CN220983685U - Display device - Google Patents

Abstract

The disclosure relates to the technical field of display equipment and provides a display device. The display device comprises a display panel and a backlight module, wherein the backlight module comprises a back plate assembly and an optical film group, an accommodating space is formed on the back plate assembly, and the optical film group is arranged in the accommodating space; the optical film group comprises a diffusion plate and at least two films which are arranged in a laminated mode, the at least two films comprise a first film and a second film, the first film is close to the side of the display panel compared with the second film, the edge of the first film exceeds the edge of the second film and the diffusion plate, a first bending part is formed by bending the first side of the optical film group to the second side, the first end of the first bending part is fixed on the first side of the optical film group, and the second end of the first bending part is fixed on the second side of the optical film group. The display device provided by the disclosure can enhance the installation stability between the multilayer diaphragm and the diffusion plate, and prevent the multilayer diaphragm from falling off, thereby ensuring the display effect of the display device.

Description

Display device

Technical Field

The disclosure relates to the technical field of display equipment, and in particular relates to a display device.

Background

In order to improve parameters such as brightness of a display device, for example, a liquid crystal television, a conventional backlight module of the liquid crystal television generally adopts a plurality of layers of films, and the plurality of layers of films are sequentially attached by using adhesive tapes to realize combined installation. In order to ensure the screen effect, all the periphery of the multilayer film needs to be pasted, however, when the area of the adhesive tape pasting is too large, the film is easy to wrinkle, so that the display effect of the display device such as a liquid crystal television is poor, and when the area of the adhesive tape pasting is too small, the film pasting is not firm enough, the multilayer film can fall off, thereby affecting the function realization of the display device and reducing the use feeling of a user.

Disclosure of utility model

In order to solve the above technical problems or at least partially solve the above technical problems, the present disclosure provides a display device.

The present disclosure provides a display device including:

A display panel configured to display an image;

The backlight module is arranged on the non-display surface of the display panel and comprises a back plate assembly and an optical film group, wherein an accommodating space is formed on the back plate assembly, and the optical film group is arranged in the accommodating space;

The optical film group comprises a diffusion plate and at least two films which are arranged in a stacked manner, wherein the at least two films comprise a first film and a second film;

Wherein the first membrane is closer to the display panel than the second membrane;

The edge of the first membrane exceeds the edges of the second membrane and the diffusion plate, and a first side of the optical membrane group is bent to a second side to form a first bending part, wherein the first side and the second side are two opposite sides of the optical membrane group;

The first end of the first bending part is fixed on the first side of the optical film group, and the second end of the first bending part is fixed on the second side of the optical film group.

Optionally, the first bending part includes a first bending edge and a second bending edge;

The edge of the first diaphragm is bent towards the second diaphragm and the diffusion plate to form a first bent edge, the first bent edge is bent towards the central area of the diffusion plate to form a second bent edge, and the second bent edge is fixed with a side plate surface of the diffusion plate, which is opposite to the second diaphragm.

Optionally, a first seam line and a second seam line which are parallel to each other are formed on the first membrane, the edge of the first membrane is bent along the first seam line to form the first bent edge, and the first bent edge is bent along the second seam line to form the second bent edge.

Optionally, a plurality of first notches are formed on the first membrane in a blanking manner, the first notches are arranged between the first riding lines and the second riding lines at intervals, and two opposite side walls of the first notches are respectively located on the same straight line with the first riding lines and the second riding lines.

Optionally, the at least two films further include a third film, and the second film is closer to the display panel than the third film;

The edge of the first membrane exceeds the edges of the second membrane, the third membrane and the diffusion plate, and the first bending part is formed by bending the first side of the optical membrane group to the second side.

Optionally, the first bending part includes a first bending edge and a second bending edge;

The edge of the first diaphragm faces the second diaphragm, the third diaphragm and the diffusion plate are bent to form a first bent edge, the first bent edge is bent by the edge area of the diffusion plate to face the central area of the diffusion plate to form a second bent edge, and the second bent edge is fixed with a side plate surface of the diffusion plate, which faces away from the third diaphragm.

Optionally, the edge of the second membrane exceeds the edges of the third membrane and the diffusion plate, the edge of the second membrane is bent towards the third membrane and the diffusion plate to form a second bending part, and the second bending part is wrapped at the edges of the third membrane and the diffusion plate;

Or the edge of the second diaphragm exceeds the third diaphragm, the edge of the second diaphragm is bent towards the third diaphragm to form a second bending part, and the second bending part wraps the edge of the third diaphragm and is fixed with the diffusion plate towards one side plate surface of the third diaphragm.

Optionally, the second bending part includes a third bending edge and a fourth bending edge;

The edge of the second diaphragm is bent towards the third diaphragm and the diffusion plate to form a third bent edge, the third bent edge is bent from the edge area of the diffusion plate to the central area of the diffusion plate to form a fourth bent edge, and the fourth bent edge is fixed with a side plate surface of the diffusion plate, which is opposite to the third diaphragm;

Or the edge of the second diaphragm is bent towards the third diaphragm to form a third bent edge, the third bent edge is bent from the edge area of the third diaphragm towards the central area of the third diaphragm to form a fourth bent edge, and the fourth bent edge and the diffusion plate are fixed towards one side plate surface of the third diaphragm.

Optionally, a third seam line and a fourth seam line which are parallel to each other are formed on the second membrane, the edge of the second membrane is bent along the third seam line to form the third bent edge, and the third bent edge is bent along the fourth seam line to form the fourth bent edge;

The second membrane is provided with a plurality of second gaps in a blanking mode, the second gaps are arranged between the third riding stitching line and the fourth riding stitching line at intervals, and two opposite side walls of the second gaps are respectively located on the same straight line with the third riding stitching line and the fourth riding stitching line.

The present disclosure also provides a display device including:

The optical film group comprises a diffusion plate and at least two films which are arranged in a laminated mode, wherein the at least two films comprise a first film and a second film, and the second film and the first film are sequentially laminated on the diffusion plate;

The edge of the first membrane exceeds the edges of the second membrane and the diffusion plate, and the first side and the second side of the optical membrane group are bent to form a first bending part, wherein the first side and the second side are two opposite sides of the optical membrane group;

The first end of the first bending part is fixed on the first side of the optical film group, and the second end of the first bending part is fixed on the second side of the optical film group;

The back plate assembly is provided with an accommodating space, and the optical film group is plugged in the accommodating space so as to realize the assembly of the optical film group and the back plate assembly to form a backlight module;

And the display panel is arranged on the backboard component, and the first diaphragm is close to the display panel side compared with the second diaphragm.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

The display device provided by the disclosure comprises a display panel and a backlight module, wherein the backlight module is arranged on a non-display surface of the display panel, the backlight module comprises a back plate assembly and an optical film group, an accommodating space is formed on the back plate assembly, and the optical film group is arranged in the accommodating space. The optical film group comprises a diffusion plate and at least two layers of films which are arranged in a stacked mode, the diffusion plate and the at least two layers of films can be assembled in advance in an off-line mode, and the assembled optical film group can be directly plugged into the accommodating space on the backboard component only by one plugging step. Specifically, at least two-layer diaphragm includes first diaphragm and second diaphragm, first diaphragm is close to the display panel side in the second diaphragm, and the edge of first diaphragm surpasses the edge of second diaphragm and diffuser plate, and buckle by the first side of optics diaphragm group and form first kink, the first end of first kink is fixed in the first side of optics diaphragm group, the second end of first kink is fixed in the second side of optics diaphragm group, with the diffuser plate of optics diaphragm group and at least two-layer diaphragm are together fixed through first kink, the installation stability between at least two-layer diaphragm and the diffuser plate is strengthened, reduce the risk that the diaphragm drops from the diffuser plate because the diaphragm quantity increases, so can guarantee the installation fastness without using too many sticky tape, thereby avoid using too much sticky tape and lead to the problem of diaphragm wrinkling, and then guarantee display device's display effect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic cross-sectional view of a display device according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a display device according to an embodiment of the utility model;

FIG. 3 is a partial enlarged view of a display device according to an embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a first membrane according to an embodiment of the utility model;

FIG. 5 is a schematic diagram of a display device according to another embodiment of the utility model;

FIG. 6 is a partial enlarged view of a display device according to another embodiment of the utility model;

FIG. 7 is a schematic view of a first membrane according to another embodiment of the utility model;

FIG. 8 is a schematic diagram of an optical film set according to another embodiment of the present utility model;

FIG. 9 is a schematic diagram of an optical film set according to another embodiment of the present utility model;

FIG. 10 is a schematic diagram of an optical film set according to another embodiment of the present utility model.

In the figure: 10. a display panel;

20. a back plate assembly; 21. a module middle frame; 22. a module back plate; 23. an accommodation space;

30. An optical film set; 31. a first membrane; 311. a first bent edge; 312. a second bent edge; 313. a first riding line; 314. a second riding line; 315. a first notch; 32. a second membrane; 321. a third bent edge; 322. a fourth bent edge; 33. a third membrane; 34. a diffusion plate; 35. and (3) adhesive tape.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

The display device and the assembling method thereof will be described in detail with reference to specific examples:

Referring to fig. 1, 8, 9 and 10, some embodiments of the present utility model provide a display device including a display panel 10 and a backlight module, wherein the display panel 10 is configured to display an image.

In particular, when the backlight module includes a back plate assembly 20, specifically, the back plate assembly 20 includes a module middle frame 21 and a module back plate 22, the module middle frame 21 is fixed with the module back plate 22 by means of adhesion, screws or buckles to form the back plate assembly 20, and an accommodating space 23 is formed at the inner side of the back plate assembly 20. Specifically, the module back plate 22 may be directly bent to form the accommodating space 23; the module middle frame 21 and the module back plate 22 may be combined to form a receiving space 23 on the inner side.

Referring to fig. 1, the accommodation space 23 is directly formed by bending the module back plate 22, and the accommodation space 23 is in a C-shape, the display panel 10 is fixed to the module middle frame 21, and the module middle frame 21 is fixed to the module back plate 22, and of course, the accommodation space 23 is not limited to the C-shape, and may be in other shapes as long as the optical film group 30 can be accommodated. The display panel 10 and the module middle frame 21, and the module middle frame 21 and the module back plate 22 can be adhered and fixed by adhesive tape 35.

Further, the backlight module further includes an optical film set 30, and the optical film set 30 is disposed in the accommodating space 23. Specifically, the optical film group 30 may be plugged into the accommodating space 23 as a unit, and after the optical film group 30 is plugged into the accommodating space 23, the adhesive fixation may be achieved by the adhesive tape 35. In particular, the tape 35 may be a VHB tape.

It should be noted that, the optical film set 30 may be a combined structure formed by assembling a plate material and a film material. Specifically, the plate material may include a diffusion plate 34, and the film material may include a quantum film, a composite film, and the like, which may be reasonably set according to actual requirements.

Specifically, the optical film group 30 includes a diffusion plate 34 and at least two films, and the diffusion plate 34 and the at least two films are sequentially stacked.

Referring to fig. 1, in some embodiments, the optical film set 30 includes a first film 31, a second film 32, and a diffusion plate 34, where the first film 31, the second film 32, and the diffusion plate 34 are sequentially stacked, the first film 31 is disposed closer to the display panel 10 than the second film 32, and the second film 32 is disposed closer to the display panel 10 than the diffusion plate 34. The edge of the first film 31 exceeds the edge of the second film 32 and the diffusion plate 34, and is bent from the first side to the second side of the optical film set 30 to form a first bent portion, wherein the first side and the second side of the optical film set 30 are two opposite sides of the optical film set 30, the first end of the first bent portion is fixed on the first side of the optical film set 30, and the second end of the first bent portion is fixed on the second side of the optical film set 30.

So set up to fix the diffuser plate 34 and the at least two-layer diaphragm of optics diaphragm group 30 together through first kink, strengthen the installation stability between at least two-layer diaphragm and the diffuser plate 34, reduce the risk that the diaphragm drops from diffuser plate 34 because diaphragm quantity increases and lead to, so can guarantee the installation fastness without using too much sticky tape, thereby avoid using too much sticky tape and lead to the problem that the diaphragm wrinkled, and then guarantee display device's display effect.

It should be understood that the first bending portion is formed by bending the edge of the first film 31 from the first side to the second side of the optical film set 30, and the first end of the first bending portion is fixed to the first side of the optical film set 30, and the second end of the first bending portion is fixed to the second side of the optical film set 30, so as to wrap the second film 32 and the diffusion plate 34 with the first bending portion, prevent the first film 31 and the second film 32 from falling off from the diffusion plate 34, enhance the installation stability between the two films and the diffusion plate 34, and ensure the display effect of the display device.

The first side and the second side of the optical film set 30 are opposite sides of the optical film set 30, a side of the first film 31 facing away from the second film 32 is formed as a first side of the optical film set 30, a side of the diffusion plate 34 facing away from the second film 32 is formed as a second side of the optical film set 30, a first end of a first bending portion formed by an edge of the first film 31 is fixed on the first side of the optical film set 30, and a second end is fixed on the second side of the optical film set 30, so as to wrap the second film 32 and the diffusion plate 34 through the first bending portion, so that the optical film set 30 is assembled into a whole.

In the case where the number of the films is three or more, the remaining films and the diffusion plate 34 may be wrapped with the first bending portion formed on the first film 31, so that the optical film group 30 may be assembled into a single body by the first bending portion.

It can be appreciated that the diffusion plate 34 and at least two layers of films can be assembled in advance in an off-line manner, the assembled optical film group 30 is directly plugged into the accommodating space 23 on the back plate assembly 20, and the mounting can be completed by only performing one plugging step, so that the abrasion problem caused by the movement of the optical film group 30 in the back plate assembly 20 can be reduced, the maximum optimized operation process can be realized, the assembly procedure can be reduced, and the production efficiency can be improved.

It should be noted that the second membrane 32 and the diffusion plate 34 may be fixed by adhesive tape 35, and the second membrane 32 and the diffusion plate 34 are wrapped by the first bending portion of the first membrane 31 after being fixed, so that the first membrane 31 is fixed on the diffusion plate 34, and the second membrane 32 is limited between the first membrane 31 and the diffusion plate 34.

Specifically, the edge of the first membrane 31 exceeds the edges of the second membrane 32 and the diffusion plate 34, so that a first bending part capable of wrapping the edges of the second membrane 32 and the diffusion plate 34 is formed by bending twice, the first bending direction is the direction from the edge of the first membrane 31 toward the second membrane 32 and the diffusion plate 34, and the second bending direction is the direction from the edge of the diffusion plate 34 toward the center of the diffusion plate 34.

That is, the edge of the first film 31 is bent for the first time to form a first bent edge 311, and a second bent edge 312 is formed on the first bent edge 311. The second bending edge 312 is fixed on the back surface of the diffusion plate 34 by an adhesive tape 35 after being bent, that is, a side surface of the diffusion plate 34 away from the second membrane 32, so as to prevent the first membrane 31 from falling off.

The second bending edge 312 and the diffusion plate 34, and the second membrane 32 and the diffusion plate 34 may be adhered and fixed by a plurality of short adhesive tapes 35 in a plurality of segments, as shown in fig. 2 and 3; of course, other fixing methods are also possible, as long as fixing can be achieved, and the present disclosure is not limited thereto.

It should be noted that, the first membrane 31 has four sides, and the edges of the four sides can be bent to form a first bending portion, and the first bending portion wraps the peripheral edges of the second membrane 32 and the diffusion plate 34, so as to enhance the installation stability between the multi-layer membrane and the diffusion plate 34. Of course, the first bending portions may be formed only on the opposite sides of the first membrane 31, or on any two or three sides, as long as the second membrane 32 and the diffusion plate 34 can be wrapped and the membrane is prevented from falling off from the diffusion plate 34.

In some embodiments, referring to fig. 4, a first seam line 313 and a second seam line 314 are formed on the first film 31, the first seam line 313 and the second seam line 314 are disposed parallel to each other, and the first film 31 is bent according to the first seam line 313 and the second seam line 314 to form a first bending portion.

Specifically, with continued reference to fig. 4, the first diaphragm 31 forms a first bent edge 311 along a first riding line 313, and the first bent edge 311 forms a second bent edge 312 along a second riding line 314. Meanwhile, the distance between the first seam line 313 and the second seam line 314 is greater than or equal to the thickness of the second membrane 32 and the diffusion plate 34 after being adhered, so that the first bending portion can be wrapped at the edges of the second membrane 32 and the diffusion plate 34.

When the thickness of the first membrane 31 is relatively thin (i.e., the first membrane 31 is a non-composite membrane), the first seam line 313 and the second seam line 314 are directly formed at the edge of the first membrane 31, and the edge of the first membrane 31 is bent twice along the first seam line 313 and the second seam line 314 to form the first bending portion.

When the thickness of the first membrane 31 is thicker (i.e., the first membrane 31 is a composite membrane such as DPP or CPP, etc.), referring to fig. 5 to 7, a first notch 315 is formed at the edge of the first membrane 31 to reduce the stress when the first membrane 31 with thicker thickness is subjected to bending operation, so as to avoid the problem that the adhesive is spread at the bonding position due to the larger stress of the first membrane 31 in the bonding process after bending. Specifically, the first notch 315 may be based on blanking.

It will be appreciated that, referring to fig. 7, the first notch 315 is disposed between the first riding suture line 313 and the second riding suture line 314, and the number of the first notches 315 is plural, and the plural first notches 315 are disposed at intervals. Specifically, the width dimension of the first notch 315 is equal to the distance between the first seam line 313 and the second seam line 314, that is, two opposite sidewalls of the first notch 315 are respectively located on the same line with the first seam line 313 and the second seam line 314, so as to reduce stress, facilitate bending of the first membrane 31, and prevent the adhesive from being spread at the joint due to excessive stress.

With continued reference to fig. 7, the first diaphragm 31 forms a first bent edge 311 along a line along one of the two opposing sidewalls of the first notch 315 (i.e., along the first riding line 313), and the first bent edge 311 forms a second bent edge 312 along a line along the other of the two opposing sidewalls of the first notch 315 (i.e., along the second riding line 314). This arrangement reduces the bending stress of the first membrane 31 at the plurality of first notches 315.

Referring to fig. 8, 9 and 10, in other embodiments, the optical film group 30 includes a diffusion plate 34 and at least three layers of films stacked, where the first film 31, the second film 32, the third film 33 and the diffusion plate 34 are stacked in sequence, or the diffusion plate 34, the third film 33, the second film 32 and the first film 31 are stacked in sequence, the first film 31 is disposed closer to the display panel 10 than the second film 32, the second film 32 is disposed closer to the display panel 10 than the third film 33, and the third film 33 is disposed closer to the display panel 10 than the diffusion plate 34. The edge of the first film 31 is bent to form a first bending part, a first end of the first bending part is fixed on a first side of the optical film set 30, and a second end of the first bending part is fixed on a second side of the optical film set 30.

That is, the second membrane 32, the third membrane 33 and the diffusion plate 34 are wrapped by the first bending portion of the first membrane 31, so that the first membrane 31 is fixed on the diffusion plate 34, and the first membrane 31, the second membrane 32, the third membrane 33 and the diffusion plate 34 are assembled as a whole, thereby preventing the three-layer membrane from falling off from the diffusion plate 34.

The first side and the second side of the optical film set 30 are opposite sides of the optical film set 30, a side of the first film 31 facing away from the second film 32 is formed as a first side of the optical film set 30, a side of the diffusion plate 34 facing away from the third film 33 is formed as a second side of the optical film set 30, a first end of a first bending portion formed by an edge of the first film 31 is fixed on the first side of the optical film set 30, and a second end of the first bending portion is fixed on the second side of the optical film set 30, so as to wrap the second film 32, the third film 33 and the diffusion plate 34 through the first bending portion, so that the optical film set 30 is assembled into a whole.

So set up, diffuser plate 34 and three-layer diaphragm can assemble in advance in the off-line, and the direct stopper dress of assembled optics diaphragm group 30 is to the accommodation space 23 on the backplate subassembly 20, only need carry out a stopper dress step and can accomplish the installation, can reduce the grinding problem that optics diaphragm group 30 activity and lead to in backplate subassembly 20.

Specifically, the edges of the first membrane 31 extend beyond the edges of the second membrane 32, the third membrane 33 and the diffusion plate 34, so that a first bending part capable of wrapping the edges of the second membrane 32, the third membrane 33 and the diffusion plate 34 is formed by bending twice, and the direction of the first bending is from the edge of the first membrane 31 to the direction of the second membrane 32, the third membrane 33 and the diffusion plate 34, and the direction of the second bending is from the edge of the diffusion plate 34 to the center of the diffusion plate 34.

The edge of the first membrane 31 is bent for the first time to form a first bent edge 311, and a second bent edge 312 is formed on the first bent edge 311. The second bending edge 312 is fixed on the back surface of the diffusion plate 34 by an adhesive tape 35 after being bent, that is, one side surface of the diffusion plate 34 away from the second membrane 32 and the third membrane 33, so as to prevent the first membrane 31 from falling off.

Referring to fig. 8, in some embodiments, the second membrane 32 is fixed on the third membrane 33, the third membrane 33 is fixed on the diffusion plate 34, specifically, the second membrane 32, the third membrane 33 and the diffusion plate 34 are sequentially bonded and fixed by the adhesive tape 35 and then wrapped by the first bending part of the first membrane 31, the second membrane 32 and the third membrane 33 are limited between the first membrane 31 and the diffusion plate 34, and the first membrane 31 is fixed on the diffusion plate 34 to prevent the three-layer membrane from falling off from the diffusion plate 34.

Further, a first seam line 313 and a second seam line 314 are formed on the first film 31, the first seam line 313 and the second seam line 314 are disposed parallel to each other, and the first film 31 is bent according to the first seam line 313 and the second seam line 314 to form a first bending portion.

Specifically, the first film 31 forms a first bent edge 311 along a first riding line 313, and the first bent edge 311 forms a second bent edge 312 along a second riding line 314. Meanwhile, the distance between the first riding line 313 and the second riding line 314 is greater than or equal to the thickness of the second membrane 32, the third membrane 33 and the diffusion plate 34 after being pasted, so that the first bending part can be wrapped at the edges of the second membrane 32, the third membrane 33 and the diffusion plate 34.

When the thickness of the first membrane 31 is thin, the first and second riding lines 313 and 314 are directly formed at the edge of the first membrane 31, and the edge of the first membrane 31 is bent twice along the first and second riding lines 313 and 314 to form the first bending part; when the thickness of the first film 31 is thicker, a plurality of first notches 315 are punched at the edge of the first film 31 to reduce the stress when the first film 31 with thicker thickness is subjected to bending operation.

Referring to fig. 9, in other embodiments, the edge of the second membrane 32 is bent to form a second bending portion, the third membrane 33 and the diffusion plate 34 are wrapped by the second bending portion after being fixed, the third membrane 33 is limited between the second membrane 32 and the diffusion plate 34, and the first bending portion is wrapped on the second bending portion, so that the first membrane 31 is fixed on the diffusion plate 34, and the three-layer membrane is prevented from falling off from the diffusion plate 34.

In particular, the edge of the second membrane 32 exceeds the edges of the third membrane 33 and the diffusion plate 34, so that a second bending portion capable of wrapping the third membrane 33 and the diffusion plate 34 is formed by bending twice, wherein the direction of the first bending is the direction from the edge of the first membrane 31 toward the second membrane 32 and the diffusion plate 34, and the direction of the second bending is the direction from the edge of the diffusion plate 34 toward the center of the diffusion plate 34.

That is, the edge of the second membrane 32 is bent for the first time to form a third bent edge 321, and a second bending is performed on the third bent edge 321 to form a fourth bent edge 322. The fourth bent edge 322 is fixed on the back of the diffusion plate 34 by an adhesive tape 35 after being bent, that is, one side of the diffusion plate 34 far from the third membrane 33 is surface, so as to prevent the second membrane 32 from falling off.

Further, the first bending portion wraps the second bending portion, and the second bending edge 312 of the first bending portion and the fourth bending edge 322 of the second bending portion are adhered and fixed by the adhesive tape 35, so as to prevent the first membrane 31 from falling off.

A third seam line and a fourth seam line are formed on the second film sheet 32, the third seam line and the fourth seam line being disposed parallel to each other, and the second film sheet 32 is bent according to the third seam line and the fourth seam line to form a second bending portion.

In particular, the second membrane 32 forms a third bent edge 321 along a third seam line, and the third bent edge 321 forms a fourth bent edge 322 along a fourth seam line. Meanwhile, the distance between the third seam line and the fourth seam line is greater than or equal to the thickness of the third membrane 33 and the diffusion plate 34 after being pasted, so that the second bending part can be wrapped at the edges of the third membrane 33 and the diffusion plate 34.

When the thickness of the second membrane 32 is thinner, a third seam line and a fourth seam line are directly formed at the edge of the second membrane 32, and the edge of the second membrane 32 is bent twice along the third seam line and the fourth seam line to form a second bending part; when the thickness of the second membrane 32 is thicker, a plurality of second notches are punched at the edge of the second membrane 32 at intervals, so as to reduce the stress when the second membrane 32 with thicker thickness is subjected to bending operation.

It should be noted that, the second notches and the first notches 315 may be respectively staggered, so as to avoid the problem of side light leakage of the display device.

Referring to fig. 10, in still other embodiments, the edge of the second membrane 32 is bent to form a second bending portion, the third membrane 33 is wrapped by and fixed to the second bending portion, the second bending portion is fixed to the diffusion plate 34, and the first bending portion is wrapped around the second bending portion and the edge of the diffusion plate 34, so that the three-layer membrane is fixed to the diffusion plate 34. The third membrane 33 is limited in the second bending part, and the second membrane 32 is limited between the first membrane 31 and the diffusion plate 34, so that the three-layer membrane is prevented from falling off from the diffusion plate 34.

Specifically, the edge of the second membrane 32 exceeds the edge of the third membrane 33, so that a second bending portion capable of wrapping the third membrane 33 is formed by bending twice, wherein the direction of the first bending is the direction from the edge of the first membrane 31 toward the second membrane 32, and the direction of the second bending is the direction from the edge of the third membrane 33 toward the center of the third membrane 33.

That is, the edge of the second membrane 32 is bent for the first time to form a third bent edge 321, and a second bending is performed on the third bent edge 321 to form a fourth bent edge 322.

The fourth bending edge 322 may be adhered and fixed on the third membrane 33 by using an adhesive tape 35, and a side surface of the fourth bending edge 322 far from the third membrane 33 may be adhered and fixed on the front surface of the diffusion plate 34 by using the adhesive tape 35, that is, a side surface of the diffusion plate 34 near the third membrane 33, so as to prevent the second membrane 32 from falling off.

Further, a third seam line and a fourth seam line are formed on the second film sheet 32, the third seam line and the fourth seam line being disposed parallel to each other, and the second film sheet 32 is folded according to the third seam line and the fourth seam line to form a second folded portion.

In particular, the second membrane 32 forms a third bent edge 321 along a third seam line, and the third bent edge 321 forms a fourth bent edge 322 along a fourth seam line. Meanwhile, the distance between the third seam line and the fourth seam line is greater than or equal to the thickness of the third membrane 33, so that the second bending portion can be wrapped at the edge of the third membrane 33.

When the thickness of the second membrane 32 is thinner, a third seam line and a fourth seam line are directly formed at the edge of the second membrane 32, and the edge of the second membrane 32 is bent twice along the third seam line and the fourth seam line to form a second bending part; when the thickness of the second membrane 32 is thicker, a plurality of second notches are punched at the edge of the second membrane 32 at intervals, so as to reduce the stress when the second membrane 32 with thicker thickness is subjected to bending operation.

It should be noted that, the second notches and the first notches 315 may be respectively staggered, so as to avoid the problem of side light leakage of the display device.

In other embodiments, the optical film group 30 may further include a diffusion plate 34 and more than three films, such as four, five or more films, stacked to improve the display brightness of the display device.

In particular, when the multi-layer membrane and the diffusion plate 34 are sequentially stacked, the edge of the membrane positioned at the uppermost layer exceeds the edges of the rest of the membrane and the diffusion plate 34, and the edge of the membrane is bent to form a first bending part, the rest of the membrane and the diffusion plate 34 are wrapped by the first bending part, so that the membrane at the uppermost layer is prevented from falling off from the diffusion plate 34, and the installation stability between the multi-layer membrane and the diffusion plate 34 is enhanced.

The rest of the films can be bonded and fixed between the film and the diffusion plate 34 at the uppermost layer in sequence through the adhesive tape 35, and a second bending part, a third bending part and the like can be arranged on the film of any layer so as to realize bonding and fixing between the rest of the films or between the rest of the films and the diffusion plate 34.

It should be noted that, as long as the membrane located at the uppermost layer can form the first bending portion and wrap around the edges of the rest of the membranes and the diffusion plate 34, so as to prevent the multi-layer membrane from falling off from the diffusion plate 34, the fixing manner between the rest of the membranes or between the rest of the membranes and the diffusion plate 34 should be within the protection scope of the disclosure as long as the fixing manner does not deviate from the inventive concept of the disclosure.

Other embodiments of the present disclosure provide a display device including: an optical film set 30, a back plate assembly 20 and a display panel 10.

Specifically, the optical film group 30 includes a diffusion plate 34 and at least two films, which are laminated, the at least two films including a first film 31 and a second film 32, the second film 32 and the first film 31 being laminated in this order on the diffusion plate 34.

The edge of the first film 31 exceeds the edges of the second film 32 and the diffusion plate 34, and is bent from the first side to the second side of the optical film set 30 to form a first bending part, wherein the first side and the second side are two opposite sides of the optical film set 30;

the first end of the first bending part is fixed on the first side of the optical film set 30, and the second end of the first bending part is fixed on the second side of the optical film set 30.

By the above arrangement, the diffusion plate 34 and at least two films included in the optical film group 30 are assembled as a whole.

Further, the back plate assembly 20 is formed with a receiving space 23, and the optical film set 30 is plugged into the receiving space 23 of the back plate assembly 20, so as to assemble the optical film set 30 and the back plate assembly 20 to form a backlight module.

Further, the display panel 10 is mounted on the back plate assembly 20, and the first membrane 31 is closer to the display panel 10 than the second membrane 32. Specifically, the display panel 10 may be mounted to the backlight unit formed by the assembly, thereby realizing the assembly of the display panel 10 and the backlight unit as one body. Of course, in the implementation, it is also possible to assemble the display panel 10 onto the back plate assembly 20 first, and then assemble the optical film set 30 into the accommodating space of the back plate assembly 20.

Specifically, the assembly process of the display device provided in the above embodiment of the present disclosure is as follows:

S11, assembling an optical film group 30, wherein the optical film group 30 comprises a diffusion plate 34 and at least two films which are arranged in a laminated manner, the at least two films comprise a first film 31 and a second film 32, and the second film 32 and the first film 31 are sequentially laminated on the diffusion plate 34;

The edge of the first film 31 exceeds the edges of the second film 32 and the diffusion plate 34, and is bent from the first side to the second side of the optical film set 30 to form a first bending part, wherein the first side and the second side are two opposite sides of the optical film set 30;

The first end of the first bending part is fixed on the first side of the optical film group 30, and the second end of the first bending part is fixed on the second side of the optical film group 30;

S12, plugging the optical film group 30 formed after assembly into the accommodating space 23 of the backboard assembly 20;

S13, the display panel 10 is assembled on the back plate assembly 20, and the first membrane 31 is close to the display panel 10 side compared with the second membrane 32.

The following description will take the optical film set 30 including the diffusion plate 34 and two films as an example:

First, an adhesive tape 35 is adhered to an edge portion of one side plate surface of the diffusion plate 34, the second membrane 32 is stacked and placed above the diffusion plate 34, and the adhesive tape 35 provided to the edge portion of the diffusion plate 34 is used to fix the second membrane 32 to the diffusion plate 34;

Then, an adhesive tape 35 is adhered to the edge part of the side surface of the second membrane 32 facing away from the diffusion plate 34, the first membrane 31 is stacked and placed above the second membrane 32, the edge of the first membrane 31 exceeds the edges of the second membrane 32 and the diffusion plate 34, and then the adhesive tape 35 arranged at the edge part of the second membrane 32 is used for adhering and fixing the first membrane 31 and the second membrane 32;

Then, the edge portion of the first membrane 31 beyond the second membrane 32 and the diffusion plate 34 is bent, specifically, the side of the first membrane 31 facing away from the second membrane 32 is bent toward the diffusion plate 34 facing away from the second membrane 32, so as to form a first bending portion;

finally, an adhesive tape 35 is adhered to the edge portion of the side surface of the diffusion plate 34 facing away from the second membrane 32, and one end of the first bending portion, which is far away from the first membrane 31, is adhered and fixed to the edge portion of the side surface of the diffusion plate 34 facing away from the second membrane 32 through the adhesive tape 35, so that the first membrane 31, the second membrane 32 and the diffusion plate 34 are assembled into a whole.

In the above embodiment, the optical film group 30 may be assembled into a whole in advance and plugged into the accommodating space 23 of the back plate assembly 20, compared with the original method of installing and pasting the multilayer film and the diffusion plate 34 layer by layer in the back plate assembly 20, the abrasion problem caused by the movement of the optical film group 30 in the back plate assembly 20 can be reduced, the assembled optical film group 30 can be plugged into the accommodating space 23 of the back plate assembly 20 only by one-time plugging step, so that the maximum optimization operation process can be realized, the assembly procedure is reduced, and the installation efficiency is improved.

It should be noted that, the back plate assembly 20 generally includes a module middle frame 21 and a module back plate 22, the module middle frame 21 is fixed with the module back plate 22 by means of bonding, screws or buckles to form the back plate assembly 20, and an accommodating space 23 is formed at the inner side of the back plate assembly 20, that is, the back plate assembly 20 can be assembled into a whole in advance, so as to further optimize the operation process, reduce the assembly procedure, and improve the installation efficiency.

The display device provided by the embodiment of the disclosure has the following advantages:

(1) The back plate assembly is integrated by the module back plate and the module middle frame, components such as the lamp strip, the lamp plate and the reflecting sheet are fixed, the optical film group integrated by the diffusion plate and the multilayer film can be arranged in the accommodating space of the back plate assembly in a plug-in mode, the installation can be completed only by carrying out the plug-in step once, and meanwhile, the optical film group is fixed in the back plate assembly by utilizing the adhesive tape, so that the abrasion problem caused by the movement of the optical film group in the back plate assembly can be reduced.

(2) The optical film group can adopt an off-line advanced assembly installation and supply mode, so that the operation process can be optimized to the greatest extent, the assembly working procedures are reduced, and the production efficiency is improved.

(3) The optical film group is suitable for any installation scheme of the module middle frame and the module back plate, and can optimize the operation process and improve the production efficiency.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The above is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A display device, comprising:

A display panel configured to display an image;

The backlight module is arranged on the non-display surface of the display panel and comprises a back plate assembly and an optical film group, wherein the back plate assembly is provided with an accommodating space, and the optical film group is arranged in the accommodating space;

The optical film group comprises a diffusion plate and at least two films which are arranged in a stacked manner, wherein the at least two films comprise a first film and a second film;

Wherein the first membrane is closer to the display panel than the second membrane;

The edge of the first membrane exceeds the edges of the second membrane and the diffusion plate, and the first side and the second side of the optical membrane group are bent to form a first bending part, wherein the first side and the second side are two opposite sides of the optical membrane group;

The first end of the first bending part is fixed on the first side of the optical film group, and the second end of the first bending part is fixed on the second side of the optical film group.

2. The display device according to claim 1, wherein the first bending portion includes a first bending edge and a second bending edge;

The edge of the first diaphragm is bent towards the second diaphragm and the diffusion plate to form a first bent edge, the first bent edge is bent towards the central area of the diffusion plate to form a second bent edge, and the second bent edge is fixed with a side plate surface of the diffusion plate, which is opposite to the second diaphragm.

3. The display device according to claim 2, wherein a first seam line and a second seam line are formed on the first film sheet in parallel with each other, an edge of the first film sheet is folded along the first seam line to form the first bent edge, and the first bent edge is folded along the second seam line to form the second bent edge.

4. A display device according to claim 3, wherein a plurality of first notches are punched in the first film, the plurality of first notches are disposed between the first seam line and the second seam line at intervals, and two opposite side walls of the first notch are located on the same line with the first seam line and the second seam line, respectively.

5. The display device according to claim 1, wherein the at least two-layer film further includes a third film, the second film being closer to the display panel side than the third film;

The edge of the first membrane exceeds the edges of the second membrane, the third membrane and the diffusion plate, and the first bending part is formed by bending the first side of the optical membrane group to the second side.

6. The display device according to claim 5, wherein the first bending portion includes a first bending edge and a second bending edge;

The edge of the first diaphragm faces the second diaphragm, the third diaphragm and the diffusion plate are bent to form a first bent edge, the first bent edge is bent by the edge area of the diffusion plate to face the central area of the diffusion plate to form a second bent edge, and the second bent edge is fixed with a side plate surface of the diffusion plate, which faces away from the third diaphragm.

7. The display device of claim 5, wherein an edge of the second membrane exceeds an edge of the third membrane and the diffusion plate, the edge of the second membrane is bent towards the third membrane and the diffusion plate to form a second bent portion, and the second bent portion wraps at the edges of the third membrane and the diffusion plate;

Or the edge of the second diaphragm exceeds the third diaphragm, the edge of the second diaphragm is bent towards the third diaphragm to form a second bending part, and the second bending part wraps the edge of the third diaphragm and is fixed with the diffusion plate towards one side plate surface of the third diaphragm.

8. The display device according to claim 7, wherein the second bending portion includes a third bending edge and a fourth bending edge;

The edge of the second diaphragm is bent towards the third diaphragm and the diffusion plate to form a third bent edge, the third bent edge is bent from the edge area of the diffusion plate to the central area of the diffusion plate to form a fourth bent edge, and the fourth bent edge is fixed with a side plate surface of the diffusion plate, which is opposite to the third diaphragm;

Or the edge of the second diaphragm is bent towards the third diaphragm to form a third bent edge, the third bent edge is bent from the edge area of the third diaphragm towards the central area of the third diaphragm to form a fourth bent edge, and the fourth bent edge and the diffusion plate are fixed towards one side plate surface of the third diaphragm.

9. The display device according to claim 8, wherein a third seam line and a fourth seam line are formed on the second film sheet in parallel to each other, an edge of the second film sheet is folded along the third seam line to form the third folded edge, and the third folded edge is folded along the fourth seam line to form the fourth folded edge;

The second membrane is provided with a plurality of second gaps in a blanking mode, the second gaps are arranged between the third riding stitching line and the fourth riding stitching line at intervals, and two opposite side walls of the second gaps are respectively located on the same straight line with the third riding stitching line and the fourth riding stitching line.

10. A display device, comprising:

The optical film group comprises a diffusion plate and at least two films which are arranged in a laminated mode, wherein the at least two films comprise a first film and a second film, and the second film and the first film are sequentially laminated on the diffusion plate;

The edge of the first membrane exceeds the edges of the second membrane and the diffusion plate, and the first side and the second side of the optical membrane group are bent to form a first bending part, wherein the first side and the second side are two opposite sides of the optical membrane group;

The first end of the first bending part is fixed on the first side of the optical film group, and the second end of the first bending part is fixed on the second side of the optical film group;

The back plate assembly is provided with an accommodating space, and the optical film group is plugged in the accommodating space so as to realize the assembly of the optical film group and the back plate assembly to form a backlight module;

And the display panel is arranged on the backboard component, and the first diaphragm is close to the display panel side compared with the second diaphragm.