阅读说明：本技术 显示面板及显示模组 (Display panel and display module ) 是由 樊聪聪 龚文亮 于 2020-06-23 设计创作，主要内容包括：本申请提出了一种显示面板及显示模组,其包括阵列基板、位于该阵列基板上的像素定义层以及发光器件层。该发光器件层包括阳极层、发光层、及阴极层,该发光层包括多个发光单元。本申请通过在相邻两个该发光单元之间设置至少一第一凹槽,使得该阴极层通过该第一凹槽与该像素定义层连接,增加了该阴极层与该像素定义层的接触面积,提高了发光器件层内膜层之间的粘附作用力,避免了发光器件层内膜层出现分离的技术问题。(The application provides a display panel and a display module, which comprise an array substrate, a pixel definition layer and a light-emitting device layer, wherein the pixel definition layer and the light-emitting device layer are positioned on the array substrate. The light emitting device layer includes an anode layer, a light emitting layer including a plurality of light emitting cells, and a cathode layer. This application is through setting up an at least first recess between adjacent two this luminescence units for this cathode layer is connected with this pixel definition layer through this first recess, has increased the area of contact of this cathode layer with this pixel definition layer, has improved the adhesion effort between the interior rete of luminescent device layer, has avoided the interior rete of luminescent device layer to appear the technical problem of separation.)

1. A display panel is characterized by comprising an array substrate, a pixel definition layer and a light-emitting device layer which are positioned on the array substrate, and an encapsulation layer positioned on the light-emitting device layer;

the light emitting device layer comprises an anode layer positioned on the array substrate, a light emitting layer positioned on the anode layer, and a cathode layer positioned on the light emitting layer, wherein the light emitting layer comprises a plurality of light emitting units;

at least one first groove is arranged between every two adjacent light-emitting units, and the cathode layer is connected with the pixel definition layer through the first grooves.

2. The display panel according to claim 1,

the light emitting device layer further includes a first common layer between the anode layer and the light emitting layer, and a second common layer between the light emitting layer and the cathode layer;

the first groove penetrates through the first common layer and the second common layer so as to expose part of the pixel defining layer;

the first groove is located in a non-pixel area of the display panel.

3. The display panel according to claim 1,

the display panel further comprises a second groove positioned on the pixel defining layer;

the orthographic projection of the second groove on the array substrate is positioned in the orthographic projection of the first groove on the array piece, and the opening angle of the second groove is larger than or equal to that of the first groove;

wherein one first groove corresponds to at least one second groove.

4. The display panel according to claim 3,

the second groove penetrates through part of the pixel defining layer, and the cathode layer is connected with the pixel defining layer through the first groove and the second groove; or

The second groove penetrates through the pixel defining layer, and the cathode layer is connected with the pixel defining layer and the array substrate through the first groove and the second groove.

5. The display panel according to claim 3,

the display panel further comprises at least one viscous device arranged in the first groove;

the adhesive device is located on the pixel defining layer and adjacent to the second groove.

6. The display panel according to claim 5,

the materials of the viscous device comprise propylene glycol methyl ether acetate, polyisobutylene, butyl rubber, microcrystalline wax and trichloromethane; alternatively, the adhesive device further comprises a black dye.

7. The display panel according to claim 3,

the display panel further comprises a third groove positioned on the array substrate, and the third groove penetrates through at least one film layer in the array substrate;

the orthographic projection of the third groove on the substrate of the array substrate is positioned in the orthographic projection of the second groove on the substrate, and the opening angle of the third groove is larger than or equal to that of the second groove;

wherein one of the second grooves corresponds to at least one of the third grooves.

8. The display panel according to claim 1, wherein the pixel defining layer corresponding to the first groove is further provided with at least one first convex surface and/or at least one first concave surface;

the cathode layer is nested with the pixel defining layer by the first convex surface and/or the first concave surface.

9. The display panel of claim 1, further comprising a filling layer between the cathode layer and the encapsulation layer, the filling layer corresponding to the first groove;

wherein the filler layer is composed of a flexible material.

10. A display module, wherein the display panel comprises the display panel according to any one of claims 1 to 9, a polarizer layer on the display panel, and a cover plate layer on the polarizer layer.

Technical Field

The application relates to the field of display, in particular to a display panel and a display module.

Background

In the flat panel display technology, an Organic Light-Emitting Diode (OLED) display has many advantages of being Light and thin, Emitting Light actively, fast in response speed, large in visible angle, wide in color gamut, high in brightness, low in power consumption, and the like, and is gradually becoming a third generation display technology following the liquid crystal display.

Disclosure of Invention

The application provides a display panel and display module to solve the technical problem that the rete separation appears in the inside rete of present flexible display panel at crooked or developments folding in-process panel.

In order to solve the above problems, the technical solution provided by the present application is as follows:

the application provides a display panel, which comprises an array substrate, a pixel definition layer and a light-emitting device layer which are positioned on the array substrate, and an encapsulation layer positioned on the light-emitting device layer;

the light emitting device layer comprises an anode layer positioned on the array substrate, a light emitting layer positioned on the anode layer, and a cathode layer positioned on the light emitting layer, wherein the light emitting layer comprises a plurality of light emitting units;

at least one first groove is arranged between every two adjacent light-emitting units, and the cathode layer is connected with the pixel definition layer through the first grooves.

In the display panel of the present application, the light emitting device layer further includes a first common layer between the anode layer and the light emitting layer, and a second common layer between the light emitting layer and the cathode layer;

the first groove penetrates through the first common layer and the second common layer so as to expose part of the pixel defining layer;

the first groove is located in a non-pixel area of the display panel.

In the display panel of the present application,

the display panel further comprises a second groove positioned on the pixel defining layer;

the orthographic projection of the second groove on the array substrate is positioned in the orthographic projection of the first groove on the array piece, and the opening angle of the second groove is larger than or equal to that of the first groove;

wherein one first groove corresponds to at least one second groove.

In the display panel of the present application, the second groove penetrates through a portion of the pixel defining layer, and the cathode layer is connected to the pixel defining layer through the first groove and the second groove; or

The second groove penetrates through the pixel defining layer, and the cathode layer is connected with the pixel defining layer and the array substrate through the first groove and the second groove.

In the display panel of the present application,

the display panel further comprises at least one viscous device arranged in the first groove;

the adhesive device is located on the pixel defining layer and adjacent to the second groove.

In the display panel of the present application, the material of the adhesive means includes propylene glycol methyl ether acetate, polyisobutylene, butyl rubber, microcrystalline wax, chloroform; alternatively, the adhesive device further comprises a black dye.

In the display panel of the present application, the display panel further includes a third groove located on the array substrate, where the third groove penetrates through at least one film layer in the array substrate;

the orthographic projection of the third groove on the substrate of the array substrate is positioned in the orthographic projection of the second groove on the substrate, and the opening angle of the third groove is larger than or equal to that of the second groove;

wherein one of the second grooves corresponds to at least one of the third grooves.

In the display panel of the present application, at least one first convex surface and/or at least one first concave surface is further disposed on the pixel defining layer corresponding to the first groove;

the cathode layer is nested with the pixel defining layer by the first convex surface and/or the first concave surface.

In the display panel of the present application, the display panel further includes a filling layer located between the cathode layer and the encapsulation layer, and the filling layer corresponds to the first groove;

wherein the filler layer is composed of a flexible material.

The application has still provided a display module assembly, wherein, display panel includes above-mentioned display panel, and is located last polarizer layer of display panel and being located apron layer on the polarizer layer.

Has the advantages that: the application provides a display panel, which comprises an array substrate, a pixel definition layer and a light-emitting device layer, wherein the pixel definition layer and the light-emitting device layer are positioned on the array substrate. The light emitting device layer includes an anode layer, a light emitting layer including a plurality of light emitting cells, and a cathode layer. This application is through adjacent two set up an at least first recess between the luminescence unit, make the cathode layer passes through first recess with the pixel definition layer is connected, has increased the cathode layer with the area of contact on pixel definition layer has improved the adhesion effort between the interior rete of luminescent device layer, has avoided the interior rete of luminescent device layer to appear the technical problem of separation.

Drawings

The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.

FIG. 1 is a first structural diagram of a display panel according to the present application;

FIG. 2 is a second structural diagram of a display panel according to the present application;

FIG. 3 is a third structural diagram of a display panel according to the present application;

FIG. 4 is a fourth structural diagram of a display panel according to the present application;

FIG. 5 is a fifth structural diagram of a display panel according to the present application;

FIG. 6 is a sixth structural view of a display panel according to the present application;

fig. 7 is a seventh structural view of a display panel according to the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.