Display panel, display device, and method for manufacturing display panel

Abstract

To improve safety performance of the whole display panel by improving sealing performance of a display panel and obtaining an excellent sealing effect by a light-emitting unit.SOLUTION: The present invention relates to a display panel 100, a display device, and a method for manufacturing the display panel. The display panel 100 includes: an array substrate 20; a plurality of light-emitting units 30; an isolation structure 40; and a sealing layer. The plurality of light-emitting units 30 is provided on the array substrate 20. The isolation structure 40 is provided on the array substrate 20 and separated from the light-emitting unit 30. The sealing layer includes a first sealing layer 50 provided on the side away from the array substrate 20 of the light-emitting unit 30. The orthographic projection of the light-emitting unit 30 on the array substrate 20 is located in the orthographic projection of the first sealing layer 50 on the array substrate 20. At least a part of a portion projecting from the light-emitting unit 30 of the first sealing layer 50 is overlapped and connected between the light-emitting unit 30 and the isolation structure 40.SELECTED DRAWING: Figure 5

Description

[Technical field]

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

[0002] Flat display panels, such as organic light emitting diode (OLED) panels and display panels using light emitting diode (LED) devices, have advantages such as high image quality, power saving, thinness, and wide range of applications, and therefore have been widely applied to various consumer electronic products such as mobile phones, televisions, personal digital assistants, digital cameras, notebook computers, and desktop computers, and have become the main display panels.

[0003] However, the performance of the sealing layer of the display panel in the related art is insufficient, and the etching solution is easily leaked, which ultimately leads to damage to the light-emitting units. Therefore, a new type of display panel is required. Summary of the Invention [Problem to be solved by the invention]

[0004] The embodiments of the present application provide a display panel, a display device, and a method for manufacturing the display panel. [Means for solving the problem]

[0005] In a first aspect, according to an embodiment of the present application, there is provided a display panel including an array substrate, a plurality of light-emitting units, an isolation structure, and a sealing layer, wherein the plurality of light-emitting units are disposed on the array substrate, the isolation structure is disposed on the array substrate and separates the light-emitting units, and the sealing layer includes a first sealing layer disposed on a side of the light-emitting units facing away from the array substrate, wherein the orthogonal projection of the light-emitting units on the array substrate is located within the orthogonal projection of the first sealing layer on the array substrate, and at least a portion of the first sealing layer protruding beyond the light-emitting units is overlapped and connected between the light-emitting units and the isolation structure.

[0006] According to one aspect of the present embodiment, adjacent first sealing layers are spaced apart from each other.

[0007] According to one aspect of an embodiment of the present application, the light-emitting unit includes a first electrode, a light-emitting functional layer, and a second electrode that are stacked in sequence along a direction away from the array substrate, and the sealing layer covers the second electrode, and at least a portion of the sealing layer that protrudes from the second electrode is overlapped and connected to the side away from the base of the array layer.

[0008] According to one aspect of an embodiment of the present application, the isolation structure is in direct contact with the array substrate and has a plurality of isolation openings for accommodating the light-emitting units, and the sealing layer covers the second electrodes and at least a portion of the sealing layer protruding from the second electrodes is directly overlapped and connected to the array substrate.

[0009] Preferably, the first electrode includes a plurality of first electrode portions located on the array substrate, and the isolation structure is provided between adjacent first electrode portions.

[0010] According to one aspect of an embodiment of the present application, a display panel includes a pixel definition layer provided on an array layer, an adjacent pixel definition layer has a plurality of pixel openings, an emission unit is provided in the pixel opening, an isolation structure is provided on a side of the pixel definition layer away from the array layer, and a first sealing layer covers a second electrode and at least a portion of the first sealing layer protruding from the second electrode is overlapped and connected to the pixel definition layer.

[0011] Preferably, the pixel openings correspond one-to-one with the isolation openings and penetrate each other.

[0012] Preferably, the isolation structure is a monolithic structure having a first surface remote from the array substrate and a second surface adjacent to the array substrate, the first surface being larger in size than the second surface in a cross section perpendicular to the array substrate.

[0013] Preferably, the isolation structure includes a first isolation portion and a second isolation portion stacked in sequence along a direction approaching the array substrate, the second isolation portion directly contacts the array substrate, and the orthogonal projection of the second isolation portion on the array substrate is located at the orthogonal projection of the first isolation portion on the array substrate.

[0014] According to one aspect of an embodiment of the present application, the isolation structure includes a first isolation portion, a second isolation portion, and a third isolation portion stacked in sequence along a direction adjacent to the array substrate, and the first sealing layer covers the second electrode, and at least a portion of the first sealing layer that extends beyond the second electrode is overlapped and connected to the third isolation portion.

[0015] Preferably, the third isolation portion is in direct contact with the array substrate, the orthogonal projection of the second isolation portion on the array substrate is located within the orthogonal projection of the first isolation portion on the array substrate and is located within the orthogonal projection of the third isolation portion on the array substrate, and the second electrode is overlaid and connected to the third isolation portion.

[0016] According to one aspect of the embodiment of the present application, a part of the sealing layer protruding from the second electrode is overlapped and connected to the third isolation portion, and the other part is overlapped and connected to the side wall of the second isolation portion.

[0017] Preferably, the first sealing layer is located below the first isolation portion and does not contact the first isolation portion, and the orthogonal projection of a portion of the first sealing layer on the array substrate is outside the orthogonal projection of the first isolation portion on the array substrate.

[0018] Preferably, the first sealing layer extends from the side wall of the second isolation portion to cover the first isolation portion, and a portion of the first sealing layer is overlapping and connected to the first isolation portion and is located on the side of the first isolation portion away from the second isolation portion.

[0019] According to one aspect of the embodiment of the present application, the height of the second isolation portion is 0.4 μm to 1.2 μm in a cross section of the display panel along the thickness direction of the display panel itself.

[0020] Preferably, in a cross section of the display panel taken along its thickness direction, the ratio of the length of the first isolated portion protruding from the second isolated portion to the height of the second isolated portion is 1.5 to 3.0.

[0021] According to one aspect of the embodiment of the present application, in a cross section of the display panel along its thickness direction, the length of the third isolation portion protruding from the second isolation portion is 0.4 μm to 3.0 μm.

[0022] According to one aspect of the embodiment of the present application, the sealing layer includes a second sealing layer and a third sealing layer stacked on the first sealing layer, the first sealing layer is arranged to cover the light-emitting unit, the second sealing layer is arranged between the first sealing layer and the third sealing layer, and at least a portion of the first sealing layer that protrudes beyond the light-emitting unit is overlapped and connected between the light-emitting unit and the isolation structure.

[0023] In a second aspect, according to an embodiment of the present application, there is further provided a display panel including an array substrate, a plurality of light-emitting units, an isolation structure, and a sealing layer, the plurality of light-emitting units are provided on the array substrate, the isolation structure is provided on the array substrate and separates the light-emitting units, the isolation structure includes a first isolation portion and a second isolation portion provided in a stacked manner from a direction approaching the array substrate, an orthogonal projection of the second isolation portion on the array substrate is located within an orthogonal projection of the first isolation portion on the array substrate, the sealing layer includes a first sealing layer provided on a side of the light-emitting units away from the array substrate, an orthogonal projection of the light-emitting units on the array substrate is located within an orthogonal projection of the first sealing layer on the array substrate, the first sealing layer includes a first portion located below the first isolation portion, and the first portion of the first sealing layer is not in contact with the first isolation portion. Here, the below may be directly below or not directly below, and it is only necessary that the first portion is located between the array substrate and the first isolation portion in the thickness direction of the display panel.

[0024] According to one aspect of the embodiment of the present application, an orthogonal projection of at least a part of the first portion of the first sealing layer on the array substrate is located outside an orthogonal projection of the first isolation portion on the array substrate.

[0025] According to one aspect of the embodiment of the present application, the first sealing layer is overlaid and connected to the array substrate between the isolation structure and the light emitting unit.

[0026] According to one aspect of the present embodiment, adjacent first sealing layers are spaced apart from each other.

[0027] According to one aspect of an embodiment of the present application, the light-emitting unit includes a first electrode, a light-emitting functional layer, and a second electrode that are stacked in sequence along a direction away from the array substrate, and the sealing layer covers the second electrode, and at least a portion of the sealing layer that protrudes from the second electrode is overlapped and connected to the side away from the base of the array layer.

[0028] According to one aspect of an embodiment of the present application, the isolation structure is provided with a plurality of isolation openings that directly contact the array substrate and accommodate the light-emitting units, and the sealing layer covers the second electrodes and at least a portion of the sealing layer that protrudes beyond the second electrodes is directly overlapped and connected to the array substrate.

[0029] Preferably, the first electrode includes a plurality of first electrode portions located on the array substrate, and the isolation structure is provided between adjacent first electrode portions.

[0030] According to one aspect of an embodiment of the present application, a display panel includes a pixel definition layer disposed on an array layer, an adjacent pixel definition layer is provided with a plurality of pixel openings, an emission unit is provided in the pixel opening, an isolation structure is provided on a side of the pixel definition layer away from the array layer, a first sealing layer covers a second electrode, and at least a portion of the first sealing layer protruding from the second electrode is overlapped and connected to the pixel definition layer.

[0031] Preferably, the pixel openings correspond one-to-one with the isolation openings and penetrate each other.

[0032] Preferably, the isolation structure is a monolithic structure having a first surface remote from the array substrate and a second surface adjacent to the array substrate, the first surface being larger in size than the second surface in a cross section perpendicular to the array substrate.

[0033] According to one aspect of an embodiment of the present application, the isolation structure includes a first isolation portion, a second isolation portion, and a third isolation portion stacked in sequence along a direction adjacent to the array substrate, and the first sealing layer covers the second electrode, and at least a portion of the first sealing layer that extends beyond the second electrode is overlapped and connected to the third isolation portion.

[0034] Preferably, the third isolation portion is in direct contact with the array substrate, the orthogonal projection of the second isolation portion on the array substrate is located within the orthogonal projection of the first isolation portion on the array substrate and is located within the orthogonal projection of the third isolation portion on the array substrate, and the second electrode is overlaid and connected to the third isolation portion.

[0035] According to one aspect of the embodiment of the present application, a part of the sealing layer protruding from the second electrode is overlapped and connected to the third isolation portion, and the other part is overlapped and connected to the side wall of the second isolation portion.

[0036] Preferably, the first sealing layer is located below the first isolation portion and does not contact the first isolation portion, and the orthogonal projection of a portion of the first sealing layer on the array substrate is outside the orthogonal projection of the first isolation portion on the array substrate.

[0037] Preferably, the first sealing layer extends from the side wall of the second isolation portion to cover the first isolation portion, and a portion of the first sealing layer is overlapping and connected to the first isolation portion and is located on the side of the first isolation portion away from the second isolation portion.

[0038] According to one aspect of the embodiment of the present application, the height of the second isolation portion is 0.4 μm to 1.2 μm in a cross section of the display panel along the thickness direction of the display panel itself.

[0039] Preferably, in a cross section of the display panel taken along its thickness direction, the ratio of the length of the first isolated portion protruding from the second isolated portion to the height of the second isolated portion is 1.5 to 3.0.

[0040] According to one aspect of the embodiment of the present application, in a cross section of the display panel along its thickness direction, the length of the third isolation portion protruding from the second isolation portion is 0.4 μm to 3.0 μm.

[0041] According to one aspect of the embodiment of the present application, the sealing layer includes a second sealing layer and a third sealing layer stacked on the first sealing layer, the first sealing layer is arranged to cover the light-emitting unit, the second sealing layer is arranged between the first sealing layer and the third sealing layer, and at least a portion of the first sealing layer that protrudes beyond the light-emitting unit is overlapped and connected between the light-emitting unit and the isolation structure.

[0042] In a third aspect, according to an embodiment of the present application, there is provided a display device including a display panel as described above.

[0043] In a fourth aspect, according to the present application, providing a substrate including a base and an array layer disposed on the base, and forming a first electrode and an isolation structure on a side of the array layer away from the base; a light-emitting functional layer is deposited on the first electrode at a first deposition angle to connect the light-emitting functional layer and the first electrode; adjusting the deposition angle to a second deposition angle greater than the first deposition angle, and depositing a second electrode on the light-emitting functional layer, and connecting the second electrode and the light-emitting functional layer to form a light-emitting unit; forming a first sealing layer on the light-emitting unit by depositing the first sealing layer, the first sealing layer covering the light-emitting unit, and at least a portion of the first sealing layer protruding from the light-emitting unit being overlapped and connected between the light-emitting unit and the isolation structure; repeating the vapor deposition and deposition process to form a plurality of light emitting units. Effect of the Invention

[0044] The embodiments of the present application provide a display panel, a display device, and a manufacturing method for a display panel. The embodiments of the present application can improve the sealing performance of the display panel, form a good sealing effect for the light-emitting unit, and improve the safety performance of the entire display panel. By providing a first sealing layer on the light-emitting unit, the first sealing layer can sufficiently cover the light-emitting unit, and a part of the edge of the first sealing layer protruding from the light-emitting unit is fully overlapped and connected between the light-emitting unit and the isolation structure, so that the first sealing layer and the film layer at its bottom are fully overlapped and connected, thereby avoiding the occurrence of a gap between the first sealing layer and the overlapped and connected film layer, and preventing the subsequent etching solution from entering the light-emitting unit through the gap and damaging the light-emitting unit, improving the sealing performance of the first sealing layer, improving the sealing ability of the first sealing layer, forming a better sealing protection for the light-emitting unit, improving the safety performance of the light-emitting unit, and providing a reliable guarantee for the stable emission of the entire display panel. [Brief description of the drawings]

[0045] [Figure 1] FIG. 1 is a schematic plan view of a display panel according to an embodiment of the present application. [Diagram 2]FIG. 2 is a structural schematic diagram of a display panel according to an embodiment of the present application. [Diagram 3] FIG. 4 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Figure 4] FIG. 2 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Diagram 5] FIG. 2 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Figure 6] FIG. 2 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Figure 7] FIG. 2 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Figure 8] FIG. 2 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Figure 9] FIG. 2 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Figure 10] FIG. 2 is a structural schematic diagram of another display panel according to an embodiment of the present application. [Figure 11] 3A to 3C are diagrams illustrating a manufacturing process of a display panel according to an embodiment of the present application. [Figure 12] 3A to 3C are diagrams illustrating a manufacturing process of a display panel according to an embodiment of the present application. [Figure 13] 3A to 3C are diagrams illustrating a manufacturing process of a display panel according to an embodiment of the present application. [Figure 14] 3A to 3C are diagrams illustrating a manufacturing process of a display panel according to an embodiment of the present application. [Figure 15] 3A to 3C are diagrams illustrating a manufacturing process of a display panel according to an embodiment of the present application. [Figure 16] 3A to 3C are diagrams illustrating a manufacturing process of a display panel according to an embodiment of the present application. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0046] The features, advantages, and technical effects of exemplary embodiments of the present application are described below with reference to the drawings.

[0047] In the drawings, identical elements are given identical reference numerals and the drawings are not drawn to scale.

[0048] The following describes in detail the features and exemplary embodiments of each aspect of the present application. In the following detailed description, many specific details are proposed to provide a complete understanding of the present application. However, as will be apparent to those skilled in the art, the present application can be practiced without the need for several of these specific details. The following description of the embodiments is provided only to provide an exemplary understanding of the present application. In the drawings and the following description, at least some well-known structures and techniques are not shown to avoid unnecessarily obscuring the present application, and the size of some structures may be exaggerated for clarity. In addition, the features, structures, or characteristics described below may be combined in any suitable manner into one or more embodiments.

[0049] All directional terms appearing in the following description are directions shown in the drawings, and do not limit the specific structures of the display panel, display device, and manufacturing method of the display panel of the present application. In the description of the present application, unless otherwise specified, the terms "attach" and "connect" should be understood in a broad sense, for example, they may be fixedly connected, detachably connected, integrally connected, directly connected, or indirectly connected. Those skilled in the art can understand the specific meaning of the above terms in the present application based on the specific situation.

[0050] In order to better understand the present application, a display panel, a display device, and a manufacturing method of a display panel according to embodiments of the present application will be described in detail below with reference to FIGS.

[0051] 1 and 2 , an embodiment of the present application provides a display panel 100 including an array substrate, a plurality of light-emitting units 30, an isolation structure 40, and a first encapsulating layer 50, the array substrate including a base 10 and an array layer 20 stacked together, the array layer 20 being disposed on the base 10, the plurality of light-emitting units 30 being disposed on a side of the array layer 20 away from the base 10, the plurality of light-emitting units 30 being arranged at intervals from each other, the isolation structure 40 being disposed on a side of the array layer 20 away from the base 10, the isolation structure 40 being disposed between adjacent light-emitting units 30, the first encapsulating layer 50 being disposed on a side of the light-emitting units 30 away from the array layer 20, the orthogonal projection of the light-emitting units 30 on the base 10 being located within the orthogonal projection of the first encapsulating layer 50, and at least a portion of the first encapsulating layer 50 protruding beyond the light-emitting units 30 being overlapped and connected between the light-emitting units 30 and the isolation structure 40.

[0052] In the above embodiment, the base 10 may be a rigid base 10 or a flexible base 10, the array layer 20 is a driving circuit layer and includes a plurality of driving circuits, the driving circuits include driving components and signal lines, etc., and the driving components include transistors, capacitors, etc., which are not particularly limited in the present application.

[0053] In addition, each light-emitting unit 30 may be arranged in an array on the display panel 100, and the light-emitting units 30 may be red sub-pixels, green sub-pixels and blue sub-pixels, which form a color display after red, green and blue (RGB) three-color light is mixed.

[0054] Each light-emitting unit 30 may include a first electrode 31, an emitting functional layer 32 and a second electrode 33. Optionally, the first electrode 31 is an anode, the second electrode 33 is a cathode, and the emitting functional layer 32 uses an organic light-emitting material to form different color lights. The first electrode 31 injects holes into the intermediate light-emitting functional layer 32, and the second electrode 33 injects electrons into the light-emitting functional layer 32. The holes and electrons combine in the light-emitting functional layer 32 to form excitons, which then cause the organic light-emitting material to emit light and obtain different color lights.

[0055] Specifically, the first electrode 31 is provided on the array layer 20, the light-emitting functional layer 32 is provided on the side of the first electrode 31 away from the array layer 20, and the second electrode 33 is provided on the side of the light-emitting functional layer 32 away from the first electrode 31, and the first electrode 31 is specifically formed on the side of the array layer 20 away from the base 10 and is electrically connected to a driving circuit in the array layer 20.

[0056] In the above embodiment, by providing the isolation structure 40, it is possible to manufacture the light-emitting units 30 of different colors individually and independently. Specifically, if the light-emitting functional layers 32 between the adjacent light-emitting units 30 are provided continuously, lateral crosstalk occurs, which may cause the adjacent light-emitting units 30 to emit light erroneously, thereby affecting the display quality. By providing each light-emitting unit 30 individually, the problem of lateral crosstalk between the adjacent light-emitting units 30 can be improved, and the display quality of the display panel 100 can be improved.

[0057] The isolation structure 40 is provided on the array layer 20, so that when depositing the light-emitting functional layer 32 and the second electrode 33, the light-emitting functional layer 32 is blocked by the isolation structure 40, so that the light-emitting units 30 are isolated from each other and no crosstalk occurs between the adjacent light-emitting units 30. Optionally, the second electrode 33 can be overlapped and connected with the isolation structure 40, so that the second electrode 33 is formed in the integrated layer, and of course the second electrode 33 can be not overlapped and connected with the isolation structure 40, so that the second electrodes 33 are isolated from each other.

[0058] When the display panel 100 includes the isolation structure 40, the light emitting units 30 of each color are first manufactured in the entire layer and then patterned, thereby eliminating the need for a mask plate and reducing costs. The light emitting units 30 of different colors are manufactured in different orders, and in the manufacturing process of patterning the manufactured light emitting units 30 later, they are isolated by the isolation structure 40, which improves the yield of the patterning process and reduces the impact of patterning on the yield of the light emitting units 30.

[0059] Optionally, the isolation structure 40 is a columnar structure, which in this embodiment serves to block the second electrode 33 and the light-emitting functional layer 32, thereby eliminating the need for a fine mask and preventing crosstalk between adjacent color lights.

[0060] Optionally, the cross-sectional shape of the isolation structure 40 along the thickness direction of the display panel 100 is a regular trapezoid or an inverted trapezoid, which can be patterned according to a specific deposition and etching process. The isolation structure 40 may be a composite metal titanium aluminum titanium (Ti / Al / Ti) structure or a titanium aluminum molybdenum (Ti / Al / Mo) structure, or may be an insulating material, and the specific shape and material of the isolation structure 40 are not particularly limited in the present application.

[0061] The first sealing layer 50 is disposed on the second electrode 33, and the first sealing layer 50 provides isolation and protection for the second electrode 33 and the light-emitting functional layer 32, thereby preventing water vapor in the external environment from entering the inside of the screen and causing adverse effects.

[0062] Considering the light transmittance of the entire display panel 100, the first sealing layer 50 needs to adopt a light-transmitting film layer, which can adopt an inorganic material layer, and a specific material may be a material such as silicon nitride, and the first sealing layer 50 is deposited on the second electrode 33 by a chemical vapor deposition (CVD) process to protect it.

[0063] In this embodiment, in consideration of the insufficient sealing performance of the first sealing layer 50, the orthogonal projection of the light-emitting unit 30 on the base 10 is positioned within the orthogonal projection of the first sealing layer 50, so that the light-emitting unit 30 is sufficiently covered by the first sealing layer 50, and the protruding portion of the first sealing layer 50 is overlap-connected between the light-emitting unit 30 and the isolation structure 40, thereby avoiding poor sealing overlap connection caused by the first sealing layer 50 being overlap-connected to the side wall of the isolation structure 40 and forming a gap, and the protruding portion of the first sealing layer 50 and the film layer at its bottom are sufficiently overlap-connected.

[0064] Optionally, adjacent first sealing layers 50 are spaced apart from each other, each light-emitting unit 30 is provided with a corresponding first sealing layer 50, and the first sealing layer 50 is an independent sealing structure corresponding to each light-emitting unit 30, and adjacent light-emitting units 30 are spaced apart from each other by isolation structures 40, and the corresponding first sealing layers 50 are similarly blocked at the locations of the isolation structures 40, so that adjacent first sealing layers 50 are not in contact with each other, and the first sealing layers 50 are a discontinuous sealing structure.

[0065] The present application does not particularly limit the position of the film layer at which the first sealing layer 50 is sufficiently overlappingly connected, as long as sufficient overlapping connection between the first sealing layer 50 and the film layer at its bottom can be ensured, and the occurrence of sealing gaps can be prevented.

[0066] The embodiment of the present application provides a display panel 100, in which a first encapsulating layer 50 is provided on the light-emitting unit 30, so that the first encapsulating layer 50 can sufficiently cover the light-emitting unit 30, and some edges of the first encapsulating layer 50 that protrude beyond the light-emitting unit 30 can be sufficiently overlap-connected between the light-emitting unit 30 and the isolation structure 40, thereby sufficiently overlapping and connecting the first encapsulating layer 50 and the film layer at its bottom, thereby avoiding the occurrence of gaps between the first encapsulating layer 50 and the film layer to which it is overlapped, and preventing the subsequent etching solution from entering the light-emitting unit 30 through the gap and damaging the light-emitting unit 30, thereby improving the sealing performance of the first encapsulating layer 50, improving the sealing ability of the first encapsulating layer 50, providing better sealing protection for the light-emitting unit 30, and improving the safety performance of the light-emitting unit 30, and providing a reliable guarantee for the stable emission of the entire display panel 100.

[0067] As an optional example, the light-emitting unit 30 includes a first electrode 31, a light-emitting functional layer 32 and a second electrode 33 stacked in sequence, the second electrode 33 is located on the side of the light-emitting functional layer 32 away from the first electrode 31, and a first sealing layer 50 is provided covering the second electrode 33, and at least a portion of the second electrode 33 is overlapped and connected to the side of the array layer 20 away from the base 10.

[0068] Optionally, a specific location of the first sealing layer 50 may be deposited on the second electrode 33, and the first sealing layer 50 may be overlaid and connected to any film layer on the array layer 20 after molding, sufficiently forming a strong overlaid connection with the film layer to avoid sealing being formed only by the sidewalls overlaid and connected to the isolation structure 40, causing sealing failure.

[0069] The embodiment of the present application provides a display panel 100, in which a portion of the first sealing layer 50 that protrudes beyond the light-emitting unit 30 is overlap-connected to the array layer 20, and by providing multiple overlap connection positions of different thicknesses in the first sealing layer 50, a more sufficient overlap connection can be formed and a reliable sealing effect can be provided.

[0070] As an optional embodiment, as shown in FIG. 2, the isolation structure 40 is disposed directly on the array layer 20 and spaced apart from the light-emitting unit 30, and the first sealing layer 50 is disposed covering the second electrode 33, and at least a portion of the first sealing layer 50 protruding from the second electrode 33 is overlapped and connected to the array layer 20.

[0071] In this embodiment, the isolation structure 40 is directly disposed on the array layer 20, and the blocking function of the isolation structure 40 is used to regulate different light-emitting units 30, and adjacent light-emitting units 30 are spaced apart from each other via the isolation structure 40 and do not interfere with each other, and the second electrodes 33 are independent of each other, and can individually provide a cathode potential to each second electrode 33 to conduct a cathode signal.

[0072] At this time, the light-emitting unit 30 is sealed, and the portion of the first sealing layer 50 that protrudes beyond the light-emitting unit 30 is directly connected to the array layer 20, and the light-emitting unit 30 is securely sealed by the overlapping connection portion between the first sealing layer 50 and the array layer 20, thereby safely protecting the light-emitting unit 30.

[0073] The embodiment of the present application provides a display panel 100, in which a plurality of light-emitting units 30 are defined by isolation structures 40, so as to isolate adjacent light-emitting units 30 and avoid the occurrence of crosstalk; meanwhile, a first encapsulating layer 50 is directly overlap-connected to the array layer 20, so as to form sufficient contact between the two and a strong overlap connection, so as to provide better encapsulating protection for the light-emitting units 30 and have a better encapsulating effect.

[0074] As an optional example, referring to FIG. 3 , a display panel 100 includes a pixel definition layer 60 provided on an array layer 20, and is surrounded by adjacent pixel definition layers 60 to form a pixel opening 61, an emission unit 30 is provided in the pixel opening 61, an isolation structure 40 is provided on a side of the pixel definition layer 60 away from the array layer 20 and spaced apart from the emission unit 30, and a first sealing layer 50 is provided covering the second electrode 33, and at least a portion of the first sealing layer 50 protruding beyond the second electrode 33 is overlapped and connected to the pixel definition layer 60.

[0075] Optionally, the display panel 100 further includes a pixel definition layer 60 and a plurality of pixel openings 61 formed by being surrounded by the pixel definition layer 60, the pixel openings 61 being surrounded by the pixel definition layer 60, the light-emitting units 30 being disposed in the pixel openings 61, and the pixel openings 61 being disposed corresponding to the first electrodes 31.

[0076] Optionally, the pixel openings 61 correspond one-to-one to the isolation openings formed by being surrounded by the isolation structures 40 and penetrate each other.

[0077] Specifically, the pixel definition layer 60 is deposited on the first electrode 31, and the pixel opening 61 is formed by etching the position corresponding to the first electrode 31, so that a part of the first electrode 31 is exposed from the pixel opening 61, the pixel definition layer 60 covers only the edge of the first electrode 31, and the light-emitting functional layer 32 is deposited in the pixel opening 61 and connected to the first electrode 31. After etching and forming, the pixel definition layer 60 covers the edge of the first electrode 31, forming an isolation protection for the first electrode 31 and preventing the influence of external moisture and oxygen environment. Next, the second electrode 33 is deposited on the light-emitting functional layer 32, and the light-emitting unit 30 is formed as a whole.

[0078] In this embodiment, an isolation structure 40 is provided on the pixel definition layer 60 to isolate adjacent light-emitting units 30, and the second electrodes 33 of each light-emitting unit 30 are isolated by the isolation structure 40. Similarly, as an independent structure, a cathode potential can be individually provided to the second electrodes 33 to realize conduction of the cathode signal.

[0079] When sealing the second electrode 33 with the first sealing layer 50, in order to sufficiently cover the light-emitting unit 30, the first sealing layer 50 can be directly overlapped and connected to the pixel defining layer 60 between the light-emitting unit 30 and the isolation structure 40, and the first sealing layer 50 can be in direct contact with the pixel defining layer 60 to seal the light-emitting unit 30.

[0080] Optionally, as shown in Fig. 4, the isolation structure 40 may be a monolithic structure having a first surface away from the array substrate and a second surface close to the array substrate, where the size of the first surface is larger than the size of the second surface in a cross section perpendicular to the array substrate, i.e., the isolation structure 40 forms an inverted trapezoidal structure in the cross section.

[0081] During the process of depositing the light-emitting functional layer 32, the inverted trapezoid structure of the isolation structure 40 can also block the light-emitting functional layer 32 and use its relatively long first surface to block the light-emitting functional layer 32, thereby avoiding crosstalk between adjacent light-emitting units 30; at this time, due to the isolation structure 40, the second electrode 33 does not need to be overlap-connected with the isolation structure 40 due to the influence of the blocking from the first surface, and each second electrode 33 can individually provide a VSS cathode potential through an independent metal structure; after deposition, the first sealing layer 50 is overlap-connected to the pixel defining layer 60 between the second electrode 33 and the isolation structure 40, thereby forming a stable and strong overlap connection therebetween and providing better sealing protection for the light-emitting units 30.

[0082] The embodiment of the present application provides a display panel 100, which provides a pixel defining layer 60 and surrounds the pixel defining layer 60 to form a pixel opening 61. The isolation structure 40 is provided on the pixel defining layer 60, and the first sealing layer 50 is in direct contact with the pixel defining layer 60, which can better seal the light emitting unit 30, has a better sealing effect, improves the safety performance of the light emitting unit 30, and prevents the intrusion of etching chemicals.

[0083] As an optional example, referring to Figures 5 and 6, the isolation structure 40 includes a first isolation portion 41, a second isolation portion 42 and a third isolation portion 43 arranged in a stacked manner, the second isolation portion 42 is located between the first isolation portion 41 and the third isolation portion 43, the third isolation portion 43 is arranged on the array layer 20, the orthogonal projection of the second isolation portion 42 on the base 10 is located within the orthogonal projection of the first isolation portion 41 and the third isolation portion 43, the second electrode 33 is overlapped and connected to the third isolation portion 43, the first sealing layer 50 is arranged covering the second electrode 33, and at least a portion of it protruding beyond the second electrode 33 is overlapped and connected to the third isolation portion 43.

[0084] Optionally, the isolation structure 40 is a three-layer composite structure, in which the second isolation portion 42 is disposed between the first isolation portion 41 and the third isolation portion 43, and has a length size smaller than that of the first isolation portion 41 and the third isolation portion 43, and the isolation structure 40 shields the deposition of the light-emitting functional layer 32 and the second electrode 33 by the first isolation portion 41, isolates adjacent light-emitting units 30, and avoids crosstalk between them.

[0085] Optionally, the first isolation portion 41 may adopt metallic titanium, the second isolation portion 42 may adopt metallic aluminum, and the third isolation portion 43 may adopt metallic molybdenum. In this embodiment, the second electrode 33 in each light-emitting unit 30 is overlapped and connected to the adjacent isolation structure 40, and the conductive performance of the isolation structure 40 is utilized to connect and conduct the second electrodes 33 of the adjacent light-emitting units 30, thereby forming a continuous integrated layer on the second electrode 33, and a cathode potential can be provided to the second electrode 33 of the integrated layer to make it conductive.

[0086] Specifically, each second electrode 33 is overlap-connected to the third isolation portion 43 of the isolation structure 40 to realize conductivity between adjacent second electrodes 33. When sealed by the first sealing layer 50, the first sealing layer 50 fully covers the light-emitting unit 30 and is in direct contact with the third isolation portion 43, thereby achieving sufficient overlap connection of the first sealing layer 50 and ensuring the sealing effect of the first sealing layer 50.

[0087] The embodiment of the present application provides a display panel 100, mainly taking into consideration that when the first sealing layer 50 is overlap-connected with the second isolation portion 42, a gap is formed between the side wall of the second isolation portion 42, which causes poor sealing. Therefore, in this embodiment, the first sealing layer 50 and the third isolation portion 43 are overlap-connected and directly contacted with each other, thereby improving the sealing effect, and the third isolation portion 43 is used to conduct the second electrode 33, thereby providing a reliable overlap-connection position for the first sealing layer 50 and improving the performance of the first sealing layer 50.

[0088] As an optional example, referring to FIG. 7, a portion of the first sealing layer 50 that protrudes beyond the second electrode 33 is overlapped and connected to the third isolation portion 43, and the other portion is overlapped and connected to the side wall of the second isolation portion 42.

[0089] Considering the actual deposition process, a part of the first sealing layer 50 covers the light-emitting unit 30 and overlaps and connects with the third isolation portion 43, and at the same time, the other part of the first sealing layer 50 is deposited on the side wall of the second isolation portion 42 and directly contacts the second isolation portion 42.

[0090] Optionally, the first sealing layer 50 is located below the first isolation portion 41 and does not contact the first isolation portion 41, and a positive projection of a portion of the first sealing layer 50 on the array substrate is located outside the positive projection of the first isolation portion 41 on the array substrate.

[0091] In other words, after deposition, the first sealing layer 50 does not need to ride up onto the first isolation portion 41 along the side wall of the second isolation portion 42, but only needs to be overlapped and connected to the side wall of the second isolation portion 42 and the third isolation portion 43 of the isolation structure 40. It is mainly the portion overlapped and connected to the third isolation portion 43 that provides a reliable sealing effect.

[0092] As shown in FIG. 8, optionally, the first sealing layer 50 extends from the side wall of the second isolation portion 42 to cover the first isolation portion 41, and a portion of the first sealing layer 50 is overlapping and connected to the first isolation portion 41 and is located on the side of the first isolation portion 41 away from the second isolation portion 42.

[0093] During the deposition process of the first sealing layer 50, the first sealing layer 50 is partially shielded by the first isolation portion 41, and in order to achieve a more reliable sealing effect, the first sealing layer 50 can ride up onto the first isolation portion 41 along the side wall of the second isolation portion 42, and the first sealing layer 50 is deposited on the upper surface of the first isolation portion 41 while covering part of the bottom surface of the first isolation portion 41, thereby forming a more sufficient overlapping connection between the first sealing layer 50 and the isolation structure 40, having a larger contact area between the two, and the structure is more consistent with the actual structure after the deposition of the first sealing layer 50.

[0094] The embodiment of the present application provides a display panel 100, in which a first sealing layer 50 is provided in the second isolation portion 42 and the third isolation portion 43, thereby improving the contact area between the first sealing layer 50 and the isolation structure 40, further realizing sufficient coverage for the light-emitting unit 30, improving the overall sealing effect, and having better sealing ability.

[0095] As an optional example, referring to FIG. 9, in a cross section along the thickness direction of the display panel 100 itself, the height of the second isolation portion 42 is 0.4 μm to 1.2 μm, the ratio of the length M of the first isolation portion 41 protruding beyond the second isolation portion 42 to the height of the second isolation portion 42 is 1.5 to 3.0, and the length N of the third isolation portion 43 protruding beyond the second isolation portion 42 is 0.4 μm to 3.0 μm.

[0096] The embodiment of the present application provides a display panel 100, which, by controlling the length of the first isolation portion 41, forms an evaporation shield for the light-emitting functional layer 32 and the second electrode 33, while also ensuring the deposition effect of the first sealing layer 50, allowing the first sealing layer 50 to form a more sufficient coating for the light-emitting unit 30; and appropriately reducing the length of the second isolation portion 42 and increasing the length of the third isolation portion 43 that protrudes beyond the second isolation portion 42, allowing the first sealing layer 50 to form more sufficient contact with the third isolation portion 43, increasing the contact area between the two, and providing better stability of the overlap connection, thereby improving the sealing ability of the first sealing layer 50.

[0097] As an optional example, referring to FIG. 10 , the sealing layer includes a second sealing layer 51 and a third sealing layer 52 stacked on a first sealing layer 50, the first sealing layer 50 is arranged to cover the light-emitting unit 30, and the second sealing layer 51 is arranged between the first sealing layer 50 and the third sealing layer 52, and at least a portion of the first sealing layer 50 that protrudes beyond the light-emitting unit 30 is overlapped and connected between the light-emitting unit 30 and the isolation structure 40.

[0098] Optionally, the sealing layer may be a three-layer laminated structure, in which a first sealing layer 50, a second sealing layer 51 and a third sealing layer 52 are sequentially laminated on the light-emitting unit 30, in which the first sealing layer 50 and the third sealing layer 52 may be inorganic materials and may be formed by a chemical vapor deposition process, and the second sealing layer 51 may adopt an organic material and may be formed by an inkjet printing method. In the present application, the specific structure of the sealing layer is not particularly limited as long as it can achieve a sealing effect.

[0099] The embodiment of the present application provides a display panel 100, in which the sealing layer has a three-layer stacked structure, thereby further improving the sealing performance of the sealing layer, providing better sealing protection for the light-emitting unit 30, and improving the overall safety performance.

[0100] An embodiment of the present application further provides a display panel 100, which includes an array substrate, a plurality of light-emitting units 30, an isolation structure 40, and a sealing layer, wherein the plurality of light-emitting units 30 are disposed on the array substrate, the isolation structure 40 is disposed on the array substrate and separates the light-emitting units 30, the isolation structure 40 includes a first isolation portion 41 and a second isolation portion 42 which are stacked in order from a direction approaching the array substrate, the orthogonal projection of the second isolation portion 42 on the array substrate is located within the orthogonal projection of the first isolation portion 41 on the array substrate, and the sealing layer includes a first sealing layer 50 provided on a side of the light-emitting units 30 away from the array substrate, the orthogonal projection of the light-emitting units 30 on the array substrate is located within the orthogonal projection of the first sealing layer 50 on the array substrate, wherein the first sealing layer 50 includes a first portion which is located below the first isolation portion 41, and the first portion of the first sealing layer 50 is not in contact with the first isolation portion 41.

[0101] In the display panel of this embodiment, the first portion of the first sealing layer 50 formed by deposition is located below the first isolation portion 41, and the first portion at this time does not contact the first isolation portion 41. This is different from the conventional structure in which the first sealing layer 50 is overlapped and connected to the side wall of the second isolation portion 42 and above the first isolation portion 41, which is prone to forming gaps between the first sealing layer 50 and the first isolation portion 41 and the second isolation portion 42, thereby causing sealing failure problems. Therefore, in this embodiment, a reliable overlapping connection is mainly formed between the first portion of the first sealing layer 50 and the film layer below the first isolation portion 41, providing better sealing protection for the light-emitting unit 30.

[0102] Based on this, optionally, at least a part of the orthogonal projection of the first portion of the first encapsulating layer 50 on the array substrate is located outside the orthogonal projection of the first isolation portion 41 on the array substrate. At this time, the first portion of the first encapsulating layer 50 is not only deposited under the first isolation portion 41, but is also shielded by the first isolation portion 41 during the deposition process, so that the first portion of the first encapsulating layer 50 and the isolation structure 40 form a gap therebetween, thereby avoiding the first encapsulating layer 50 being influenced by the isolation structure 40 to generate a gap therebetween and cause sealing failure. The main purpose of this embodiment is to use the first portion of the first encapsulating layer 50 to form a reliable overlap connection with the film layer between the isolation structure 40 and the light emitting unit 30, overcome the influence of the gap on sealing, and have a better sealing effect on the light emitting unit 30.

[0103] An embodiment of the present application provides a display device 1 including the display panel 100 described above.

[0104] Referring to FIG. 11, the embodiment of the present application is as follows: Providing a substrate including a base 10 and an array layer 20 disposed on the base 10, and forming a first electrode 31 and an isolation structure 40 on the side of the array layer 20 away from the base 10 (S1); S2 deposits the light-emitting functional layer 32 on the first electrode 31 at a first deposition angle and connects the light-emitting functional layer 32 and the first electrode 31; a step S3 of depositing a second electrode 33 on the light-emitting functional layer 32 at a second deposition angle greater than the first deposition angle, and connecting the second electrode 33 and the light-emitting functional layer 32 to form a light-emitting unit 30; depositing a first sealing layer 50 on the light-emitting unit 30, so that the first sealing layer 50 covers the light-emitting unit 30, and at least a portion of the first sealing layer 50 that protrudes from the light-emitting unit 30 is overlapped and connected between the light-emitting unit 30 and the isolation structure 40; repeating the vapor deposition and deposition process to form a plurality of light emitting units (S5).

[0105] 12 and 13, in steps S2 and S3, the light-emitting functional layer 32 is deposited at a first deposition angle to connect to the first electrode 31, and then the angle is increased to a second deposition angle to deposit the second electrode 33 at the second deposition angle, so that the second electrode 33 completely covers the light-emitting functional layer 32 to form a connection, and finally form a complete light-emitting unit 30.

[0106] In step S4, as shown in Fig. 14, a first encapsulation layer 50 is deposited on the second electrode 33 by a chemical vapor deposition process to encapsulate and protect the entire light emitting unit 30. Here, at least a portion of the first encapsulation layer 50 is deposited between the light emitting unit 30 and the isolation structure 40 to form an overlapping connection, which has better encapsulation and protection performance and prevents the etching solution in the next step S5 from eroding and damaging the light emitting unit 30.

[0107] In step S5, as shown in Figures 15 and 16, photoresist 70 is continuously applied to the first sealing layer 50, the display panel 100 is exposed and developed, and the film layer in some pixel openings 61 is removed by photolithography, and then the remaining photoresist 70 is peeled off and the above deposition process is repeated, thereby forming light-emitting units 30 of different colors in adjacent pixel openings 61, thereby meeting multiple different display needs and obtaining the final display panel 100.

[0108] The embodiments of the present application provide a display panel, a display device, and a manufacturing method for a display panel, by providing a first sealing layer on the light emitting unit, the first sealing layer can fully cover the light emitting unit, and a part of the edge of the first sealing layer protruding from the light emitting unit can be fully overlapped and connected between the light emitting unit and the isolation structure, so as to fully overlap and connect the first sealing layer and the film layer at its bottom, thereby avoiding the occurrence of a gap between the first sealing layer and the film layer overlapped and connected, preventing the subsequent etching solution from entering the light emitting unit through the gap and damaging the light emitting unit, improving the sealing performance of the first sealing layer, improving the sealing ability of the first sealing layer, forming a better sealing protection for the light emitting unit, improving the safety performance of the light emitting unit, and providing a reliable guarantee for the stable emission of the entire display panel.

[0109] Although the present application has been described with reference to the preferred embodiments, various modifications may be made without departing from the scope of the present application, and some of the components may be replaced with equivalents. In particular, as long as there is no structural contradiction, the technical features mentioned in each embodiment may be arbitrarily combined. The present application is not limited to the specific embodiments disclosed above, but includes all technical solutions included in the claims. [Explanation of symbols]

[0110] 1 display device, 100 display panel, 10 base, 20 array layer, 30 light emitting unit, 40 isolation structure, 50 first sealing layer, 60 pixel definition layer, 61 pixel aperture, 31 first electrode, 32 light-emitting functional layer, 33 second electrode, 41 1st isolation section, 42 2nd isolation section, 43 3rd isolation section, 51 second encapsulation layer, 52 third encapsulation layer, 70 photoresist.

Claims

1. A display panel including an array substrate, a plurality of light emitting units, an isolation structure, and an encapsulation layer, The plurality of light emitting units are provided on the array substrate, the isolation structure is disposed on the array substrate and separates the light emitting units; the sealing layer includes a first sealing layer provided on a side of the light-emitting unit away from the array substrate, The orthogonal projection of the light emitting unit on the array substrate is located within the orthogonal projection of the first sealing layer on the array substrate; At least a portion of the first encapsulation layer protruding from the light emitting unit is located between the light emitting unit and the isolation structure. A display panel comprising:

2. Adjacent first sealing layers are spaced apart from each other.

2. The display panel according to claim 1 .

3. the light-emitting unit includes a first electrode, a light-emitting functional layer, and a second electrode that are stacked in this order along a direction away from the array substrate, the first sealing layer covers the second electrode, and at least a portion of the first sealing layer that protrudes from the second electrode is overlapped and connected to a side of the array substrate that is close to the light-emitting unit.

2. The display panel according to claim 1 .

4. the isolation structure is in direct contact with the array substrate and has a plurality of isolation openings for receiving the light emitting units; the first sealing layer covers the second electrodes, and at least a portion of the first sealing layer protruding from the second electrodes is directly connected to the array substrate.

4. The display panel according to claim 3,

5. The display panel includes a pixel definition layer disposed on the array substrate, the pixel definition layer having a plurality of pixel openings; The light emitting unit is provided in the pixel opening, the isolation structure is disposed on a side of the pixel definition layer away from the array substrate; the first sealing layer is provided to cover the second electrode, and at least a portion of the first sealing layer protruding from the second electrode is overlapped and connected to the pixel definition layer; a plurality of isolation openings are provided in the isolation structure, and the plurality of pixel openings correspond one-to-one to the plurality of isolation openings and penetrate each other; 4. The display panel according to claim 3,

6. the isolation structure is a unitary structure and has a first surface away from the array substrate and a second surface close to the array substrate; In a cross section perpendicular to the array substrate, the size of the first surface is larger than the size of the second surface; Alternatively, the isolation structure includes a first isolation portion and a second isolation portion that are stacked in order along a direction approaching the array substrate, an orthogonal projection of the second isolated portion on the array substrate is located within an orthogonal projection of the first isolated portion on the array substrate; 2. The display panel according to claim 1 .

7. the isolation structure includes a first isolation portion, a second isolation portion, and a third isolation portion that are stacked in order along a direction approaching the array substrate, the first sealing layer covers the second electrode, and at least a portion of the first sealing layer protruding from the second electrode is overlapped and connected to the third isolation portion, an orthogonal projection of the second isolated portion on the array substrate is located within an orthogonal projection of the first isolated portion on the array substrate, and is located within an orthogonal projection of the third isolated portion on the array substrate; The second electrode is connected to the third isolation portion in an overlapping manner.

4. The display panel according to claim 3,

8. a portion of the first sealing layer protruding from the second electrode is overlapped and connected to the third isolation portion, and another portion of the first sealing layer is overlapped and connected to a side wall of the second isolation portion; 8. The display panel according to claim 7,

9. the first sealing layer is located below the first isolation portion and is spaced apart from the first isolation portion; an orthogonal projection of a portion of the first sealing layer on the array substrate is located outside an orthogonal projection of the first isolation portion on the array substrate; Alternatively, the first sealing layer extends from a side wall of the second isolation portion to the first isolation portion to cover the first isolation portion, A portion of the first sealing layer is overlapped and connected to the first isolation portion and is located on a side of the first isolation portion away from the second isolation portion.

9. The display panel according to claim 8.

10. In a cross section of the display panel along a thickness direction thereof, the second isolation portion has a height of 0.4 μm to 1.2 μm; In a cross section of the display panel taken along a thickness direction thereof, a ratio of a length of the first isolation portion protruding beyond the second isolation portion to a height of the second isolation portion is 1.5 to 3.

0.

8. The display panel according to claim 7,

11. In a cross section of the display panel taken along a thickness direction thereof, a length of the third isolation portion protruding from the second isolation portion is 0.4 μm to 3.0 μm.

8. The display panel according to claim 7,

12. the sealing layer includes a second sealing layer and a third sealing layer laminated with the first sealing layer, the first sealing layer is provided to cover the light emitting unit, the second sealing layer is provided between the first sealing layer and the third sealing layer, At least a portion of the first sealing layer that protrudes from the light emitting unit is overlapped and connected between the light emitting unit and the isolation structure.

2. The display panel according to claim 1 .

13. A display panel including an array substrate, a plurality of light emitting units, an isolation structure, and an encapsulation layer, The plurality of light emitting units are provided on the array substrate, the isolation structure is disposed on the array substrate and separates the light emitting units; the isolation structure includes a first isolation portion and a second isolation portion stacked in order from a direction adjacent to the array substrate, an orthogonal projection of the second isolated portion on the array substrate is located within an orthogonal projection of the first isolated portion on the array substrate; the sealing layer includes a first sealing layer provided on a side of the light-emitting unit away from the array substrate, The orthogonal projection of the light emitting unit on the array substrate is located within the orthogonal projection of the first sealing layer on the array substrate; the first sealing layer includes a first portion located below the first isolation portion, The first portion of the first sealing layer is provided at an interval from the first isolation portion. A display panel comprising:

14. the first portion of the first sealing layer is overlapped and connected to the array substrate between the isolation structure and the light emitting unit; 14. The display panel according to claim 13,

15. Adjacent first sealing layers are spaced apart from each other.

14. The display panel according to claim 13,

16. The light-emitting unit includes a first electrode, a light-emitting functional layer, and a second electrode that are stacked in this order along a direction away from the array substrate, the first sealing layer covers the second electrodes, and at least a portion of the first sealing layer protruding from the second electrodes is overlapped and connected to a side of the array substrate adjacent to the light emitting units; 14. The display panel according to claim 13,

17. The isolation structure further includes a third isolation portion, The third isolation portion is provided on a side of the second isolation portion away from the first isolation portion, the first sealing layer covers the second electrode, and at least a portion of the first sealing layer protruding from the second electrode is overlapped and connected to the third isolation portion, an orthogonal projection of the second isolated portion on the array substrate is located within an orthogonal projection of the first isolated portion on the array substrate, and is located within an orthogonal projection of the third isolated portion on the array substrate; The second electrode is connected to the third isolation portion in an overlapping manner.

17. The display panel according to claim 16,

18. a portion of the first sealing layer protruding from the second electrode is overlapped and connected onto the third isolation portion, and another portion of the first sealing layer is overlapped and connected to a side wall of the second isolation portion, the first sealing layer is located below the first isolation portion and is not in contact with the first isolation portion; A part of the first sealing layer on the array substrate is projected outside a part of the first isolation portion on the array substrate; or the first sealing layer extends from a sidewall of the second isolation portion to cover the first isolation portion, A portion of the first sealing layer is overlapped and connected to the first isolation portion and is located on a side of the first isolation portion away from the second isolation portion.

18. The display panel according to claim 17,

19. providing a substrate including a base and an array layer disposed on the base, and forming a first electrode and an isolation structure on a side of the array layer remote from the base; a light emitting functional layer is deposited on the first electrode at a first deposition angle, and the light emitting functional layer is connected to the first electrode; a second electrode is deposited on the light-emitting functional layer at a second deposition angle that is greater than the first deposition angle, and the second electrode and the light-emitting functional layer are connected to each other to form a light-emitting unit; A first sealing layer is formed by depositing the light-emitting unit, the first sealing layer covers the light-emitting unit, and at least a part of the first sealing layer protruding from the light-emitting unit is overlapped and connected between the light-emitting unit and the isolation structure; and repeating the deposition and deposition process to form a plurality of the light-emitting units. A method for manufacturing a display panel.

20. A display panel comprising a display panel according to any one of claims 1 to 12 or a display panel according to any one of claims 13 to 18. A display device comprising:

Images