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CN-122024590-A - Display module and display device

CN122024590ACN 122024590 ACN122024590 ACN 122024590ACN-122024590-A

Abstract

The application discloses a display module and a display device, wherein the display module comprises a middle frame, a display panel, a cover plate and an adhesion layer, the middle frame comprises a bottom plate and a side plate, the side plate is connected to the bottom plate and surrounds one side of the bottom plate to form a containing cavity, the side plate comprises a first sub-part and a second sub-part connected between the first sub-part and the bottom plate, the second sub-part protrudes towards the containing cavity relative to the first sub-part, the display panel is arranged in the containing cavity, the cover plate is arranged on one side of the display panel far away from the bottom plate, the adhesion layer is connected between the cover plate and the second sub-part and is positioned on one side of the first sub-part close to the containing cavity, the first sub-part is provided with a first surface close to one side of the containing cavity, and the interval between one side of the adhesion layer close to the cover plate and the first surface is smaller than the interval between one side of the adhesion layer far away from the cover plate and the first surface.

Inventors

  • Shan Xinpeng

Assignees

  • 武汉华星光电半导体显示技术有限公司

Dates

Publication Date
20260512
Application Date
20260331

Claims (14)

  1. 1. A display module, comprising: The middle frame comprises a bottom plate and a side plate, wherein the side plate is connected to the bottom plate and surrounds the bottom plate on one side to form a containing cavity, the side plate comprises a first sub-part and a second sub-part connected between the first sub-part and the bottom plate, and the second sub-part protrudes towards the containing cavity relative to the first sub-part; The display panel is arranged in the accommodating cavity; The cover plate is arranged on one side of the display panel away from the bottom plate; The adhesive layer is connected between the cover plate and the second sub-part and is positioned at one side of the first sub-part close to the accommodating cavity; The first sub-portion is provided with a first surface close to one side of the accommodating cavity, and the distance between one side of the adhesive layer close to the cover plate and the first surface is smaller than the distance between one side of the adhesive layer far away from the cover plate and the first surface.
  2. 2. The display module assembly of claim 1, wherein the adhesive layer includes a second surface proximate to the cover plate and a third surface distal to the cover plate, the second surface being in contact with the cover plate, the third surface being in contact with the second sub-portion proximate to the first sub-portion, the third surface being in non-contact with the second sub-portion distal to the first sub-portion.
  3. 3. The display module of claim 2, wherein the adhesive layer further comprises a fourth surface disposed adjacent to and opposite the first surface, wherein an angle between the fourth surface and the third surface is greater than or equal to 120 ° and less than or equal to 175 °.
  4. 4. The display module of claim 1, wherein a plurality of openings are provided in the adhesive layer.
  5. 5. The display module of claim 1, wherein the adhesive layer has a greater modulus of elasticity on a side proximate to the cover plate than on a side distal from the cover plate.
  6. 6. The display module of claim 1, wherein the adhesive layer has an elastic modulus of less than or equal to 3GPa.
  7. 7. The display module of any one of claims 1-6, wherein the display module comprises a inflection region and a non-inflection region adjacent to the inflection region; the display module assembly still includes: The hinge is arranged on one side, far away from the cover plate, of the display panel, and the hinge is arranged in the bending area; the hinge is connected with the middle frame, the cover plate is not fixedly connected with the middle frame in the bending area, and the adhesive layer is arranged in the non-bending area.
  8. 8. The display module of claim 7, further comprising a support disposed within the bending region, the support being located between the cover plate and the hinge and on at least one side of the display panel.
  9. 9. The display module of claim 8, wherein the support is fixedly connected to the cover plate and not fixedly connected to the hinge; or the supporting piece is fixedly connected with the hinge and is not fixedly connected with the cover plate.
  10. 10. The display module of claim 9, wherein the support abuts the hinge or the support abuts the cover plate.
  11. 11. The display module of claim 7, wherein a length of the hinge along a first direction is greater than a length of the display panel along the first direction, the length of the hinge along the first direction is greater than or equal to a length of the cover plate along the first direction, and the first direction is an extension direction of a boundary line between the bending region and the non-bending region.
  12. 12. The display module of claim 7, further comprising a support layer disposed between the display panel and the hinge, the support layer conforming to the hinge.
  13. 13. The display module of any one of claims 1 to 6, wherein the cover plate comprises an ultra-thin glass layer and a cover layer, and the cover layer is at least on a side of the ultra-thin glass layer away from the display panel.
  14. 14. A display device comprising a display module according to any one of claims 1 to 13.

Description

Display module and display device Technical Field The present application relates to the field of display technologies, and in particular, to a display module and a display device. Background With the development of the market of the folding screen display device, the design of the folding screen display device for removing the blank holder has been a trend. The folded screen display device is generally realized by forming an ultra-thin glass cover plate on a display panel and bonding the ultra-thin glass cover plate with a middle frame, but the use of the ultra-thin glass cover plate easily results in insufficient impact resistance of the display device. Disclosure of Invention The embodiment of the application provides a display module and a display device, which can improve the impact resistance and buffering capacity of the display module. The embodiment of the application provides a display module, which comprises: The middle frame comprises a bottom plate and a side plate, wherein the side plate is connected to the bottom plate and surrounds the bottom plate on one side to form a containing cavity, the side plate comprises a first sub-part and a second sub-part connected between the first sub-part and the bottom plate, and the second sub-part protrudes towards the containing cavity relative to the first sub-part; The display panel is arranged in the accommodating cavity; The cover plate is arranged on one side of the display panel away from the bottom plate; The adhesive layer is connected between the cover plate and the second sub-part and is positioned at one side of the first sub-part close to the accommodating cavity; The first sub-portion is provided with a first surface close to one side of the accommodating cavity, and the distance between one side of the adhesive layer close to the cover plate and the first surface is smaller than the distance between one side of the adhesive layer far away from the cover plate and the first surface. In one embodiment of the present application, the adhesion layer includes a second surface near one side of the cover plate and a third surface far one side of the cover plate, the second surface is attached to the cover plate, one side of the third surface near the first sub-portion is attached to the second sub-portion, and one side of the third surface far from the first sub-portion is disposed in a non-contact manner with the second sub-portion. In one embodiment of the present application, the adhesive layer further includes a fourth surface disposed adjacent to and opposite the first surface, wherein an angle between the fourth surface and the third surface is greater than or equal to 120 ° and less than or equal to 175 °. In one embodiment of the application, a plurality of openings are provided in the adhesive layer. In one embodiment of the present application, the elastic modulus of the adhesive layer on the side close to the cover plate is greater than the elastic modulus of the adhesive layer on the side far from the cover plate. In one embodiment of the application, the elastic modulus of the adhesion layer is less than or equal to 3GPa. In one embodiment of the present application, the display module includes a bending region and a non-bending region adjacent to the bending region; the display module assembly still includes: The hinge is arranged on one side, far away from the cover plate, of the display panel, and the hinge is arranged in the bending area; the hinge is connected with the middle frame, the cover plate is not fixedly connected with the middle frame in the bending area, and the adhesive layer is arranged in the non-bending area. In an embodiment of the application, the display module further includes a support member disposed in the bending region, and the support member is located between the cover plate and the hinge and located on at least one side of the display panel. In one embodiment of the application, the support is fixedly connected with the cover plate and not fixedly connected with the hinge; or the supporting piece is fixedly connected with the hinge and is not fixedly connected with the cover plate. In one embodiment of the application, the support abuts the hinge or the support abuts the cover plate. In one embodiment of the present application, a length of the hinge along a first direction is greater than a length of the display panel along the first direction, the length of the hinge along the first direction is greater than or equal to a length of the cover plate along the first direction, and the first direction is an extension direction of an intersection line of the bending region and the non-bending region. In an embodiment of the application, the display module further includes a supporting layer disposed between the display panel and the hinge, and the supporting layer is attached to the hinge. In one embodiment of the present application, the cover plate includes an ultrathin glass layer and a cover layer, and