Display panel and display device

By designing a display panel with a specific isolation port shape, the problem of insufficient performance of existing OLED display products is solved, and higher evaporation effect and lower electrode impedance are achieved, which improves the overall performance of the display panel.

CN119855375APending Publication Date: 2025-04-18HEFEI VISIONOX TECH CO LTD +1
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202411084974.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-10-17
Filing Date
2024-08-08
Publication Date
2025-04-18

AI Technical Summary

Technical Problem

The performance of existing OLED display products needs to be improved.

Method used

A display panel is designed, including a substrate, an isolation structure, a light emitting unit and a first electrode. The isolation structure is arranged on one side of the substrate. At least part of the isolation structure encloses to form an isolation port. The isolation port on the orthoprojected pattern of the substrate includes a first and a second side that encloses to form an isolation port, and the first side is perpendicular or parallel to the first direction; the light emitting unit is at least partially accommodated in the isolation port; the first electrode is located on the side of the light emitting unit facing away from the substrate and overlaps with the isolation structure.

Benefits of technology

By improving the overlap effect of the evaporated material in the isolation port, the impedance between the first electrode and the isolation structure is reduced, and the performance of the display panel is improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119855375A_ABST
    Figure CN119855375A_ABST
Patent Text Reader

Abstract

The embodiment of the invention provides a display panel and a display device.The display panel is provided with a display area and a non-display area at least partially surrounding the display area, the non-display area comprises a binding area, the binding area is located on one side of the display area in the first direction, and the display panel comprises a substrate, an isolation structure, a light-emitting unit and a first electrode; the isolation structure is arranged on one side of the substrate, at least part of the isolation structure is enclosed to form an isolation opening, the orthographic projection pattern of the isolation opening on the substrate comprises a first edge and a second edge which are enclosed to form the isolation opening, and the first edge is perpendicular to or parallel to the first direction; the light-emitting unit is at least partially accommodated in the isolation opening; the first electrode is located on the side, away from the substrate, of the light-emitting unit and is in lap joint with the isolation structure.
Need to check novelty before this filing date? Find Prior Art

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims the priority of Chinese patent application 202311346196.5, filed on October 17, 2023, entitled “Display panel, display panel preparation method and display device”, and the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present application relates to the technical field of display equipment, and in particular to a display panel and a display device. Background Art

[0004] 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.

[0005] However, the performance of current OLED display products needs to be improved. Summary of the invention

[0006] Embodiments of the present application provide a display panel and a display device, aiming to improve the performance of the display panel.

[0007] An embodiment of the first aspect of the present application provides a display panel, comprising a display area and a non-display area that at least partially surrounds the display area, the non-display area comprising a binding area, the binding area being located on one side of the display area in a first direction, the display panel comprising a substrate, an isolation structure, a light-emitting unit and a first electrode, the isolation structure being arranged on one side of the substrate, at least a portion of the isolation structure enclosing an isolation opening, the orthographic projection pattern of the isolation opening on the substrate comprising a first side and a second side enclosing the isolation opening, the first side being perpendicular to or parallel to the first direction; the light-emitting unit being at least partially accommodated in the isolation opening; the first electrode being located on a side of the light-emitting unit facing away from the substrate, and overlapping the isolation structure.

[0008] According to an implementation scheme of the first aspect of the present application, the isolation opening in the orthographic projection pattern of the substrate includes a first side and a second side, the second side includes at least one of an arc segment or a broken line segment; optionally, the arc segment includes at least one of a circular arc segment or an elliptical arc segment; optionally, the broken line segment includes at least two connected straight line segments.

[0009] According to an implementation scheme of the first aspect of the present application, the orthographic projection pattern of the isolation opening on the substrate includes two first edges and two second edges, and the first edges and the second edges are alternately arranged and connected in sequence along the circumference of the isolation opening; optionally, the two first edges are parallel to each other; optionally, the lengths of the two first edges are equal, and the lengths of the two second edges are equal; optionally, the lengths of the two first edges are unequal, and the lengths of the two second edges are unequal; optionally, the second edge includes at least one of a straight line segment, an arc segment or a broken line segment; optionally, the second edge is a combination of a straight line segment and an arc segment.

[0010] According to an implementation scheme of the first aspect of the present application, the second side includes a first sub-side and a second sub-side connected to each other, the first sub-side and the second sub-side are both straight line segments, the first sub-sides of the two second sides are parallel to each other, and the second sub-sides of the two second sides are parallel to each other.

[0011] According to an implementation scheme of the first aspect of the present application, the second side also includes two third sub-sides, the third sub-sides are straight line segments, and the first sub-side and the second sub-side are respectively connected to the two first sides through different third sub-sides; optionally, the two third sub-sides in the second side are parallel to each other; optionally, the third sub-sides in the two second sides are parallel to each other; optionally, the first side is protruded in a direction away from the isolation opening.

[0012] According to the implementation scheme of the first aspect of the present application, the isolation structure also encloses to form a first opening, and multiple first openings are arranged at intervals; optionally, the first side is parallel to the first direction; optionally, the first openings and the isolation openings are alternately arranged at intervals in the second direction, and the second direction is arranged to intersect with the first direction; optionally, the first opening is a light-transmitting opening.

[0013] According to an implementation of the first aspect of the present application, at least a portion of the first electrode overlaps with an inner wall surface of the isolation structure corresponding to the first edge.

[0014] According to an implementation scheme of the first aspect of the present application, the first electrode includes a first part and a second part, the first part overlaps the inner wall surface of the isolation structure corresponding to the first side, and the second part overlaps the inner wall surface of the second side constituted by the isolation structure corresponding to the second side; optionally, the overlap area per unit length of the first part and the first side is larger than the overlap area per unit length of the second part and the second side; optionally, the distance between the surface of the first part facing the substrate and the surface facing away from the substrate is larger than the distance between the surface of the second part facing the substrate and the surface facing away from the substrate.

[0015] According to an implementation scheme of the first aspect of the present application, the isolation structure includes an isolation wall and a barrier portion, the barrier portion is arranged on the side of the isolation wall facing away from the substrate, the orthographic projection of the isolation wall on the substrate is located within the orthographic projection of the barrier portion on the substrate, and the inner wall surface of the isolation wall facing the isolation opening overlaps with the first electrode; optionally, the orthographic projection of the opening formed by the isolation wall on the substrate is the same as the orthographic projection of the opening formed by the barrier portion on the substrate; optionally, the orthographic projection of the opening formed by the isolation wall on the substrate coincides with the orthographic projection of the corresponding isolation opening on the substrate.

[0016] According to an implementation scheme of the first aspect of the present application, the isolation opening includes a first isolation opening and a second isolation opening, the first isolation opening is used to accommodate a light-emitting unit that emits a first color, and the second isolation opening is used to accommodate a light-emitting unit that emits a second color, and a first side of an orthographic projection figure of the first isolation opening on the substrate and a first side of an orthographic projection figure of the second isolation opening on the substrate are parallel to each other; optionally, the orthographic projection figure of the first isolation opening on the substrate is different in shape from the orthographic projection figure of the second isolation opening on the substrate; optionally, the orthographic projection figure of the first isolation opening on the substrate is different in size from the orthographic projection figure of the second isolation opening on the substrate.

[0017] According to an implementation scheme of the first aspect of the present application, the isolation opening also includes a third isolation opening, which is used to accommodate a light-emitting unit that emits a third color, and the first side of the orthographic projection figure of the third isolation opening on the substrate and the first side of the orthographic projection figure of the first isolation opening on the substrate are parallel to each other.

[0018] According to the implementation scheme of the first aspect of the present application, it also includes: an insulating layer, which is arranged on the substrate, and a pixel opening is arranged on the insulating layer, the orthographic projection of the pixel opening on the substrate is located within the orthographic projection of the isolation opening on the substrate, at least part of the light-emitting unit is accommodated in the pixel opening, and the orthographic projection pattern of the pixel opening on the substrate includes a third side, and the third side is perpendicular to or parallel to the first direction; optionally, the orthographic projection pattern of the pixel opening on the substrate is consistent with the shape of the orthographic projection pattern of the isolation opening on the substrate; optionally, the insulating layer is a pixel definition layer, and the isolation structure is arranged on the side of the pixel definition layer away from the substrate; or, a clearance opening is opened on the insulating layer, at least part of the substrate is exposed by the clearance opening, and the isolation structure is arranged on the substrate exposed by the clearance opening.

[0019] According to an implementation manner of the first aspect of the present application, it also includes: an encapsulation layer, which is located on the side of the first electrode facing away from the substrate, and at least part of the encapsulation layer overlaps with the isolation structure; optionally, the encapsulation layer includes a first encapsulation layer, the first encapsulation layer includes a plurality of first encapsulation units arranged at intervals from each other, the first encapsulation units are located on the side of the first electrode facing away from the substrate, and at least part of the first encapsulation units also cover the side wall of the isolation structure facing the isolation opening and extend to the side of the isolation structure facing away from the substrate; optionally, the material of the first encapsulation layer includes an inorganic material; optionally, the encapsulation layer also includes a second encapsulation layer, the second encapsulation layer is located on the side of the first encapsulation layer facing away from the substrate, and the material of the second encapsulation layer includes an organic material; optionally, the encapsulation layer also includes a third encapsulation layer located on the side of the second encapsulation layer facing away from the substrate, and the material of the third encapsulation layer includes an inorganic material; optionally, the material of the third encapsulation layer is the same as that of the first encapsulation layer.

[0020] According to an implementation of the first aspect of the present application, it also includes: a second electrode, located on the side of the light-emitting unit facing the substrate, and the second electrode is electrically connected to the light-emitting unit; optionally, the orthographic projection of the second electrode on the substrate at least partially overlaps with the orthographic projection of the isolation opening on the substrate.

[0021] An embodiment of the second aspect of the present application also provides a display panel, comprising a display area and a non-display area that at least partially surrounds the display area, the non-display area including a binding area, the binding area being located on one side of the display area in a first direction, the display panel including a substrate and a light-emitting unit, the light-emitting unit being arranged on one side of the substrate, the orthographic projection pattern of the light-emitting unit on the substrate including a fourth side and a fifth side that enclose the light-emitting unit, and the fourth side being perpendicular or parallel to the first direction.

[0022] According to an implementation scheme of the second aspect of the present application, the orthographic projection pattern of the light-emitting unit on the substrate includes a fourth side and a fifth side, and the fifth side includes at least one of an arc segment or a broken line segment; optionally, the arc segment includes at least one of a circular arc segment or an elliptical arc segment; optionally, the broken line segment includes at least two connected straight line segments.

[0023] According to an implementation scheme of the second aspect of the present application, the orthographic projection pattern of the light-emitting unit on the substrate includes two fourth sides and two fifth sides, and the fourth sides and the fifth sides are alternately arranged and connected in sequence along the circumference of the light-emitting unit; optionally, the two fourth sides are parallel to each other; optionally, the lengths of the two fourth sides are equal, and the lengths of the two fifth sides are equal; optionally, the lengths of the two fourth sides are unequal, and the lengths of the two fifth sides are unequal; optionally, the fifth side includes at least one of a straight line segment, an arc segment or a broken line segment; optionally, the fifth side is a combination of a straight line segment and an arc segment.

[0024] According to an implementation scheme of the second aspect of the present application, the fifth side includes a fifth sub-side and a fourth sub-side connected to each other, the fourth sub-side and the fifth sub-side are both straight line segments, the fifth sub-sides of the two fifth sides are parallel to each other, and the fourth sub-sides of the two fifth sides are parallel to each other.

[0025] According to an implementation scheme of the second aspect of the present application, the fifth side also includes two sixth sub-sides, the sixth sub-side is a straight line segment, and the fourth sub-side and the fifth sub-side are respectively connected to the two fourth sides through different sixth sub-sides; optionally, the two sixth sub-sides in the fifth side are parallel to each other; optionally, the sixth sub-sides in the two fifth sides are parallel to each other; optionally, the fourth side is protruded in a direction away from the center line of the light-emitting unit.

[0026] According to an implementation of the second aspect of the present application, the light-emitting unit includes a first light-emitting unit and a second light-emitting unit, the first light-emitting unit is used to emit light of a first color, and the second light-emitting unit is used to emit light of a second color, and the fourth side of the orthographic projection figure of the first light-emitting unit on the substrate and the fourth side of the orthographic projection figure of the second light-emitting unit on the substrate are parallel to each other; optionally, the shape of the orthographic projection figure of the first light-emitting unit on the substrate is different from the shape of the orthographic projection figure of the second light-emitting unit on the substrate; optionally, the size of the orthographic projection figure of the first light-emitting unit on the substrate is different from the size of the orthographic projection figure of the second light-emitting unit on the substrate.

[0027] According to an implementation of the second aspect of the present application, the light-emitting unit also includes a third light-emitting unit, which is used to emit light of a third color, and the fourth side of the orthographic projection figure of the third light-emitting unit on the substrate and the fourth side of the orthographic projection figure of the first light-emitting unit on the substrate are parallel to each other.

[0028] According to the implementation of the second aspect of the present application, it also includes: an isolation structure, which is arranged on one side of the substrate, the isolation structure encloses an isolation opening, and at least part of the light-emitting unit is accommodated in the isolation opening; a first electrode, which is located on the side of the light-emitting unit away from the substrate and overlaps with the isolation structure.

[0029] An embodiment of the third aspect of the present application further provides a display panel, comprising a substrate, an isolation structure, a light-emitting unit and a first electrode, wherein the isolation structure is arranged on one side of the substrate, the isolation structure encloses an isolation opening, and the isolation opening on the substrate includes two first sides and two second sides that enclose the isolation opening in an orthographic projection pattern, the first sides and the second sides are alternately arranged in sequence along the circumference of the isolation opening, the first side is perpendicular or parallel to the first direction, the second side includes a first sub-side and a second sub-side that are interconnected, the first sub-side and the second sub-side are both straight line segments, and the first direction and the thickness direction of the display panel are intersecting; the light-emitting unit is at least partially accommodated in the isolation opening; the first electrode is located on the side of the light-emitting unit away from the substrate, and overlaps with the isolation structure.

[0030] According to an implementation of the third aspect of the present application, the first sub-sides of the two second sides are parallel to each other, and the second sub-sides of the two second sides are parallel to each other.

[0031] According to an implementation scheme of the third aspect of the present application, the second side also includes two third sub-sides, the third sub-sides are straight line segments, and the first sub-side and the second sub-side are respectively connected to the two first sides through different third sub-sides; optionally, the two third sub-sides in the second side are parallel to each other; optionally, the third sub-sides in the two second sides are parallel to each other; optionally, the first side is protruded in a direction away from the isolation opening.

[0032] According to an implementation scheme of the third aspect of the present application, the isolation structure also encloses a first opening, and multiple first openings are arranged at intervals; optionally, the first side is parallel to the first direction; optionally, the first openings and the isolation openings are alternately arranged at intervals in the second direction, and the second direction is arranged to intersect with the first direction; optionally, the first opening is a light-transmitting opening.

[0033] According to an implementation of the third aspect of the present application, the display panel has a display area and a non-display area that at least partially surrounds the display area, the non-display area includes a binding area, and the binding area is located on one side of the display area in a first direction; optionally, the first side is perpendicular or parallel to the first direction.

[0034] An embodiment of the fourth aspect of the present application further provides a display device, comprising a display panel of any one of the above-mentioned embodiments of the first aspect.

[0035] In the display panel provided in the embodiment of the present application, there is a display area and a non-display area that at least partially surrounds the display area, the non-display area includes a binding area, the binding area is located on one side of the display area in the first direction, the display panel includes a substrate, an isolation structure, a light-emitting unit and a first electrode, the isolation structure is arranged on one side of the substrate, at least part of the isolation structure encloses to form an isolation opening, the isolation opening in the orthographic projection figure of the substrate includes a first side and a second side that enclose to form the isolation opening, the first side is perpendicular or parallel to the first direction; the light-emitting unit is at least partially accommodated in the isolation opening; the first electrode is located on the side of the light-emitting unit away from the substrate, and overlaps with the isolation structure. By making the isolation opening in the orthographic projection figure of the substrate include a first side and a second side that enclose to form the isolation opening, the first side is perpendicular or parallel to the first direction, the overlap effect of the vapor deposition material in the isolation opening is improved, and at the same time, the impedance between the first electrode and the isolation structure is reduced, thereby improving the performance of the display panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] 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.

[0037] Figure 1 is a schematic diagram of a top view structure of a display panel provided in an embodiment of the present application;

[0038] Figure 2 In one example Figure 1 A schematic diagram of the enlarged structure of position B in the middle;

[0039] Figure 3 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle;

[0040] Figure 4 In one example Figure 2 Sectional view at AA in the middle;

[0041] Figure 5 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle;

[0042] Figure 6 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle;

[0043] Figure 7 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle;

[0044] Figure 8 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle;

[0045] Fig. 9 In one example Figure 8 Sectional view at CC;

[0046] Fig.10 In another example Figure 8 Sectional view at CC;

[0047] Fig.11 is a schematic diagram of a top view of an exemplary light-emitting unit;

[0048] Fig.12 is a schematic diagram of a top view of another exemplary light-emitting unit;

[0049] Fig.13 is a schematic diagram of a top view of a light emitting unit according to another example;

[0050] Fig.14 is a schematic diagram of a top view of another exemplary light-emitting unit;

[0051] Fig.15 is a schematic diagram of a top view of another exemplary light-emitting unit;

[0052] Fig.16 is a schematic diagram of a top view of another exemplary light-emitting unit;

[0053] Fig.17 is a schematic diagram of a top view structure of another display panel;

[0054] Fig.18 In another example Figure 1 Schematic diagram of the enlarged structure at position B in the middle.

[0055] Description of reference numerals:

[0056] 10. Display panel;

[0057] 100. Substrate;

[0058] 200, isolation structure; 210, isolation opening; 211, first side; 212, second side; 213, first sub-side; 214, second sub-side; 215, third sub-side; 220, first opening; 230, isolation wall; 240, blocking portion; 250, first isolation opening; 260, second isolation opening; 270, third isolation opening;

[0059] 300, light-emitting unit; 310, fourth side; 320, fifth side; 321, fourth sub-side; 322, fifth sub-side; 323, sixth sub-side; 330, first light-emitting unit; 340, second light-emitting unit; 350, third light-emitting unit;

[0060] 400. a first electrode;

[0061] 500. a second electrode;

[0062] 600, insulating layer; 610, pixel opening; 620, clearance opening;

[0063] 700, encapsulation layer; 710, first encapsulation layer; 711, first encapsulation unit; 720, second encapsulation layer; 730, third encapsulation layer;

[0064] AA, display area; NA, non-display area; BA, binding area; x, first direction; y, second direction; a, third direction; c, fourth direction; z, thickness direction of the display panel. DETAILED DESCRIPTION

[0065] 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.

[0066] 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.

[0067] 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.

[0068] The applicant has found that in the relevant technology, the performance of current OLED display products needs to be improved.

[0069] In view of the above problems, the applicant proposes a display panel, comprising a display area and a non-display area that at least partially surrounds the display area, the non-display area including a binding area, the binding area being located on one side of the display area in a first direction, the display panel comprising a substrate, an isolation structure, a light-emitting unit and a first electrode, the isolation structure being arranged on one side of the substrate, at least part of the isolation structure enclosing an isolation opening, the orthographic projection pattern of the isolation opening on the substrate comprising a first side and a second side enclosing the isolation opening, the first side being perpendicular to or parallel to the first direction; the light-emitting unit being at least partially accommodated in the isolation opening; the first electrode being located on the side of the light-emitting unit facing away from the substrate, and overlapping with the isolation structure.

[0070] In the display panel provided by the present application, the isolation opening is made to have an orthographic projection pattern on the substrate including a first side and a second side that enclose the isolation opening, and the first side is perpendicular or parallel to the first direction, that is, the inner wall surface corresponding to the first side is perpendicular or parallel to the first direction, thereby improving the overlapping effect of the evaporated material in the isolation opening, and reducing the impedance between the first electrode and the isolation structure, thereby improving the performance of the display panel.

[0071] In order to better understand the present application, the display panel and the display device of the embodiment of the present application are described in detail below in conjunction with the accompanying drawings. It is noted that the z direction in the accompanying drawings is the thickness direction of the display panel, the x direction is the first direction, the y direction is the second direction, the a direction is the third direction, and the c direction is the fourth direction. In the accompanying drawings, for the convenience of drawing, the dimensions in the drawings are not necessarily proportional to the actual dimensions, and some hierarchical structures in the display module are not drawn.

[0072] In order to better understand the present application, the display panel and the display device of the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0073] Please refer to Figures 1 to 4 , Fig.17 , Figure 1 is a schematic diagram of a top view structure of a display panel provided in an embodiment of the present application; Figure 2 In one example Figure 1 A schematic diagram of the enlarged structure of position B in the middle;

[0074] Figure 3 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle; Figure 4 In one example Figure 2 Sectional view at AA in the middle; Fig.17 1 is a schematic diagram of a top view of another display panel, wherein position B is within the display area AA of the display panel 10 .

[0075] like Figures 1 to 4 , Fig.17As shown, an embodiment of the first aspect of the present application provides a display panel 10, having a display area AA and a non-display area NA at least partially surrounding the display area AA, the non-display area NA includes a binding area BA, and the binding area BA is located on one side of the display area AA in the first direction (x direction in the figure). The display panel 10 includes a substrate 100, an isolation structure 200, a light-emitting unit 300 and a first electrode 400, the isolation structure 200 is arranged on one side of the substrate 100, at least part of the isolation structure 200 encloses to form an isolation opening 210, and the orthographic projection figure of the isolation opening 210 on the substrate 100 includes a first side 211 and a second side 212 enclosing to form the isolation opening 210, and the first side 211 is perpendicular or parallel to the first direction x. The light-emitting unit 300 is at least partially accommodated in the isolation opening 210. The first electrode 400 is located on the side of the light-emitting unit 300 away from the substrate 100, and overlaps with the isolation structure 200.

[0076] Optionally, the first side 211 is a straight line segment.

[0077] Optionally, the binding area BA is located at the lower frame of the non-display area NA. The first direction x is the up-down direction of the display panel 10, that is, the column direction.

[0078] The inventors have discovered through research that when an evaporation source is used to evaporate the first electrode 400, when the isolation opening 210 includes a first edge 211 that is perpendicular or parallel to the first direction x, the overlapping effect between the evaporated material of the first electrode 400 and the first edge 211 can be improved, the overlapping effect of the first electrode 400 in the isolation opening 210 can be improved, and the impedance between the first electrode 400 and the isolation structure 200 can be reduced, thereby improving the performance of the display panel 10.

[0079] The display panel 10 provided in the embodiment of the present application has a display area AA and a non-display area NA at least partially surrounding the display area AA, the non-display area NA includes a binding area BA, and the binding area BA is located on one side of the display area AA in the first direction x. The display panel 10 includes a substrate 100, an isolation structure 200, a light-emitting unit 300 and a first electrode 400. The isolation structure 200 is arranged on one side of the substrate 100, and at least part of the isolation structure 200 encloses an isolation opening 210. The orthographic projection of the isolation opening 210 on the substrate 100 includes a first side 211 and a second side 212 enclosing the isolation opening 210, and the first side 211 is perpendicular or parallel to the first direction x. The light-emitting unit 300 is at least partially accommodated in the isolation opening 210. The first electrode 400 is located on the side of the light-emitting unit 300 away from the substrate 100, and overlaps with the isolation structure 200. In the present application, the isolation opening 210 is provided with an orthographic projection pattern on the substrate 100 including a first side 211 and a second side 212 that enclose the isolation opening 210, and the first side 211 is perpendicular or parallel to the first direction x, thereby improving the overlapping effect of the evaporated material in the isolation opening 210, reducing the probability of the light-emitting unit 300 and the first electrode 400 falling off, and reducing the impedance between the first electrode 400 and the isolation structure 200, thereby improving the performance of the display panel 10.

[0080] It should be noted that, in one embodiment, when the same isolation opening 210 includes an edge perpendicular to the first direction x and an edge parallel to the first direction x, one of the edges perpendicular to or parallel to the first direction x in the isolation opening 210 is the first edge, and the other of the edges perpendicular to or parallel to the first direction x is not the first edge. For example, when the same isolation opening 210 includes an edge perpendicular to the first direction x and an edge parallel to the first direction x, the edge perpendicular to the first direction x in the isolation opening 210 is the first edge, and the edge parallel to the first direction x in the isolation opening 210 is the second edge; or, the edge parallel to the first direction x in the isolation opening 210 is the first edge, and the edge perpendicular to the first direction x in the isolation opening 210 is the second edge.

[0081] Please refer to Figure 5 and Figure 6 , Figure 5 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle; Figure 6 In another example Figure 1 Schematic diagram of the enlarged structure at position B in the middle.

[0082] In some optional embodiments, the orthographic projection pattern of the isolation opening 210 on the substrate 100 includes a first edge 211 and a second edge 212 , and the second edge 212 includes at least one of an arc segment or a broken line segment.

[0083] Preferably, the arc segment includes at least one of a circular arc segment or an elliptical arc segment, such as Figure 5 shown.

[0084] Preferably, the broken line segment includes at least two connected straight line segments, such as Figure 6 shown.

[0085] In the display panel 10 provided in the embodiment of the present application, the second edge 212 includes at least one of an arc segment or a fold line segment, so that the isolation opening 210 can be designed into different shapes according to actual needs, thereby increasing the application scenarios of the display panel 10.

[0086] Please refer to Figure 2 , Figure 7 and Fig.18 , Figure 7 In another example Figure 1 A schematic diagram of the enlarged structure of position B in the middle; Fig.18 In another example Figure 1 Schematic diagram of the enlarged structure at position B in the middle.

[0087] In some optional embodiments, the orthographic projection of the isolation opening 210 on the substrate 100 includes two first edges 211 and two second edges 212, and the first edges 211 and the second edges 212 are alternately arranged and connected in sequence along the circumference of the isolation opening 210. The first edges 211 and the second edges 212 can be directly connected, or connected by rounding or chamfering.

[0088] Optionally, the two first edges 211 are parallel to each other.

[0089] Optionally, the lengths of the two first sides 211 are equal, and the lengths of the two second sides 212 are equal, such as Figure 2 shown.

[0090] Optionally, the second side 212 includes at least one of a straight line segment, an arc segment or a broken line segment.

[0091] Optionally, the second edge 212 is a combination of a straight line segment and an arc segment, such as Fig.18 shown.

[0092] Optionally, the lengths of the two first sides 211 are not equal, and the lengths of the two second sides 212 are not equal, such as Figure 7 shown.

[0093] The display panel 10 provided in the embodiment of the present application has an isolation opening 210 including two first edges 211 and two second edges 212, and the two first edges 211 are parallel to each other, thereby increasing the overlapping length of the evaporated material and the first edges 211, further improving the overlapping effect of the evaporated material in the isolation opening 210, and further improving the performance of the display panel 10.

[0094] like Figure 2 and Figure 4 As shown, in some optional embodiments, the second edge 212 includes a first sub-edge 213 and a second sub-edge 214 connected to each other, the first sub-edge 213 and the second sub-edge 214 are both straight line segments, the first sub-edges 213 in the two second edges 212 are parallel to each other, and the second sub-edges 214 in the two second edges 212 are parallel to each other.

[0095] Optionally, the first sub-side 213 is parallel to the third direction (direction a in the figure), and the second sub-side 214 is parallel to the fourth direction (direction c in the figure). The first direction x, the second direction y, the third direction c, the fourth direction c and the thickness direction of the display panel (direction z in the figure) are arranged to intersect each other.

[0096] Optionally, the first direction x, the second direction y, the third direction c, and the fourth direction c are all perpendicular to the thickness direction z.

[0097] The display panel 10 provided in the embodiment of the present application makes the second edge 212 include a first sub-edge 213 and a second sub-edge 214 connected to each other, and the first sub-edges 213 in the two second edges 212 are parallel to each other, and the second sub-edges 214 in the two second edges 212 are parallel to each other, so that the orthographic projection pattern of the isolation opening 210 on the substrate 100 is a hexagon with opposite sides parallel to each other. The mask used to prepare the isolation opening 210 only needs to be simply improved on the basis of the existing mask, thereby saving the design cost of the mask.

[0098] like Figure 2 As shown, in some optional embodiments, the isolation structure 200 further encloses and forms a first opening 220 , and a plurality of first openings 220 are arranged at intervals.

[0099] Optionally, the first side 211 is parallel to the first direction x.

[0100] Optionally, the first openings 220 and the isolation openings 210 are alternately arranged in the second direction y, the second direction y is arranged to intersect with the first direction x, and the first side 211 faces the adjacent first opening 220 .

[0101] Optionally, the first opening 220 is a light-transmitting opening.

[0102] The display panel 10 provided in the embodiment of the present application is provided with a first opening 220 formed by enclosing the isolation structure 200. A plurality of first openings 220 are arranged at intervals. The first opening 220 can be a light-transmitting opening, thereby improving the transmittance of the display panel 10. The improvement of the transmittance is helpful for the implementation of the under-screen camera solution and improving the imaging effect of the under-screen camera. In addition, the first opening 220 can also be used to accommodate touch wiring or fingerprint wiring, thereby reducing the overall thickness of the display panel 10. By alternately and spaced apart in the second direction y, the orthographic projection pattern of the isolation opening 210 on the substrate 100 includes a first edge 211 parallel to the first direction x, so that the isolation opening 210 does not have a protruding sharp corner on the side of the first opening 220, thereby increasing the area and distribution density of the first opening 220 on the display panel 10, further improving the transmittance of the display panel 10.

[0103] Please refer to Figure 8 , Figure 8 In another example Figure 1 Schematic diagram of the enlarged structure at position B in the middle.

[0104] like Figure 8 As shown, in some optional embodiments, the second side 212 further includes two third sub-sides 215 , the third sub-sides 215 are straight line segments, and the first sub-side 213 and the second sub-side 214 are connected to the two first sides 211 via different third sub-sides 215 .

[0105] Optionally, the two third sub-sides 215 in the second side 212 are parallel to each other. More preferably, the extension lines of the two third sub-sides 215 in the second side 212 are collinear.

[0106] Optionally, the third sub-edges 215 of the two second edges 212 are parallel to each other.

[0107] Optionally, the first edge 211 is formed to be convex in a direction away from the isolation opening 210 .

[0108] The display panel 10 provided in the embodiment of the present application is formed by protruding the first edge 211 in a direction away from the isolation opening 210 , which not only improves the overlapping effect of the vapor deposition material on the first edge 211 , but also increases the area of ​​the isolation opening 210 , thereby increasing the aperture ratio of the display panel 10 .

[0109] In some optional embodiments, at least a portion of the first electrode 400 overlaps with an inner wall surface of the isolation structure 200 corresponding to the first edge 211 .

[0110] In some optional embodiments, the first electrode 400 includes a first part (not shown) and a second part (not shown), the first part overlaps the inner wall surface of the isolation structure 200 corresponding to the first edge 211, and the second part overlaps the inner wall surface of the isolation structure 200 corresponding to the second edge 212.

[0111] Optionally, the overlap area per unit length between the first portion and the first side 211 is greater than the overlap area per unit length between the second portion and the second side 212. It can be understood that the overlap area per unit length of the first electrode 400 at the first side 211 is greater than the overlap area per unit length of the first electrode 400 at the second side 212.

[0112] Optionally, the distance from the surface of the first portion facing away from the substrate 100 to the substrate 100 is greater than the distance from the surface of the second portion facing away from the substrate 100 to the substrate 100, that is, the upper surface of the first portion is higher than the upper surface of the second portion.

[0113] Optionally, the distance between the surface of the first portion facing the substrate 100 and the surface away from the substrate 100 is greater than the distance between the surface of the second portion facing the substrate 100 and the surface away from the substrate 100, that is, the thickness of the first portion is greater than the thickness of the second portion.

[0114] In the display panel 10 provided in the embodiment of the present application, the overlap effect of the evaporated material on the first side 211 is better than that on the second side 212 , so that the thickness of the first part is thicker than that of the second part, thereby reducing the impedance between the first part and the isolation structure 200 .

[0115] like Figure 4 As shown, in some optional embodiments, the isolation structure 200 includes an isolation wall 230 and a blocking portion 240, the blocking portion 240 is located on the side of the isolation wall 230 facing away from the substrate 100, the orthographic projection of the isolation wall 230 on the substrate 100 is located within the orthographic projection of the blocking portion 240 on the substrate 100, and the inner wall surface of the isolation wall 230 facing the isolation opening 210 overlaps with the first electrode 400.

[0116] Optionally, the orthographic projection shape of the opening formed by the isolation wall 230 on the substrate 100 is the same as the orthographic projection shape of the opening formed by the blocking portion 240 on the substrate 100 .

[0117] Optionally, the orthographic projection of the opening enclosed by the isolation wall 230 on the substrate 100 coincides with the orthographic projection of the corresponding isolation opening 210 on the substrate 100. It can be understood that the isolation opening 210 mentioned in the above embodiment refers to the opening enclosed by the isolation wall 230. Figures 2 to 3 , Figures 5 to 8 The middle ones are enlarged structural schematic diagrams after the blocking part 240 is hidden.

[0118] Optionally, at least part of the isolation wall 230 is made of a conductive material, and the first electrode 400 and the isolation wall 230 are conductively connected, so that a plurality of first electrodes 400 can be interconnected through the isolation wall 230 to form a whole-surface electrode.

[0119] The display panel 10 provided in the embodiment of the present application makes the isolation structure 200 form a roof shape by making the orthographic projection of the isolation wall 230 on the substrate 100 be located within the orthographic projection of the blocking portion 240 on the substrate 100. When the light-emitting material is evaporated, the light-emitting material can be broken near the isolation structure 200 to form independent light-emitting units 300, thereby omitting the tight mask evaporation process and simplifying the preparation process of the display panel 10.

[0120] like Figure 8 As shown, in some optional embodiments, the isolation opening 210 includes a first isolation opening 250 and a second isolation opening 260, the first isolation opening 250 is used to accommodate a light-emitting unit 300 that emits a first color, and the second isolation opening 260 is used to accommodate a light-emitting unit 300 that emits a second color, and the first isolation opening 250 and the second isolation opening 260 are parallel to each other at the first edge 211 of the orthographic projection figure of the substrate 100.

[0121] The display panel 10 provided in the embodiment of the present application improves the overlapping effect of the light emitting units 300 of different colors in the isolation openings 210 by making the first sides 211 of the isolation openings 210 accommodating the light emitting units 300 of different colors parallel to each other.

[0122] Optionally, in other embodiments, the orthographic projection pattern of the first isolation opening 250 on the substrate 100 is different from the orthographic projection pattern of the second isolation opening 260 on the substrate 100. This allows the isolation openings 210 for accommodating light-emitting units 300 of different colors to be set to different shapes according to actual needs, thereby increasing the application scenarios of the display panel 10.

[0123] Optionally, in other embodiments, the orthographic projection of the first isolation opening 250 on the substrate 100 is different from the orthographic projection of the second isolation opening 260 on the substrate 100. This allows the isolation openings 210 for accommodating light-emitting units 300 of different colors to be set to different sizes according to actual needs, thereby increasing the application scenarios of the display panel 10.

[0124] In some optional embodiments, the isolation opening 210 also includes a third isolation opening 270, which is used to accommodate a light-emitting unit 300 that emits a third color, and the first edge 211 of the orthographic projection figure of the third isolation opening 270 on the substrate 100 and the first edge 211 of the orthographic projection figure of the first isolation opening 250 on the substrate 100 are parallel to each other.

[0125] Optionally, the first color, the second color and the third color are red, green and blue respectively.

[0126] The display panel 10 provided in the embodiment of the present application further improves the overlapping effect of the light emitting units 300 of different colors in the isolation openings 210 by making the first sides 211 of the three isolation openings 210 accommodating the light emitting units 300 of different colors parallel to each other.

[0127] like Figure 4 As shown, in some optional embodiments, the display panel 10 further includes a second electrode 500 , the second electrode 500 is located on a side of the light emitting unit 300 facing the substrate 100 , and the second electrode 500 is electrically connected to the light emitting unit 300 .

[0128] Optionally, an orthographic projection of the second electrode 500 on the substrate 100 at least partially overlaps with an orthographic projection of the isolation opening 210 on the substrate 100 .

[0129] Optionally, the first electrode 400 and the second electrode 500 are both electrically connected to the light-emitting unit 300, and the second electrode 500 and the first electrode 400 provide power to the light-emitting unit 300 to drive the light-emitting unit 300 to emit light. Specifically, one of the second electrode 500 and the first electrode 400 is an anode, and the other is a cathode. The embodiment of the present application is described by taking the second electrode 500 as an anode and the first electrode 400 as a cathode.

[0130] Please refer to Fig. 9 and Fig.10 , Fig. 9 In one example Figure 8 Sectional view at CC; Fig.10 In another example Figure 8 Cross-sectional view at CC.

[0131] In some optional embodiments, the display panel 10 further includes an insulating layer 600, which is disposed on the substrate 100, and a pixel opening 610 is disposed on the insulating layer 600, and the orthographic projection of the pixel opening 610 on the substrate 100 is located within the orthographic projection of the isolation opening 210 on the substrate, and at least part of the light-emitting unit 300 is accommodated in the pixel opening 610, and the orthographic projection pattern of the pixel opening 610 on the substrate 100 includes a third side (not shown), and the third side is parallel or perpendicular to the first direction x. That is, the third side is parallel or perpendicular to the first side 211.

[0132] Optionally, the orthographic projection pattern of the pixel opening 610 on the substrate 100 is consistent with the orthographic projection pattern of the isolation opening 210 on the substrate 100 .

[0133] Optional, such as Fig. 9As shown, the insulating layer 600 is a pixel definition layer, and the isolation structure 200 is disposed on a side of the pixel definition layer away from the substrate 100 .

[0134] Optional, such as Fig.10 As shown, a clearance opening 620 is provided on the insulating layer 600, at least a portion of the substrate 100 is exposed by the clearance opening 620, and the isolation structure 200 is arranged on the substrate 100 exposed by the clearance opening 620. The insulating layer 600 is only provided to surround each second electrode 500. The second electrode 500 has an effective area and an edge area arranged around the effective area. The insulating layer 600 includes a plurality of insulating parts, each of which covers the edge area of ​​each second electrode 500, and the effective area is exposed by the pixel opening 610. The effective area determines the light-emitting area, and the edge area is covered by the insulating layer 600 to improve the short-circuit connection between the isolation structure 200 and the second electrode 500. The clearance opening 620 is formed between adjacent insulating parts, so that the isolation structure 200 can be arranged on the substrate 100 through the gap between the adjacent insulating parts.

[0135] like Fig. 9 As shown, in some optional embodiments, the display panel 10 further includes an encapsulation layer 700 , which is located on a side of the first electrode 400 facing away from the substrate 100 , and at least a portion of the encapsulation layer 700 overlaps the isolation structure 200 .

[0136] Optionally, the encapsulation layer 700 includes a first encapsulation layer 710, and the first encapsulation layer 710 includes a plurality of first encapsulation units 711 spaced apart from each other, the first encapsulation units 711 are located on the side of the first electrode 400 facing away from the substrate 100, and at least part of the first encapsulation units 711 also covers the side wall of the isolation structure 200 facing the isolation opening 210 and extends to the side of the isolation structure 200 facing away from the substrate 100. The first encapsulation units 711 are used to encapsulate the isolation opening 210, reduce the oxidation erosion of the device in the isolation opening 210 by external water vapor, and thereby increase the life of the display panel 10.

[0137] Optionally, the material of the first encapsulation layer 710 includes an inorganic material. That is, the first encapsulation layer 710 is an inorganic encapsulation layer, which can be prepared by chemical vapor deposition, which can improve the compactness of the first encapsulation layer 710 and thus improve the encapsulation effect of the encapsulation layer 700 .

[0138] Optionally, the encapsulation layer 700 further includes a second encapsulation layer 720, which is located on the side of the first encapsulation layer 710 away from the substrate 100, and the material of the second encapsulation layer 720 includes an organic material. That is, the second encapsulation layer 720 is an organic encapsulation layer, which can be prepared by inkjet printing, so that the encapsulation layer 700 has a suitable thickness.

[0139] Optionally, the encapsulation layer 700 further includes a third encapsulation layer located on the side of the second encapsulation layer 720 away from the substrate 100, and the material of the third encapsulation layer 730 includes an inorganic material. That is, the third encapsulation layer 730 is an inorganic encapsulation layer, and further adding an inorganic encapsulation layer outside the organic encapsulation layer can further improve the encapsulation effect of the encapsulation layer 700.

[0140] Optionally, the third encapsulation layer 730 is made of the same material as the first encapsulation layer 710. This allows the first encapsulation layer 710 and the third encapsulation layer 730 to be prepared using the same equipment, thereby simplifying the manufacturing process of the display panel.

[0141] Please refer to Figure 6 and Fig.11 , Fig.11 The diagram is a schematic top view of the structure of an exemplary light emitting unit.

[0142] like Figure 6 and Fig.11 As shown, in some optional embodiments, the orthographic projection pattern of the light emitting unit 300 on the substrate 100 includes a fourth side 310 and a fifth side 320 enclosing the light emitting unit 300 , and the fourth side 310 is perpendicular or parallel to the first direction x.

[0143] Optionally, the fourth side 310 abuts against the first side 211 , and the fourth side 310 is parallel to the first side 211 .

[0144] Please refer to Fig.11 and Fig.12 , Fig.12 It is a schematic diagram of a top view of the structure of another example of a light emitting unit.

[0145] like Fig.11 and Fig.12 As shown, in some optional embodiments, the orthographic projection pattern of the light emitting unit 300 on the substrate 100 includes a fourth side 310 and a fifth side 320, and the fifth side 320 includes at least one of an arc segment or a broken line segment.

[0146] Preferably, the arc segment includes at least one of a circular arc segment or an elliptical arc segment, such as Fig.11 shown.

[0147] Preferably, the broken line segment includes at least two connected straight line segments, such as Fig.12 shown.

[0148] The display panel 10 provided in the embodiment of the present application enables the fifth side 320 to include at least one of an arc segment or a broken line segment, so that the light-emitting unit 300 can be designed into different shapes according to actual needs, thereby increasing the application scenarios of the display panel 10.

[0149] Please refer to Fig.13 and Fig.14 , Fig.14 It is a schematic diagram of a top view of the structure of another exemplary light-emitting unit.

[0150] like Fig.13 and Fig.14 As shown, the orthographic projection of the light emitting unit 300 on the substrate 100 includes two fourth sides 310 and two fifth sides 320, and the fourth sides 310 and the fifth sides 320 are alternately arranged and connected in sequence along the circumference of the light emitting unit 300. The fourth sides 310 and the fifth sides 320 can be connected directly or by filleting or chamfering.

[0151] Optionally, the two fourth sides 310 are parallel to each other.

[0152] Optionally, the lengths of the two fourth sides 310 are equal, and the lengths of the two fifth sides 320 are equal, such as Fig.13 shown.

[0153] Optionally, the lengths of the two fourth sides 310 are not equal, and the lengths of the two fifth sides 320 are not equal, such as Fig.14 shown.

[0154] Optionally, the fifth side 320 includes at least one of a straight line segment, an arc segment, or a broken line segment;

[0155] Optionally, the fifth side 320 is a combination of a straight line segment and an arc segment.

[0156] The display panel 10 provided in the embodiment of the present application has the light-emitting unit 300 include two fourth sides 310 and two fifth sides 320, and the two fourth sides 310 are parallel to each other, thereby further improving the overlapping effect of the light-emitting material in the isolation opening 210 and further improving the performance of the display panel 10.

[0157] like Figure 2 and Fig.13 As shown, in some optional embodiments, the fifth side 320 includes a fourth sub-side 321 and a fifth sub-side 322 that are connected to each other, the fourth sub-side 321 and the fifth sub-side 322 are both straight line segments, the fifth sub-sides 322 in the two fifth sides 320 are parallel to each other, and the fourth sub-sides 321 in the two fifth sides 320 are parallel to each other.

[0158] Optionally, the fourth sub-side 321 abuts against the first sub-side 213, and the fourth sub-side 321 is parallel to the first sub-side 213, that is, the fourth sub-side 321 is parallel to the third direction a. The fifth sub-side 322 abuts against the second sub-side 214, and the fifth sub-side 322 is parallel to the second sub-side 214, that is, the fifth sub-side 322 is parallel to the fourth direction c.

[0159] The display panel 10 provided in the embodiment of the present application makes the fifth side 320 include a fourth sub-side 321 and a fifth sub-side 322 that are interconnected, the fifth sub-sides 322 in the two fifth sides 320 are parallel to each other, and the fourth sub-sides 321 in the two fifth sides 320 are parallel to each other, so that the orthographic projection pattern of the light-emitting unit 300 on the substrate 100 is a hexagon with opposite sides parallel to each other. The mask used to prepare the light-emitting unit 300 only needs to be simply improved on the basis of the existing mask, thereby saving the design cost of the mask.

[0160] Please refer to Figure 8 and Fig.15 , Fig.15 It is a schematic diagram of a top view of the structure of another exemplary light-emitting unit.

[0161] like Figure 8 and Fig.15 As shown, in some optional embodiments, the fifth side 320 further includes two sixth sub-sides 323 , the sixth sub-sides 323 are straight line segments, and the fourth sub-side 321 and the fifth sub-side 322 are respectively connected to the two fourth sides 310 through different sixth sub-sides 323 .

[0162] Optionally, the two sixth sub-sides 323 in the fifth side 320 are parallel to each other. More preferably, the extension lines of the two sixth sub-sides 323 in the fifth side 320 are collinear.

[0163] Optionally, the sixth sub-sides 323 of the two fifth sides 320 are parallel to each other. The sixth sub-side 323 abuts against the third sub-side 215 , and the sixth sub-side 323 is parallel to the third sub-side 215 .

[0164] Optionally, the fourth side 310 is formed to be convex in a direction away from the center line of the light emitting unit 300 .

[0165] The display panel 10 provided in the embodiment of the present application improves the overlapping effect of the light-emitting material on the first side 211 and increases the area of ​​the light-emitting unit 300, thereby increasing the aperture ratio of the display panel 10 by making the fourth side 310 protrude in the direction away from the center line of the light-emitting unit 300.

[0166] Please refer to Figure 8 and Fig.16 , Fig.16 It is a schematic diagram of a top view of the structure of another exemplary light-emitting unit.

[0167] like Figure 8 and Fig.16As shown, in some optional embodiments, the light emitting unit 300 includes a first light emitting unit 330 and a second light emitting unit 340, the first light emitting unit 330 is used to emit light of a first color, and the second light emitting unit 340 is used to emit light of a second color. The fourth side 310 of the orthographic projection figure of the first light emitting unit 330 and the fourth side 310 of the orthographic projection figure of the second light emitting unit 340 on the substrate 100 are parallel to each other.

[0168] Optionally, the shape of the orthographic projection pattern of the first light emitting unit 330 on the substrate 100 is different from the shape of the orthographic projection pattern of the second light emitting unit 340 on the substrate 100 .

[0169] Optionally, the size of the orthographic projection figure of the first light emitting unit 330 on the substrate 100 is different from the size of the orthographic projection figure of the second light emitting unit 340 on the substrate 100 .

[0170] The display panel 10 provided in the embodiment of the present application improves the overlapping effect of the light emitting units 300 of different colors in the isolation opening 210 by making the fourth sides 310 of the light emitting units 300 emitting light of different colors parallel to each other.

[0171] Optionally, the orthographic projection of the first light emitting unit 330 on the substrate 100 is different from the orthographic projection of the second light emitting unit 340 on the substrate 100. This allows light emitting units 300 of different colors to be configured in different shapes according to actual needs, thereby increasing the application scenarios of the display panel 10.

[0172] In some optional embodiments, the light emitting unit 300 further includes a third light emitting unit 350, which is used to emit light of a third color. The fourth side 310 of the orthographic projection figure of the third light emitting unit 350 on the substrate 100 and the fourth side 310 of the orthographic projection figure of the first light emitting unit 330 on the substrate 100 are parallel to each other.

[0173] Optionally, the first color, the second color and the third color are red, green and blue respectively. At least part of the first light emitting unit 330 is accommodated in the first isolation opening 250 , at least part of the second light emitting unit 340 is accommodated in the second isolation opening 260 , and at least part of the third light emitting unit 350 is accommodated in the third isolation opening 270 .

[0174] Optionally, the first light emitting unit 330, the second light emitting unit 340 and the third light emitting unit 350 are arranged in an array along the first direction x and the second direction y. The first light emitting unit 330, the second light emitting unit 340 and the third light emitting unit 350 are arranged in sequence along the third direction a.

[0175] The display panel 10 provided in the embodiment of the present application further improves the overlapping effect of the light emitting units 300 of different colors in the isolation opening 210 by making the fourth sides 310 of the three light emitting units 300 of different colors parallel to each other.

[0176] The embodiment of the second aspect of the present application also provides a display panel 10, having a display area AA and a non-display area NA at least partially surrounding the display area AA, the non-display area NA includes a binding area BA, the binding area BA is located on one side of the display area AA in the first direction x, the display panel 10 includes a substrate 100 and a light-emitting unit 300, the light-emitting unit 300 is arranged on one side of the substrate 100, and the orthographic projection pattern of the light-emitting unit 300 on the substrate 100 includes a fourth side 310 and a fifth side 320 enclosing the light-emitting unit 300, and the fourth side 310 is perpendicular or parallel to the first direction x.

[0177] The display panel 10 provided in the embodiment of the present application improves the overlapping effect of the light-emitting material by making the fourth side 310 perpendicular or parallel to the first direction x, thereby improving the performance of the display panel 10 .

[0178] The display panel 10 provided in the embodiment of the present application is configured such that the orthographic projection pattern of the isolation opening 210 on the substrate 100 includes a first side 211 and a second side 212 that enclose the isolation opening 210, and the first side 211 is perpendicular or parallel to the first direction x, thereby improving the overlapping effect of the evaporated material in the isolation opening 210, reducing the probability of the light-emitting unit 300 and the first electrode 400 falling off, and reducing the impedance between the first electrode 400 and the isolation structure 200, thereby improving the performance of the display panel 10.

[0179] The embodiment of the third aspect of the present application further provides a display panel 10, including a substrate 100, an isolation structure 200, a light-emitting unit 300 and a first electrode 400. The isolation structure 200 is disposed on one side of the substrate 100, and the isolation structure 200 encloses an isolation opening 210. The orthographic projection of the isolation opening 210 on the substrate 100 includes two first sides 211 and two second sides 212 that enclose the isolation opening 210. The first sides 211 and the second sides 212 are arranged alternately along the circumference of the isolation opening 210. The first side 211 is perpendicular or parallel to the first direction x, and the second side 212 includes a first sub-side 213 and a second sub-side 214 that are connected to each other. The first sub-side 213 and the second sub-side 214 are both straight line segments, and the first direction x and the thickness direction z of the display panel are intersected. The light-emitting unit 300 is at least partially accommodated in the isolation opening 210. The first electrode 400 is located on the side of the light-emitting unit 300 that is away from the substrate 100, and overlaps with the isolation structure 200.

[0180] The display panel 10 provided in the embodiment of the present application improves the overlap effect of the vapor deposition material in the isolation opening 210 by making the first side 211 perpendicular or parallel to the first direction x, reduces the probability of the light-emitting unit 300 and the first electrode 400 falling off, and reduces the impedance between the first electrode 400 and the isolation structure 200, thereby improving the performance of the display panel 10. By making the second side 212 include a first sub-side 213 and a second sub-side 214 connected to each other, and the first sub-sides 213 in the two second sides 212 are parallel to each other, and the second sub-sides 214 in the two second sides 212 are parallel to each other, so that the orthographic projection figure of the isolation opening 210 on the substrate 100 is a hexagon with parallel opposite sides, the mask used to prepare the isolation opening 210 only needs to be simply improved on the basis of the existing mask, thereby saving the design cost of the mask.

[0181] The embodiment of the fourth aspect of the present application also provides a display device, including the display panel 10 of any of the above-mentioned embodiments. Since the display device provided by the embodiment of the fourth aspect of the present application includes the display panel 10 of any of the above-mentioned embodiments of the first aspect, the display device provided by the embodiment of the fourth aspect of the present application has the beneficial effects of the display panel 10 of any of the above-mentioned embodiments of the first aspect, which will not be repeated here.

[0182] 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.

[0183] 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: A display panel having a display area and a non-display area at least partially surrounding the display area, wherein the non-display area includes a binding area, and the binding area is located on one side of the display area in a first direction, and the display panel includes: substrate; An isolation structure is disposed on one side of the substrate, at least a portion of the isolation structure encloses an isolation opening, the orthographic projection of the isolation opening on the substrate includes a first side and a second side enclosed to form the isolation opening, and the first side is perpendicular or parallel to the first direction; A light emitting unit is at least partially accommodated in the isolation opening; The first electrode is located on a side of the light emitting unit away from the substrate and overlaps the isolation structure.

2. The display panel according to claim 1, characterized in that: The isolation opening includes a first side and a second side in an orthographic projection of the substrate, and the second side includes at least one of an arc segment or a broken line segment; Preferably, the arc segment includes at least one of a circular arc segment or an elliptical arc segment; Preferably, the broken line segment includes at least two connected straight line segments.

3. The display panel according to claim 1, characterized in that: The orthographic projection of the isolation opening on the substrate includes two first sides and two second sides, and the first sides and the second sides are alternately arranged and connected in sequence along the circumference of the isolation opening; Preferably, the two first sides are parallel to each other; Preferably, the lengths of the two first sides are equal, and the lengths of the two second sides are equal; Preferably, the lengths of the two first sides are not equal, and the lengths of the two second sides are not equal; Preferably, the second side includes at least one of a straight line segment, an arc segment or a broken line segment; Preferably, the second side is a combination of the straight line segment and the arc segment.

4. The display panel according to claim 3, characterized in that: The second side includes a first sub-side and a second sub-side connected to each other, the first sub-side and the second sub-side are both straight line segments, the first sub-sides in two second sides are parallel to each other, and the second sub-sides in two second sides are parallel to each other.

5. The display panel according to claim 4, characterized in that: The second side further includes two third sub-sides, the third sub-sides are straight line segments, and the first sub-side and the second sub-side are connected to the two first sides through different third sub-sides respectively; Preferably, the two third sub-sides of the second side are parallel to each other; Preferably, the third sub-sides of the two second sides are parallel to each other; Preferably, the first edge is convexly formed in a direction away from the isolation opening.

6. The display panel according to any one of claims 1 to 4, characterized in that: The isolation structure further encloses to form a first opening, and a plurality of the first openings are arranged at intervals; Preferably, the first side is parallel to the first direction; Preferably, the first openings and the isolation openings are alternately arranged in a second direction, and the second direction intersects with the first direction; Preferably, the first opening is a light-transmitting opening.

7. The display panel according to claim 1, characterized in that: At least a portion of the first electrode overlaps an inner wall surface of the isolation structure corresponding to the first side.

8. The display panel according to claim 7, characterized in that: The first electrode includes a first portion and a second portion, the first portion overlaps with an inner wall surface of the isolation structure corresponding to the first side, and the second portion overlaps with an inner wall surface of the isolation structure corresponding to the second side; Preferably, the overlap area per unit length between the first portion and the first side is greater than the overlap area per unit length between the second portion and the second side; Preferably, the distance between the surface of the first portion facing the substrate and the surface away from the substrate is greater than the distance between the surface of the second portion facing the substrate and the surface away from the substrate.

9. The display panel according to claim 1, characterized in that: The isolation structure comprises an isolation wall and a barrier portion, wherein the barrier portion is arranged on a side of the isolation wall away from the substrate, the orthographic projection of the isolation wall on the substrate is located within the orthographic projection of the barrier portion on the substrate, and the inner wall surface of the isolation wall facing the isolation opening overlaps the first electrode; Preferably, the orthographic projection of the opening formed by the isolation wall on the substrate is the same as the orthographic projection of the opening formed by the blocking portion on the substrate; Preferably, the orthographic projection of the opening formed by the isolation wall on the substrate coincides with the orthographic projection of the corresponding isolation opening on the substrate.

10. The display panel according to claim 1, characterized in that: The isolation opening comprises a first isolation opening and a second isolation opening, the first isolation opening is used to accommodate the light emitting unit emitting a first color, the second isolation opening is used to accommodate the light emitting unit emitting a second color, the first isolation opening is parallel to the first side of the orthographic projection figure of the substrate and the second isolation opening is parallel to the first side of the orthographic projection figure of the substrate; Preferably, the orthographic projection pattern of the first isolation opening on the substrate is different from the orthographic projection pattern of the second isolation opening on the substrate; Preferably, the sizes of the orthographic projection figure of the first isolation opening on the substrate and the orthographic projection figure of the second isolation opening on the substrate are different.

11. The display panel according to claim 10, characterized in that: The isolation opening also includes a third isolation opening, which is used to accommodate the light-emitting unit emitting a third color, and the third isolation opening is parallel to the first side of the orthographic projection figure of the substrate and the first isolation opening is parallel to the first side of the orthographic projection figure of the substrate.

12. The display panel according to claim 1, characterized in that: Also includes: an insulating layer, disposed on the substrate, a pixel opening being disposed on the insulating layer, an orthographic projection of the pixel opening on the substrate being located within an orthographic projection of the isolation opening on the substrate, at least a portion of the light-emitting unit being accommodated in the pixel opening, an orthographic projection pattern of the pixel opening on the substrate including a third side, and the third side being perpendicular or parallel to the first direction; Preferably, the orthographic projection pattern of the pixel opening on the substrate is consistent with the orthographic projection pattern of the isolation opening on the substrate; Preferably, the insulating layer is a pixel definition layer, and the isolation structure is arranged on a side of the pixel definition layer away from the substrate; Alternatively, a clearance opening is provided on the insulating layer, at least a portion of the substrate is exposed through the clearance opening, and the isolation structure is arranged on the substrate exposed through the clearance opening.

13. The display panel according to claim 1, characterized in that: Also includes: An encapsulation layer, located on a side of the first electrode away from the substrate, at least a portion of the encapsulation layer overlaps the isolation structure; Optionally, the encapsulation layer includes a first encapsulation layer, the first encapsulation layer includes a plurality of first encapsulation units spaced apart from each other, the first encapsulation units are located on a side of the first electrode away from the substrate, and at least part of the first encapsulation units also cover a side wall of the isolation structure facing the isolation opening and extend to a side of the isolation structure away from the substrate; Preferably, the material of the first encapsulation layer includes an inorganic material; Preferably, the encapsulation layer further comprises a second encapsulation layer, the second encapsulation layer is located on a side of the first encapsulation layer away from the substrate, and a material of the second encapsulation layer comprises an organic material; Preferably, the encapsulation layer further comprises a third encapsulation layer located on a side of the second encapsulation layer away from the substrate, and a material of the third encapsulation layer comprises an inorganic material; Preferably, the third encapsulation layer is made of the same material as the first encapsulation layer.

14. The display panel according to claim 1, characterized in that: Also includes: A second electrode, located on a side of the light-emitting unit facing the substrate, the second electrode being electrically connected to the light-emitting unit; Preferably, an orthographic projection of the second electrode on the substrate at least partially overlaps with an orthographic projection of the isolation opening on the substrate.

15. A display panel, characterized in that: A display panel having a display area and a non-display area at least partially surrounding the display area, wherein the non-display area includes a binding area, and the binding area is located on one side of the display area in a first direction, and the display panel includes: substrate; A light emitting unit is arranged on one side of the substrate, and the orthographic projection pattern of the light emitting unit on the substrate includes a fourth side and a fifth side enclosing the light emitting unit, and the fourth side is perpendicular or parallel to the first direction.

16. The display panel according to claim 15, characterized in that: The orthographic projection of the light emitting unit on the substrate includes a fourth side and a fifth side, and the fifth side includes at least one of an arc segment or a broken line segment; Preferably, the arc segment includes at least one of a circular arc segment or an elliptical arc segment; Preferably, the broken line segment includes at least two connected straight line segments.

17. The display panel according to claim 15, characterized in that: The orthographic projection pattern of the light emitting unit on the substrate includes two fourth sides and two fifth sides, and the fourth sides and the fifth sides are alternately arranged and connected in sequence along the circumference of the light emitting unit; Preferably, the two fourth sides are parallel to each other; Preferably, the lengths of the two fourth sides are equal, and the lengths of the two fifth sides are equal; Preferably, the lengths of the two fourth sides are not equal, and the lengths of the two fifth sides are not equal; Preferably, the fifth side includes at least one of a straight line segment, an arc segment or a broken line segment; Preferably, the fifth side is a combination of the straight line segment and the arc segment.

18. The display panel according to claim 17, characterized in that: The fifth side includes a fifth sub-side and a fourth sub-side connected to each other, the fourth sub-side and the fifth sub-side are both straight line segments, the fifth sub-sides in two of the fifth sides are parallel to each other, and the fourth sub-sides in two of the fifth sides are parallel to each other.

19. The display panel according to claim 18, characterized in that: The fifth side also includes two sixth sub-sides, the sixth sub-sides are straight line segments, and the fourth sub-side and the fifth sub-side are connected to the two fourth sides through different sixth sub-sides respectively; Preferably, two of the sixth sub-sides of the fifth side are parallel to each other; Preferably, the sixth sub-sides of the two fifth sides are parallel to each other; Preferably, the fourth side is convexly formed in a direction away from the center line of the light-emitting unit.

20. The display panel according to claim 15, characterized in that: The light-emitting unit includes a first light-emitting unit and a second light-emitting unit, the first light-emitting unit is used to emit light of a first color, the second light-emitting unit is used to emit light of a second color, and the first light-emitting unit and the second light-emitting unit are parallel to each other at the fourth side of the orthographic projection figure of the substrate; Preferably, the orthographic projection pattern of the first light emitting unit on the substrate is different from the orthographic projection pattern of the second light emitting unit on the substrate; Preferably, the size of the orthographic projection figure of the first light emitting unit on the substrate is different from the size of the orthographic projection figure of the second light emitting unit on the substrate.

21. The display panel according to claim 20, characterized in that: The light-emitting unit also includes a third light-emitting unit, which is used to emit light of a third color. The third light-emitting unit is parallel to the fourth side of the orthographic projection image of the substrate and the fourth side of the orthographic projection image of the substrate by the first light-emitting unit.

22. The display panel according to claim 15, characterized in that: Also includes: An isolation structure, disposed on one side of the substrate, the isolation structure encloses an isolation opening, and at least a portion of the light-emitting unit is accommodated in the isolation opening; The first electrode is located on a side of the light emitting unit away from the substrate and overlaps the isolation structure.

23. A display panel, characterized in that: include: substrate; an isolation structure, arranged on one side of the substrate, the isolation structure encloses an isolation opening, the isolation opening in an orthographic projection of the substrate includes two first sides and two second sides enclosed to form the isolation opening, the first sides and the second sides are alternately arranged in sequence along the circumference of the isolation opening, the first side is perpendicular or parallel to a first direction, the second side includes a first sub-side and a second sub-side connected to each other, the first sub-side and the second sub-side are both straight line segments, and the first direction is intersected with a thickness direction of the display panel; A light emitting unit is at least partially accommodated in the isolation opening; The first electrode is located on a side of the light emitting unit away from the substrate and overlaps the isolation structure.

24. The display panel according to claim 23, characterized in that: The first sub-sides of two of the second sides are parallel to each other, and the second sub-sides of two of the second sides are parallel to each other.

25. The display panel according to claim 23, characterized in that: The second side further includes two third sub-sides, the third sub-sides are straight line segments, and the first sub-side and the second sub-side are connected to the two first sides through different third sub-sides respectively; Preferably, the two third sub-sides of the second side are parallel to each other; Preferably, the third sub-sides of the two second sides are parallel to each other; Preferably, the first edge is convexly formed in a direction away from the isolation opening.

26. The display panel according to any one of claims 23 to 24, characterized in that: The isolation structure further encloses to form a first opening, and a plurality of the first openings are arranged at intervals; Preferably, the first side is parallel to the first direction; Preferably, the first openings and the isolation openings are alternately arranged in a second direction, and the second direction intersects with the first direction; Preferably, the first opening is a light-transmitting opening.

27. The display panel according to claim 23, characterized in that: The display panel comprises a display area and a non-display area at least partially surrounding the display area, the non-display area comprises a binding area, and the binding area is located at one side of the display area in the first direction; Preferably, the first side is perpendicular or parallel to the first direction.

28. A display device, characterized in that: A display panel comprising any one of claims 1-27.

Citation Information

Cited By

  • Display panel, display device and preparation method of display panel

    CN120187230A