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CN-224232068-U - Display module and display device

CN224232068UCN 224232068 UCN224232068 UCN 224232068UCN-224232068-U

Abstract

The display module comprises a backlight assembly and a display assembly, wherein the backlight assembly comprises a back plate and a support member connected with the back plate, the display assembly is positioned on the light emitting side of the backlight assembly and comprises a circuit board, the circuit board is fixedly or detachably connected with the support member, and the hardness of the support member is greater than that of the back plate. According to the application, the support piece and the backboard are arranged in a split mode, the support piece can be manufactured independently, the backboard does not need to be cut, namely, the backboard is not broken, the strength of the backboard is enhanced, and therefore, a flexible circuit board connected with the light-emitting element is easy to bulge in the broken hole position in a reliability experiment, and abnormal bright spots or shadows are caused in certain areas of the screen. In addition, the hardness of the support member is greater than that of the back plate, so that the strength of the support member can be enhanced.

Inventors

  • Zhao Liangkuan

Assignees

  • 广州华星光电半导体显示技术有限公司

Dates

Publication Date
20260512
Application Date
20250616

Claims (10)

  1. 1. A display module, comprising: a backlight assembly including a back plate and a support connected to the back plate; The display assembly is positioned on the light emitting side of the backlight assembly and comprises a circuit board, wherein the circuit board is fixedly or detachably connected to the support piece; Wherein the hardness of the support is greater than the hardness of the back plate.
  2. 2. The display module of claim 1, wherein the back plate comprises a bottom plate, side plates and a top plate, and two ends of the side plates are fixedly connected with the bottom plate and the top plate respectively; The display assembly further comprises a display panel, wherein the display panel is electrically connected with the circuit board, and the top plate is positioned between the bottom plate and the display panel; One end of the supporting piece far away from the circuit board is connected with at least one of the bottom plate, the side plate and the top plate.
  3. 3. The display module of claim 2, wherein the support member comprises: A first supporting part fixedly connected with at least one of the bottom plate, the side plate and the top plate, and The second supporting part is connected with the first supporting part and fixedly or detachably connected with the circuit board.
  4. 4. A display module assembly as recited in claim 3, wherein the support further comprises: The first supporting part is connected with the second supporting part through the bending part, and the bending part is bent to form an avoidance space; the orthographic projection of one end, close to the display panel, of the circuit board on the supporting piece falls into the avoidance space.
  5. 5. The display module assembly of claim 3, wherein the support member further comprises a first ear-hanging portion fixedly or detachably connected to a side of the second support portion remote from the circuit board; The display module further comprises a fixing piece, the circuit board is connected with the second supporting portion through the fixing piece, and the portion, extending out of the second supporting portion, of the second fixing piece is contained in the first hanging lug portion.
  6. 6. The display module of any one of claims 3-5, wherein the backlight assembly further comprises a light guide plate, a light emitting element and a first flexible circuit board, wherein the light emitting element is positioned at one side of the light guide plate, the light guide plate and the first flexible circuit board are fixed on the bottom plate, and the light emitting element is positioned at one side of the first flexible circuit board away from the bottom plate and is electrically connected with the first flexible circuit board; Wherein, the area that the bottom plate contacted with the first flexible circuit board keeps continuous uninterrupted.
  7. 7. The display module of claim 6, wherein the first support portion is connected to the top plate and is located between the display assembly and the top plate, the support further comprising a support body portion, the first support portion being a portion of the support body portion; The backlight assembly further comprises a middle frame and a first reflecting sheet, the back plate and the display panel are respectively fixed on the middle frame, two ends of the supporting main body part are fixedly connected with the middle frame, and the first reflecting sheet is positioned on one side, far away from the bottom plate, of the light guide plate; the backlight assembly further comprises an optical functional film layer, wherein the optical functional film layer is located on one side, far away from the bottom plate, of the light guide plate and comprises a second hanging lug part, and the second hanging lug part is located between the support main body part and the light guide plate and is connected with an adhesive layer fixed on the middle frame and the back plate.
  8. 8. The display module of claim 7, wherein the optical functional film layer includes a plurality of optical functional films stacked in a stacking direction of the display assembly and the backlight assembly; Each optical functional film comprises a sub-hanging lug part, and a plurality of sub-hanging lug parts are arranged between the supporting main body part and the light guide plate at intervals along a uniform direction and are respectively connected with the adhesive layer.
  9. 9. The display module assembly of claim 4, wherein the thickness of the back plate, the bent portion, the first support portion, and the second support portion is less than 0.3mm.
  10. 10. A display device, comprising: the display module of any one of claims 1-9.

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 The notebook display module is mainly provided with a planar (Flat) structure and a curved (Bent) structure. The Flat type display module needs to be designed with a supporting member for fixing the circuit board. In the prior art, the supporting piece and the backboard are integrally formed (namely, the backboard is perforated) usually by means of mechanical cutting and the like. Because the position of the broken hole is not reliably supported, the strength and the supporting strength of the backboard are affected, and the flexible circuit board connected with the light-emitting element is easy to bulge at the position of the broken hole in the reliability experiment, so that the phenomenon of uneven local brightness or light spots occurs, and abnormal bright spots or shadows appear in certain areas of the screen. Disclosure of utility model In view of this, the present application provides a display module and a display device that can effectively reduce the broken holes of the back plate, and simultaneously improve the strength of the back plate and the strength of the supporting member, so as to avoid abnormal bright spots or shadows. In order to solve the problems, the technical scheme provided by the application is as follows: The application provides a display module, which comprises a backlight assembly and a display assembly, wherein the backlight assembly comprises a back plate and a support member connected with the back plate, the display assembly is positioned on the light emitting side of the backlight assembly and comprises a circuit board, the circuit board is fixedly or detachably connected with the support member, and the hardness of the support member is greater than that of the back plate. In some embodiments of the present application, the back plate includes a bottom plate, a side plate, and a top plate, two ends of the side plate are respectively and fixedly connected to the bottom plate and the top plate, the display assembly further includes a display panel, the display panel is electrically connected to the circuit board, and the top plate is located between the bottom plate and the display panel, wherein one end of the support member away from the circuit board is connected to at least one of the bottom plate, the side plate, and the top plate. In some embodiments of the application, the support comprises a first support part fixedly connected with at least one of the bottom plate, the side plate and the top plate, and a second support part connected with the first support part and fixedly or detachably connected with the circuit board. In some embodiments of the present application, the support member further includes a bending portion, the first support portion is connected to the second support portion through the bending portion, the bending portion is bent to form an avoidance space, and an orthographic projection of one end of the circuit board, which is close to the display panel, on the support member falls in the avoidance space. In some embodiments of the application, the support further comprises a first ear-hanging portion fixedly or detachably connected to a side of the second support portion remote from the circuit board; The display module further comprises a fixing piece, the circuit board is connected with the second supporting portion through the fixing piece, and the portion, extending out of the second supporting portion, of the second fixing piece is contained in the first hanging lug portion. In some embodiments of the application, the first support is connected to the top plate and located between the display assembly and the top plate, the support further comprising a support body portion, the first support being part of the support body portion; The backlight assembly further comprises a middle frame and a first reflecting sheet, the back plate and the display panel are respectively fixed on the middle frame, two ends of the supporting main body part are fixedly connected with the middle frame, and the first reflecting sheet is positioned on one side, far away from the bottom plate, of the light guide plate; The backlight assembly further comprises an optical functional film layer, wherein the optical functional film layer is located on one side, far away from the bottom plate, of the light guide plate and comprises a second hanging lug part, and the second hanging lug part is located between the supporting main body part and the first reflecting sheet and is connected with an adhesive layer fixed on the middle frame and the back plate. In some embodiments of the present application, the optical functional film layer includes a plurality of optical functional films stacked in a stacking direction of the display assembly and the backlight assembly, each of the optical