Portable foldable LED display screen

Abstract

The utility model provides a portable foldable LED display screen which comprises a first foldable display module, a second foldable display module and a second hinge, the first foldable display module and the second foldable display module both comprise a plurality of fixing frames, first hinges connected between the adjacent fixing frames and display screens installed on the fixing frames, and the second hinge is respectively connected with the fixing frames of the first folding display module and the second folding display module. According to the portable foldable LED display screen, the fixing frame of the first foldable display module and the fixing frame of the second foldable display module are folded, and the first foldable display module and the second foldable display module which are folded are folded through the second hinge; the outer side face of the basic side of the first folding display module is flush with the outer side face of the basic side of the second folding display module, so that the size of the LED display screen is reduced, a user can conveniently carry the LED display screen when going out, carrying is more convenient, and amateur entertainment life is enriched.

Description

TECHNICAL FIELD

[0001] The utility model relates to screen display technical field, especially portable foldable LED display screen. BACKGROUND

[0002] With the development and progress of science and technology, LED display technology develops rapidly, and LED display screens are widely used in mobile stages, temporary exhibitions, outdoor activities and the like. In order to ensure flatness, the LED display screen in the prior art usually adopts a firm frame, which leads to a large volume and heavy weight, and needs special transport tools and multiple people to carry, thereby increasing logistics cost and operation complexity and being inconvenient to carry.

[0003] Therefore, it is necessary to provide a portable foldable LED display screen to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a portable foldable LED display screen, and solve the problem of large volume and inconvenience to carry of the LED display screen in the prior art.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a portable foldable LED display screen comprises:

[0006] The first folding display module and the second folding display module each comprise a plurality of fixing frames, a first hinge connected between adjacent fixing frames, and a display screen mounted on each fixing frame; the first folding display module and the second folding display module are placed side by side, and the first folding display module and the second folding display module are opened relative to each other when unfolded.

[0007] The second hinge is connected to the fixing frame on the base side of the first folding display module and the second folding display module; after the first folding display module and the second folding display module are folded through the second hinge, the stacking side of the first folding display module and the stacking side of the second folding display module are attached, and the base side of the first folding display module and the base side of the second folding display module are exposed and parallel.

[0008] In the utility model, the first folding display module and the second folding display module are both multilayer folding display modules, and the number of folding layers of the first folding display module and the second folding display module is the same or different.

[0009] In the utility model, the multilayer folding display module comprises a double folding display module, a triple folding display module and a quadruple folding display module.

[0010] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0011] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0012] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0013] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0014] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0015] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0016] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0017] The utility model discloses a second hinge is provided with a plurality of fixed columns, and the fixed column of second hinge is provided with a circular protrusion, and the circular protrusion is provided with a through slot.

[0018] The size of the display screen is one of 150mm*337.5mm, 320mm*160mm, 250mm*250mm, 480mm*320mm, 150mm*168.75mm and 250mm*500mm.

[0019] The size of the display screen when the first folding display module and the second folding display module are unfolded is 30 inches to 300 inches.

[0020] In the utility model, the fixing frame is made of metal material or carbon fiber material.

[0021] In the utility model, one end of the display screen is provided with a magnet which is magnetically attracted to the fixing frame, and the other end of the display screen is screw-connected to the fixing frame.

[0022] In the utility model, the rear side of the display screen is provided with a magnet, a placing groove and a fixing piece for fixing the magnet, the fixing piece comprises a screw rod and a mounting frame which is connected to one end of the screw rod and made of iron, the magnet is fixed in the mounting frame, and the mounting frame is fixed in the placing groove through the screw rod.

[0023] In the utility model, the fixing frame is further provided with an avoiding groove for avoiding components on the display screen.

[0024] In the utility model, the signal line and the power line of the display screen are located on the inner side or the outer side of the display screen.

[0025] In the utility model, the weight of the first folding display module and the second folding display module is 3.5kg-40kg.

[0026] Compared with the prior art, the portable foldable LED display screen has the beneficial effects that: the portable foldable LED display screen is folded by folding the fixing frame of the first folding display module and folding the fixing frame of the second folding display module, and the first folding display module and the second folding display module are folded through the second hinge, so that the outer side of the base side of the first folding display module and the outer side of the base side of the second folding display module are flush, thereby reducing the volume of the LED display screen, facilitating the user to carry out, carrying is more convenient, and enriching the leisure life. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following briefly introduces the drawings needed to be used in the embodiments, and the drawings in the following description are only corresponding drawings of some embodiments of the utility model.

[0028] Figure 1The utility model discloses a portable foldable LED display screen's perspective view Figure 1 .

[0029] Figure 2 The utility model discloses a portable foldable LED display screen's perspective view Figure 2 .

[0030] Figure 3 The utility model discloses a portable foldable LED display screen's plan view.

[0031] Figure 4 The utility model discloses a portable foldable LED display screen's unfolded state Figure 1 .

[0032] Figure 5 The utility model discloses a portable foldable LED display screen's unfolded state Figure 2 .

[0033] Figure 6 For Figure 5 The utility model discloses a portable foldable LED display screen's partial close -up view of A part.

[0034] Figure 7 The utility model discloses a portable foldable LED display screen's unfolded state Figure 3 .

[0035] Figure 8 The utility model discloses a portable foldable LED display screen's second hinge's perspective view.

[0036] Figure 9 The utility model discloses a portable foldable LED display screen's second hinge's perspective view.

[0037] 11, first folding display module;12, second folding display module;13, first hinge;14, second hinge;15, support leg;16, telescopic part;Handle, 17;111, display screen;112, fixing frame;141, second page board;142, first page board;1411, protruding;1412, through slot;1413, fixed plate;1414, fixed column;1121, avoiding slot;113, first fixing frame;114, second fixing frame;115, third fixing frame;116, fourth fixing frame. Specific implementation

[0038] In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present disclosure.

[0039] Unless otherwise defined, technical terms or scientific terms used herein should be understood as having the same meaning as commonly understood by one of ordinary skill in the art to which the present disclosure belongs.

[0040] The terms "first", "second", and similar terms used in the patent application specification and claims of the present disclosure do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects appearing before "include" or "contain" cover the elements or objects listed after "include" or "contain" and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right", and the like are used only to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.

[0041] The technical solutions in the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present disclosure.

[0042] The following is a preferred embodiment of a portable foldable LED display screen provided by the present utility model, which can solve the above technical problems.

[0043] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , wherein Figure 1 is a perspective view of the portable foldable LED display screen of the present utility model Figure 1 , Figure 2 is a perspective view of the portable foldable LED display screen of the present utility model Figure 2 , Figure 3The utility model discloses a portable foldable LED display screen's plan view, Figure 4 The utility model discloses a portable foldable LED display screen's unfolded state Figure 1 , Figure 5 The utility model discloses a portable foldable LED display screen's unfolded state Figure 2 .

[0044] In the drawings, similar elements are denoted by the same reference numeral.

[0045] The terms "first", "second", etc. in the utility model are only for the purpose of description, and cannot be understood as indicating or implying relative importance, and are not limited as the order.

[0046] The utility model provides a portable foldable LED display screen, including first folding display module 11 and second folding display module 12, first folding display module 11 and second folding display module 12 all include a plurality of fixed frame 112, the first hinge 13 of being connected between adjacent fixed frame 112 and the display screen 111 of being installed on each fixed frame 112, first folding display module 11 and second folding display module 12 are placed side by side, and first folding display module 11 and second folding display module 12 are opened when unfolding, second hinge 14, second hinge 14 is connected with the fixed frame 112 of first folding display module 11 and second folding display module 12 base side respectively, and Figure 3 For example, the base side is the bottom side of first folding display module 11 and second folding display module 12, and the stacking side of first folding display module 11 and the stacking side of second folding display module 12 are attached after being folded through second hinge 14, and Figure 3For example, the stacking side is the top side of the first folding display module 11 and the second folding display module 12, the base side of the first folding display module 11 and the base side of the second folding display module 12 are exposed and parallel, the first hinge 13 is used to fix the fixing frame 112 of the first folding display module 11 and the fixing frame 112 of the second folding display module 12, the fixing frame 112 can be stored or unfolded after being fixed by the first hinge 13, the fixing frame 112 is used to mount the display screen 111, the second hinge 14 is used to fix the first folding display module 11 and the second folding display screen 111, the first folding display module 11 and the second folding display module 12 can be unfolded or folded, when the first folding display module 11 is unfolded, the second folding display module 12 is unfolded, and the first folding display module 11 and the second folding display module 12 form a large screen, when the first folding display module 11 is folded, the second folding display module 12 is folded, and the first folding display module 11 and the second folding display module 12 are folded, the second hinge 14 is in an unfolded state, the outer side of the base side of the first folding display module 11 and the outer side of the base side of the second folding display module 12 are flush, in use, the first folding display module 11 and the second folding display module 12 are first opened, and then the first folding display module 11 and the second folding display module 12 are opened separately, the folding directions of the first hinge 13 and the second hinge 14 are the same, so as to form a large screen and facilitate viewing, when going out, the first folding display module 11 and the second folding display module 12 can be folded, so as to reduce the volume of the LED display screen and facilitate carrying.

[0047] The first folding display module 11 and the second folding display module 12 are both multi-layer folding display modules, on the one hand, the multi-layer folding display module can make the area of the LED display screen larger, on the other hand, the volume of the folded LED display screen is smaller, the folding layers of the first folding display module 11 and the second folding display module 12 are the same or different, the number of the first folding display module 11 and the second folding display module 12 can be adjusted according to the needs of the user to meet the needs of the user.

[0048] The multi-layer folding display module includes a double folding display module, a triple folding display module, and a quadruple folding display module, the number of the first folding display module 11 and the second folding display module 12 can be increased or decreased to meet the needs of the user, and the user can carry the modules more conveniently when the number is increased or decreased.

[0049] Please refer to Figure 8 , Figure 8The utility model discloses a portable foldable LED display screen's second hinge's perspective view, and the second hinge 14 includes first page board 142, second page board 141 and the hinge pin for the hinge of first page board 142 and second page board 141, and first page board 142 and second page board 141 all include fixed plate 1413 fixed on fixed frame 112 and the fixed column 1414 of multiple fixed plate 1413 one side and with fixed plate 1413 vertical arrangement, and the fixed column 1414 of multiple fixed column 1414 interval arrangement, and the fixed column 1414 of first page board 142 and second page board 141 cross overlap arrangement, and the hinge pin passes through the end of every fixed column 1414 away from fixed plate 1413, and first page board 142 and second page board 141 are used for fixed in the fixed frame 112 of first folding display module 11 and second folding display module 12, and fixed plate 1413 is used for with first folding display module 11 and second folding display module 12 fixed, and the hinge pin is connected in every fixed column 1414, when first folding display module 11 and second folding display module 12 fold, fixed plate 1413 follows first folding display module 11 and second folding display module 12 and moves, and in the process of moving, fixed column 1414 rotates around the hinge pin as the center, to make first folding display module 11 and second folding display module 12 unfold or accommodate.

[0050] Please refer to Figure 9 , Figure 9 The utility model discloses a portable foldable LED display screen's second page board's perspective view, and the second hinge 14 between first folding display module 11 and second folding display module 12 is provided at least two, and the fixed column 1414 of second page board 141 inside second hinge 14 still is provided with circular boss 1411, and circular boss 1411 is provided with through groove 1412, and in this embodiment, with two hinges as an example, and two second hinges 14 can make first folding display module 11 and second folding display module 12 unfold or accommodate more smoothly, and circular boss 1411 is used for processing through groove 1412, and through groove 1412 is used for clamping on the clamping plate on the wall, and can be inserted into the clamping plate to clamp on the clamping plate, to fix LED display screen on the wall, and is convenient for watching LED display screen.

[0051] The handle 17 of the first folding display module 11 and the handle 17 of the second folding display module 12 are located on the same side and are symmetrical, and after the first folding display module 11 and the second folding display module 12 are folded, the user is more convenient when moving the LED display screen, and it is not necessary to lift and carry by multiple people, and the handle 17 between the first folding display module 11 and the second folding display module 12 in the embodiment is also provided with a preset distance, and after the first folding display module 11 and the second folding display module 12 are folded, the handle 17 on the first folding display module 11 and the second folding display module 12 is the shortest, and the user can conveniently hold the two handles 17 at the same time, so that the LED display screen is conveniently carried.

[0052] The handle 17 can be folded on the fixed frame 112, and the handle 17 is located on one side of the fixed frame 112 when being folded, and the handle is located in the first folding display module 11 and the second folding display module 12 after being folded and the handle 17 is located on the inner side of the base side of the first folding display module 11 and the base side of the second folding display module 12, and when the handle 17 is not used, the handle 17 can be folded on one side of the fixed frame 112, and when the LED display screen is watched, the handle 17 is prevented from protruding to affect the watching effect of the user.

[0053] Please refer to Figure 7 , Figure 7 The unfolded state of the portable foldable LED display screen of the utility model Figure 3 The fixed frame 112 of the first folding display module 11 or the second folding display module 12 is provided with a telescopic piece 16 that can rotate on the fixed frame 112, and the telescopic piece 16 is extended to limit the folding of the adjacent fixed frame 112 in the unfolded state of the first folding display module 11 and the second folding display module 12, and the telescopic piece 16 is used for folding the first folding display module 11 and the second folding display module 12, and when the first folding display module 11 and the second folding display module 12 are unfolded, the telescopic piece 16 is extended and horizontally arranged on one side of the fixed frame 112 of the first folding display module 11 and the second folding display module 12, which is used for preventing the folding of the fixed frame 112 in the first folding display module 11 and the folding of the fixed frame 112 in the second folding display module 12, and on the other hand, it is used for placing the folding of the first folding display module 11 and the second folding display module 12.

[0054] In the embodiment, the first folding display module 11 or the second folding display module 12 is also provided with a clamping block for clamping the telescopic piece, and when the telescopic piece 16 is extended and clamped in the clamping block, the position of the telescopic piece 16 is prevented from being deviated.

[0055] The fixing frame 112 of the first folding display module 11 and the second folding display module 12 is further provided with a plurality of support legs 15 which can be turned on the fixing frame 112. When the first folding display module 11 and the second folding display module 12 are unfolded, the support legs 15 are located at the corners of the first folding display module 11 away from the second folding display module 12 and the corners of the second folding display module 12 away from the first folding display module 11. When the support legs 15 are unfolded on the fixing frame 112, the support legs 15 are perpendicular to the side of the fixing frame 112 away from the display screen 111. The support legs 15 are used to support the LED display screen or increase the height of the LED display screen. When the support legs 15 are used, the two support legs 15 on the same side of the LED display screen can support the unfolded LED display screen, so that the LED display screen is in an inclined state, which is convenient for users to watch.

[0056] The support legs are of a telescopic structure, and the telescopic support legs can extend or shorten the height of the LED display screen.

[0057] The display screen 111 of the fixing frame 112 is provided with a plurality of display screens 111. The size of the display screen 111 is one of 150mm*337.5mm, 320mm*160mm, 250mm*250mm, 480mm*320mm, 150mm*168.75mm and 250mm*500mm. When the first folding display module 11 and the second folding display module 12 are unfolded, the size of the display screen 111 is 30 inches to 300 inches. A plurality of display screens 111 of the same size can be installed on the fixing frame 112, which can be selected according to the needs of users. The effect is better when a large-size LED display screen is watched by a user.

[0058] In the embodiment, the display screen 111 is made by any one of COB, SMT and MIP processes. The COB process can realize smaller point spacing, is suitable for ultra-high-definition display requirements, and has uniform light emission, no particle feeling, high color reproduction, delicate and soft picture, etc. The SMT process can realize smaller size of LED packaging, so that the pixel spacing of the display screen 111 is smaller, which is suitable for high-definition and high-density display requirements. The MIP process makes the pixel spacing smaller, which can meet the 4K or even 8K ultra-high-definition display requirements. Through independent packaging of the lamp beads, secondary light splitting and color separation are realized, and the picture is uniform and without color deviation.

[0059] The fixing frame 112 is made of metal material or carbon fiber material. The fixing frame 112 made of metal material has high strength and rigidity, can bear large weight and pressure, and has good stability. The carbon fiber has light weight and is convenient to carry. While ensuring light weight, the carbon fiber can bear large load.

[0060] One end of the display screen 111 is provided with a magnet for magnetic attraction with the fixed frame 112, and the other end of the display screen 111 is screw-connected with the fixed frame 112, on the one hand, one end of the display screen 111 is fixed on the fixed frame 112 through the magnet, facilitating disassembly and maintenance of the display screen 111, and on the other hand, the other end of the display screen 111 is fixed on the fixed frame 112 through the screw, facilitating maintenance and preventing the display screen 111 from being separated from the fixed frame 112.

[0061] The rear side of the display screen 111 is provided with a magnet, a placing groove and a fixing piece for fixing the magnet, the fixing piece comprises a screw rod and a mounting frame connected to one end of the screw rod and made of iron, the magnet is fixed in the mounting frame, the mounting frame is fixed in the placing groove through the screw rod, the screw rod is used for fixing on the display screen, the mounting frame is fixed on the screw rod, the screw rod extends into the placing groove and is screwed on the display screen 111, so that the mounting frame is located in the placing groove, and the height of the mounting frame will not be higher than the opening of the placing groove, and finally the magnet is mounted in the mounting frame.

[0062] Please refer to Figure 5 and Figure 6 , Figure 5 the unfolded state of the portable foldable LED display screen of the utility model Figure 2 , Figure 6 is Figure 5 the enlarged view of part A in the figure, the fixed frame 112 is further provided with an avoiding groove 1121 for avoiding elements on the display screen 111, the avoiding groove 1121 is used for avoiding elements on the display screen 111, preventing the display screen 111 from being partially protruded 1411 after being installed on the fixed frame 112, and making the display screen 111 more flat when being installed on the fixed frame 112.

[0063] The signal line and the power line of the display screen 111 are located on the inner side or the outer side of the display screen 111, when the signal line and the power line are located on the inner side of the display screen 111, the appearance of the display screen 111 is more beautiful, and when the signal line and the power line are located on the outer side of the display screen 111, the display screen 111 is facilitated to be installed and maintained.

[0064] The weight of the first folding display module 11 and the second folding display module 12 is 3.5kg-40kg, the weight of the LED display screen is lighter, and the LED display screen is convenient to carry.

[0065] Working principle:

[0066] In the embodiment, the first folding display module 11 is a two-folding display module 12, comprising a first fixed frame 113 and a second fixed frame 114, the first fixed frame 113 and the second fixed frame 114 are connected through a first hinge, the second folding display module 12 is a two-folding display module, the second folding display module 12 comprises a third fixed frame 115 and a fourth fixed frame 116, the third fixed frame 115 and the fourth fixed frame 116 are connected through a first hinge, to form the first folding display module 11 and the second folding display module 12, a second hinge 14 fixes the second fixed frame 114 and the third fixed frame 115, when using the LED display screen, first, the first folding display module 11 and the second folding display module 12 are unfolded, the first folding display module 11 or the second folding display module 12 is unfolded through the second hinge 14, the third fixed frame 115 and the fourth fixed frame 116 are rotated and unfolded around the second hinge 141, the first folding display module 11 is unfolded, the first fixed frame 113 and the second fixed frame 114 are unfolded through the first hinge 13, then the third fixed frame 115 and the fourth fixed frame 116 of the second folding display module 12 are unfolded, after the first folding display module 11 and the second folding display module 12 are unfolded separately, further, the telescopic part 16 is rotated, one end of the telescopic part 16 is directed to the folding direction of the first folding display module 11 and the second folding display module 12, and the telescopic part 16 is extended, so that the length of the telescopic part 16 is extended to the folding position of each of the first fixed frame 113, the second fixed frame 114, the third fixed frame 115 and the fourth fixed frame 116, when using the LED display screen, the folding between the adjacent fixed frames 112 is prevented, so that the user has a better effect when observing the LED display screen, further, when the LED display screen is stored and carried, the telescopic part 16 is retracted and rotated, the limiting between the fixed frames 112 is released, and the first folding display module 11 and the second folding display module 12 are folded respectively, then the first folding display module 11 and the second folding display module 12 after folding are folded, the first folding display module 11 and the second folding display module 12 are rotated around the rotating shaft, so that the first folding display module 11 and the second folding display module 12 overlap, so as to reduce the volume of the LED display screen, and facilitate the user to carry.

[0067] The portable foldable LED display screen of the preferred embodiment reduces the volume of the LED display screen by folding the fixed frames of the first folding display module and the fixed frames of the second folding display module, and folding the first folding display module and the second folding display module after folding through the second hinge, so that the outer side of the base side of the first folding display module and the outer side of the base side of the second folding display module are flush, thereby reducing the volume of the LED display screen, facilitating the user to carry out, and enriching the leisure life.

[0068] To sum up, although the utility model has disclosed above with preferred embodiment, the preferred embodiment above is not used to limit the utility model, ordinary skilled in the art can make various changes and decorations without departing from the spirit and scope of the utility model, therefore the protection scope of the utility model is accurate with the range defined by claim.

Claims

1. A portable, foldable LED display screen, characterized by, The utility model relates to a folding display module, and particularly relates to a folding display module with two folding display modules. The folding display module comprises a first folding display module and a second folding display module, each of which comprises a plurality of fixed frames, a first hinge connected between adjacent fixed frames, and a display screen mounted on each fixed frame; the first folding display module and the second folding display module are placed side by side, and the first folding display module and the second folding display module are opened relative to each other when unfolded. A second hinge is connected to the fixed frame on the base side of the first folding display module and the second folding display module, respectively. When the first folding display module and the second folding display module are folded by the second hinge, the stacking side of the first folding display module and the stacking side of the second folding display module are attached, and the base side of the first folding display module and the base side of the second folding display module are exposed and parallel.

2. The portable, foldable LED display screen of claim 1, wherein, The first folding display module and the second folding display module are both multi-layer folding display modules, and the number of folding layers of the first folding display module and the second folding display module is the same or different.

3. The portable, foldable LED display screen of claim 2, wherein, The multi-layer folding display module comprises a double folding display module, a triple folding display module, and a quadruple folding display module.

4. The portable, foldable LED display screen of claim 1, wherein, The second hinge comprises a first page plate, a second page plate, and a rotating shaft for hinging the first page plate and the second page plate, the first page plate and the second page plate each comprise a fixed plate fixed to the fixed frame, and a plurality of fixed columns arranged on one side of the fixed plate and perpendicular to the fixed plate, the plurality of fixed columns are arranged at intervals, the fixed columns of the first page plate and the second page plate are arranged in cross-over and overlapping manner, and the rotating shaft passes through one end of each fixed column away from the fixed plate.

5. The portable, foldable LED display screen of claim 4, wherein, There are at least two second hinges between the first folding display module and the second folding display module, and a circular protrusion is arranged on the fixed column inside the second page plate of the second hinge, and a through slot is arranged on the circular protrusion.

6. The portable, foldable LED display screen of claim 1, wherein, The fixed frame of the first folding display module and the fixed frame of the second folding display module are each provided with a handle, and the handle of the first folding display module and the handle of the second folding display module are located on the same side and are symmetrical.

7. The portable, foldable LED display screen of claim 6, wherein, The handle can be folded on the fixed frame, and the folded handle is hidden in the first folding display module and the second folding display module, respectively.

8. The portable, foldable LED display screen of claim 1, wherein, A telescopic member that can rotate on the fixed frame is arranged on the fixed frame of the first folding display module or the second folding display module, and the telescopic member is extended to limit the folding of adjacent fixed frames when the first folding display module and the second folding display module are unfolded.

9. The portable, foldable LED display screen of claim 1, wherein, The fixing frame of the first folding display module and the second folding display module is further provided with a plurality of support legs which can be turned on the fixing frame, the support legs are located at the corners of the first folding display module away from the second folding display module and the corners of the second folding display module away from the first folding display module when the first folding display module and the second folding display module are unfolded, and the support legs are perpendicular to the side of the fixing frame away from the display screen when the support legs are unfolded on the fixing frame.

10. The portable, foldable LED display screen of claim 9, wherein, The support legs are telescopic structures.

11. The portable, foldable LED display screen of claim 1, wherein, The display screen of the fixing frame is provided with a plurality of display screens. The size of the display screen is one of 150mm*337.5mm, 320mm*160mm, 250mm*250mm, 480mm*320mm, 150mm*168.75mm and 250mm*500mm. The size of the display screen when the first folding display module and the second folding display module are unfolded is 30 inches to 300 inches.

12. The portable, foldable LED display screen of claim 1, wherein, The fixing frame is made of metal material or carbon fiber material.

13. The portable, foldable LED display screen of claim 1, wherein, One end of the display screen is provided with a magnet which is magnetically attracted to the fixing frame, and the other end of the display screen is screw-connected to the fixing frame.

14. The portable, foldable LED display screen of claim 13, wherein, The rear side of the display screen is provided with a magnet, a placing groove and a fixing member for fixing the magnet, the fixing member includes a screw rod and a mounting frame which is made of iron and connected to one end of the screw rod, the magnet is fixed in the mounting frame, and the mounting frame is fixed in the placing groove through the screw rod.

15. The portable, foldable LED display screen of claim 1, wherein, The fixing frame is further provided with an avoiding groove for avoiding components on the display screen.

16. The portable, foldable LED display screen of claim 1, wherein, The signal line and the power line of the display screen are located on the inner side or the outer side of the display screen.

17. The portable, foldable LED display screen of claim 1, wherein, The weight of the first folding display module and the second folding display module is 3.5kg-40kg.

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