Display device

By setting up seals in the frame structure of the multimedia teaching all-in-one machine to seal the liquid in the hollow area, the problem of circuit board short circuit is solved and the waterproof performance and service performance of the equipment are improved.

CN119923956APending Publication Date: 2025-05-02GUANGZHOU SHIYUAN ELECTRONICS CO LTD +1
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Patent Information

Application Number
CN202380013939.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-27
Publication Date
2025-05-02

AI Technical Summary

Technical Problem

In the multimedia teaching all-in-one machine, the circuit board located inside the lower border may have a short circuit, which will affect the normal use of the device.

Method used

A display device is designed, including a display screen and a frame structure, which includes a frame, a circuit board assembly and two first seals. The first seal is provided in a hollow area formed at the connection between the lower frame and the side frame to block the entry of liquid.

Benefits of technology

It effectively avoids liquid entering the frame through the hollowed-out area, reduces the occurrence of circuit board short circuits, and improves the waterproof performance and service performance of the display equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

A display device (10) comprising a display screen (4) and a bezel structure wherein the bezel structure comprises a frame (1), a circuit board assembly (2) and two first sealing elements (3), the frame (1) defines a window area (11) arranged to set the display screen (4) of the display device (10), the circuit board assembly (2) is arranged in the frame (1); the frame (1) comprises a lower frame (12) located below the display screen (4) and two side frames (13) located on the sides of the display screen (4), the bottom of each side frame (13) is connected with one end of the lower frame (12), a first hollow area (5) located on the front face of the display screen (4) is formed at the joint of each side frame (13) and the lower frame (12), and a first sealing piece (3) is arranged in each first hollow area (5).
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Description

Display Devices

[0001] The present application relates to the technical field of display devices, and in particular to a display device.

[0002] The multimedia teaching all-in-one machine is a multifunctional interactive teaching device that integrates multiple devices such as a projector, a projection screen, an electronic whiteboard, etc. Since the multimedia teaching all-in-one machine is more in line with modern teaching, it is widely used.

[0003] Generally, a multimedia teaching all-in-one machine includes an upper frame, a lower frame, two side frames, a display screen and a circuit board. The two side frames are connected between the upper frame and the lower frame. The upper frame, the lower frame and the two side frames enclose a window area for accommodating the display screen. When the display screen is installed in the window area, a hollow area is formed on the front side of the display screen at the corner connection of the lower frame and the side frame. The circuit board is configured to realize the touch function of the display screen, and the circuit board is arranged inside the frame.

[0004] However, in actual use, external liquid will flow into the frame through the hollow area, causing a short circuit in the circuit board, thus affecting the normal use of the multimedia teaching all-in-one machine.

[0005] Summary of the invention

[0006] An embodiment of the present application provides a display device, which is configured to solve the problem that a short circuit may occur in a circuit board located inside a lower frame of a multimedia teaching all-in-one machine in the related art, thereby affecting the normal use of the multimedia teaching all-in-one machine.

[0007] The present application provides a display device, including a display screen and a frame structure; the frame structure includes a frame, a circuit board assembly and two first seals, the frame defines a window area for setting up the display screen, and the circuit board assembly is arranged in the frame; the frame includes a lower frame located below the display screen and two side frames located on the sides of the display screen, the bottom of one side frame is connected to an end of the lower frame, and the connection between each side frame and the lower frame forms a first hollow area located on the front side of the display screen, and a first seal blocks a first hollow area.

[0008] As an optional implementation, the first sealing member includes a first sealing body, the first sealing body blocks the first hollow area; a limiting structure is provided between the first sealing body and the frame, and the limiting structure is configured to limit the relative position between the first sealing member and the frame. In this way, by providing the limiting structure, the first sealing member can be easily installed to improve the assembly efficiency of the frame structure, thereby improving the assembly efficiency of the display device provided by the present application.

[0009] As an optional implementation, the limiting structure includes a first limiting structure, which is arranged between the first sealing body and the lower frame; the first limiting structure is arranged to limit the relative position of the first sealing member and the lower frame in the height direction of the display screen. In this way, by limiting the relative position of the first sealing member and the lower frame in the height direction of the display screen, the relative position of the first sealing member and the frame in the height direction of the display screen can be limited.

[0010] As an optional embodiment, the first limiting structure includes a first limiting protrusion formed on the lower frame and a first extension portion connected to the first sealing body; the protruding direction of the first limiting protrusion is consistent with the thickness direction of the display screen, and one end of the first extension portion away from the first sealing body abuts against the first limiting protrusion.

[0011] As an optional embodiment, the limiting structure further includes a second limiting structure, which is arranged between the first sealing body and the side frame; the second limiting structure is arranged to limit the relative position of the first sealing member and the side frame in the width direction of the display screen. In this way, by limiting the relative position of the first sealing member and the corresponding side frame in the width direction of the display screen, the relative position between the first sealing member and the frame in the width direction of the display screen can be limited.

[0012] As an optional embodiment, the second limiting structure includes a second limiting protrusion formed on the side frame and a second extension portion connected to the first sealing body; the protruding direction of the second limiting protrusion is consistent with the thickness direction of the display screen, and the end of the second extension portion away from the first sealing body abuts against the second limiting protrusion.

[0013] As an optional embodiment, the side frame and the lower frame are connected by a connection structure located on the back side of the display screen; the connection structure includes a first connection member, the first connection member includes a connection body and a cover portion, the connection body is connected to the back side of the frame, the connection between the side frame and the lower frame forms a second hollow area located in the corner area of ​​the frame, and the second hollow area is located beside the first hollow area; the cover portion is connected to the connection body and extends toward the front of the display screen, the cover portion covers the second hollow area, and the cover portion is located outside the display screen and is adapted to the corner shape of the display screen. In this way, liquid can be prevented from entering the interior of the frame from the second hollow area.

[0014] As an optional embodiment, the first sealing member further includes a third extension portion, which is connected to the first sealing body and extends toward the back of the display screen, and is located between the cover portion and the corner of the display screen; the third extension portion is attached to the side of the cover portion facing the window area, and the contour shape of the third extension portion is adapted to the contour shape of the cover portion. In this way, by setting the third extension portion, the third extension portion will be located between the corner of the display screen and the cover portion, and when the frame structure is assembled, the display screen and the cover portion will form a clamping force on the third extension portion, so that the third extension portion seals between the display screen and the cover portion, which can prevent liquid from entering the interior of the frame from the second hollow area to a certain extent, so that the display screen can be touched normally.

[0015] As an optional implementation, a limiting surface is formed on the cover portion, and one end of the third extension portion away from the first sealing body abuts against the limiting surface. In this way, by setting the limiting surface, the relative position between the third extension portion and the first connecting member can be limited, so as to limit the installation position of the first sealing member, thereby improving the assembly efficiency of the frame structure, and further improving the assembly efficiency of the display device provided by the present application.

[0016] As an optional embodiment, the frame structure further includes a second sealant located at the back of the display screen; the second sealant is attached to the side of the cover portion facing the window area, one end of the second sealant abuts against the back of the display screen, and the other end of the second sealant extends toward the connecting body. In this way, the second sealant can prevent liquid from entering the frame from the back of the display screen to a certain extent.

[0017] As an optional embodiment, the second sealing member includes a second sealing body, the contour shape of the second sealing body is adapted to the contour shape of the cover portion; the size of the second sealing body is larger than the size of the cover portion, so that the second sealing body abuts against the lower frame and the side frame. In this way, it is easy to install the second sealing member.

[0018] As an optional embodiment, a plurality of reinforcing parts are provided on a side of the second sealing body away from the sealing cover; the plurality of reinforcing parts are spaced apart along the extension direction of the first sealing body. In this way, the strength of the second sealing member can be enhanced by providing the reinforcing parts, so as to avoid excessive deformation of the second sealing member during installation.

[0019] As an optional implementation, a sealing foam is provided at the connection between the display screen and the frame structure, so that the provision of the sealing foam can prevent liquid from entering the frame through the gap between the display screen and the frame structure.

[0020] The embodiment of the present application provides a display device, including a display screen and a frame structure, the frame structure includes a frame, a circuit board assembly and two first seals, the frame defines a window area for setting the display screen, and the circuit board assembly is set in the frame; the frame includes a lower frame located below the display screen and two side frames located on the sides of the display screen, the bottom of one side frame is connected to an end of the lower frame, and each side frame forms a first hollow area located on the front of the display screen at the connection between the lower frame and the side frame, and a first seal is set in the first hollow area. In the embodiment of the present application, the first seal is set in the first hollow area formed at the connection between the lower frame and the side frame, which can prevent the liquid on the front of the display screen from entering the frame through the first hollow area to a certain extent, and then can prevent the circuit board assembly from short-circuiting to a certain extent, so that the waterproof performance of the display device provided by the embodiment of the present application is better, thereby improving the overall performance of the display device provided by the embodiment of the present application.

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] FIG1 is a schematic diagram of the structure of a display device provided in an embodiment of the present application;

[0023] FIG2 is a schematic diagram of the three-dimensional structure of the first partial structure of FIG1 along the rearward direction;

[0024] FIG3 is an enlarged schematic diagram of the local structure at A in FIG2 ;

[0025] FIG4 is a schematic structural diagram of a second partial structure of a display device provided in an embodiment of the present application;

[0026] FIG5 is an enlarged schematic diagram of the local structure at B in FIG4 ;

[0027] FIG6 is a schematic structural diagram of a third partial structure of a display device provided in an embodiment of the present application;

[0028] FIG7 is an enlarged schematic diagram of the local structure at C in FIG6;

[0029] FIG8 is a schematic diagram of the three-dimensional structure of a first sealing member in a display device provided in an embodiment of the present application;

[0030] FIG9 is a schematic structural diagram of a fourth partial structure of a display device provided in an embodiment of the present application;

[0031] FIG10 is an enlarged schematic diagram of the local structure at D in FIG9;

[0032] FIG11 is a schematic diagram of the matching relationship between the first connecting member and the second connecting member in the display device provided in an embodiment of the present application;

[0033] FIG12 is an exploded view of FIG11 ;

[0034] FIG13 is a schematic diagram of the matching relationship between the first connecting member and the first sealing member in the display device provided in an embodiment of the present application;

[0035] FIG14 is a schematic structural diagram of a fifth partial structure of a display device provided in an embodiment of the present application;

[0036] FIG15 is an enlarged schematic diagram of the local structure at E in FIG14;

[0037] FIG16 is a cross-sectional view of FIG1 along the FF direction;

[0038] FIG17 is an enlarged schematic diagram of the local structure at G in FIG16;

[0039] FIG18 is a schematic structural diagram of a sixth partial structure of a display device provided in an embodiment of the present application;

[0040] FIG. 19 is a schematic diagram of the local structure at point H in FIG. 18 .

[0041] Figure numerals: 1, frame; 2, circuit board assembly; 3, first sealing member; 4, display screen; 5, first hollow area; 6, first connecting member; 7, second connecting member; 8, second hollow area; 9, second sealing member; 10, display device; 11, window area; 12, lower frame; 13, side frame; 14, upper frame; 21, first circuit board; 22, second circuit board; 23, flexible circuit board; 31, first sealing body; 32, first extension; 33, second extension; 34, third extension; 61, connecting body; 62, cover part; 71, matching part; 72, second connecting body; 91, second sealing body; 92, reinforcement part; 20, sealing foam; 121. first limiting protrusion; 122. first accommodating cavity; 123. first front side wall; 131. second limiting protrusion; 132. second accommodating cavity; 133. second front side wall; 611. first connecting portion; 612. second connecting portion; 613. third connecting portion; 621. first sealing portion; 622. second sealing portion; 623. limiting surface; 711. first matching plate; 712. second matching plate; 713. third matching plate; 714. reinforcing rib; 721. first connecting plate; 722. second connecting plate; 911. first sealing portion; 912. second sealing portion; 913. step surface.

[0042] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0043] The multimedia teaching all-in-one machine is a multifunctional interactive teaching device that integrates a projector, a projection screen, an electronic whiteboard and other devices. Since the multimedia teaching all-in-one machine is more in line with modern teaching, the multimedia teaching all-in-one machine is widely used. Generally, the multimedia teaching all-in-one machine includes an upper frame, a lower frame, two side frames, a display screen and a circuit board. The two side frames are connected between the upper frame and the lower frame. The upper frame, the lower frame and the two side frames enclose a window area for accommodating the display screen. Since the glass of the display screen needs to have an avoidance angle during processing, when the display screen is installed in the window area, a hollow area located on the front of the display screen is formed at the corner connection of the lower frame and the side frame. The circuit board is set to realize the touch function of the display screen, and the circuit board is set in the frame. In the related art, in order to prevent external liquid from entering the frame and causing a short circuit in the circuit board, a drainage groove is usually set on the lower frame to drain the liquid on the front of the display screen to prevent the liquid from flowing into the frame. However, in actual use, the liquid does not flow along the drainage groove, but flows into the frame along the hollow area, which may cause a short circuit in the circuit board and affect the normal use of the multimedia teaching all-in-one machine.

[0044] Therefore, the embodiment of the present application provides a display device, including a display screen and a frame structure, the frame structure includes a frame, a circuit board assembly and two first seals, the frame defines a window area set to set the display screen, and the circuit board assembly is set in the frame; the frame includes a lower frame located below the display screen and two side frames located on the sides of the display screen, the bottom of one side frame is connected to an end of the lower frame, and each side frame and the lower frame The connection forms a first hollow area located on the front of the display screen, and a first seal is provided in a first hollow area. In the embodiment of the present application, the first seal is provided in the first hollow area formed at the connection between the lower frame and the side frame, which can prevent the liquid located on the front of the display screen from entering the frame through the first hollow area to a certain extent, and then can prevent the circuit board assembly from short-circuiting to a certain extent, so that the waterproof performance of the display device provided by the embodiment of the present application is better, thereby improving the overall performance of the display device provided by the embodiment of the present application.

[0045] It should be noted that the above-mentioned liquid may be water, and the display device provided in the embodiment of the present application includes but is not limited to a multimedia teaching all-in-one machine. Here, the type of the display device provided in the embodiment of the present application is not limited.

[0046] The embodiments of the present application will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0047] Please refer to Figures 1 to 5, Figure 1 is a schematic diagram of the structure of the display device provided in an embodiment of the present application, Figure 2 is a schematic diagram of the three-dimensional structure of the first partial structure of Figure 1 along the rearward direction, Figure 3 is an enlarged schematic diagram of the partial structure at A in Figure 2, Figure 4 is a schematic diagram of the structure of the second partial structure of the display device provided in an embodiment of the present application, and Figure 5 is an enlarged schematic diagram of the partial structure at B in Figure 4. Among them, Figure 1 can be understood as a view along the front direction of the display screen, and Figure 2 can be understood as a view along the back direction of the display screen. As shown in FIGS. 1 to 5 , the present embodiment provides a display device 10, including a display screen 4 and a frame structure, wherein the frame structure includes a frame 1, a circuit board assembly 2 and two first seals 3, the frame 1 defines a window area 11, and the window area 11 is configured to set the display screen 4, and the circuit board assembly 2 is disposed in the frame 1; the frame 1 includes a lower frame 12 and two side frames 13, the lower frame 12 is located below the display screen 4, the two side frames 13 are located on the sides of the display screen 4, the bottom of one side frame 13 is connected to one end of the lower frame 12, and each of the side frames 13 and the lower frame 12 The connection forms a first hollow area 5, the first hollow area 5 is located on the front of the display screen 4, and a first seal 3 is blocked in a first hollow area 5. In this way, it is possible to prevent the liquid located on the front of the display screen 4 from entering the interior of the frame 1 through the first hollow area 5 to a certain extent, and then it is possible to prevent the circuit board assembly 2 from short-circuiting to a certain extent, and the waterproof performance of the display device 10 having the above-mentioned frame structure can be improved.

[0048] It should be noted that the above-mentioned circuit board assembly 2 is a circuit board assembly configured to realize a touch function on the display screen 4 , and the structure of the circuit board assembly 2 will not be described in detail herein.

[0049] In order to form the above-mentioned window area 11, the frame 1 should also include an upper frame 14, which is arranged opposite to the lower frame 12, and the top of the side frame 13 is connected to the end of the upper frame 14. The upper frame 14, the lower frame 12 and the two side frames 13 enclose the above-mentioned window area 11.

[0050] Please continue to refer to Figures 6 to 8, Figure 6 is a schematic diagram of the structure of the third partial structure of the display device provided in the embodiment of the present application, Figure 7 is an enlarged schematic diagram of the partial structure at C in Figure 6, and Figure 8 is a schematic diagram of the three-dimensional structure of the first sealing member in the display device provided in the embodiment of the present application. In some embodiments, the first sealing member 3 includes a first sealing body 31, and the first sealing body 31 blocks the first hollow area 5, that is, the first sealing body 31 is located on the front side of the display screen 4.

[0051] In order to facilitate the installation of the first sealing body 31, it is necessary to limit the relative position between the first sealing member 3 and the frame 1. Therefore, in some embodiments, a limiting structure can be provided between the first sealing body 31 and the frame 1, and the limiting structure is provided to limit the relative position between the first sealing member 3 and the frame 1. In this way, by providing the limiting structure, the first sealing member 3 can be easily installed to improve the assembly efficiency of the frame structure, thereby improving the assembly efficiency of the display device 10 provided in this embodiment.

[0052] In order to restrict the relative position between the first sealing member 3 and the frame 1 in all directions, it is necessary to restrict the relative position between the first sealing member 3 and the frame 1 in the height direction, the width direction and the thickness direction of the display screen 4 .

[0053] Thus, in some specific embodiments, the above-mentioned limiting structure includes a first limiting structure and a second limiting structure, the first limiting structure is arranged between the first sealing body 31 and the corresponding end of the lower frame 12, the second limiting structure is arranged between the first sealing body 31 and the corresponding side frame 13, the first limiting structure is arranged to limit the relative position of the first sealing member 3 and the lower frame 12 in the height direction of the display screen 4, and the second limiting structure is arranged to limit the relative position of the first sealing member 3 and the corresponding side frame 13 in the width direction of the display screen 4. In this way, by limiting the relative position of the first sealing member 3 and the lower frame 12 in the height direction of the display screen 4, and limiting the relative position of the first sealing member 3 and the corresponding side frame 13 in the width direction of the display screen 4, the relative position between the first sealing member and the frame 1 in the height direction of the display screen 4 and the width direction of the display screen 4 can be limited.

[0054] It should be noted that the height direction of the above-mentioned display screen 4 is consistent with the zz-axis direction in Figures 1, 2, 4 and 6, and the width direction of the above-mentioned display screen 4 is consistent with the yy-axis direction in Figures 1, 2, 4 and 6.

[0055] The first limiting structure and the second limiting structure mentioned above will be described in detail below.

[0056] In some optional embodiments, the first limiting structure includes a first limiting protrusion 121 and a first extension portion 32, the first limiting protrusion 121 is formed on the lower frame 12, and the first extension portion 32 is connected to the first sealing body 31; the protruding direction of the first limiting protrusion 121 is consistent with the thickness direction of the display screen 4, and the end of the first extension portion 32 away from the first sealing body 31 abuts against the first limiting protrusion 121.

[0057] It should be noted that the thickness direction of the above-mentioned display screen 4 is consistent with the xx-axis direction in FIG. 2 , FIG. 4 and FIG. 6 .

[0058] Specifically, the circuit board assembly 2 includes a first circuit board 21, and a first accommodating cavity 122 for accommodating the first circuit board 21 is provided in the lower frame 12. The first accommodating cavity 122 has a first front side wall 123 parallel to the display surface of the display screen 4, and a first limiting protrusion 121 is formed on the first front side wall 123; the top end of the first extension portion 32 is connected to the bottom end of the first sealing body 31, and the bottom end of the first extension portion 32 abuts against the first limiting protrusion 121.

[0059] In some embodiments, in order to facilitate the formation of the first limiting protrusion 121, the first limiting protrusion 121 can be extended along the extension direction of the lower frame 12, that is, the extension direction of the first limiting protrusion 121 is consistent with the width direction of the display screen 4. It should be noted that in other embodiments, the first limiting protrusion 121 can also be a structure of other shapes, as long as the position of the first extension portion 32 can be limited, the purpose of this embodiment can be achieved. Here, other shapes of the first limiting protrusion 121 are not introduced one by one.

[0060] Furthermore, the second limiting structure includes a second limiting protrusion 131 and a second extension portion 33, the second limiting protrusion 131 is formed on the side frame 13, and the second extension portion 33 is connected to the first sealing body 31; the protruding direction of the second limiting protrusion 131 is consistent with the thickness direction of the display screen 4, and the end of the second extension portion 33 away from the first sealing body 31 abuts against the second limiting protrusion 131.

[0061] Specifically, the circuit board assembly 2 includes a second circuit board 22, which is electrically connected to the first circuit board 21. A second accommodating cavity 132 for accommodating the second circuit board 22 is provided in the side frame 13. The second accommodating cavity 132 has a second front side wall 133. The second front side wall 133 is parallel to the display surface of the display screen 4. A second limiting protrusion 131 is formed on the second front side wall 133; one end of the second extension portion 33 facing the display screen 4 is connected to the side end of the first sealing body 31, and one end of the second extension portion 33 facing away from the display screen 4 abuts against the second limiting protrusion 131.

[0062] In some embodiments, in order to facilitate the formation of the second limiting protrusion 131, the second limiting protrusion 131 can be extended along the extension direction of the side frame 13, that is, the extension direction of the second limiting protrusion 131 is consistent with the height direction of the display screen 4. It should be noted that in other embodiments, the second limiting protrusion 131 can also be a structure of other shapes, as long as the position of the second extension portion 33 can be limited, the purpose of this embodiment can be achieved. Here, other shapes of the second limiting protrusion 131 are not introduced one by one.

[0063] In some specific embodiments, in order to achieve the connection between the side frame 13 and the lower frame 12 and the connection between the side frame 13 and the upper frame 14, a connecting structure can be set between the side frame 13 and the lower frame 12, and a connecting structure can be set between the side frame 13 and the upper frame 14, and the side frame 13 and the lower frame 12 are connected together, and the side frame 13 and the upper frame 14 are connected together through the connecting structure.

[0064] The following only introduces the connection structure between the side frame 13 and the lower frame 12 . The connection structure between the side frame 13 and the upper frame 14 may refer to the connection structure between the side frame 13 and the lower frame 12 .

[0065] Please continue to refer to Figures 9 to 12. Figure 9 is a structural schematic diagram of the fourth local structure of the display device provided in an embodiment of the present application, Figure 10 is an enlarged schematic diagram of the local structure at D in Figure 9, Figure 11 is a schematic diagram of the matching relationship between the first connecting member and the second connecting member in the display device provided in an embodiment of the present application, and Figure 12 is an exploded view of Figure 11.

[0066] In combination with the previous drawings and Figures 9 to 12, in some embodiments, the side frame 13 and the lower frame 12 are connected by a connecting structure located on the back side of the display screen 4; the connecting structure includes a first connecting member 6 and a second connecting member 7, the first connecting member 6 is connected to the side frame 13 and the lower frame 12, and a partial structure of the second connecting member 7 covers the rear side of the first connecting member 6 and is connected to the first connecting member 6. Specifically, one end of the second connecting member 7 covers the back side of the first connecting member 6 and is connected to the first connecting member 6, and the other end of the second connecting member 7 passes over the first connecting member 6 and extends into the side frame 13, and the outer surface of the second connecting member 7 forms a partial outer surface of the frame 1.

[0067] The first connecting member 6 and the side frame 13, the first connecting member 6 and the lower frame 12, and the first connecting member 6 and the second connecting member 7 can all be connected in a detachable manner, such as a connection manner connected by a threaded fastener. Here, the connection manner between the first connecting member 6 and the side frame 13, the first connecting member 6 and the lower frame 12, and the first connecting member 6 and the second connecting member 7 is not specifically limited.

[0068] In some optional embodiments, the first connecting member 6 includes a connecting body 61, which is connected to the rear side of the frame 1. Specifically, the connecting body 61 includes a first connecting portion 611, a second connecting portion 612 and a third connecting portion 613 connected in sequence, the first connecting portion 611 extends along the extension direction of the side frame 13 and is connected to the back side of the side frame 13, the second connecting portion 612 is connected to one end of the second connecting member 7, and the third connecting portion 613 extends along the extension direction of the lower frame 12 and is connected to the back side of the lower frame 12.

[0069] As shown in Figure 5, a second hollow area 8 is formed at the connection between the side frame 13 and the lower frame 12. The second hollow area 8 is located in the corner area of ​​the frame 1. The second hollow area 8 is located next to the first hollow area 5. The circuit board assembly 2 also includes a flexible circuit board 23. The flexible circuit board 23 is connected between the first circuit board 21 and the second circuit board 22. The flexible circuit board 23 is located in the second hollow area 8. In order to prevent liquid from entering the interior of the frame 1 from the second hollow area 8, in some embodiments, the first connecting member 6 also includes a covering portion 62, which is connected to the connecting body 61 and extends toward the front of the display screen 4. The covering portion 62 covers the second hollow area 8, and the covering portion 62 is located on the outside of the display screen 4 and is adapted to the corner shape of the display screen 4.

[0070] Specifically, the covering portion 62 includes a first covering portion 621 and a second covering portion 622. The first covering portion 621 is connected to the front side of the first connecting portion 611, and the plate surface direction of the first covering portion 621 is consistent with the extension direction of the first connecting portion 611. The second covering portion 622 is connected to the side of the first covering portion 621, and the second covering portion 622 is connected to the front side of the second connecting portion 612. The plate surface direction of the second covering portion 622 is perpendicular to the plate surface direction of the first covering portion 621, so that a corner structure is formed between the first covering portion 621 and the second covering portion 622, which is adapted to the corner shape of the display screen 4.

[0071] Correspondingly, as shown in FIGS. 11 and 12, in order to enable the second connecting member 7 to pass over the first connecting member 6 and extend into the side frame 13, in some embodiments, the second connecting member 7 has a matching portion 71 that is matched and connected with the above-mentioned cover portion 62, and the matching portion 71 is connected to the second connecting body 72. Specifically, the second connecting body 72 includes a first connecting plate 721 and a second connecting plate 722, and the second connecting plate 722 is configured to form the outer surface of the frame 1, wherein the first connecting plate 721 is connected to the second connecting portion 612, and the second connecting plate 722 forms At the corner of the outer surface of the frame 1; the mating part 71 includes a first mating plate 711 and a second mating plate 712, the first mating plate 711 is connected to the second connecting plate 722, the plate surface direction of the first mating plate 711 is consistent with the plate surface direction of the first covering part 621, and the first mating plate 711 is attached to the outer side of the first covering part 621; the second mating plate 712 is connected to the side of the first mating plate 711, the plate surface direction of the second mating plate 712 is consistent with the plate surface direction of the second covering part 622, and the second mating plate 712 is attached to the outer side of the second covering part 622.

[0072] In order to enable the end of the second connecting member 7 to extend into the side frame 13, in this embodiment, the mating portion 71 also includes a third mating plate 713, which is connected between the first mating plate 711 and the second mating plate 712. The third mating plate 713 is blocked at the front end of the covering portion 62 and extends into the side frame 13.

[0073] In some optional embodiments, in order to enhance the structural strength of the second connector 7, the above-mentioned mating portion 71 may further include a reinforcing rib 714, and the reinforcing rib 714 is disposed between the first mating plate 711 and the third mating plate 713. In this way, the strength of the mating portion 71 can be enhanced by the provision of the reinforcing rib 714, so as to further enhance the structural strength of the second connector 7 in this embodiment.

[0074] It should be noted that, in order to further improve the strength of the matching portion 71, the above-mentioned reinforcing ribs 714 can be multiple, and the multiple reinforcing ribs 714 are arranged at intervals. Here, the number of the reinforcing ribs 714 is not limited.

[0075] Please continue to refer to Figure 13, which is a schematic diagram of the matching relationship between the first connector and the first seal in the display device provided in the embodiment of the present application. As shown in Figures 3, 8 and 13, it can be understood that the first connector 6 is mostly a plastic part, so it is impossible to effectively seal the corner of the display screen 4. Therefore, in some optional embodiments, the first seal 3 also includes a third extension 34, which is connected to the first sealing body 31 and extends toward the back of the display screen 4, and the third extension 34 is located between the cover part 62 and the corner of the display screen 4; the third extension 34 is attached to the side of the cover part 62 facing the window area 11, and the contour shape of the third extension 34 is adapted to the contour shape of the cover part 62. In this way, by setting the third extension part 34, the third extension part 34 will be located between the corner of the display screen 4 and the cover part 62. When the frame structure is assembled, the display screen 4 and the cover part 62 will form a clamping force on the third extension part 34, so that the third extension part 34 can seal the display screen 4 and the cover part 62, which can prevent liquid from entering the interior of the frame 1 from the second hollow area 8 to a certain extent, so that the display screen 4 can be touched normally.

[0076] When assembling the frame structure, the upper frame 14, the two side frames 13 and the lower frame 12 should first be connected together through the connecting structure, and then the first seal 3 should be pressed. Since the installation direction of the first seal 3 is from front to back, it is necessary to limit the relative position between the third extension part 34 located on the rear side of the first seal 3 and the first connecting member 6.

[0077] Therefore, in some embodiments, a limiting surface 623 may be formed on the cover portion 62, and one end of the third extension portion 34 away from the first sealing body 31 abuts against the limiting surface 623, that is, the rear end of the third extension portion 34 abuts against the limiting surface 623. In this way, by providing the limiting surface 623, the relative position between the third extension portion 34 and the first connecting member 6 can be limited, so as to limit the installation position of the first sealing member 3, thereby improving the assembly efficiency of the frame structure, and further improving the assembly efficiency of the display device 10 provided in this embodiment.

[0078] It should be noted that the above-mentioned limiting surface 623 may be parallel to the display surface of the display screen 4. Here, the extending direction of the limiting surface 623 is not specifically limited.

[0079] Please continue to refer to Figures 14 to 17. Figure 14 is a schematic diagram of the structure of the fifth partial structure of the display device provided in the embodiment of the present application, Figure 15 is an enlarged schematic diagram of the partial structure at E in Figure 14, Figure 16 is a cross-sectional view of Figure 1 along the FF direction, and Figure 17 is an enlarged schematic diagram of the partial structure at G in Figure 16. It should be noted that the setting of the first seal 3 can only prevent water located on the front of the display screen 4 from entering the frame 1, and in order to prevent water located on the back of the display screen 4 from entering the frame 1 to a certain extent, the frame structure can also include a second seal 9, and the second seal 9 is located on the back of the display screen 4; the second seal 9 is attached to the side of the cover portion 62 facing the window area 11, one end of the second seal 9 is abutted against the back of the display screen 4, and the other end of the second seal 9 extends toward the connecting body 61. In this way, the setting of the second seal 9 can prevent liquid from entering the frame 1 from the back of the display screen 4 to a certain extent.

[0080] Specifically, the second sealing member 9 includes a second sealing body 91, the contour of which is adapted to the contour of the cover portion 62; and the size of the second sealing body 91 is larger than the size of the cover portion 62, so that the second sealing body 91 abuts against the lower frame 12 and the side frame 13. In this way, it is convenient to install the second sealing member 9. For example, in some embodiments, the second sealing member 9 can be bonded between the side frame 13 and the lower frame 12.

[0081] In a specific implementation of this embodiment, the second sealing body 91 includes a first sealing portion 911 and a second sealing portion 912, the second sealing portion 912 is connected to the rear side of the first sealing portion 911, the first sealing portion 911 abuts against the display screen 4, and the overall thickness of the first sealing portion 911 is greater than the overall thickness of the second sealing portion 912, so as to form a step surface 913 between the first sealing portion 911 and the second sealing portion 912.

[0082] In order to prevent the second sealing member 9 from being deformed when it is installed, in some embodiments, a plurality of reinforcing portions 92 are provided on the side of the second sealing body 91 away from the sealing cover portion 62; the plurality of reinforcing portions 92 are distributed at intervals along the extension direction of the first sealing body 31. In this way, the provision of the reinforcing portions 92 can enhance the strength of the second sealing member 9, so as to prevent the second sealing member 9 from being excessively deformed when it is installed.

[0083] Specifically, one end of the reinforcing portion 92 is connected to the step surface 913, and the other end of the reinforcing portion 92 extends obliquely toward the second sealing portion 912. Here, the shape of the reinforcing portion 92 is not specifically limited.

[0084] It should be noted that, in some embodiments, the first sealing member 3 and the second sealing member 9 may both be made of silicone. Here, the material of the first sealing member 3 and the second sealing member 9 is not specifically limited.

[0085] Furthermore, the display device 10 provided in this embodiment should also include other components or modules that enable the display device 10 to be used normally. Other components or modules are not introduced one by one here.

[0086] Please refer to Figures 18 and 19, Figure 18 is a schematic diagram of the structure of the sixth partial structure of the display device provided in the embodiment of the present application, and Figure 19 is a schematic diagram of the partial structure at H in Figure 18. In order to prevent liquid from flowing in from the joint between the display screen 4 and the frame structure, in some embodiments, a sealing foam 20 is provided at the joint between the display screen 4 and the frame structure. In this way, by providing the sealing foam 20, it is possible to prevent liquid from entering the interior of the frame 1 from the gap generated between the display screen 4 and the frame structure.

[0087] In some specific implementations, the sealing foam 20 is coated on the outer edge of the display screen 4. Here, the shape of the sealing foam 20 is not specifically limited.

[0088] The display device provided in this embodiment includes a display screen and a frame structure, wherein the frame structure includes a frame, a circuit board assembly and two first seals, the frame defines a window area for setting the display screen, and the circuit board assembly is set in the frame; the frame includes a lower frame located below the display screen and two side frames located on the sides of the display screen, the bottom of one of the side frames is connected to an end of the lower frame, and each of the connections between the side frames and the lower frame forms a first hollow area located on the front of the display screen, and a first seal is set in the first hollow area. In this embodiment, the first seal is set in the first hollow area formed at the connection between the lower frame and the side frame, which can prevent the liquid on the front of the display screen from entering the frame through the first hollow area to a certain extent, and then can prevent the circuit board assembly from short-circuiting to a certain extent, so that the waterproof performance of the display device provided in this embodiment is better, thereby improving the overall performance of the display device provided in this embodiment.

[0089] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0090] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

A display device, wherein It comprises a display screen and a frame structure; the frame structure comprises a frame, a circuit board assembly and two first seals, the frame defines a window area for setting the display screen, and the circuit board assembly is arranged in the frame; the frame comprises a lower frame located below the display screen and two side frames located on the sides of the display screen, the bottom of one side frame is connected to one end of the lower frame, and each connection between the side frame and the lower frame forms a first hollow area located on the front side of the display screen, and the first seal blocks the first hollow area. The display device according to claim 1, wherein The first sealing member comprises a first sealing body, and the first sealing body seals the first hollow area; a limiting structure is provided between the first sealing body and the frame, and the limiting structure is configured to limit the relative position between the first sealing member and the frame. The display device according to claim 2, wherein The limiting structure includes a first limiting structure, which is arranged between the first sealing body and the lower frame; the first limiting structure is arranged to limit the relative position of the first sealing member and the lower frame in the height direction of the display screen. The display device according to claim 3, wherein The first limiting structure includes a first limiting protrusion formed on the lower frame and a first extending portion connected to the first sealing body; the protruding direction of the first limiting protrusion is consistent with the thickness direction of the display screen, and one end of the first extending portion away from the first sealing body abuts against the first limiting protrusion. The display device according to claim 2, wherein The limiting structure also includes a second limiting structure, which is arranged between the first sealing body and the side frame; the second limiting structure is arranged to limit the relative position of the first sealing member and the side frame in the width direction of the display screen. The display device according to claim 5, wherein: The second limiting structure includes a second limiting protrusion formed on the side frame and a second extending portion connected to the first sealing body; the protruding direction of the second limiting protrusion is consistent with the thickness direction of the display screen, and an end of the second extending portion away from the first sealing body abuts against the second limiting protrusion. The display device according to claim 2, wherein The side frame and the lower frame are connected via a connecting structure located on the back side of the display screen; the connecting structure includes a first connecting member, the first connecting member includes a connecting body and a covering portion, the connecting body is connected to the rear side of the frame, and the connection between the side frame and the lower frame forms a second hollow area located in the corner area of ​​the frame, and the second hollow area is located next to the first hollow area; the covering portion is connected to the connecting body and extends toward the front side of the display screen, the covering portion covers the second hollow area, and the covering portion is located outside the display screen and adapted to the corner shape of the display screen. The display device according to claim 7, wherein: The first sealing member also includes a third extension portion, which is connected to the first sealing body and extends toward the back of the display screen, and the third extension portion is located between the cover portion and the corner of the display screen; the third extension portion is attached to a side of the cover portion facing the window area, and the contour shape of the third extension portion is adapted to the contour shape of the cover portion. The display device according to claim 8, wherein A limiting surface is formed on the sealing cover portion, and an end of the third extending portion away from the first sealing body abuts against the limiting surface. The display device according to claim 8, wherein The frame structure also includes a second seal located on the back of the display screen; the second seal is attached to the side of the cover portion facing the window area, one end of the second seal abuts against the back of the display screen, and the other end of the second seal extends toward the connecting body. The display device according to claim 10, wherein The second sealing member includes a second sealing body, the contour shape of which is adapted to the contour shape of the cover portion; the size of the second sealing body is larger than the size of the cover portion so that the second sealing body abuts against the lower frame and the side frame. The display device according to claim 11, wherein A plurality of reinforcing parts are provided on a side of the second sealing body away from the sealing cover part; the plurality of reinforcing parts are distributed at intervals along the extending direction of the first sealing body. The display device according to claim 1, wherein Sealing foam is provided at the connection between the display screen and the frame structure.