CN110594561A - Outdoor advertisement display screen mounting bracket and mounting method thereof - Google Patents

Outdoor advertisement display screen mounting bracket and mounting method thereof Download PDF

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Publication number
CN110594561A
CN110594561A CN201910920076.9A CN201910920076A CN110594561A CN 110594561 A CN110594561 A CN 110594561A CN 201910920076 A CN201910920076 A CN 201910920076A CN 110594561 A CN110594561 A CN 110594561A
Authority
CN
China
Prior art keywords
bottom plate
panel
display screen
adjusting plates
comb tooth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910920076.9A
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Chinese (zh)
Inventor
黄波
杨磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haian Limo Electronic Technology Co Ltd
Original Assignee
Haian Limo Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haian Limo Electronic Technology Co Ltd filed Critical Haian Limo Electronic Technology Co Ltd
Priority to CN201910920076.9A priority Critical patent/CN110594561A/en
Publication of CN110594561A publication Critical patent/CN110594561A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

The invention belongs to the technical field of outdoor advertising display screens, and particularly relates to an outdoor advertising display screen mounting support and a mounting method thereof. The grid mesh with the mesh channel is formed by arranging the bottom plate, the supporting module and the panel, the comb tooth adjusting plates are embedded in the mesh channel and can be movably adjusted, the two opposite comb tooth adjusting plates are connected through the elastic pull ropes, the moving distance of the comb tooth adjusting plates is limited, and the comb tooth adjusting plates have the function of elastic pre-tightening, so that the advertisement screen embedded between the two comb tooth adjusting plates can be elastically clamped.

Description

Outdoor advertisement display screen mounting bracket and mounting method thereof
Technical Field
The invention relates to the technical field of outdoor advertisement display screens, in particular to an outdoor advertisement display screen mounting bracket and a mounting method thereof.
Background
The commercial advertisement is arranged on urban roads, two sides of railways, ground parts of urban rail transit lines, river and lake management ranges, squares, buildings and structures, in the form of carriers such as lamp boxes, neon lamps, electronic display devices, outdoor LCD advertising machines, outdoor liquid crystal display screens, outdoor electronic bulletin boards, information kiosks, display boards and the like and on transportation means, the outdoor advertisement can display the image and the brand of an enterprise in a fixed place for a long time, so that the outdoor advertisement is very effective for improving the popularity of the enterprise and the brand, the outdoor advertisement is produced in the late nineties and developed in the last two years, nowadays, numerous advertising companies pay more and more attention to the realization of the originality and the design effect of the outdoor advertisement, and all lines of the enterprise are eagerly to be rapidly improved, the commercial information is spread, and all levels of governments also want to establish the urban image through the outdoor advertisement, and (5) beautifying the city. These all provide great market opportunity for outdoor advertising production, and therefore also put forward higher requirements, in the modern society of rapid development of science and technology, outdoor advertising also quotes a lot of new materials, new technologies and new equipment, and becomes an artwork beautifying cities, and is one of the marks of the developed degree of urban economy, top advertising originality, excellent geographical position and super large advertising size are served as the winning key of the classical outdoor advertising, but even so, the invisible people are not few because of lack of interaction, in order to keep the instant lost attention of audiences, advertisers want to play, love originality and even have a little spirit, the outdoor advertising business develops very fast in the Chinese market in recent years, the ' fast ' not only reflects the continuous expansion of the industry in short time, but also reflects the ' fast ' promotion and approval ' of the emerging outdoor media form, The acceptance is high along with the 'fast', the outdoor advertising industry has high profit, high return on investment and high growth of the whole industry, the outdoor advertising has a development history of decades and has been developed into an advertising mode with rich media types, various expression forms and higher development speed up to now. With the more and more full development of advertisement resources of televisions and newspapers, the outdoor advertisement attracts all parties to pay attention due to the development quality and quantity of the outdoor advertisement, and for the coming and rising of the network era, the coming of a new outdoor advertisement era is marked, and people can see various outdoor advertisement information and styles on the network.
The following problems exist in the current outdoor advertising display screen mounting bracket:
1. the existing mounting bracket for the outdoor advertising display screen needs a plurality of workers or auxiliary machinery to fix the mounting bracket in advance during mounting, so that a mounting hole can be drilled, the mounting time is long, the efficiency is low, and a large amount of manpower and machinery are wasted;
2. the existing outdoor advertisement display screen mounting bracket is fixed after being mounted and fixed, and can not be correspondingly adjusted according to the actual size of each display screen.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an outdoor advertising display screen mounting bracket and a mounting method thereof, and solves the problems that a plurality of workers or auxiliary machinery are required to fix the mounting bracket in advance during mounting of the conventional outdoor advertising display screen mounting bracket, and the mounting bracket cannot be adjusted correspondingly according to the actual size of each display screen.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an outdoor advertising display screen installing support, includes the support main part, the support main part contains the bottom plate, the top surface of bottom plate is arranged and is fixed with the support module, the top surface fixedly connected with panel of support module, the bottom plate with pass through between the panel support module separates the net passageway that constitutes vertically and horizontally staggered, the avris homoenergetic gomphosis of net passageway has the broach regulating plate, the middle part of broach regulating plate is equipped with the round hole, it has adjusting bolt to run through in the round hole, adjusting bolt spiro union in the avris of support module, two is relative be connected through the elasticity stay cord between the broach regulating plate.
According to a preferable technical scheme of the invention, wall mounting holes are formed in corners of the bottom plate, and expansion screws penetrate through the wall mounting holes.
As a preferred technical scheme of the invention, an exhaust pipe is embedded in the grid channel, a piston in the exhaust pipe is connected with a pull rod, nine vacuum chucks are uniformly distributed on the side of the bottom surface of the bottom plate, and the nine vacuum chucks are all communicated with an air inlet of the exhaust pipe through a guide pipe.
As a preferable technical solution of the present invention, the top surface and the side edge of the support module are provided with threaded holes, and the panel is connected with a connection screw in a penetrating manner, and the connection screw is screwed with the threaded holes.
As a preferable technical scheme of the invention, the side of the comb tooth adjusting plate is vertically connected with a slot plate.
A method for installing an outdoor advertising display screen mounting bracket comprises the following steps:
s1: arranging and fixing the support modules on the top surface of the bottom plate according to a set size interval to form a criss-cross grid channel, embedding and fixing the exhaust pipe in the middle of the grid channel, uniformly and fixedly arranging nine vacuum suckers on the side of the bottom surface of the bottom plate, and communicating the air inlet of the exhaust pipe with the nine vacuum suckers through a guide pipe;
s2: the bottom surface of the bottom plate is attached to a wall of an installation part of an advertisement screen, then the piston is pulled by a pull rod to pump air in the exhaust pipe, nine vacuum suction cups communicated with the piston suck the bottom plate to be fixed on the wall of the installation part due to negative pressure, so that temporary fixing is realized, then installation holes are drilled in the positions of the installation holes of the wall, and the installation holes penetrate through the bottom plate and the wall of the installation part of the advertisement screen through expansion screws and are fixed, so that the bottom plate can be stably fixed on the wall of the installation part of the advertisement screen;
s3: embedding four comb tooth adjusting plates into the grid channels from the side edges of the bottom plate respectively, then connecting two opposite comb tooth adjusting plates through elastic pull ropes, enabling the comb tooth adjusting plates to have the function of elastic pre-tightening, measuring the size of an outdoor advertising screen to be installed, selecting the slot plates matched with the outdoor advertising screen, and fixing the slot plates on the side edges of the comb tooth adjusting plates;
s4: the top surface of the support module is covered with the panel, the panel is fixed on the threaded hole through a connecting screw, and the displacement direction of the four comb tooth adjusting plates embedded in the grid channel is limited, so that the panel can only move telescopically between the bottom plate and the panel;
s5: the advertising screen clamping that will need to fix is connected between four draw-in groove boards and the surface of panel, then twists adjusting bolt, through adjusting bolt pressfitting or pulling broach regulating plate, carries out the accuracy regulation to the concrete position of advertising screen to and the installation elasticity, until reaching the installation standard of settlement.
(III) advantageous effects
Compared with the prior art, the invention provides an outdoor advertisement display screen mounting bracket and a mounting method thereof, and the mounting bracket has the following beneficial effects:
1. this outdoor advertising display screen installing support and installation method, through setting up the air in the exhaust tube extraction nine vacuum chuck, make it produce the negative pressure, when laminating the bottom surface of bottom plate in wall or glass wallboard, just can adsorb in wall or glass wallboard temporarily because of the negative pressure that nine vacuum chuck produced, the staff just can be leisurely bored at the position of wall mounting hole this moment, then carry out thorough fixing with expansion screw to bottom plate and other parts of being connected with it, guarantee the firm of support main part and its advertisement screen that bears, the intensity of labour who has reduced advertisement screen installation staff has simultaneously.
2. The outdoor advertising display screen mounting bracket and the mounting method thereof form a group of grid grids with grid channels by arranging the bottom plate, the support module and the panel, the comb adjusting plates are embedded in the grid channels and can be movably adjusted, two opposite comb adjusting plates are connected through the elastic pull ropes, the moving distance of the comb adjusting plates is limited, and the comb adjusting plates are enabled to have the function of elastic pre-tightening, so that the advertising screen embedded between the two comb adjusting plates can be elastically clamped.
Drawings
FIG. 1 is a schematic view of the subjective structure of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side sectional view of the present invention.
In the figure: 1. a stent body; 2. a base plate; 3. a support module; 301. a threaded hole; 4. a panel; 5. a grid channel; 6. a comb adjusting plate; 7. a circular hole; 8. adjusting the bolt; 9. an elastic pull rope; 10. a wall mounting hole; 11. an expansion screw; 12. an air exhaust pipe; 13. a pull rod; 14. a vacuum chuck; 15. a connecting screw; 16. a slot clamping plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides an outdoor advertising display screen installing support, including support subject 1, support subject 1 contains bottom plate 2, the top surface of bottom plate 2 is arranged and is fixed with support module 3, support module 3's top surface fixedly connected with panel 4, divide through support module 3 between bottom plate 2 and the panel 4 and constitute vertically and horizontally staggered's net passageway 5, the equal activity gomphosis of avris of net passageway 5 has broach regulating plate 6, broach regulating plate 6's middle part is equipped with round hole 7, it has adjusting bolt 8 to run through in the round hole 7, 8 spiro unions of adjusting bolt are in support module 3's avris, be connected through elasticity stay cord 9 between two relative broach regulating plate 6.
In this embodiment, the bottom plate 2, the support module 3 and the panel 4 form a set of grid grids with grid channels 5, the comb-teeth adjusting plates 6 are embedded in the grid channels 5 and can be moved and adjusted, the two opposite comb-teeth adjusting plates 6 are connected through the elastic pull ropes 9, the moving distance of the comb-teeth adjusting plates 6 is limited, and the comb-teeth adjusting plates are enabled to have an elastic pre-tightening function, so that the advertisement screen embedded between the two comb-teeth adjusting plates 6 can be elastically clamped.
Specifically, the corners of the bottom plate 2 are provided with wall mounting holes 10, and expansion screws 11 are connected in the wall mounting holes 10 in a penetrating manner.
In this embodiment, the expansion screws 11 penetrating through the wall mounting holes 10 are used to firmly connect the base plate 2 to a wall or a wall plate, thereby firmly supporting the outdoor advertisement screen.
Specifically, an exhaust pipe 12 is embedded in the grid channel 5, a piston in the exhaust pipe 12 is connected with a pull rod 13, nine vacuum chucks 14 are evenly distributed on the side of the bottom surface of the bottom plate 2, and the nine vacuum chucks 14 are all communicated with an air inlet of the exhaust pipe 12 through a guide pipe.
In this embodiment, the air exhaust pipe 12 is used for exhausting the air in the nine vacuum chucks 14 to generate negative pressure, so when the bottom surface of the bottom plate 2 is attached to a wall or a glass wall plate, the air exhaust pipe can be temporarily adsorbed on the wall or the glass wall plate due to the negative pressure generated by the nine vacuum chucks 14, and at this time, a worker can freely drill a hole in the wall mounting hole 10, and then the bottom plate 2 and other parts connected with the bottom plate are thoroughly fixed by using the expansion screw 11, so that the stability of the support main body 1 and an advertisement screen carried by the support main body 1 is ensured, and the labor intensity of the worker for installing the advertisement screen is reduced.
Specifically, the top surface and the side edge of the support module 3 are provided with threaded holes 301, the panel 4 is connected with connecting screws 15 in a penetrating way, and the connecting screws 15 are screwed with the threaded holes 301.
In this embodiment, the supporting module 3 is a standard prefabricated member, and the top surface and the side edge thereof can be connected with other components through the threaded hole 301, that is, the threaded hole 301 can be screwed with the connecting screw 15 to fix the panel 4, and can also be screwed with the adjusting bolt 8 to adjust the positions of the two comb-tooth adjusting plates 6, thereby meeting the standardized and modularized production requirements.
Specifically, the side of the comb-teeth adjusting plate 6 is vertically connected with a slot plate 16.
In this embodiment, the slot plate 16 is used for clamping the side and the bottom of the outdoor advertisement screen, and the specific shape and size of the slot plate 16 are determined according to the shape and size of the fixed advertisement screen, so as to realize accurate and firm installation and fixation of the advertisement screen.
A method for installing an outdoor advertising display screen mounting bracket comprises the following steps:
s1: arranging and fixing the support modules 3 on the top surface of the bottom plate 2 according to a set size interval to form a criss-cross grid channel 5, embedding and fixing an exhaust tube 12 in the middle of the grid channel 5, uniformly and fixedly arranging nine vacuum suction cups 14 on the side of the bottom surface of the bottom plate 2, and communicating the air inlets of the exhaust tube 12 with the nine vacuum suction cups 14 through guide tubes;
s2: the bottom surface of the bottom plate 2 is attached to the wall of the installation part of the advertisement screen, then the piston is pulled by a pull rod 13 to pump out the air in the exhaust pipe 12, at the moment, nine vacuum suction cups 14 communicated with the piston suck the bottom plate 2 to be fixed on the wall of the installation part due to negative pressure, so as to realize temporary fixation, then installation holes are drilled on the positions of the wall installation holes 10, and the expansion screws 11 penetrate through the installation holes and are fixed, so that the bottom plate 2 can be stably fixed on the wall of the installation part of the advertisement screen;
s3: the method comprises the following steps that four comb tooth adjusting plates 6 are respectively embedded into a grid channel 5 from the side of a bottom plate 2, and then two opposite comb tooth adjusting plates 6 are connected through elastic pull ropes 9, so that the comb tooth adjusting plates 6 have the function of elastic pre-tightening, the size of an outdoor advertising screen to be installed is measured, a clamping groove plate 16 matched with the outdoor advertising screen is selected, and the clamping groove plate 16 is fixed to the side of the comb tooth adjusting plates 6;
s4: covering a panel 4 on the top surface of the support module 3, fixing the panel 4 on the threaded hole 301 through a connecting screw 15, and limiting the displacement direction of the four comb-tooth adjusting plates 6 embedded in the grid channel 5 so that the panel can only move telescopically between the bottom plate 2 and the panel 4;
s5: the advertising screen needing to be fixed is clamped and connected among the four clamping groove plates 16 and on the surface of the panel 4, then the adjusting bolts 8 are screwed, the comb tooth adjusting plates 6 are pressed or pulled through the adjusting bolts 8, and the specific positions of the advertising screen and the installation tightness are accurately adjusted until the set installation standard is reached.
The evacuation tube 12 and vacuum chuck 14 of the present embodiment are known technologies that have been disclosed for wide use in industrial production and daily life.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an outdoor advertising display screen installing support, includes support main part (1), its characterized in that: support subject (1) contains bottom plate (2), the top surface of bottom plate (2) is arranged and is fixed with support module (3), the top surface fixedly connected with panel (4) of support module (3), bottom plate (2) with pass through between panel (4) support module (3) and separate grid passageway (5) that constitute vertically and horizontally staggered, the avris homoenergetic gomphosis of grid passageway (5) has broach regulating plate (6), the middle part of broach regulating plate (6) is equipped with round hole (7), it has adjusting bolt (8) to run through in round hole (7), adjusting bolt (8) spiro union in the avris of support module (3), two are relative be connected through elasticity stay cord (9) between broach regulating plate (6).
2. An outdoor advertising display screen mounting bracket according to claim 1, wherein: the corner of bottom plate (2) is equipped with wall mounting hole (10), run through in wall mounting hole (10) and be connected with expansion screw (11).
3. An outdoor advertising display screen mounting bracket according to claim 1, wherein: exhaust tube (12) are installed in the gomphosis in net passageway (5), piston in exhaust tube (12) is connected with pull rod (13), the avris equipartition of bottom plate (2) bottom surface has nine vacuum chuck (14), nine vacuum chuck (14) all communicate through the pipe the air inlet of exhaust tube (12).
4. An outdoor advertising display screen mounting bracket according to claim 1, wherein: the top surface and the avris of supporting module (3) all are equipped with screw hole (301), through connection has connecting screw (15) on panel (4), connecting screw (15) spiral shell closes and connects screw hole (301).
5. An outdoor advertising display screen mounting bracket according to claim 1, wherein: the avris of broach regulating plate (6) is connected with draw-in groove board (16) perpendicularly.
6. An outdoor advertising display screen mounting bracket mounting method according to any one of claims 1 to 5, wherein: the method comprises the following steps:
s1: arranging and fixing the support modules (3) on the top surface of the bottom plate (2) according to a set size interval to form a criss-cross grid channel (5), embedding and fixing the air exhaust pipe (12) in the middle of the grid channel (5), uniformly and fixedly arranging nine vacuum suckers (14) on the side of the bottom surface of the bottom plate (2), and communicating the air inlet of the air exhaust pipe (12) with the nine vacuum suckers (14) through a guide pipe;
s2: the bottom surface of the bottom plate (2) is attached to a wall of an installation part of an advertising screen, then a piston is pulled through a pull rod (13) to draw out air in an exhaust pipe (12), nine vacuum suction cups (14) communicated with the piston suck and fix the bottom plate (2) to the wall of the installation part due to negative pressure to realize temporary fixation, then installation holes are drilled in the positions of wall installation holes (10), and expansion screws (11) penetrate through the installation holes and are fixed, so that the bottom plate (2) can be stably fixed to the wall of the installation part of the advertising screen;
s3: embedding four comb tooth adjusting plates (6) into a grid channel (5) from the side of a bottom plate (2) respectively, and then connecting two opposite comb tooth adjusting plates (6) through elastic pull ropes (9), so that the comb tooth adjusting plates (6) have an elastic pre-tightening function, measuring the size of an outdoor advertising screen to be installed, selecting a slot plate (16) matched with the slot plate, and fixing the slot plate (16) on the side of the comb tooth adjusting plates (6);
s4: the top surface of the support module (3) is covered with the panel (4), the panel (4) is fixed on the threaded hole (301) through a connecting screw (15), and the displacement direction of the four comb tooth adjusting plates (6) embedded in the grid channel (5) is limited, so that the panel can only move telescopically between the bottom plate (2) and the panel (4);
s5: the advertising screen clamping that will need to fix is connected between four draw-in groove boards (16) and the surface of panel (4), then twists adjusting bolt (8), through adjusting bolt (8) pressfitting or pulling broach regulating plate (6), carries out the accurate regulation to the concrete position of advertising screen to and the installation elasticity, until reaching the installation standard of settlement.
CN201910920076.9A 2019-09-26 2019-09-26 Outdoor advertisement display screen mounting bracket and mounting method thereof Pending CN110594561A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910920076.9A CN110594561A (en) 2019-09-26 2019-09-26 Outdoor advertisement display screen mounting bracket and mounting method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910920076.9A CN110594561A (en) 2019-09-26 2019-09-26 Outdoor advertisement display screen mounting bracket and mounting method thereof

Publications (1)

Publication Number Publication Date
CN110594561A true CN110594561A (en) 2019-12-20

Family

ID=68863782

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910920076.9A Pending CN110594561A (en) 2019-09-26 2019-09-26 Outdoor advertisement display screen mounting bracket and mounting method thereof

Country Status (1)

Country Link
CN (1) CN110594561A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116504148A (en) * 2023-06-29 2023-07-28 深圳市美亚迪光电有限公司 Combined structure of combined LED display large screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116504148A (en) * 2023-06-29 2023-07-28 深圳市美亚迪光电有限公司 Combined structure of combined LED display large screen
CN116504148B (en) * 2023-06-29 2023-09-01 深圳市美亚迪光电有限公司 Combined structure of combined LED display large screen

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20191220

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