CN223450511U - Narrow-edge display device conforming to mounting surface - Google Patents

Abstract

The utility model provides a narrow-edge display device attached to a mounting surface, which relates to the technical field of display screens and comprises a front frame, a screen, a fixing plate, a rear shell and a wall hanging plate, the screen, the fixed plate and the rear shell are sequentially positioned in the front frame, a concave cavity for accommodating the wall hanging plate is formed between the rear shell and the front frame, and the wall hanging plate is used for being connected with the rear shell and the mounting surface respectively. The wall hanging plate in the narrow-side display device attached to the mounting surface can be hidden in the concave cavity formed between the rear shell and the front frame, so that the narrow-side display device can be attached to a wall surface, and the mounting of the narrow-side display device is more attractive and easy to maintain.

Description

Narrow-side display device attached to mounting surface

Technical Field

The utility model relates to the technical field of display screens, in particular to a narrow-side display device attached to a mounting surface.

Background

The display device is widely used in life, mainly used for information transmission, realizing a certain atmosphere effect and the like, however, the existing display device has the following disadvantages;

1. In the practical application process, the display device is usually directly mounted on a wall surface, and is influenced by the size of a bracket at the back of the display device, a certain gap exists between the display device and the wall surface, so that the display device is not attractive in installation, and dust is easy to enter the display device;

2. The wires between the display device and the wall surface are messy, so that the assembly, disassembly and maintenance in the later stage are inconvenient.

3. Light receiving devices such as an infrared remote control receiving end and/or an ambient light detector in the existing display device are required to be arranged at the frame, so that the width of the frame is required to be designed to be larger, and meanwhile, when the device is used in an exhibition scene, other nearby remote controllers are usually caused to control the device by mistake due to the fact that the effective distance of infrared signals is larger.

Accordingly, there is a need for a display device that can solve at least one of the above problems.

Disclosure of utility model

The utility model aims to provide the narrow-edge display device attached to the mounting surface, the wall hanging plate can be hidden in the concave cavity formed between the rear shell and the front frame, the display device can be attached to the wall surface, and the display device is more attractive in installation and easy to maintain.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a narrow-side display device attached to a mounting surface, which comprises a front frame, a screen, a fixing plate, a rear shell and a wall hanging plate, wherein the screen, the fixing plate and the rear shell are sequentially positioned in the front frame, a concave cavity for accommodating the wall hanging plate is formed between the rear shell and the front frame, and the wall hanging plate is respectively connected with the rear shell and the mounting surface.

Further, the wall hanging plate is provided with a mounting protrusion, the rear shell is provided with a wall hanging hole, the wall hanging hole is of a cross-shaped structure, and any one end of the wall hanging hole can be hung on the mounting protrusion.

Further, the backshell orientation is close to the direction of fixed plate is concave to be equipped with holding tank and wiring groove, the wiring groove with the holding tank intercommunication, the holding tank offer be used for with the opening that the interface of mainboard set up relatively on the fixed plate, the hanging board seted up with the wiring hole of holding tank intercommunication.

Further, the inner side of the front frame comprises a first layer of mounting structure, a second layer of mounting structure and a third layer of mounting structure which are sequentially arranged from front to back;

The first layer of mounting structure is propped against the screen to prevent the screen from falling out;

the second layer of mounting structure is connected with the fixed plate;

The third layer of mounting structure is connected with the rear shell.

Further, the screen is connected with the fixing plate.

Further, the screen comprises a middle frame, wherein the middle frame is connected with the first layer of mounting structure, and a containing space for limiting the screen position is formed between the middle frame and the first layer of mounting structure.

Further, the screen comprises a liquid crystal panel and a light guide plate, wherein the liquid crystal panel is clamped between the first layer of mounting structure and the light guide plate, and the light guide plate is clamped between the liquid crystal panel and the middle frame.

Further, a heat dissipation groove is concavely formed in the surface, away from the first layer of mounting structure, of the middle frame.

Further, the fixing plate has a light receiving device, and the position on the screen opposite to the light receiving device is configured to allow the light signal to pass through and reduce the effective distance of the light signal.

Further, a fixing support protruding towards the rear shell is arranged on the fixing plate, and the rear shell is connected with the fixing support.

The narrow-side display device attached to the mounting surface provided by the utility model can generate the following

The beneficial effects are that:

when the narrow-side display device attached to the mounting surface is used, the screen, the fixing plate and the rear shell are all arranged in the front frame, one side of the wall-mounted plate can be connected with the mounting surface, the other side of the wall-mounted plate can be connected with the rear shell, and after the connection, the wall-mounted plate is positioned in a concave cavity formed between the rear shell and the front frame. Compared with the prior art, the wall hanging plate in the narrow-side display device can be hidden in the front frame, the narrow-side display device can be attached to a wall surface while being fixed, the narrow-side display device is more attractive in installation, wiring is hidden, dust and water proofing effects are better, the wall hanging plate is not easy to damage, the back of the device is not required to be cleaned, and the device is convenient to maintain.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a narrow-side display device attached to a mounting surface according to an embodiment of the present utility model;

Fig. 2 is a schematic three-dimensional structure of a wall-mounted board according to the present utility model;

fig. 3 is a side view of a wall hanging plate according to the present utility model;

Fig. 4 is a schematic three-dimensional structure of a narrow-side display device (without a wall-mounted board) attached to a mounting surface according to a first embodiment of the present utility model;

FIG. 5 is an enlarged schematic view of a portion of FIG. 4 at B;

FIG. 6 is an enlarged schematic view of a portion of FIG. 1;

FIG. 7 is an exploded view of a narrow-side display device attached to a mounting surface according to a second embodiment of the present utility model;

FIG. 8 is an enlarged schematic view of a portion of FIG. 7 at C;

Fig. 9 is a schematic three-dimensional structure of a narrow-side display device (without a wall-mounted board) attached to a mounting surface according to a second embodiment of the present utility model.

The icons are 1-front frame, 11-first layer mounting structure, 12-second layer mounting structure, 13-third layer mounting structure, 2-screen, 21-liquid crystal panel, 22-light guide plate, 3-fixing plate, 31-main plate, 311-interface, 32-light receiving device, 33-fixing bracket, 34-fixing hole, 35-power panel, 36-terminal board, 37-horn, 38-socket, 39-logic board, 4-rear case, 41-wall hanging hole, 42-containing groove, 421-opening, 43-wiring groove, 431-signal transmission hole, 44-hole, 5-wall hanging plate, 51-mounting through hole, 52-mounting boss, 53-wiring hole, 6-middle frame, 61-heat dissipation groove and 62-containing groove.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

The present embodiment provides a narrow-edge display device attached to a mounting surface, as shown in fig. 1 to 5, including a front frame 1, a screen 2, a fixing plate 3, a rear case 4 and a wall hanging plate 5, where the screen 2, the fixing plate 3 and the rear case 4 are sequentially located in the front frame 1, a cavity for accommodating the wall hanging plate 5 is formed between the rear case 4 and the front frame 1, and the wall hanging plate 5 is used for being connected with the rear case 4 and the mounting surface respectively.

When the narrow-edge display device attached to the mounting surface provided in the above embodiment is used, the screen 2, the fixing plate 3 and the rear case 4 are sequentially located in the front frame 1, as shown in fig. 5, the rear side of the front frame 1 protrudes out of the rear case 4, a concave cavity is formed between the protruding portion and the rear case 4, one side of the wall hanging plate 5 can be connected with the mounting surface, the other side is connected with the rear case 4, and after connection, the wall hanging plate 5 can be located in the concave cavity formed between the rear case 4 and the front frame 1. Therefore, for prior art, hanging board 5 in the narrow limit display device that the embodiment provided above can hide in front bezel 1, and front bezel 1's rear side can laminate with the wall, can not produce the space between with the wall, and narrow limit display device's installation is more pleasing to the eye, and hides the line, and dustproof, waterproof effect is better, and is not fragile, also need not to clear up the device back, the device maintenance of being convenient for.

The mounting surface may be a wall surface, or may be a surface of a bracket, that is, any surface capable of mounting the wall-mounted plate 5, which is not particularly limited herein.

The wall-hanging plate 5 may be connected to the mounting surface in various manners, for example, the wall-hanging plate 5 is clamped to the mounting surface, or the wall-hanging plate 5 is connected to the mounting surface by a connecting member such as a screw, or the wall-hanging plate 5 is suspended from the mounting surface, etc.

In an alternative embodiment, the wall-hanging plate 5 has a mounting through hole 51, and the connector may be inserted through the mounting through hole 51 and into the mounting surface to connect the wall-hanging plate 5 with the wall surface.

Wherein, the installation through holes 51 can be provided in plurality, and the installation firmness of the wall hanging plate 5 can be ensured by a plurality of installation through holes 51, for example, the installation through holes 51 can be provided in a plurality of three, four, five, six, seven, eight and the like. In the preferred embodiment, as shown in fig. 2, the mounting through holes 51 are provided in eight, and the eight mounting through holes 51 are uniformly distributed along the edge of the wall-hanging plate 5.

The connection between the back shell 4 and the wall-hanging plate 5 can also be various, for example, the back shell 4 and the wall-hanging plate 5 are bonded, and the back shell 4 and the wall-hanging plate 5 are preferably detachably connected, for example, the back shell 4 is hung on the wall-hanging plate 5, or the back shell 4 is detachably connected with the wall-hanging plate 5 through a connecting piece such as a screw.

In alternative embodiments, the rear shell 4 is suspended from the wall-hanging plate 5, for example, one of the two is provided with a hook and the other is provided with a hole for hanging on the hook, and the hook can be replaced by a protrusion of other shape.

In an alternative embodiment, as shown in fig. 2 to 4, the wall-hanging plate 5 has a mounting protrusion 52, and when the wall-hanging plate 5 is connected with the rear case 4, the mounting protrusion 52 protrudes toward the rear case 4, and the rear case 4 is provided with the wall-hanging hole 41. When in use, the wall hanging hole 41 on the back shell 4 can be hung on the mounting protrusion 52 on the wall hanging plate 5, so as to realize the hanging of the back shell 4 and the wall hanging plate 5.

As shown in fig. 2, the mounting projections 52 may be configured in plural, for example, the mounting projections 52 may be provided in plural of two, three, four, five, six, seven, eight, or the like. As shown in fig. 2, the mounting bosses 52 are provided in four, the wall-hanging plate 5 is rectangular, and the four mounting bosses 52 are provided at four corners of the wall-hanging plate 5, respectively. The number of the wall hanging holes 41 may be equal to the number of the mounting protrusions 52, and the mounting protrusions 52 are inserted into the wall hanging holes 41 in a one-to-one correspondence.

In the preferred embodiment, the number of the mounting protrusions 52 is two, and only two wall hanging holes 41 need to be aligned with the two mounting protrusions 52 respectively during mounting, so that the mounting is stable and convenient.

The wall-hanging hole 41 may have various shapes, for example, the wall-hanging hole 41 may be oval, key-shaped, etc.

In a preferred embodiment, as shown in fig. 4, the wall-hanging hole 41 has a cross-shaped structure, and either end of the wall-hanging hole 41 may be hung on the mounting boss 52.

When hanging backshell 4, the installation protruding 52 can stretch into hanging hole 41 from the middle part of hanging hole 41, and the installation protruding 52 can hang on hanging hole 41's arbitrary tip from hanging the arbitrary route of the outside extension in hanging hole 41 middle part, and the setting can not restrict backshell 4's the direction of hanging, can satisfy more user demands.

In an alternative embodiment, as shown in fig. 4, the rear case 4 is concavely provided with a receiving groove 42 and a wiring groove 43 toward the direction approaching the fixing plate 3, the wiring groove 43 communicates with the receiving groove 42, and as shown in fig. 2, the wall-hanging plate 5 is provided with a wiring hole 53 communicating with the receiving groove 42.

The accommodating groove 42 may be used to accommodate a junction box, a circuit, etc., the wiring groove 43 may be used to accommodate a circuit extending from the accommodating groove 42, and the junction box and the power cord may enter the accommodating groove 42 from the wiring hole 53 and be connected to the interface 311 of the main board 31 on the fixing board 3.

Specifically, as shown in fig. 4, when the signal transmission hole 431 is formed in the side surface of the wiring groove 43 and the light receiving device 32 includes an infrared receiver, the infrared receiver may be located on the fixing plate 3 near the signal transmission hole 431, and the infrared signal may be received through the signal transmission hole 431, so as to enhance the infrared signal to a certain extent and increase the remote control distance.

Specifically, as shown in fig. 4, the accommodating groove 42 is provided with an opening 421 for being disposed opposite to the interface 311 of the main board 31 on the fixing board 3, so as to facilitate connection of a wire box, a power cord, etc. with the interface 311.

As shown in fig. 4, the opening 421 is formed on the side wall of the accommodating groove 42, so that the thickness of the narrow-side display device can be effectively reduced as compared with the case where the opening 421 is formed on the bottom wall of the accommodating groove 42.

In an alternative embodiment, as shown in fig. 4, the rear case 4 is further provided with holes 44 for sound emission and/or heat dissipation.

In an alternative embodiment, before the rear case 4 is connected to the wall hanging plate 5, the screen 2, the fixing plate 3 and the rear case 4 are sequentially located in the front frame 1 from front to back, and the fixing plate 3 may perform a limit support on at least one of the screen 2 and the rear case 4 so that the screen 2 and the rear case 4 are fixed in the front frame 1.

It will be appreciated that the front-to-back direction above refers to the side of the narrow-sided display device facing the viewer pointing away from the viewer.

The screen 2, the fixing plate 3 and the rear case 4 may be mounted in the front frame 1 in various manners, and the screen 2, the fixing plate 3 and the rear case 4 may be fixed together and then fixed to the front frame 1, or the screen 2 and the fixing plate 3 may be fixed together and then fixed to the front frame 1, or the three may be respectively fixed to the front frame 1, etc., without specific limitation.

In an alternative embodiment, as shown in fig. 6, the inner side of the front frame 1 includes a first layer mounting structure 11, a second layer mounting structure 12, and a third layer mounting structure 13, which are sequentially disposed from front to rear, wherein:

The first layer of mounting structure 11 is propped against the screen 2, the first layer of mounting structure 11 can play a limiting role on the screen 2, and the screen 2 is prevented from falling out of the front frame 1;

The second layer of mounting structure 12 is connected with the fixed plate 3 and plays a role in fixing the fixed plate 3;

The third layer of mounting structure 13 is connected with the rear housing 4, and plays a role in fixing the rear housing 4.

The three-layer mounting structure has been included in the preceding frame 1, can carry out spacingly to screen 2, fixed plate 3 and backshell 4 respectively, and the effort of screen 2, fixed plate 3 and backshell 4 can be transmitted to preceding frame 1 different positions department, avoids preceding frame 1 atress too concentrated, and preceding frame 1's atress effect is better, and mounting structure is also more firm.

The three-layer installation structure can adopt a baffle plate, the baffle plate protrudes out of the inner wall of the front frame 1, the structure is simple, and the baffle plate is convenient to be matched with the screen 2, the fixed plate 3 and the rear shell 4.

After the rear shell 4 is mounted on the third-layer mounting structure 13, the front frame 1 protrudes from the surface of the rear shell 4, which faces away from the fixed plate 3, and a hidden space is formed between the front frame and the surface of the rear shell 4, which faces away from the fixed plate 3, and the wall hanging plate 5 is hidden in the hidden space.

The following two embodiments can be classified according to the fixing manner of the screen 2:

Example 1

In the first embodiment, as shown in fig. 1, a screen 2 is attached to a fixed plate 3.

Specifically, as shown in fig. 1, the edge of the fixing plate 3 has a bending edge overlapping the second layer mounting structure 12, and a plurality of first fixing holes 34 are formed on the bending edge, and the first fixing holes 34 are used for fixing the second layer mounting structure 12 and the front frame 1 through connecting members such as screws.

The fixing plate 3 is also provided with a plurality of second fixing holes, and connecting pieces such as screws and the like can penetrate through the second fixing holes and then are connected with the screen 2, so that the screen 2 and the fixing plate 3 are fixed.

In the first embodiment, as shown in fig. 1, various components are fixed on the fixing board 3, including a main board 31, a power board 35, a terminal board 36, a speaker 37, a socket 38, and the like, and various interfaces 311 are connected to the main board 31.

In the first embodiment, the fixing plate 3 has the light receiving device 32, and is configured to allow the optical signal to pass therethrough and reduce the effective distance of the optical signal at a position on the screen 2 opposite to the light receiving device 32.

In the above embodiment, the light receiving device 32 is disposed under the screen, the screen 2 is permeable to the light signal, the light receiving device 32 is not required to be disposed at the edge of the front frame 1, the width of the front frame 1 required to be designed can be effectively reduced, in addition, the screen 2 can generate a certain obstruction to the light signal, the effective distance of the light signal is reduced, and the device is more suitable for the scene of exhibition and demonstration, and the device is effectively prevented from being controlled by other remote controllers.

The light receiving device 32 may include, but is not limited to, a remote control receiving board and an ambient light sensor.

In the first embodiment, the fixing plate 3 is provided with a fixing bracket 33 protruding toward the rear case 4, and the rear case 4 is connected to the fixing bracket 33.

One end of the fixing bracket 33 can be fixed with the fixing plate 3, the other end is protruded towards one side close to the rear shell 4, the height of the protrusion is just matched with the distance between the rear shell 4 and the fixing plate 3, the fixing bracket 33 can play a role in fixing and supporting the rear shell 4, the rear shell 4 is prevented from being concavely deformed, the structure is more stable, and the interface 311 and the rear shell 4 can be prevented from being displaced.

Example two

The second embodiment is different from the first embodiment in that the screen 2 is not directly connected to the fixing plate 3, and the narrow-side display device includes a middle frame 6, and the middle frame 6 is connected to the first-layer mounting structure 11, and forms a receiving space between the middle frame 6 and the first-layer mounting structure 11 for defining a position of the screen 2 relative to the first-layer mounting structure 11.

Specifically, the edge of the middle frame 6 may protrude forward to form a cavity that cooperates with the first tier mounting structure 11 to receive and secure the screen 2.

The second embodiment can fix the screen 2 alone, and ensure the stability of the position of the screen 2 relative to the front frame 1.

It will be appreciated that the front direction refers to the direction in which the user is looking at the narrow-side display device relative to the narrow-side display device.

In addition, in the second embodiment, as shown in fig. 7, the screen 2 includes a liquid crystal panel 21 and a light guide plate 22, the liquid crystal panel 21 is sandwiched between the first layer mounting structure 11 and the light guide plate 22, and the light guide plate 22 is sandwiched between the liquid crystal panel 21 and the middle frame 6.

After the middle frame 6 is connected to the first-layer mounting structure 11, the liquid crystal panel 21 is pressed against the first-layer mounting structure 11 by the light guide plate 22, and the positions of the liquid crystal panel 21 and the light guide plate 22 relative to the first-layer mounting structure 11 are defined.

In the second embodiment, as shown in fig. 8, the edge of the side of the middle frame 6 facing the first layer mounting structure 11 is recessed with a receiving groove 62 for receiving the backlight, so that the structure of the narrow-edge display device is more compact.

In the second embodiment, as shown in fig. 8, a heat dissipation groove 61 for dissipating heat is concavely provided on the surface of the middle frame 6 facing away from the first layer mounting structure 11.

Of course, the heat sink 61 may be partially or entirely disposed on the surface of the center 6 facing away from the first-tier mounting structure 11.

The heat dissipation groove 61 may be one or a plurality of. In a preferred embodiment, the plurality of heat dissipation grooves 61 are provided, and the plurality of heat dissipation grooves 61 are provided in a lateral direction on the surface of the middle frame 6 facing away from the first-layer mounting structure 11.

On the basis of the above embodiments, the surface of the screen 2 may be atomized, display is softer, reflection is less, and the screen 2 may also use pixel drift technology, so that it has anti-burning function.

In the second embodiment, as shown in fig. 7, various components are fixed on the fixing board 3, including a main board 31, a power board 35, a terminal board 36, a speaker 37, a logic board 39, and the like, and various interfaces 311 are connected to the main board 31.

On the basis of the above embodiments, a groove for accommodating a light bar can be formed at a periphery of the edge of the rear case 4, the light color of the light bar in the groove can be adjusted, the front frame 1 can be made of a light-guiding plate, or the light-guiding plate is wrapped on the outer side of the front frame 1 so as to guide the light of the light bar, and the effect of fusing the screen in the environment is achieved.

For example, the wall surface may be red, which may cause the light bar to appear as a red light.

The size of the narrow-side display device may be adjusted as needed, and may be square as shown in fig. 4 or rectangular as shown in fig. 9, and the size of the accommodating groove 42 may be adjusted as needed.

It should be noted that the above embodiments are merely for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a narrow limit display device of laminating installation face, its characterized in that includes preceding frame (1), screen (2), fixed plate (3), backshell (4) and hanging board (5), screen (2) fixed plate (3) with backshell (4) are located in proper order preceding frame (1), backshell (4) with form between preceding frame (1) and be used for holding the cavity of hanging board (5), hanging board (5) be used for respectively with backshell (4) and installation face are connected.

2. The narrow-side display device attached to a mounting surface according to claim 1, wherein the wall-hanging plate (5) is provided with a mounting protrusion (52), the rear housing (4) is provided with a wall-hanging hole (41), the wall-hanging hole (41) is in a cross-shaped structure, and any one end of the wall-hanging hole (41) can be hung on the mounting protrusion (52).

3. The narrow-side display device attached to a mounting surface according to claim 1, wherein the rear case (4) is concavely provided with a containing groove (42) and a wiring groove (43) toward a direction close to the fixing plate (3), the wiring groove (43) is communicated with the containing groove (42), the containing groove (42) is provided with an opening (421) which is arranged opposite to an interface (311) of a main board (31) on the fixing plate (3), and the wall hanging plate (5) is provided with a wiring hole (53) communicated with the containing groove (42).

4. The narrow-side display device attached to a mounting surface according to claim 1, wherein the inner side of the front frame (1) includes a first-layer mounting structure (11), a second-layer mounting structure (12) and a third-layer mounting structure (13) which are provided in this order from front to back;

The first layer of mounting structures (11) are propped against the screen (2) to prevent the screen (2) from falling out;

the second layer of mounting structure (12) is connected with the fixed plate (3);

The third layer mounting structure (13) is connected with the rear shell (4).

5. A narrow side display device attached to a mounting surface according to claim 4, wherein the screen (2) is connected to the fixing plate (3).

6. The narrow-side display device attached to a mounting surface according to claim 4, further comprising a middle frame (6), wherein the middle frame (6) is connected to the first-layer mounting structure (11) and forms a receiving space for defining a position of the screen (2) with the first-layer mounting structure (11).

7. The narrow-side display device attached to a mounting surface according to claim 6, wherein the screen (2) includes a liquid crystal panel (21) and a light guide plate (22), the liquid crystal panel (21) is sandwiched between the first-layer mounting structure (11) and the light guide plate (22), and the light guide plate (22) is sandwiched between the liquid crystal panel (21) and the middle frame (6).

8. The narrow-side display device attached to a mounting surface according to claim 7, wherein a heat dissipation groove (61) is concavely provided in a surface of the center (6) facing away from the first-layer mounting structure (11).

9. A narrow-edge display device to which is attached to a mounting surface according to any one of claims 1 to 8, wherein the fixing plate (3) has a light receiving device (32), and the screen (2) is arranged at a position opposite to the light receiving device (32) to allow light signals to pass therethrough and to reduce the effective distance of the light signals.

10. A narrow-edge display device attached to a mounting surface according to any one of claims 1 to 8, wherein a fixing bracket (33) protruding toward the rear case (4) is provided on the fixing plate (3), and the rear case (4) is connected to the fixing bracket (33).