CN219225820U - LED display module and LED display equipment - Google Patents

Abstract

The utility model relates to the technical field of display screens, and provides an LED display module and LED display equipment. The LED display module comprises a bottom plate, a HUB plate and an LED lamp plate which are arranged in a stacked mode; the HUB board is arranged on the bottom board; the LED lamp panel is electrically connected with the HUB board; at least one power supply arranged on the bottom plate and arranged side by side with the HUB plate; one end of the flexible connecting piece is connected to the output port of the power supply, and the other end of the flexible connecting piece is connected to the receiving port of the HUB plate. The LED display module has the advantages of simple structure and strong practicability, can effectively reduce the installation precision of a power supply, meets the compatibility of a battery and improves the installation convenience of the power supply, and meanwhile, can reduce the thickness of the LED display module, thereby being convenient for the light-weight design of the LED display module.

Description

LED display module and LED display equipment

Technical Field

The utility model relates to the technical field of display screens, in particular to an LED display module and LED display equipment.

Background

The light emitting diode (Light Emitting Diode, LED) display device is a display screen for displaying various information such as characters, images, animation and the like by controlling the display mode of a semiconductor light emitting diode, and has the characteristics of high screen brightness, high definition, flexible and changeable display function and arbitrary combination of screen body areas.

In the prior art, generally, one LED display module is only adapted to one power supply installation scheme, and as the installation environments of circuit environments of different LED display modules are mostly different for different types of power supplies, different LED display modules need to use specific power supplies, so that the compatibility of the LED display modules to the power supplies is poor.

Disclosure of Invention

The utility model provides an LED display module and LED display equipment, which are used for solving the technical defect that the LED display module in the prior art has poor compatibility with a power supply.

The utility model provides an LED display module, comprising: the base plate, the HUB plate and the LED lamp panel are arranged in a stacked mode; the HUB board is arranged on the bottom board; the LED lamp panel is electrically connected with the HUB board; further comprises:

at least one power supply arranged on the bottom plate and arranged side by side with the HUB plate; and

and one end of the flexible connecting piece is connected with the output port of the power supply, and the other end of the flexible connecting piece is connected with the receiving port of the HUB plate.

According to the LED display module provided by the utility model, the flexible connecting piece is provided with the bendable main body, the bendable main body is provided with the first connecting end and the second connecting end, the first connecting end is connected with the power output port, and the second connecting end is connected with the HUB board receiving port.

According to the LED display module provided by the utility model, the copper stud is arranged on the receiving port of the HUB board, the sleeve hole is arranged on the second connecting end of the flexible connecting piece, and the sleeve hole is sleeved with the copper stud.

According to the LED display module provided by the utility model, the thickness of the power supply is smaller than 18.5mm, the thickness of the HUB plate is smaller than 13mm, and the thickness of the power supply is larger than or equal to the thickness of the HUB plate.

According to the LED display module provided by the utility model, the LED display module comprises the power supply installation frame, the power supply installation frame comprises the crimping end and the fixing end, the crimping end is abutted with the end part of the power supply, and the fixing end is connected with the bottom plate.

According to the LED display module provided by the utility model, the positioning column is arranged on one side of the bottom plate, which faces the LED lamp panel, the threaded groove is concavely arranged on the end face of the positioning column, which faces the LED lamp panel, the fixing end of the power supply mounting frame is provided with the fixing hole, and the fastener penetrates through the fixing hole to be connected with the threaded groove.

According to the LED display module provided by the utility model, the LED display module comprises 2 power supplies, the 2 power supplies are arranged on one side of the HUB board or on two opposite sides of the HUB board along the first direction of the bottom board, and the LED display module comprises two groups of flexible connecting pieces which are respectively connected between the 2 power supplies and the HUB board.

According to the LED display module provided by the utility model, the HUB board is provided with the plurality of floating connectors, the plurality of floating connectors are distributed at intervals along the second direction of the bottom board, and the LED display module comprises a plurality of LED lamp panels which are arranged in one-to-one correspondence with the plurality of floating connectors.

According to the LED display module provided by the utility model, one side of the bottom plate, which faces the LED lamp panel, is provided with a plurality of fixing columns, the ends of the fixing columns, which are close to the LED lamp panel, are provided with magnetic pieces, the positions of the LED lamp panel, which correspond to the magnetic pieces, are provided with magnetic pieces, and gaps exist between the magnetic pieces and the magnetic pieces in the second direction of the bottom plate;

and/or, the bottom plate is towards one side interval of LED lamp plate is equipped with a plurality of spliced poles, be equipped with on the HUB board with the spliced pole corresponds the connecting hole that sets up, the spliced pole with connecting hole screw connection.

The utility model also provides LED display equipment, which comprises an LED display module, wherein the display module comprises a bottom plate, a HUB plate and an LED lamp panel which are arranged in a stacked manner; the HUB board is arranged on the bottom board; the LED lamp panel is electrically connected with the HUB board; the HUB board is provided with a bottom plate and at least one power supply, and the bottom plate is arranged on the HUB board; one end of the flexible connecting piece is connected to the output port of the power supply, and the other end of the flexible connecting piece is connected to the receiving port of the HUB plate.

The utility model provides an LED display module, which comprises a bottom plate, a HUB plate and an LED lamp panel which are arranged in a stacked manner; the HUB board is arranged on the bottom board; the LED lamp panel is electrically connected with the HUB board; at least one power supply arranged on the bottom plate and arranged side by side with the HUB plate; one end of the flexible connecting piece is connected to the output port of the power supply, and the other end of the flexible connecting piece is connected to the receiving port of the HUB plate. According to the power supply and HUB board point connection method, the flexible connecting piece is used for point connection between the power supply and the HUB board, so that the position setting of the power supply is facilitated, the requirement on the installation precision of the power supply is reduced, the convenience of power supply installation is improved, and the compatibility design of the power supply is met with greater possibility; meanwhile, the whole LED display module is divided into three structural layers, so that the stacking of the LED display modules on the thickness is reduced, the light-weight design of the LED display modules is facilitated, the overall weight of the LED display modules is reduced, the material cost is reduced, and the enterprise benefit is improved.

Drawings

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

FIG. 1 is a schematic diagram of an embodiment of an LED display module according to the present utility model;

FIG. 2 is a schematic diagram of the LED display module of FIG. 1 after going to an LED lamp panel;

FIG. 3 is an enlarged view at A in FIG. 1;

fig. 4 is an enlarged view at B in fig. 2;

FIG. 5 is a schematic view of the structure of the copper stud of FIG. 4;

FIG. 6 is an enlarged view at C in FIG. 2;

FIG. 7 is a partial cross-sectional view of the LED display module of FIG. 1;

FIG. 8 is a schematic view of the power mount of FIG. 6;

FIG. 9 is a cross-sectional view of the LED display module of FIG. 1;

fig. 10 is an enlarged view at D in fig. 9.

Reference numerals:

100. an LED display module;

110. a bottom plate; 111. positioning columns; 111a, a thread groove; 112. copper studs; 113. fixing the column; 113a, magnetic members; 114. a connecting column;

120. a power supply;

130. a HUB board; 131. a floating connector; 132. a connection hole;

140. an LED lamp panel; 141. a magnetic attraction piece;

150. a power supply mounting rack; 151. a crimping end; 152. a fixed end; 152a, fixing holes; 160. a flexible connection member;

161. bending the main body; 162. a first connection end; 163. a second connection end; 163a, trepanning.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In describing embodiments of the present utility model, it should be noted that the terms "first" and "second" are used for clarity in describing the numbering of the product components and do not represent any substantial distinction unless explicitly stated or defined otherwise. The directions of the upper and the lower are all the directions shown in the drawings. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances. Furthermore, the meaning of "plurality" is two or more. In the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally indicates that the associated object is an "or" relationship.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model provides an LED display module.

In an embodiment of the present utility model, referring to fig. 1 to 2, the LED display module 100 includes a base plate 110, a HUB plate 130 and an LED lamp panel 140 stacked; the HUB plate 130 is disposed on the bottom plate 110; the LED lamp panel 140 is electrically connected with the HUB board 130; at least one power source 120 provided on the base plate 110 and arranged side by side with the HUB plate 130; one end of the flexible connector 160 is connected to the output port of the power supply 120, and the other end is connected to the receiving port of the HUB plate 130.

Specifically, in the embodiment of the present utility model, the LED display module 100 includes a bottom plate 110, and the bottom plate 110 is disposed in a substantially flat plate shape. The LED display module 100 may further include a plurality of frames fixed to one side of the bottom plate along edges of the bottom plate, forming a space for installing components of the LED display module 100.

In an embodiment of the present utility model, the LED display module 100 includes a power source 120, a HUB board 130, and an LED light board 140. It is understood that the LED display module 100 may be a single power source 120 or a dual power source 120, or a multiple power source 120, which is not particularly limited herein. The power supply 120 and the HUB board 130 are disposed on one side of the base plate 110, and are fixedly connected to the base plate 110. The HUB plate 130 and the power supply 120 are arranged in parallel along the first direction of the bottom plate 110, namely, the structural layout of the power supply 120 is selected to be in the same structural layer as the HUB plate 130, and the two are connected in the same structural layer, so that the superposition of structural space is avoided, meanwhile, the power supply 120, the HUB and the bottom plate 110 are arranged in parallel along the first direction, the size of the HUB plate 130 is greatly reduced, and the layout of the dual power supply 120 is also satisfied. The LED lamp panel 140 covers the side of the base plate 110 where the power source 120 and the HUB plate 130 are disposed, and is connected with the frame of the base plate 110, so as to improve the structural integrity of the LED display module 100. The LED light panel 140 may include a PCB substrate, LED light beads, etc., and mainly plays a role in display. In this application, the first direction of the bottom plate 110 is a longitudinal direction or a width direction of the bottom plate 110, and the second direction is a thickness direction or a front-rear direction of the bottom plate 110. Of course, in other embodiments, the first direction may be a left-right direction, an up-down direction, or the like, and is not particularly limited herein.

The utility model provides an LED display module 100, wherein the LED display module 100 comprises a bottom plate 110, a HUB plate 130 and an LED lamp plate 140 which are arranged in a stacked manner; the HUB plate 130 is disposed on the bottom plate 110; the LED lamp panel 140 is electrically connected with the HUB board 130; at least one power source 120 provided on the base plate 110 and arranged side by side with the HUB plate 130; one end of the flexible connector 160 is connected to the output port of the power supply 120, and the other end is connected to the receiving port of the HUB plate 130. According to the method, the power supply 120 and the HUB board 130 are connected by the flexible connecting piece 160, so that the position setting of the power supply 120 is facilitated, the requirement on the installation precision of the power supply 120 is reduced, the convenience of the installation of the power supply 120 is improved, and the compatibility design of the power supply 120 is met with greater possibility; meanwhile, the whole LED display module 100 is divided into three structural layers, so that the stacking of the LED display module 100 on the thickness is reduced, the light-weight design of the LED display module 100 is facilitated, the overall weight of the LED display module 100 is reduced, the material cost is reduced, and the enterprise benefit is improved.

Referring to fig. 1, in an embodiment, the flexible connection unit 160 has a bendable main body 161, and a first connection end 162 and a second connection end 163 are disposed on the bendable main body 161, where the first connection end 162 is connected to the power source 120, and the second connection end 163 is connected to the HUB board 130. It can be appreciated that the power supply 120 and the HUB board 130 in the LED display module 100 are electrically connected by the flexible connector 160 in this embodiment, so as to increase the convenience of installation of the power supply 120, and meanwhile, the compatibility design of the power supply 120 is met with the maximum possibility, so as to improve the reliability of the electrical connection between the power supply 120 and the HUB board 130.

In one embodiment, the thickness of the power supply 120 is less than 18.5mm, the thickness of the HUB plate 130 is less than 13mm, and the thickness of the power supply 120 is greater than or equal to the thickness of the HUB plate 130. Optionally, the power supply 120 includes a thickness of 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm, 13.5mm, 14mm, 14.5mm, 15.5mm, 16mm, 16.5mm, 17mm, 17.5mm, 18mm, or 18.5mm, and the like, and may be set according to the thickness of the HUB board 130 and actual requirements. The HUB plate 130 includes a thickness of 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm, etc., and the thickness of the HUB plate may be set according to the thickness of the power supply 120 and actual requirements. In this application, the power supply 120 and the HUB plate 130 are disposed in the same structural layer side by side, so as to reduce the internal gap of the LED display module 100, improve the structural compactness of the LED display module 100 and protect the HUB plate 130, and in this embodiment, the thickness of the power supply 120 is set to be greater than or equal to the thickness of the HUB plate 130, and the thicknesses of the two are selected to be close to each other.

Referring to fig. 1, 6 and 8, according to some embodiments of the present utility model, the LED display module 100 includes a power supply mount 150, the power supply mount 150 includes a press-fit end 151 and a fixed end 152, the press-fit end 151 is abutted with an end of the power supply 120, and the fixed end 152 is connected with the base plate 110. So, this application is through setting up power mounting bracket 150, realizes that power 120 is connected through between power mounting bracket 150 and the bottom plate 110, because the battery mounting bracket is fixed power 120 through the form of crimping, power mounting bracket 150 and power 120 are through the structural mounting of upper and lower floor for be not being limited by power 120's overall dimension between the structural position of power 120 and bottom plate 110, thereby promote the compatibility ability of bottom plate 110 to different power 120, the satisfied compatibility expansibility of bigger possibility.

Referring to fig. 7, according to some embodiments of the present utility model, a positioning post 111 is disposed on a side of the base plate 110 facing the LED lamp panel 140, a screw groove 111a is concavely disposed on an end surface of the positioning post 111 facing the LED lamp panel 140, a fixing hole 152a is disposed on a fixing end 152 of the power supply mounting frame 150, and a fastener is connected to the screw groove 111a through the fixing hole 152 a. It can be appreciated that in order to reduce the influence of the thickness of the bottom plate 110 and the fixing manner of the power supply 120, the positioning column 111 is disposed on one side of the bottom plate 110 facing the LED lamp panel 140 in this embodiment, so as to improve the structural strength of the bottom plate 110, thereby facilitating the installation between the power supply mounting frame 150 and the bottom plate 110, and solving the problem that the thickness of the bottom plate 110 is too thin to install and fix the power supply mounting frame 150 by screws.

Referring to fig. 1 and 2, according to some embodiments of the present utility model, the LED display module 100 includes 2 power sources 120,2 power sources 120 arranged on one side of the HUB plate 130 or on opposite sides of the HUB plate 130 along a first direction of the bottom plate 110, and the LED display module 100 includes 2 sets of flexible connectors 160,2 and a set of flexible connectors 160 connected between the 2 power sources 120 and the HUB plate 130. Specifically, the 2 sets of flexible connectors include 4 flexible connectors. Optionally, the LED display module 100 may include 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10 power sources 120, and the number of the power sources 120 may be set according to the LED light panel 140 or design requirements, and in this embodiment, the LED display module 100 includes 2 power sources 120 as an example, and other embodiments may be implemented with reference to this embodiment. One of the two power supplies 120 is selected as a backup energy source, and the power support can be provided in case of emergency, so that the product can work normally without influencing the use, and the normal operation of the LED display module 100 is ensured. Specifically, the two power supplies 120 may be arranged on one side of the HUB board 130, or the two power supplies 120 may be arranged on two sides of the HUB board 130 separately, so as to improve the space utilization of the bottom board 110 and achieve miniaturization of the LED display module 100.

Referring to fig. 3-5, according to some embodiments of the present utility model, a plurality of copper studs 112 are provided on the HUB plate 130, and a socket is provided on the second connection end 163 of the flexible connection member 160, and the socket is sleeved with the copper studs 112. It will be appreciated that the connection between the power supply 120 and the HUB plate 130 uses the copper stud 112 for transitional connection, and the copper stud 112 in the form of a large-sized disc can increase the effective contact area of the electrical connection while satisfying the connection, thereby improving the reliability of the connection between the power supply 120 and the HUB plate 130.

Referring to fig. 1 to 3, according to some embodiments of the present utility model, a plurality of floating connectors 131 are disposed on a HUB board 130, the plurality of floating connectors 131 are arranged at intervals along a second direction of a bottom board 110, and an LED display module 100 includes a plurality of LED light panels 140, where the plurality of LED light panels 140 are disposed in one-to-one correspondence with the plurality of floating connectors 131. Specifically, in this embodiment, the LED display module 100 includes 4 LED light panels 140, and the 4 LED light panels 140 are arranged in parallel along the second direction of the bottom plate 110, and 4 corresponding floating connectors 131 are disposed on the HUB board 130, so that the HUB board 130 is connected with the LED light panels 140 through the floating connectors 131. The embodiment adopts the 1x4 LED lamp panel 140 splicing scheme, reduces the cross gap of the whole screen splicing, improves the aesthetic property of the LED display module 100, and improves the utilization rate of the HUB board 130 to the greatest extent by the arrangement of the floating connector 131, so that the connection can be satisfied, and the cost of the HUB board 130 is reduced.

Referring to fig. 9 and 10, referring to some embodiments of the present utility model, a plurality of fixing posts 113 are disposed on a side of the base plate 110 facing the LED lamp panel 140, a magnetic member 113a is disposed at an end of the plurality of fixing posts 113 near the LED lamp panel 140, a magnetic member 141 is disposed at a position of the LED lamp panel 140 corresponding to the magnetic member 113a, and a gap exists between the magnetic member 141 and the magnetic member 113a in a second direction of the base plate 110. In this embodiment, the magnetic member 113a and the magnetic member 141 are provided to connect the bottom plate 110 and the LED lamp panel 140, so that on one hand, the connection of the bottom plate 110 and the LED lamp panel 140 by using a connection mode such as a screw can be avoided, and thus, the installation of the bottom plate 110 and the LED lamp panel 140 is simplified, and meanwhile, the problem of safety caused by the screw being lost or falling into the bottom plate 110 can be prevented. On the other hand, the attraction force of the magnetic piece 113a to the magnetic piece 141 can be generated in a non-contact manner, so that the magnetic piece and the magnetic piece are in a non-contact state after being mounted, the flatness of the contact surface of the LED lamp panel 140 and the bottom plate 110 is ensured, the display effect of the LED lamp panel 140 is improved, and the requirement on the machining precision of the fixed column 113 is reduced. Furthermore, the magnetic member 113a and the magnetic member 141 are provided to connect the bottom plate 110 and the LED lamp panel 140, so that the space required for installing the connecting member for installing the bottom plate 110 and the LED lamp panel 140 can be reduced, and the utilization rate of the space inside the bottom plate 110 can be further improved.

Referring to fig. 2 and 3, according to some embodiments of the present utility model, a plurality of connection posts 114 are provided at intervals on a side of the base plate 110 facing the LED lamp panel 140, and connection holes 132 are provided on the hub plate 130 corresponding to the connection posts 114, and the connection posts 114 are screw-coupled with the connection holes 132. Specifically, in this embodiment, 8 connection posts 114 are disposed on the bottom plate 110 at intervals, one end of each connection post 114 is connected to the bottom plate of the bottom plate 110, a screw hole is disposed at the end of the other end, and a connection hole 132 is disposed at a position of the HUB plate 130 opposite to the connection post 114. During installation, the connection hole 132 and the connection column 114 are precisely positioned and then fastened by using a screw, so that the stability of connection between the HUB plate 130 and the bottom plate 110 is improved.

The utility model also provides an LED display device, which comprises an LED display module 100, wherein the specific structure of the LED display module 100 refers to the embodiment, and the LED display device adopts all the technical schemes of all the embodiments, so that the LED display device at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.

In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. An LED display module, comprising: the base plate, the HUB plate and the LED lamp panel are arranged in a stacked mode; the HUB board is arranged on the bottom board; the LED lamp panel is electrically connected with the HUB board; further comprises:

at least one power supply arranged on the bottom plate and arranged side by side with the HUB plate; and

and one end of the flexible connecting piece is connected with the output port of the power supply, and the other end of the flexible connecting piece is connected with the receiving port of the HUB plate.

2. The LED display module of claim 1, wherein the flexible connector has a bendable main body, a first connection end and a second connection end are provided on the bendable main body, the first connection end is connected with the power outlet, and the second connection end is connected with the HUB board receiving port.

3. The LED display module of claim 2, wherein a copper stud is disposed on the receiving opening of the HUB plate, and a socket is disposed on the second connection end of the flexible connection member, and the socket is sleeved with the copper stud.

4. The LED display module of claim 1, wherein the thickness of the power supply is less than 18.5mm, the thickness of the HUB plate is less than 13mm, and the thickness of the power supply is greater than or equal to the thickness of the HUB plate.

5. The LED display module of any one of claims 1-4, wherein the LED display module comprises a power mount including a crimped end and a fixed end, the crimped end abutting an end of the power source, the fixed end being connected to the base plate.

6. The LED display module assembly of claim 5, wherein a positioning column is arranged on one side of the bottom plate facing the LED lamp panel, a thread groove is concavely arranged on the end face of the positioning column facing the LED lamp panel, a fixing hole is arranged on the fixing end of the power supply mounting frame, and a fastener penetrates through the fixing hole to be connected with the thread groove.

7. The LED display module of claim 1, wherein the LED display module comprises 2 power sources, the 2 power sources are arranged on one side of the HUB board or on opposite sides of the HUB board along a first direction of the bottom board, the LED display module comprises 2 groups of flexible connectors, and the 2 groups of flexible connectors are respectively connected between the 2 power sources and the HUB board.

8. The LED display module according to any one of claims 1 to 4, wherein a plurality of floating connectors are provided on the HUB board, the plurality of floating connectors are arranged at intervals along the second direction of the bottom board, and the LED display module comprises a plurality of LED lamp panels, and the plurality of LED lamp panels are arranged in one-to-one correspondence with the plurality of floating connectors.

9. The LED display module according to any one of claims 1 to 4, wherein a plurality of fixing columns are arranged on one side of the bottom plate facing the LED lamp panel, a magnetic part is arranged at the end part, close to the LED lamp panel, of each fixing column, a magnetic attraction part is arranged at the position, corresponding to the magnetic part, of each LED lamp panel, and a gap exists between the magnetic attraction part and the magnetic part in the second direction of the bottom plate;

and/or, the bottom plate is towards one side interval of LED lamp plate is equipped with a plurality of spliced poles, be equipped with on the HUB board with the spliced pole corresponds the connecting hole that sets up, the spliced pole with connecting hole screw connection.

10. An LED display device comprising an LED display module according to any one of claims 1-9.

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