CN105761628B - Arc-shaped LED display screen capable of being hoisted - Google Patents
Arc-shaped LED display screen capable of being hoisted Download PDFInfo
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- CN105761628B CN105761628B CN201610267392.7A CN201610267392A CN105761628B CN 105761628 B CN105761628 B CN 105761628B CN 201610267392 A CN201610267392 A CN 201610267392A CN 105761628 B CN105761628 B CN 105761628B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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Abstract
The invention discloses a hoistable arc-shaped LED display screen, which belongs to the field of LED spliced screens and comprises a plurality of boxes and a hoisting block, wherein the plurality of boxes are transversely and longitudinally spliced into the LED display screen with a required display area; wherein vertically the concatenation is fixed through locking connection from top to bottom, lock from top to bottom including setting up in the lock body of box perpendicular roof beam upper end and the hasp of lower extreme, during vertical concatenation, the lock body of the perpendicular roof beam upper end of vertical adjacent one of box and the vertical two adjacent boxes of hasp cooperation locking of the perpendicular roof beam lower extreme of vertical adjacent two of boxes. The defects of large volume, poor applicability and concentrated stress of the traditional hanging block are overcome, and the arc-shaped LED display screen has the advantage that the radian change of the arc-shaped LED display screen is not influenced by the hanging block during hoisting.
Description
Technical Field
The invention relates to an LED display screen, in particular to a hoistable arc-shaped LED display screen, and belongs to the field of LED spliced screens.
Background
At present, the volume of a hanging block body of the existing LED display screen is relatively large, so that the existing LED display screen is very heavy, cannot be disassembled and is inconvenient to transport. The lifting block is fixedly lifted with a lock on the box body, stress points are concentrated on the position of the box body and a lock rod connected with the lifting block, no double protection measures exist, certain potential safety hazards exist, and the lifting block can influence the angle free change of the LED display screen, so that the arc-shaped LED display screen cannot be flexibly and suitably lifted.
Therefore, the hoisting of the arc-shaped LED display screen can be met by developing the hoisting block which can be flexibly suitable for hoisting the arc-shaped LED display screen and the box body structure matched with the hoisting block, and the radian adjustment of the LED display screen is not influenced.
It should be noted that the box structure diagram and the description of the box structure diagram in the present invention are disclosed in the patent application with application number CN 2016100850185 (title of the invention: LED arc screen with variable radian) filed by the applicant to the intellectual property office of china on 15/2/2016.
It should be noted that the construction diagram of the lifting pin lock and the description of the construction diagram of the lifting pin lock in the present patent application are disclosed in the patent application with application number CN2016100115273 (title of the invention: LED display screen assembly and arc LED display screen) filed by the applicant to the intellectual property office of china on 2016, 1, 11.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a hoistable arc-shaped LED display screen which comprises a plurality of boxes and a hoisting block, wherein the boxes are transversely and longitudinally spliced into the LED display screen with a required display area, the hoisting block is arranged on a cross beam of the transversely spliced adjacent boxes, and a hand buckle outer ring for hoisting the arc-shaped LED display screen on a hoisting beam is arranged on the hoisting block.
Specifically, the transverse splicing of the boxes is fixedly connected through a lifting pin lock, the lifting pin lock is arranged on a vertical beam on the left side of one of the transverse adjacent boxes, the locking hole is correspondingly arranged on a vertical beam on the right side of the second transverse adjacent box, and when the boxes are transversely spliced, the lifting pin lock and the locking hole are matched to lock the two transverse adjacent boxes. The specific structure and principle of the lifting pin lock refer to the invention patent application with application number CN2016100115273 (invention name: LED display screen assembly component and arc LED display screen) filed by the applicant to the Chinese intellectual property office in 2016, 1, 11.
Specifically, vertical concatenation connect fixedly through locking from top to bottom, the lock from top to bottom lock including setting up in the lock body of box perpendicular roof beam upper end, set up in the hasp of box perpendicular roof beam lower extreme, when vertical concatenation box, the lock body of the perpendicular roof beam upper end of vertical adjacent one of box and the vertical two adjacent boxes of hasp cooperation locking of the perpendicular roof beam lower extreme of vertical adjacent two of boxes.
More specifically, the lock body of the up-down lock comprises a hasp component and a buckling component, one end of the hasp component and one end of the buckling component can be hinged and installed in holes in two sides of the upper end of the vertical beam of the box body in a pivoting mode, a bearing convex part buckled in the vertical beam of the adjacent box body is arranged at the other end of the hasp component, and outward buckling teeth are arranged at the other end of the buckling component.
More specifically, the hasp of upper and lower lock including setting up in the lock at the hasp back lock tooth to and run through the screens round pin of hasp and set up the torsional spring in screens round pin middle part, the hasp passes through the screens round pin to be installed in the hole of box vertical beam lower extreme both sides, lock tooth and the lock tooth lock at the hasp back on the lock body during the concatenation.
Specifically, the hanging block comprises side blocks arranged on two sides of the middle hanging block, a rotary buckle assembly connected to the side blocks through a protective rope buckle, a square block arranged at the top of the middle hanging block and a hand buckle outer ring.
More specifically, the lower end of the middle hanging block is provided with two grooves for accommodating the lock catches and the bearing convex parts, the lock catches are installed in holes on two sides of the middle hanging block through clamping pins, the bearing blocks and the guide blocks for bearing the bearing convex parts are arranged in the grooves, the upper ends of the bearing blocks are provided with the grooves for accommodating the bearing convex parts, the bearing blocks are movably installed in the grooves along the guide blocks through screws, elastic parts are arranged in screw holes of mounting screws of the bearing blocks, the bearing blocks move towards the insides of the grooves along the guide blocks when the screws are screwed down, and the bearing blocks move towards the outsides of the grooves along the guide blocks when the screws are unscrewed.
More specifically, the lower end surface of the bearing block is in contact with the inner wall of the lower part of the middle hanging block, so that the weight born by the bearing block can be transferred to the middle hanging block.
More specifically, the turn-buckle assembly comprises a left half ring and a right half ring, wherein a locking column and a third pin hole are formed in the left half ring, a first pin hole and a second pin hole are formed in the right half ring, a rope buckle connecting hole is protected, a hole for installing an elastic component is formed in one end side face of the right half ring, the left half ring and the right half ring are movably hinged in the third pin hole and the second pin hole through connecting pins, a buckle component is movably hinged in the first pin hole through the connecting pins, and when the left half ring and the right half ring are buckled through the buckle component, the lower end of the turn-buckle assembly forms a small circular ring to lock the neck of a bearing pin on a box body cross beam.
More specifically, the middle section of the bearing pin is designed into a neck, and the bearing pin penetrates through the side edge block of the hanging block and is locked at the neck by the screwing component.
Specifically, the end face of the upper end of the vertical beam of the box body is provided with a protruding positioning pin, the end face of the lower end of the vertical beam of the box body is provided with a positioning hole for inserting the positioning pin, and the positioning pin of one of the longitudinally adjacent box bodies is inserted into the positioning hole of the second adjacent box body when the box bodies are longitudinally spliced.
The invention has the beneficial effects that: the utility model provides an arc LED display screen that can hoist, it is bulky great to have overcome traditional hanger block, can not dismantle, the inconvenient defect of transportation, and the radian of arc LED display screen changes the advantage that does not receive the hanger block influence when having hoist and mount, has solved traditional hanger block atress simultaneously and has concentrated, does not have duplicate protection's defect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
In particular, in order to make the disclosed drawings more clearly reveal the structure of the key parts of the invention, only the box body, the hanging block and partial structures thereof are disclosed in the disclosed drawings, and components such as an LED lamp panel, a power supply module, a power supply box rear cover and the like are omitted. It should be understood by those skilled in the art that the components omitted from the drawings are not equivalent to the arc-shaped LED display screen disclosed herein.
In the drawings:
FIG. 1 is a schematic view of the hoisting of an arc-shaped LED display screen disclosed by the invention.
FIG. 2 is a schematic view of a single box structure disclosed in the present invention.
FIG. 3 is a schematic view of the vertical beam structure of the single box body disclosed by the invention.
FIG. 4 is a schematic view of the assembly of the hanging block structure disclosed by the invention.
Fig. 5 is an exploded view of the hanger block structure disclosed herein.
Fig. 6 is an exploded view of the middle portion of the hanging block disclosed by the invention.
Fig. 7 is a schematic view of a spinner assembly of the present disclosure.
Figure 8 is an exploded view of the spinner assembly of the present disclosure.
Fig. 9 is a schematic structural diagram of the lock body of the up-down lock disclosed by the invention.
FIG. 10 is a schematic view of the lock structure of the up-down lock disclosed in the present invention.
Detailed Description
To more clearly illustrate embodiments of the present invention or solutions in the prior art, the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these examples provide those skilled in the art with an understanding of the teachings of the present invention. For a person skilled in the art, other similar or equivalent technical solutions can be obtained from these figures without inventive effort.
It will be understood that although the terms "one" and "two" are used herein only to distinguish the relationship of two adjacent boxes, the technical solution of the present invention should not be limited by these terms.
Moreover, relative terms, such as "lower" or "upper", "lateral" or "longitudinal", "left" or "right" and "upper" or "lower", are used herein to describe the relative spatial relationship of one or more components as illustrated in the figures. It will be understood that relative terms are intended to encompass different orientations of the component in addition to the orientation depicted in the figures. For example, if the components in the figures are reversed, the exemplary term "lower end" can therefore encompass both an orientation of "lower end" and "upper end," depending on the particular orientation of the figure. Similarly, if a component in one of the figures is turned over, components described as "below" or "beneath" other components would then be oriented "above" the other components. The term "below" or "beneath" can thus encompass both an orientation of above and below, and similar terms used to describe other orientations and so on.
Unless otherwise defined, terms (including technical and scientific terms) used herein should be construed to have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art, and should not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further illustrated by way of specific examples in conjunction with the accompanying figures 1 to 10:
referring to fig. 1, a schematic lifting diagram of an arc LED display screen is disclosed, and it should be noted that, here, the case of splicing and lifting four cases is only exemplarily disclosed, and only the installation position of the hanging block 02 on the case 01 and the horizontal and vertical splicing relationship of the case 01 are described. Obviously, according to the requirement of the display area of the LED display screen, the LED display screen can be continuously spliced along the transverse direction and the longitudinal direction of the box body, and the invention does not limit the splicing number of the box body. The arc structure design of the box body is not repeated in the invention, and the application number of the invention is CN 2016100850185 (invention name: LED arc screen with variable radian) which is submitted to the intellectual property office of China in 2016, 2, 15 by the applicant.
Referring to the attached figure 2, the structural schematic diagram of the single box body is further disclosed, the box bodies are transversely spliced and fixed through the lifting pin locks 013, at least two lifting pin locks 013 are arranged on the vertical beam 011 at the left side of the box body, at least two locking holes 0111 are correspondingly arranged on the vertical beam at the right side of the box body, and when the box bodies are transversely spliced, the lifting pin lock 013 of one adjacent box body and the locking holes 0111 of the second adjacent box body are matched to lock the two transversely adjacent box bodies. The detailed structure and principle of the lifting pin lock 013 are not repeated in the invention, and see the patent application file with the application number of CN2016100115273 (invention name: LED display screen assembling component and arc LED display screen) which is submitted to the Chinese intellectual property office in 2016, 1, 11. The box crossbeam 012 is provided with a bearing pin 0121, the middle section of the bearing pin 0121 is designed to be a neck 01211, and the bearing pin 0121 passes through a side block 021 of the hanging block 02 and is locked by the rotating buckle component 023 to lock the neck 01211 to bear part of the weight of the box. The turnbuckle component 023 is connected with the side edge block 021 through a protective rope buckle 024, so that the turnbuckle component 023 is not easy to lose, and has double protection effects.
With reference to fig. 3, 9 and 10, further discloses a schematic diagram of a single box vertical beam structure, a schematic diagram of an up-down lock body structure, and a schematic diagram of an up-down lock latch structure. The lock body 0112 of locking from top to bottom is installed to the upper end of vertical beam 011, lock body 0112 of locking from top to bottom include hasp part 01122 and lock part 01121. One end of the hasp component 01122 and one end of the buckling component 01121 can be hinged and installed in holes on two sides of the upper end of the vertical beam 011 of the box body in a pivoting manner, a bearing convex part 011221 buckled in the adjacent vertical beam of the box body is arranged at the other end of the hasp component 01122, and an outward buckling tooth 011211 is arranged at the other end of the buckling component 01121. The lower end of the vertical beam 011 is provided with a lock 0113 locked up and down. Hasp 0113 of locking from top to bottom including setting up in the lock tooth 01131 at the hasp back to and run through the screens round pin 01132 of hasp and set up in the torsional spring 01133 at screens round pin middle part, hasp 0113 installs in the hole of box vertical beam 011 lower extreme both sides through screens round pin 01132. When vertically splicing the boxes, the lock body 0112 at the upper end of the vertical beam of one of the vertically adjacent boxes and the lock buckle 0113 at the lower end of the vertical beam of the second vertically adjacent box are matched to lock the two vertically adjacent boxes, the lock teeth 011211 on the lock body are buckled with the lock teeth 01131 at the back of the lock buckle, and the bearing convex part 011221 is prevented from slipping from the lower end of the vertical beam of the box. When the longitudinally spliced box body needs to be dismantled, the lock buckle 0113 is pulled upwards to separate the buckling teeth 01131 on the lock buckle from the buckling teeth 011211 on the buckling part, and the bearing convex part 011221 of the hasp component is separated from the lower end of the vertical beam 011 of the box body to complete the dismantling. Meanwhile, the end face of the upper end of the vertical beam of the box body is provided with a protruding positioning pin 0114, the end face of the lower end of the vertical beam of the box body is provided with a corresponding positioning hole for inserting the positioning pin, and when the box bodies are longitudinally spliced, the positioning pin of one of the longitudinally adjacent box bodies is inserted into the positioning hole of the other one of the longitudinally adjacent box bodies, so that the positioning accuracy is improved.
With reference to fig. 4, 5 and 6, further disclosed are a schematic view of the assembly of the hanging block structure, a schematic view of the explosion of the hanging block structure and a schematic view of the explosion of the middle part of the hanging block. The hanging block 02 includes side blocks 021 disposed at both sides of the middle hanging block 026, a rotating buckle component 023 connected to the side blocks 021 through a protective rope buckle 024, and a block 025 disposed at the top of the middle hanging block 026 and a hand buckle outer ring 022.
Specifically, the side blocks 021 are fixed at two sides of the lower end of the middle hanging block 026 by screws, the block 025 is fixed in screw holes at two sides of the top of the middle hanging block 026 by screws, and the hand buckle outer ring 022 is connected and fixed with the top of the block 025 by screws.
More specifically, the lower end of the middle hanging block 026 is provided with two grooves for accommodating the lock 0113 and the bearing convex part 011221, the lock 0113 is installed in a hole 0264 on both sides of the middle hanging block 026 through a locking pin, a bearing block 0263 and a guide block 0261 for bearing the bearing convex part 011221 are arranged in the grooves, the upper end of the bearing block 0263 is provided with a groove 02631 for accommodating the bearing convex part, the bearing block 0263 is movably installed in the grooves along the guide block 0261 through a screw 0262, an elastic part is arranged in the screw hole of the mounting screw 0262 of the bearing block 0263, the bearing block 0263 moves inwards along the guide block 0261 when the screw 0262 is screwed down, the bearing block 0263 moves outwards along the guide block 0261 when the screw 0262 is unscrewed, and a fine adjustment effect is achieved, so that the bearing convex part 011221 can be better fitted in the groove 02631 of the bearing block. The lower end surface of the bearing block 0263 contacts with the inner wall of the lower part of the middle hanging block 026, so that the weight born by the bearing block 0263 can be transferred to the middle hanging block 026, and the inner wall of the lower part of the middle hanging block 026 bears the weight of the box body.
Referring to fig. 7 and 8, there are disclosed a schematic view of a spinner assembly and an exploded view of the spinner assembly, wherein the spinner assembly 023 includes a left half ring 0231 and a right half ring 0232, the left half ring 0231 is provided with locking columns 02311 and a third pin hole 02312, the right half ring 0232 is provided with a first pin hole 02321 and a second pin hole 02324, a protective cord lock connection hole 02322, and a hole 02325 provided at one end side of the right half ring 0232 for mounting an elastic member 0235, the left half ring 0231 and the right half ring 0232 are movably hinged in the third pin hole 02312 and the second pin hole 02324 by a connection pin 0234, and the fastener member 0233 is movably hinged in the first pin hole 02321 by a connection pin 0234. When left half 0231 and right half 0232 are buckled through hasp part 0233, the lower extreme of spinner subassembly 023 forms little ring 02323 and locks neck 01211 of the bearing pin on the box crossbeam and realizes the bearing function.
The design in the groove of the hanging block is the same as the structural design in the lower end of the vertical beam of the box body, so that when the box body is longitudinally spliced, the lock body at the upper end of the vertical beam of the box body can be spliced with the lock catch at the lower end of the vertical beam of the adjacent box body and can also be spliced with the lock catch in the groove of the hanging block, and the general functions of the box body and the hanging block are enhanced.
While the invention has been described herein with reference to specific aspects, features and illustrative embodiments of the invention, it will be appreciated that the invention is not thus limited in its application, but extends to and encompasses numerous other variations, modifications and alternative embodiments, as will suggest themselves to those of ordinary skill in the art to which the invention pertains, based on the disclosure herein. Accordingly, any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an arc LED display screen that can hoist, includes a plurality of box and hangs the piece, a plurality of box transversely with vertically splice into required display area's LED display screen, hang the piece and install on the crossbeam of two adjacent boxes its characterized in that: the transverse splicing of the box bodies is fixedly connected through a lifting pin lock, the lifting pin lock is arranged on the left vertical beam of one of the transverse adjacent box bodies, the lock hole is correspondingly arranged on the right vertical beam of the second transverse adjacent box body, and the lifting pin lock and the lock hole are matched to lock the two transverse adjacent box bodies; the longitudinal splicing of the box bodies is fixedly connected through an upper lock and a lower lock, the upper lock and the lower lock comprise lock bodies arranged at the upper ends of the vertical beams of the box bodies and lock catches arranged at the lower ends of the vertical beams of the box bodies, and the lock bodies at the upper ends of the vertical beams of one longitudinally adjacent box body are matched with the lock catches at the lower ends of the vertical beams of the two longitudinally adjacent box bodies to lock the two longitudinally adjacent box bodies; the lock body of the upper lock and the lower lock comprises a hasp component and a buckling component, one end of the hasp component and one end of the buckling component can be hinged around a shaft and are arranged in holes on two sides of the upper end of the vertical beam of the box body, a bearing convex part buckled in the vertical beam of the adjacent box body is arranged at the other end of the hasp component, and an outward buckling tooth is arranged at the other end of the buckling component.
2. The hoistable arc-shaped LED display screen of claim 1, which is characterized in that: the lock catch of the upper lock and the lower lock comprises lock teeth arranged on the back face of the lock catch, a clamping pin penetrating through the lock catch and a torsion spring arranged in the middle of the clamping pin, the lock catch is installed in holes in two sides of the lower end of the vertical beam and two sides of the groove of the hanging block of the box body through the clamping pin, and the lock teeth on the lock body are locked with the lock teeth on the back face of the lock catch during splicing.
3. The hoistable arc-shaped LED display screen of claim 1, which is characterized in that: the hanging block comprises side blocks arranged on two sides of the middle hanging block, a rotary buckle assembly connected to the side blocks through a protective rope buckle, a square block arranged at the top of the middle hanging block and a hand buckle outer ring.
4. The hoistable arc-shaped LED display screen of claim 3, wherein: the middle lifting block is provided with two grooves for accommodating the lock catches and the bearing convex parts, the lock catches are installed in holes on two sides of the middle lifting block through clamping pins, bearing blocks and guide blocks for bearing the bearing convex parts are arranged in the grooves, the upper ends of the bearing blocks are provided with grooves for accommodating the bearing convex parts, the bearing blocks are movably installed in the grooves through screws along the guide blocks, elastic parts are arranged in screw holes of mounting screws of the bearing blocks, the bearing blocks move towards the insides of the grooves along the guide blocks when the screws are screwed down, and the bearing blocks move towards the outsides of the grooves along the guide blocks when the screws are unscrewed.
5. The hoistable arc-shaped LED display screen of claim 4, wherein: the lower end surface of the bearing block is contacted with the inner wall of the lower part of the middle hanging block, so that the weight born by the bearing block can be transferred to the middle hanging block.
6. The hoistable arc-shaped LED display screen of claim 3, wherein: the rotary fastening component comprises a left half ring and a right half ring, a locking column and a third pin hole are arranged on the left half ring, a first pin hole and a second pin hole are formed in the right half ring, a rope fastening connecting hole is protected, a hole for installing an elastic component is formed in one end side face of the right half ring, the left half ring and the right half ring are movably hinged in the third pin hole and the second pin hole through connecting pins, a fastening component is movably hinged in the first pin hole through the connecting pins, and when the left half ring and the right half ring are fastened through the fastening component, the lower end of the rotary fastening component forms a small ring to lock the neck of a bearing pin on a box beam.
7. The hoistable arc-shaped LED display screen of claim 6, wherein: the middle section of the bearing pin is designed into a neck, and the bearing pin penetrates through the side edge block of the hanging block and is locked by the screwing component.
8. The hoistable arc-shaped LED display screen of claim 1, which is characterized in that: the end face of the upper end of the vertical beam of the box body is provided with a protruding positioning pin, the end face of the lower end of the vertical beam of the box body is provided with a positioning hole for the insertion of the positioning pin, and the positioning pin of one of the longitudinally adjacent box bodies is inserted into the positioning hole of the second adjacent box body when the box bodies are longitudinally spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267392.7A CN105761628B (en) | 2016-04-27 | 2016-04-27 | Arc-shaped LED display screen capable of being hoisted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267392.7A CN105761628B (en) | 2016-04-27 | 2016-04-27 | Arc-shaped LED display screen capable of being hoisted |
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| Publication Number | Publication Date |
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| CN105761628A CN105761628A (en) | 2016-07-13 |
| CN105761628B true CN105761628B (en) | 2020-05-22 |
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| CN201610267392.7A Expired - Fee Related CN105761628B (en) | 2016-04-27 | 2016-04-27 | Arc-shaped LED display screen capable of being hoisted |
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| CN106128318B (en) * | 2016-08-17 | 2022-09-06 | 深圳市光祥科技股份有限公司 | Connecting mechanism of double-angle splicing multi-unit body and LED display screen |
| CN107146541A (en) * | 2017-06-30 | 2017-09-08 | 深圳市丽晶光电科技股份有限公司 | A kind of profile structure type shows fixing device and display screen |
| CN107492018A (en) * | 2017-08-24 | 2017-12-19 | 温州大学瓯江学院 | A kind of room furniture buys budgeting system |
| CN107705711A (en) * | 2017-10-09 | 2018-02-16 | 深圳市联而达精铸有限公司 | A kind of LED display casing of angle adjustable splicing |
| CN107578714B (en) | 2017-10-17 | 2023-09-29 | 深圳市创显光电有限公司 | Intelligent LED display screen |
| CN111486159A (en) * | 2020-04-29 | 2020-08-04 | 深圳市德铭光科技有限公司 | L ED box body connecting lock |
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| CN105761628A (en) | 2016-07-13 |
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