CN109884815B

CN109884815B - Display device

Info

Publication number: CN109884815B
Application number: CN201910244753.XA
Authority: CN
Inventors: 李海鹰; 王玉年; 陈伟雄; 王学敏
Original assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Current assignee: Shenzhen Skyworth RGB Electronics Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2022-02-11
Anticipated expiration: 2039-03-28
Also published as: CN109884815A

Abstract

The invention relates to the technical field of displays, and discloses a display device, which comprises: the optical film comprises a back plate, an optical film, a cladding piece and liquid crystal glass, wherein the upper side and the left side and the right side of the back plate are bent forwards to form side frames, and flanges are inwards arranged on the side frames; the cross section of the cladding piece is U-shaped, the cladding piece is wrapped around the optical membrane, and the cladding piece is clamped between the end face of the flanging and the back plate; the liquid crystal glass is attached to the front side of the cladding piece, and the upper side, the left side and the right side of the liquid crystal glass are both attached to the flanging. The turn-ups that this display device frame inwards set up plays the effect of face-piece, need not to set up the face-piece specially, and the module need not the fix with screw, and turn-ups and frame are all thinner moreover, have reached the narrow limit effect. After being installed, the liquid crystal glass is lapped on the flanging, the effect is equal to that of the frameless design, and the visual effect is good. The cladding piece can wrap and fix the optical diaphragm and can be used as a carrier for fixing the liquid crystal glass, and the cladding piece replaces the original middle frame structure, so that the structure is simpler.

Description

Display device

Technical Field

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

Background

Along with the development of social economy and science and technology, people pay more and more attention to entertainment consumption. The flat-panel television is one of favorite entertainment consumer goods, consumers, especially some female consumers, pay more attention to the appearance structure of the television, and the thinner the television is, the higher the popularity is. At present, a television front shell, a television back shell and a liquid crystal module have the following structural expressions: 1. the liquid crystal module is wrapped by the front shell and the rear shell of the television, so that the television is thick and heavy due to repeated wrapping, and the television is complex to install, time-consuming and labor-consuming. 2. The module back plate is used as a television back shell, the back plate is fixed on a television front shell through screws, the module inner frame is pressed between the back plate and the face frame, and the module inner frame needs to penetrate through the screws, so that the face width is large, and the narrow side effect cannot be formed. 3. The module backboard is used as a television rear shell and directly adopts a buckling and hooking mode, the surface shell is a convex buckle, the backboard is a hardware through hole buckle, the surface shell is easily glued, buckled and broken, and the whole surface shell is scrapped after the surface shell is buckled and broken, so that the cost is high, and the assembly efficiency is low.

Therefore, a display device is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a display device, wherein a frame of the display device is inwards provided with a flanging to play a role of a face shell, the face shell is not required to be specially arranged, a module is not required to be fixed by screws, and the display device has the characteristic of simple structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

provided is a display device including:

the upper side and the left and right sides of the back plate are bent forwards to form a frame, and the frame is provided with flanges inwards;

the optical diaphragm and the cladding piece, the cross section of the cladding piece is U-shaped, the cladding piece is wrapped around the optical diaphragm, and the cladding piece is clamped between the end face of the flanging and the back plate;

the liquid crystal glass is attached to the front side of the wrapping piece, and the upper side, the left side and the right side of the liquid crystal glass are both attached to the flanging.

Preferably, the back plate is of a stepped structure and comprises a first stepped surface and a second stepped surface, the first stepped surface is located around the second stepped surface and in front of the second stepped surface, and the back surface of the covering piece is bonded to the first stepped surface.

Preferably, the wrapping piece comprises an upper U-shaped strip, a left U-shaped strip, a right U-shaped strip and a lower U-shaped strip;

the upper U-shaped strip is wrapped on the top edge of the optical diaphragm and is adhered to the first step surface at the top edge of the back plate;

the left U-shaped strip is wrapped on the left side of the optical diaphragm and is adhered to a first step surface on the left side of the back plate;

the right U-shaped strip is wrapped on the right side of the optical diaphragm and is adhered to the first step surface on the right side of the back plate;

the lower U-shaped strip is wrapped on the bottom edge of the optical diaphragm and is adhered to the first step surface at the bottom edge of the back plate.

Preferably, the material of the cladding is PE or TPV.

Preferably, the liquid crystal display panel further comprises a decorative strip, wherein the decorative strip is arranged below the liquid crystal glass, a supporting plate is arranged on the decorative strip, and the supporting plate is configured to support the cladding piece.

Preferably, the decorative strip further comprises a rear shell, the front side of the rear shell is connected to the back plate, and the bottom end of the rear shell is connected to the decorative strip.

Preferably, the liquid crystal display panel further comprises a core board, the core board is fixed on the back plate or the rear shell, and the core board is electrically connected with the liquid crystal glass and the optical film.

Preferably, the decorative strip further comprises a loudspeaker, wherein the loudspeaker is mounted on the decorative strip and electrically connected to the core board.

Preferably, a connecting plate is arranged at the bottom of the decorative strip, the connecting plate is fixedly connected to the bottom plate of the rear shell, and a sound outlet is formed in the connecting plate. And the bottom plate is provided with a sound outlet matched with the sound outlet.

Preferably, the two ends of the decorative strip are provided with protruding bone positions, and the rear shell is provided with a notch matched with the protruding bone positions.

The invention has the beneficial effects that: the turn-ups that this display device frame inwards set up plays the effect of face-piece, need not to set up the face-piece specially, and the module need not the fix with screw, simple structure, and turn-ups and frame are all thinner moreover, have reached the narrow limit effect. After being installed, the liquid crystal glass is lapped on the flanging, the effect is equal to that of the frameless design, and the visual effect is good. The cladding piece can wrap and fix the optical diaphragm and can be used as a carrier for fixing the liquid crystal glass, and the cladding piece replaces the original middle frame structure, so that the structure is simpler.

Drawings

FIG. 1 is an exploded view of a display device according to the present invention;

FIG. 2 is a cross-sectional view of a display device provided by the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged partial view at B in FIG. 2;

FIG. 5 is a schematic view of a back plate according to the present invention;

FIG. 6 is a schematic structural view of a covering provided by the present invention;

FIG. 7 is a schematic structural view of a cover and a backing plate provided by the present invention;

fig. 8 is a schematic structural view of the decorative strip provided by the present invention;

FIG. 9 is a schematic structural view of a rear housing provided in the present invention;

fig. 10 is a schematic structural diagram of another view angle of the back plate provided by the present invention.

In the figure: 1. a back plate; 11. a frame; 12. flanging; 13. a first step surface; 14. a second step surface; 15. a back panel post; 16. hanging wall columns;

2. a covering member; 21. arranging a U-shaped strip; 211. a U-shaped groove; 22. a left U-shaped strip; 23. a right U-shaped strip; 24. a lower U-shaped strip;

3. liquid crystal glass; 4. an optical film;

5. decorating strips; 51. a front side plate; 52. a support plate; 53. a connecting plate; 531. a sound outlet; 532. projecting the bone site; 54. mounting a column; 55. an end plate;

6. a rear housing; 61. a rear side plate; 611. a rear shell post; 612. a third through hole; 62. a base plate; 621. a sound outlet hole; 622. a first through hole; 63. a notch;

7. a core board; 8. a base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

At present, a television front shell, a rear shell and a liquid crystal module have the following structural expression: the liquid crystal module is wrapped by the front shell and the rear shell of the television, so that the television is thick and heavy due to repeated wrapping, and the television is complex to install, time-consuming and labor-consuming. 2, the module back plate is used as a television back shell, the back plate is fixed on a television front shell by screws, the module inner frame is pressed between the back plate and the face frame, the screws are required to penetrate through the module inner frame, the width of the face width is large, and the narrow side effect cannot be formed. 3, the module backplate is used as the TV set backshell, directly adopts the buckle mode of colluding, because the face-piece is protruding to detain, the backplate is five metals through-hole to detain, causes the face-piece rubberizing to detain very easily and breaks off, detains on the face-piece and breaks off the back, and whole face-piece has just been scrapped, and is with high costs, and the packaging efficiency is low moreover.

To solve the above technical problem, as shown in fig. 1 to 3, the present embodiment discloses a display device, which includes a back plate 1, an optical film 4, a covering member 2, and a liquid crystal glass 3. The upper side and the left and right sides of the back plate 1 are bent forwards to form a frame 11, the frame 11 is provided with a flange 12 inwards, and the thickness of the frame 11 is 1.0-1.2 mm. The cross section of the cladding piece 2 is U-shaped, the cladding piece 2 is wrapped around the optical membrane 4, and the cladding piece 2 is clamped between the end face of the flanging 12 and the back plate 1. The liquid crystal glass 3 is adhered to the front side surface of the covering member 2, and the upper side and the left and right sides of the liquid crystal glass 3 are both adhered to the flanges 12.

The turn-ups 12 that this display device frame 11 inwards set up plays the effect of face-piece, need not to set up the face-piece specially, and the module need not the fix with screw, simple structure, and turn-ups 12 and frame 11 are all thinner moreover, have reached the narrow limit effect. The liquid crystal glass 3 is lapped on the flanging 12 after being installed, the effect is equal to that of the design without the frame 11, and the visual effect is good. The cladding piece 2 can be used for cladding and fixing the optical diaphragm 4 and can also be used as a carrier for fixing the liquid crystal glass 3, and the cladding piece 2 replaces the original middle frame structure, so that the structure is simpler.

Specifically, as shown in fig. 2 to 5, the back plate 1 has a stepped structure, and includes a first stepped surface 13 and a second stepped surface 14, the first stepped surface 13 is located around the second stepped surface 14 and in front of the second stepped surface 14, and the back surface of the covering member 2 is adhered to the first stepped surface 13. The second step surface 14 is protruded backward, which facilitates the installation and fixation of other parts of the display device without affecting the optical film 4. The back plate 1 serves as both a module back plate and a face shell of the display device.

The backboard 1 can be made of metal and processed by processes of stamping, stretching, bending, shearing, spraying and the like, or can be made of plastic and processed by processes of injection molding, plastic suction and the like. The material of the back plate 1 in this embodiment is metal, and round corners are formed between the adjacent frames 11 on both sides.

The turn-ups 12 and the frame 11 are arranged at intervals and can be tightly attached to each other, the structure of the cladding part 2 is determined, if the front side surface of the cladding part 2 needs to be hooked by a gap between the turn-ups 12 and the frame 11, the turn-ups 12 and the frame 11 are arranged at intervals, a gap is reserved, and if the cladding part 2 does not need to be hooked, the turn-ups 12 and the frame 11 are extruded into a whole without the gap. The turned-over edge 12 and the frame 11 in the embodiment are arranged at intervals, and the gap is 0.0-0.15 mm.

As shown in fig. 6 and 7, the covering member 2 is made of a soft rubber material, preferably TPV or PE in this embodiment, and has a soft material, glass is not easily scratched, and the covering member can be molded by extrusion molding or injection molding, and has a simple process and low cost. The cladding 2 comprises four parts, specifically an upper U-shaped strip 21, a lower U-shaped strip 24, a left U-shaped strip 22 and a right U-shaped strip 23. Preferably, the upper U-shaped strip 21, the left U-shaped strip 22 and the right U-shaped strip 23 may be integrally formed in this embodiment, or may be separately formed in other embodiments. The upper U-shaped strip 21 is wrapped on the top edge of the optical film 4, adhered to the first step surface 13 on the top edge of the back plate 1, clamped between the turned-over edge 12 and the first step surface 13, and the top surface of the upper U-shaped strip 21 is adhered to the inner side of the top edge of the frame 11. The left U-shaped strip 22 covers the left side of the optical film 4, is adhered to the first step surface 13 on the left side of the back plate 1, and is clamped between the flange 12 and the first step surface 13, and the left side surface of the left U-shaped strip 22 is adhered to the inner side of the left side of the frame 11. The right U-shaped strip 23 is wrapped on the right side of the optical diaphragm 4, is adhered to the first step surface 13 on the right side of the back plate 1, is clamped between the flanging 12 and the first step surface 13, and the right side surface of the right U-shaped strip 23 is adhered to the inner side of the top edge of the frame 11. The lower U-shaped strip 24 is wrapped on the bottom edge of the optical film 4, adhered to the first step surface 13 on the bottom edge of the back plate 1, and clamped between the turned edge 12 and the first step surface 13.

During assembly, the upper U-shaped strip 21, the left U-shaped strip 22 and the right U-shaped strip 23 are firstly bonded on the first step surface 13, then the optical diaphragm 4 is clamped in the U-shaped grooves 211 of the upper U-shaped strip 21, the left U-shaped strip 22 and the right U-shaped strip 23, then the lower U-shaped strip 24 is buckled at the bottom edge of the optical diaphragm 4, and the lower U-shaped strip 24 is bonded on the first step surface 13 at the bottom edge of the back plate 1.

Alternatively, as shown in fig. 1, 4 and 8, the display device further includes a decorative strip 5, a rear case 6, a speaker and a core board 7, the decorative strip 5 is disposed below the liquid crystal glass 3, an upper half portion of a front side plate 51 of the decorative strip 5 is disposed on a support plate 52 perpendicular to the front side plate 51, a lower surface of the lower U-shaped strip 24 abuts against an upper surface of the support plate 52, and the support plate 52 can function to support the covering member 2 and the optical film 4. A small part of the bottom end of the liquid crystal glass 3 can be shielded by the front side plate 51 of the decorative strip 5, a certain gap exists between the bottom end of the liquid crystal glass 3 and the supporting plate 52, the gap cannot be pressed against the upper surface of the supporting plate 52, and the front side surface of the decorative strip 5 is connected to a module PCB of the liquid crystal glass 3, so that the display device is more attractive.

The connecting plate 53 of the decorative strip 5 is of a step-shaped structure, two ends of the connecting plate are arranged in a downward protruding mode to form protruding bone positions 532, and the protruding bone positions 532 are convenient to assemble with the rear shell 6. The bottom of the decorative strip 5 is provided with a connecting plate 53, the supporting plate 52 and the front side plate 51 are arranged in a flush mode, end plates 55 are arranged at two ends of the decorative strip 5, the end plates 55 are connected among the supporting plate 52, the connecting plate 53 and the front side plate 51, the outer side face of each end plate 55 is arranged in a flush mode with the end portion of the front side plate 51, and the end plates 55 are not arranged above the supporting plate 52. When the decorative strip 5 is installed below the back panel 1, the frames 11 on the two sides abut against the support plate 52, the outer side surfaces of the frames 11 are flush with the outer side surfaces of the end plates 55, and the decorative strip 5 also plays a role in supporting the back panel 1. The mounting column 54 is arranged on the inner side of the front side plate 51 of the decorative strip 5, the mounting column 54 is positioned below the supporting plate 52, the loudspeaker is mounted on the mounting column 54, the loudspeaker is electrically connected with the core plate 7, the core plate 7 can transmit sound signals to the loudspeaker, and the loudspeaker can make sound.

As shown in fig. 4 and 9, the front side of the rear shell 6 is connected to the back plate 1, the bottom end of the rear shell 6 is connected to the decorative strip 5, specifically, the connecting plate 53 is fixedly connected to the bottom plate 62 of the rear shell 6, the connecting plate 53 is provided with a plurality of first threaded holes, the bottom plate 62 is correspondingly provided with a plurality of first through holes 622, and the two are fixedly connected by screws passing through the first through holes 622 and screwed into the first threaded holes. The connecting plate 53 is provided with a sound outlet 531 or a sound outlet 621, and the bottom plate 62 is also provided with a sound outlet 531 or a sound outlet 621. In this embodiment, two sound outlets 531 matched with the two speakers are provided on the connecting plate 53, two sound holes 621 are provided on the bottom plate 62, and the two sound holes 621 are provided in an area matched with the shape and size of the sound outlets 531.

The two ends of the bottom of the rear shell 6 are provided with notches 63, the notches 63 are matched with the protruded bone positions 532 and part of the end plates 55 of the decorative strips 5, after the rear shell 6 is buckled on the back plate 1, the protruded bone positions 532 and part of the end plates 55 are buckled with the notches 63, so that the position of the rear shell 6 is limited, and the rear shell 6 is conveniently fixed on the back plate 1 and fixedly connected with the rear shell 6 and the decorative strips 5.

As shown in fig. 4, 9 and 10, the core board 7 is preferably fixed inside the rear case 6 in the present embodiment, and the core board 7 may be fixed to the back plate 1 in other embodiments. The core board 7 is electrically connected with the optical diaphragm 4 and the module PCB, a plurality of back board columns 15 are arranged on the back surface of the second step surface 14 of the back board 1, inner nuts are preset on the back board columns 15, back shell columns 611 matched with the back board columns 15 are arranged on the back side board 61 of the back shell 6, second through holes are formed in the back shell columns 611, and screws penetrate through the inner nuts of the second through holes screwed on the back board columns 15 to fixedly connect the back shell 6 with the back board 1. Four wall-hanging pillars 16 are further arranged on the back surface of the second step surface 14, third through holes 632 matched with the wall-hanging pillars 16 are formed in the rear side plate 61 of the rear shell 6, the wall-hanging pillars 16 penetrate through the third through holes 632 and are exposed out of the rear side plate 61 of the rear shell 6, and internal nuts are preset on the wall-hanging pillars 16, so that the display device can be conveniently fixed on a wall.

Need not be fixed in the wall with display device on, but when placing on the desk, this display device's bottom is connected with base 8, be provided with on the base 8 with the connecting plate 53 on first screw hole assorted fourth through-hole, during unable adjustment base 8, the screw of connecting backshell 6 bottom plate 62 and connecting plate 53 is dismantled earlier, then the screw passes the fourth through-hole of base 8 and the second through-hole on the bottom plate 62 and connects the first screw hole on connecting plate 53 to with the base 8 preliminary be fixed in the bottom of backshell 6. Still be provided with the third screw hole on backshell 6, be provided with the fourth through-hole on base 8, the screw passes fourth through-hole spiro union in third screw hole, realizes being fixed in the bottom of backshell 6 with base 8. When the base 8 is not needed, the screws are removed, the base 8 is removed, and then the bottom plate 62 of the rear shell 6 and the connecting plate 53 of the decorative strip 5 are fixed by the screws.

The display device assembling process comprises the following steps:

1. double-sided adhesive tape may be adhered to three sides of the covering member 2 and then adhered to the back sheet 1, and in this embodiment, the double-sided adhesive tape is preferably adhered to the front side and the back side of the covering member 2. Firstly, the back surfaces of the upper U-shaped strip 21, the left U-shaped strip 22 and the right U-shaped strip 23 are glued.

2. The upper U-shaped strip 21, the left U-shaped strip 22, and the right U-shaped strip 23 are bonded to the first step surface 13, as shown in fig. 7, and then the optical film 4 is pushed into the U-shaped grooves 211 of the left U-shaped strip 22 and the right U-shaped strip 23, so that the top edge of the optical film 4 is clamped in the U-shaped groove 211 of the upper U-shaped strip 21. The hanging hook type and the pressing type in the past are changed, the effect of preventing falling is achieved, and the structure is simple, safe, convenient to install and disassemble.

3. And then adhering a double-sided adhesive tape to the rear side surface of the lower U-shaped strip 24, clamping the lower U-shaped strip 24 to the bottom edge of the optical film 4, and adhering the lower U-shaped strip 24 to the first step surface 13.

4. Double-sided tape is adhered to the front side surfaces of the upper U-shaped strip 21, the left U-shaped strip 22, the right U-shaped strip 23 and the lower U-shaped strip 24, and the liquid crystal glass 3 is adhered to the front side surfaces of the upper U-shaped strip 21, the left U-shaped strip 22, the right U-shaped strip 23 and the lower U-shaped strip 24.

5. The speaker is mounted on the trim strip 5, the support plate 52 is then glued to the underside of the lower U-shaped strip 24, and the module is then placed on a horizontal table.

6. The core board 7 is installed in the back shell 6, then the back shell 6 is buckled on the back plate 1, the wall-hanging pillars 16 are exposed out of the back side board 61 of the back shell 6, and the back side board 61 of the back shell 6 and the back plate 1 are fixedly connected by screws.

7. The bottom plate 62 of the rear case 6 and the connecting plate 53 of the decorative plate are connected and fixed from the bottom.

8. If the installation is needed, the screws for connecting the bottom plate 62 and the connecting plate 53 are removed, and the base 8 is fixed on the bottom plate 62 of the rear shell 6 by using the screws; if the base 8 is not required, the wall-mount post 16 is connected to a wall-mount to secure the display device to a wall.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A display device, comprising:

the upper side and the left and right sides of the back plate (1) are bent forwards to form a frame (11), and the frame (11) is internally provided with a flanging (12);

the optical film comprises an optical film (4) and a coating piece (2), wherein the cross section of the coating piece (2) is U-shaped, the coating piece (2) is coated on the periphery of the optical film (4), and the coating piece (2) is clamped between the end face of the flanging (12) and the back plate (1);

the liquid crystal glass (3) is attached to the front side of the covering piece (2), and the upper side, the left side and the right side of the liquid crystal glass (3) are attached to the turnups (12);

a decorative strip (5), wherein the decorative strip (5) is arranged below the liquid crystal glass (3), a support plate (52) is arranged on the decorative strip (5), and the support plate (52) is configured to support the cladding (2); the decorative strip is characterized by further comprising a rear shell (6), the front side of the rear shell (6) is connected to the back plate (1), and the bottom end of the rear shell (6) is connected to the decorative strip (5);

the decorative strip (5) comprises a front side plate (51) and an end plate (55), a connecting plate (53) is arranged at the lower end of the front side plate (51), the supporting plate (52) is arranged at the side part of the upper end of the front side plate (51), the end plate (55) is connected to the front side plate (51), the supporting plate (52) and the connecting plate (53), the connecting plate (53) is of a step-shaped structure, two ends of the connecting plate are downwards convexly arranged to form a convex bone position (532), a mounting column (54) is arranged on the inner side of the front side plate (51), and the mounting column (54) is located below the supporting plate (52);

both ends of backshell (6) bottom all are provided with breach (63), breach (63) with protrusion position of bone (532) one-to-one sets up, breach (63) can with protrusion position of bone (532) and homonymy end plate (55) joint.

2. The display device according to claim 1, wherein the back plate (1) has a stepped structure and comprises a first stepped surface (13) and a second stepped surface (14), the first stepped surface (13) is located around the second stepped surface (14) and in front of the second stepped surface (14), and the back surface of the covering member (2) is adhered to the first stepped surface (13).

3. The display device according to claim 2, wherein the wrapping (2) comprises an upper U-shaped strip (21), a left U-shaped strip (22), a right U-shaped strip (23) and a lower U-shaped strip (24);

the upper U-shaped strip (21) is wrapped on the top edge of the optical diaphragm (4) and is adhered to the first step surface (13) on the top edge of the back plate (1);

the left U-shaped strip (22) is wrapped on the left side of the optical diaphragm (4) and is adhered to a first step surface (13) on the left side of the back plate (1);

the right U-shaped strip (23) is wrapped on the right side of the optical diaphragm (4) and is adhered to the first step surface (13) on the right side of the back plate (1);

the lower U-shaped strip (24) is wrapped on the bottom edge of the optical diaphragm (4) and is adhered to the first step surface (13) on the bottom edge of the back plate (1).

4. The display device according to claim 1, wherein the cladding member (2) is made of PE or TPV.

5. The display device according to claim 1, further comprising a core board (7), wherein the core board (7) is fixed to the back plate (1) or the rear case (6), and the core board (7) is electrically connected to the liquid crystal glass (3) and the optical film (4).

6. A display device as claimed in claim 5, characterised by further comprising a loudspeaker mounted on the decorative strip (5), the loudspeaker being electrically connected to the core board (7).

7. The display device according to claim 5, wherein a connecting plate (53) is arranged at the bottom of the decorative strip (5), the connecting plate (53) is fixedly connected to a bottom plate (62) of the rear shell (6), a sound outlet (531) is arranged on the connecting plate (53), and a sound outlet (621) matched with the sound outlet (531) is arranged on the bottom plate (62).

8. The display device as claimed in claim 1, characterized in that both ends of the decorative strip (5) are provided with protruding rib positions (532), and the rear shell (6) is provided with notches (63) matching with the protruding rib positions (532).