CN212411486U - Carbon fiber LED display screen module and assembly thereof - Google Patents
Carbon fiber LED display screen module and assembly thereof Download PDFInfo
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- CN212411486U CN212411486U CN202021002659.8U CN202021002659U CN212411486U CN 212411486 U CN212411486 U CN 212411486U CN 202021002659 U CN202021002659 U CN 202021002659U CN 212411486 U CN212411486 U CN 212411486U
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Abstract
The utility model discloses a carbon fiber LED display screen module and subassembly thereof, this carbon fiber LED display screen module include carbon fiber frame, installation beam slab and a plurality of LED display screen module, and installation beam slab wherein one side is provided with LED drive control box, and installation beam slab opposite side is provided with the LED plugboard, and a plurality of LED display screen module lay on carbon fiber frame, and one side of LED display screen module is pegged graft at the LED plugboard, LED plugboard and LED drive control box electric connection. The utility model discloses a carbon fiber LED display screen module and subassembly thereof through setting up the carbon fiber frame, inlays the metalwork on the carbon fiber frame back and is used for installing the accessory, openly sets up a plurality of LED display screen modules at the carbon fiber frame, owing to adopted the carbon fiber frame for LED display screen module light in weight easily installs the transportation.
Description
Technical Field
The utility model relates to a LED shows technical field, in particular to carbon fiber LED display screen module and subassembly thereof.
Background
A Light Emitting Diode (LED) display screen is a display screen composed of a plurality of LEDs and used for displaying various information such as characters, graphics, images, animation, market conditions, video, and video signals by controlling the on and off of the LEDs. The LED display screen is also called an electronic display screen or a word-floating screen. The content can be changed at any time, and all the components are display devices with modular structures. Generally, the display device comprises a display module, a control system and a power supply system. The display module is composed of a dot matrix consisting of LED lamps and is responsible for luminous display; the control system can display characters, pictures, videos and the like on the screen by controlling the on-off of the corresponding area; the power supply system is responsible for converting input voltage and current into voltage and current required by the display screen. The LED display screen can display variable numbers, characters, graphic images and videos; the LED lamp can be used in indoor environment and outdoor environment, and has the advantages of being incomparable to projectors, television walls and liquid crystal display screens.
The LED display screen is generally formed by splicing a plurality of smaller independent LED display screen modules, and each independent LED display screen module can work independently or can be spliced together to work in a combined mode; however, the existing LED display screen frame is generally made of metal materials such as aluminum alloy, which is heavy, and the structure is complicated, which is not conducive to transportation and fast splicing operation, and therefore, further optimization is required.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a carbon fiber LED display screen module and subassembly thereof, simple structure, the quality is lighter, easily transport and quick concatenation operation.
In order to solve the above technical problem, specifically, the technical scheme of the utility model is as follows:
the utility model provides a carbon fiber LED display screen module, includes carbon fiber frame, installation roof beam board and a plurality of LED display screen module, one of them side of installation roof beam board is provided with LED drive control box, installation roof beam board opposite side is provided with the LED plugboard, and is a plurality of LED display screen module lays on the carbon fiber frame, one side of LED display screen module is pegged graft the LED plugboard, the LED plugboard with LED drive control box electric connection.
Further, a magnet seat of a magnet is embedded in the bottom shell of the LED display screen module, the LED display screen module is provided with a contact pin and a positioning column, and a plurality of groups of contact pin interfaces and positioning holes are correspondingly arranged on the LED insertion board; and an adsorption metal sheet is arranged in the position of the carbon fiber frame corresponding to the magnet.
Optionally, a positioning hole is machined in the surface of the carbon fiber frame, and a positioning column at one end of the LED display screen module is clamped into the positioning hole.
Furthermore, a constant-voltage constant-current power supply module, a signal controller and a switching plate are arranged in the LED drive control box, and the LED display screen module is respectively connected with the constant-voltage constant-current power supply module and the signal controller through the switching plate.
Furthermore, one end of the LED drive control box is provided with a power interface and a signal interface, and an external power supply and an external LED signal source are respectively connected with the constant-voltage constant-current power supply module and the signal controller through the power interface and the signal interface; the other end of the LED drive control box is provided with a power line and a signal line, and the power line and the signal line are used for power connection and signal connection between the adjacent LED drive control boxes.
Furthermore, a plurality of beam rods are arranged on the carbon fiber frame, and a plurality of lifting handles for carrying are arranged on the beam rods.
Furthermore, the back surface of the carbon fiber frame is provided with a plurality of embedded metal pieces, mounting holes and/or positioning holes are formed in the embedded metal pieces, a first receiving component and a first plug-in component are respectively arranged on the two transverse sides of each embedded metal piece, and/or a second receiving component and a second plug-in component are respectively arranged on the two longitudinal sides of the carbon fiber frame; the first receiving assembly and the first inserting assembly are matched to form transverse splicing of the carbon fiber frame, and the second receiving assembly and the second inserting assembly are matched to form longitudinal splicing of the carbon fiber frame.
Furthermore, the first adapting assembly comprises a first adapting seat and a first adapting slider arranged in the first adapting seat, a first adapting rack part is arranged on the first adapting slider, a first adapting hole is formed in one end of the first adapting slider corresponding to the first plug-in assembly, and a first adjusting part is arranged on the upper part of the first adapting seat corresponding to the first adapting rack part through a first adapting torsion spring shaft and a first adapting torsion spring; the first plug assembly comprises a first plug seat and a first plug adjusting sleeve, and a first plug rod is arranged in the first plug seat through the first plug adjusting sleeve and corresponds to the adjacent first bearing hole; first grafting adjustment external member one end is provided with first grafting gear portion, corresponds first grafting gear portion is provided with first grafting adjustment piece, the cover is equipped with first grafting torsional spring on the first grafting adjustment piece, first grafting adjustment piece with first grafting torsional spring sets up in first grafting adjustment shell.
Optionally, the first bearing seat includes a first bearing left side portion and a first bearing right side portion, and a first bearing chute is disposed between the first bearing left side portion and the first bearing right side portion. The first inserting adjusting sleeve is further provided with a first inserting limiting groove, and a first inserting limiting pin is arranged at the top of the first inserting seat corresponding to the first inserting limiting groove.
Furthermore, the second bearing assembly comprises a second bearing seat and a second bearing hole arranged on the second bearing seat, the second plug-in assembly comprises a second plug-in seat and a second plug-in adjusting kit, and a second plug-in rod arranged in the second plug-in seat through the second plug-in adjusting kit corresponds to the adjacent second bearing hole; the second is pegged graft and is adjusted external member one end and be provided with second grafting gear portion, corresponds second grafting gear portion is provided with the second adjustment piece of pegging graft, the cover is equipped with the second torsional spring of pegging graft on the second adjustment piece of pegging graft, the second grafting adjustment piece with the second torsional spring setting of pegging graft is in the second is pegged graft and is adjusted the shell.
Optionally, a second plug-in stop block is arranged at the top of the second plug-in socket, and the second plug-in stop block is used for limiting the distance between the second bearing hole and the second plug-in rod. The second inserting adjusting sleeve is further provided with a second inserting limiting groove, and a second inserting limiting pin is arranged at the top of the second inserting seat corresponding to the second inserting limiting groove.
Based on the same invention concept, the utility model also provides a carbon fiber LED display screen assembly, including a plurality of above-mentioned carbon fiber LED display screen modules, a plurality of the carbon fiber LED display screen modules with the carbon fiber frame plane contact, adjacent the carbon fiber LED display screen module through the first accept subassembly with first grafting subassembly horizontal concatenation, and/or through the second accept subassembly with the second grafting subassembly vertical concatenation; the carbon fiber LED display screen modules are sequentially connected through power lines and signal lines.
The utility model has the advantages that:
the utility model discloses a carbon fiber LED display screen module and subassembly thereof through setting up the carbon fiber frame, inlays the metalwork and is used for installing the accessory on the carbon fiber frame back, openly sets up a plurality of LED display screen modules at the carbon fiber frame, owing to adopted the carbon fiber frame for LED display screen module light in weight easily installs the transportation. In addition, a first receiving assembly, a first plug assembly, a second receiving assembly and a second plug assembly are arranged; the LED display screen modules can be quickly transversely spliced and longitudinally spliced, so that an LED display screen assembly is formed.
Drawings
Fig. 1 is a three-dimensional structure diagram of a carbon fiber LED display screen module of the present invention;
fig. 2 is a second three-dimensional structure diagram of the carbon fiber LED display screen module of the present invention;
FIG. 3 is a three-dimensional structure diagram of the LED display screen module of the present invention;
FIG. 4 is a three-dimensional structure diagram of a first quick-splicing structure of the present invention;
FIG. 5 is a three-dimensional exploded view of a first quick splicing structure of the present invention;
fig. 6 is a three-dimensional structure diagram of a second quick splicing structure of the present invention;
fig. 7 is a three-dimensional decomposition structure diagram of a second quick splicing structure of the present invention;
fig. 8 is a front view structural diagram of a first carbon fiber LED display screen assembly of the present invention;
in the figure, 10-a carbon fiber LED display screen module, 11-a carbon fiber frame, 12-a mounting beam plate, 13-an LED drive control box, 14-an LED display screen module, 141-a pin, 142-a positioning hole, 15-a power line, 16-a signal line, 131-a power interface, 132-a signal interface, 17-a lifting handle, 18-a first receiving component, 19-a first plug-in component, 20-a second receiving component, 21-a second plug-in component, 22-an LED plug-in board, 221-a pin interface and 222-a positioning column; 181-first receiving seat, 182-first receiving rack portion, 183-first receiving slider, 184-first receiving hole, 185-first adjusting member, 186-first receiving torsion spring, 187-first receiving torsion spring shaft, 1811-first receiving left side portion, 1812-first receiving right side portion; 1813-first receiving chute; 191-a first inserting seat, 192-a first inserting adjusting shell, 193-a first inserting adjusting suite, 194-a first inserting rod, 195-a first inserting adjusting piece, 196-a first inserting torsion spring, 197-a first inserting gear part and 198-a first inserting limiting groove; 201-a second bearing seat, 202-a second bearing hole, 211-a second plug seat, 212-a second plug adjusting shell, 213-a second plug adjusting kit, 214-a second plug rod, 215-a second plug adjusting piece, 216-a second plug torsion spring, 217-a second plug stop, 218-a second plug gear part, 219-a second plug limit groove.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1-3, the utility model discloses a carbon fiber LED display screen module 10, including carbon fiber frame 11, installation beam slab 12 and a plurality of LED display screen module 14, installation beam slab 12 wherein one side is provided with LED drive control box 13, installation beam slab 12 opposite side is provided with LED plugboard 22, and is a plurality of LED display screen module 14 is laid on carbon fiber frame 11, one side of LED display screen module 14 is pegged graft LED plugboard 22, LED plugboard 22 with LED drive control box 13 electric connection.
The magnet seat embedded with the magnet is embedded in the bottom shell of the LED display screen module 14 in a pre-embedding manner, the LED display screen module 14 is provided with pins 141 and positioning holes 142, and the LED plugboard 22 is correspondingly provided with a plurality of groups of pin interfaces 221 and positioning columns 222; and an adsorption metal sheet is arranged in the position of the carbon fiber frame 11 corresponding to the magnet.
Optionally, a positioning hole is machined in the surface of the carbon fiber frame 11, and a positioning column is arranged at one end of the LED display screen module 14 and is matched with the positioning hole. In addition, the LED display screen module 14 is provided with a positioning column, and the LED insertion board 22 is correspondingly provided with a positioning hole.
The LED display screen module 14 is connected with the constant-voltage constant-current power supply module and the signal controller through the adapter plate respectively.
Wherein, one end of the LED driving control box 13 is provided with a power interface 131 and a signal interface 132, and an external power supply and an external LED signal source are respectively connected to the constant voltage and constant current power supply module and the signal controller through the power interface 131 and the signal interface 132; the other end of the LED drive control box 13 is provided with a power line 15 and a signal line 16, and the power line 15 and the signal line 16 are used for power connection and signal connection between the adjacent LED drive control boxes 13.
Optionally, a plurality of beam rods are arranged on the carbon fiber frame 11, and a plurality of lifting handles 17 for carrying are arranged on the beam rods.
The back surface of the carbon fiber frame 11 is provided with a plurality of embedded metal pieces, the embedded metal pieces are provided with mounting holes and/or positioning holes, the two transverse sides of the embedded metal pieces are respectively provided with a first receiving component 18 and a first plug-in component 19, and/or the two longitudinal sides of the carbon fiber frame 11 are respectively provided with a second receiving component 20 and a second plug-in component 21; the first socket assembly 18 and the first plug assembly 19 cooperate to form a transverse splice of the carbon fiber frame 11, and the second socket assembly 20 and the second plug assembly 21 cooperate to form a longitudinal splice of the carbon fiber frame 11. Optionally, the back is provided with the piece of inlaying on the carbon fiber frame 11, inlays the later stage machining of piece and guarantees the screen roughness, installs the functional unit on the piece of inlaying and sets up the locating hole, and the functional unit includes quick installation lock, connection piece, screen protective sheath.
The back surface of the carbon fiber frame 11 is inlaid with a metal piece through machining to be consistent in thickness, a mounting hole and a positioning hole are machined on the inlaid metal piece, and the quick lock comprises a first receiving assembly 18 and a first plug-in assembly 119 or a second receiving assembly 20 and a second plug-in assembly 21; the quick lock is arranged at a corresponding position, and the inlaid metal pieces at four angular positions of the carbon fiber frame 11 are connected with the connection.
As shown in fig. 4 and 5, the first receiving assembly 18 includes a first receiving seat 181, a first receiving slider 183 disposed in the first receiving seat 181, a first receiving rack portion 182 disposed on the first receiving slider 183, a first receiving hole 184 disposed at one end of the first receiving slider 183 corresponding to the first plug assembly 19, and a first adjusting member 185 disposed at an upper portion of the first receiving seat 181 through a first receiving torsion spring shaft 187 and a first receiving torsion spring 186 corresponding to the first receiving rack portion 182; the first plug-in component 19 includes a first plug-in seat 191 and a first plug-in adjustment kit 193, the first plug-in rod 194 disposed in the first plug-in seat 191 via the first plug-in adjustment kit 193 is disposed, and the first plug-in rod 194 corresponds to the adjacent first receiving hole 184; first grafting adjustment external member 183 one end is provided with first grafting gear 197 portion, corresponds first grafting gear portion 197 is provided with first grafting adjustment piece 195, the cover is equipped with first grafting torsional spring 196 on the first grafting adjustment piece 195, first grafting adjustment piece 195 with first grafting torsional spring 196 sets up in first grafting adjustment shell 192.
Optionally, the first receiving seat 181 includes a first receiving left side portion 1811 and a first receiving right side portion 1812, and a first receiving sliding groove 1813 is disposed between the first receiving left side portion 1811 and the first receiving right side portion 1812. The first inserting adjusting kit 193 is further provided with a first inserting limiting groove 198, and a first inserting limiting pin is arranged at the top of the first inserting seat 191 corresponding to the first inserting limiting groove 198. As shown in fig. 6 and 7, the second receiving assembly 20 includes a second receiving seat 201 and a second receiving hole 202 disposed on the second receiving seat 201, the second plug assembly 21 includes a second socket 211 and a second plug adjustment sleeve 213, and the second plug rod 214 disposed in the second socket 211 through the second plug adjustment sleeve 213 corresponds to the adjacent second receiving hole 202; one end of the second plugging adjustment kit 213 is provided with a second plugging gear portion 218, a second plugging adjustment piece 215 is provided corresponding to the second plugging gear portion 218, the second plugging adjustment piece 215 is sleeved with a second plugging torsion spring 216, and the second plugging adjustment piece 215 and the second plugging torsion spring 216 are arranged in the second plugging adjustment shell 212.
Optionally, a second plug-in stop 217 is disposed at the top of the second plug-in socket 201, and the second plug-in stop 217 is configured to limit a distance between the second receiving hole 202 and the second plug-in rod 214. The second inserting adjusting kit 213 is further provided with a second inserting limiting groove 219, and a second inserting limiting pin is arranged at the top of the second inserting seat 211 corresponding to the second inserting limiting groove 219.
Example 2
Based on the same inventive concept, as shown in fig. 8, the utility model also provides a carbon fiber LED display screen assembly, which comprises a plurality of carbon fiber LED display screen modules 10, wherein the carbon fiber frames 11 of the plurality of carbon fiber LED display screen modules 10 are in plane contact, and the adjacent carbon fiber LED display screen modules 10 are transversely spliced through the first receiving assembly 18 and the first splicing assembly 19 and/or longitudinally spliced through the second receiving assembly 20 and the second splicing assembly 21; the carbon fiber LED display screen modules 10 are connected in sequence through power lines and signal lines.
The utility model discloses a carbon fiber LED display screen module and subassembly thereof through setting up the carbon fiber frame, inlays the metalwork and is used for installing the accessory on the carbon fiber frame back, openly sets up a plurality of LED display screen modules at the carbon fiber frame, owing to adopted the carbon fiber frame for LED display screen module light in weight easily installs the transportation. In addition, a first receiving assembly, a first plug assembly, a second receiving assembly and a second plug assembly are arranged; the LED display screen modules can be quickly transversely spliced and longitudinally spliced, so that an LED display screen assembly is formed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", "row", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for the convenience of describing and simplifying the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present patent application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," "secured," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present patent application, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (10)
1. The utility model provides a carbon fiber LED display screen module, its characterized in that includes carbon fiber frame, installation roof beam board and a plurality of LED display screen module, wherein one side of installation roof beam board is provided with LED drive control box, installation roof beam board opposite side is provided with the LED plugboard, and is a plurality of LED display screen module lays on the carbon fiber frame, one side grafting of LED display screen module is in the LED plugboard, the LED plugboard with LED drive control box electric connection.
2. The carbon fiber LED display screen module as claimed in claim 1, wherein a magnet seat of a magnet is embedded in a bottom shell of the LED display screen module, the LED display screen module is provided with pins and positioning columns, and the LED pinboard is correspondingly provided with a plurality of groups of pin interfaces and positioning holes; and an adsorption metal sheet is arranged in the position of the carbon fiber frame corresponding to the magnet.
3. The carbon fiber LED display screen module according to claim 1, wherein a constant voltage and constant current power supply module, a signal controller and a patch panel are arranged in the LED drive control box, and the LED display screen module is respectively connected with the constant voltage and constant current power supply module and the signal controller through the patch panel.
4. The carbon fiber LED display screen module according to claim 3, wherein one end of the LED driving control box is provided with a power interface and a signal interface, and an external power source and an external LED signal source are respectively connected with the constant voltage and constant current power module and the signal controller through the power interface and the signal interface; the other end of the LED drive control box is provided with a power line and a signal line, and the power line and the signal line are used for power connection and signal connection between the adjacent LED drive control boxes.
5. The carbon fiber LED display screen module as claimed in claim 1, wherein the carbon fiber frame is provided with a plurality of beams, and the beams are provided with a plurality of lifting handles for carrying or mounting.
6. The carbon fiber LED display screen module according to claim 1, wherein the back of the carbon fiber frame is provided with a plurality of inlaid metal pieces, the inlaid metal pieces are provided with mounting holes and/or positioning holes, the inlaid metal pieces are respectively provided with a first receiving component and a first plugging component at two transverse sides, and/or the carbon fiber frame is respectively provided with a second receiving component and a second plugging component at two longitudinal sides; the first receiving assembly and the first inserting assembly are matched to form transverse splicing of the carbon fiber frame, and the second receiving assembly and the second inserting assembly are matched to form longitudinal splicing of the carbon fiber frame.
7. The carbon fiber LED display screen module according to claim 6, wherein the first receiving assembly comprises a first receiving seat and a first receiving slider arranged in the first receiving seat, a first receiving rack portion is arranged on the first receiving slider, a first receiving hole is formed in one end of the first receiving slider corresponding to the first plug-in assembly, and a first adjusting member is arranged on the upper portion of the first receiving seat corresponding to the first receiving rack portion through a first receiving torsion spring shaft and a first receiving torsion spring; the first plug assembly comprises a first plug seat and a first plug adjusting sleeve, and a first plug rod is arranged in the first plug seat through the first plug adjusting sleeve and corresponds to the adjacent first bearing hole; first grafting adjustment external member one end is provided with first grafting gear portion, corresponds first grafting gear portion is provided with first grafting adjustment piece, the cover is equipped with first grafting torsional spring on the first grafting adjustment piece, first grafting adjustment piece with first grafting torsional spring sets up in first grafting adjustment shell.
8. The carbon fiber LED display screen module as claimed in claim 7, wherein the second receiving assembly comprises a second receiving seat and a second receiving hole disposed on the second receiving seat, the second plug assembly comprises a second plug seat and a second plug adjusting sleeve, and the second plug rod disposed in the second plug seat via the second plug adjusting sleeve corresponds to the adjacent second receiving hole; the second is pegged graft and is adjusted external member one end and be provided with second grafting gear portion, corresponds second grafting gear portion is provided with the second adjustment piece of pegging graft, the cover is equipped with the second torsional spring of pegging graft on the second adjustment piece of pegging graft, the second grafting adjustment piece with the second torsional spring setting of pegging graft is in the second is pegged graft and is adjusted the shell.
9. The carbon fiber LED display screen module according to claim 8, wherein the first plugging adjustment kit is further provided with a first plugging limiting groove, and a first plugging limiting pin is arranged at the top of the first plugging base corresponding to the first plugging limiting groove; the second inserting adjusting sleeve is further provided with a second inserting limiting groove, and a second inserting limiting pin is arranged at the top of the second inserting seat corresponding to the second inserting limiting groove.
10. A carbon fiber LED display screen assembly, comprising a plurality of carbon fiber LED display screen modules according to any one of claims 6 to 9, wherein the carbon fiber frames of the plurality of carbon fiber LED display screen modules are in planar contact, and adjacent carbon fiber LED display screen modules are transversely spliced by the first receiving assembly and the first plug assembly and/or longitudinally spliced by the second receiving assembly and the second plug assembly; the carbon fiber LED display screen modules are sequentially connected through power lines and signal lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021002659.8U CN212411486U (en) | 2020-06-04 | 2020-06-04 | Carbon fiber LED display screen module and assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021002659.8U CN212411486U (en) | 2020-06-04 | 2020-06-04 | Carbon fiber LED display screen module and assembly thereof |
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| Publication Number | Publication Date |
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| CN212411486U true CN212411486U (en) | 2021-01-26 |
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| CN202021002659.8U Active CN212411486U (en) | 2020-06-04 | 2020-06-04 | Carbon fiber LED display screen module and assembly thereof |
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