Narrow-side display device attached to mounting surface

Abstract

The utility model provides a narrow-edge display device with an attached installation 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, and the screen, the fixing plate and the rear shell are sequentially located in the front frame. A concave cavity used for containing the wall-mounted plate is formed between the rear shell and the front frame, and the wall-mounted plate is used for being connected with the rear shell and the mounting face. The wall-mounted plate in the narrow-edge 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-edge display device can be attached to the wall surface, and the narrow-edge display device is more attractive in mounting and easy to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen technical field especially is related to a narrow edge display device of installation surface of sticking. BACKGROUND

[0002] Display device is widely used in life, is mainly used for information dissemination, realizes certain atmosphere effect etc., however, the existing display device has following insufficient;

[0003] 1, display device in actual application process, usually is directly carried on the wall, is influenced by the size of display device back support, there will be a certain gap between display device and wall, lead to display device installation is not beautiful, and the inside dust is easy to enter;

[0004] 2, display device and wall between wiring are messy, not convenient for later dismounting, maintenance.

[0005] 3, the infrared remote control receiving end and / or ambient light detector of prior art display device and / or light receiving device need to be arranged at the frame, lead to the width of frame needs to be designed larger, simultaneously, when using in exhibition scene, usually due to the effective distance of infrared signal is larger and lead to the other remote controller of nearby mistake control this device.

[0006] Therefore, the display device of at least one of the above technical problems is needed. CONTENT OF UTILITY MODEL

[0007] The utility model discloses a kind of narrow edge display devices of installation surface of sticking, wall hanging plate can be hidden in the recess cavity formed between rear shell and front frame, display device can be attached with wall, the installation of display device is more beautiful, easy maintenance.

[0008] To achieve the above object, the utility model provides the following technical solutions:

[0009] The utility model provides a kind of narrow edge display devices of installation surface of sticking, including front frame, screen, fixed plate, rear shell and wall hanging plate, the screen, the fixed plate and the rear shell are sequentially located in the front frame, the recess cavity for accommodating the wall hanging plate is formed between the rear shell and the front frame, the wall hanging plate is used to connect with the rear shell and mounting surface respectively.

[0010] Further, the wall hanging plate has mounting protrusion, the rear shell is equipped with wall hanging hole, the wall hanging hole is "X" cross structure, any one end of the wall hanging hole can be hung on the mounting protrusion.

[0011] Further, the rear shell is concave towards the direction close to the fixing plate, and is provided with a containing groove and a wire slot, the wire slot is communicated with the containing groove, the containing groove is provided with an opening for being opposite to the interface of the mainboard of the fixing plate, and the wall hanging plate is provided with a wire hole communicated with the containing groove.

[0012] Further, the inner side of the front frame comprises a first layer mounting structure, a second layer mounting structure and a third layer mounting structure arranged in sequence from front to back.

[0013] The first layer mounting structure is opposite to the screen to prevent the screen from falling out.

[0014] The second layer mounting structure is connected with the fixing plate.

[0015] The third layer mounting structure is connected with the rear shell.

[0016] Further, the screen is connected with the fixing plate.

[0017] Further, a middle frame is further included, the middle frame is connected with the first layer mounting structure, and a containing space for defining the position of the screen is formed between the first layer mounting structure and the middle frame.

[0018] Further, the screen comprises a liquid crystal panel and a light guide plate, the liquid crystal panel is clamped between the first layer mounting structure and the light guide plate, and the light guide plate is clamped between the liquid crystal panel and the middle frame.

[0019] Further, the surface of the middle frame away from the first layer mounting structure is concave and provided with a heat dissipation groove.

[0020] Further, the fixing plate is provided with a light receiving device, and the position of 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.

[0021] Further, the fixing plate is provided with a fixing support protruding towards the rear shell, and the rear shell is connected with the fixing support.

[0022] The narrow edge display device provided by the utility model can produce the following advantages

[0023] Advantages:

[0024] When in use, the narrow-bezel display device provided by the present invention, which conforms to a mounting surface, has its screen, fixing plate, and rear housing all mounted within the front frame. One side of the wall-mounted plate can be connected to the mounting surface, and the other side of the wall-mounted plate can be connected to the rear housing. After connection, the wall-mounted plate is located within the cavity formed between the rear housing and the front frame. Therefore, compared to the prior art, the wall-mounted plate in the narrow-bezel display device provided by the present invention can be hidden within the front frame, securing the narrow-bezel display device while allowing it to conform to the wall. This makes the installation of the narrow-bezel display device more aesthetically pleasing, conceals wiring, provides better dust and water resistance, is less susceptible to damage, and eliminates the need to clean the back of the device, making it easier to maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 An exploded view of a narrow-edge display device fitted to a mounting surface provided in Example 1 of the present utility model;

[0027] Figure 2 A schematic diagram of the three-dimensional structure of a wall-mounted panel provided by the utility model;

[0028] Figure 3 A side view of a wall-mounted panel provided by the utility model;

[0029] Figure 4 A schematic diagram of the three-dimensional structure of a narrow-edge display device (without a wall-mounted panel) provided in Example 1 of the present utility model that fits the mounting surface;

[0030] Figure 5 for Figure 4 A partial enlarged schematic diagram of point B;

[0031] Figure 6 for Figure 1 A local enlarged schematic diagram of point A;

[0032] Figure 7 An exploded view of a narrow-edge display device fitted to a mounting surface provided in Example 2 of the present utility model;

[0033] Figure 8 for Figure 7 A partial enlarged schematic diagram of point C;

[0034] Figure 9The three-dimensional structure schematic diagram of the narrow edge display device (without wall hanging plate) provided by the second embodiment of the present application is shown.

[0035] Icon: 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-fixed plate; 31-mainboard; 311-interface; 32-optical receiving device; 33-fixed support; 34-fixed hole; 35-power board; 36-terminal board; 37-loudspeaker; 38-socket; 39-logic board; 4-rear shell; 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 protrusion; 53-wiring hole; 6-middle frame; 61-radiating groove; 62-containing groove. DETAILED DESCRIPTION

[0036] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0039] The specific embodiments of the present application will be described in detail below in conjunction with the drawings. It should be understood that the specific embodiments described here are only for the purpose of illustrating and explaining the present application, and are not intended to limit the present application.

[0040] This embodiment provides a narrow-edge display device that fits the mounting surface, such as Figures 1 to 5 As shown, it includes a front frame 1, a screen 2, a fixing plate 3, a rear shell 4 and a wall-mounted plate 5. The screen 2, the fixing plate 3 and the rear shell 4 are sequentially located in the front frame 1. A concave cavity for accommodating the wall-mounted plate 5 is formed between the rear shell 4 and the front frame 1. The wall-mounted plate 5 is used to be connected to the rear shell 4 and the mounting surface respectively.

[0041] When the narrow-edge display device provided by the above embodiment is used and is fitted to the mounting surface, the screen 2, the fixing plate 3 and the rear shell 4 are sequentially located in the front frame 1, as shown in FIG. Figure 5 As shown, the rear side of the front frame 1 protrudes from the rear shell 4, forming a concave cavity between the protruding portion and the rear shell 4. One side of the wall-mounted plate 5 can be connected to the mounting surface, and the other side to the rear shell 4. After connection, the wall-mounted plate 5 can be located within the concave cavity formed between the rear shell 4 and the front frame 1. Therefore, compared to the prior art, the wall-mounted plate 5 in the narrow-bezel display device provided in the above embodiment can be hidden within the front frame 1, and the rear side of the front frame 1 can be attached to the wall without creating a gap between the wall and the wall. This makes the installation of the narrow-bezel display device more aesthetically pleasing, hides wiring, provides better dust and water resistance, is less susceptible to damage, and eliminates the need to clean the back of the device, facilitating device maintenance.

[0042] The installation surface can be a wall or a surface of the bracket, that is, any surface that can be installed with the wall-mounted plate 5 is acceptable and is not specifically limited here.

[0043] The wall-mounted plate 5 can be connected to the mounting surface in a variety of ways, such as snapping the wall-mounted plate 5 to the mounting surface, or connecting the wall-mounted plate 5 to the mounting surface through connectors such as screws, or hanging the wall-mounted plate 5 on the mounting surface, etc.

[0044] In an optional embodiment, the wall-mounted plate 5 has a mounting through hole 51 , and a connecting piece can pass through the mounting through hole 51 and be inserted into the mounting surface to connect the wall-mounted plate 5 to the wall.

[0045] Among them, the installation through holes 51 can be set to multiple, and multiple installation through holes 51 can ensure the installation firmness of the wall hanging plate 5. For example, the installation through holes 51 can be set to three, four, five, six, seven, eight, etc. In a preferred embodiment, as Figure 2 As shown, eight mounting through holes 51 are provided, and the eight mounting through holes 51 are evenly distributed along the edge of the wall-mounted plate 5 .

[0046] There can be multiple ways to connect the rear shell 4 and the wall-mounted plate 5, such as bonding the rear shell 4 and the wall-mounted plate 5. Preferably, the two are detachably connected, such as the rear shell 4 is hung on the wall-mounted plate 5, or the rear shell 4 is detachably connected to the wall-mounted plate 5 through connectors such as screws.

[0047] In an optional embodiment, the rear shell 4 is hung on the wall-mounted 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. The above-mentioned hook can also be replaced by a protrusion of other shapes.

[0048] In an optional embodiment, if Figures 2 to 4 As shown, the wall-mounted plate 5 has a mounting protrusion 52. When the wall-mounted plate 5 is connected to the rear housing 4, the mounting protrusion 52 protrudes toward the rear housing 4. The rear housing 4 has a wall-mounted hole 41. When in use, the wall-mounted hole 41 on the rear housing 4 can be hung on the mounting protrusion 52 on the wall-mounted plate 5, thereby hanging the rear housing 4 and the wall-mounted plate 5.

[0049] like Figure 2 As shown, the mounting protrusions 52 can be configured in multiples, for example, the mounting protrusions 52 can be set to two, three, four, five, six, seven, eight, etc. Figure 2 As shown, there are four mounting protrusions 52, and the wall hanging plate 5 is rectangular. The four mounting protrusions 52 are respectively arranged at the four corners of the wall hanging plate 5. The number of wall hanging holes 41 can be equal to the number of mounting protrusions 52, and the mounting protrusions 52 are inserted into the wall hanging holes 41 in a one-to-one correspondence.

[0050] In a preferred embodiment, two mounting protrusions 52 are provided. During installation, it is only necessary to align the two wall-hanging holes 41 with the two mounting protrusions 52 respectively, so that the installation is stable and convenient.

[0051] The wall-hanging hole 41 may have various shapes, for example, the wall-hanging hole 41 may be oval, key-shaped, etc.

[0052] In a preferred embodiment, Figure 4 As shown, the wall-hanging hole 41 is in a cross-shaped structure, and any end of the wall-hanging hole 41 can be hung on the mounting protrusion 52 .

[0053] When hanging the rear shell 4, the mounting protrusion 52 can extend into the wall-hanging hole 41 from the middle of the wall-hanging hole 41, and the mounting protrusion 52 can be hung on any end of the wall-hanging hole 41 along any path extending outward from the middle of the wall-hanging hole 41. The above setting does not limit the hanging direction of the rear shell 4 and can meet more usage requirements.

[0054] In an optional embodiment, if Figure 4 As shown, the rear shell 4 is provided with a receiving groove 42 and a wiring groove 43 in the direction close to the fixing plate 3, and the wiring groove 43 is connected with the receiving groove 42. Figure 2 As shown, the wall-mounted plate 5 is provided with a wiring hole 53 communicating with the receiving groove 42 .

[0055] The accommodating groove 42 can accommodate a junction box, a wire, etc. The wire groove 43 can accommodate a wire extending from the accommodating groove 42. The junction box and the power cord can enter the accommodating groove 42 from the junction hole 53 and be connected to the interface 311 of the main plate 31 of the fixing plate 3.

[0056] Specifically, as shown in Figure 4 the side of the wire groove 43 is provided with a signal transmission hole 431. When the light receiving device 32 includes an infrared receiver, the infrared receiver can be located on the fixing plate 3 close to the signal transmission hole 431. The infrared signal can be received through the signal transmission hole 431 to enhance the infrared signal to some extent and increase the remote control distance.

[0057] Specifically, as shown in Figure 4 the accommodating groove 42 is provided with an opening 421 for being arranged opposite to the interface 311 of the main plate 31 of the fixing plate 3, so as to facilitate the junction box, the power cord, etc. to be connected to the interface 311.

[0058] As shown in Figure 4 the opening 421 is arranged on the side wall of the accommodating groove 42. Compared with being arranged on the bottom wall of the accommodating groove 42, the opening 421 can effectively reduce the thickness of the narrow-edge display device.

[0059] In an optional embodiment, as shown in Figure 4 the rear shell 4 further has a hole 44 for sound emission and / or heat dissipation.

[0060] In an optional embodiment, before the rear shell 4 is connected to the wall hanging plate 5, the screen 2, the fixing plate 3 and the rear shell 4 are sequentially arranged in the front frame 1 from front to back. The fixing plate 3 can limit and support at least one of the screen 2 and the rear shell 4, so as to facilitate the screen 2 and the rear shell 4 to be fixed in the front frame 1.

[0061] It can be understood that the above-mentioned from front to back refers to from the side of the narrow-edge display device facing the viewer to the side away from the viewer.

[0062] The screen 2, the fixing plate 3 and the rear shell 4 can be fixed together and then fixed to the front frame 1, or the screen 2 and the fixing plate 3 can be fixed together and then fixed to the front frame 1, or the three can be fixed to the front frame 1 respectively, etc. without specific limitation.

[0063] In an optional embodiment, as shown in Figure 6 the inner side of the front frame 1 includes a first layer of mounting structure 11, a second layer of mounting structure 12 and a third layer of mounting structure 13 arranged in sequence from front to back, wherein:

[0064] The first mounting structure 11 abuts against the screen 2 and can limit the screen 2 to prevent it from falling out of the front frame 1.

[0065] The second-layer mounting structure 12 is connected to the fixing plate 3 to fix the fixing plate 3;

[0066] The third mounting structure 13 is connected to the rear housing 4 and serves to fix the rear housing 4 .

[0067] The above-mentioned front frame 1 includes a three-layer mounting structure, which can limit the screen 2, the fixing plate 3 and the back shell 4 respectively. The forces of the screen 2, the fixing plate 3 and the back shell 4 can be transmitted to different positions of the front frame 1 to avoid excessive concentration of force on the front frame 1. The force effect of the front frame 1 is better and the mounting structure is more stable.

[0068] The above three-layer installation structure can all be in the form of a baffle, which protrudes from the inner wall of the front frame 1. Its structure is simple and easy to match with the screen 2, the fixing plate 3 and the rear shell 4.

[0069] After the rear shell 4 is installed to the third-layer installation structure 13 , the front frame 1 protrudes from the surface of the rear shell 4 away from the fixing plate 3 and forms a hidden space between the front frame 1 and the surface of the rear shell 4 away from the fixing plate 3 , and the wall-mounted panel 5 is hidden in the hidden space.

[0070] According to different fixing methods of the screen 2, the following two embodiments can be used:

[0071] Example 1

[0072] In this embodiment 1, Figure 1 As shown, the screen 2 is connected to the fixing plate 3 .

[0073] Specifically, if Figure 1 As shown, the edge of the fixing plate 3 has a bent edge that overlaps the second-layer mounting structure 12, and a plurality of first fixing holes 34 are opened on the bent edge. The first fixing holes 34 are used to fix to the front frame 1 through connecting parts such as screws and the second-layer mounting structure 12.

[0074] The fixing plate 3 is also provided with a plurality of second fixing holes, through which connecting members such as screws can pass through the second fixing holes and connect with the screen 2 , thereby fixing the screen 2 and the fixing plate 3 .

[0075] In this embodiment 1, Figure 1 As shown, various components are fixed on the fixing plate 3, including a mainboard 31, a power board 35, a terminal board 36, a speaker 37, a socket 38, etc., and a variety of interfaces 311 are connected to the mainboard 31.

[0076] In the first embodiment, the fixed plate 3 is provided with the light receiving device 32, and the screen 2 is configured to allow the light signal to pass through and reduce the effective distance of the light signal at a position opposite to the light receiving device 32.

[0077] In the above embodiment, the light receiving device 32 is arranged under the screen, the screen 2 is transparent to the light signal, the light receiving device 32 does not need to be arranged at the edge of the front frame 1, the width of the design of the edge of the front frame 1 can be effectively reduced, and the screen 2 can hinder the light signal to some extent, reduce the effective distance of the light signal, and be more suitable for exhibition scenarios, effectively avoiding the miscontrol of other remote controllers on the device.

[0078] The light receiving device 32 can include, but is not limited to, a remote control receiving plate and an ambient light sensor.

[0079] In the first embodiment, the fixed plate 3 is provided with a fixed support 33 protruding towards the rear shell 4, and the rear shell 4 is connected with the fixed support 33.

[0080] One end of the fixed support 33 can be fixed with the fixed plate 3, and the other end protrudes towards the side close to the rear shell 4, and the protruding height is just suitable for the distance between the rear shell 4 and the fixed plate 3. The fixed support 33 can fix and support the rear shell 4, prevent the rear shell 4 from being deformed, make the structure more stable, and prevent displacement between the interface 311 and the rear shell 4.

[0081] Embodiment II

[0082] The difference between the second embodiment and the first embodiment is that the screen 2 is not directly connected with the fixed plate 3, and the narrow-border display device includes a middle frame 6, the middle frame 6 is connected with the first layer mounting structure 11, and a containing space for limiting the position of the screen 2 relative to the first layer mounting structure 11 is formed between the middle frame 6 and the first layer mounting structure 11.

[0083] Specifically, the edge of the middle frame 6 can protrude forward to form a concave cavity, and the concave cavity cooperates with the first layer mounting structure 11 to contain and fix the screen 2.

[0084] The above-mentioned 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.

[0085] It can be understood that the front direction refers to the direction of the user facing the narrow-border display device when watching.

[0086] In addition, in the second embodiment, as shown in Figure 7 The screen 2 includes a liquid crystal panel 21 and a light guide plate 22, the liquid crystal panel 21 is clamped between the first layer mounting structure 11 and the light guide plate 22, and the light guide plate 22 is clamped between the liquid crystal panel 21 and the middle frame 6.

[0087] After the middle frame 6 is connected with the first layer mounting structure 11, the liquid crystal panel 21 is pressed on the first layer mounting structure 11 through 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.

[0088] In the second embodiment, as shown in Figure 8 , the edge of the side of the middle frame 6 facing the first layer mounting structure 11 is concave, and a receiving groove 62 for accommodating the backlight is formed in the edge, so that the structure of the narrow-border display device is more compact.

[0089] In the second embodiment, as shown in Figure 8 , the surface of the middle frame 6 away from the first layer mounting structure 11 is concave, and a heat dissipation groove 61 for dissipating heat is formed in the surface.

[0090] Of course, the heat dissipation groove 61 can be partially or entirely disposed on the surface of the middle frame 6 away from the first layer mounting structure 11.

[0091] The heat dissipation groove 61 can be one or multiple. In a preferred embodiment, the heat dissipation groove 61 is multiple, and the multiple heat dissipation grooves 61 are arranged horizontally and vertically on the surface of the middle frame 6 away from the first layer mounting structure 11.

[0092] On the basis of the above-mentioned embodiments, the surface of the screen 2 can also be subjected to a fogging treatment, and the display is softer and less reflective. The screen 2 can also use a pixel shift technology and has an anti-burning function.

[0093] In the second embodiment, as shown in Figure 7 , various components are fixed on the fixed plate 3, including a main board 31, a power supply board 35, a terminal plate 36, a loudspeaker 37, a logic board 39, etc., and various interfaces 311 are connected to the main board 31.

[0094] On the basis of the above-mentioned embodiments, a recess for accommodating the light bar can be formed at the edge of the rear shell 4, the light color of the light bar in the recess can be adjusted, the front frame 1 can be made of a light guide plate or wrapped with a light guide plate outside the front frame 1 to guide the light of the light bar and achieve the effect of blending the screen into the environment.

[0095] For example, if the wall surface is red, the light bar can display red light.

[0096] In addition, the size of the narrow-border display device can be adjusted as needed, which can be square as shown in Figure 4 , or rectangular as shown in Figure 9 . Similarly, the size of the receiving groove 42 can also be adjusted as needed.

[0097] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A narrow-edge display device that fits a mounting surface, characterized in that: The invention comprises a front frame (1), a screen (2), a fixing plate (3), a rear shell (4) and a wall-mounted plate (5); the screen (2), the fixing plate (3) and the rear shell (4) are sequentially located inside the front frame (1); a concave cavity for accommodating the wall-mounted plate (5) is formed between the rear shell (4) and the front frame (1); and the wall-mounted plate (5) is used to be connected to the rear shell (4) and a mounting surface respectively.

2. The narrow-edge display device according to claim 1, wherein: The wall-mounted plate (5) has a mounting protrusion (52), and the rear shell (4) is provided with a wall-mounted hole (41). The wall-mounted hole (41) is in a "cross"-shaped structure, and any end of the wall-mounted hole (41) can be hung on the mounting protrusion (52).

3. The narrow-edge display device according to claim 1, wherein: The rear shell (4) is provided with a receiving groove (42) and a wiring groove (43) in a direction close to the fixing plate (3); the wiring groove (43) is communicated with the receiving groove (42); the receiving groove (42) is provided with an opening (421) for being arranged opposite to the interface (311) of the main board (31) on the fixing plate (3); and the wall-mounted plate (5) is provided with a wiring hole (53) communicated with the receiving groove (42).

4. The narrow-edge display device according to claim 1, wherein: The inner side of the front frame (1) comprises a first-layer mounting structure (11), a second-layer mounting structure (12) and a third-layer mounting structure (13) arranged in sequence from front to back; The first-layer mounting structure (11) abuts against the screen (2) to prevent the screen (2) from falling out; The second-layer mounting structure (12) is connected to the fixing plate (3); The third-layer mounting structure (13) is connected to the rear shell (4).

5. The narrow-edge display device according to claim 4, wherein: The screen (2) is connected to the fixing plate (3).

6. The narrow-edge display device according to claim 4, wherein: It also includes a middle frame (6), which is connected to the first-layer mounting structure (11) and forms an accommodating space for limiting the position of the screen (2) between the middle frame (6) and the first-layer mounting structure (11).

7. The narrow-edge display device according to claim 6, wherein: The screen (2) comprises 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-edge display device according to claim 7, wherein: A heat dissipation groove (61) is recessed on the surface of the middle frame (6) facing away from the first layer mounting structure (11).

9. The narrow-edge display device according to any one of claims 1 to 8, wherein: The fixing plate (3) has a light receiving device (32), and a position on the screen (2) opposite to the light receiving device (32) is configured to allow light signals to pass through and reduce the effective distance of the light signals.

10. The narrow-edge display device according to any one of claims 1 to 8, wherein: The fixing plate (3) is provided with a fixing bracket (33) protruding toward the rear shell (4), and the rear shell (4) is connected to the fixing bracket (33).

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