CN113270039A

CN113270039A - Display module

Info

Publication number: CN113270039A
Application number: CN202110552990.XA
Authority: CN
Inventors: 张探
Original assignee: Kunshan Govisionox Optoelectronics Co Ltd
Current assignee: Kunshan Govisionox Optoelectronics Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-08-17
Anticipated expiration: 2041-05-20
Also published as: CN113270039B

Abstract

The embodiment of the invention discloses a display module, which comprises: the display panel comprises a bending part, a non-bending part and an extending end, wherein the non-bending part and the extending end are positioned on two opposite sides of the bending part; the bonding end of the flexible circuit board is bonded on the first surface of the extending end; along the thickness direction of the extending end, two sides of the bonding end of the flexible circuit board, which extend along the direction away from the bending part, are respectively aligned with two sides of the extending end, which extend along the direction away from the bending part. The technical scheme provided by the embodiment of the invention can enable the whole area of the extending end of the bonded screen body to be a whole with better stiffness, can not be easily deformed due to the influence of external force in the manufacturing process, and can effectively prevent the problems of wire breakage in the extending end area, breakage and damage of bonding elements, bonding and falling failure of the bonding elements and the like in the manufacturing process.

Description

Display module

Technical Field

The invention relates to the technical field of display, in particular to a display module.

Background

For ensuring a high screen occupation ratio and achieving a narrow frame effect, one end of the screen body is usually extended out of an area for bonding elements such as an Integrated Circuit (IC) and/or a Flexible Printed Circuit (FPC), and then the extended area is folded and attached to the back of the display module.

The display module after bonding is in follow-up processes such as the laminating of 3D apron, buckle, transport, because the influence of external force in the process, causes easily that the inside routing of screen body extension region breaks, bonding components such as IC and/or FPC break damage, bonding components such as IC and/or FPC bonding drops inefficacy scheduling problem.

Disclosure of Invention

The embodiment of the invention provides a display module, so that the whole area of the extending end of a bonded screen body becomes a whole with better stiffness, the whole area can not be easily deformed due to the influence of external force in the manufacturing process, and the problems of wire breakage in the extending end area, breakage and damage of bonding elements, bonding and falling failure of the bonding elements and the like in the manufacturing process can be effectively prevented.

In a first aspect, an embodiment of the present invention provides a display module, including:

the display panel comprises a bending part, a non-bending part and an extending end, wherein the non-bending part and the extending end are positioned on two opposite sides of the bending part;

the bonding end of the flexible circuit board is bonded on the first surface of the extending end; along the thickness direction of stretching out the end, the both sides limit that the orientation of keeping away from the kink of the border end of flexible circuit board extends and the both sides limit that the orientation of keeping away from the kink of the edge of stretching out the end extends respectively align, so that the appearance of the border end of flexible circuit board is unanimous with the appearance that stretches out the end, so that the screen body stretches out the whole region of end and becomes a better whole of stiffness, can not warp easily because of the external force influence in the processing procedure, can effectively prevent to appear stretching out the inside line fracture of walking in the region of terminal in the processing procedure, flexible circuit board breaks the damage, flexible circuit board nation drops inefficacy scheduling problem.

Further, the display module assembly still includes: the driving chip and the bonding end of the flexible circuit board are bonded on the same surface of the extending end; the driving chip is positioned between the bonding end and the bending part of the flexible circuit board; along the thickness direction of the end that stretches out, the both sides limit that the direction that the kink was kept away from to the drive chip extends and the both sides limit that the direction that the kink was kept away from to the end that stretches out extends respectively align, the side that the drive chip is close to the kink aligns with the boundary line of kink and end that stretches out, so that the appearance of drive chip is unanimous with the appearance that stretches out the end, so that the screen body stretches out the whole region of end and becomes a better whole of stiffness, can not warp easily because of the external force influence in the processing procedure, can prevent effectively that the inside line of stretching out the region in the processing procedure from breaking, the damage of breaking of drive chip, the drive chip nation decides to drop inefficacy scheduling problem.

Further, the display module assembly still includes: reinforcing, wherein the reinforcing is positioned on one side of the flexible circuit board and the driving chip far away from the extending end; the first end of the reinforcement is adhered to the top surface of the driving chip far away from the extending end; the second end of reinforcement bonds and is kept away from the top surface that stretches out the end at flexible circuit board, through pasting the reinforcement additional to it is fixed with driver chip's top surface and flexible circuit board's top surface, is favorable to improving the stiffness that stretches out the whole region of end.

Further, the reinforcement includes at least one of the following materials: polyethylene terephthalate, polyimide, and metal.

Furthermore, along the thickness direction of the extending end, two side edges of the reinforcement extending along the direction far away from the bending part are respectively aligned with two side edges of the bonding end of the flexible circuit board extending along the direction far away from the bending part; the two sides of the reinforcement extending along the direction far away from the bending part are respectively aligned with the two sides of the driving chip extending along the direction far away from the bending part, so that the appearance of the reinforcement is overlapped with the bonding end of the flexible circuit board and the appearance of the driving chip, the whole area of the extending end of the screen body becomes a whole with better stiffness, and the screen body cannot be easily deformed due to the influence of external force in the manufacturing process;

the top surface of the driving chip far away from the extending end is step-shaped, and one end of the top surface of the driving chip far away from the extending end, far away from the flexible circuit board, is higher than one end of the top surface of the driving chip far away from the extending end, close to the flexible circuit board;

one end, close to the flexible circuit board, of the top surface, far away from the extending end, of the driving chip is flush with one end, close to the driving chip, of the top surface, far away from the extending end, of the bonding end of the flexible circuit board; the first end of the reinforcement is bonded to one end, close to the flexible circuit board, of the top surface of the driving chip; the second end of the reinforcement is bonded at one end, close to the driving chip, of the top surface of the bonding end of the flexible circuit board. The top surface through with driver chip sets up to the step form to make driver chip keep away from the one end that the top surface that stretches out the end is close to the flexible circuit board and the binding end of flexible circuit board keep away from the one end parallel and level that the top surface that stretches out the end is close to driver chip, conveniently add the reinforcement of pasting.

Further, the display module assembly still includes: the driving chip is arranged on the flexible circuit board; the outline of the projection of the bonding end of the flexible circuit board on the display panel is superposed with the outline of the extending end. And the driving chip is integrated on the flexible circuit board to further reduce the frame.

Further, the display module assembly still includes: the anisotropic conductive adhesive is positioned between the bonding end and the extending end of the flexible circuit board, and/or the anisotropic conductive adhesive is positioned between the driving chip and the extending end; the anisotropic conductive adhesive covers part or all of the bending part and part or all of the extending end;

the contour of the projection of the anisotropic conductive adhesive on the display panel coincides with the contour of the whole formed by the bending part and the extending end. The shape of the anisotropic conductive adhesive is consistent with the shape of the whole formed by the bending part and the extending end, so that the whole area of the extending end of the screen body becomes a whole with better stiffness, and the screen body cannot be easily deformed due to the influence of external force in the manufacturing process.

In a second aspect, an embodiment of the present invention further provides a display module, including:

the bonding end of the flexible circuit board is bonded on the first surface of the extending end;

the driving chip and the bonding end of the flexible circuit board are bonded on the same surface of the extending end; the arrangement direction of the bonding ends of the driving chip and the flexible circuit board is perpendicular to the arrangement direction of the bent part and the extending end; along the thickness direction of the extension end, the side edge of the driving chip, which is far away from the bonding end of the flexible circuit board, is aligned with the side edge of the extension end, which extends along the direction far away from the bending part; one side of the bonding end of the flexible circuit board, which is far away from the driving chip, is aligned with the other side of the extending end, which extends along the direction far away from the bending part. The shape of the whole body formed by the bonding end of the flexible circuit board and the driving chip is consistent with that of the extending end, so that the whole area of the extending end of the screen body becomes a whole body with better stiffness, the whole body cannot be easily deformed due to the influence of external force in the manufacturing process, and the problems of breakage of wires inside the extending end area, breakage and damage of the flexible circuit board and the driving chip, bonding, falling, failure and the like of the flexible circuit board and the driving chip in the manufacturing process can be effectively prevented.

Further, the display module assembly still includes: the flexible circuit board comprises a flexible circuit board, an anisotropic conductive adhesive and a driving chip, wherein the anisotropic conductive adhesive is positioned between a bonding end and an extending end of the flexible circuit board and positioned between the driving chip and the extending end; the anisotropic conductive adhesive covers part or all of the bending part and part or all of the extending end;

In the technical solution of the embodiment of the present invention, the display module includes: the display panel comprises a bending part, a non-bending part and an extending end, wherein the non-bending part and the extending end are positioned on two opposite sides of the bending part; the bonding end of the flexible circuit board is bonded on the first surface of the extending end; along the thickness direction of stretching out the end, the both sides limit that the orientation of keeping away from the kink of the border end of flexible circuit board extends and the both sides limit that the orientation of keeping away from the kink of the edge of stretching out the end extends respectively align, so that the appearance of the border end of flexible circuit board is unanimous with the appearance that stretches out the end, so that the screen body stretches out the whole region of end and becomes a better whole of stiffness, can not warp easily because of the influence of external force in the processing procedure, can effectively prevent to appear stretching out the inside line fracture of walking in the region of terminal in the processing procedure, the damage of bondary component fracture, the bondary component bondings drops inefficacy scheduling problem.

Drawings

Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention;

fig. 2 is a schematic top view of a display module according to an embodiment of the present invention;

FIG. 3 is a schematic side view of a display module according to an embodiment of the present invention, wherein the display module has a bending portion and a non-bending portion;

fig. 4 is a schematic side view illustrating a side view structure of a display module according to an embodiment of the invention when a bending portion is bent;

fig. 5 is a schematic structural diagram of another display module according to an embodiment of the present invention;

FIG. 6 is a schematic top view illustrating a display module according to another embodiment of the present invention;

FIG. 7 is a schematic side view illustrating a display module according to another embodiment of the present invention, wherein the display module has a bending portion and a non-bending portion;

FIG. 8 is a schematic structural diagram of another display module according to an embodiment of the present invention;

FIG. 9 is a schematic top view illustrating a display module according to an embodiment of the present invention;

FIG. 10 is a schematic side view of a display module according to another embodiment of the present invention;

FIG. 11 is a schematic structural diagram of another display module according to an embodiment of the present disclosure;

fig. 12 is a schematic top view illustrating a display module according to another embodiment of the present invention;

FIG. 13 is a schematic structural diagram of another display module according to an embodiment of the present invention;

fig. 14 is a schematic top view illustrating a display module according to another embodiment of the present invention;

fig. 15 is a schematic cross-sectional structure view of a display module according to an embodiment of the invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The embodiment of the invention provides a display module. Fig. 1 is a schematic structural diagram of a display module according to an embodiment of the present invention. Fig. 2 is a schematic top view of a display module according to an embodiment of the present invention. Fig. 3 is a schematic side view of a display module according to an embodiment of the invention when a bending portion is not bent. Fig. 4 is a schematic side view of a display module according to an embodiment of the invention when the display module is bent at the bending portion. As shown in fig. 1 to 4, the display module includes: a display panel 10 and a flexible circuit board 20.

The display panel 10 includes a bending portion 11, and a non-bending portion 12 and a protruding end 13 located at two opposite sides of the bending portion 11.

The bonding end 21 of the flexible circuit board 20 is bonded on the first surface of the protruding end 13; along the thickness direction (parallel to the direction Z) of the protruding end 13, two sides (as shown in fig. 1 and 2, the two sides may be a side 211 and a side 212) of the bonding end 21 of the flexible circuit board 20 extending along the direction (parallel to the direction X) away from the bending portion 11 are aligned with two sides (as shown in fig. 1 and 2, the two sides may be a side 131 and a side 132) of the protruding end 13 extending along the direction (parallel to the direction X) away from the bending portion 11.

Illustratively, the side 211 of the bonding end 21 of the flexible circuit board 20 is aligned with the side 131 of the protruding end 13; the side 212 of the bonding end 21 of the flexible circuit board 20 is aligned with the side 132 of the extending end 13, that is, the shape of the bonding end 21 of the flexible circuit board 20 is consistent with the shape of the extending end 13, so that the whole area of the extending end 13 of the screen body becomes a whole with better stiffness, the whole area cannot be easily deformed due to the influence of external force in the manufacturing process, and the problems of breakage of the internal wiring of the extending end area, breakage and damage of the flexible circuit board FPC, bonding and falling failure of the flexible circuit board FPC and the like in the manufacturing process can be effectively prevented. The direction X may be perpendicular to the direction Y. The direction X may be perpendicular to the direction Z. The direction Y may be perpendicular to the direction Z.

The display panel 10 may be a flexible display panel or the like. The display panel 10 may include an organic light emitting display panel or a liquid crystal display panel, etc. The non-bending portion 12 may have a display area, and may realize a screen display function. The display region may include a plurality of sub-pixels arranged in an array. The bent portion 11 and the protruding end 13 are flexible, and the bent portion 11 and the protruding end 13 can be obtained by forming a wiring layer on one side of a flexible substrate. The protruding end 13 may be provided with a plurality of pads for bonding with a bonding element, and the pads may be electrically connected with the sub-pixels in the non-folded part 12 through traces provided at the folded part 11. The flexible circuit board 20 may be used to generate or transmit timing signals and control signals, etc. required to display an image. The base material of the flexible circuit board 20 may include at least one of: polyimide, polyester film, and the like. The flexible circuit board 20 may include a single layer of wiring layer or multiple layers of wiring layers. The bonding end 21 of the flexible circuit board 20 may be provided with a plurality of pads near the bottom of the protruding end 13, and the pads at the bottom of the bonding end 21 of the flexible circuit board 20 may be bonded to the pads of the protruding end 13 by the anisotropic conductive adhesive 50. As shown in fig. 4, the purpose of a narrow bezel is achieved by bending the bent portion 13 so that the protruding end 13 and the flexible circuit board 20 are located on the side of the non-bent portion 12 opposite to the display side.

In the technical scheme of this embodiment, the display module assembly includes: the display panel comprises a bending part, a non-bending part and an extending end, wherein the non-bending part and the extending end are positioned on two opposite sides of the bending part; the bonding end of the flexible circuit board is bonded on the first surface of the extending end; along the thickness direction of stretching out the end, the both sides limit that the orientation of keeping away from the kink of the border end of flexible circuit board extends and the both sides limit that the orientation of keeping away from the kink of the edge of stretching out the end extends respectively align, so that the appearance of the border end of flexible circuit board is unanimous with the appearance that stretches out the end, so that the screen body stretches out the whole region of end and becomes a better whole of stiffness, can not warp easily because of the external force influence in the processing procedure, can effectively prevent to appear stretching out the inside line fracture of walking in the region of terminal in the processing procedure, flexible circuit board breaks the damage, flexible circuit board nation drops inefficacy scheduling problem.

Optionally, on the basis of the above embodiment, with reference to fig. 1 to 4, the display module further includes: the driving chip 30.

The driving chip 30 and the bonding end 21 of the flexible circuit board 20 are bonded on the same surface of the protruding end 13; the driving chip 30 is located between the bonding end 21 of the flexible circuit board 20 and the bending part 11; along the thickness direction (parallel to the direction Z) of the protruding end 13, two sides (as shown in fig. 1 and 2, the two sides may be a side 31 and a side 32) of the driving chip 30 extending along the direction away from the bending portion 11 (parallel to the direction X) and two sides (as shown in fig. 1 and 2, the two sides may be a side 131 and a side 132) of the protruding end 13 extending along the direction away from the bending portion 11 (parallel to the direction X) are respectively aligned.

Illustratively, the side 31 of the driving chip 30 is aligned with the side 131 of the protruding end 13, and the side 32 of the driving chip 30 is aligned with the side 132 of the protruding end 13, that is, the shape of the driving chip 30 is consistent with the shape of the protruding end 13, so that the whole area of the protruding end of the screen body becomes a whole with better stiffness, and the driving chip is not easily deformed due to the influence of external force in the manufacturing process, and the problems of breakage of internal routing in the protruding end area, breakage and damage of the driving chip IC, bonding and falling failure of the driving chip IC, and the like in the manufacturing process can be effectively prevented.

The driving chip 30 may be used to generate timing signals and control signals required for displaying images. The driving chip 30 and the flexible circuit board 20 may be spaced apart. The smaller the distance between the driver chip 30 and the flexible circuit board 20, the better, which is advantageous to improve the stiffness of the entire region of the protruding end. The driving chip 30 and the flexible circuit board 20 may contact. The driving chip 30 may be bonded on the protruding end 13 of the flexible substrate of the flexible display panel through a cop (chip on pi) packaging process. The flexible substrate comprises at least one of the following materials: polyimide (PI), polyethylene terephthalate (PET), and the like. Optionally, along the thickness direction (parallel to the direction Z) of the protruding end 13, the side 33 of the driving chip 30 close to the bent portion 11 is aligned with the boundary between the bent portion 11 and the protruding end 13, so that the shape of the driving chip 30 is consistent with the shape of the protruding end 13, and the whole area of the protruding end of the screen body becomes a more rigid whole. The projection of the driving chip 40 on the protruding end 13 may be rectangular.

Optionally, on the basis of the foregoing embodiment, fig. 5 is a schematic structural diagram of another display module provided in the embodiment of the present invention, fig. 6 is a schematic structural diagram of a top view of the another display module provided in the embodiment of the present invention, fig. 7 is a schematic structural diagram of a side view of the another display module provided in the embodiment of the present invention when the bending portion is not bent, and the display module further includes: and (6) reinforcing 40.

Wherein the reinforcement 40 is located on the side of the flexible circuit board 20 and the driving chip 30 away from the protruding end 13; the first end of the reinforcement 40 is adhered to the top surface 301 of the driving chip 30 away from the protruding end 13; a second end of the reinforcement 40 is attached to a top surface of the flexible circuit board 20 remote from the protruding end 13.

Wherein the reinforcement 40 can be adhered to the top surface 301 of the driving chip 30 and the top surface of the flexible circuit board 20 by an adhesive (not shown). Optionally, the reinforcement 40 comprises at least one of the following materials: polyethylene terephthalate, polyimide, and metal. The top surface 301 of the driving chip 30 and the top surface of the flexible circuit board 20 are fixed by the reinforcement 40, which is advantageous to improve the stiffness of the entire region of the protruding end.

Alternatively, on the basis of the above embodiment, as shown in fig. 5 to 7, along the thickness direction (parallel to the direction Z) of the protruding end 13, two sides (as shown in fig. 5 and 6, the two sides may be the side 41 and the side 42) of the reinforcement 40 extending along the direction away from the bending portion 11 (parallel to the direction X) are respectively aligned with two sides (as shown in fig. 5 and 6, the two sides may be the side 211 and the side 212) of the bonding end 21 of the flexible circuit board 20 extending along the direction away from the bending portion 11 (parallel to the direction X).

Illustratively, side 41 of reinforcement 40 is aligned with side 211 of bonding end 21 of flexible circuit board 20; the side 42 of the reinforcement 40 is aligned with the side 212 of the bonding end 21 of the flexible circuit board 20, so that the shape of the reinforcement 40 is consistent with the shape of the bonding end 21 of the flexible circuit board 20, and the whole area of the extending end of the screen body becomes a whole with better stiffness and is not easily deformed due to the influence of external force in the manufacturing process.

Alternatively, on the basis of the above embodiment, as shown in fig. 5 to 7, along the thickness direction (parallel to the direction Z) of the protruding end 13, two sides (as shown in fig. 5 and 6, the two sides may be the side 41 and the side 42) of the reinforcement 40 extending along the direction away from the bending portion 11 (parallel to the direction X) are respectively aligned with two sides (as shown in fig. 5 and 6, the two sides may be the side 31 and the side 32) of the driving chip 30 extending along the direction away from the bending portion 11 (parallel to the direction X).

Illustratively, the side 41 of the reinforcement 40 is aligned with the side 31 of the driver chip 30; the side 42 of the reinforcement 40 is aligned with the side 32 of the driving chip 30, so that the shape of the reinforcement 40 is consistent with the shape of the driving chip 30, and the whole area of the extending end of the screen body becomes a whole with better stiffness and is not easily deformed due to the influence of external force in the manufacturing process.

Alternatively, on the basis of the above embodiment, with continued reference to fig. 5, the top surface of the driver chip 30 away from the protruding end 13 is flush with the top surface of the bonding end 21 of the flexible circuit board 20 away from the protruding end 13.

Alternatively, on the basis of the above-described embodiment, with continued reference to fig. 7, the top surface 301 of the driver chip 30 remote from the protruding end 13 is stepped.

The shape of the driving chip 30 may be set as needed. The top surface 301 of the driving chip 30 is set to be step-shaped, so that one end, close to the flexible circuit board 20, of the top surface 301, far away from the protruding end 13, of the driving chip 30 is flush with one end, close to the driving chip 30, of the top surface 21, far away from the protruding end 13, of the flexible circuit board 20, and the attaching reinforcement 40 is convenient. The first end of the reinforcement 40 is adhered to one end of the top surface 301 of the driving chip 30 close to the flexible circuit board 20; the second end of the reinforcement 40 is adhered to an end of the top surface of the bonding end 21 of the flexible circuit board 20 close to the driving chip 30.

Alternatively, the end of the top surface 301 of the driving chip 30 away from the extended end 13 away from the flexible circuit board 20 is higher than the end of the top surface 301 of the driving chip 30 away from the extended end 13 close to the flexible circuit board 20.

Optionally, the top surface of the reinforcement 40 away from the protruding end 13 is flush with the end of the top surface 301 of the driving chip 30 away from the protruding end 13 away from the flexible circuit board 20.

Optionally, on the basis of the foregoing embodiment, fig. 8 is a schematic structural diagram of another display module provided in the embodiment of the present invention, fig. 9 is a schematic structural diagram of a top view of another display module provided in the embodiment of the present invention, fig. 10 is a schematic structural diagram of a side view of another display module provided in the embodiment of the present invention, and the display module further includes: the driving chip 30. The driving chip 30 is disposed on the flexible circuit board 20. Optionally, the contour of the projection of the bonding end 21 of the flexible circuit board 20 on the display panel 10 coincides with the contour of the protruding end 13. The side 213 of the bonded end 21 of the flexible circuit board 20 near the bent portion 11 is aligned with the boundary between the bent portion 11 and the protruding end 13, corresponding to the thickness direction of the protruding end 13 (parallel to the direction Z). The flexible circuit board 20 and the driving chip 30 may be integrated together, i.e. a Chip On Film (COF) to further reduce the frame. The projection of bonding end 21 of flexible circuit board 20 on protruding end 13 may be rectangular.

Optionally, on the basis of the above embodiment, with reference to fig. 1 to 10, the display module further includes: an anisotropic conductive paste 50.

Wherein the anisotropic conductive adhesive 50 is located between the bonding end 21 and the protruding end 13 of the flexible circuit board 20, and/or the anisotropic conductive adhesive 50 is located between the driving chip 30 and the protruding end 13.

After thermocompression bonding, the Anisotropic Conductive Film 50 (ACF) has conductivity in the Film thickness direction and insulation in the Film surface direction. A pad (not shown) at the bottom of the bonding end 21 of the flexible circuit board 20 can be electrically connected to a pad (not shown) on the protruding end 13 by an anisotropic conductive adhesive. The bonding pads (not shown) on the bottom of the driving chip 30 can be electrically connected to the bonding pads (not shown) on the protruding ends 13 by anisotropic conductive adhesive.

Optionally, the anisotropic conductive paste 50 covers part or all of the bent portion 11 and part or all of the protruding end 13. The anisotropic conductive adhesive 50 covers the bent portion 11, soft adhesive does not need to be adhered to the bent portion, the anisotropic conductive adhesive 50 adhered to the bent portion 11 can relieve the bending stress of the bent portion 11, the whole area of the extending end of the screen body becomes a whole with better stiffness, and the screen body cannot be easily deformed due to the influence of external force in the manufacturing process. The anisotropic conductive adhesive 50 adhered to the bonding end 21 of the flexible circuit board 20 may extend to the bent portion 11. The anisotropic conductive adhesive 50 bonded to the driving chip 30 may extend to the bent portion 11.

Optionally, the contour of the projection of the anisotropic conductive adhesive 50 on the display panel 10 coincides with the contour of the whole body formed by the bent portion 11 and the protruding end 13, that is, the contour of the anisotropic conductive adhesive 50 is consistent with the contour of the whole body formed by the bent portion 11 and the protruding end 13, so that the whole area of the protruding end of the screen body becomes a whole body with better stiffness, and the screen body cannot be easily deformed due to the influence of an external force in the manufacturing process.

The bonding end 21 of the flexible circuit board 20 and the driving chip 30 may be bonded to the protruding end 13 by the same anisotropic conductive adhesive 50. Along the thickness direction (parallel to the direction Z) of the protruding end 13, two sides (i.e., the side 51 and the side 52) of the anisotropic conductive adhesive 50 extending along the direction away from the non-bending portion 12 (parallel to the direction X) are aligned with two sides (i.e., the side 131 and the side 132) of the protruding end 13 extending along the direction away from the non-bending portion 12 (parallel to the direction X); along the thickness direction of the bent portion 11, two sides (i.e., the side 51 and the side 52) of the anisotropic conductive adhesive 50 extending along the direction away from the non-bent portion 12 (parallel to the direction X) are aligned with two sides (i.e., the side 111 and the side 112) of the bent portion 11 extending along the direction away from the non-bent portion 12 (parallel to the direction X); in the thickness direction of the bent portion 11, the side 53 of the anisotropic conductive adhesive 50 near the non-bent portion 12 is aligned with the boundary between the non-bent portion 12 and the bent portion 11; along the thickness direction of the protruding end 13, the side 54 of the anisotropic conductive adhesive 50 away from the non-bent portion 12 is aligned with the side 133 of the protruding end 13 away from the bent portion 11.

The bonding end 21 of the flexible circuit board 20 and the driving chip 30 may be bonded to the protruding end 13 by two pieces of anisotropic conductive paste 50. The bonding end 21 of the flexible circuit board 20 can be bonded to the protruding end 13 by a piece of anisotropic conductive adhesive 50; the driving chip 30 may be bonded to the protruding end 13 by another piece of anisotropic conductive adhesive 50. Optionally, along the thickness direction of the protruding end 13, two sides of the anisotropic conductive adhesive block corresponding to the bonding end 21 of the flexible circuit board 20 extending along the direction away from the non-bending portion 12 are aligned with two sides of the protruding end 13 extending along the direction away from the bending portion 11. Optionally, along the thickness direction of the protruding end 13, the side of the anisotropic conductive adhesive block away from the non-bending portion 12 corresponding to the bonding end 21 of the flexible circuit board 20 is aligned with the side of the protruding end 13 away from the bending portion 11. Optionally, along the thickness direction of the protruding end 13, two sides of the anisotropic conductive adhesive block corresponding to the driving chip 30 extending along the direction away from the non-bending portion 12 are aligned with two sides of the protruding end 13 extending along the direction away from the bending portion 11. Optionally, the side of the anisotropic conductive adhesive block corresponding to the driving chip 30 near the non-bending part 12 is aligned with the boundary between the non-bending part 12 and the bending part 11 along the thickness direction of the bending part 11.

The embodiment of the invention provides another display module. Fig. 11 is a schematic structural diagram of another display module according to an embodiment of the disclosure. Fig. 12 is a schematic top view illustrating a display module according to another embodiment of the present invention. On the basis of the above embodiment, the display module includes: a display panel 10, a flexible circuit board 20, and a driving chip 30.

The bonding end 21 of the flexible circuit board 20 is bonded to the first surface of the protruding end 13.

As shown in fig. 11 and 12, the driving chip 30 is bonded to the same surface of the protruding end 13 as the bonding end 21 of the flexible circuit board 20; the arrangement direction of the driving chip 30 and the bonding end 21 of the flexible circuit board 20 is perpendicular to the arrangement direction of the bending part 11 and the protruding end 13 (parallel to the direction Y); along the thickness direction (parallel to the direction Z) of the protruding end 13, a side (i.e., the side 31) of the driving chip 30 away from the bonding end 21 of the flexible circuit board 20 is aligned with a side (i.e., the side 131) of the protruding end 13 extending along the direction (parallel to the direction X) away from the bending portion 11; one side (i.e., the side 212) of the bonding end 21 of the flexible circuit board 20 away from the driving chip 30 is aligned with the other side (i.e., the side 132) of the protruding end 13 extending in a direction away from the bending portion 11 (parallel to the direction X). The shape of the whole body formed by the bonding end 21 of the flexible circuit board 20 and the driving chip 30 is consistent with that of the extending end 13, so that the whole area of the extending end of the screen body becomes a whole body with better stiffness, the whole body cannot be easily deformed due to the influence of external force in the manufacturing process, and the problems of breakage of wires in the extending end area, breakage and damage of the flexible circuit board and the driving chip, bonding, falling, failure and the like of the flexible circuit board and the driving chip in the manufacturing process can be effectively prevented. The direction X may be perpendicular to the direction Y. The direction X may be perpendicular to the direction Z. The direction Y may be perpendicular to the direction Z.

Optionally, in the arrangement direction (parallel to the direction Y) of the driving chip 30 and the bonding end 21 of the flexible circuit board 20, the side 33 of the driving chip 30 close to the bent portion 11 is aligned with the side 213 of the bonding end 21 of the flexible circuit board 20 close to the bent portion 11. Alternatively, along the thickness direction of the protruding end 13 (parallel to the direction Z), the side 33 of the driving chip 30 near the bent portion 11 is aligned with the boundary line between the bent portion 11 and the protruding end 13. Alternatively, along the thickness direction of the protruding end 13 (parallel to the direction Z), the side 213 of the bonding end 21 of the flexible circuit board 20 near the bent portion 11 is aligned with the boundary between the bent portion 11 and the protruding end 13.

Alternatively, along the thickness direction of the protruding end 13 (parallel to the direction Z), the side 34 of the driving chip 30 away from the bending part 11 is aligned with the side 133 of the protruding end 13 away from the bending part 11.

Optionally, on the basis of the foregoing embodiment, fig. 13 is a schematic structural diagram of another display module provided in the embodiment of the present invention, fig. 14 is a schematic structural diagram of a top view of another display module provided in the embodiment of the present invention, fig. 15 is a schematic structural cross-sectional diagram of a display module provided in the embodiment of the present invention, and the display module further includes: and (6) reinforcing 40.

Wherein the reinforcement 40 is located on the side of the flexible circuit board 20 and the driving chip 30 away from the protruding end 13; the first end of the reinforcement 40 is adhered to the top surface of the driving chip 30 away from the protruding end 13; a second end of the reinforcement 40 is attached to a top surface of the flexible circuit board 20 remote from the protruding end 13.

Fig. 15 is a schematic cross-sectional view of the display module along the direction A1a2 in fig. 13.

Alternatively, on the basis of the above embodiment, as shown in fig. 13 to fig. 15, along the thickness direction (parallel to the direction Z) of the protruding end 13, the side 43 of the reinforcement 40 close to the bending portion 11 is aligned with the side 213 of the bonding end 21 of the flexible circuit board 20 close to the bending portion 11, and the side 43 of the reinforcement 40 close to the bending portion 11 is aligned with the side 33 of the driving chip 30 close to the bending portion 11; the side 44 of the reinforcement 40 away from the bending part 11 is aligned with the side 34 of the driving chip 30 away from the bending part 11, so that the shape of the reinforcement 40 is consistent with the shape of the bonding end 21 of the flexible circuit board 20 and the driving chip 30, and the whole area of the extending end of the screen body becomes a whole with better stiffness and is not easily deformed due to the influence of external force in the manufacturing process.

Alternatively, on the basis of the above embodiment, with continued reference to fig. 13, the top surface of the driver chip 30 away from the protruding end 13 is flush with the top surface of the bonding end 21 of the flexible circuit board 20 away from the protruding end 13.

Alternatively, on the basis of the above embodiment, with continued reference to fig. 15, the top surface 301 of the driving chip 30 away from the protruding end 13 is stepped, and the end of the top surface 301 of the driving chip 30 away from the protruding end 13 away from the flexible circuit board 20 is higher than the end of the top surface 301 of the driving chip 30 away from the protruding end 13 close to the bonding end 21 of the flexible circuit board 20.

The end of the top surface 301 of the driving chip 30 away from the protruding end 13 close to the flexible circuit board 20 is flush with the end of the top surface 21 of the flexible circuit board 20 away from the protruding end 13 close to the driving chip 30. The first end of the reinforcement 40 is adhered to one end of the top surface 301 of the driving chip 30 close to the flexible circuit board 20; the second end of the reinforcement 40 is adhered to an end of the top surface of the bonding end 21 of the flexible circuit board 20 close to the driving chip 30.

Optionally, on the basis of the above embodiment, with reference to fig. 11 to fig. 15, the display module further includes: an anisotropic conductive paste 50.

The anisotropic conductive adhesive 50 is located between the bonding end 21 and the protruding end 13 of the flexible circuit board 20, and the anisotropic conductive adhesive 50 is located between the driving chip 30 and the protruding end 13.

Alternatively, on the basis of the above embodiment, with continuing reference to fig. 11 to fig. 15, the anisotropic conductive paste 50 covers part or all of the bent portion 11 and part or all of the protruding end 13.

Alternatively, on the basis of the above embodiment, with continuing reference to fig. 11 to fig. 15, the contour of the projection of the anisotropic conductive paste 50 on the display panel 10 coincides with the contour of the whole formed by the bent portion 11 and the protruding end 13.

The bonding end 21 of the flexible circuit board 20 and the driving chip 30 may be bonded to the protruding end 13 by the same anisotropic conductive adhesive 50.

The bonding end 21 of the flexible circuit board 20 and the driving chip 30 may be bonded to the protruding end 13 by two pieces of anisotropic conductive paste 50. The bonding end 21 of the flexible circuit board 20 can be bonded to the protruding end 13 by a piece of anisotropic conductive adhesive 50; the driving chip 30 may be bonded to the protruding end 13 by another piece of anisotropic conductive adhesive 50. Optionally, along the thickness direction of the protruding end 13, a side of the anisotropic conductive adhesive block away from the driving chip 30 corresponding to the bonding end 21 of the flexible circuit board 20 is aligned with a side of the protruding end 13 extending along a direction away from the bending portion 11. Optionally, along the thickness direction of the protruding end 13, a side of the anisotropic conductive adhesive block corresponding to the driving chip 30 away from the bonding end 21 of the flexible circuit board 20 is aligned with another side of the protruding end 13 extending along the direction away from the bending portion 11. Optionally, along the thickness direction of the protruding end 13, the side of the anisotropic conductive adhesive block away from the non-bending portion 12 corresponding to the bonding end 21 of the flexible circuit board 20 is aligned with the side of the protruding end 13 away from the bending portion 11. Optionally, along the thickness direction of the protruding end 13, the side of the anisotropic conductive adhesive block corresponding to the driving chip 30 away from the non-bending portion 12 is aligned with the side of the protruding end 13 away from the bending portion 11. Optionally, in the thickness direction of the bent portion 11, a side of the anisotropic conductive adhesive block corresponding to the bonding end 21 of the flexible circuit board 20 near the non-bent portion 12 is aligned with a boundary between the non-bent portion 12 and the bent portion 11. Optionally, the side of the anisotropic conductive adhesive block corresponding to the driving chip 30 near the non-bending part 12 is aligned with the boundary between the non-bending part 12 and the bending part 11 along the thickness direction of the bending part 11.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A display module, comprising:

the display panel comprises a bending part, and a non-bending part and an extending end which are positioned at two opposite sides of the bending part;

the bonding end of the flexible circuit board is bonded on the first surface of the extending end; the flexible circuit board comprises a flexible circuit board, a bending part and a protruding end, wherein the extending end is arranged on the flexible circuit board, the protruding end is arranged on the flexible circuit board, the two sides of the extending end are far away from the bending part, and the two sides of the extending end are respectively aligned with the two sides of the extending end.

2. The display module assembly of claim 1, wherein the display module assembly further comprises: the driving chip and the bonding end of the flexible circuit board are bonded on the same surface of the extending end; the driving chip is positioned between the bonding end of the flexible circuit board and the bending part; along the thickness direction of the extending end, two side edges of the driving chip extending along the direction far away from the bending part and two side edges of the extending end extending along the direction far away from the bending part are respectively aligned, and the side edge of the driving chip close to the bending part is aligned with the boundary of the bending part and the extending end.

3. The display module assembly of claim 2, wherein the display module assembly further comprises: reinforcing, wherein the reinforcing is positioned on one sides of the flexible circuit board and the driving chip far away from the extending end; the reinforced first end is bonded to the top surface of the driving chip far away from the extending end; the reinforced second end is bonded to the top surface of the flexible circuit board far away from the extending end.

4. The display module of claim 3, wherein the reinforcement comprises at least one of: polyethylene terephthalate, polyimide, and metal.

5. The display module according to claim 3, wherein, along the thickness direction of the protruding end, two sides of the reinforcement extending in the direction away from the bending portion are aligned with two sides of the bonding end of the flexible circuit board extending in the direction away from the bending portion; two side edges of the reinforcement extending along the direction far away from the bending part are respectively aligned with two side edges of the driving chip extending along the direction far away from the bending part;

the top surface of the driving chip, which is far away from the extending end, is step-shaped, and one end, which is far away from the flexible circuit board, of the top surface of the driving chip, which is far away from the extending end, is higher than one end, which is close to the flexible circuit board, of the top surface of the driving chip, which is far away from the extending end;

one end, close to the flexible circuit board, of the top surface, far away from the extending end, of the driving chip is flush with one end, close to the driving chip, of the top surface, far away from the extending end, of the bonding end of the flexible circuit board; the first end of the reinforcement is bonded to one end, close to the flexible circuit board, of the top surface of the driving chip; the second end of the reinforcement is bonded at one end, close to the driving chip, of the top surface of the bonding end of the flexible circuit board.

6. The display module assembly of claim 1, wherein the display module assembly further comprises: the driving chip is arranged on the flexible circuit board; the outline of the projection of the bonding end of the flexible circuit board on the display panel is superposed with the outline of the extending end.

7. The display module according to any one of claims 1-6, wherein the display module further comprises: the anisotropic conductive adhesive is positioned between a bonding end and an extending end of the flexible circuit board, and/or the anisotropic conductive adhesive is positioned between the driving chip and the extending end; the anisotropic conductive adhesive covers part or all of the bending part and part or all of the extending end;

the contour of the projection of the anisotropic conductive adhesive on the display panel is superposed with the contour of the whole formed by the bending part and the extending end.

8. A display module, comprising:

the driving chip and the bonding end of the flexible circuit board are bonded on the same surface of the extending end; the arrangement direction of the driving chip and the bonding end of the flexible circuit board is perpendicular to the arrangement direction of the bent part and the extending end; along the thickness direction of the extending end, the side edge of the driving chip, which is far away from the bonding end of the flexible circuit board, is aligned with the side edge of the extending end, which extends along the direction far away from the bending part; one side of the bonding end of the flexible circuit board, which is far away from the driving chip, is aligned with the other side of the extending end, which extends along the direction far away from the bending part.

9. The display module assembly of claim 8, wherein the display module assembly further comprises: reinforcing, wherein the reinforcing is positioned on one sides of the flexible circuit board and the driving chip far away from the extending end; the reinforced first end is bonded to the top surface of the driving chip far away from the extending end; the reinforced second end is bonded to the top surface of the flexible circuit board far away from the extending end.

10. The display module according to claim 8 or 9, wherein the display module further comprises: the anisotropic conductive adhesive is positioned between the bonding end and the extending end of the flexible circuit board, and the anisotropic conductive adhesive is positioned between the driving chip and the extending end; the anisotropic conductive adhesive covers part or all of the bending part and part or all of the extending end;