CN209895703U - Spliced display screen - Google Patents
Spliced display screen Download PDFInfo
- Publication number
- CN209895703U CN209895703U CN201920907703.0U CN201920907703U CN209895703U CN 209895703 U CN209895703 U CN 209895703U CN 201920907703 U CN201920907703 U CN 201920907703U CN 209895703 U CN209895703 U CN 209895703U
- Authority
- CN
- China
- Prior art keywords
- screen
- display screen
- shaft sleeve
- liquid crystal
- crystal display
- 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.)
- Active
Links
Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model discloses a concatenation formula display screen, including spacing fixed plate, stop screw is installed to the upper end of spacing fixed plate, stop screw's surface mounting has spacing connecting block, the installation fixed plate is installed to the one end of spacing connecting block, the universal wheel is installed to the lower extreme of installation fixed plate, screen installation pole is installed to the upper end of installation fixed plate, the surface mounting of screen installation pole has the screen rotation module, the screen rotation module includes lower rotation shaft cover, axle sleeve connecting rod, last rotation shaft cover, the axle sleeve connecting rod is installed to the upper end of lower rotation shaft cover, last rotation shaft cover is installed to the upper end of axle sleeve connecting rod. The utility model discloses a series of structural design make the device can splice to a large screen use, and the rotation display screen that again can the multi-angle becomes independent little screen, demonstrates screen content when to the multi-angle, facilitates the use, and the removal after the convenient concatenation.
Description
Technical Field
The utility model relates to a display screen application technique field specifically is a concatenation formula display screen.
Background
Along with the rapid development of social economy, the spliced display screen is more and more paid attention to by society, and the liquid crystal spliced screen can be used as the display alone, can splice into super large screen again and use, according to different user demands, realizes changeable big screen function that also can become littleer: the single-screen split display, the single-screen individual display, the arbitrary combination display, full-screen liquid crystal concatenation, dual concatenation LCD screen concatenation, erect the screen display, the optional compensation of image frame or cover, support digital signal's roaming, zoom and draw, cross the screen display, the setting and the operation of various demonstration plans, full high definition signal real-time processing, the LCD concatenation screen is single independent complete display element, hang promptly, the installation is just as simple as taking building blocks, single or a plurality of LCD concatenation screen's use and installation are all very simple, the liquid crystal concatenation all has the width of 6.7mm all around the edge, the surface still takes the toughened glass protective layer, built-in intelligent control by temperature change warning circuit and peculiar "fast scattered" cooling system.
However, the existing spliced display screen can only be displayed on one plane, the use angle is limited, the use is inconvenient, and the spliced display screen is inconvenient to move; therefore, the existing requirements are not met, and a spliced display screen is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concatenation formula display screen to current concatenation formula display screen that proposes in solving above-mentioned background can only show to a plane, and use angle is limited, inconvenient use, and the inconvenient scheduling problem that removes after the concatenation.
In order to achieve the above object, the utility model provides a following technical scheme: a spliced display screen comprises a limiting fixed plate, a limiting screw is installed at the upper end of the limiting fixed plate, a limiting connecting block is installed on the outer surface of the limiting screw, an installation fixed plate is installed at one end of the limiting connecting block, universal wheels are installed at the lower end of the installation fixed plate, a screen installation rod is installed at the upper end of the installation fixed plate, a screen rotating module is installed on the outer surface of the screen installation rod and comprises a lower rotating shaft sleeve, a shaft sleeve connecting rod and an upper rotating shaft sleeve, the shaft sleeve connecting rod is installed at the upper end of the lower rotating shaft sleeve, the upper rotating shaft sleeve is installed at the upper end of the shaft sleeve connecting rod, a module connecting rod is installed at one side of the lower rotating shaft sleeve, a displacement connecting arm is installed at one side of the module connecting rod, a connection rotating arm is installed at one side of, liquid crystal display is installed to the one end of screen connecting plate, liquid crystal display's surface is equipped with the display screen connecting block.
Preferably, the one end of screen connecting plate and liquid crystal display's one end laminating completely, the screen connecting plate passes through the screw connection with liquid crystal display.
Preferably, one end of the connecting rotating arm is completely attached to one end of the screen connecting plate, and the connecting rotating arm is connected with the screen connecting plate through a pin.
Preferably, one end of the connecting rotating arm is completely attached to one end of the displacement connecting arm, and the connecting rotating arm is connected with the displacement connecting arm through a bearing.
Preferably, one of the liquid crystal display screens is completely attached to the other liquid crystal display screen, and the one of the liquid crystal display screens is connected with the other liquid crystal display screen through a display screen connecting block.
Preferably, the outer surface of the screen mounting rod is completely attached to the inner surface of the roller bearing, and the screen mounting rod is connected with the upper rotating shaft sleeve through the roller bearing.
Preferably, the inner surface of the limit connecting block is completely attached to the outer surface of the limit screw, and the limit connecting block is connected with the limit fixing plate through the limit screw.
Preferably, the upper end of the universal wheel is completely attached to the lower end of the mounting fixing plate, and the universal wheel is in threaded connection with the mounting fixing plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model installs the screen rotation module on the outer side of the screen installation rod, the screen rotation module can be increased up and down according to the height of the screen installation rod, the screen rotation module is composed of a lower rotation shaft sleeve, a shaft sleeve connecting rod and an upper rotation shaft sleeve, the lower rotation shaft sleeve and the upper rotation shaft sleeve can respectively drive a module connecting rod to move, the shaft sleeve connecting rod is connected with an upper rotation shaft sleeve and a stroke module, the two ends of the shaft sleeve connecting rod are circular sheets, the inner parts of the upper rotation shaft sleeve and the lower rotation shaft sleeve are provided with annular channels with the same size as the two ends of the shaft sleeve connecting rod, the shaft sleeve connecting rod can be connected under the condition of not influencing the separate use of the upper rotation shaft sleeve and the lower rotation shaft sleeve, the module connecting rod is arranged on the outer sides of the lower rotation shaft sleeve and the upper rotation shaft sleeve, one, one end of the connecting rotating arm is provided with a screen connecting plate, one end of the screen connecting plate is provided with a liquid crystal display screen, the module connecting rod is connected with the screen mounting rod through the upper rotating shaft sleeve and can rotate for three hundred and six degrees, the liquid crystal display screen can rotate towards the periphery, the connecting rotating arm is connected with the displacement connecting arm bearing and can enable the connecting rotating arm to have a three hundred and sixty degree rotating motion stroke and can drive the liquid crystal display screen to move up and down, the connecting rotating arm is connected with the screen connecting plate through a pin so that the liquid crystal display screen can obtain a one hundred and eighty degree displacement angle and can adjust the use angle of the liquid crystal display screen, the outer surface of the liquid crystal display screen is provided with display screen connecting blocks, the display screen connecting blocks are convex and concave, and have the same size, and when the liquid crystal display screen is connected with, the device can be spliced into a large screen for use, and can rotate the display screen at multiple angles to form an independent small screen, so that the screen content can be displayed at multiple angles, and the device is convenient to use;
2. the utility model discloses a top with screen installation pole installation and installation fixed plate, the device can be fixed on the installation fixed plate, the universal wheel is installed to the below of installation fixed plate, the universal wheel makes and is convenient for remove after the concatenation of whole device, stop screw is installed to the one end of installation fixed plate, stop block's internal surface mounting has stop screw, stop fixed plate is installed to stop screw's lower extreme, when needs fixing device, stop screw is rotatory downwards, drive stop fixed plate and contact ground downwards, thereby make whole device fixed and ground, stop block connects whole device, thereby drive whole device and be fixed, when needing to remove, upwards twist stop screw, stop fixed plate leaves ground, the device can remove, make the removal after conveniently splicing through the design.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a side view of the utility model in its entirety;
FIG. 3 is a schematic view of the present invention;
fig. 4 is a schematic view of a partial structure of the screen rotation module of the present invention.
In the figure: 1. a limiting fixing plate; 2. a limit screw; 3. a limiting connecting block; 4. mounting a fixed plate; 5. a universal wheel; 6. a screen mounting bar; 7. a lower rotating shaft sleeve; 8. a shaft sleeve connecting rod; 9. a module connecting rod; 10. a displacement connecting arm; 11. connecting the rotating arm; 12. a screen connecting plate; 13. a liquid crystal display screen; 14. a display screen connecting block; 15. rotating the shaft sleeve upwards; 16. and a screen rotation module.
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.
Referring to fig. 1 to 4, the present invention provides an embodiment: a spliced display screen comprises a limiting fixing plate 1, a limiting screw 2 is installed at the upper end of the limiting fixing plate 1, a limiting connecting block 3 is installed on the outer surface of the limiting screw 2, an installation fixing plate 4 is installed at one end of the limiting connecting block 3, a universal wheel 5 is installed at the lower end of the installation fixing plate 4, the universal wheel 5 enables the whole device to be conveniently moved after being spliced, a screen installation rod 6 is installed at the upper end of the installation fixing plate 4, a screen rotation module 16 is installed on the outer surface of the screen installation rod 6, the screen rotation module 16 comprises a lower rotation shaft sleeve 7, a shaft sleeve connecting rod 8 and an upper rotation shaft sleeve 15, a shaft sleeve connecting rod 8 is installed at the upper end of the lower rotation shaft sleeve 7, an upper rotation shaft sleeve 15 is installed at the upper end of the shaft sleeve connecting rod 8, a module connecting rod 9 is installed at one side of the lower rotation shaft sleeve 7, the liquid crystal display 13 can rotate around to display screen contents in multiple directions, a displacement connecting arm 10 is installed on one side of a module connecting rod 9, a connecting rotating arm 11 is installed on one side of the displacement connecting arm 10, a screen connecting plate 12 is installed at one end of the connecting rotating arm 11, the liquid crystal display 13 is installed at one end of the screen connecting plate 12, and a display connecting block 14 is arranged on the outer surface of the liquid crystal display 13.
Further, the one end of screen connecting plate 12 is laminated completely with liquid crystal display 13's one end, and screen connecting plate 12 passes through the screw connection with liquid crystal display 13, and screen connecting plate 12 is connected with liquid crystal display 13 and can lets liquid crystal display 13 obtain fixedly, lets liquid crystal display 13 and whole device produce the displacement relation.
Further, the one end of connecting rotor arm 11 is laminated completely with the one end of screen connecting plate 12, connects rotor arm 11 and passes through pin joint with screen connecting plate 12, connects rotor arm 11 and can make liquid crystal display 13 obtain the displacement angle of one hundred eighty degrees through pin joint with screen connecting plate 12, can adjust liquid crystal display 13's use angle, facilitates the use.
Further, the one end of connecting rotor arm 11 is laminated completely with the one end of displacement linking arm 10, connects rotor arm 11 and is connected through the bearing with displacement linking arm 10, connects rotor arm 11 through being connected with displacement linking arm 10 bearing, can let connect rotor arm 11 to possess the rotatory motion stroke of three hundred sixty degrees, can drive liquid crystal display 13 and reciprocate.
Further, one of the liquid crystal display screens 13 is completely attached to the other liquid crystal display screen 13, the one of the liquid crystal display screens 13 is connected with the other liquid crystal display screen 13 through a display screen connecting block 14, the display screen connecting block 14 is convex and concave, and the size of the display screen connecting block is the same, when the liquid crystal display screen 13 is connected with the other liquid crystal display screen 13, the convex block of the display screen connecting block 14 is connected with the groove of the display screen connecting block 14, so that seamless connection is achieved, and the liquid crystal display screens 13 can be combined to form a large screen.
Further, the outer surface of the screen mounting rod 6 is completely attached to the inner surface of the roller bearing, the screen mounting rod 6 is connected with the upper rotating shaft sleeve 15 through the roller bearing, the module connecting rod 9 can rotate for three hundred and six degrees through the connection of the upper rotating shaft sleeve 15 and the screen mounting rod 6, and the liquid crystal display 13 can rotate around to display screen contents in multiple directions.
Further, the internal surface of spacing connecting block 3 and stop screw 2's surface laminate completely, and spacing connecting block 3 passes through stop screw 2 with spacing fixed plate 1 to be connected, and stop screw 2 is rotatory downwards, drives 1 downward contact ground of spacing fixed plate to make whole device fixed and ground, whole device is connected to spacing connecting block 3.
Further, the upper end of universal wheel 5 is laminated completely with the lower extreme of installation fixed plate 4, and universal wheel 5 passes through threaded connection with installation fixed plate 4, and universal wheel 5 makes the removal of being convenient for after the concatenation of whole device.
The working principle is as follows: when in use, the outer side of the screen installation rod 6 is provided with the screen rotation module 16, the screen rotation module 16 can be increased up and down according to the height of the screen installation rod 6, the screen rotation module 16 consists of a lower rotation shaft sleeve 7, a shaft sleeve connecting rod 8 and an upper rotation shaft sleeve 15, the lower rotation shaft sleeve 7 and the upper rotation shaft sleeve 15 can respectively drive one module connecting rod 9 to move, the shaft sleeve connecting rod 8 is connected with an upper rotation shaft sleeve 15 and a stroke module 17, the two ends of the shaft sleeve connecting rod 8 are circular sheets, annular channels with the same size as the two ends of the shaft sleeve connecting rod 8 are arranged inside the upper rotation shaft sleeve 15 and the lower rotation shaft sleeve 7, the shaft sleeve connecting rod 8 can be connected under the condition that the upper rotation shaft sleeve 15 and the lower rotation shaft sleeve 7 are not influenced to be separately used, the module connecting rod 9 is arranged outside the lower rotation shaft sleeve 7 and the upper rotation shaft sleeve 15, one side, one side of the displacement connecting arm 10 is provided with a connecting rotating arm 11, one end of the connecting rotating arm 11 is provided with a screen connecting plate 12, one end of the screen connecting plate 12 is provided with a liquid crystal display 13, the module connecting rod 9 can rotate for three hundred and six degrees through the connection of the upper rotating shaft sleeve 15 and the screen mounting rod 6, the liquid crystal display 13 can rotate around, the connecting rotating arm 11 can enable the connecting rotating arm 11 to have a three hundred and sixty-degree rotating movement stroke through the bearing connection with the displacement connecting arm 10, the liquid crystal display 13 can be driven to move up and down, the connecting rotating arm 11 and the screen connecting plate 12 can enable the liquid crystal display 13 to obtain a one hundred and eighty-degree displacement angle through the pin connection, the use angle of the liquid crystal display 13 can be adjusted, the outer surface of the liquid crystal display 13 is provided with a display connecting block 14, the sizes of the liquid crystal display screens are the same, when the liquid crystal display screen 13 is connected with another liquid crystal display screen 13, the liquid crystal display screen 13 can be connected with the groove of the display screen connecting block 14 through the convex block of the display screen connecting block 14, so that seamless connection is achieved, the liquid crystal display screens 13 can be connected into a large screen for use, the display screens can be rotated at multiple angles through the design, the independent small screens can be formed, screen contents can be displayed at multiple angles, and the use is convenient; install screen installation pole 6 and the top of installation fixed plate 4, the device can be fixed on installation fixed plate 4, universal wheel 5 is installed to the below of installation fixed plate 4, universal wheel 5 makes whole device concatenation after be convenient for remove, stop screw 2 is installed to the one end of installation fixed plate 4, stop screw 2 is installed to the internal surface mounting of limit connection piece 3, stop fixed plate 1 is installed to stop screw 2's lower extreme, when needing fixing device, stop screw 2 is rotatory downwards, drive stop fixed plate 1 and contact ground downwards, thereby make whole device fixed and ground, stop connection piece 3 connects whole device, thereby it is fixed to drive whole device, when needing to remove, upwards twist stop screw 2, stop fixed plate 1 leaves ground, the device can remove, make the removal after the convenient concatenation through the design.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a concatenation formula display screen, includes spacing fixed plate (1), its characterized in that: the screen mounting device is characterized in that a limiting screw (2) is installed at the upper end of a limiting fixing plate (1), a limiting connecting block (3) is installed on the outer surface of the limiting screw (2), an installation fixing plate (4) is installed at one end of the limiting connecting block (3), a universal wheel (5) is installed at the lower end of the installation fixing plate (4), a screen installation rod (6) is installed at the upper end of the installation fixing plate (4), a screen rotation module (16) is installed on the outer surface of the screen installation rod (6), the screen rotation module (16) comprises a lower rotation shaft sleeve (7), a shaft sleeve connecting rod (8) and an upper rotation shaft sleeve (15), a shaft sleeve connecting rod (8) is installed at the upper end of the lower rotation shaft sleeve (7), the upper rotation shaft sleeve (15) is installed at the upper end of the shaft sleeve connecting rod (8), and a module, displacement linking arm (10) is installed to one side of module connecting rod (9), connection rotor arm (11) are installed to one side of displacement linking arm (10), screen connecting plate (12) are installed to the one end of connecting rotor arm (11), liquid crystal display (13) are installed to the one end of screen connecting plate (12), the surface of liquid crystal display (13) is equipped with display connection piece (14).
2. The tiled display screen of claim 1, wherein: one end of the screen connecting plate (12) is completely attached to one end of the liquid crystal display screen (13), and the screen connecting plate (12) is connected with the liquid crystal display screen (13) through screws.
3. The tiled display screen of claim 1, wherein: the screen connecting plate is characterized in that one end of the connecting rotating arm (11) is completely attached to one end of the screen connecting plate (12), and the connecting rotating arm (11) is connected with the screen connecting plate (12) through a pin.
4. The tiled display screen of claim 1, wherein: the displacement connecting arm is characterized in that one end of the connecting rotating arm (11) is completely attached to one end of the displacement connecting arm (10), and the connecting rotating arm (11) is connected with the displacement connecting arm (10) through a bearing.
5. The tiled display screen of claim 1, wherein: one of the liquid crystal display screens (13) is completely attached to the other liquid crystal display screen (13), and one of the liquid crystal display screens (13) is connected with the other liquid crystal display screen (13) through a display screen connecting block (14).
6. The tiled display screen of claim 1, wherein: the outer surface of the screen mounting rod (6) is completely attached to the inner surface of the roller bearing, and the screen mounting rod (6) is connected with the upper rotating shaft sleeve (15) through the roller bearing.
7. The tiled display screen of claim 1, wherein: the inner surface of the limiting connecting block (3) is completely attached to the outer surface of the limiting screw (2), and the limiting connecting block (3) is connected with the limiting fixing plate (1) through the limiting screw (2).
8. The tiled display screen of claim 1, wherein: the upper end of universal wheel (5) and the lower extreme of installation fixed plate (4) laminate completely, universal wheel (5) and installation fixed plate (4) pass through threaded connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907703.0U CN209895703U (en) | 2019-06-17 | 2019-06-17 | Spliced display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920907703.0U CN209895703U (en) | 2019-06-17 | 2019-06-17 | Spliced display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209895703U true CN209895703U (en) | 2020-01-03 |
Family
ID=69021311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920907703.0U Active CN209895703U (en) | 2019-06-17 | 2019-06-17 | Spliced display screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209895703U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111524453A (en) * | 2020-06-06 | 2020-08-11 | 厦门理工学院 | Outdoor advertisement screen projection system and device based on big data |
| CN111578075A (en) * | 2020-06-18 | 2020-08-25 | 龙岩煜联信息技术有限公司 | Novel assembled screen |
| CN113063064A (en) * | 2021-03-18 | 2021-07-02 | 齐鲁师范学院 | LED outdoor advertising screen |
| CN114694509A (en) * | 2022-03-30 | 2022-07-01 | 浙江玖伍文化传媒有限公司 | Energy-concerving and environment-protective type solar energy culture media display device of multi-angle show |
| CN115031113A (en) * | 2022-07-18 | 2022-09-09 | 吴奇峰 | LED display screen based on many screens are shared each other |
| CN117432900A (en) * | 2023-09-28 | 2024-01-23 | 禄可科技集团有限公司 | Multi-screen display for video processing |
-
2019
- 2019-06-17 CN CN201920907703.0U patent/CN209895703U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111524453A (en) * | 2020-06-06 | 2020-08-11 | 厦门理工学院 | Outdoor advertisement screen projection system and device based on big data |
| CN111578075A (en) * | 2020-06-18 | 2020-08-25 | 龙岩煜联信息技术有限公司 | Novel assembled screen |
| CN113063064A (en) * | 2021-03-18 | 2021-07-02 | 齐鲁师范学院 | LED outdoor advertising screen |
| CN113063064B (en) * | 2021-03-18 | 2022-05-31 | 齐鲁师范学院 | LED outdoor advertising screen |
| CN114694509A (en) * | 2022-03-30 | 2022-07-01 | 浙江玖伍文化传媒有限公司 | Energy-concerving and environment-protective type solar energy culture media display device of multi-angle show |
| CN115031113A (en) * | 2022-07-18 | 2022-09-09 | 吴奇峰 | LED display screen based on many screens are shared each other |
| CN117432900A (en) * | 2023-09-28 | 2024-01-23 | 禄可科技集团有限公司 | Multi-screen display for video processing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209895703U (en) | Spliced display screen | |
| CN208208251U (en) | A kind of up-down billboard by Wind-driven rotating | |
| CN111853437A (en) | Equipment display device of VR virtual reality technique | |
| CN206450956U (en) | A kind of Used in TFT-LCD being easily installed | |
| CN208922160U (en) | Display device with concealed supporting bar structure | |
| CN212516468U (en) | Advertisement display board convenient to multi-angle show just has fixing device | |
| CN211654255U (en) | Think political affairs education publicity column outdoors | |
| CN210927922U (en) | Multimedia sound installation rack based on lifting technology | |
| CN106667146A (en) | Novel improving type display shelf special for electronic commerce | |
| CN216520369U (en) | Intelligent LED display screen based on 5g control system | |
| CN201289620Y (en) | Notebook-type computer with collapsible pick-up head | |
| CN209525761U (en) | A kind of intelligent parking position induction display screen | |
| CN210600968U (en) | Line concentration type wall-mounted display equipment | |
| CN107507538A (en) | A kind of multimode demonstration Graphic Panel | |
| CN211399205U (en) | Adjustable multi-screen advertisement machine | |
| CN112066198A (en) | Multi-layer multi-surface rotatable and wingspan rotatable display equipment | |
| CN206282560U (en) | Turn over advertisement cabinet in three faces suitable for external wall of high-rise building | |
| CN221098196U (en) | Liquid crystal display with double-screen display function | |
| CN204965939U (en) | Trilateral LED tiled display screen that turns over | |
| CN202392371U (en) | Rotatable TV stand | |
| CN211511251U (en) | Museum uses interactive display device | |
| CN218866269U (en) | Liquid crystal display backlight source | |
| CN216719451U (en) | Intelligent advertising board with adjustable advertising area | |
| CN210241099U (en) | School enterprise talent cultivates portable image and observes device of rubbing | |
| CN218378608U (en) | Black backlight source liquid crystal display with adjustable lifting and positioning functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |