Display device

Abstract

The application discloses a display device, which comprises a cover plate, an outer frame wrapped outside the cover plate, a back plate comprising a first part which is arranged apart from the cover plate along a preset direction, and a fixing member connected between the cover plate and the first part and engaged with the outer frame, and the direction of the engagement force between the fixing member and the outer frame intersects with the preset direction. The display device provided by the application has the advantages of facilitating the disassembly, assembly and replacement of the outer frame.

Description

Technical Field

[0001] This application relates to the field of display technology, and in particular to a display device. Background Technology

[0002] In the display field, infrared touch has captured a large share of the touch market due to its mature technology, accurate touch precision, and relatively low cost. The principle of infrared touch is to analyze the touch position by blocking the infrared rays emitted by the infrared frame.

[0003] The infrared touch display screen utilizes a densely distributed infrared matrix in the X and Y directions to detect and locate the user's touch position. The infrared touch display screen includes a glass panel, a frame, a support plate, a glass retainer, and an infrared module. The frame surrounds the outer side of the glass panel, and the infrared module is housed within the frame's inner cavity. The lower end of the frame is lower than the lower surface of the glass panel and is fixed to the support plate. The glass retainer is positioned within the accommodating space formed by the frame, support plate, and glass panel, and supports the glass panel.

[0004] However, the connection methods for the frame, carrier plate, and glass pressure block of the related technology are cumbersome, making it inconvenient to quickly replace the frame. Summary of the Invention

[0005] The purpose of this application is to provide a display device that can solve the problem that the connection method of the frame, the carrier plate and the glass pressure block is cumbersome and it is not convenient to quickly replace the frame.

[0006] To achieve the above objectives, one aspect of this application provides a display device, comprising: a cover plate; an outer frame wrapped around the outside of the cover plate; a back plate including a first portion, the first portion being spaced apart from the cover plate along a preset direction; and a fastener connected between the cover plate and the first portion, wherein the fastener is engaged with the outer frame, and the direction of the engaging force between the fastener and the outer frame intersects with the preset direction.

[0007] Optionally, the direction of the engaging force between the fastener and the outer frame is perpendicular to the preset direction.

[0008] Optionally, the outer frame has a first end and a second end that are disposed opposite to each other along the preset direction, the second end of the outer frame faces the first part and is provided with a first connecting part; the fastener is provided with a second connecting part that faces the second end of the outer frame, and the second connecting part and the first connecting part are engaged and connected in a concave-convex manner.

[0009] Optionally, the first connecting part is a protrusion extending along the preset direction; the second connecting part includes a connecting groove and a buckle, the connecting groove has an inner cavity for accommodating the protrusion and a slot facing the outer frame, the buckle is elastic and disposed on the inner wall of the connecting groove, and the buckle is engaged with the protrusion.

[0010] Alternatively, the first connecting portion includes a protrusion and a buckle, the protrusion extending along the preset direction, and the buckle being elastic and disposed on the side wall of the protrusion; the second connecting portion is a connecting groove, the connecting groove having an inner cavity for accommodating the protrusion and a slot facing the outer frame;

[0011] Alternatively, the first connecting part includes a connecting groove and a buckle, the connecting groove having an opening facing the fixing member, and the buckle being elastic and disposed on the inner wall of the first connecting groove; the second connecting part is a protrusion, the protrusion passing through the connecting groove and engaging with the buckle.

[0012] Alternatively, the first connecting part is a connecting groove with an opening facing the fixing member; the second connecting part includes a protrusion and a buckle, the protrusion passes through the connecting groove, the buckle is elastic and disposed on the side wall of the protrusion, and the buckle is engaged with the connecting groove.

[0013] Optionally, the fastener includes a first segment and a second segment, the first segment being disposed on the side of the cover plate facing the first portion and connected to the cover plate, the second segment being connected to the first segment and bent relative to the first segment facing the top surface of the cover plate, and the second segment being connected to the side wall of the cover plate.

[0014] Optionally, the outer frame has a top surface and a bottom surface that are oppositely arranged in the preset direction; the back plate further includes a second part, which is connected to the first part and bent relative to the first part toward the top surface of the outer frame, and the second part is higher than the fastener, and the second part wraps around the outside of the fastener and part of the outer frame.

[0015] Optionally, the top surface of the second part is lower than the top surface of the outer frame; the outer frame has a limiting surface that abuts against the top surface of the outer frame.

[0016] Optionally, a receiving groove is formed between the fastener and the second part, the receiving groove having an opening facing the top surface of the outer frame, and the inner cavity of the receiving groove accommodating at least a portion of the outer frame.

[0017] Optionally, the bottom surface of the outer frame has a high region and a low region surrounding the first connecting portion, the high region being higher than the low region; the bottom surface of the receiving groove has a high side and a low side surrounding the second connecting portion, the high side being higher than the low side, the high side of the receiving groove supporting the high region of the outer frame, and the low side of the receiving groove supporting the low region of the outer frame.

[0018] Optionally, the connection between the fastener and the first part is located on the outside of the bottom surface of the cover plate in the orthographic projection of the cover plate; and / or, the engagement connection between the fastener and the outer frame is located on the outside of the top surface of the cover plate in the orthographic projection of the cover plate; and / or, there is an adhesive layer between the fastener and the cover plate; and / or, the fastener is connected to the first part by bolts or screws; and / or, the fastener is a metal strip.

[0019] The display device provided in this application embodiment, by arranging the first part of the cover plate and the first part of the back plate at intervals along a preset direction, and connecting the cover plate and the first part of the back plate by a fastener, makes the force direction between the fastener and the cover plate and the force direction between the fastener and the first part of the back plate both along the preset direction; by engaging the outer frame with the fastener, the outer frame can be easily removed from the fastener; by making the engaging force between the fastener and the outer frame intersect with the preset direction, the value of the force between the outer frame and the fastener along the preset direction is reduced, thereby reducing the supporting effect of the outer frame on the cover plate, thereby reducing the influence of the outer frame on the cover plate, and thus facilitating the disassembly, assembly and replacement of the outer frame. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a partial longitudinal cross-sectional view of an infrared touch display screen related to this technology;

[0022] Figure 2 A partial longitudinal sectional view of a display device provided in an embodiment of this application;

[0023] Figure 3 for Figure 2 A schematic diagram showing the outer frame and infrared components;

[0024] Figure 4 for Figure 2 A schematic diagram showing the backplate and fasteners;

[0025] Figure 5 A schematic diagram of another first connecting portion and a second connecting portion provided in an embodiment of this application;

[0026] Figure 6 A schematic diagram of yet another first connecting portion and a second connecting portion provided in an embodiment of this application;

[0027] Figure 7 This is a schematic diagram of another first connecting part and a second connecting part provided in an embodiment of this application.

[0028] Explanation of reference numerals in the attached figures:

[0029] 100. Cover plate;

[0030] 200, Outer frame; 210, First connecting part; 220, Top surface; 231, High position area; 232, Low position area; 240, Limiting surface; 250, Main body; 260, Filter part;

[0031] 300. Back panel; 310. Part 1; 320. Part 2;

[0032] 400. Fastener; 410. First section; 420. Second section; 430. Third section; 440. Fourth section; 450. Fifth section; 460. Second connecting part;

[0033] 500, receiving tank; 510, high side; 520, low side;

[0034] 610. Protrusion; 620. Groove; 630. Buckle;

[0035] 700, Infrared components;

[0036] 810. Support component; 820. Diaphragm; 830. Positioning component; 850. Display panel;

[0037] 910. Glass plate; 920. Frame; 930. Support plate; 940. Glass clamp; 950. Infrared module. Detailed Implementation

[0038] As described in the background section, infrared touch displays in related technologies suffer from cumbersome connection methods for the bezel, carrier plate, and glass clamp, making quick bezel replacement inconvenient. The inventors have discovered that the reason for this problem is as follows:

[0039] Figure 1 This is a partial longitudinal cross-sectional view of an infrared touch display screen based on related technology. (Reference) Figure 1The related infrared touch display screen includes a glass plate 910, a frame 920, a support plate 930, a glass pressing block 940, and an infrared module 950. The frame 920 surrounds the outer side of the glass plate 910, and the infrared module 950 is housed within the inner cavity of the frame 920. The lower end of the frame 920 is lower than the lower end surface of the glass plate 910 and is fixed to the support plate 930. The glass pressing block 940 is disposed within the accommodating space formed by the frame 920, the support plate 930, and the glass plate 910, and the upper end of the glass pressing block 940 supports the glass plate 910.

[0040] The lower ends of the glass clamping block 940, the lower ends of the frame 920, and the support plate 930 are fixed together with bolts or screws. This connects the frame 920 to the glass plate 910 via the glass clamping block 940 and to the support plate 930, meaning there is coupling between the frame 920 and the glass plate 910, and between the frame 920 and the support plate 930. To replace the frame 920, tools are needed to unscrew the bolts or screws, separating the frame 920 from the glass plate 910 and from the support plate 930. This method cannot meet customers' needs for quickly changing the color of the frame 920. Furthermore, the top surface of the frame 920 forms the top surface of the infrared touch display screen, and the sides of the frame 920 form the sides of the infrared touch display screen. This results in a large area of ​​the frame 920 that needs to be controlled in terms of the infrared touch display screen's appearance, high requirements for the frame 920, low production efficiency, and consequently, high manufacturing costs for the frame 920. In addition, under normal circumstances, the top color of the bezel 920 is the same as the side color of the bezel 920, which makes it difficult to meet users' needs for different color combinations of the top and sides of the display device.

[0041] To address the aforementioned technical problems, the inventors of this application have considered changing the connection between the frame 920 and the glass pressure block 940 from bolt fixing to a more convenient snap-fit ​​connection. Furthermore, considering that the upper end of the glass pressure block 940 supports the glass plate 910, and the lower end of the glass pressure block 940 is connected to the back plate 300, in order to reduce the transfer of the weight of the glass plate 910 to the frame 920 through the glass pressure block 940, thereby reducing the impact of the frame 920 on the glass plate 910 (or the support plate 930) during disassembly or assembly, the inventors of this application have set the direction of the snap-fit ​​force between the frame 920 and the glass pressure block 940 to intersect or even be perpendicular to the direction of the weight of the glass plate 910 (or the support plate 930), in order to achieve the purpose of quick disassembly and assembly of the frame 920.

[0042] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.

[0043] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0044] Figure 2 This is a partial longitudinal sectional view of a display device provided in an embodiment of this application. (Reference) Figure 2 The display device provided in this application embodiment may include a cover plate 100, an outer frame 200, and a back plate 300. The cover plate 100 may be made of a light-transmitting material such as glass, which may be transparent or colored (e.g., royal blue). The cover plate 100 primarily serves to protect and fix the display panel 850. Specifically, the cover plate 100 is positioned in a preset direction (e.g., ...). Figure 2 The cover plate 100 may have a top surface 220 and a bottom surface that are positioned opposite each other in the vertical direction. A display panel 850 parallel to the bottom surface of the cover plate 100 may be connected to it. Optionally, the display panel 850 and the cover plate 100 may be connected by an adhesive material such as optical adhesive to avoid damaging the structural integrity of the display panel 850 and the cover plate 100. Furthermore, a cushioning element with a certain thickness and elasticity, such as a foam pad or rubber pad, may be bonded between the display panel 850 and the cover plate 100 to maintain a certain distance between them and prevent the cover plate 100 from colliding with the display panel 850.

[0045] In addition, the orthographic projection of the display panel 850 onto the bottom surface of the cover plate 100 along a preset direction can be located within the bottom surface of the cover plate 100, so that at least part of the bottom surface of the cover plate 100 is exposed, thereby forming a space between the exposed bottom surface of the cover plate 100 and the outer side wall of the display panel 850, which can accommodate part of the fixing member 400 mentioned below.

[0046] Continue to refer to Figure 2The outer frame 200 can wrap around the outside of the cover plate 100 to protect the outer edge of the cover plate 100. Specifically, the outer frame 200 can form a closed shape, and the cover plate 100 can be disposed within this closed shape. The outer frame 200 can be formed by splicing at least two frame strips. For example, when the cover plate 100 is rectangular, the outer frame 200 is a rectangular closed ring structure, which may include a top frame strip, a bottom frame strip, a left frame strip, and a right frame strip. The top and bottom frame strips are opposite to each other and spaced apart, and the left and right frame strips are opposite to each other and spaced apart. The top, left, bottom, and right frame strips can be sequentially connected to form a rectangular outer frame 200. Adjacent frame strips can be fixedly connected by corner connectors such as L-shaped ones. The frame strips can be integral parts formed by extrusion molding, casting molding, injection molding, etc.; or, the frame strips can be formed by splicing at least two small segments for easy processing and suitability for display devices of various sizes. The above example uses a rectangular cover plate 100 and an outer frame 200 as an example. Of course, the cover plate 100 can also be a circle, an ellipse, or other regular or irregular shapes, and the outer frame 200 can be the same shape as the cover plate 100.

[0047] Additionally, the outer frame 200 may have an inner cavity in which electrical components can be housed. (Reference) Figure 2 and Figure 3 For example, the display device can be a smart interactive flat panel, which integrates multiple functions such as writing, touch, and display to achieve human-computer interaction. An infrared component 700 can be provided in the inner cavity of the outer frame 200. This infrared component 700 may include an infrared transmitter, an infrared receiver, and a circuit board. The circuit board can be installed in the inner cavity of the outer frame 200 by means of snap-fit, fasteners such as screws, or adhesive. Furthermore, the processor on the circuit board and the controller on the mainboard of the display device can communicate via wired connections or wirelessly via wireless signals such as microwaves. The infrared transmitter and infrared receiver can be higher than the top surface 220 of the cover plate 100, and they can form a cross-shaped infrared matrix in the touch space (parallel to and close to the top surface 220 of the cover plate 100). When the user performs touch operations in the touch space using a touch control (such as a finger, stylus, etc.), the touch control will block the two infrared rays passing through that position. Therefore, the processor on the circuit board can determine the position touched by the touch control and transmit that position to the controller on the motherboard. The controller on the motherboard can receive the position and determine the user's touch operation based on that position. The above example illustrates the situation using a smart interactive flat panel display device, with the infrared component 700 housed within the inner cavity of the outer frame 200. Of course, the display device can also be an LED display, an OLED display, etc., and other electrical components can be housed within the inner cavity of the outer frame 200.

[0048] refer to Figure 3The outer frame 200 may include a body portion 250 and a filter portion 260 that has a filtering function. The body portion 250 may have an opening facing the center of the cover plate 100 and located on the top side of the cover plate 100. The filter portion 260 may be disposed in the opening and block the opening, so that the body portion 250 and the filter portion 260 can enclose the inner cavity of the outer frame 200. The infrared emitter of the infrared component 700 mentioned above can emit light through the filter portion 260 on its side to the infrared receiver disposed on the opposite side, and the infrared receiver on the opposite side can receive light through the filter portion 260 on its side. That is, the filter portion 260 is disposed on the light output path of the infrared pair (a pair of infrared receivers and an infrared emitter).

[0049] For example, the outer frame 200 includes a left frame strip and a right frame strip disposed opposite to each other, and a pair of infrared receivers and infrared transmitters can be respectively disposed on the left frame strip and the right frame strip. The left frame strip may include a left body portion 250 and a left filter portion 260, and the right frame strip may include a right body portion 250 and a right filter portion 260. Light emitted by the infrared receiver located in the inner cavity of the left frame strip can pass sequentially through the filter portions 260 of the left frame strip and the filter portions 260 of the right frame strip, and be received by the infrared transmitter located in the inner cavity of the right frame strip.

[0050] refer to Figure 2 To protect the cover plate 100, the top surface 220 of the outer frame 200 may be higher than the top surface 220 of the cover plate 100. To reduce the gap between the outer frame 200 and the cover plate 100 in a direction perpendicular to a preset direction, at least a portion of the outer frame 200 may overlap the top surface 220 of the cover plate 100. Optionally, the longitudinal section of the outer frame 200 may be L-shaped, with the 90-degree bend of the longitudinal section of the L-shaped outer frame 200 facing the cover plate 100 and hooked onto the outer edge of the cover plate 100. In addition, to avoid obstructing the display panel 850, the portion of the outer frame 200 overlapping the top surface 220 of the cover plate 100 may be located on the outer side of the outer wall of the display panel 850. Figure 2 In the example shown, the overlapping part is located on the left side of the display panel 850.

[0051] Continue to refer to Figure 2 The back panel 300 may include a first part 310, the first part 310 and the cover plate 100 may be spaced apart along a preset direction, and the display panel 850 may be disposed between the first part 310 and the cover plate 100. Figure 2The example shown uses a first part 310 positioned below the display panel 850. A backlight module can be positioned between the display panel 850 and the first part 310. Taking a liquid crystal display as an example, the backlight module may include a reflector, a backlight source, and a film 820. The film 820 may be a single optical film or a combination of multiple optical films 820. Furthermore, to facilitate the installation and positioning of the backlight module, a positioning element 830 extending towards the cover plate 100 may be provided on the back plate 300. Positioning holes for the positioning element 830 to pass through are provided on both the reflector and the film 820 to ensure the installation accuracy of the backlight module on the back plate 300. The positioning element 830 may be a positioning pin for easy material availability and installation.

[0052] In addition, to support the display panel 850, the display device provided in this embodiment may further include a support member 810. The support member 810 may be disposed between the display panel 850 and the diaphragm 820. Optionally, the support member 810 may be a support block with a certain thickness. The support member 810 may be made of a flexible material with cushioning effect, such as foam or rubber, to avoid damage to the display panel 850 and the diaphragm 820 and to prevent the display panel 850 and the diaphragm 820 from deforming and approaching each other, causing wear. Of course, the support member 810 may also include a rigid part and a flexible part. There may be two flexible parts, one of which may be sandwiched between the rigid part and the display panel 850, and the other flexible part may be sandwiched between the rigid part and the diaphragm 820. The rigid part may be made of a rigid material that is not easily deformed, such as hard plastic, and the flexible part may be made of a flexible material with cushioning effect, such as foam or rubber.

[0053] Optionally, the support member 810 and the display panel 850 (or the support member 810 and the film 820) can be bonded together with an adhesive with a certain degree of adhesion, such as optical adhesive, so as to have the advantages of firm connection, no need to use connectors, convenient connection, and no damage to the internal structure of the display panel 850 (or film 820).

[0054] Continue to refer to Figure 2 In order to support the cover plate 100, the display device provided in this application embodiment may further include a fixing member 400, which can be connected between the cover plate 100 and the first part 310. The weight of the cover plate 100 can be transferred to the back plate 300 through the fixing member 400. Figure 4 for Figure 2 A schematic diagram showing the backplate and fasteners. (See reference) Figure 2 and Figure 4 The fastener 400 is along a preset direction (e.g., Figure 2 (shown in the up-down direction) may have a first end and a second end that are arranged opposite to each other, the first end of the fastener 400 is connected to the cover plate 100, and the second end of the fastener 400 is connected to the first part 310 of the back plate 300.

[0055] refer to Figure 2 and Figure 4 Optionally, the first end of the fastener 400 may include a first segment 410, which may be disposed in the space formed by the bottom surface of the exposed cover plate 100 and the outer sidewall of the display panel 850. As mentioned above, at least a portion of the outer frame 200 overlaps with the top surface 220 of the cover plate 100, and the portion of the outer frame 200 overlapping with the top surface 220 of the cover plate 100 is located outside the outer sidewall of the display panel 850. Thus, the top surface 220 and bottom surface of the portion of the cover plate 100 extending beyond the display panel 850 are respectively limited by the outer frame 200 and the first segment 410, so as to limit the position of the cover plate 100 in a predetermined direction.

[0056] In addition, related technologies Figure 1 The sides of the middle glass panel 910 are restricted by the frame 920. A drawback of this is that after the frame 920 is removed, the sides of the glass panel 910 are unsupported, which may cause the glass panel 910 to shift. Therefore, refer to... Figure 2 and Figure 4 The fastener 400 of the display device provided in this embodiment may further include a second segment 420, which can be connected to the first segment 410 and can be bent relative to the first segment 410 toward the top surface 220 of the cover plate 100. The second segment 420 can limit the outer wall of the cover plate 100. In this way, the operation of removing the outer frame 200 will not affect the position of the cover plate 100, which facilitates the disassembly, assembly and replacement of the outer frame 200.

[0057] Optionally, the first end of the fastener 400 can be connected to the cover plate 100 using an adhesive material such as optical adhesive. That is, an adhesive layer can be present between the fastener 400 and the cover plate 100, and this adhesive layer can be made of an adhesive material such as optical adhesive. This provides a simple and secure connection while avoiding damage to the structural integrity of the cover plate 100 and the first end of the fastener 400. For example, the first segment 410 of the fastener 400 can be connected to the bottom surface of the cover plate 100 using an adhesive material, and the second segment 420 of the fastener 400 can be connected to the side surface of the cover plate 100 using an adhesive material.

[0058] Furthermore, a cushioning element with a certain thickness and elasticity, such as a foam pad or rubber pad, can be bonded between the cover plate 100 and the first end of the fixing member 400 to maintain a certain distance between the cover plate 100 and the first end of the fixing member 400, thus preventing the first end of the fixing member 400 from colliding with the cover plate 100. In addition, the fixing member 400 can be made of a material with a certain hardness and strength (such as aluminum or other metal materials, or hard plastics). Figure 2 and Figure 4 The example shown is a metal strip for fastener 400.

[0059] In order to position the film 820 using the positioning member 830 mentioned above without affecting the display panel 850, at least a portion of the film 820 may extend beyond the display panel 850. The positioning member 830 can engage with the portion of the film 820 that extends beyond the display panel 850, thereby positioning the entire film 820. As can be seen above, both the cover plate 100 and the film 820 extend beyond the outer wall of the display panel 850, so that the orthographic projection of the portion of the cover plate 100 extending beyond the display panel 850 onto the top surface 220 of the first portion 310 of the back plate 300, and the orthographic projection of the portion of the film 820 extending beyond the display panel 850 onto the top surface 220 of the first portion 310 of the back plate 300, coincide, thereby resulting in… Figure 2 There is no position for the fastener 400 to connect to the back plate 300 directly below the portion of the middle cover plate 100 that extends beyond the display panel 850.

[0060] Based on the above, refer to Figure 2 and Figure 4 Optionally, the connection point between the second end of the fastener 400 and the back plate 300 provided in this embodiment can be located on the outer side of the outer wall of the cover plate 100. That is, the orthographic projection of the connection point between the fastener 400 and the first portion 310 on the bottom surface of the cover plate 100 can be located on the outer side of the bottom surface of the cover plate 100. For example, the fastener 400 may include a third segment 430 and a fourth segment 440, wherein the third segment 430 may be connected to the end of the first segment 410 away from the display panel 850 (e.g., the end of the first segment 410 away from the display panel 850). Figure 4 The third segment 430 (right end) is connected to and can be bent toward the first part 310 of the back plate 300, and there is a certain gap between the sidewall of the third segment 430 and the diaphragm 820. The fourth segment 440 can be connected to the third segment 430 and can be bent toward a direction away from the diaphragm 820. The fourth segment 440 can form the second end of the fastener 400, and the fourth segment 440 can be connected to the first part 310 of the back plate 300. The projection of the fourth segment 440 on the bottom surface of the cover plate 100 along a predetermined direction is located on the outer side of the cover plate 100. It should be noted that the second end of the fastener 400 can also have other structural forms. Figure 2 and Figure 4 This is merely an example and does not specifically limit the structural form of the second end of the fastener 400. Alternatively, the second end of the fastener 400 and the first part 310 of the back plate 300 can be connected by fasteners such as bolts or screws using the tightening force of the threads, so as to facilitate disassembly and provide a stronger connection.

[0061] Continue to refer to Figures 2-4 The outer frame 200 and the fastener 400 are snap-fitted together, allowing the outer frame 200 to be detached from the fastener 400. The direction of the snap-fit ​​force between the outer frame 200 and the fastener 400 is different from a preset direction (e.g., ...). Figure 2The outer frame 200 and the fixing member 400 intersect in the vertical direction to reduce the force value between them along the preset direction, thereby reducing the supporting effect of the outer frame 200 on the cover plate 100, and further reducing the impact of the outer frame 200 on the cover plate 100, display panel 850, etc., thus facilitating the disassembly, assembly and replacement of the outer frame 200.

[0062] Furthermore, the direction of the engaging force between the outer frame 200 and the fastener 400 is perpendicular to a preset direction, so as to further reduce the impact of disassembly, assembly, and replacement of the outer frame 200 on the cover plate 100. The outer frame 200 is aligned with a preset direction (e.g., ...). Figure 2 and Figure 3 The upper and lower directions of the outer frame 200 can have a first end and a second end that are set relatively opposite to each other. Optionally, the second end of the outer frame 200 (e.g., ...) Figure 2 and Figure 3 The lower end of the outer frame 200 may face the first portion 310 of the back plate 300, and the second end of the outer frame 200 may be provided with a first connecting portion 210. The fastener 400 may be provided with a second connecting portion 460 facing the second end of the outer frame 200, and the second connecting portion 460 and the first connecting portion 210 may be engaged and connected in a concave-convex fit. In this way, by utilizing the mutual restriction between the inner sidewall of the groove 620 and the outer sidewall of the protrusion 610 in the concave-convex fit, and the mutual restriction between the inner bottom wall of the groove 620 and the outer bottom wall of the protrusion 610, the position of the outer frame 200 relative to the fastener 400 is restricted. Furthermore, the first connecting part 210 can be inserted into the second connecting part 460 along a preset direction (or the second connecting part 460 can be inserted into the first connecting part 210 along a preset direction). The engaging force between the first connecting part 210 and the second connecting part 460 intersects or is even perpendicular to the insertion direction (i.e., the preset direction), so that the outer frame 200 can move along the preset direction and be fixed to the fixing member 400 under the action of an external force along the preset direction, and the outer frame 200 can also move along the preset direction and be disengaged from the fixing member 400 under the action of an external force along the preset direction. This achieves the purpose of quick disassembly and assembly of the outer frame 200, and reduces the impact of the assembly and disassembly of the outer frame 200 on the cover plate 100. At the same time, this design method meets the user's design requirements for a narrow bezel of the display device, making the display device more aesthetically pleasing.

[0063] In order to make the locking force perpendicular to the preset direction, the locking connection between the fastener 400 and the outer frame 200 is located on the outside of the top surface 220 of the cover plate 100 in the orthographic projection of the top surface 220 of the cover plate 100, so as to avoid interference between the outer frame 200 and the cover plate 100 during the movement of the outer frame 200 along the preset direction.

[0064] In addition, the first connecting part 210 and the second connecting part 460 may be configured in the following ways:

[0065] In one possible arrangement of the first connecting part 210 and the second connecting part 460, refer to Figures 2-4 The first connecting portion 210 may be a protrusion 610 extending in a preset direction. The second connecting portion 460 may include a connecting groove and a snap fastener 630. The connecting groove may have an inner cavity for accommodating the protrusion 610 and a slot facing the outer frame 200. The snap fastener 630 may be elastic and disposed on the inner wall of the connecting groove, and the snap fastener 630 and the protrusion 610 may be engaged and connected.

[0066] refer to Figure 4 For example, the fastener 400 may include a fifth segment 450, which may be connected to the fourth segment 440 and may be bent toward the cover plate 100 relative to the fourth segment 440, and the fifth segment 450 and the third segment 430 may form the connecting groove mentioned above, and the buckle 630 may be provided on the fifth segment 450.

[0067] In another possible arrangement of the first connecting part 210 and the second connecting part 460, refer to Figure 5 The first connecting portion 210 may include a protrusion 610 and a latch 630. The protrusion 610 may extend in a predetermined direction, and the latch 630 may be elastic and may be disposed on the side wall of the protrusion 610. The second connecting portion 460 may be a connecting groove, which may have an inner cavity for accommodating the protrusion 610 and a slot facing the outer frame 200.

[0068] In another possible arrangement of the first connecting part 210 and the second connecting part 460, refer to Figure 6 The first connecting portion 210 may be a connecting groove, which may have an opening facing the fixing member 400. The second connecting portion 460 may include a protrusion 610 and a latch 630. The protrusion 610 may pass through the connecting groove, and the latch 630 may be elastic and may be disposed on the side wall of the protrusion 610, and the latch 630 and the connecting groove may be engaged.

[0069] In another possible arrangement of the first connecting part 210 and the second connecting part 460, refer to Figure 7 The first connecting portion 210 includes a connecting groove and a snap fastener 630. The connecting groove may have an opening facing the fixing member 400, and the snap fastener 630 may be elastic and disposed within the inner wall of the first connecting groove. The second connecting portion 460 may be a protrusion 610, which can pass through the connecting groove and engage with the snap fastener 630.

[0070] To avoid related technologies (such as Figure 1 (As shown) The bezel 920 has a large area for appearance control of the infrared touch display screen, which places high demands on the bezel 920, resulting in low production efficiency and consequently high costs for the bezel 920. (See reference) Figures 2-4Optionally, the back panel 300 provided in this embodiment may further include a second portion 320, which can be connected to the first portion 310. The second portion 320 can be bent relative to the first portion 310 towards the top surface 220 of the outer frame 200, and can be higher than the fixing member 400. The second portion 320 can also wrap around the outside of the fixing member 400 and part of the outer frame 200. Thus, the second portion 320 of the back panel 300 can cover the outer wall of the fixing member 400 and part of the outer wall of the outer frame 200, allowing the second portion 320 of the back panel 300 to form the outer wall of the display device, thereby reducing the control of the outer frame 200 over the appearance and lowering the production cost of the outer frame 200. Furthermore, the color of the outer frame 200 and the color of the back panel 300 can be combined to meet various color combination requirements of the user for the appearance of the display panel 850.

[0071] Continue to refer to Figures 2-4 Optionally, the top surface 220 of the second portion 320 of the back panel 300 may be lower than the top surface 220 of the outer frame 200. The outer frame 200 may have a limiting surface 240 that abuts against the top surface 220 of the outer frame 200. Thus, when the limiting surface 240 abuts against the top surface 220 of the second portion 320 of the back panel 300, it indicates that the outer frame 200 is installed in place to limit the position of the outer frame 200 relative to the back panel 300.

[0072] Optionally, a receiving groove 500 may be formed between the fastener 400 and the second portion 320. The receiving groove 500 may have an opening facing the top surface 220 of the outer frame 200, and the inner cavity of the receiving groove 500 may accommodate at least a portion of the outer frame 200. In this way, the bottom surface of the receiving groove 500 can support the bottom surface of the outer frame 200, the inner sidewall of the receiving groove 500 can restrict the outer sidewall of the outer frame 200, and it also facilitates the fitting of the outer frame 200 into the groove and its disengagement from the fastener 400 along the groove wall.

[0073] Furthermore, the bottom surface of the outer frame 200 may have a high region 231 and a low region 232 surrounding the first connecting portion 210, with the high region 231 being higher than the low region 232. The bottom surface of the receiving groove 500 may have a high side 510 and a low side 520 surrounding the second connecting portion 460, with the high side 510 being higher than the low side 520. The high side 510 of the receiving groove 500 can support the high region 231 of the outer frame 200, and the low side 520 of the receiving groove 500 can support the low region 232 of the outer frame 200. In this way, a foolproof design is implemented through high and low potentials to prevent users from inserting the wrong parts.

[0074] For example, Figure 3 In the middle, the high position area 231 and the low position area 232 are located on the left and right sides of the first connecting part 210, respectively. Figure 4In this structure, the right side of the second part 320 of the back plate 300 of the fifth segment 450 (exceeding the fastener 400), the top surface 220 of the fifth segment 450, the top surface 220 of the third segment 430, and the left side of the second segment 420 of the fastener 400 can be combined to form a receiving groove 500. Furthermore, the top surface 220 of the fifth segment 450 is higher than the top surface 220 of the third segment 430, forming a high side 510, and the top surface 220 of the third segment 430 forming a low side 520.

[0075] The terms "upper" and "lower" are used to describe the relative positions of the various structures in the accompanying drawings. They are only for clarity of description and are not intended to limit the scope of implementation of this application. Any changes or adjustments to the relative positions without substantially altering the technical content shall also be considered within the scope of implementation of this application.

[0076] It should be noted that, in this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0077] Furthermore, in this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0078] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A display device, characterized in that, include: Cover plate; The outer frame wraps around the outside of the cover plate; The back panel includes a first part, which is spaced apart from the cover plate along a preset direction, and the outer frame is not connected to the back panel; A fastener is connected between the cover plate and the first part, and the fastener is engaged with the outer frame, and the direction of the engaging force between the fastener and the outer frame intersects with the preset direction; The direction of the engaging force between the fastener and the outer frame is perpendicular to the preset direction; The outer frame has a first end and a second end that are arranged opposite to each other along the preset direction, and the second end of the outer frame faces the first part and is provided with a first connecting part; The fastener is provided with a second connecting part facing the second end of the outer frame, and the second connecting part is engaged with the first connecting part in a concave-convex fit and snap-fit ​​connection. The fastener includes a first section and a second section. The first section is disposed on the side of the cover plate facing the first part and connected to the cover plate. The second section is connected to the first section and bent relative to the top surface of the first section facing the cover plate, and the second section is connected to the side wall of the cover plate.

2. The display device according to claim 1, characterized in that, The first connecting part is a protrusion extending along the preset direction; the second connecting part includes a connecting groove and a buckle, the connecting groove has an inner cavity for accommodating the protrusion and a slot facing the outer frame, the buckle is elastic and disposed on the inner wall of the connecting groove, and the buckle is engaged with the protrusion. Alternatively, the first connecting portion includes a protrusion and a buckle, the protrusion extending along the preset direction, and the buckle being elastic and disposed on the side wall of the protrusion; the second connecting portion is a connecting groove, the connecting groove having an inner cavity for accommodating the protrusion and a slot facing the outer frame; Alternatively, the first connecting part includes a connecting groove and a buckle, the connecting groove having an opening facing the fixing member, and the buckle being elastic and disposed on the inner wall of the first connecting groove; the second connecting part is a protrusion, the protrusion passing through the connecting groove and engaging with the buckle. Alternatively, the first connecting part is a connecting groove with an opening facing the fixing member; the second connecting part includes a protrusion and a buckle, the protrusion passes through the connecting groove, the buckle is elastic and disposed on the side wall of the protrusion, and the buckle is engaged with the connecting groove.

3. The display device according to claim 2, characterized in that, The outer frame has a top surface and a bottom surface that are oppositely arranged in the preset direction; The back panel also includes a second portion connected to the first portion and bent relative to the first portion toward the top surface of the outer frame, the second portion being higher than the fastener and wrapping around the outside of the fastener and part of the outer frame.

4. The display device according to claim 3, characterized in that, The top surface of the second part is lower than the top surface of the outer frame; The outer frame has a limiting surface that abuts against the top surface of the outer frame.

5. The display device according to claim 3, characterized in that, A receiving groove is formed between the fastener and the second part, the receiving groove having an opening facing the top surface of the outer frame, and the inner cavity of the receiving groove accommodating at least a portion of the outer frame.

6. The display device according to claim 5, characterized in that, The bottom surface of the outer frame has a high region and a low region surrounding the first connecting portion, wherein the high region is higher than the low region; The bottom surface of the receiving groove has a high side and a low side arranged around the second connecting part. The high side is higher than the low side. The high side of the receiving groove supports the high area of ​​the outer frame, and the low side of the receiving groove supports the low area of ​​the outer frame.

7. The display device according to any one of claims 1-6, characterized in that, The connection point between the fastener and the first part is located on the outside of the bottom surface of the cover plate, in the orthographic projection of the cover plate's bottom surface. And / or, the snap-fit ​​connection between the fastener and the outer frame is located on the outside of the top surface of the cover plate, in the orthographic projection of the top surface of the cover plate. And / or, an adhesive layer is provided between the fastener and the cover plate; And / or, the fastener is connected to the first part by bolts or screws; And / or, the fastener is a metal strip.

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