an insulating material; optionally, the material of the isolation structure includes at least one of an organic material or an inorganic material.

[0007] According to an embodiment of the first aspect of the present application, the isolation structure includes a first sub-portion and a second sub-portion located on a side of the first sub-portion facing away from the substrate, and the orthographic projection of the first sub-portion on the substrate is located within the orthographic projection of the second sub-portion on the substrate.

[0008] According to the implementation of the first aspect of the present application, it also includes: a support column, which is located on the same side of the substrate as the light-emitting layer, and the orthographic projection of the support column on the substrate is located outside the orthographic projection of the light-emitting functional layer on the substrate, and the support column includes a third surface away from the substrate, and the distance from the third surface to the substrate is greater than the distance from the surface of the isolation structure away from the substrate to the substrate; optionally, the orthographic projection of the support column on the substrate is located outside the orthographic projection of the isolation structure on the substrate; optionally, the support column also includes a fourth surface facing the substrate, and the orthographic projection of the third surface on the substrate is located within the orthographic projection of the fourth surface on the substrate; optionally, the support column is located on the side of the pixel defining portion away from the substrate; optionally, the isolation structure and the support column are both located on the side of the same pixel defining portion away from the substrate; optionally, at least part of the first electrode extends to the third surface; optionally, at least part of the first electrode extends to the first opening; optionally, at least part of the first electrode extends to the side walls on both sides of the support column; optionally, the first electrode extending from the first opening to the side wall of the support column away from the first opening is continuously arranged. According to the implementation of the first aspect of the present application, the light-emitting layer also includes a light-emitting sub-portion, and at least part of the light-emitting sub-portion is located between the isolation structure and the antenna electrode.

[0009] According to an implementation scheme of the first aspect of the present application, a circuit structure is provided in the substrate; the pixel defining portion further encloses a first opening, the isolation structure further encloses a second opening, the first opening is connected to the second opening, and at least part of the antenna electrode extends from the side of the isolation structure away from the substrate to the first opening and the second opening and is electrically connected to the circuit structure; optionally, the circuit structure is an antenna signal routing, and the antenna signal routing is used to provide an antenna signal to the antenna electrode.

[0010] According to an implementation of the first aspect of the present application, the display panel includes a display area and a non-display area surrounding at least part of the display area, and at least part of the circuit structure extends from the display area to the non-display area.

[0011] According to an implementation scheme of the first aspect of the present application, the support column includes a third sub-section and a fourth sub-section that are interconnected, the third sub-section having an orthographic projection on the substrate located outside the orthographic projection of the substrate on a surface of the isolation structure facing away from the substrate, and the fourth sub-section located on a side of the isolation structure facing away from the substrate and overlapping with the surface of the isolation structure facing away from the substrate; optionally, the fourth sub-section overlaps with a side wall of the isolation structure on a side close to the support column; optionally, at least part of the antenna electrode extends from a side of the isolation structure facing away from the substrate to a side of the support column facing away from the substrate.

[0012] According to an implementation of the first aspect of the present application, the orthographic projections of at least two adjacent light-emitting functional layers on the substrate are located within the orthographic projection of the same isolation opening on the substrate.

[0013] An embodiment of the second aspect of the present application further provides a display device, comprising the display panel provided by any of the above-mentioned embodiments of the first aspect.

[0014] In the display panel provided in the embodiment of the present application, it includes a substrate, a pixel definition layer, a light-emitting layer, an isolation structure and a first conductive layer. The pixel definition layer is located on one side of the substrate and includes a pixel definition portion, and the pixel definition portion encloses to form a pixel opening. The light-emitting layer is located on one side of the substrate, and the light-emitting layer includes a plurality of light-emitting functional layers, at least part of which is located at the pixel opening; the isolation structure is located on the side of the pixel definition portion away from the substrate, and the isolation structure encloses to form an isolation opening; the isolation structure is used to separate the first conductive layer to form a first electrode and an antenna electrode, the first electrode is located in the isolation opening and on the side of the light-emitting functional layer away from the substrate, and at least part of the antenna electrode is located on the side of the isolation structure away from the substrate. The present application sets an isolation structure so that the isolation structure encloses to form an isolation opening, and the first conductive layer is separated at the isolation structure into a first electrode located in the isolation opening and an antenna electrode located outside the isolation opening, which does not affect the first electrode supplying power to the light-emitting functional layer, and also realizes the arrangement of the antenna electrode in the display area of ​​the display panel, improves the antenna transmission performance, and thus improves the performance of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] 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.

[0016] Figure 1 is a top view of a display panel provided in an embodiment of the present application;

[0017] Figure 2 It is an example Figure 1 Sectional view at AA in the middle;

[0018] Figure 3 Another example is Figure 1 Sectional view at AA in the middle;

[0019] Figure 4 This is another example Figure 1 Sectional view at AA in the middle;

[0020] Figure 5 It is another example Figure 1 Sectional view at AA in the middle;

[0021] Figure 6 It is another example Figure 1 Sectional view at AA in the middle;

[0022] Figure 7 is a top view of another exemplary display panel;

[0023] Figure 8 It is an example Figure 7Sectional view at the middle BB;

[0024] Fig. 9 It is another example Figure 1 Cross-sectional view at AA in the middle.

[0025] Description of reference numerals:

[0026] 10. Display panel;

[0027] 100. substrate; 110. circuit structure;

[0028] 200, light-emitting layer; 210, light-emitting functional layer; 220, light-emitting subunit;

[0029] 300, isolation structure; 310, isolation opening; 320, first surface; 330, second surface; 340, first sub-section; 350, second sub-section; 360, second opening;

[0030] 400, first conductive layer; 410, first electrode; 420, antenna electrode; 430, second conductive layer; 431, second electrode;

[0031] 500, support column; 510, third surface; 520, fourth surface; 530, third sub-section; 540, fourth sub-section;

[0032] 600, pixel definition layer; 610, pixel definition portion; 620, pixel opening; 630, first opening;

[0033] 700, auxiliary electrode;

[0034] AA, display area; NA, non-display area; z, thickness direction. DETAILED DESCRIPTION

[0035] 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.

[0036] 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.

[0037] 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.

[0038] In order to better understand this application, Figures 1 to 9 The display panel and the display device of the embodiment of the present application are described in detail, wherein the z direction is the thickness direction of the display panel.

[0039] Please also read Figure 1 and Figure 2 , Figure 1 is a top view of a display panel provided in an embodiment of the present application; Figure 2 It is an example Figure 1 Cross-sectional view at AA in the middle.

[0040] like Figure 1 and Figure 2As shown, an embodiment of the first aspect of the present application provides a display panel 10, which includes a substrate 100, a pixel definition layer 600, a light-emitting layer 200, an isolation structure 300, and a first conductive layer 400. The pixel definition layer 600 is located on one side of the substrate 100 and includes a pixel definition portion 610, and the pixel definition portion 610 encloses a pixel opening 620. At least part of the light-emitting functional layer 210 is located in the pixel opening 620, the light-emitting layer 200 is located on one side of the substrate 100, the light-emitting layer 200 includes a plurality of light-emitting functional layers 210, and at least part of the light-emitting functional layer 210 is located in the pixel opening 620. The isolation structure 300 and the light-emitting layer 200 are located on the same side of the substrate 100, the isolation structure 300 encloses an isolation opening 310, and the pixel opening 620 is connected to the isolation opening 310. The isolation structure 300 is used to isolate the first conductive layer 400 to form a first electrode 410 and an antenna electrode 420. The first electrode 410 is located in the isolation opening 310 and on the side of the light-emitting functional layer 210 away from the substrate 100. At least part of the antenna electrode 420 is located on the side of the isolation structure 300 away from the substrate 100.

[0041] Optionally, there are multiple ways to set the substrate 100. The substrate 100 may include a substrate and a first metal layer, a second metal layer, and a third metal layer that are arranged on one side of the substrate and are stacked. An insulating layer is provided between adjacent metal layers. Optionally, a driver device layer is provided on the substrate, and a pixel driving circuit is provided in the driver device layer. The pixel driving circuit includes a transistor and a storage capacitor. The transistor includes a semiconductor, a gate, a source and a drain. The storage capacitor includes a first plate and a second plate. As an example, the gate and the first plate can be located in the first metal layer, the second plate can be located in the second metal layer, and the source and drain can be located in the third metal layer.

[0042] Optionally, the material of the isolation structure 300 includes an insulating material, and the first electrode 410 is insulated from the antenna electrode 420. The isolation structure 300 may be made of an organic material or an inorganic material.

[0043] Optionally, the isolation opening 310 is completely or partially enclosed by the isolation structure 300 .

[0044] Optionally, the first electrode 410 is electrically connected to the light-emitting functional layer 210 , and the first electrode 410 is used to supply power to the light-emitting functional layer 210 .

[0045] Optionally, the distance between the first electrode 410 and the antenna electrode 420 along the thickness direction of the display panel 10 may affect the performance of the antenna electrode 420. During the manufacturing process of the display panel 10, the distance between the antenna electrode 420 and the first electrode 410 may be matched according to the required performance of the antenna electrode 420, and then the required height and gradient angle of the isolation structure 300 may be obtained according to the distance.

[0046] Optionally, the antenna electrode 420 on the side of the isolation structure 300 facing away from the substrate 100 is continuously arranged, which can facilitate the patterning of the antenna electrode 420 and improve the performance of the antenna electrode 420 .

[0047] Optionally, the display panel 10 further includes a second conductive layer 430, and the second conductive layer 430 includes a second electrode 431 located on the side of the light-emitting functional layer 210 facing the substrate 100. The first electrode 410 and the second electrode 431 are both electrically connected to the light-emitting functional layer 210, and the second electrode 431 and the first electrode 410 provide power to the light-emitting functional layer 210 to drive the light-emitting functional layer 210 to emit light. Specifically, one of the second electrode 431 and the first electrode 410 is an anode, and the other is a cathode. The embodiment of the present application is described by taking the second electrode 431 as an anode and the first electrode 410 as a cathode.

[0048] Optionally, the projection shape of the antenna electrode 420 is at least one of a circle and a polygon.

[0049] The display panel 10 provided in the present application is provided with an isolation structure 300 so that the isolation structure 300 encloses an isolation opening 310, and the first conductive layer 400 evaporated on the entire surface is separated at the isolation structure 300 into a first electrode 410 located in the isolation opening 310 and an antenna electrode 420 located outside the isolation opening 310. This does not affect the first electrode 410 supplying power to the light-emitting functional layer 210, and also achieves the arrangement of the antenna electrode 420 in the display area AA of the display panel 10. The antenna electrode 420 is arranged on the display panel 10, and the antenna electrode 420 is not easily blocked or shielded by the user's fingers and the metal frame, thereby improving the antenna transmission performance, and further improving the performance of the display panel 10.

[0050] In some optional embodiments, the isolation structure 300 includes a first surface 320 facing away from the substrate 100 and a second surface 330 facing the substrate 100 , and an orthographic projection of the second surface 330 on the substrate 100 is located within an orthographic projection of the first surface 320 on the substrate 100 .

[0051] Optionally, at least a portion of the first electrode 410 is connected to the isolation structure 300 , and at least a portion of the antenna electrode 420 is located on a side of the first surface 320 facing away from the substrate 100 .

[0052] The display panel 10 provided in the present application is configured such that the isolation structure 300 includes a first surface 320 and a second surface 330, and the orthographic projection of the second surface 330 on the substrate 100 is located within the orthographic projection of the first surface 320 on the substrate 100, so that the cross-sectional shape of the isolation structure 300 is an inverted trapezoid, and thus the first conductive layer 400 is isolated by the isolation structure 300 during preparation and forms a first electrode 410 and an antenna electrode 420 that are not connected to each other, which does not affect the first electrode 410 supplying power to the light-emitting functional layer 210, and also realizes the arrangement of the antenna electrode 420 in the display area AA of the display panel 10.

[0053] Please refer to Figure 3 , Figure 3 Another example is Figure 1 Cross-sectional view at AA in the middle.

[0054] like Figure 3 As shown, in some optional embodiments, the isolation structure 300 includes a first sub-portion 340 and a second sub-portion 350 located on the side of the first sub-portion 340 facing away from the substrate 100, and the orthographic projection of the first sub-portion 340 on the substrate 100 is located within the orthographic projection of the second sub-portion 350 on the substrate 100.

[0055] The display panel 10 provided in the present application makes the orthographic projection of the first sub-portion 340 on the substrate 100 be located within the orthographic projection of the second sub-portion 350 on the substrate 100, so that the isolation structure 300 includes a roof-shaped second sub-portion 350, and the first conductive layer 400 is isolated by the isolation structure 300 during preparation and forms a first electrode 410 and an antenna electrode 420 that are not connected to each other, which does not affect the first electrode 410 supplying power to the light-emitting functional layer 210 and also realizes the arrangement of the antenna electrode 420 in the display area AA of the display panel 10.

[0056] Please refer to Figure 4 , Figure 4 This is another example Figure 1 Cross-sectional view at AA in the middle.

[0057] like Figure 4 As shown, in some optional embodiments, the display panel 10 further includes a support column 500, the support column 500 and the light-emitting layer 200 are located on the same side of the substrate 100, and the orthographic projection of the support column 500 on the substrate 100 is located outside the orthographic projection of the light-emitting functional layer 210 on the substrate 100. The support column 500 includes a third surface 510 facing away from the substrate 100, and the distance from the third surface 510 to the substrate 100 is greater than the distance from the surface of the isolation structure 300 facing away from the substrate 100 to the substrate 100.

[0058] Optionally, the support column 500 is located on a side of the pixel defining portion 610 facing away from the substrate 100 .

[0059] Optionally, the isolation structure 300 and the support column 500 are both located on the side of the same pixel defining portion 610 facing away from the substrate 100 , which can improve the problem of the mask scratching the display panel 10 .

[0060] Optionally, the orthographic projection of the support column 500 on the substrate 100 is located outside the orthographic projection of the isolation structure 300 on the substrate 100 , and the support column 500 does not overlap with the isolation structure 300 .

[0061] Optionally, the support column 500 further includes a fourth surface 520 facing the substrate 100, and the orthographic projection of the third surface 510 on the substrate 100 is located within the orthographic projection of the fourth surface 520 on the substrate 100. The cross-sectional shape of the support column 500 is a regular trapezoid.

[0062] Optionally, at least a portion of the first electrode 410 extends to the third surface 510 .

[0063] Optionally, at least a portion of the first electrode 410 extends to the first opening 630 .

[0064] Optionally, at least a portion of the first electrode 410 extends to the side walls on both sides of the support pillar 500 .

[0065] Optionally, the first electrode 410 extending from the first opening 630 to the side wall of the support pillar 500 facing away from the first opening 630 is continuously provided.

[0066] The display panel 10 provided in the present application is provided with a support column 500 to support the mask during the evaporation process to prevent the mask from scratching the display panel 10. By making the distance from the third surface 510 to the substrate 100 greater than the distance from the first surface 320 to the substrate 100, the upper surface of the support column 500 is higher than the upper surface of the isolation structure 300, thereby ensuring that the support functionality of the support column 500 is not affected.

[0067] In some optional embodiments, the light-emitting layer 200 further includes a light-emitting sub-portion 220 , and at least a portion of the light-emitting sub-portion 220 is located between the isolation structure 300 and the antenna electrode 420 .

[0068] In these optional embodiments, the entire surface of the light-emitting layer 200 evaporated will also be separated at the isolation opening 310 during the evaporation to form the light-emitting functional layer 210 and the light-emitting sub-section 220 that are spaced apart.

[0069] Please refer to Figure 5 , Figure 5 It is another example Figure 1 Cross-sectional view at AA in the middle.

[0070] like Figure 1 and Figure 5As shown, in some optional embodiments, a circuit structure 110 is provided in the substrate 100. The pixel defining portion 610 further encloses a first opening 630, and the isolation structure 300 further encloses a second opening 360, and the first opening 630 is connected to the second opening 360. At least part of the antenna electrode 420 extends from the side of the isolation structure 300 away from the substrate 100 to the first opening 630 and the second opening 360 and is electrically connected to the circuit structure 110.

[0071] Optionally, the circuit structure 110 is an antenna signal routing line for providing an antenna signal to the antenna electrode 420. The circuit structure 110 can be arranged in any metal layer of the substrate 100, such as the second metal layer or the third metal layer. Optionally, the display panel 10 includes a display area AA and a non-display area NA surrounding at least a portion of the display area AA, and at least a portion of the circuit structure 110 extends from the display area AA to the non-display area NA. A flexible circuit board is provided on the non-display area NA, and a radio frequency integrated circuit is provided on the flexible circuit board. The antenna electrode 420 is electrically connected to the radio frequency integrated circuit through the circuit structure 110 and the flexible circuit board.

[0072] The display panel 10 provided in the present application, by setting a first opening 630 on the pixel definition layer 600 and a second opening 360 on the isolation structure 300 as a via, enables the antenna electrode 420 to be electrically connected to the circuit structure 110 located on the substrate 100 through the via, and is electrically connected to the radio frequency integrated circuit of the non-display area NA through the circuit structure 110 and the flexible circuit board.

[0073] Please refer to Figure 6 , Figure 6 It is another example Figure 1 Cross-sectional view at AA in the middle.

[0074] like Figure 6 As shown, in some optional embodiments, the support column 500 includes a third sub-section 530 and a fourth sub-section 540 that are interconnected, the third sub-section 530 has an orthographic projection on the substrate 100 and a surface of the isolation structure 300 that is away from the substrate 100 that is outside the orthographic projection of the substrate 100, and the fourth sub-section 540 is located on the side of the isolation structure 300 that is away from the substrate 100 and overlaps with the surface of the isolation structure 300 that is away from the substrate 100.

[0075] Optionally, the fourth sub-portion 540 overlaps with a side wall of the isolation structure 300 close to the support column 500 .

[0076] Optionally, at least a portion of the light emitting sub-section 220 is located between the isolation structure 300 and the antenna electrode 420 .

[0077] Optionally, at least a portion of the first electrode 410 extends to the third surface 510 of the support pillar 500 facing away from the substrate 100 .

[0078] Optionally, at least a portion of the antenna electrode 420 extends from a side of the isolation structure 300 facing away from the substrate 100 to a side of the support pillar 500 facing away from the substrate 100 .

[0079] Optionally, at least a portion of the antenna electrode 420 extends from a side of the isolation structure 300 facing away from the substrate 100 to the first opening 630 and is electrically connected to the circuit structure 110 .

[0080] Optionally, the circuit structure 110 is an antenna signal routing line for providing an antenna signal to the antenna electrode 420. The display panel 10 provided in the present application makes the fourth sub-portion 540 located on the side of the isolation structure 300 away from the substrate 100 and overlaps with the surface of the isolation structure 300 away from the substrate 100, so that at least part of the support column 500 extends to the upper surface of the isolation structure 300, reducing the overall projection area of ​​the isolation structure 300 and the support column 500, thereby increasing the aperture ratio of the isolation opening 310 and the pixel opening 620, and improving the pixel density of the display panel 10.

[0081] Please refer to Figure 7 and Figure 8 , Figure 7 is a top view of another exemplary display panel; Figure 8 It is an example Figure 1 Cross-sectional view at the middle BB.

[0082] like Figure 7 and Figure 8 As shown, in some optional embodiments, the orthographic projections of at least two adjacent light-emitting functional layers 210 on the substrate 100 are located within the orthographic projection of the same isolation opening 310 on the substrate 100 .

[0083] Optionally, the orthographic projection of each isolation opening 310 on the substrate 100 is adjacent to the orthographic projection of the non-display area NA on the substrate 100. Each isolation opening 310 is formed by partially enclosing the isolation structure 300, that is, there is a gap when the isolation structure 300 encloses the isolation opening 310, and the gap of each isolation opening 310 faces the non-display area NA, so that the first electrode 410 corresponding to each light-emitting functional layer 210 can extend from the display area AA to the non-display area NA through the gap, thereby preventing the insulating isolation structure 300 from blocking the wiring of the first electrode 410.

[0084] Optionally, the more metal wiring connections the isolation structure 300 has, the smaller the resistance is, the smaller the performance loss of the antenna electrode 420 is, and it is also beneficial to the optical display effect.

[0085] Optionally, the antenna electrode 420 formed on the first surface 320 of the isolation structure 300 can be externally connected to a flexible printed circuit (FPC), which has a radio frequency integrated circuit (RF IC) to reduce energy path transmission loss of the antenna electrode 420.

[0086] In some optional embodiments, the display panel 10 further includes

[0087] Please refer to Fig. 9 , Fig. 9 It is another example Figure 1 Cross-sectional view at AA in the middle.

[0088] like Fig. 9 As shown, in some optional embodiments, the display panel 10 may further include an auxiliary electrode 700, which is located at any metal layer on the substrate 100 and is electrically connected to the first electrode 410 through a via hole opened on the pixel defining portion 610, so that the auxiliary electrode 700 corresponding to each light-emitting functional layer 210 can be extended from the display area AA to the non-display area NA.

[0089] 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 third aspect of the present application includes the display panel of any of the above-mentioned embodiments, the display device provided by the embodiment of the third aspect of the present application has the beneficial effects of the display panel of any of the above-mentioned embodiments, which will not be repeated here.

[0090] 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.

[0091] 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 pixel definition layer, located on one side of the substrate and comprising a pixel defining portion, wherein the pixel defining portion encloses a pixel opening; A light-emitting layer, located on one side of the substrate, the light-emitting layer includes a plurality of light-emitting functional layers, at least part of the light-emitting functional layers are located in the pixel opening; An isolation structure, located at a side of the pixel defining portion away from the substrate, the isolation structure encloses to form an isolation opening, and the pixel opening is connected to the isolation opening; A first conductive layer, wherein the isolation structure is used to isolate the first conductive layer to form a first electrode and an antenna electrode, the first electrode is located in the isolation opening and on the side of the light-emitting functional layer away from the substrate, and at least part of the antenna electrode is located on the side of the isolation structure away from the substrate.

2. The display panel according to claim 1, characterized in that: The isolation structure comprises a first surface facing away from the substrate and a second surface facing the substrate, wherein an orthographic projection of the second surface on the substrate is located within an orthographic projection of the first surface on the substrate; Preferably, at least part of the first electrodes is connected to the isolation structure, and at least part of the antenna electrodes is located on a side of the first surface away from the substrate; Preferably, the first electrode is insulated from the antenna electrode; Preferably, the material of the isolation structure includes insulating material; Preferably, the material of the isolation structure includes at least one of an organic material or an inorganic material.

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

4. The display panel according to claim 1, characterized in that: Also includes: A support column, which is located on the same side of the substrate as the light-emitting layer, wherein the orthographic projection of the support column on the substrate is located outside the orthographic projection of the light-emitting functional layer on the substrate, and the support column includes a third surface facing away from the substrate, and the distance from the third surface to the substrate is greater than the distance from the surface of the isolation structure facing away from the substrate to the substrate; Preferably, the orthographic projection of the support column on the substrate is located outside the orthographic projection of the isolation structure on the substrate; Preferably, the support column further comprises a fourth surface facing the substrate, and the orthographic projection of the third surface on the substrate is located within the orthographic projection of the fourth surface on the substrate; Preferably, the support column is located on a side of the pixel defining portion away from the substrate; Preferably, the isolation structure and the support column are both located on a side of the same pixel defining portion away from the substrate; Preferably, at least part of the first electrode extends to the third surface; Preferably, at least part of the first electrode extends to the first opening; Preferably, at least part of the first electrode extends to the side walls on both sides of the support column; Preferably, the first electrode extending from the first opening to the side wall of the support column away from the first opening is continuously arranged.

5. The display panel according to claim 1, characterized in that: The light-emitting layer further includes a light-emitting sub-portion, and at least a portion of the light-emitting sub-portion is located between the isolation structure and the antenna electrode.

6. The display panel according to claim 1, characterized in that: The substrate is provided with a circuit structure; the pixel defining portion further encloses a first opening, the isolation structure further encloses a second opening, the first opening is connected to the second opening, and at least part of the antenna electrode extends from a side of the isolation structure away from the substrate to the first opening and the second opening and is electrically connected to the circuit structure; Preferably, the circuit structure is an antenna signal routing line, and the antenna signal routing line is used to provide an antenna signal for the antenna electrode.

7. The display panel according to claim 6, characterized in that: The display panel includes a display area and a non-display area surrounding at least a portion of the display area, and at least a portion of the circuit structure extends from the display area to the non-display area.

8. The display panel according to claim 4, characterized in that: The support column comprises a third sub-portion and a fourth sub-portion connected to each other, wherein the orthographic projection of the third sub-portion on the substrate is located outside the orthographic projection of the substrate on the surface of the isolation structure facing away from the substrate, and the fourth sub-portion is located on the side of the isolation structure facing away from the substrate and overlaps with the surface of the isolation structure facing away from the substrate; Preferably, the fourth sub-portion overlaps the side wall of the isolation structure close to the support column; Preferably, at least a portion of the antenna electrode extends from a side of the isolation structure facing away from the substrate to a side of the support column facing away from the substrate.

9. The display panel according to claim 1, characterized in that: The orthographic projections of at least two adjacent light-emitting functional layers on the substrate are located within the orthographic projection of the same isolation opening on the substrate.

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

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