CN214042874U - Display module and display device - Google Patents

Abstract

The application relates to the technical field of display, and provides a display module and display equipment, and the display equipment comprises the display module. The display module assembly includes: a back plate; the optical diaphragm is arranged on the back plate; the middle frame is arranged on the back plate and is used for pressing the outer edges of the optical diaphragm; wherein, the center adopts extrusion molding technology shaping, and the center directly contacts butt with the optical diaphragm. This application is through passing through the extrusion molding technology shaping with the center for the center surface is smooth, can be directly with optical diaphragm contact butt, and it has not only reduced the risk that optical diaphragm is scratched, still need not to fill up glossy adhesive tape between center and optical diaphragm simultaneously, has practiced thrift the material cost and the assembly cost of adhesive tape. In addition, the cost of the extrusion molding die is far less than that of the injection molding die, so that the die cost of the middle frame is greatly reduced, and the die development time cost of the middle frame is also reduced.

Description

Display module and display device

Technical Field

The application belongs to the technical field of display, and more specifically relates to a display module and display equipment.

Background

The display module generally includes a back plate, an LED lamp, an optical film, a plastic frame, a display panel, a front frame, and the like, where the optical film is mounted on the back plate and is pressed and fixed by the plastic frame. Common plastic middle frames are generally formed by injection molding of Polycarbonate (PC) materials, have stable performance and can be made into various complex structures. However, the cost of the injection mold is high, only one or a few products can be injected in one cycle, and the later maintenance cost is high. In addition, the injection molding material is relatively rough and sharp, is not suitable for being in direct contact with the optical membrane, and generally needs to use a relatively smooth adhesive tape made of silica gel and other materials, so that the material cost and the assembly process are inevitably increased.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a display module assembly to solve the technical problem that the plastic center among the display module assembly adopts injection moulding to increase mould, material and assembly cost that exists among the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provide a display module assembly, include:

a back plate;

the optical diaphragm is arranged on the back plate;

the middle frame is arranged on the back plate and is used for pressing the outer edges of the optical membranes;

wherein, the center adopts the extrusion molding technology shaping, the center with optical diaphragm direct contact butt.

In a possible embodiment, the middle frame comprises:

the first frame body is connected with the back plate;

the second frame body extends towards the interior of the display module from one end, far away from the back plate, of the first frame body;

and one end of the second frame body, which is far away from the first frame body, is provided with an arc-shaped bulge, and the arc-shaped bulge is abutted to the optical diaphragm.

In a possible embodiment, the display module further includes:

the outer edges of the display panel are arranged on the middle frame;

the front frame is connected with the middle frame and covers the outer edges of the display panel;

wherein, the front frame is formed by adopting an extrusion molding process.

In a possible embodiment, a first buffer member is abutted between the display panel and the middle frame;

and a second buffer piece is connected between the display panel and the front frame in an abutting mode.

In a possible embodiment, a first limiting part for limiting the first buffer piece is formed on the middle frame;

and a second limiting part for limiting the second buffer piece is formed on the front frame.

In a possible embodiment, the middle frame is provided with a slot, and the front frame is provided with a cutting strip;

or, the middle frame is provided with a cutting, and the front frame is provided with a slot;

wherein, the cutting and the slot form the insertion fit.

In a possible embodiment, the middle frame extends to the front frame direction to form a third frame body;

the slot is formed in the third frame body and penetrates through the third frame body along the length direction of the third frame body;

the cutting is formed on the front frame, and the cutting extends along the length direction of the front frame.

In a possible embodiment, the slot has an opening penetrating through the third frame body and facing the front frame, and the slot includes a first slot portion and a second slot portion arranged in sequence from the opening to the inside; the inserting strip comprises a connecting part extending from the front frame to the third frame body and a stopping part formed on the connecting part; the connecting part is contained in the first groove part, and the stopping part is limited and contained in the second groove part.

In a possible embodiment, a surrounding plate extends from the outer edge of the front frame to the third frame, a notch is formed in a position of the third frame corresponding to the surrounding plate, and the surrounding plate is accommodated in the notch.

The application also provides a display device, which is characterized by comprising the display module.

The application provides a display module assembly's beneficial effect lies in: the display module assembly that this application embodiment provided, wherein the frame passes through the extrusion molding technology shaping to make the center surface smooth, can be directly with optics diaphragm contact butt, it has not only reduced the risk that optics diaphragm is scratched, still need not to fill up glossy adhesive tape between center and optics diaphragm simultaneously, also can practice thrift the material cost of adhesive tape promptly, and can practice thrift the assembly cost of adhesive tape. Meanwhile, the middle frame is formed by adopting an extrusion molding process, and the cost of an extrusion molding die is far less than that of an injection molding die, so that the die cost of the middle frame is greatly reduced, and the time cost of die research and development of the middle frame is also reduced. In addition, one set of extrusion molding mould can be applicable to the product of different sizes to the cost and the research and development cost of center die have further been reduced. The display equipment of this application is through the setting of above-mentioned display module assembly for this display equipment's cost of manufacture is low, and assembly efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic partial cross-sectional view of a display module according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the assembly of the middle frame and the front frame of FIG. 1;

FIG. 3 is a perspective view of the middle frame of FIG. 2;

FIG. 4 is a side schematic view of the middle frame of FIG. 3;

FIG. 5 is a perspective view of the front frame of FIG. 2;

fig. 6 is a side view of the front frame of fig. 5.

Wherein, in the figures, the respective reference numerals:

10. a back plate; 11. mounting a plate; 20. a middle frame; 21. a first frame body; 22. a second frame body; 221. an arc-shaped bulge; 222. a guide surface; 223. a first limiting part; 23. a third frame body; 231. a slot; 2310. an opening; 2311. a first groove portion; 2312. a second groove portion; 232. a notch; 30. a light guide plate; 40. an optical film; 50. a display panel; 60. a front frame; 61. a cover plate; 62. a second limiting part; 63. cutting; 631. a connecting portion; 632. a stopper portion; 64. enclosing plates; 70. a first buffer member; 80. a second buffer member; 90. a screw; 100. a first receiving groove; 110. a second receiving groove.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, a display module according to an embodiment of the present application will be described.

The display module comprises a back plate 10, an optical film 40 and a middle frame 20. The optical film 40 is provided on the back plate 10, and the middle frame 20 is mounted on the back plate 10 and serves to press respective outer edges of the optical film 40. Wherein, the middle frame 20 is formed by adopting an extrusion molding process, and the middle frame 20 is directly contacted and abutted with the optical diaphragm 40. It should be noted here that in the present application, the optical film 40 and the middle frame 20 are both square, and therefore the middle frame 20 is used for pressing the four outer edges of the optical film 40. In other embodiments of the present application, when the optical film 40 and the middle frame 20 are in other shapes, such as circular shapes, the middle frame 20 is used for pressing the outer edge of the optical film 40, and this is not limited herein.

The plastic extrusion molding is to heat plastic raw materials to be in a viscous flow state, to form a continuous body with a cross section similar to the shape of a die through an extrusion molding die under the action of pressurization, to cool and shape the continuous body into a glass state, and to obtain a plastic product with a certain geometric shape and size through cutting. Specifically, the extrusion die cost of the frame 20 of the present application is approximately 0.5 ten thousand RMB per cross-section (typically 1-2 cross-sections can complete a set of the frame 20), which greatly reduces the die cost compared to a conventional injection die cost of approximately 50 to 100 ten thousand RMB. Meanwhile, the manufacturing cycle of the extrusion die is less than half of that of the injection die, so that the time cost for developing the die is greatly saved. In addition, the extrusion die can be adapted to products of different sizes, i.e., one set of extrusion die can produce extrusion center frames 20 of multiple sizes, which the injection molding process cannot do.

The display module assembly in this embodiment, wherein frame 20 passes through the extrusion molding technology shaping to make center 20 surface smooth, can directly contact the butt with optics diaphragm 40, it has not only reduced optics diaphragm 40 by the risk of scratch, still need not to fill up smooth adhesive tape between center 20 and optics diaphragm 40 simultaneously, also can practice thrift the material cost of adhesive tape promptly, and can practice thrift the assembly cost of adhesive tape. Meanwhile, the middle frame 20 is formed by adopting an extrusion molding process, and the cost of an extrusion molding die is far less than that of an injection molding die, so that the die cost of the middle frame 20 is greatly reduced, and the die development time cost of the middle frame 20 is also reduced. In addition, one set of extrusion die can be applicable to the product of different sizes to the cost and the development cost of further having reduced center 20 mould.

Referring to fig. 1, the display module further includes an LED lamp and a light guide plate 30, the LED lamp is mounted on the back plate 10, and the light guide plate 30 is mounted on the back plate 10 and disposed on the light emitting side of the LED lamp. The display module can be a direct type display module or a side-in type display module, when the display module is a direct type display module, the LED lamp is mounted on the back plate 10 and is located below the light guide plate 30, and the optical film 40 is stacked above the light guide plate 30; in the case of a side-in display module, the LED lamp is mounted on the back plate 10 and located on the side surface of the light guide plate 30, and the optical film 40 is stacked above the light guide plate 30.

Each outer edge of the back plate 10 is horizontally extended outward with a mounting plate 11, each outer edge of the light guide plate 30 is stacked on the mounting plate 11, the optical film 40 is stacked on the light guide plate 30, and the middle frame 20 is mounted on the mounting plate 11 and pressed against each outer edge of the optical film 40.

In an embodiment, referring to fig. 1, the middle frame 20 includes a first frame 21 and a second frame 22, the first frame 21 is connected to the back plate 10, the second frame 22 extends horizontally from one end of the first frame 21 away from the back plate 10 to the inside of the display module, a first receiving slot 100 is formed by the first frame 21, the second frame 22 and the back plate 10, and each outer edge of the optical film 40 is received in the first receiving slot 100. An arc-shaped protrusion 221 is disposed at an end of the second frame 22 away from the first frame 21, and the arc-shaped protrusion 221 abuts against the optical film 40, that is, the optical film 40 is pressed and fixed by the arc-shaped protrusion 221.

This application is through the setting of arc protrusion 221 for the face of center 20 and optical film 40 looks butt is the arcwall face, and the arcwall face is smooth, thereby the biggest reduction center 20 scratch risk to optical film 40. In addition, the arc-shaped protrusion 221 is disposed on the second frame 22, and only one end of the second frame 22 is connected to the first frame 21, that is, the second frame 22 is a suspension, and the second frame 22 has good plastic deformation capability, so that the arc-shaped protrusion 221 located at one end of the second frame 22 away from the first frame 21 is elastically abutted against the optical film 40, which not only can firmly press the optical film 40, but also can reduce the risk of scratching the optical film 40.

Specifically, referring to fig. 1, the first frame 21 extends vertically upward from the back plate 10, that is, vertically upward from the mounting plate 11, the second frame 22 extends horizontally from the first frame 21, and the second frame 22 is disposed parallel to and opposite to the mounting plate 11. The length extending direction of the first frame 21 and the length extending direction of the second frame 22 are both the same as the extruding direction of the whole middle frame 20, that is, the first frame 21 and the second frame 22 with different length and size can be realized by cutting, and the middle frames 20 with different size can be realized.

Referring to fig. 2 to 4, a guide surface 222 is further formed at an end of the second frame 22 away from the first frame 21, the guide surface 222 is located at an opening of the first receiving groove 100, and the guide surface 222 is inclined so that the opening of the first receiving groove 100 is gradually enlarged from inside to outside, thereby facilitating to guide the edge of the optical film 40 to be inserted into the first receiving groove 100. Wherein one side of the arc-shaped protrusion 221 is smoothly connected with the guide surface 222.

In an embodiment, referring to fig. 1, the display module further includes a display panel 50 and a front frame 60. The outer edges of the display panel 50 are disposed on the middle frame 20, and the front frame 60 is connected to the middle frame 20 and covers the outer edges of the display panel 50. Specifically, the outer edges of the display panel 50 are provided on the second housing 22, and the front frame 60 is connected to the second housing 22 or the first housing 21. Wherein the front frame 60 is formed using an extrusion process. Similarly, by forming the front frame 60 by an extrusion molding process, the mold cost of the front frame 60 is greatly reduced, and the mold development time cost of the front frame 60 is also reduced compared to the conventional front frame 60 formed by injection molding. In addition, one set of extrusion die can be suitable for front frame 60 of different sizes to further reduce the cost and the research and development time cost of front frame 60 mould.

In an embodiment, referring to fig. 1, a first buffer 70 is abutted between the display panel 50 and the middle frame 20; a second buffer 80 is abutted between the display panel 50 and the front frame 60. This application is through arranging display panel 50 in between extrusion molding's center 20 and extrusion molding's preceding frame 60 to cushion through first bolster 70 and second bolster 80, and first bolster 70 and second bolster 80 are flexible material, thereby avoid display panel 50 and hard material collision, improved display panel 50's life. Meanwhile, the first buffer member 70 and the second buffer member 80 are arranged, so that the display panel 50 is elastically abutted against the middle frame 20 and the front frame 60, and the display panel 50 is more firmly and stably mounted.

In an embodiment, referring to fig. 2 to 6, a first limiting portion 223 is formed on the middle frame 20, and the first limiting portion 223 is used for limiting the first buffer 70; the front frame 60 is formed with a second limiting portion 62, and the second limiting portion 62 is used for limiting the second buffer 80. The first limiting portion 223 and the second limiting portion 62 are arranged, so that the first buffer member 70 and the second buffer member 80 cannot be in a position-crossing state when the display panel 50 is installed and the display module is used.

The first and second bumpers 70, 80 are each a bead of flexible material. The first limiting portion 223 is a groove formed in the second frame 22, the groove penetrates through the second frame 22 along the length direction of the second frame 22, the width of the groove is larger than the width of the first buffer 70, at least a part of the first buffer 70 is accommodated in the groove, so that the first buffer 70 is limited along the width direction by the groove, and the groove extends along the extrusion direction of the middle frame 20, so that the extrusion molding of the middle frame 20 is facilitated, and the assembly of the first buffer 70 is also facilitated. The width direction of the groove is the left-right direction in fig. 4, and the width direction of the first cushion member 70 is the left-right direction in fig. 1.

In addition, in order to prevent the first buffer member 70 from moving, one side of the first buffer member 70 may be attached to one sidewall of the groove by means of adhesion. It should be understood that, in other embodiments of the present application, the first limiting portion 223 may be of other types, for example, a bump formed on the second frame 22, which is not limited herein.

The second stopper 62 is a baffle extending from the front frame 60 toward the display panel 50, and prevents the second cushion 80 from being pulled out. Similarly, in order to prevent the second cushion member 80 from moving, one side of the second cushion member 80 may be attached to the front frame 60 by means of an adhesive. It is understood that in other embodiments of the present application, the second position-limiting portion 62 may be of other types, such as a groove formed on the front frame 60, which is not limited herein.

In an embodiment, referring to fig. 2, a slot 231 is formed on the middle frame 20, and a plug 63 is formed on the front frame 60, wherein the plug 63 and the slot 231 are inserted and matched to connect the middle frame 20 and the front frame 60. This application forms being connected of center 20 and preceding frame 60 through the cooperation of pegging graft of cutting 63 and slot 231 to can remove the material cost and the assembly process of fasteners such as screw, improve the packaging efficiency, be favorable to improving display module's productivity. It should be understood that, in other embodiments of the present application, according to actual design conditions and specific requirements, the inserting bar 63 may be formed on the middle frame 20, then the inserting groove 231 is formed on the front frame 60, and finally the inserting bar 63 on the middle frame 20 is in inserting fit with the inserting groove 231 on the front frame 60, which is not limited herein.

In a specific embodiment, referring to fig. 1 and fig. 2, the third frame 23 extends from the middle frame 20 to the front frame 60, specifically, the third frame 23 extends from the second frame 22 to the front frame 60, the length extending directions of the first frame 21, the second frame 22 and the third frame 23 are the same, and are the extrusion directions of the middle frame 20, and the two ends of the first frame 21, the second frame 22 and the third frame 23 are aligned along the length direction, so that the structural design of the first frame 21, the second frame 22 and the third frame 23 is beneficial to the extrusion molding of the whole middle frame 20, and the structure is simple, and the middle frames 20 with different length sizes can be cut according to the requirement, so as to be suitable for display modules with different sizes.

Referring to fig. 1, a second receiving groove 110 is defined by the second frame 22, the third frame 23 and the front frame 60, and each outer edge of the display panel 50 is received in the second receiving groove 110.

Referring to fig. 2, the slot 231 is formed on the third frame 23, and the slot 231 penetrates through the third frame 23 along the length direction of the third frame 23; the insert 63 is formed on the front frame 60, and the insert 63 extends along a length direction of the front frame 60, wherein the length direction of the front frame 60 is the same as the length direction of the middle frame 20. The slot 231 and the inserting bar 63 extend along the length direction of the third frame body 23 and the front frame 60 respectively, and the length direction of the front frame 60 is the same as the length direction of the third frame body 23, so that the inserting bar 63 and the slot 231 are convenient to insert, and the inserting bar 63 is directly inserted into the slot 231 along the length direction from one end of the slot 231 in the length direction, so that the assembly is convenient. Meanwhile, the design of the slot 231 and the insert 63 is also beneficial to the extrusion molding of the middle frame 20 and the front frame 60.

In an embodiment, referring to fig. 3 to 6, the slot 231 has an opening 2310 penetrating through the third frame 23 and facing the front frame 60, the slot 231 includes a first slot 2311 and a second slot 2312, the first slot 2311 and the second slot 2312 are sequentially disposed from the opening 2310 to the inside of the third frame 23, and the first slot 2311 and the second slot 2312 are communicated with each other. The insert 63 includes a connecting portion 631 and a stopper portion 632, the connecting portion 631 extends from the front frame 60 toward the third frame 23, and the stopper portion 632 is formed at an end of the connecting portion 631 away from the front frame 60. When the inserting bar 63 is inserted into the slot 231 along the length direction of the slot 231 during installation, the connecting portion 631 is received in the first slot portion 2311, and the stopping portion 632 is limited and received in the second slot portion 2312. This application will be spacing in the design of second slot portion 2312 through second slot portion 2312 for cutting 63 and slot 231 firm in connection, and then make center 20 and preceding frame 60 firm in connection.

The first groove portion 2311 and the second groove portion 2312 are in communication with each other in the vertical direction in fig. 4. The inner walls of the first groove portion 2311 on both sides in the width direction are inclined surfaces, the width of the first groove portion 2311 is gradually reduced from the opening 2310 to the second groove portion 2312, the cross section of the second groove portion 2312 is square, and the width of the second groove portion 2312 is smaller than the maximum width of the first groove portion 2311 and larger than the minimum width of the first groove portion 2311. Referring to fig. 6, both sides of the connecting portion 631 in the width direction are inclined surfaces, the width of the connecting portion 631 gradually decreases from the front frame 60 to the middle frame 20, the cross section of the stopping portion 632 is disposed in a trapezoid shape, the width center line of the stopping portion 632 coincides with the width center line of the connecting portion 631, the width of the stopping portion 632 gradually decreases from the connecting portion 631 to a direction away from the connecting portion 631, the width of the end of the stopping portion 632 connected to the connecting portion 631 is smaller than the maximum width of the connecting portion 631 and larger than the minimum width of the connecting portion 631, and the width of the end of the stopping portion 632 departing from the connecting portion 631 is equal to the minimum width of the first groove portion 2311. The connecting portion 631 is made to have elasticity by designing the connecting portion 631 to have a wedge shape, so that the stopper portion 632 can be conveniently inserted into the second groove portion 2312, and even if the second groove portion 2312 is made to have a slight deviation in the width direction, the stopper portion 632 can be inserted into the second insertion groove 231. The structure of the stopping portion 632 is designed such that the stopping portion 632 can stop in the second groove portion 2312.

Here, the width directions of the first groove 2311 and the second groove 2312 are the left-right direction in fig. 4, and the width directions of the connecting portion 631 and the stopper 632 are the left-right direction in fig. 6.

In an embodiment, referring to fig. 2, a surrounding plate 64 extends from an outer edge of the front frame 60 to the third frame 23, a notch 232 is formed at a position of the third frame 23 corresponding to the surrounding plate 64, and the surrounding plate 64 is received in the notch 232.

Specifically, referring to fig. 2 to 6, the front frame 60 includes a cover plate 61, a baffle plate, an insert 63, and a surrounding plate 64, a length extending direction of the cover plate 61 is the same as a length extending direction of the second frame 22, the cover plate 61 and the second frame 22 are spaced and arranged in parallel, the baffle plate, the insert 63, and the surrounding plate 64 all extend from one side of the cover plate 61 facing the second frame 22 to the second frame 22, the baffle plate, the insert 63, and the surrounding plate 64 are arranged in sequence from inside to outside, the baffle plate is located at an inner edge of the cover plate 61, and the surrounding plate 64 is located at an outer edge of the cover plate 61. A notch 232 is formed in the outer edge of the third frame 23, and when the third frame is attached, the insert 63 is inserted into the insertion groove 231, and the surrounding plate 64 is enclosed in the notch 232, thereby covering the outer edge of the middle frame 20.

In an embodiment, referring to fig. 1, the middle frame 20 and the back plate 10 are locked by screws 90. Screw holes are formed in the middle frame 20 and the back plate 10, and the screws 90 sequentially penetrate through the middle frame 20 and the back plate 10 and are locked. It should be understood that, in other embodiments of the present application, the middle frame 20 and the back plate 10 may be mounted in other manners, such as clamping, adhering, etc., which are not limited herein.

The application also provides a display device which comprises the display module. The display equipment of this application is through the setting of above-mentioned display module assembly for this display equipment's cost of manufacture is low, and assembly efficiency is high.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A display module, comprising:

a back plate;

the optical diaphragm is arranged on the back plate;

the middle frame is arranged on the back plate and is used for pressing the outer edges of the optical membranes;

wherein, the center adopts the extrusion molding technology shaping, the center with optical diaphragm direct contact butt.

2. The display module of claim 1, wherein the middle frame comprises:

the first frame body is connected with the back plate;

the second frame body extends towards the interior of the display module from one end, far away from the back plate, of the first frame body;

and one end of the second frame body, which is far away from the first frame body, is provided with an arc-shaped bulge, and the arc-shaped bulge is abutted to the optical diaphragm.

3. The display module of claim 1, wherein the display module further comprises:

the outer edges of the display panel are arranged on the middle frame;

the front frame is connected with the middle frame and covers the outer edges of the display panel;

wherein, the front frame is formed by adopting an extrusion molding process.

4. The display module as claimed in claim 3, wherein a first buffer member is abutted between the display panel and the middle frame;

and a second buffer piece is connected between the display panel and the front frame in an abutting mode.

5. The display module according to claim 4, wherein a first position-limiting portion for limiting the first buffer member is formed on the middle frame;

and a second limiting part for limiting the second buffer piece is formed on the front frame.

6. The display module as claimed in claim 3, wherein the middle frame is formed with a slot, and the front frame is formed with a strip;

or, the middle frame is provided with a cutting, and the front frame is provided with a slot;

wherein, the cutting and the slot form the insertion fit.

7. The display module as claimed in claim 6, wherein the middle frame extends a third frame body towards the front frame;

the slot is formed in the third frame body and penetrates through the third frame body along the length direction of the third frame body;

the cutting is formed on the front frame, and the cutting extends along the length direction of the front frame.

8. The display module as claimed in claim 7, wherein the slot has an opening penetrating through the third frame body and facing the front frame, and the slot includes a first slot portion and a second slot portion sequentially disposed inward from the opening; the inserting strip comprises a connecting part extending from the front frame to the third frame body and a stopping part formed on the connecting part; the connecting part is contained in the first groove part, and the stopping part is limited and contained in the second groove part.

9. The display module according to claim 7, wherein a baffle extends from an outer edge of the front frame to the third frame, and a notch is formed in a position of the third frame corresponding to the baffle, and the baffle is received in the notch.

10. Display device, characterized in that it comprises a display module according to any one of claims 1 to 9.

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