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CN-122002998-A - Display panel, display device and preparation method of display panel

CN122002998ACN 122002998 ACN122002998 ACN 122002998ACN-122002998-A

Abstract

The application discloses a display panel, a display device and a preparation method of the display panel, wherein the display panel comprises a substrate, a first substrate and a second substrate, wherein the first surface and the second surface are opposite; the device comprises a substrate, a first wire and a second wire, wherein the first wire is arranged on one side of the first surface of the substrate, the second wire is arranged on one side of the second surface of the substrate, a first groove is formed in the surface, deviating from the substrate, of the first wire, the side wire is electrically connected with the first wire and the second wire, and orthographic projection of the side wire on the substrate and orthographic projection of the first groove on the substrate are at least partially overlapped. Through the mode, the application can improve the product yield.

Inventors

  • Huang Sansi

Assignees

  • 成都辰显光电有限公司

Dates

Publication Date
20260508
Application Date
20241107

Claims (10)

  1. 1. A display panel, comprising: A substrate provided with a first surface and a second surface which are opposite; the first wiring is arranged on one side of the first surface of the substrate, the second wiring is arranged on one side of the second surface of the substrate, and a first groove is formed in the surface, deviating from the substrate, of the first wiring; And the side wiring is electrically connected with the first wiring and the second wiring, wherein the orthographic projection of the side wiring on the substrate and the orthographic projection of the first groove on the substrate are at least partially overlapped.
  2. 2. The display panel according to claim 1, wherein the number of the first grooves is plural, the plural first grooves are arranged at intervals along a first direction, the first direction intersects with a second direction, and the second direction is a direction in which a non-display area through which the side wiring passes is directed to a display area; preferably, the first groove is a through groove or a blind groove; preferably, the depth of the first groove is greater than 200 nanometers; Preferably, the cross section of the first groove perpendicular to the substrate is in a parallelogram or triangle shape; preferably, the thickness of the first trace ranges from 720 nm to 880 nm; preferably, the display panel is a Micro-LED display panel or a Mini-LED display panel.
  3. 3. A display assembly, comprising: A substrate provided with a first surface and a second surface which are opposite; The first wiring is arranged on one side of the first surface of the substrate, and the second wiring is arranged on one side of the second surface of the substrate; The protective film is attached to one side of the first surface of the substrate, and part of the protective film extends to one side of the first wiring away from the substrate so as to cover part of the first wiring; The side wiring is electrically connected with the first wiring and the second wiring, a first easily-broken structure is arranged at the first end of the side wiring, which is positioned on the first surface, and the orthographic projection of the first easily-broken structure on the substrate is positioned in the orthographic projection of the first wiring on the substrate.
  4. 4. A display assembly according to claim 3, wherein a surface of the first trace facing away from the substrate is provided with a first recess, and an orthographic projection of the side trace on the substrate covers an orthographic projection of the first recess on the substrate, wherein the first frangible structure is a structure in which the side trace is located in the first recess; Preferably, the number of the first grooves is a plurality, the plurality of the first grooves are arranged at intervals along a first direction, the first direction intersects with a second direction, and the second direction is a direction in which a non-display area through which the side wiring passes points to a display area; preferably, the first groove is a through groove or a blind groove; preferably, the depth of the first groove is greater than 200 nanometers; Preferably, the cross section of the first groove perpendicular to the substrate is in a parallelogram or triangle shape; preferably, the thickness of the first trace ranges from 720 nm to 880 nm.
  5. 5. A display assembly according to claim 3, wherein the first frangible structure is at least one second groove provided in the first end of the side trace; preferably, the number of the second grooves is a plurality, the plurality of the second grooves are arranged at intervals along a first direction, the first direction intersects with a second direction, and the second direction is a direction in which a non-display area through which the side wiring passes points to a display area; preferably, the second groove is a through groove or a blind groove; preferably, a surface of the first trace facing away from the substrate is a plane.
  6. 6. The display assembly of claim 3, wherein the number of side traces is a plurality, the plurality of side traces being spaced apart along a first direction, wherein the first end of each side trace is provided with the first frangible structure; Preferably, the first frangible structures provided by the plurality of side traces are arranged along a first linear direction; Preferably, the first linear direction is the first direction; Preferably, a second end of the side trace on the second surface is provided with a second frangible structure, and the orthographic projection of the second frangible structure on the substrate is located within the orthographic projection of the second trace on the substrate; preferably, the first frangible structure is the same as the second frangible structure; Preferably, the display component is a Micro-LED display component or a Mini-LED display component.
  7. 7. A display device comprising the display panel according to any one of claims 1 to 2 or the display assembly according to any one of claims 3 to 6.
  8. 8. A method for manufacturing a display panel, the method comprising: providing a substrate, wherein the substrate is provided with a first surface and a second surface which are opposite; Forming a first wire on the first surface of the substrate and a second wire on the second surface of the substrate; Attaching a protective film on one side of the first surface of the substrate, wherein the orthographic projection of the protective film on the substrate covers the orthographic projection part of the first wiring on the substrate; Forming a side edge wiring electrically connecting the first wiring and the second wiring, wherein a first end of the side edge wiring, which is positioned on the first surface, is provided with a first easily-broken structure, and the orthographic projection of the first easily-broken structure on the substrate is positioned in the orthographic projection of the first wiring on the substrate; And removing the protective film.
  9. 9. The method of claim 8, wherein the step of forming a side trace electrically connecting the first trace and the second trace comprises: forming the side trace facing away from the surface of the substrate to be a plane; The side trace is patterned to form at least one second groove at the first end of the side trace, wherein the first frangible structure comprises the at least one second groove.
  10. 10. The method of claim 8, wherein the step of forming a first trace on the first surface of the substrate comprises: Forming the first wiring on the first surface of the substrate; The first wiring is patterned to form a first groove on the first wiring, wherein the first groove is exposed when the protective film is attached subsequently, and when the side wiring is formed, the orthographic projection of the side wiring on the substrate covers the orthographic projection of the first groove on the substrate, so that the structure of the side wiring in the first groove is the first frangible structure.

Description

Display panel, display device and preparation method of display panel Technical Field The application relates to the technical field of display, in particular to a display panel, a display device and a preparation method of the display panel. Background In recent years, micro-LED display panels have been rapidly developed due to their good performance, and in order to achieve display from small screen to large screen, the splicing technology is on schedule, and side routing is an important part of achieving splicing. In the long-term research and development process, the applicant of the application finds that the problem of falling off exists in the side wiring processing of the display panel at present, so how to improve the side wiring to effectively improve the yield of the display panel becomes one of the technical problems to be solved in the present stage. Disclosure of Invention The application mainly solves the technical problem of providing a display panel, a display device and a preparation method of the display panel, and can improve the product yield. In order to solve the technical problems, the technical scheme includes that the display panel comprises a substrate, a first surface and a second surface which are opposite to each other, a first wiring and a second wiring, wherein the first wiring is arranged on one side of the first surface of the substrate, the second wiring is arranged on one side of the second surface of the substrate, a first groove is formed in the surface, facing away from the substrate, of the first wiring, and a side wiring is electrically connected with the first wiring and the second wiring, and orthographic projection of the side wiring on the substrate and orthographic projection of the first groove on the substrate are at least partially overlapped. In order to solve the technical problems, the other technical scheme adopted by the application is that the display component comprises a substrate, a first surface, a first wire, a second wire, a protective film, a side wire and a first easily-broken structure, wherein the first surface and the second surface are arranged on the back side of the substrate, the first wire and the second wire are arranged on one side of the first surface of the substrate, the protective film is attached to one side of the first surface of the substrate, and extends to one side of the first wire, which is away from the substrate, so as to cover part of the first wire, the side wire is electrically connected with the first wire and the second wire, the first end of the side wire, which is positioned on the first surface, is provided with the first easily-broken structure, and the orthographic projection of the first easily-broken structure on the substrate is positioned in the orthographic projection of the first wire on the substrate. In order to solve the technical problem, the application adopts another technical scheme that a display device comprises the display panel or the display assembly. In order to solve the technical problems, the application provides a manufacturing method of a display panel, which comprises the steps of providing a substrate, forming a first wiring on the first surface of the substrate and a second wiring on the second surface of the substrate, attaching a protective film on one side of the first surface of the substrate, wherein the front projection of the protective film on the substrate covers the front projection part of the first wiring on the substrate, forming a side wiring electrically connecting the first wiring and the second wiring, forming a first easily-broken structure at the first end of the side wiring on the first surface, wherein the front projection of the first easily-broken structure on the substrate is located in the front projection of the first wiring on the substrate, and removing the protective film. The application has the beneficial effects that the application is different from the situation in the prior art, the first groove is arranged on the surface of the first wire, which is away from the substrate, and the orthographic projection of the side wire on the substrate is at least partially overlapped with the orthographic projection of the first groove on the substrate, so that when the protective film is torn off in the preparation process, the side wire is disconnected at the first groove even if the side wire is not disconnected at the connection part with the protective film, thereby avoiding the phenomenon of stripping of the side wire caused when the protective film is torn off, reducing the probability of disconnection between the side wire and the first wire which are finally manufactured, and improving the product yield. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the f