CN213303519U - Intelligent LED display screen - Google Patents

Intelligent LED display screen Download PDF

Info

Publication number
CN213303519U
CN213303519U CN202022174369.8U CN202022174369U CN213303519U CN 213303519 U CN213303519 U CN 213303519U CN 202022174369 U CN202022174369 U CN 202022174369U CN 213303519 U CN213303519 U CN 213303519U
Authority
CN
China
Prior art keywords
display screen
led display
intelligent led
installation
groups
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202022174369.8U
Other languages
Chinese (zh)
Inventor
陈泽龙
胡继超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Three Li Heng Ying Technology Co ltd
Original Assignee
Shenzhen Three Li Heng Ying Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Three Li Heng Ying Technology Co ltd filed Critical Shenzhen Three Li Heng Ying Technology Co ltd
Priority to CN202022174369.8U priority Critical patent/CN213303519U/en
Application granted granted Critical
Publication of CN213303519U publication Critical patent/CN213303519U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model discloses an intelligent LED display screen, including the screen frame, LED screen, power signal pilot lamp, camera and charge signal pilot lamp are installed to the tip of screen frame. Has the advantages that: the utility model discloses an installation cardboard, when needs are installed intelligent LED display screen, pass through four group's installation screws with the mounting panel earlier, install at the anticipated terminal surface of wall body, in the same direction as, counter-clockwise turning adjusting screw, reach anticipated position, counter-clockwise turning limiting thread pipe this moment, when the one end of limiting thread pipe and the lower part in close contact with of fixed plate, the stop motion, move down the installation cardboard this moment, insert the inside of installation side pipe with its one end, intelligent LED display screen receives the action of gravity to move down, two sets of slides slide, when the upper portion of installation cardboard contacts with adjusting screw's one end, the installation cardboard is stably fixed, the installation finishes, installation cardboard through setting up, be convenient for counterpoint installation intelligent LED display screen, use the installation of intelligent LED display screen and bring the facility.

Description

Intelligent LED display screen
Technical Field
The utility model relates to an intelligence LED screen technical field particularly, relates to intelligent LED display screen.
Background
The intelligent LED display screen is a display mode by controlling semiconductor light-emitting diodes, and is formed from several light-emitting diodes which are usually red, and can display characters by means of turning on and off of lamp, and can be used as display screen for displaying various information of characters, figures, images, animation, quotation, video and video signals, etc.
Current intelligent LED display screen, adopt hanging the installation of back of the body at the wall body terminal surface mostly, but because intelligent LED display screen is opaque structure, when the cardboard counterpoints, once accurate counterpoint it successfully, the operation workman need move intelligent LED display screen for a long time this moment, extravagant operation workman's physical power, bring inconvenience for the installation of intelligent LED display screen is used, secondly, the operating key group of intelligent LED display screen lower part is external, during the in-service use, easy emergence accident touches, lead to setting up of intelligent LED display screen to change, bring inconvenience for the protection of intelligent LED display screen is used.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an intelligent LED display screen possesses the intelligent LED display screen of the counterpoint installation of being convenient for, prevents unexpected advantage of touching the operating key group, and then solves the problem among the above-mentioned background art.
(II) technical scheme
For realizing above-mentioned be convenient for to counterpoint installation intelligent LED display screen, prevent unexpected advantage of touching the operating key group, the utility model discloses a concrete technical scheme as follows:
intelligent LED display screen, including the screen frame, LED screen, power signal pilot lamp, camera and the signal indicator that charges are installed to the tip of screen frame, the dorsal scale is installed to the rear end of screen frame, and the rear end of dorsal scale installs two sets of heat dissipation fans and recess, the inside slidable mounting of recess has the installation cardboard, one side of screen frame is provided with net twine interface, AV interface, USB interface and HDIM interface, solar panel is installed on the upper portion of dorsal scale, the operating key group is installed to the lower part of screen frame and the flexible pipe of protection against touch, the flexible pipe of protection against touch covers the operating key group.
Further, the inside lateral wall of recess all is provided with the spout, the one end lateral wall fixed mounting of installation cardboard has two sets of slides, and is two sets of the slide is located the inside of two sets of spouts respectively, the other end activity of installation cardboard is cup jointed and is installed installation side pipe, and one side fixed mounting of installation side pipe has the mounting panel, the inside fixed mounting of recess has the fixed plate, and the upper portion of fixed plate is provided with the screw thread through-hole to the inside of screw thread through-hole is run through and is installed adjusting screw, adjusting screw's lateral wall is cup jointed and is installed spacing screwed pipe.
Furthermore, the threaded through hole and the limiting threaded pipe are meshed with the adjusting screw rod.
Furthermore, four groups of mounting screws are mounted on one side of the mounting plate.
Further, the one end fixed mounting that prevents touching flexible pipe has the apron, and the upper portion of apron is provided with fixing hole to fixing hole's lateral wall is provided with the built-in T type groove of annular, the internally mounted of the built-in T type groove of annular has six sets of limiting plate, and six sets the equal fixed mounting of telecentric end of limiting plate has first expanding spring, and six sets the one end of first expanding spring and the inside lateral wall fixed connection in the built-in T type groove of annular, six sets the nearly heart end fixed mounting of limiting plate has transparent dustproof cloth, the lower part of screen frame is provided with two sets of built-in convex grooves, and is two sets the equal fixed mounting of inside top surface in built-in convex grooves has the second expanding spring, and is two sets of the equal fixed mounting of one end of second expanding spring has the extension rod, and is two sets of the one end of extension rod all with.
Furthermore, the vertical section lengths of the six groups of limiting plates are all larger than the vertical section length of the opening of the annular built-in T-shaped groove.
Furthermore, the number of the fixing through holes corresponds to the number of the operation key groups, and the fixing through holes are uniformly distributed and correspondingly located on the same vertical line.
Furthermore, the upper part of the solar panel is an inclined plane.
(III) advantageous effects
Compared with the prior art, the utility model provides an intelligent LED display screen possesses following beneficial effect:
(1) the utility model adopts the installation clamping plate, when the intelligent LED display screen needs to be installed, firstly, mounting the mounting plate on the expected end face of the wall body by four groups of mounting screws, utilizing the mutual engagement of the threaded through holes and the limit threaded pipes and the adjusting screw rods, rotating the adjusting screw rods clockwise and counterclockwise to reach the expected positions, then rotating the limit threaded pipes counterclockwise, when one end of the limiting threaded pipe is tightly contacted with the lower part of the fixed plate, the movement is stopped, the mounting clamping plate is moved downwards at the moment, one end of the mounting clamping plate is inserted into the mounting square pipe, the intelligent LED display screen moves downwards under the action of gravity, the two groups of sliding plates slide, when the upper part of the mounting clamping plate is contacted with one end of the adjusting screw rod, the mounting clamping plate is stably fixed and the mounting is finished, through the installation cardboard that sets up, be convenient for counterpoint installation intelligent LED display screen, for the installation of intelligent LED display screen uses and brings the facility.
(2) The utility model adopts the anti-touch telescopic tube, when the operation key set is needed, the cover plate is moved upwards to drive the two groups of extension rods to do synchronous motion, at the moment, the anti-touch telescopic tube and the two groups of second telescopic springs are in a compressed state, when the end part of the operation key set penetrates through the fixed through hole, the transparent dustproof cloth can be jacked up, at the moment, the six groups of limiting plates move, the six groups of first telescopic springs are in a stretched state, the operation key set can be operated through the raised transparent dustproof cloth, when the operation is finished, the cover plate is loosened, at the moment, the six groups of first telescopic springs drive the six groups of limiting plates to recover the original position, the transparent dustproof cloth is tensioned, the two groups of second telescopic springs are under the action of self elasticity to support against the two groups of extension rods to do reset motion, the two groups of extension rods drive the anti-touch telescopic tube and the cover plate to recover the original position, the operation, the intelligent LED display screen is convenient to protect and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent LED display screen provided by the present invention;
fig. 2 is a rear view of the intelligent LED display screen proposed by the present invention;
fig. 3 is a side view of the intelligent LED display screen proposed by the present invention;
FIG. 4 is a schematic structural view of the mounting clip of the present invention;
fig. 5 is a partial cross-sectional view of the back shell of the present invention;
fig. 6 is an enlarged view of a in fig. 1 according to the present invention.
In the figure:
1. a screen frame; 2. an LED screen; 3. a power signal indicator light; 4. a camera; 5. a charging signal indicator light; 6. a back shell; 7. a heat dissipation fan; 8. a groove; 9. mounting a clamping plate; 10. a network cable interface; 11. an AV interface; 12. a USB interface; 13. an HDIM interface; 14. a solar panel; 15. an operation key group; 16. the anti-touch extension tube; 17. a chute; 18. a slide plate; 19. mounting a square tube; 20. mounting a plate; 21. a fixing plate; 22. a threaded through hole; 23. adjusting the screw rod; 24. limiting a threaded pipe; 25. a fixing through hole; 26. an annular built-in T-shaped groove; 27. a limiting plate; 28. a first extension spring; 29. transparent dustproof cloth; 30. a cover plate; 31. a convex groove is arranged inside; 32. an extension rod; 33. a second extension spring.
Detailed Description
For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.
According to the utility model discloses an embodiment provides intelligent LED display screen.
Referring now to the drawings and the detailed description of the present invention, as shown in fig. 1-6, according to the present invention, an intelligent LED display screen includes a bezel 1, a LED screen 2, a power signal indicator lamp 3, a camera 4 and a charging signal indicator lamp 5 are installed at the end of the bezel 1, a back shell 6 is installed at the rear end of the bezel 1, two sets of heat dissipation fans 7 and a groove 8 are installed at the rear end of the back shell 6, a mounting clip board 9 is slidably installed inside the groove 8, a network cable interface 10, an AV interface 11, a USB interface 12 and a HDIM interface 13 are installed at one side of the bezel 1, a solar panel 14 is installed at the upper portion of the back shell 6, an operation key set 15 and a flexible touch prevention tube 16 are installed at the lower portion of the bezel 1, the flexible touch prevention tube 16 covers the operation key set 15, the LED screen 2, the power signal indicator lamp 3, the camera 4, the charging signal indicator lamp 5, two sets of heat dissipation fans 7, the, The network cable interface 10, the AV interface 11, the USB interface 12, the HDIM interface 13, the solar panel 14, and the operation key group 15 are all conventional structures, and are not described herein in detail.
In one embodiment, the inner side walls of the groove 8 are all provided with sliding grooves 17, one end side wall of the mounting clamping plate 9 is fixedly provided with two sets of sliding plates 18, the two sets of sliding plates 18 are respectively positioned inside the two sets of sliding grooves 17, the other end of the mounting clamping plate 9 is movably sleeved with a mounting square pipe 19, one side of the mounting square pipe 19 is fixedly provided with a mounting plate 20, the inner part of the groove 8 is fixedly provided with a fixing plate 21, the upper part of the fixing plate 21 is provided with a threaded through hole 22, an adjusting screw 23 is penetratingly arranged inside the threaded through hole 22, the side wall of the adjusting screw 23 is sleeved with a limit threaded pipe 24, when the intelligent LED display screen needs to be mounted, the mounting plate 20 is firstly mounted on the expected end surface of the wall body through four sets of mounting screws, the threaded through hole 22 and the limit threaded pipe, arrive the anticipated position, anticlockwise rotation limit screw pipe 24 this moment, when the one end of limit screw pipe 24 and the lower part in close contact with of fixed plate 21, stop motion, move down installation cardboard 9 this moment, insert its one end in the inside of installation side pipe 19, intelligent LED display screen moves down by the action of gravity, two sets of slides 18 slide, when the upper portion of installation cardboard 9 and the one end contact of adjusting screw 23, installation cardboard 9 is stably fixed, the installation finishes, through the installation cardboard 9 that sets up, be convenient for counterpoint installation intelligent LED display screen, bring the facility for the installation of intelligent LED display screen uses.
In one embodiment, the threaded through hole 22 and the limiting threaded pipe 24 are mutually meshed with the adjusting screw 23, so that the using positions of the limiting threaded pipe 24 and the adjusting screw 23 are convenient to adjust.
In one embodiment, four sets of mounting screws are mounted on one side of the mounting board 20, and the four sets of mounting screws serve to mount and fix the smart LED display screen.
In one embodiment, a cover plate 30 is fixedly installed at one end of the anti-touch telescopic tube 16, a fixing through hole 25 is arranged at the upper part of the cover plate 30, a ring-shaped built-in T-shaped groove 26 is arranged on the side wall of the fixing through hole 25, six groups of limiting plates 27 are installed inside the ring-shaped built-in T-shaped groove 26, first telescopic springs 28 are fixedly installed at the far ends of the six groups of limiting plates 27, one end of each of the six groups of first telescopic springs 28 is fixedly connected with the inner side wall of the ring-shaped built-in T-shaped groove 26, a transparent dustproof cloth 29 is fixedly installed at the near center of each of the six groups of limiting plates 27, two groups of built-in convex grooves 31 are arranged at the lower part of the screen frame 1, second telescopic springs 33 are fixedly installed at the inner top surfaces of the two groups of built-in convex grooves 31, an extension rod 32 is fixedly installed at one end of each of the, when the operation key set 15 needs to be used, the cover plate 30 is moved upwards to drive the two groups of extension rods 32 to do synchronous motion, at this time, the anti-touch extension tube 16 and the two groups of second extension springs 33 are in a compressed state, when the end part of the operation key set 15 penetrates through the fixing through hole 25, the transparent dustproof cloth 29 is jacked up, at this time, the six groups of limiting plates 27 move, the six groups of first extension springs 28 are in a stretched state, the operation key set 15 can be operated through the raised transparent dustproof cloth 29, when the operation is finished, the cover plate 30 is loosened, at this time, the six groups of first extension springs 28 drive the six groups of limiting plates 27 to return to the original position, the transparent dustproof cloth 29 is tensioned, the two groups of second extension springs 33 can support against the two groups of extension rods 32 to do return motion, the two groups of extension rods 32 drive the anti-touch extension tubes 16 and the cover plate 30 to return to the original position, and the operation key set of the anti-, the intelligent LED display screen is convenient to protect and use.
In one embodiment, the vertical section lengths of the six groups of limiting plates 27 are all larger than the vertical section length of the opening of the annular built-in T-shaped groove 26, so that the six groups of limiting plates 27 are prevented from being separated from the inside of the annular built-in T-shaped groove 26 due to the fact that the vertical section lengths of the six groups of limiting plates 27 are too small.
In one embodiment, the number of the fixing through holes 25 corresponds to the number of the operation key sets 15, and the fixing through holes are uniformly distributed and correspondingly located on the same vertical line, so that the operation of the whole operation key set 15 can be guaranteed.
In one embodiment, the upper portion of the solar panels 14 are sloped to prevent foreign objects from collecting on the upper portion of the solar panels 14.
The working principle is as follows:
when the intelligent LED display screen is actually used, firstly, the intelligent LED display screen is installed and used, the installation plate 20 is installed on the expected end face of the wall body through four groups of installation screws, the threaded through hole 22 and the limit threaded pipe 24 are meshed with the adjusting screw 23, the adjusting screw 23 is rotated clockwise and counterclockwise to reach the expected position, the limit threaded pipe 24 is rotated counterclockwise at the moment, when one end of the limit threaded pipe 24 is tightly contacted with the lower part of the fixed plate 21, the movement is stopped, the installation clamping plate 9 is moved downwards at the moment, one end of the installation clamping plate is inserted into the installation square pipe 19, the intelligent LED display screen is moved downwards under the action of gravity, the two groups of sliding plates 18 slide, when the upper part of the installation clamping plate 9 is contacted with one end of the adjusting screw 23, the installation clamping plate 9 is stably fixed, the installation is finished, the intelligent LED display screen is conveniently installed in an aligned mode, the installation and use of the intelligent LED display screen are facilitated, meanwhile, when the operation key set 15 needs to be used, the cover plate 30 is moved upwards to drive the two groups of extension rods 32 to do synchronous motion, at the moment, the anti-touch extension tubes 16 and the two groups of second extension springs 33 are in a compressed state, when the end part of the operation key set 15 penetrates through the fixing through hole 25, the transparent dustproof cloth 29 is jacked up, at the moment, the six groups of limiting plates 27 move, the six groups of first extension springs 28 are in a stretched state, the operation key set 15 can be operated through the raised transparent dustproof cloth 29, when the operation is finished, the cover plate 30 is loosened, at the moment, the six groups of first extension springs 28 drive the six groups of limiting plates 27 to return to the original position, the transparent dustproof cloth 29 is tensioned, the two groups of second extension springs 33 bear the self elastic force to do return motion by abutting against the two groups of extension rods 32, the two groups of extension rods 32 drive the anti-touch extension, through the telescopic pipe 16 of preventing touching that sets up, can prevent unexpected touching operation key group 15, facilitate for the protection of intelligent LED display screen is used.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. Intelligent LED display screen, its characterized in that, including screen frame (1), LED screen (2), power signal pilot lamp (3), camera (4) and charge signal pilot lamp (5) are installed to the tip of screen frame (1), dorsal scale (6) are installed to the rear end of screen frame (1), and the rear end of dorsal scale (6) installs two sets of heat dissipation fan (7) and recess (8), the inside slidable mounting of recess (8) has installation cardboard (9), one side of screen frame (1) is provided with net twine interface (10), AV interface (11), USB interface (12) and HDIM interface (13), solar panel (14) are installed on the upper portion of dorsal scale (6), operation key group (15) and flexible pipe (16) of preventing touching are installed to the lower part of screen frame (1), flexible pipe (16) of preventing touching cover operation key group (15).
2. The intelligent LED display screen according to claim 1, wherein the inner side walls of the grooves (8) are provided with sliding grooves (17), two sets of sliding plates (18) are fixedly mounted on one side wall of one end of the mounting clamping plate (9), the two sets of sliding plates (18) are respectively located inside the two sets of sliding grooves (17), the other end of the mounting clamping plate (9) is movably sleeved with a mounting square pipe (19), a mounting plate (20) is fixedly mounted on one side of the mounting square pipe (19), a fixing plate (21) is fixedly mounted inside the grooves (8), a threaded through hole (22) is formed in the upper portion of the fixing plate (21), an adjusting screw (23) is installed inside the threaded through hole (22), and a limiting threaded pipe (24) is sleeved on the side wall of the adjusting screw (23).
3. The intelligent LED display screen according to claim 2, wherein the threaded through hole (22) and the limiting threaded pipe (24) are meshed with an adjusting screw (23).
4. The intelligent LED display screen of claim 2, wherein four sets of mounting screws are mounted on one side of the mounting board (20).
5. The intelligent LED display screen according to claim 1, wherein a cover plate (30) is fixedly installed at one end of the anti-touch telescopic tube (16), a fixing through hole (25) is arranged at the upper part of the cover plate (30), an annular built-in T-shaped groove (26) is arranged on the side wall of the fixing through hole (25), six groups of limiting plates (27) are installed inside the annular built-in T-shaped groove (26), a first telescopic spring (28) is fixedly installed at the far center end of each of the six groups of limiting plates (27), one end of each of the six groups of first telescopic springs (28) is fixedly connected with the inner side wall of the annular built-in T-shaped groove (26), a transparent dustproof cloth (29) is fixedly installed at the near center end of each of the six groups of limiting plates (27), two groups of built-in convex grooves (31) are arranged at the lower part of the screen frame (1), and a second telescopic spring (33) is fixedly installed at the inner top surface of each, and two sets of the equal fixed mounting of one end of second expanding spring (33) has extension rod (32), two sets of the one end of extension rod (32) all with the upper portion fixed connection of apron (30).
6. The intelligent LED display screen according to claim 5, wherein the vertical section lengths of the six groups of the limiting plates (27) are all larger than the vertical section length of the opening of the annular built-in T-shaped groove (26).
7. The intelligent LED display screen according to claim 5, wherein the number of the fixing through holes (25) corresponds to the number of the operation key groups (15), and the fixing through holes are all separated and located on the same vertical line.
8. The intelligent LED display screen according to claim 1, wherein the upper portion of the solar panel (14) is an inclined slope.
CN202022174369.8U 2020-09-29 2020-09-29 Intelligent LED display screen Expired - Fee Related CN213303519U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022174369.8U CN213303519U (en) 2020-09-29 2020-09-29 Intelligent LED display screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022174369.8U CN213303519U (en) 2020-09-29 2020-09-29 Intelligent LED display screen

Publications (1)

Publication Number Publication Date
CN213303519U true CN213303519U (en) 2021-05-28

Family

ID=76010546

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022174369.8U Expired - Fee Related CN213303519U (en) 2020-09-29 2020-09-29 Intelligent LED display screen

Country Status (1)

Country Link
CN (1) CN213303519U (en)

Similar Documents

Publication Publication Date Title
CN109027768A (en) A kind of LED light with fixed function
CN213303519U (en) Intelligent LED display screen
CN212695365U (en) USB docking station
CN104579145B (en) A kind of easily removable and washable solar collecting device
CN108534067A (en) A kind of LED environment-friendlylamp lamps
CN212649618U (en) Wall-mounted set top box
CN210578410U (en) Photovoltaic power generation control device of back-to-back converter
CN105744020B (en) Mobile terminal device with proximity sensor
CN216139751U (en) Lamp painting with touch function
CN212344265U (en) Intelligent photovoltaic microgrid energy monitoring and management device
CN218215138U (en) Temperature controller with fixing function
CN218162202U (en) LED switching power supply convenient to overhaul for transformer rectifier
CN215154406U (en) Vehicle bottom layer control system device convenient to maintain
CN221151729U (en) Lighting control equipment
CN215892286U (en) High-efficiency power supply integrated intelligent lamp power supply
CN213513821U (en) Electrodeless bright-adjusting switch for Christmas tree LED optical fiber lamp
CN216215313U (en) Underground power distribution station
CN217721777U (en) Electric power energy information management device
CN204334772U (en) A kind of new type auto photosensitive solar energy camera head with focusing
CN218920714U (en) Protective plastic shell for electronic components
CN204334751U (en) A kind of new type auto photosensitive solar energy camera head with focusing
CN214222587U (en) Intelligent teaching device
CN221150400U (en) Waterproof charging wire assembly structure of camera
CN220456014U (en) Wireless display
CN210983368U (en) Voice display control panel with universal voice output

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210528

CF01 Termination of patent right due to non-payment of annual fee