CN211654189U - Anti-collision protection structure for LED display screen - Google Patents
Anti-collision protection structure for LED display screen Download PDFInfo
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- CN211654189U CN211654189U CN202020623488.4U CN202020623488U CN211654189U CN 211654189 U CN211654189 U CN 211654189U CN 202020623488 U CN202020623488 U CN 202020623488U CN 211654189 U CN211654189 U CN 211654189U
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- shell
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Abstract
The utility model belongs to the technical field of protective devices, in particular to an anti-collision protective structure of an LED display screen, aiming at the problem that the installation process is too complicated because each corner of the display screen needs to be correspondingly installed with the protective device in the process of installing the protective device, the utility model provides a shell, wherein the top of the shell is rotatably provided with a top cover, the top of the top cover is fixedly provided with a handle, the inner walls of the two sides of the shell are both provided with air bags, the inner wall of the bottom of the shell is fixedly provided with a fixed seat, the fixed seat is provided with a first chute, a slide bar is slidably arranged in the first chute, in the utility model, the horizontal direction is buffered and protected by the air bags, then the structure has the vertical direction buffering effect by the first spring and other structures, two slide plates and a rubber pad are used for clamping the LED display screen, in the whole process, only two pull rods and two rotating rods need to be operated, so that the operation is convenient and fast.
Description
Technical Field
The utility model relates to a protection device technical field especially relates to a LED display screen anticollision protective structure.
Background
The LED is a light emitting diode, the LED display screen is a display screen formed by connecting a large number of light emitting diodes, the light emitting diode is small and exquisite in structure and easy to damage, and the LED display screen is easy to damage after being collided to a certain degree, so that the LED display screen needs to be protected by using a related protection device in the transportation process.
The existing anti-collision protection structure mainly realizes the buffering effect through structures such as an air bag and a spring so as to reduce the collision speed in the collision process, but the display screen needs to correspond each corner of the display screen to the protection device to play the protection effect after installation when being installed in the process of installing the protection device, so that the installation process is excessively complicated, and the problem is solved by a novel protection structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the in-process that has the display screen among the prior art and putting into protection device, need correspond each corner of display screen and protection device and just can play the protection effect after the installation, consequently the installation too loaded down with trivial details shortcoming, and the LED display screen anticollision protective structure who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an anti-collision protection structure of an LED display screen comprises a shell, wherein a top cover is rotatably mounted at the top of the shell, a handle is fixedly mounted at the top of the top cover, the top cover is fixed through a zipper, air bags are arranged on the inner walls of two sides of the shell, a fixed seat is fixedly mounted on the inner wall of the bottom of the shell, a first chute is formed in the fixed seat, a slide bar is slidably mounted in the first chute, one end of a first spring is fixedly mounted at the bottom of the slide bar, the other end of the first spring is fixedly mounted at the bottom of the first chute, a top plate is fixedly mounted at the top of the slide bar, two slide plates are slidably mounted at the top of the top plate and matched with each other, a rubber pad is fixedly mounted on the side surfaces of the two slide plates, a second chute is formed in one side of the slide bar, an elastic block is slidably, the other end fixed mounting of second spring is on the bottom inner wall of second spout, and the third spout has been seted up to one side of fixing base, and slidable mounting has the stopper in the third spout, third spout and bullet piece looks adaptation, and in the bullet piece can just imbed the third spout, and after in the bullet piece imbeds the third spout, can restrict the slide bar and can't continue to slide from top to bottom again, and the stopper cooperatees with the bullet piece.
Preferably, a fourth sliding groove is formed in the top of the sliding rod, an elastic rod is slidably mounted in the fourth sliding groove, one end of a third spring is fixedly mounted at the bottom of the elastic rod, the other end of the third spring is fixedly mounted at the bottom of the fourth sliding groove, and the two sliding plates are symmetrically arranged about the center of the elastic rod.
Preferably, equal slidable mounting has the sliding seat on the both sides inner wall of shell, fifth spout has all been seted up on two sliding seats, equal slidable mounting has the slider in two fifth spouts, two sliders respectively with two slide fixed connection, the equal fixed mounting in one end of being located the fifth spout of two sliders has the one end of fourth spring, the other end fixed mounting of fourth spring is on the inner wall of fifth spout, the equal fixed mounting in one end of being located the fifth spout of two sliders has the pull rod, first through-hole has all been seted up to the both sides of shell, two pull rod movable mounting are in two first through-holes, slider and sliding seat constitute the telescopic whole promptly.
Preferably, one end of the limiting block is fixedly provided with one end of a rotating rod, the other end of the rotating rod is positioned outside the shell, a sliding hole is formed in the side face of the shell, the rotating rod is rotatably arranged in the sliding hole, and the rotating rod is limited by the sliding hole and can only rotate in place.
Preferably, the rotating rod is provided with threads, one side of the limiting block is fixedly provided with a limiting seat, the limiting seat is provided with a screw hole, the screw hole is spirally connected with the threads, the limiting seat is fixedly connected with the limiting block, and the limiting block can only slide in the third sliding groove.
The utility model discloses in, a LED display screen anticollision protective structure, in order to make protective structure can play sufficient guard action to the LED display screen, set up the gasbag in the side of shell, be filled with the air in the gasbag, therefore possess elasticity, and the LED display screen can be held by the rubber pad, under the effect of first spring, the LED display screen also possesses the cushioning effect in vertical direction.
The utility model discloses in, it is as convenient as possible in order to make the process of LED display screen packing into protection architecture, set up bullet piece, bullet pole isotructure, when needs installation LED display screen advances protection architecture in, after direct with LED display screen push down can when pulling two pull rods and rotating bull stick to a locating position, then only need pull two pull rods during the dismantlement, therefore convenient operation, the dismouting is quick.
The utility model discloses in, carry out the buffering protection to the horizontal direction through the gasbag, make the structure possess the effect of vertical direction buffering through first spring isotructure afterwards, two slides and rubber pad are used for carrying out the centre gripping to the LED display screen, and whole in-process only needs to operate convenient and fast to two pull rods and bull stick.
Drawings
Fig. 1 is a schematic view of an internal structure of an anti-collision protection structure for an LED display screen according to the present invention;
fig. 2 is a schematic view of a connection relationship between structures such as a sliding rod in an anti-collision protection structure for an LED display screen according to the present invention;
fig. 3 is a schematic view of a connection relationship between structures such as a rotating rod in an anti-collision protection structure for an LED display screen according to the present invention;
fig. 4 is the utility model provides a three-dimensional structure schematic diagram of slide isotructure among LED display screen collision avoidance structure.
In the figure: the device comprises a shell 1, a top cover 2, a handle 3, an air bag 4, a fixed seat 5, a sliding rod 6, a first spring 7, a top plate 8, a sliding plate 9, a rubber pad 10, an elastic block 11, a second spring 12, an elastic rod 13, a third spring 14, a sliding seat 15, a sliding block 16, a fourth spring 17, a pull rod 18, a limiting block 19, a limiting seat 20, a rotating rod 21 and a thread 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, an anti-collision protection structure for an LED display screen comprises a housing 1, a top cover 2 is rotatably installed at the top of the housing 1, a handle 3 is fixedly installed at the top of the top cover 2, the top cover 2 is fixed through a zipper, air bags 4 are respectively arranged on the inner walls of two sides of the housing 1, a fixed seat 5 is fixedly installed on the inner wall of the bottom of the housing 1, a first chute is formed in the fixed seat 5, a slide bar 6 is slidably installed in the first chute, and one end of a first spring 7 is fixedly installed at the bottom of the slide bar 6, so that the slide bar 6 has elasticity under the action of the first spring 7 in the vertical direction to help buffering, the other end of the first spring 7 is fixedly installed at the bottom of the first chute, a top plate 8 is fixedly installed at the top of the slide bar 6, two sliding plates 9 are slidably installed at the top of the top plate 8, the rubber pad 10 is used for clamping the LED display screen from two sides, one side of the sliding rod 6 is provided with a second sliding groove, an elastic block 11 is arranged in the second sliding groove in a sliding manner, one end of the elastic block 11, which is positioned in the second sliding groove, is fixedly provided with one end of a second spring 12, the other end of the second spring 12 is fixedly arranged on the inner wall of the bottom of the second sliding groove, one side of the fixed seat 5 is provided with a third sliding groove, a limiting block 19 is arranged in the third sliding groove in a sliding manner, the third sliding groove is matched with the elastic block 11, the elastic block 11 can be just embedded into the third sliding groove, after the elastic block 11 is embedded into the third sliding groove, the sliding rod 6 can be limited from continuing to slide up and down, the limiting block 19 is matched with the elastic block 11, when the display screen needs to be installed in the protective structure, the display screen needs to be placed at the top of the top plate 8 and pressed down, so that the elastic, the slide bar 6 can be fixed to avoid the slide bar 6 from being pressed down excessively to crush the first spring 7 during the installation of the display screen.
The utility model discloses in, the fourth spout has been seted up at the top of slide bar 6, slidable mounting has bullet pole 13 in the fourth spout, the bottom fixed mounting of bullet pole 13 has the one end of third spring 14, the other end fixed mounting of third spring 14 is in the bottom of fourth spout, two slides 9 set up about bullet pole 13 central symmetry, during the installation display screen, display screen direct contact roof 8's top, move all structures and move down, move down to a certain position when slide bar 6, bullet piece 11 embedding third spout, continue to install the display screen this moment, then the display screen can't drive slide bar 6 gliding, and can oppress bullet pole 13 and move down, back in the fourth spout is moved down to bullet pole 13, two sliders 16 are close to each other under two fourth spring 17's elastic force, it is close to each other to drive two slides 9, two slides 9 are close to and then can utilize rubber pad 10 to clip the both sides of display screen.
The utility model discloses in, equal slidable mounting has sliding seat 15 on the both sides inner wall of shell 1, the fifth spout has all been seted up on two sliding seats 15, equal slidable mounting has slider 16 in two fifth spouts, two slider 16 respectively with two slide 9 fixed connection, the equal fixed mounting of one end that is located the fifth spout of two slider 16 has the one end of fourth spring 17, the other end fixed mounting of fourth spring 17 is on the inner wall of fifth spout, the equal fixed mounting of one end that is located the fifth spout of two slider 16 has pull rod 18, first through-hole has all been seted up to shell 1's both sides, 18 movable mounting of two pull rods are in two first through-holes, slider 16 and sliding seat 15 constitute the telescopic whole promptly, pull rod 18 can drive two sliders 16 and remove to both sides, thereby remove the centre gripping to the display screen, in order to conveniently dismantle the display screen.
The utility model discloses in, stopper 19's one end fixed mounting has the one end of bull stick 21, and outside the other end of bull stick 21 was located shell 1, the slide opening had been seted up to the side of shell 1, and bull stick 21 rotates and installs in the slide opening, and bull stick 21 is limited by the slide opening, only can rotate in the original place.
The utility model discloses in, be equipped with screw thread 22 on the bull stick 21, one side fixed mounting of stopper 19 has spacing seat 20, has seted up the screw on the spacing seat 20, screw and screw thread 22 screwed connection, spacing seat 20 and stopper 19 fixed connection, stopper 19 can only slide in the third spout, can only rotate in the original place when bull stick 21 rotates, and drives screw thread 22 and rotate when rotating, can drive spacing seat 20 and stopper 19 horizontal migration when screw thread 22 rotates.
Example two
Referring to fig. 1-4, an anti-collision protection structure for an LED display screen comprises a housing 1, a top cover 2 is rotatably installed at the top of the housing 1, a handle 3 is fixedly installed at the top of the top cover 2 through screws, the top cover 2 is fixed through a zipper, air bags 4 are respectively arranged on the inner walls of two sides of the housing 1, a fixing seat 5 is fixedly installed on the inner wall of the bottom of the housing 1 through screws, a first sliding groove is formed in the fixing seat 5, a sliding rod 6 is slidably installed in the first sliding groove, one end of a first spring 7 is welded at the bottom of the sliding rod 6, so that the sliding rod 6 has elasticity under the action of the first spring 7 in the vertical direction to help buffering, the other end of the first spring 7 is welded at the bottom of the first sliding groove, a top plate 8 is fixedly installed at the top of the sliding rod 6 through screws, two sliding, and the side of two slide plates 9 are pasted with rubber pads 10, the rubber pads 10 are used for clamping the LED display screen from two sides, one side of the slide bar 6 is provided with a second chute, an elastic block 11 is arranged in the second chute in a sliding way, one end of the elastic block 11 positioned in the second chute is welded with one end of a second spring 12, the other end of the second spring 12 is welded on the inner wall of the bottom of the second chute, one side of the fixed seat 5 is provided with a third chute, a limit block 19 is arranged in the third chute in a sliding way, the third chute is matched with the elastic block 11, the elastic block 11 can be just embedded into the third chute, after the elastic block 11 is embedded into the third chute, the slide bar 6 can be limited from continuing to slide up and down, the limit block 19 is matched with the elastic block 11, when the display screen needs to be installed in a protective structure, the display screen needs to be placed on the top of the top plate 8 and pressed down, so the elastic block 11 is arranged, and the elastic block 11 is, the slide bar 6 can be fixed to avoid the slide bar 6 from being pressed down excessively to crush the first spring 7 during the installation of the display screen.
The utility model discloses in, the fourth spout has been seted up at the top of slide bar 6, slidable mounting has bullet pole 13 in the fourth spout, the bottom welding of bullet pole 13 has the one end of third spring 14, the other end of third spring 14 welds in the bottom of fourth spout, two slides 9 set up about bullet pole 13 central symmetry, during the installation display screen, display screen direct contact roof 8's top, move all structures and move down, move down to a certain position when slide bar 6, bullet piece 11 embedding third spout, continue to install the display screen this moment, then the display screen can't drive slide bar 6 gliding, and can oppress bullet pole 13 and move down, back in the fourth spout is moved down to bullet pole 13, two sliders 16 are close to each other under two fourth spring 17's the spring action just, it is close to each other to drive two slides 9, two slides 9 are close to then can utilize rubber pad 10 to carry the both sides of display screen.
The utility model discloses in, equal slidable mounting has sliding seat 15 on the both sides inner wall of shell 1, the fifth spout has all been seted up on two sliding seats 15, equal slidable mounting has slider 16 in two fifth spouts, two slider 16 respectively with two slide 9 fixed connection, the one end of fourth spring 17 has all been welded to the one end that is located the fifth spout of two slider 16, the other end of fourth spring 17 welds on the inner wall of fifth spout, the one end that is located the fifth spout of two slider 16 has all welded pull rod 18, first through-hole has all been seted up to the both sides of shell 1, 18 movable mounting of two pull rods is in two first through-holes, slider 16 and sliding seat 15 constitute the telescopic whole promptly, pull rod 18 can drive two sliders 16 and remove to both sides, thereby remove the centre gripping to the display screen, in order to conveniently dismantle the display screen.
The utility model discloses in, the one end of stopper 19 is passed through screw fixed mounting and is had the one end of bull stick 21, and outside the other end of bull stick 21 was located shell 1, the slide opening had been seted up to the side of shell 1, and bull stick 21 rotates and installs in the slide opening, and bull stick 21 receives the slide opening to limit, only can rotate in the original place.
The utility model discloses in, be equipped with screw thread 22 on the bull stick 21, there is spacing seat 20 one side of stopper 19 through screw fixed mounting, has seted up the screw on the spacing seat 20, screw and screw thread 22 screwed connection, spacing seat 20 and stopper 19 fixed connection, stopper 19 can only slide in the third spout, can only rotate in the original place when bull stick 21 rotates, and drives screw thread 22 and rotate when rotating, can drive spacing seat 20 and stopper 19 horizontal migration when screw thread 22 rotates, the utility model discloses in, the material of each structure, size, relative position all should be according to actual conditions to corresponding adjustment, with maximize result of use, the relation of connection on the functionality of each structure that embodies on the picture only.
In the utility model, the default stopper 19 is located at a deeper position inside the third sliding groove, when the LED display screen needs to be installed, the top cover 2 is opened, the display screen is directly put into the shell 1, the display screen is put on the top plate 8 to press the top plate 8, the top plate 8 is driven, the sliding rod 6 and other structures move downwards, in the process of moving the sliding rod 6 downwards, the elastic block 11 is embedded into the third sliding groove, at the moment, the sliding rod 6 is limited by the elastic block 11 and is fixed, at the moment, the display screen is continuously pressed downwards, the sliding rod 6 is not driven to move downwards, but the elastic rod 13 is pressed, when the elastic rod 13 moves to a lower position, two sliding plates 9 are not limited any more, the elastic force of two fourth springs 17 is applied to the sliding block 16, the sliding block 16 applies force to the sliding plate 9, and then the two sliding plates 9 slide towards each other, in the process, the two rubber pads 10 clamp the two sides of the display screen, at the moment, the, screw 22 rotates and drives spacing seat 20 and removes, spacing seat 20 drives stopper 19 and removes, stopper 19 releases the third spout with ejector pad 11, ejector pad 11 is pushed back the second spout this moment, and slide bar 6 can slide from top to bottom in first spout again, display screen this moment has gasbag 4 protection all around, there is first spring 7 to provide the buffering bottom again, make protective structure have better crashproof protection effect to the display screen, when the display screen is dismantled to needs, stimulate two pull rods 18, make two rubber pads 10 centre gripping display screen no longer, the display screen does not receive the centre gripping afterwards, directly take out the display screen can.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a LED display screen anticollision protection structure, includes shell (1), the top of shell (1) is rotated and is installed top cap (2), and the top fixed mounting of top cap (2) has handle (3), its characterized in that, all be equipped with gasbag (4) on the both sides inner wall of shell (1), fixed mounting has fixing base (5) on the bottom inner wall of shell (1), has seted up first spout on fixing base (5), and slidable mounting has slide bar (6) in the first spout, and the bottom fixed mounting of slide bar (6) has the one end of first spring (7), and the other end fixed mounting of first spring (7) is in the bottom of first spout, the top fixed mounting of slide bar (6) has roof (8), and the top slidable mounting of roof (8) has two slides (9), and two slides (9) cooperate, and the equal fixed mounting in the side of two slides (9) has rubber pad (10), the second spout has been seted up to one side of slide bar (6), slidable mounting has bullet piece (11) in the second spout, the one end fixed mounting that is located the second spout of bullet piece (11) has the one end of second spring (12), the other end fixed mounting of second spring (12) is on the bottom inner wall of second spout, the third spout has been seted up to one side of fixing base (5), slidable mounting has stopper (19) in the third spout, third spout and bullet piece (11) looks adaptation, stopper (19) cooperate with bullet piece (11).
2. The LED display screen anti-collision protection structure according to claim 1, wherein a fourth sliding groove is formed in the top of the sliding rod (6), an elastic rod (13) is slidably mounted in the fourth sliding groove, one end of a third spring (14) is fixedly mounted at the bottom of the elastic rod (13), and the other end of the third spring (14) is fixedly mounted at the bottom of the fourth sliding groove.
3. The anti-collision protection structure for the LED display screen according to claim 1, wherein sliding seats (15) are slidably mounted on inner walls of two sides of the housing (1), fifth sliding grooves are formed in the two sliding seats (15), sliding blocks (16) are slidably mounted in the two fifth sliding grooves, the two sliding blocks (16) are respectively and fixedly connected with the two sliding plates (9), one ends of the two sliding blocks (16) located in the fifth sliding grooves are fixedly mounted with one end of a fourth spring (17), the other end of the fourth spring (17) is fixedly mounted on the inner wall of the fifth sliding groove, one ends of the two sliding blocks (16) located in the fifth sliding grooves are fixedly mounted with pull rods (18), first through holes are formed in two sides of the housing (1), and the two pull rods (18) are movably mounted in the two first through holes.
4. The LED display screen anti-collision protection structure according to claim 1, wherein one end of the limiting block (19) is fixedly provided with one end of a rotating rod (21), and the other end of the rotating rod (21) is positioned outside the shell (1).
5. The LED display screen anti-collision protection structure according to claim 4, wherein a thread (22) is arranged on the rotating rod (21), a limiting seat (20) is fixedly arranged on one side of the limiting block (19), a screw hole is formed in the limiting seat (20), and the screw hole is in threaded connection with the thread (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020623488.4U CN211654189U (en) | 2020-04-23 | 2020-04-23 | Anti-collision protection structure for LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020623488.4U CN211654189U (en) | 2020-04-23 | 2020-04-23 | Anti-collision protection structure for LED display screen |
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| Publication Number | Publication Date |
|---|---|
| CN211654189U true CN211654189U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020623488.4U Expired - Fee Related CN211654189U (en) | 2020-04-23 | 2020-04-23 | Anti-collision protection structure for LED display screen |
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| CN (1) | CN211654189U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863382A (en) * | 2021-01-18 | 2021-05-28 | 深圳市锐捷智汇科技有限公司 | LED display screen anti-collision protection structure and LED display screen |
| CN112991980A (en) * | 2021-04-02 | 2021-06-18 | 江苏新视界显示技术有限公司 | Novel LED screen with anti-collision protection structure and manufacturing process |
| CN113380154A (en) * | 2021-06-29 | 2021-09-10 | 深圳市元恒智联科技有限公司 | Combined LED display screen with automatic protection function |
| CN113744660A (en) * | 2021-09-24 | 2021-12-03 | 卓华光电科技集团有限公司 | COB encapsulation LED anticollision protection structure for display screen |
| CN115111503A (en) * | 2022-08-02 | 2022-09-27 | 湛江市宝科电子科技有限公司 | Computer display with protection function |
| CN117524004A (en) * | 2024-01-05 | 2024-02-06 | 赣州市星河通信设备有限公司 | LED display screen with anti-seismic structure and use method |
-
2020
- 2020-04-23 CN CN202020623488.4U patent/CN211654189U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112863382A (en) * | 2021-01-18 | 2021-05-28 | 深圳市锐捷智汇科技有限公司 | LED display screen anti-collision protection structure and LED display screen |
| CN112863382B (en) * | 2021-01-18 | 2023-06-23 | 深圳市锐捷智汇科技有限公司 | LED display screen anticollision protection architecture and LED display screen |
| CN112991980A (en) * | 2021-04-02 | 2021-06-18 | 江苏新视界显示技术有限公司 | Novel LED screen with anti-collision protection structure and manufacturing process |
| CN112991980B (en) * | 2021-04-02 | 2022-08-05 | 江苏新视界显示技术有限公司 | Novel LED screen with anti-collision protection structure and manufacturing process |
| CN113380154A (en) * | 2021-06-29 | 2021-09-10 | 深圳市元恒智联科技有限公司 | Combined LED display screen with automatic protection function |
| CN113380154B (en) * | 2021-06-29 | 2023-02-17 | 深圳市元恒智联科技有限公司 | Combined LED display screen with automatic protection function |
| CN113744660A (en) * | 2021-09-24 | 2021-12-03 | 卓华光电科技集团有限公司 | COB encapsulation LED anticollision protection structure for display screen |
| CN113744660B (en) * | 2021-09-24 | 2023-05-30 | 卓华光电科技集团有限公司 | Anti-collision protection structure for COB packaging LED display screen |
| CN115111503A (en) * | 2022-08-02 | 2022-09-27 | 湛江市宝科电子科技有限公司 | Computer display with protection function |
| CN115111503B (en) * | 2022-08-02 | 2024-01-30 | 湛江市宝科电子科技有限公司 | Computer display with protection function |
| CN117524004A (en) * | 2024-01-05 | 2024-02-06 | 赣州市星河通信设备有限公司 | LED display screen with anti-seismic structure and use method |
| CN117524004B (en) * | 2024-01-05 | 2024-04-02 | 赣州市星河通信设备有限公司 | LED display screen with anti-seismic structure and use method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20210423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |