LED display screen

Abstract

The utility model provides an LED display screen, and belongs to the field of LED display screens. The technical problem to be solved is to provide an LED display screen which can be quickly spliced without the help of a box body. According to the technical scheme adopted for solving the technical problem, the lamp panel comprises a lamp panel, a plastic plate, a glass plate, a steel plate and a rear cover, positioning columns, lamp panel mounting columns and positioning pins are arranged on the lamp panel, first positioning holes and second positioning holes are formed in the plastic plate, the second positioning holes correspond to the positioning pins in a one-to-one mode, and third positioning holes, fourth positioning holes and lamp panel mounting holes are formed in the glass plate. The steel plate is provided with fifth positioning holes, sixth positioning holes and fixing holes, the fifth positioning holes correspond to the third positioning holes in a one-to-one mode, the sixth positioning holes correspond to the fourth positioning holes in a one-to-one mode, the rear cover is provided with mounting holes, and the mounting holes correspond to the fixing holes in a one-to-one mode. Edges are arranged on the periphery of the rear cover, and side mounting holes are formed in the edges; the utility model is applied to the LED display screen.

Description

Technical Field

[0001] The utility model provides an LED display screen, belonging to the technical field of LED display screens. Background Art

[0002] The LED display screen is made up of LED module units, and the COB display panel is a surface package in which the Mini LED chip is directly bonded and packaged on a substrate with a driving circuit according to the required pixel pitch. However, both the LED display screen and the COB display panel are assembled into large-size display screens through module units. Since edge light pixels are easily damaged due to bumps during the assembly process, and the assembly gap and flatness are inconsistent due to the installation reference surface or other factors, the LED display screen needs to be spliced ​​with a cabinet to assist in the splicing process. The LED module is installed on the cabinet, and the required size of the LED display screen is met through the splicing between the cabinets. At present, conventional cabinets on the market are relatively thick and heavy. For large-size LED display screens, the overall weight is large, splicing is inconvenient, and there are certain requirements for installation conditions. Utility Model Content

[0003] In order to solve the technical problem of splicing LED display screens, the utility model proposes an LED display screen, the purpose of which is to achieve fast splicing of LED display screens without the help of a cabinet by improving the hardware structure of the LED module unit or the combined connection of the hardware module and / or circuit.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: an LED display screen, including a light board, a plastic board, a glass board, a steel board and a back cover;

[0005] The lamp panel is provided with a positioning column, a lamp panel mounting column and a positioning pin;

[0006] The plastic plate is provided with a first positioning hole and a second positioning hole; the first positioning hole corresponds to the positioning column one-to-one, and the second positioning hole corresponds to the positioning pin one-to-one;

[0007] The glass plate is provided with positioning hole three, positioning hole four and lamp board mounting hole, the positioning hole three corresponds to the positioning hole one-to-one, the positioning hole four corresponds to the positioning hole two one-to-one, and the lamp board mounting hole corresponds to the lamp board mounting column one-to-one;

[0008] The steel plate is provided with a positioning hole five, a positioning hole six and a fixing hole, the positioning hole five corresponds to the positioning hole three in a one-to-one manner, and the positioning hole six corresponds to the positioning hole four in a one-to-one manner;

[0009] The rear cover is provided with mounting holes, and the mounting holes correspond to the fixing holes one by one;

[0010] The back cover is provided with edges around its periphery, the edges are provided with reinforcing ribs, and the reinforcing ribs are provided with side mounting holes.

[0011] Furthermore, the height of the positioning column is 3 mm higher than that of the plastic plate.

[0012] Furthermore, the plastic plate is a square frame structure, including an inner edge and an outer edge, and the outer edge is 1 mm away from the outer edge of the light board.

[0013] Furthermore, a communication terminal avoidance hole is also provided on the glass plate, a communication terminal is placed in the communication terminal avoidance hole, and the communication terminal is provided on the lamp board.

[0014] Furthermore, the size of the glass plate is consistent with that of the steel plate.

[0015] Furthermore, the steel plate is also provided with mounting bolt columns, on which communication hardware equipment is fixedly mounted.

[0016] Furthermore, the communication hardware device includes a receiving card, a power module and a sending card.

[0017] Furthermore, reinforcing ribs are provided inside the rear cover.

[0018] Furthermore, the thickness of the plastic plate is 5 mm.

[0019] Furthermore, the plastic plate with the light panels fixed thereon is arranged on the glass plate in an array.

[0020] The beneficial effects of the present invention compared with the prior art are as follows:

[0021] 1. The utility model can realize the splicing of LED display screens without the assistance of a box, and adopts a combination of glass and sheet metal to ensure the flatness of LED module installation and quickly complete the splicing;

[0022] 2. The utility model can make the display screen thinner, more beautiful and without black edges by splicing the LED display screen without a box. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the light board structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the plastic plate structure of the utility model;

[0026] Figure 3 This is a front view of the light board and the plastic board of the utility model being fixed together;

[0027] Figure 4 It is a side view of the light board and the plastic board of the utility model being fixed together;

[0028] Figure 5 This is a schematic diagram of the glass plate structure of the utility model;

[0029] Figure 6 This is a front view of the lamp panel, plastic panel and glass panel of the utility model being fixed together;

[0030] Figure 7 It is a side view of the lamp panel, plastic panel and glass panel of the utility model fixed together;

[0031] Figure 8 for Figure 7 A schematic diagram of the enlarged structure of part A;

[0032] Fig. 9 This is a schematic diagram of the internal structure of the rear cover of the utility model;

[0033] Fig.10 This is a schematic diagram of the structure in which the lamp panel, plastic panel, glass panel and steel panel of the utility model are fixed together;

[0034] Fig.11 It is the front view of the utility model;

[0035] Fig.12 It is a side view of the utility model;

[0036] Fig.13 It is a bottom view of the utility model;

[0037] Fig.14 for Fig.12 A schematic diagram of the enlarged structure of part B;

[0038] Fig.15 for Fig.13 A schematic diagram of the enlarged structure of the middle C part;

[0039] Fig.16 for Figure 6 A schematic diagram of the enlarged structure of the D part;

[0040] Fig.17 for Fig.10 A schematic diagram of the enlarged structure of part E in the middle;

[0041] In the figure: 1 is a light board, 2 is a plastic board, 3 is a glass board, 4 is a steel plate, 5 is a back cover, 6 is a positioning column, 7 is a light board mounting column, 8 is a positioning pin, 9 is a positioning hole one, 10 is a positioning hole two, 11 is a positioning hole three, 12 is a positioning hole four, 13 is a light board mounting hole, 14 is a positioning hole five, 15 is a positioning hole six, 16 is a fixing hole, 17 is a mounting hole, 18 is an edge, 19 is a side mounting hole, 20 is an inner edge, 21 is an outer edge, 22 is a communication terminal avoidance hole, 23 is a communication terminal, 24 is a mounting bolt column, 25 is a receiving card, 26 is a power module, 27 is a sending card, 28 is a reinforcing rib, and 29 is an accommodating cavity. DETAILED DESCRIPTION

[0042] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0043] like Figures 1 to 17 As shown, the utility model provides an LED display screen, including a light board 1, a plastic board 2, a glass board 3, a steel board 4 and a back cover 5;

[0044] The lamp board 1 is provided with a positioning column 6, a lamp board mounting column 7, a positioning pin 8 and a communication terminal 23;

[0045] The plastic plate 2 is a square frame structure, including an inner edge 20 and an outer edge 21, and the outer edge 21 is 1 mm away from the outer edge 21 of the lamp board 1. A positioning hole 9 and a positioning hole 10 are provided on the plastic plate 2, and the positioning hole 9 corresponds one-to-one with the positioning column 6, and the positioning hole 10 corresponds one-to-one with the positioning pin 8; the plastic plate 2 is fixed to the lamp board 1 through the positioning hole 9 and the positioning hole 10; the thickness of the plastic plate 2 is 5 mm to ensure the height limit of the driving surface of the lamp board 1; the height of the positioning column 6 protruding from the plastic plate 2 is 3 mm, so that the positioning column 6 passes through the positioning hole 9 and protrudes from the plastic plate 2.

[0046] Laser cutting technology is used to cut a number of positioning holes three 11, positioning holes four 12, light board mounting holes 13 and communication terminal avoidance holes 22 on the glass plate 3. The positioning holes three 11 correspond to the positioning holes one 9 one-to-one, and the positioning holes four 12 correspond to the positioning holes two 10 one-to-one; the light board mounting holes 13 correspond to the light board mounting columns 7 one-to-one, and the plastic plate 2 with the light board 1 fixed is arranged on the glass plate 3 in an array manner, and the communication terminal avoidance holes 22 are used to place the communication terminals 23; the thickness of the glass plate 3 is 3~5mm, and the user can adjust the size of the glass plate 3 according to needs, and the outer edge 21 of the glass plate 3 is parallel to the outer edge 21 of the plastic plate 2.

[0047] The steel plate 4 is provided with a positioning hole five 14, a positioning hole six 15 and a fixing hole 16. The positioning hole five 14 corresponds to the positioning hole three 11 one by one, and the positioning hole six 15 corresponds to the positioning hole four 12 one by one. The screws are passed through the steel plate 4 and the glass plate 3 in sequence through the positioning hole five 14 and then fixed to the positioning column 6 on the lamp board 1, so that the lamp board 1, the plastic plate 2, the glass plate 3 and the steel plate 4 are fixed together. The glass plate 3 and the steel plate 4 are of the same size. The plastic plate 2, the glass plate 3 and the steel plate 4 are parallel to each other. The plastic plate 2 is made by CNC precision processing, and the glass surface has a high flatness, which effectively improves the surface flatness of the utility model; the steel plate 4 is also provided with a mounting bolt column 24, and a communication hardware device is fixedly installed on the mounting bolt column 24. The communication hardware device includes a receiving card 25, a power module 26 and a sending card 27, etc.

[0048] The back cover 5 is provided with mounting holes 17 and a receiving cavity 29, the mounting holes 17 correspond one-to-one to the fixing holes 16 on the steel plate 4, and the receiving cavity 29 is used to place hardware communication equipment; reinforcing ribs 28 are provided inside the back cover 5 to enhance the hardness of the back cover 5; edges 18 are also provided around the back cover 5, and the edges 18 wrap the steel plate 4, the glass plate 3 and the plastic plate 2 to form a whole, and reinforcing ribs 28 are provided on the edges 18, and side mounting holes 19 are provided on the reinforcing ribs 28. When the utility model is spliced ​​into a larger-sized LED display screen, two adjacent utility models are fixed together by bolts passing through the side mounting holes 19, so that quick splicing can be achieved.

[0049] The utility model can also be used alone as an LED display screen.

[0050] The utility model adopts glass and steel plate 4 to ensure the flatness of LED light board 1, and can be quickly assembled without the assistance of box. Due to the reduction of traditional box structure, the utility model is thinner and more beautiful, and effectively solves the black edge problem when splicing into a large-size LED display screen.

[0051] Regarding the specific structure of the utility model, it should be explained that the connection relationship between the various component modules adopted in the utility model is definite and feasible. Except for special instructions in the embodiments, the specific connection relationship can bring corresponding technical effects and solve the technical problems raised by the utility model without relying on the execution of corresponding software programs. The components, modules, models of specific components and the connection methods between each other appearing in the utility model, as well as the conventional use methods and expected technical effects brought about by the above-mentioned technical features, except for specific instructions, all belong to the disclosed contents in patents, journal articles, technical manuals, technical dictionaries, and textbooks that can be obtained by technical personnel in this field before the application date, or belong to the existing technologies such as conventional technologies and common knowledge in this field, and there is no need to elaborate, so that the technical solution provided in this case is clear, complete and feasible, and the corresponding physical products can be reproduced or obtained according to the technical means.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An LED display screen, characterized in that: It comprises a light board (1), a plastic board (2), a glass board (3), a steel board (4) and a back cover (5); The lamp board (1) is provided with a positioning column (6), a lamp board mounting column (7) and a positioning pin (8); The plastic plate (2) is provided with a first positioning hole (9) and a second positioning hole (10); the first positioning hole (9) corresponds to the positioning column (6) in a one-to-one manner, and the second positioning hole (10) corresponds to the positioning pin (8) in a one-to-one manner; The glass plate (3) is provided with a positioning hole three (11), a positioning hole four (12) and a light board mounting hole (13), the positioning hole three (11) corresponds one-to-one with the positioning hole one (9), the positioning hole four (12) corresponds one-to-one with the positioning hole two (10), and the light board mounting hole (13) corresponds one-to-one with the light board mounting column (7); The steel plate (4) is provided with a fifth positioning hole (14), a sixth positioning hole (15) and a fixing hole (16), wherein the fifth positioning hole (14) corresponds one-to-one to the third positioning hole (11), and the sixth positioning hole (15) corresponds one-to-one to the fourth positioning hole (12); The rear cover (5) is provided with mounting holes (17), and the mounting holes (17) correspond one to one with the fixing holes (16); The rear cover (5) is provided with edges (18) on all sides, the edges (18) are provided with reinforcing ribs (28), and the reinforcing ribs (28) are provided with side mounting holes (19).

2. The LED display screen according to claim 1, characterized in that: The height of the positioning column (6) protruding from the plastic plate (2) is 3 mm.

3. The LED display screen according to claim 1, characterized in that: The plastic plate (2) is a square frame structure, comprising an inner edge (20) and an outer edge (21), wherein the outer edge (21) is 1 mm away from the outer edge (21) of the light board (1).

4. The LED display screen according to claim 1, characterized in that: The glass plate (3) is also provided with a communication terminal avoidance hole (22), a communication terminal (23) is placed in the communication terminal avoidance hole (22), and the communication terminal (23) is arranged on the lamp board (1).

5. The LED display screen according to claim 1, characterized in that: The size of the glass plate (3) is consistent with the size of the steel plate (4).

6. The LED display screen according to claim 1, characterized in that: The steel plate (4) is also provided with a mounting bolt column (24), and a communication hardware device is fixedly mounted on the mounting bolt column (24).

7. The LED display screen according to claim 6, characterized in that: The communication hardware device comprises a receiving card (25), a power module (26) and a sending card (27).

8. The LED display screen according to claim 1, characterized in that: A reinforcing rib (28) is provided inside the rear cover (5).

9. The LED display screen according to claim 1, characterized in that: The thickness of the plastic plate (2) is 5 mm.

10. The LED display screen according to claim 1, characterized in that: The plastic plate (2) to which the light panel (1) is fixed is arranged on the glass plate (3) in an array manner.

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