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CN-121982978-A - Display module

CN121982978ACN 121982978 ACN121982978 ACN 121982978ACN-121982978-A

Abstract

The application relates to a display module. The display module comprises a display panel, a support lamination and a filling part, wherein the display panel comprises a display part and a binding part, the support lamination is arranged on one side of a non-light-emitting surface of the display panel, the support lamination comprises a back plate layer, the back plate layer comprises a first back plate and a second back plate, the first back plate is arranged in a lamination mode with the display part, the second back plate is arranged in a lamination mode with the binding part, the material of the first back plate is different from that of the second back plate, the support lamination is provided with a through hole, the through hole penetrates through the support lamination along the thickness direction of the support lamination, the through hole penetrates through the first back plate, the filling part is arranged in the through hole, one end, close to the display part, of the filling part is in contact with the display part, and the thickness of the filling part is smaller than or equal to the depth of the through hole. In the display module provided by the embodiment of the application, the filling part is arranged in the through hole and is contacted with the display part, the filling part can cover the surface of the display part in the through hole, and the risk of damage to the display panel caused by the fact that foreign matters fall into the through hole to be contacted with the display part is reduced.

Inventors

  • LI MANLI

Assignees

  • 武汉华星光电半导体显示技术有限公司

Dates

Publication Date
20260505
Application Date
20260325

Claims (12)

  1. 1. A display module, comprising: The display panel comprises a display part and a binding part positioned at one side of the display part; the support lamination is arranged on one side of the non-light-emitting surface of the display panel and comprises a back plate layer, the back plate layer comprises a first back plate and a second back plate, the first back plate is arranged in a lamination mode with the display part, the second back plate is arranged in a lamination mode with the binding part, the material of the first back plate is different from that of the second back plate, the support lamination is provided with a through hole, the through hole penetrates through the support lamination along the thickness direction of the support lamination, and the through hole penetrates through the first back plate; and the filling part is arranged in the through hole, one end of the filling part, which is close to the display part, is in contact with the display part, and the thickness of the filling part is smaller than or equal to the depth of the through hole.
  2. 2. The display module of claim 1, wherein the support stack further comprises: the buffer layer is arranged on one side of the first backboard away from the display panel; The supporting layer is arranged on one side of the buffer layer away from the display panel; The filling part is arranged at one end far away from the display part and does not exceed one side surface of the first backboard far away from the display part, or the filling part is arranged at one end far away from the display part and extends into the supporting layer and does not exceed one side surface of the supporting layer far away from the display part.
  3. 3. The display module of claim 1, wherein the aperture of the through hole on a side remote from the display panel is greater than or equal to the aperture of the through hole on a side near the display panel.
  4. 4. A display module according to any one of claims 1 to 3, wherein the material of the filler comprises a curable glue, and the light transmittance of the filler is greater than or equal to 88%.
  5. 5. A display module according to any one of claims 1 to 3, wherein an end face of the filling portion at an end remote from the display panel has a concave portion recessed toward the display panel, and a surface of the concave portion includes a curved surface.
  6. 6. A display module according to claim 2 or 3, wherein the support stack further comprises: The first adhesive layer is partially arranged between the display part and the first backboard; The second adhesive layer is arranged between the first backboard and the buffer layer; the third adhesive layer is arranged between the buffer layer and the supporting layer; the refractive indexes of the first adhesive layer, the second adhesive layer and the third adhesive layer are smaller than that of the filling part.
  7. 7. The display module assembly of claim 6, wherein the first glue layer, the second glue layer, and the third glue layer each have a material that is more viscous than the material of the filler portion.
  8. 8. The display module assembly of claim 6, wherein the walls of the through holes in the first adhesive layer are flush with the walls of the through holes in the first backplane and/or, The hole wall of the through hole positioned on the buffer layer is flush with the hole walls of the through holes positioned on the second adhesive layer and the third adhesive layer.
  9. 9. A display module according to any one of claims 1 to 3, wherein the elastic modulus of the first back plate is greater than the elastic modulus of the second back plate.
  10. 10. The display module of claim 9, wherein the material of the first back plate comprises metal and the material of the second back plate comprises plastic.
  11. 11. A display module according to any one of claims 1 to 3, wherein the thickness of the first back plate is less than or equal to 30 microns.
  12. 12. A display module according to any one of claims 1 to 3, wherein the display portion is provided with a display area and a non-display area located on at least one side of the display area, and wherein the orthographic projection of the filling portion on the display portion is located within the display area.

Description

Display module Technical Field The application relates to the technical field of display, in particular to a display module. Background An OLED (Organic Light-Emitting Diode) display technology is a novel display technology, and is gradually paid attention to by unique advantages of low power consumption, high saturation, fast response time, wide viewing angle and the like, and takes a place in the technical field of display. The display module comprises a display panel and a backboard, and through holes are formed in the backboard to avoid affecting the function of the sensor. The display panel is exposed at the through hole and is easy to damage in the production process. Disclosure of Invention The embodiment of the application provides a display module to improve the technical problem that a display panel is exposed at a through hole and is easy to damage in the production process. In order to achieve the above object, the present application provides a display module, including: The display panel comprises a display part and a binding part positioned at one side of the display part; the support lamination is arranged on one side of the non-light-emitting surface of the display panel and comprises a back plate layer, the back plate layer comprises a first back plate and a second back plate, the first back plate is arranged in a lamination mode with the display part, the second back plate is arranged in a lamination mode with the binding part, the material of the first back plate is different from that of the second back plate, the support lamination is provided with a through hole, the through hole penetrates through the support lamination along the thickness direction of the support lamination, and the through hole penetrates through the first back plate; and the filling part is arranged in the through hole, one end of the filling part, which is close to the display part, is in contact with the display part, and the thickness of the filling part is smaller than or equal to the depth of the through hole. Optionally, the support stack further comprises: the buffer layer is arranged on one side of the first backboard away from the display panel; The supporting layer is arranged on one side of the buffer layer away from the display panel; The filling part is arranged at one end far away from the display part and does not exceed one side surface of the first backboard far away from the display part, or the filling part is arranged at one end far away from the display part and extends into the supporting layer and does not exceed one side surface of the supporting layer far away from the display part. Optionally, the aperture of the through hole on the side far from the display panel is larger than or equal to the aperture of the through hole on the side near the display panel. Optionally, the material of the filling part comprises curable glue, and the light transmittance of the filling part is greater than or equal to 88%. Optionally, an end surface of the filling portion at an end far from the display panel has a concave portion recessed toward the display panel, and a surface of the concave portion includes a curved surface. Optionally, the support stack further comprises: The first adhesive layer is partially arranged between the display part and the first backboard; The second adhesive layer is arranged between the first backboard and the buffer layer; the third adhesive layer is arranged between the buffer layer and the supporting layer; the refractive indexes of the first adhesive layer, the second adhesive layer and the third adhesive layer are smaller than that of the filling part. Optionally, the viscosity of the materials of the first glue layer, the second glue layer and the third glue layer is greater than the viscosity of the material of the filling portion. Optionally, the walls of the through holes in the first glue layer are flush with the walls of the through holes in the first back plate, and/or, The hole wall of the through hole positioned on the buffer layer is flush with the hole walls of the through holes positioned on the second adhesive layer and the third adhesive layer. Optionally, the elastic modulus of the first back plate is greater than the elastic modulus of the second back plate. Optionally, the material of the first back plate comprises metal, and the material of the second back plate comprises plastic. Optionally, the thickness of the first backsheet is less than or equal to 30 microns. Optionally, the display part is provided with a display area and a non-display area positioned on at least one side of the display area, and the orthographic projection of the filling part on the display part is positioned in the display area. In the display module provided by the embodiment of the application, the filling part is arranged in the through hole and is contacted with the display part, the filling part can cover the surface of the display part in the through hole, and the risk