CN-121999686-A - Display module and electronic equipment

CN121999686ACN 121999686 ACN121999686 ACN 121999686ACN-121999686-A

Abstract

The application discloses a display module and electronic equipment, wherein the display module comprises a display panel, a composite support and a through hole structure, the display panel comprises a main body part, a bending part and a fan-out part which are sequentially connected, the fan-out part is bent and turned to the back of the main body part through the bending part, the composite support layer is arranged between the main body part and the fan-out part, the through hole structure at least penetrates through the main body part, the composite support layer and the fan-out part, the through hole structure comprises a first hole section positioned on the main body part and a third hole section positioned on the fan-out part, and the size of the first hole section is smaller than that of the third hole section. The application provides sufficient Z-axis space for external functional components such as cameras and the like through the through hole structure, provides larger installation space for the external functional components, and realizes the light and thin design of the display module.

Inventors

WU XING
CHEN CHENG

Assignees

武汉华星光电半导体显示技术有限公司

Dates

Publication Date: 20260508
Application Date: 20251219

Claims (10)

1. A display module, comprising: The display panel comprises a main body part, a bending part and a fan-out part which are sequentially connected, wherein the fan-out part is bent and turned to the back surface of the main body part through the bending part; a composite support layer disposed between the main body portion and the fan-out portion; the through hole structure penetrates through the main body part, the composite supporting layer and the fan-out part at least, the through hole structure comprises a first hole section and a third hole section, the first hole section is located on the main body part, the third hole section is located on the fan-out part, and the size of the first hole section is smaller than that of the third hole section.
2. The display module of claim 1, further comprising an anti-corrosion layer coating at least a portion of a wall of the via structure.
3. A display module according to claim 2, wherein a side of the anti-corrosive layer remote from the aperture wall is on the same circumference.
4. The display module assembly of claim 1, further comprising a cover plate and a polarizer, wherein the polarizer is disposed on a side of the main body portion away from the composite support layer, the cover plate is disposed on a side of the polarizer away from the main body portion, the polarizer is connected with the cover plate through an optical adhesive layer, and the through hole structure penetrates through the polarizer and the optical adhesive layer.
5. The display module assembly of claim 4, further comprising a light shielding layer disposed on a side of the polarizer adjacent to the display panel, wherein the light shielding layer comprises a light shielding region and a light transmitting region, the light transmitting region and the through hole structure are aligned, and a projection of a hole wall of the through hole structure on the light shielding layer is located in the light shielding region.
6. The display module assembly of claim 4, wherein the composite support layer comprises a first back plate, a buffer layer, a support layer, and a second back plate, the first back plate is disposed on the back surface of the main body portion, the buffer layer is disposed on a side of the first back plate away from the main body portion, the support layer is disposed on a side of the buffer layer away from the first back plate, the second back plate is disposed between the support layer and the fan-out portion, and the through hole structure penetrates through the first back plate, the buffer layer, the support layer, and the second back plate.
7. The display module of claim 6, wherein the composite support layer further comprises a metal layer disposed between the buffer layer and the support layer, the via structure penetrating through the metal layer.
8. The display module of claim 6, wherein the via structure comprises a fifth hole section located on the optical adhesive layer, a fourth hole section located on the polarizer, and a first sub-hole section located on the first back plate, wherein the first sub-hole section, the first hole section, the fourth hole section, and the fifth hole section are all the same size or the first sub-hole section, the first hole section, and the fourth hole section are the same size; and/or the through hole structure comprises a fourth sub-hole section positioned on the second backboard, and the third hole section and the fourth sub-hole section are the same in size.
9. The display module assembly of claim 1, further comprising a conductive tape disposed on a side of the fan-out away from the composite support layer, the via structure extending through the conductive tape.
10. An electronic device comprising a display module according to any one of claims 1 to 9.

Description

Display module and electronic equipment Technical Field The present application relates to the field of display technologies, and in particular, to a display module and an electronic device. Background With the development of full-screen technology, it has become a mainstream scheme to open holes (commonly called O-cuts or under-screen openings) in a display area for front cameras, sensors, and other components. However, such openings can only provide limited Z-axis space, limiting the thickness of the camera module and other components, and further affecting the light and thin design of the whole machine. Disclosure of Invention The embodiment of the application provides a display module and electronic equipment, which optimize the laminated open-pore design and realize the light and thin whole machine so as to at least partially solve the technical problems. In order to achieve the above object, according to a first aspect of the present application, there is provided a display module comprising: The display panel comprises a main body part, a bending part and a fan-out part which are sequentially connected, wherein the fan-out part is bent and turned to the back surface of the main body part through the bending part; a composite support layer disposed between the main body portion and the fan-out portion; the through hole structure penetrates through the main body part, the composite supporting layer and the fan-out part at least, the through hole structure comprises a first hole section and a third hole section, the first hole section is located on the main body part, the third hole section is located on the fan-out part, and the size of the first hole section is smaller than that of the third hole section. Optionally, an anti-corrosion layer is further included, the anti-corrosion layer coating at least a portion of the walls of the through-hole structures. Optionally, a side of the corrosion protection layer away from the hole wall is located on the same circumference; Optionally, the device further comprises a cover plate and a polaroid, wherein the polaroid is arranged on one side, far away from the composite supporting layer, of the main body, the cover plate is arranged on one side, far away from the main body, of the polaroid, the polaroid is connected with the cover plate through an optical adhesive layer, and the through hole structure penetrates through the polaroid and the optical adhesive layer. Optionally, the display panel further comprises a shading layer arranged on one side of the polarizer, which is close to the display panel, the shading layer comprises a shading area and a light transmission area, the light transmission area is aligned with the through hole structure, and the projection of the hole wall of the through hole structure on the shading layer is positioned in the shading area. Optionally, the composite supporting layer includes first backplate, buffer layer, supporting layer and second backplate, first backplate set up in the back of main part, the buffer layer set up in first backplate is kept away from one side of main part, the supporting layer set up in the buffer layer is kept away from one side of first backplate, the second backplate set up in the supporting layer with between the fan-out portion, the through-hole structure link up first backplate the buffer layer the supporting layer with the second backplate. Optionally, the through hole structure includes a fifth hole section located on the optical adhesive layer, a fourth hole section located on the polarizer, and a first sub-hole section located on the first back plate, where the dimensions of the first sub-hole section, the first hole section, the fourth hole section, and the fifth hole section are all the same or the dimensions of the first sub-hole section, the first hole section, and the fourth hole section are the same; and/or the through hole structure comprises a fourth sub-hole section positioned on the second backboard, and the third hole section and the fourth sub-hole section are the same in size. Optionally, the composite supporting layer further includes a metal layer disposed between the buffer layer and the supporting layer, and the through hole structure penetrates through the metal layer. Optionally, the fan-out unit further comprises a conductive adhesive tape, wherein the conductive adhesive tape is arranged on one side, far away from the composite supporting layer, of the fan-out unit, and the through hole structure penetrates through the conductive adhesive tape. According to a second aspect of the present application, there is provided an electronic device comprising a display module as defined in any one of the above. According to the display module and the electronic equipment, the through hole structure penetrates through the main body part, the fan-out part and the composite supporting layer between the main body part and the fan-out part of the display panel, so that the hole depth of