CN215643530U - Intelligent liquid crystal splicing screen with strong anti-interference performance - Google Patents
Intelligent liquid crystal splicing screen with strong anti-interference performance Download PDFInfo
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- CN215643530U CN215643530U CN202122121711.2U CN202122121711U CN215643530U CN 215643530 U CN215643530 U CN 215643530U CN 202122121711 U CN202122121711 U CN 202122121711U CN 215643530 U CN215643530 U CN 215643530U
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Abstract
The utility model discloses an intelligent liquid crystal splicing screen with strong anti-interference performance, which comprises four intelligent liquid crystal screens, wherein the two intelligent liquid crystal screens which are opposite from each other from left to right and are opposite from top to bottom are in movable contact with one sides, which are close to each other, the outer sides of the intelligent liquid crystal screens are fixedly connected with L-shaped anti-interference strips, the four L-shaped anti-interference strips form a rectangular frame body, the rear sides of the intelligent liquid crystal screens are fixedly connected with rectangular insertion blocks, the sides, which are close to each other, of the two rectangular insertion blocks which are opposite from left to right are provided with clamping grooves, and the four rectangular insertion blocks are movably sleeved with the same return plate. According to the utility model, the rectangular frame body formed by the four L-shaped anti-interference strips can reduce the interference of an external magnetic field on the intelligent liquid crystal screen, improve the anti-interference performance, facilitate the quick disassembly, assembly, splicing and fixing of the four intelligent liquid crystal screens, facilitate the subsequent disassembly, assembly and maintenance work of personnel, facilitate the buffer protection of the intelligent liquid crystal screen when the intelligent liquid crystal screen is subjected to strong wind of external airflow, reduce the risk of impact damage of the intelligent liquid crystal screen, and meet the use requirements.
Description
Technical Field
The utility model relates to the technical field of intelligent liquid crystal spliced screens, in particular to an intelligent liquid crystal spliced screen with strong anti-interference performance.
Background
The size of the whole display screen is increased through a splicing mode between outdoor liquid crystal splicing screens, pure copper anti-interference strips are fixed on the outer sides of the liquid crystal screens, an external magnetic field can be isolated from liquid crystal screen elements, the interference of the external magnetic field to the liquid crystal screen elements is effectively reduced, and the anti-interference performance is high.
In the existing intelligent liquid crystal splicing screen with strong anti-interference performance, a plurality of liquid crystal screens are mostly spliced by adopting a fixing plate to be matched with a plurality of bolts for fixing; the defect that quick disassembly and assembly splicing is inconvenient to exist, subsequent inconvenient disassembly and assembly and maintenance operations are inconvenient, and the buffer function is lacked, so that the buffer and disassembly force cannot be carried out when external airflow is strong, the risk of damage to the liquid crystal screen is large, the use requirement cannot be met, and therefore the intelligent liquid crystal splicing screen with strong anti-interference performance is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides an intelligent liquid crystal splicing screen with strong anti-interference performance.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an intelligent liquid crystal splicing screen with strong anti-interference performance comprises four intelligent liquid crystal screens, wherein one sides, close to each other, of the two intelligent liquid crystal screens which are opposite from each other left and right and opposite from each other up and down are in movable contact, the outer sides of the intelligent liquid crystal screens are fixedly connected with L-shaped anti-interference strips, the four L-shaped anti-interference strips form a rectangular frame body, the rear sides of the intelligent liquid crystal screens are fixedly connected with rectangular insertion blocks, one sides, close to each other, of the two rectangular insertion blocks which are opposite from each other left and right are provided with clamping grooves, the four rectangular insertion blocks are movably sleeved with a same return plate, the return plate is provided with a quick synchronous clamping mechanism clamped with the four clamping grooves, and the rear sides of the return plate are fixedly connected with a buffering supporting mechanism;
quick synchronous card solid mechanism is including fixing the pole of returning the shape between shape board top inner wall and the bottom inner wall, and it is equipped with the sliding sleeve to return sliding sleeve on the shape pole, it has the carriage release lever to return equal movable contact on the both sides inner wall of shape board, one side fixedly connected with two fixture blocks of the pole of returning the shape are kept away from to the carriage release lever, one side that the corresponding carriage release lever was kept away from to the fixture block extends to in the draw-in groove and clamps mutually with the draw-in groove, one side that the carriage release lever is close to the pole of returning the shape and return between two extension springs that are in tensile state of fixedly connected with between the shape pole, the carriage release lever is close to one side of sliding sleeve and articulates the connecting rod that has the slope to set up between the sliding sleeve, two connecting rod symmetries set up, it installs the screw rod to rotate on the bottom inner wall of the pole of returning the shape, the top of screw rod extends to the top and fixedly connected with knob of returning the shape board, fixedly connected with screw thread bush establishes the lift seat on the screw rod between the both sides inner wall of sliding sleeve.
Preferably, buffering supporting mechanism is including fixing two inner tubes at the shape of returning the back side, and the front end of inner tube is established to block structure, and the equal sliding sleeve of back end of two outer tubes is equipped with the outer tube on two inner tubes, the equal fixedly connected with fixed plate in back end of two outer tubes, fixedly connected with buffer spring between the front side of fixed plate and the front end inner wall of the inner tube that corresponds.
Preferably, the front side of the return plate is rectangular and is provided with four rectangular jacks, the inner walls of the rectangular jacks are in movable contact with the outer sides of the corresponding rectangular insertion blocks, the inner wall of one side, close to each other, of each of the two opposite rectangular jacks is provided with a guide hole, and the inner wall of each guide hole is in sliding connection with the outer side of the corresponding clamping block.
Preferably, the L-shaped interference preventing strip is made of pure copper.
Preferably, the top of the lifting seat is provided with a threaded hole, the threaded hole is in threaded connection with the screw, and the front side and the rear side of the lifting seat are respectively in sliding connection with the inner wall of the front side and the inner wall of the rear side of the clip rod.
Preferably, a groove is formed in the inner wall of one side, close to the clip-shaped rod, of the moving rod, and the inner wall of one side, far away from the opening, of the groove is hinged to one end, far away from the sliding sleeve, of the corresponding connecting rod.
Preferably, the inner wall of the bottom of the clip rod is fixedly connected with a first bearing, the inner wall of the top of the clip rod is provided with a round hole, a second bearing is fixedly sleeved in the round hole, and the inner side of the inner ring of the second bearing and the inner side of the inner ring of the first bearing are fixedly connected with the outer side of the screw rod.
Preferably, the spacing groove has been seted up to the bottom of inner tube, fixedly connected with stopper on the bottom inner wall of outer tube, and stopper and the spacing groove sliding connection who corresponds, all bond fixedly on the front side inner wall of spacing groove and the rear side inner wall and have the flexible glue piece.
Compared with the prior art, the utility model has the beneficial effects that:
by matching the intelligent liquid crystal screen, the L-shaped anti-interference strips, the clip plate, the rectangular jacks, the moving rods, the clamping blocks, the clip rods, the extension springs, the sliding sleeves, the connecting rods, the screw rods, the lifting seats, the knobs, the inner tubes, the outer tubes, the fixed plates, the rectangular inserting blocks and the clamping grooves with the buffer springs, the rectangular frame body formed by the four L-shaped anti-interference strips can surround the four intelligent liquid crystal screens, effectively reduces the interference of an external magnetic field on internal elements thereof, improves the anti-interference performance, when the intelligent liquid crystal display screen is impacted by external airflow and strong wind, the four intelligent liquid crystal display screens are impacted to move backwards and drive the return plates to move backwards, the return plates drive the two inner tubes to respectively slide backwards in the corresponding outer tubes and compress the buffer springs, under the elastic force of the buffer spring, the impact force can be buffered and relieved, and the risk that the intelligent liquid crystal display is impacted and damaged by external airflow and strong wind is reduced;
when the disassembly and maintenance are carried out, the knob is rotated in the forward direction to drive the screw rod to rotate, the screw rod can drive the lifting seat to move upwards, the lifting seat drives the sliding sleeve to slide upwards on the square-shaped rod, the sliding sleeve drives the two connecting rods to rotationally pull the two moving rods towards the middle, at the moment, the elastic force of the four stretching springs in a stretching state drives the two moving rods to move towards the direction close to each other, the moving rods drive the corresponding clamping blocks to be separated from the clamping grooves, at the moment, the intelligent liquid crystal screen can be moved forwards to drive the corresponding rectangular inserting blocks to move out of the rectangular inserting blocks, the disassembly is finished, when the assembly is carried out, the four intelligent liquid crystal screens are moved backwards to respectively drive the corresponding rectangular inserting blocks to be inserted into the rectangular inserting holes, at the moment, the sliding sleeve is rotated downwards by the reverse rotation of the knob, the sliding sleeve drives the two connecting rods to rotationally extrude the two moving rods towards the directions far away from each other, and the two moving rods move towards the directions far away from each other and stretch the four stretching springs, the movable rod drives the corresponding clamping blocks to move back and clamp into the clamping grooves, four rectangular inserting blocks are clamped and fixed, four intelligent liquid crystal screens are fixed, assembly is completed, and the four intelligent liquid crystal screens are conveniently and quickly disassembled, assembled and fixed.
According to the utility model, the rectangular frame body formed by the four L-shaped anti-interference strips can reduce the interference of an external magnetic field on the intelligent liquid crystal screen, improve the anti-interference performance, facilitate the quick disassembly, assembly, splicing and fixing of the four intelligent liquid crystal screens, facilitate the subsequent disassembly, assembly and maintenance work of personnel, facilitate the buffer protection of the intelligent liquid crystal screen when the intelligent liquid crystal screen is subjected to strong wind of external airflow, reduce the risk of impact damage of the intelligent liquid crystal screen, and meet the use requirements.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent liquid crystal splicing screen with strong anti-interference performance according to the present invention;
FIG. 2 is a schematic diagram of a rear view structure of an intelligent liquid crystal splicing screen with strong anti-interference performance according to the present invention;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
FIG. 4 is a schematic diagram of a right-view structure of an intelligent liquid crystal splicing screen with strong anti-interference performance according to the present invention;
FIG. 5 is a schematic diagram of a right-side cross-sectional structure of a buffering support mechanism of an intelligent liquid crystal splicing screen with strong anti-interference performance according to the present invention;
fig. 6 is a schematic rear view structural diagram of a return plate and two inner tube connecting pieces of the intelligent liquid crystal splicing screen with strong anti-interference performance.
In the figure: 100 intelligent LCD screen, 101L shape jam-proof strip, 1 back of shape board, 2 rectangle jacks, 3 carriage release levers, 4 fixture blocks, 5 back of shape poles, 6 extension spring, 7 sliding sleeves, 8 connecting rods, 9 screws, 10 lift seats, 11 knobs, 12 inner tubes, 13 outer tubes, 14 fixed plates, 15 rectangle inserted blocks, 16 draw-in grooves, 17 buffer spring.
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.
Referring to fig. 1-6, an intelligent liquid crystal splicing screen with strong anti-interference performance comprises four intelligent liquid crystal screens 100, wherein the left and right sides of the two intelligent liquid crystal screens 100 which are opposite to each other and the upper and lower sides of the two intelligent liquid crystal screens 100 which are opposite to each other are in movable contact with each other, the outer sides of the intelligent liquid crystal screens 100 are fixedly connected with L-shaped anti-interference strips 101, the four L-shaped anti-interference strips 101 form a rectangular frame body, the rear sides of the intelligent liquid crystal screens 100 are fixedly connected with rectangular insertion blocks 15, the sides, close to each other, of the two rectangular insertion blocks 15 which are opposite to each other are provided with clamping grooves 16, the four rectangular insertion blocks 15 are movably sleeved with a same return plate 1, the return plate 1 is provided with a quick synchronous clamping mechanism clamped with the four clamping grooves 16, and the rear side of the return plate 1 is fixedly connected with a buffering supporting mechanism;
the quick synchronous clamping mechanism comprises a clip rod 5 fixed between the inner wall of the top and the inner wall of the bottom of a clip plate 1, a sliding sleeve 7 is slidably sleeved on the clip rod 5, moving rods 3 are movably contacted on the inner walls of the two sides of the clip plate 1, one side of the moving rod 3 far away from the clip rod 5 is fixedly connected with two clamping blocks 4, one side of the clamping block 4 far away from the corresponding moving rod 3 extends into a clamping groove 16 and is clamped with the clamping groove 16, two extension springs 6 in a stretching state are fixedly connected between one side of the moving rod 3 close to the clip rod 5 and the clip rod 5, obliquely arranged connecting rods 8 are hinged between one side of the moving rod 3 close to the sliding sleeve 7 and the sliding sleeve 7, the two connecting rods 8 are symmetrically arranged, a screw rod 9 is rotatably installed on the inner wall of the bottom of the clip rod 5, the top end of the screw rod 9 extends to the upper side of the clip plate 1 and is fixedly connected with a knob 11, a lifting seat 10 is fixedly connected between the inner walls of the two sides of the sliding sleeve 7 and is sleeved on the screw rod 9, wherein a screw rod reserved through hole for the screw rod 9 to vertically pass through is reserved on the inner wall of the top of the return plate 1;
the buffer support mechanism comprises two inner tubes 12 fixed on the rear side of the return plate 1, the front ends of the inner tubes 12 are of a blocking structure, the two inner tubes 12 are respectively sleeved with an outer tube 13 in a sliding mode, the rear ends of the two outer tubes 13 are respectively and fixedly connected with a fixing plate 14, and a buffer spring 17 is fixedly connected between the front side of each fixing plate 14 and the inner wall of the front end of the corresponding inner tube 12.
In the utility model, four rectangular jacks 2 are arranged on the front side of a rectangular return plate 1, the inner walls of the rectangular jacks 2 are movably contacted with the outer sides of corresponding rectangular insertion blocks 15, guide holes are arranged on the inner walls of the two opposite left and right rectangular jacks 2 close to each other, the inner walls of the guide holes are slidably connected with the outer sides of corresponding fixture blocks 4, an L-shaped interference preventing strip 101 is made of pure copper, a threaded hole is arranged on the top of a lifting seat 10, the threaded hole is in threaded connection with a screw rod 9, the front side and the rear side of the lifting seat 10 are respectively slidably connected with the inner walls of the front side and the rear side of a return rod 5, a groove is arranged on the inner wall of one side of a movable rod 3 close to the return rod 5, the inner wall of one side of the groove far away from the opening of the groove is hinged with one end of a corresponding connecting rod 8 far away from a sliding sleeve 7, a first bearing is fixedly connected with the inner wall of the bottom of the return rod 5, a round hole is arranged on the inner wall of the top of the return rod 5, the inner side of the inner ring of the second bearing and the inner side of the inner ring of the first bearing are fixedly connected with the outer side of the screw rod 9, the bottom of the inner tube 12 is provided with a limiting groove, the inner wall of the bottom of the outer tube 13 is fixedly connected with a limiting block, the limiting block is in sliding connection with the corresponding limiting groove, and the inner walls of the front side and the rear side of the limiting groove are respectively bonded and fixed with a soft rubber block.
The working principle is as follows: when the intelligent liquid crystal display is used, the four intelligent liquid crystal screens 100 are in a splicing state, the rectangular frame body formed by the four L-shaped anti-interference strips 101 can surround the four intelligent liquid crystal screens 100, an external magnetic field can be isolated from the intelligent liquid crystal screens 100, the interference of the external magnetic field on internal elements is effectively reduced, the anti-interference performance is improved, when the four intelligent liquid crystal screens 100 are impacted by external airflow and strong wind, the four intelligent liquid crystal screens 100 move backwards under the impact, and drives the return-shaped plate 1 to move backwards, the return-shaped plate 1 drives the two inner tubes 12 to move backwards, the inner tubes 12 slide backwards in the corresponding outer tubes 13 and compress the buffer springs 17, under the elasticity of the buffer spring 17, the impact force can be buffered and unloaded, the impact energy can be weakened in a mode of converting the impact force into elastic potential energy at a small distance, and the risk that the intelligent liquid crystal screen 100 is impacted and damaged by external airflow and strong wind is reduced;
when disassembly and maintenance are needed, the knob 11 is rotated forward to drive the screw rod 9 to rotate, under the action of a threaded hole formed in the lifting seat 10, the screw rod 9 rotates to drive the lifting seat 10 to move upwards, the lifting seat 10 drives the sliding sleeve 7 to slide upwards on the clip-shaped rod 5, the sliding sleeve 7 pulls the two connecting rods 8 to rotate upwards, the two connecting rods 8 pull the two moving rods 3 towards the middle, at the moment, the elasticity of the four stretching springs 6 in a stretching state drives the two moving rods 3 to move towards the mutually approaching direction, the moving rods 3 drive the two corresponding clamping blocks 4 to move towards the direction close to the clip-shaped rod 5, at the moment, the clamping blocks 4 are separated from the corresponding clamping grooves 16, clamping of the four rectangular insertion blocks 15 is synchronously released, at the moment, the intelligent liquid crystal screen 100 can be moved forward to drive the corresponding rectangular insertion blocks 15 to move out of the rectangular insertion holes 2, the disassembly is completed, and rapid disassembly is facilitated;
during the equipment, after the four intelligent LCD screens 100 are moved backwards, the four intelligent LCD screens 100 are respectively driven to correspond to the rectangular insertion blocks 15 to be inserted into the rectangular insertion holes 2, at the moment, the knob 11 is reversely rotated to drive the screw rod 9 to rotate, the screw rod 9 can drive the lifting seat 10 to move downwards, the lifting seat 10 drives the sliding sleeve 7 to move downwards, the sliding sleeve 7 drives the two connecting rods 8 to rotate and extrude the two moving rods 3 towards the directions far away from each other, under the extrusion force, the two moving rods 3 move towards the directions far away from each other and stretch the four stretching springs 6, the moving rods 3 drive the corresponding clamping blocks 4 to move backwards and clamp into the clamping grooves 16, the four rectangular insertion blocks 15 are clamped and fixed, the four intelligent LCD screens 100 are fixed, the assembly is completed, the four intelligent LCD screens 100 can be conveniently and rapidly assembled and spliced, and the subsequent assembly, disassembly, repair and maintenance work of personnel is facilitated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. An intelligent liquid crystal splicing screen with strong anti-interference performance comprises four intelligent liquid crystal screens (100), wherein the sides, close to each other, of the two intelligent liquid crystal screens (100) which are opposite from left to right and opposite from top to bottom are in movable contact, the outer side of the intelligent liquid crystal screen (100) is fixedly connected with an L-shaped anti-interference strip (101), the four L-shaped anti-interference strips (101) form a rectangular frame body, it is characterized in that the rear side of the intelligent liquid crystal screen (100) is fixedly connected with rectangular insertion blocks (15), the sides of the two rectangular insertion blocks (15) which are opposite from each other at the left and the right and are close to each other are respectively provided with a clamping groove (16), the four rectangular insertion blocks (15) are movably sleeved with the same return plate (1), the return plate (1) is provided with a rapid synchronous clamping mechanism clamped with the four clamping grooves (16), and the rear side of the return plate (1) is fixedly connected with a buffering supporting mechanism;
the quick synchronous clamping mechanism comprises a clip rod (5) fixed between the inner wall of the top part and the inner wall of the bottom part of a clip-shaped plate (1), a sliding sleeve (7) is sleeved on the clip rod (5) in a sliding manner, moving rods (3) are movably contacted on the inner walls of two sides of the clip-shaped plate (1), two clamping blocks (4) are fixedly connected to one side of each moving rod (3) far away from the clip rod (5), one side of each clamping block (4) far away from the corresponding moving rod (3) extends into a clamping groove (16) and is clamped with the clamping groove (16), two stretching springs (6) in a stretching state are fixedly connected between one side of each moving rod (3) close to the clip rod (5) and the clip rod (5), connecting rods (8) which are obliquely arranged are hinged between one side of each moving rod (3) close to the sliding sleeve (7) and the sliding sleeve (7), the two connecting rods (8) are symmetrically arranged, a screw (9) is rotatably installed on the inner wall of the bottom part of the clip rod (5), the top end of the screw rod (9) extends to the upper part of the return-shaped plate (1) and is fixedly connected with a knob (11), and a lifting seat (10) which is sleeved on the screw rod (9) through threads is fixedly connected between the inner walls of the two sides of the sliding sleeve (7).
2. The intelligent liquid crystal splicing screen with strong interference resistance according to claim 1, wherein the buffering support mechanism comprises two inner tubes (12) fixed at the rear side of the return plate (1), the front ends of the inner tubes (12) are arranged to be of a blocking structure, outer tubes (13) are respectively slidably sleeved on the two inner tubes (12), fixing plates (14) are respectively fixedly connected at the rear ends of the two outer tubes (13), and buffering springs (17) are fixedly connected between the front sides of the fixing plates (14) and the inner walls of the front ends of the corresponding inner tubes (12).
3. The intelligent liquid crystal splicing screen with strong interference resistance as claimed in claim 1, wherein the front side of the return plate (1) is rectangular and is provided with four rectangular insertion holes (2), the inner walls of the rectangular insertion holes (2) are movably contacted with the outer sides of the corresponding rectangular insertion blocks (15), the inner walls of the left and right opposite rectangular insertion holes (2) close to each other are provided with guide holes, and the inner walls of the guide holes are slidably connected with the outer sides of the corresponding fixture blocks (4).
4. The smart LCD splicing screen of claim 1, wherein the L-shaped interference-proof strips (101) are made of pure copper.
5. The intelligent liquid crystal splicing screen with strong interference resistance as claimed in claim 1, wherein a threaded hole is formed in the top of the lifting seat (10), the threaded hole is in threaded connection with the screw rod (9), and the front side and the rear side of the lifting seat (10) are respectively in sliding connection with the inner wall of the front side and the inner wall of the rear side of the clip rod (5).
6. The intelligent spliced liquid crystal display screen with high interference resistance as claimed in claim 1, wherein a groove is formed in the inner wall of one side of the moving rod (3) close to the clip rod (5), and the inner wall of one side of the groove far away from the opening of the groove is hinged with one end of the corresponding connecting rod (8) far away from the sliding sleeve (7).
7. The intelligent liquid crystal splicing screen with strong interference resistance as claimed in claim 1, wherein a first bearing is fixedly connected to the inner wall of the bottom of the clip rod (5), a circular hole is formed in the inner wall of the top of the clip rod (5), a second bearing is fixedly sleeved in the circular hole, and the inner side of an inner ring of the second bearing and the inner side of an inner ring of the first bearing are fixedly connected with the outer side of the screw rod (9).
8. The intelligent liquid crystal splicing screen with strong interference resistance as claimed in claim 2, wherein a limiting groove is formed in the bottom of the inner tube (12), a limiting block is fixedly connected to the inner wall of the bottom of the outer tube (13) and is in sliding connection with the corresponding limiting groove, and soft rubber blocks are fixedly bonded to the inner wall of the front side and the inner wall of the rear side of the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122121711.2U CN215643530U (en) | 2021-09-03 | 2021-09-03 | Intelligent liquid crystal splicing screen with strong anti-interference performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122121711.2U CN215643530U (en) | 2021-09-03 | 2021-09-03 | Intelligent liquid crystal splicing screen with strong anti-interference performance |
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| CN215643530U true CN215643530U (en) | 2022-01-25 |
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| CN202122121711.2U Active CN215643530U (en) | 2021-09-03 | 2021-09-03 | Intelligent liquid crystal splicing screen with strong anti-interference performance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273679A (en) * | 2022-08-20 | 2022-11-01 | 深圳市蓝极星光电科技有限公司 | Splicing connection structure of display screen and flexible LED display screen |
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2021
- 2021-09-03 CN CN202122121711.2U patent/CN215643530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115273679A (en) * | 2022-08-20 | 2022-11-01 | 深圳市蓝极星光电科技有限公司 | Splicing connection structure of display screen and flexible LED display screen |
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