Display screen

Abstract

The invention provides a display screen. The display screen comprises a display module, a rear cover and a connecting board card. Wherein the display module comprises a bottom shell and a lamp panel arranged on the bottom shell, the lamp panel is fixed on the bottom shell, and an inserting part on the lamp panel can be in butt joint with a connecting part on a circuit board in the connecting board card, so that the lamp panel is electrically connected with the circuit board. By means of the arrangement, the lamp panel can be integrally assembled on the bottom shell, compared with splicing connection of small lamp panels, the structural form of integral connection of the lamp panel and the bottom shell not only simplifies the production process and reduces the production cost, but also avoids the display problems of black lines, bright lines and the like generated when the small lamp panels are spliced, and the display effect of the display screen is guaranteed. Moreover, the lamp panel is fixed on the bottom shell, and the insertion part can be in butt joint with the connecting part, so that the electric connection between the lamp panel and the circuit board can be realized, the overall structural form of the display screen is further simplified, the processing cost is reduced, and the overall cost performance and the product competitiveness of the display screen are effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of display devices, and in particular to a display screen. Background Art

[0002] At present, the display screen module usually uses a small PCB light board, and the power supply and receiving card are assembled in the box. After the module is transported to the installation site, several boxes are assembled and installed at the installation site. Such a box structure is complex and the processing and manufacturing cost is high, which makes the overall cost performance of the display screen low and the product competitiveness is limited. Summary of the invention

[0003] One object of the present invention is to solve the technical problems in the prior art that the box structure of the display screen is complex, the processing and manufacturing cost is high, the overall cost performance of the display screen is not high, and the product competitiveness is limited.

[0004] In order to solve the above technical problems, the present invention provides a display screen, comprising:

[0005] The display module comprises a bottom shell and a light board arranged on the bottom shell; the light board can emit light, the surface of the light board facing away from the bottom shell is a display surface, and the surface of the light board facing the bottom shell is provided with a plug-in portion;

[0006] A rear cover connected to a side of the bottom shell away from the light board, wherein the space between the rear cover and the bottom shell forms an installation space;

[0007] A connecting board is arranged in the installation space; the connecting board includes a circuit board and a connecting portion arranged on the circuit board, and the connecting portion can be docked and connected with the plug-in portion to form an electrical connection, so that the light board is electrically connected to the circuit board.

[0008] In some embodiments of the present application, the connecting board also includes a power module, which is arranged on a side of the circuit board away from the connecting part, and the power module can supply power to the functional modules in the connecting board; the power module is electrically connected to the light board through the circuit board to supply power to the light board.

[0009] In some embodiments of the present application, the connecting board also includes a signal module, which is used to receive a control signal; the signal module is arranged on a side of the circuit board away from the connecting portion to be electrically connected to the light board through the circuit board.

[0010] In some embodiments of the present application, the connecting portion is a signal terminal structure, and the plug-in portion is a socket structure formed by a socket protruding from the surface of the light board; or, the connecting portion is a socket structure formed by a socket protruding from the surface of the circuit board, and the plug-in portion is a signal terminal structure;

[0011] The signal terminal structure can be plugged and fixed in the socket structure to form an electrical connection.

[0012] In some embodiments of the present application, the display surface of the light board can be divided into several independent display areas, and the surface of the light board facing away from the display surface is provided with several plug-in parts arranged one-to-one corresponding to the display areas; the connecting board card includes several connecting parts, and the multiple plug-in parts are connected to the multiple connecting parts one-to-one to form an electrical connection.

[0013] In some embodiments of the present application, the lamp board is adhesively fixed to the surface of the bottom shell; or, screw holes are provided at corresponding positions of the lamp board and the bottom shell, and screws are passed through the corresponding screw holes of the lamp board and the bottom shell to fix the lamp board to the surface of the bottom shell.

[0014] In some embodiments of the present application, the bottom shell includes an outer frame and a plurality of cross bars and vertical bars connected to the inner part of the outer frame, the plurality of cross bars and the plurality of vertical bars are cross-connected, and an open opening is formed between the connected cross bars and the vertical bars;

[0015] The circuit board is fixed on the vertical rod and / or the horizontal rod, and the connecting portion is butt-connected with the plug-in portion through the open opening.

[0016] In some embodiments of the present application, the display screen also includes a magnet connector, which is fixed to the surface of the bottom shell facing away from the light board; a notch is provided at a corresponding position of the back cover, and an end of the magnet connector is passed through the notch to be exposed on the surface of the back cover, and the magnet connector is used to be fixedly connected to an external mounting frame.

[0017] In some embodiments of the present application, the display module includes the bottom shell and at least one light board arranged on the bottom shell, and multiple light boards are spliced ​​and connected; at least one connecting part is provided on the circuit board, and multiple connecting parts are docked and connected with the plug-in parts on the multiple light boards one by one.

[0018] In some embodiments of the present application, a shell hole is provided on the bottom shell, and a cover hole is provided on the back cover at a position corresponding to the shell hole; the display screen also includes a fastener, which is passed through the corresponding shell hole and the cover hole, so that the back cover is fixed on the bottom shell.

[0019] It can be seen from the above technical scheme that the beneficial effects of the present invention are as follows: the display screen of the present invention includes a display module, a back cover and a connecting board. Among them, the display module includes a bottom shell and a light board arranged on the bottom shell, the light board is fixed on the bottom shell, and the plug-in portion on the light board can be docked with the connecting portion on the circuit board in the connecting board, so that the light board and the circuit board are electrically connected. This arrangement enables the light board to be assembled as a whole on the bottom shell. Compared with the splicing connection of small light boards, the structural form of the integral connection between the light board and the bottom shell of the present application not only simplifies the production process and reduces production costs, but also avoids display problems such as black lines and bright lines generated when small light boards are spliced, thereby ensuring the display effect of the display screen. In addition, the light board is fixed on the bottom shell, and the plug-in portion can be docked with the connecting portion to realize the electrical connection between the light board and the circuit board, which further simplifies the overall structural form of the display screen, reduces processing costs, and effectively improves the overall cost performance and product competitiveness of the display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic structural diagram of an embodiment of a display screen (backward direction) of the present invention.

[0021] Figure 2 yes Figure 1 A schematic diagram of the structure of the display screen in the forward direction (direction of the display surface) is shown.

[0022] Figure 3 yes Figure 1 An exploded view of the display is shown.

[0023] Figure 4 yes Figure 1 The display screen shown shows a schematic diagram of the structure of the module.

[0024] The accompanying drawings are described as follows: 100, display screen; 10, display module; 101, display surface; 11, bottom shell; 111, outer frame; 112, horizontal bar; 113, vertical bar; 114, opening; 115, shell hole; 116, lug; 117, fixing hole; 118, rod body hole; 12, light board; 121, plug-in part; 20, back cover; 21, cover body hole; 22, handle hole; 23, notch; 30, connecting board; 31, circuit board; 311, board body hole; 32, power interface; 33, signal interface; 40, magnet connector; 41, fixing part; 42, magnet part; 50, fastener. DETAILED DESCRIPTION

[0025] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially used for illustration purposes rather than for limiting the present invention.

[0026] In the description of the present application, it should be understood that in the embodiments shown in the drawings, the indications of directions or positional relationships (such as up, down, left, right, front and back, etc.) are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the descriptions of the positions of these elements change, the indications of these directions also change accordingly.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] See also Figures 1 to 3 In one embodiment of the present application, a display screen 100 is provided. The display screen 100 can be used independently to display an image, or multiple display screens 100 can be spliced ​​together to form a large screen for use according to usage requirements. The display screen 100 includes a display module 10, a back cover 20, and a connection board 30.

[0029] The display module 10 includes a bottom shell 11 and a light board 12 disposed on the bottom shell 11. The light board 12 can emit light, and the surface of the light board 12 facing away from the bottom shell 11 is a display surface 101, and the surface of the light board 12 facing the bottom shell 11 is provided with a plug-in portion 121. The back cover 20 is connected to the side of the bottom shell 11 facing away from the light board 12, and the gap between the back cover 20 and the bottom shell 11 constitutes an installation space. The connection board 30 is arranged in the installation space, and the connection board 30 includes a circuit board 31 and a connection portion arranged on the circuit board 31, and the connection portion can be docked and connected with the plug-in portion 121 to form an electrical connection, so that the light board 12 is electrically connected to the circuit board 31.

[0030] For the display screen 100 of the present application, compared with the splicing connection of small light boards, the structural form of the integral connection of the light board 12 and the bottom shell 11 of the present application not only simplifies the production process and reduces the production cost, but also avoids the display problems such as black lines and bright lines generated when the small light boards are spliced, thereby ensuring the display effect of the display screen 100. In addition, the light board 12 is fixed on the bottom shell 11, and the plug-in portion 121 can be connected with the connecting portion to realize the electrical connection between the light board 12 and the circuit board 31, further simplifying the overall structural form of the display screen 100, reducing the processing cost, and effectively improving the overall cost performance and product competitiveness of the display screen 100.

[0031] In some embodiments of the present application, the display module 10 includes a bottom shell 11 and a light board 12. The light board 12 can emit light when powered on, thereby realizing image display. The light board 12 is fixed to the surface of the bottom shell 11, and the surface of the light board 12 away from the bottom shell 11 is a display surface 101, which is used to display image pictures.

[0032] In some examples, a surface of the light board 12 facing away from the display surface 101 , that is, a surface of the light board 12 facing the bottom shell 11 is provided with a plug-in portion 121 , which is used to realize electrical connection of the light board 12 , thereby realizing power supply and signal communication of the light board 12 .

[0033] The plug-in portion 121 may be a socket structure formed by a socket protruding from the surface of the light board 12, or a signal terminal structure provided on the surface of the light board 12. In addition, in some examples, the plug-in portion 121 may be a contact structure provided on the surface of the light board 12, or a contact pin structure provided protruding from the surface of the light board 12.

[0034] In some embodiments of the present application, the display surface 101 of the light board 12 can be divided into a plurality of independent display areas, and a surface of the light board 12 facing away from the display surface 101 is provided with a plurality of plug-in portions 121 arranged in one-to-one correspondence with the display areas.

[0035] There is no direct electrical connection between the multiple display areas. The multiple display areas on the light board 12 are connected by signals through corresponding plug-in parts 121, so that independent control of different display areas on the light board 12 can be achieved to display different image effects in different display areas.

[0036] In some examples, the light board 12 can be evenly divided into two display areas from its center. There is no direct signal connection between the two display areas. A plug-in portion 121 is provided at the position corresponding to the two display areas on the surface of the light board 12 facing the bottom shell 11. The two plug-in portions 121 can respectively realize signal communication between the two display areas, so that the two display areas can display different image pictures.

[0037] Furthermore, if Figure 3 and Figure 4 As shown, in some embodiments of the present application, the bottom shell 11 includes an outer frame 111 and a plurality of cross bars 112 and vertical bars 113 connected inside the outer frame 111 , the plurality of cross bars 112 and the plurality of vertical bars 113 are cross-connected, and an open opening 114 is formed between the connected cross bars 112 and vertical bars 113 .

[0038] In some examples, the outer frame 111 is a rectangular frame. The vertical rods 113 are connected to the inner side walls at both ends of the length direction of the outer frame 111, and the horizontal rods 112 are connected to the inner side walls at both ends of the width direction of the outer frame 111. The vertical rods 113 and the horizontal rods 112 are vertically connected, and multiple horizontal rods 112 and multiple vertical rods 113 are cross-connected to form multiple square openings 114 inside the outer frame 111.

[0039] In this example, the light board 12 can be glued and fixed on the bottom shell 11. Glue can be provided on the back of the light board 12 and the surface of the outer frame 111 to make the light board 12 adhere to the surface of the bottom shell 11. Glue can also be provided on the surface of the vertical rod 113 and the horizontal rod 112 to further ensure the stability of the connection between the light board 12 and the bottom shell 11.

[0040] In other examples, the light board 12 may also be screwed to the bottom shell 11. Specifically, screw holes are provided at corresponding positions of the light board 12 and the bottom shell 11, and screws are passed through the corresponding screw holes of the light board 12 and the bottom shell 11 to fix the light board 12 on the surface of the bottom shell 11. When the light board 12 is connected to the bottom shell 11, the plug-in portion 121 on the back of the light board 12 is passed through the open port 114 to achieve docking connection with the connection portion on the circuit board 31.

[0041] Furthermore, if Figure 1 and Figure 3 As shown, in some embodiments of the present application, the back cover 20 is connected to the side of the bottom shell 11 away from the light board 12, and the space between the back cover 20 and the bottom shell 11 constitutes an installation space. The back cover 20 can provide protection on the back side of the light board 12 to enhance the stability of the overall structure of the display screen 100.

[0042] In some examples, the back cover 20 and the bottom shell 11 are detachably connected to facilitate the disassembly and assembly of the two, and to facilitate the replacement and maintenance of the electrical components inside the display screen 100. Specifically, the bottom shell 11 is provided with a shell hole 115, and the back cover 20 is provided with a cover body hole 21 at a position corresponding to the shell hole 115. The display screen 100 also includes a fastener 50, which is inserted into the corresponding shell hole 115 and the cover body hole 21, so that the back cover 20 is fixed to the bottom shell 11.

[0043] The fastener 50 may be a screw, the housing hole 115 may be a screw hole adapted to the screw, and the cover body hole 21 may be an open hole or a missing hole. The housing hole 115 may be provided on the outer frame 111, and the housing holes 115 are provided near the four corners of the outer frame 111. Four screws are inserted into the corresponding screw holes of the back cover 20 and the bottom shell 11 to realize the detachable connection between the back cover 20 and the bottom shell 11.

[0044] In other examples, the back cover 20 and the bottom shell 11 can also be detachably connected by docking a card block with a card slot. In addition, in other examples, the bottom shell 11 can be connected to the back cover 20 by interference fit, or can be magnetically connected to the back cover 20 by setting a magnetic attraction structure.

[0045] A handle hole 22 may be provided on the side of the rear cover 20 , and the handle hole 22 may be held by a hand to facilitate the user to carry and install the display screen 100 .

[0046] In some embodiments of the present application, the display screen 100 may further include a magnetic connector 40, which is used to realize magnetic connection of the display screen 100 on an external mounting frame. Specifically, the magnetic connector 40 is fixed to the surface of the bottom shell 11 away from the light board 12. A notch 23 is provided at a corresponding position of the back cover 20, and the end of the magnetic connector 40 is inserted into the notch 23 to be exposed on the surface of the back cover 20.

[0047] In some examples, the magnet connector 40 includes a fixing portion 41 and a magnet portion 42 disposed at an end of the fixing portion 41. A lug 116 may be disposed on the crossbar 112 of the bottom shell 11, and a fixing hole 117 is formed on the lug 116.

[0048] The fixing portion 41 is provided with an external thread, and the fixing hole 117 is provided with an internal thread adapted to the external thread. The fixing portion 41 is screwed and fixed in the fixing hole 117, and the magnet portion 42 is passed through the notch position 23 of the back cover 20 so that the magnet connector 40 is fixed on the bottom shell 11 and the end of the magnet connector 40 is exposed on the surface of the back cover 20.

[0049] In this example, the lug 116 on the crossbar 112 is arranged near the side of the outer frame 111, and the notch 23 on the back cover 20 is arranged correspondingly at the edge of the back cover 20. A plurality of magnet connectors 40 may be provided, and a plurality of lugs 116 and notches 23 are arranged correspondingly, and the plurality of notches 23 are arranged at intervals along the circumference of the back cover 20.

[0050] In some embodiments of the present application, Figure 3 and Figure 4 As shown, the display screen 100 further includes a connecting board 30. The connecting board 30 includes a circuit board 31 and a connecting portion disposed on the circuit board 31, and the connecting portion can be connected to the plug-in portion 121 to form an electrical connection, so that the light board 12 is electrically connected to the circuit board 31.

[0051] The connecting board card 30 is disposed in the installation space between the rear cover 20 and the bottom shell 11 . The connecting portion on the side of the circuit board 31 is passed through the opening 114 and docked with the plug-in portion 121 on the surface of the lamp board 12 .

[0052] In some examples, the connecting part can be a signal terminal structure, and the plug-in part 121 corresponds to a socket structure formed by a socket protruding from the surface of the lamp board 12. The signal terminal structure can be plugged and fixed in the socket structure, and docked to form an electrical connection, thereby forming an electrical connection between the lamp board 12 and the circuit board 31.

[0053] In other examples, the connection portion is a socket structure formed by a socket protruding from the surface of the circuit board 31, and the plug-in portion 121 on the circuit board 31 corresponds to a signal terminal structure. When the circuit board 31 is connected to the light board 12, the signal terminal structure can be plugged and fixed in the socket structure, thereby realizing the electrical connection between the light board 12 and the circuit board 31.

[0054] In addition, in some other examples, the connection portion on the circuit board 31 may also be a contact structure, and the plug-in portion 121 may be a contact pin structure protruding from the surface of the light board 12; or, the connection portion on the circuit board 31 may be a protruding contact pin structure, and the plug-in portion 121 may be a contact structure provided on the surface of the light board 12. The contact pin structure can be abutted and docked with the contact structure to form an electrical connection, so that the light board 12 and the circuit board 31 are electrically connected.

[0055] In some embodiments of the present application, the connection board 30 further includes a power module, which is disposed on a side of the circuit board 31 away from the connection portion, and the power module can supply power to the functional modules in the connection board 30. The power module is electrically connected to the light board 12 through the circuit board 31 to supply power to the light board 12. The power module may include components such as capacitors, resistors, and voltage converters.

[0056] In some examples, a power interface 32 may be provided on the connection board 30, and the power interface 32 is exposed on the surface of the back cover 20 to connect to an external power supply. The external power supply is electrically connected to the power module through the power interface 32 to enable the external power supply to supply power and / or charge the power module.

[0057] In some embodiments of the present application, the connection board 30 further includes a signal module, which is used to receive a control signal. The signal module is arranged on a side of the circuit board 31 away from the connection portion and is spaced apart from the power module. The signal module can be electrically connected to the light board 12 through the circuit board 31. The power module can supply power to the signal module.

[0058] The signal module is electrically connected to the light board 12, and can realize signal transmission to the light board 12 to realize signal control of the light board 12. In some examples, a signal interface 33 exposed to the surface of the back cover 20 can be set on the connection board 30, and the signal interface 33 can be connected to the signal line. The signal interface 33 realizes the electrical connection between the external signal line and the receiving module to realize signal transmission. In other examples, the signal module can also be connected to an external terminal control module, such as a mobile phone APP, a remote control, etc., to realize wireless communication control of the light board 12.

[0059] In some embodiments of the present application, a plurality of plate holes 311 are provided at intervals on the circuit board 31, and a plurality of rod holes 118 are provided at corresponding positions on the bottom shell 11. The rod holes 118 can be provided on the crossbar 112 or on the vertical bar 113. The assembly parts are passed through the corresponding plate holes 311 and rod holes 118, so that the connection board 30 is positioned and fixed on the bottom shell 11, and the connection part can be connected with the plug-in part 121 to form an electrical connection.

[0060] Among them, the assembly part can be a screw, and the board hole 311 on the circuit board 31 and the rod hole 118 on the bottom shell 11 can correspond to screw holes; or, the assembly part can be a screw, the board hole 311 on the circuit board 31 is a through opening, and the rod hole 118 on the bottom shell 11 is a screw hole adapted for the screw.

[0061] For the connection board 30 of the present application, the power module and the signal module are integrated on the circuit board 31, and the electrical connection between the power module and the signal module and the light board 12 can be achieved by docking the connection part on the circuit board 31 with the plug-in part 121 on the light board 12. This arrangement not only simplifies the overall structure of the display screen 100 and facilitates the assembly of the various components of the display screen 100, but also can omit the arrangement of the internal connection wires of the display screen 100, making the internal layout of the display screen 100 more concise, so as to provide more assembly space for other functional components.

[0062] In addition, at least one light board 12 may be disposed on the bottom shell 11 in the display module 10. Multiple light boards 12 may be spliced ​​and connected, and multiple connecting parts are correspondingly disposed on the circuit board 31, and the multiple connecting parts are docked and connected with the plug-in parts of the multiple light boards 12 one by one.

[0063] In some embodiments of the present application, the display module 10 may include a bottom shell 11 and two light boards 12 disposed on the bottom shell 11. The two light boards 12 are both fixed on the same bottom shell 11, and the two light boards 12 are spliced ​​and connected.

[0064] Correspondingly, two connecting parts are provided on the circuit board 31, and the two connecting parts are respectively connected to the plug-in part 121 on a light board 12. The display surface 101 of the display screen 100 is formed by two independent light boards 12 connected together to form a whole display. The two light boards 12 are fixed on the same bottom shell 11, making the product more integrated and simplified as a whole. No connecting mechanism is required in the middle, which not only saves production materials but also simplifies the assembly process of the production line. In addition, the two light boards 12 are positioned and assembled on the bottom shell 11, and are connected to the circuit board 31 through two connecting parts, which better ensures that there is no step difference, so that the display effect of the display screen 100 is better.

[0065] The display screen of the present application includes a display module, a back cover, and a connecting board. The display module includes a bottom shell and a light board arranged on the bottom shell, the light board is fixed on the bottom shell, and the plug-in portion on the light board can dock with the connecting portion on the circuit board in the connecting board, so that the light board and the circuit board are electrically connected. This arrangement enables the light board to be assembled as a whole on the bottom shell. Compared with the splicing connection of small light boards, the structural form of the integral connection between the light board and the bottom shell of the present application not only simplifies the production process and reduces production costs, but also avoids display problems such as black lines and bright lines generated when small light boards are spliced, thereby ensuring the display effect of the display screen. In addition, the light board is fixed on the bottom shell, and the plug-in portion can dock with the connecting portion to realize the electrical connection between the light board and the circuit board, further simplifying the overall structural form of the display screen, reducing processing costs, and effectively improving the overall cost performance and product competitiveness of the display screen.

[0066] Although the present invention has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in a variety of forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be interpreted broadly within the spirit and scope defined by the appended claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A display screen, characterized in that: include: The display module comprises a bottom shell and a light board arranged on the bottom shell; the light board can emit light, the surface of the light board facing away from the bottom shell is a display surface, and the surface of the light board facing the bottom shell is provided with a plug-in portion; A rear cover connected to a side of the bottom shell away from the light board, wherein the space between the rear cover and the bottom shell forms an installation space; A connecting board is arranged in the installation space; the connecting board includes a circuit board and a connecting portion arranged on the circuit board, and the connecting portion can be docked and connected with the plug-in portion to form an electrical connection, so that the light board is electrically connected to the circuit board.

2. The display screen according to claim 1, characterized in that: The connecting board also includes a power module, which is arranged on a side of the circuit board away from the connecting part, and the power module can supply power to the functional modules in the connecting board; the power module is electrically connected to the light board through the circuit board to supply power to the light board.

3. The display screen according to claim 1, characterized in that: The connecting board card further comprises a signal module, and the signal module is used to receive a control signal; the signal module is arranged on a side of the circuit board away from the connecting portion so as to be electrically connected to the light board through the circuit board.

4. The display screen according to claim 1, characterized in that: The connecting portion is a signal terminal structure, and the plug-in portion is a socket structure formed by a socket protruding from the surface of the lamp board; or, the connecting portion is a socket structure formed by a socket protruding from the surface of the circuit board, and the plug-in portion is a signal terminal structure; The signal terminal structure can be plugged and fixed in the socket structure to form an electrical connection.

5. The display screen according to claim 1, characterized in that: The display surface of the lamp board can be divided into several independent display areas, and the surface of the lamp board facing away from the display surface is provided with several plug-in parts arranged one-to-one corresponding to the display areas; the connecting board card includes several connecting parts, and multiple plug-in parts are connected to multiple connecting parts one-to-one to form an electrical connection.

6. The display screen according to claim 1, characterized in that: The lamp board is adhesively fixed to the surface of the bottom shell; or, screw holes are provided at corresponding positions of the lamp board and the bottom shell, and screws are passed through the corresponding screw holes of the lamp board and the bottom shell to fix the lamp board to the surface of the bottom shell.

7. The display screen according to claim 1, characterized in that: The bottom shell includes an outer frame and a plurality of cross bars and vertical bars connected to the inner part of the outer frame, the plurality of cross bars and the plurality of vertical bars are cross-connected, and an open opening is formed between the connected cross bars and the vertical bars; The circuit board is fixed on the vertical rod and / or the horizontal rod, and the connecting portion is butt-connected with the plug-in portion through the open opening.

8. The display screen according to claim 1, characterized in that: The display screen also includes a magnet connector, which is fixed to the surface of the bottom shell facing away from the light board; a notch is provided at the corresponding position of the back cover, and the end of the magnet connector is passed through the notch to be exposed on the surface of the back cover, and the magnet connector is used to be fixedly connected to an external mounting frame.

9. The display screen according to claim 1, characterized in that: The display module includes the bottom shell and at least one light board arranged on the bottom shell, and multiple light boards are spliced ​​and connected; at least one connecting part is provided on the circuit board, and multiple connecting parts are docked and connected with the plug-in parts on the multiple light boards in a one-to-one correspondence.

10. The display screen according to claim 1, characterized in that: The bottom shell is provided with a shell hole, and the back cover is provided with a cover hole at a position corresponding to the shell hole; the display screen also includes a fastener, which is passed through the corresponding shell hole and the cover hole, so that the back cover is fixed on the bottom shell.

Images