CN113096546A - Waterproof box body type floor tile screen and display screen using same - Google Patents
Waterproof box body type floor tile screen and display screen using same Download PDFInfo
- Publication number
- CN113096546A CN113096546A CN202110313590.3A CN202110313590A CN113096546A CN 113096546 A CN113096546 A CN 113096546A CN 202110313590 A CN202110313590 A CN 202110313590A CN 113096546 A CN113096546 A CN 113096546A
- Authority
- CN
- China
- Prior art keywords
- waterproof
- floor tile
- box body
- tile screen
- power supply
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- 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.)
- Pending
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
Abstract
The invention relates to a waterproof box type floor tile screen, which comprises: the four floor tile screen waterproof module screens, the box body metal plate and the sealed waterproof rear cover component are arranged on the box body; the four floor tile screen waterproof module screens are flatly paved on the metal plate of the box body; the four floor tile screen waterproof module screens are adsorbed on the box body metal plate by adopting magnets or are fixed on the box body metal plate by adopting mounting screws; the sealed waterproof rear cover assembly is installed on the back of the metal plate of the box body and is connected with signal power supply access ports of the four floor tile screen waterproof module screens respectively. The middle area of the metal plate of the box body is provided with four signal power supply ports; the four signal power supply ports correspond to the four signal power supply access ports on the four floor tile screen waterproof module screens; the sealed waterproof rear cover component can cover four signal power supply ports in the middle area of the metal plate of the box body. The floor tile screen provided by the invention has excellent waterproof performance and high structural strength, reduces the weight of the whole floor tile screen, is convenient to transport, and reduces the material cost.
Description
Technical Field
The invention belongs to the technical field of floor tile screens, and particularly relates to a waterproof box type floor tile screen and a display screen using the same.
Background
LED ceramic tile screen is absorbed in and shows interactive ceramic tile screen of LED for a section ground of ground research and development design, at the bearing, prevent the flame retardant, barrier propterty, antiskid, prevent that dullness and product can the performance etc. aspect make special design and processing, make it can adapt to the high strength and trample, any environment normal operating for a long time does not need to add any peripheral protective equipment, like toughened glass, ya keli, PC board etc. directly tramples.
The most classical application is that when a person steps on the floor tile screen, the sensing chip can sense the position of the person so as to trigger information to be fed back to the interactive main control console, then the main control console outputs corresponding display effect after logical judgment, can track the footstep movement by means of the induction chip, can follow the footstep movement and present instant interactive picture effect, therefore, all originality and imagination of interactive vision, touch and hearing … … of sky horse running can be in the immersive dynamic interactive experience space, strong resonance of visitors on the aspects of vision, sense and experience is triggered, the sense of substitution and active participation of visitors are enhanced, high-level omnibearing interactive experience is shaped for the visitors to shuttle among the space, just like starting a unique magic artistic trip with interactive digital display, the foot standing on the tiptoe instantly steps on a world of colorful light and cursory shadows.
The floor tile screen is particularly vulnerable to water and structural strength problems, as it needs to be set on the ground to work.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the prior art, the waterproof box type floor tile screen and the display screen using the same provided by the invention not only solve the technical problems of poor waterproof performance, low structural strength and low induction sensitivity of the waterproof box type floor tile screen in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a waterproof box style floor tile screen comprising: the four floor tile screen waterproof module screens, the box body metal plate and the sealed waterproof rear cover component are arranged on the box body;
the four floor tile screen waterproof module screens are flatly paved on the metal plate of the box body;
the four floor tile screen waterproof module screens are adsorbed on the box body metal plate by adopting magnets or are fixed on the box body metal plate by adopting mounting screws;
the sealed waterproof rear cover assembly is arranged on the back surface of the metal plate of the box body and is respectively connected with the signal power supply access ports of the four floor tile screen waterproof module screens;
wherein, each waterproof module screen of ceramic tile screen all includes: the LED lamp comprises a transparent mask, an LED lamp panel and a bottom shell;
the LED lamp panel is laid in the back groove of the transparent mask, and induction conductors are uniformly sprayed on the inner wall surface of the transparent mask and are arranged between the LED lamp panel and the transparent mask;
the bottom shell is arranged on the back face of the transparent cover and used for protecting the LED lamp panel in the back face groove of the transparent cover.
Preferably, four signal power supply ports are arranged in the middle area of the metal plate of the box body;
the four signal power supply ports correspond to the four signal power supply access ports on the four floor tile screen waterproof module screens;
the sealed waterproof rear cover assembly can cover the four signal power supply ports in the middle area of the metal plate of the box body.
Preferably, the waterproof and airtight rear cover assembly includes: the power supply device comprises a rear cover shell, a power supply conversion unit, a patch panel unit, a power supply waterproof plug and a signal waterproof connector;
the power conversion unit and the adapter plate unit are both arranged in the rear cover shell;
the power supply waterproof plug and the signal waterproof connector are arranged on two side surfaces of the rear cover shell and are respectively connected with the power supply conversion unit and the adapter plate unit;
the power supply conversion unit can convert external alternating current into low-voltage direct current;
and power lines and signal lines of the four floor tile screen waterproof module screens are connected with the adapter plate unit.
Preferably, a handle is arranged on the rear cover shell of the sealed waterproof rear cover assembly;
the handle is arranged at the top of the rear cover shell.
Preferably, a waterproof groove is arranged on the rear cover shell and contacts with the periphery of the metal plate of the box body;
and a sealing ring is arranged in the waterproof groove.
Preferably, the back of the rear cover shell is provided with a plurality of double heat dissipation ribs;
and a rotatable U-shaped supporting rod assembly is arranged on the rear cover shell.
Preferably, the power waterproof joint is a PG joint or a socket;
the signal waterproof joint is a PG joint or a socket.
Preferably, a plurality of threaded holes are formed in the metal plate of the box body;
when the magnet is adopted for connection and fixation, the magnet is arranged in the threaded hole;
when the mounting screw is adopted for connection and fixation, the screw penetrates through the threaded hole.
Preferably, the kinds of the induction conductor include: any one of an electro-adhesive, a metal layer, and a metal member;
the induction conductor is in contact with the LED lamp panel and can transmit induction information to an induction circuit on the LED lamp panel.
This technical scheme still provides a display screen, by a plurality of waterproof box formula floor tile screen group according to above-mentioned scheme constitute.
(III) advantageous effects
The invention has the beneficial effects that: the waterproof box type floor tile screen and the display screen using the same provided by the invention have the advantages that the waterproof performance is excellent, the weight of the whole floor tile screen is reduced on the premise of high structural strength, the transportation is convenient, and the material cost is reduced.
The transparent face cover is sprayed with the conductive adhesive or the metal layer or is provided with the metal piece as the induction conductor, so that the material cost can be further reduced, and the problem of low sensitivity of the floor tile screen in the existing product can be solved.
Drawings
Fig. 1 is a schematic structural view of a waterproof box type floor tile screen provided by the present invention;
FIG. 2 is a schematic structural diagram of a metal plate and a waterproof sealing rear cover assembly of a waterproof box floor tile screen according to the present invention;
FIG. 3 is a schematic structural diagram of a metal plate and a waterproof sealing rear cover assembly of a waterproof box floor tile screen according to the present invention;
fig. 4 is a schematic structural view of a four-floor tile waterproof modular screen of the waterproof box type floor tile screen according to the present invention;
FIG. 5 is a schematic structural view of a waterproof rear cover assembly of the waterproof box type floor tile screen according to the present invention;
fig. 6 is a schematic view of the sensing conductors distributed on the transparent surface cover of the waterproof module screen of the floor tile screen of the waterproof box type floor tile screen according to the present invention.
Reference numerals
1: four floor tile waterproof module screens; 101: a signal power supply access port;
2: a box body metal plate; 201: a signal power supply port; 202: a magnet mounting position; 203: the box body is provided with a positioning column;
3: sealing the waterproof rear cover assembly; 301: a rear cover housing; 302: a power conversion unit; 303: an adapter plate unit; 304: a waterproof plug of a power supply; 305: a signal waterproof plug; 306: a waterproof groove; 307: a handle; 308: double heat dissipation ribs; 309: a U-shaped strut assembly.
4: a sensing conductor.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-6: the embodiment discloses a waterproof box formula ceramic tile screen includes: the waterproof module screen comprises four floor tile screen waterproof module screens 1, a box body metal plate 2 and a sealed waterproof rear cover component 3; the four floor tile screen waterproof module screens 1 are tiled on the box body metal plate 2; the four floor tile screen waterproof module screens 1 are adsorbed on the box body metal plate 2 by adopting magnets or fixed on the box body metal plate 2 by adopting mounting screws; the sealed waterproof rear cover assembly 3 is arranged on the back surface of the box body metal plate 2 and is respectively connected with the signal power supply access ports 101 of the four floor tile screen waterproof module screens 1.
In the embodiment, four signal power supply ports 201 are arranged in the middle area of the box body metal plate 2; the four signal power source ports 201 correspond to four signal power source access ports on the four floor tile screen waterproof module screens 1; the sealed waterproof rear cover assembly 3 can cover the four signal power supply ports 201 in the middle area of the metal plate 2 of the box body.
Wherein, each waterproof module screen of ceramic tile screen all includes in this embodiment: transparent face guard, LED lamp plate and drain pan.
The LED lamp plate is laid in the back groove of the transparent cover, the inner wall surface of the transparent cover is uniformly sprayed with induction conductors 4, and the induction conductors 4 are arranged between the LED lamp plate and the transparent cover.
The sensing conductors can be used to determine the number and density of the jet arrangements according to the sensitivity required in practice, for example, fig. 6 shows an example of 16 areas of a jet arrangement.
The bottom shell is arranged on the back face of the transparent cover and used for protecting the LED lamp panel in the back face groove of the transparent cover.
The types of the induction conductor 4 described herein include: any one of an electro-adhesive, a metal layer, and a metal member; the induction conductor 4 contacts with the LED lamp panel and can transmit induction information to an induction circuit on the LED lamp panel.
Conductive adhesive or a metal layer is sprayed on the transparent face cover, or a metal piece is arranged on the transparent face cover to serve as the induction conductor 4, so that the material cost can be reduced, and the problem of low sensitivity of the floor tile screen in the existing product can be solved.
The waterproof and airtight rear cover assembly 3 described in the present embodiment includes: rear cover casing 301, power conversion unit 302, adapter plate unit 303, waterproof plug of power 304 and waterproof joint 305 of signal.
The power conversion unit 302 and the adapter plate unit 303 are both arranged in the rear cover shell 301; the power waterproof plug 304 and the signal waterproof connector 305 are arranged on two side surfaces of the rear cover shell 301, and are respectively connected with the power conversion unit 302 and the adapter plate unit 303; the power conversion unit 303 can convert external alternating current into low-voltage direct current; the power lines and the signal lines of the four floor tile screen waterproof module screens 1 are connected with the adapter plate unit 303.
It should be noted that: the power supply outgoing lines on the signal power supply access ports 101 on the four floor tile screen waterproof module screens 1 are connected with the adapter plate unit 303, the power supply conversion unit 302 can convert external alternating current into low-voltage direct current, the low-voltage direct current is conducted into the four floor tile screen waterproof module screens 1 by means of the adapter plate unit 303, and in addition, the signal outgoing lines of the signal power supply access ports 101 on the four floor tile screen waterproof module screens 1 are connected with the adapter plate unit 303 and are communicated with the signal of the signal waterproof connector 305 by means of the adapter plate unit 303.
The handle 307 is arranged on the rear cover shell 301 of the sealed waterproof rear cover component 3 in the embodiment; the handle 307 is disposed on the top of the rear cover case 301.
The handle 307 arranged here facilitates lifting and transferring of the waterproof box type floor tile screen.
In this embodiment, a waterproof groove 306 is formed in the periphery of the rear cover shell 301 contacting the box metal plate 2; a sealing ring is arranged in the waterproof groove 306. The sealing ring arranged in the waterproof groove 306 can further enhance the waterproof performance of the box type floor tile screen.
The back of the rear cover shell 301 in this embodiment is provided with a plurality of double heat dissipation ribs 308; a rotatable U-shaped support bar assembly 309 is provided on the rear cover housing 301.
The waterproof power connector 304 in this embodiment is a PG connector or a socket; the signal waterproof connector 305 is a PG connector or a socket.
In the embodiment, a plurality of threaded holes are formed in the metal plate 1 of the box body; when the magnet is adopted for connection and fixation, the magnet is arranged in the threaded hole; i.e. here the threaded hole is the magnet mounting location 202. When the mounting screw is adopted for connection and fixation, the screw penetrates through the threaded hole.
It should be noted that, in the present embodiment, a plurality of box installation positioning posts 203 are further disposed on the back surface of the box metal plate to assist installation.
The embodiment also provides a display screen, which is composed of a plurality of waterproof box type floor tile screens.
In detail, in practical applications, when a large or ultra-large area display screen is needed, a plurality of waterproof box type floor tile screen combination screens described in this embodiment need to be spliced to form a large area display screen, for example, when a large area outdoor wall or a whole wall surface or a whole ground surface of a mall or a playground needs to be used as a display screen, a large number of waterproof box type floor tile screens described in this embodiment need to be used.
Another example illustrates: every ceramic tile screen waterproof module in this implementation all includes: the LED lamp comprises a transparent mask, an induction plate, an LED lamp panel and a bottom shell; the LED lamp plate with the tablet is laid in proper order the layering the back inslot of transparent face guard, just the tablet laminating the internal face of transparent face guard, in the LED lamp plate with between the transparent face guard.
It should be noted that: the induction plate here be located the LED lamp plate with between the back inslot face of transparent face guard, in actual equipment, through the LED lamp plate will the induction plate compresses tightly the laminating and is in the back inslot of transparent face guard.
The drain pan is located the back of transparent cover for the protection is located in the back inslot of transparent cover the LED lamp plate with the tablet.
In this embodiment, a plurality of mask pillars are arranged in the back groove of the transparent mask; the induction plate and the LED lamp panel are respectively provided with a post hole corresponding to the mask post; the face guard post can pass induction plate with the post hole top that establishes on the LED board is in on the drain pan.
It should be noted that: the veil posts herein not only serve a locating function, but also enhance the structural strength of the entire module.
In this embodiment, the back groove of the transparent mask is provided with reinforcing ribs which are uniformly distributed and staggered horizontally or vertically.
And micro grooves are formed among the transverse or vertical staggered reinforcing ribs.
The micro groove is used for accommodating part of the induction plate and lamp beads on the LED lamp panel;
the induction plate can directly contact the transverse or vertical staggered reinforcing ribs and the inner wall surface of the micro groove.
It should be noted that the reinforcing ribs not only can enhance the structural strength of the transparent mask, but also can increase the contact area of the sensing plate on the transparent mask and disperse the acting force.
The inner side of the four peripheral walls of the transparent mask in the embodiment is uniformly provided with a plurality of convex structures; the outer sides of the four peripheral walls of the bottom shell are uniformly provided with first protrusion and groove structures; second protrusion and groove structures are uniformly arranged on the outer sides of the four peripheral walls of the LED lamp panel; the first projection and groove structure and the second projection and groove structure are matched with the projection structure;
the protruding structures can be correspondingly and respectively clamped in the first protruding and groove structures and the second protruding and groove structures.
Through the protruding structure that sets up on transparent surface cover to and the groove structure on drain pan and the LED lamp plate further improves the structural strength of whole module.
In this embodiment, the bottom case is further provided with a signal power supply access opening frame structure; an annular sealing waterproof assembly is further arranged in the signal power supply access opening frame structure.
Specifically, the annular waterproof seal assembly includes: waterproof structure spare, preceding sealing washer, back sealing washer and side sealing washer.
The front sealing ring, the rear sealing ring and the side sealing ring are all sleeved on the waterproof structural member.
The waterproof structural part is matched with the signal power supply access opening frame structure and is used for preventing water; and a signal power supply interface is arranged on the waterproof structural part.
The waterproof effect of playing that the waterproof subassembly of annular seal that sets up in this embodiment can be fine.
In this embodiment, the signal power source interface is internally connected with the LED lamp panel and the induction board; the signal power supply interface is externally connected with a signal power supply control source.
The front and the back of the bottom shell are provided with a plurality of stress increasing pillars; the stress-increasing column on the front surface of the bottom shell is used for supporting the LED lamp panel and matching with the transparent mask; the back of the bottom shell is also provided with a double-rib reinforcing structure, an annular bulge and a groove for mounting a circular magnet.
Finally, it should be noted that: the peripheral wall of the transparent mask is positioned between the peripheral walls of the rear shell, and a containing space for containing sealant is also formed between the peripheral walls of the transparent mask and the rear shell;
and sealant is arranged in the accommodating space and used for further sealing the periphery of the joint of the transparent mask and the rear shell.
In concrete application, the containing space is filled with the sealant, so that the effect of further enhancing waterproof capacity of the whole module is achieved.
In the embodiment, the four floor tile screen waterproof modules are assembled on the metal plate of the box body in a group and fixed by magnets or screws.
When the box body is fixedly connected by adopting a magnet, the magnet is arranged in the threaded hole on the metal plate of the box body;
a plurality of magnets are correspondingly and fixedly arranged on a bottom shell of the floor tile screen waterproof module. When the magnet is used for fixing, the whole annular sealing waterproof assembly is used for the floor tile screen waterproof module
When the installation screws are used for connecting and fixing, the annular sealing waterproof component of the floor tile screen waterproof module only needs the front sealing ring, and the side sealing ring and the rear sealing ring can be removed.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, which shall fall within the scope of the present invention.
Claims (10)
1. A waterproof box type floor tile screen, comprising: the four floor tile screen waterproof module screens, the box body metal plate and the sealed waterproof rear cover component are arranged on the box body;
the four floor tile screen waterproof module screens are flatly paved on the metal plate of the box body;
the four floor tile screen waterproof module screens are adsorbed on the box body metal plate by adopting magnets or are fixed on the box body metal plate by adopting mounting screws;
the sealed waterproof rear cover assembly is arranged on the back surface of the metal plate of the box body and is respectively connected with the signal power supply access ports of the four floor tile screen waterproof module screens;
wherein, each waterproof module screen of ceramic tile screen all includes: the LED lamp comprises a transparent mask, an LED lamp panel and a bottom shell;
the LED lamp panel is laid in the back groove of the transparent mask, and induction conductors are uniformly sprayed on the inner wall surface of the transparent mask and are arranged between the LED lamp panel and the transparent mask;
the bottom shell is arranged on the back face of the transparent cover and used for protecting the LED lamp panel in the back face groove of the transparent cover.
2. The waterproof box floor tile screen of claim 1,
the middle area of the metal plate of the box body is provided with four signal power supply ports;
the four signal power supply ports correspond to the four signal power supply access ports on the four floor tile screen waterproof module screens;
the sealed waterproof rear cover assembly can cover the four signal power supply ports in the middle area of the metal plate of the box body.
3. The waterproof box floor tile screen of claim 2,
the waterproof and airtight rear cover assembly includes: the power supply device comprises a rear cover shell, a power supply conversion unit, a patch panel unit, a power supply waterproof plug and a signal waterproof connector;
the power conversion unit and the adapter plate unit are both arranged in the rear cover shell;
the power supply waterproof plug and the signal waterproof connector are arranged on two side surfaces of the rear cover shell and are respectively connected with the power supply conversion unit and the adapter plate unit;
the power supply conversion unit can convert external alternating current into low-voltage direct current;
and power lines and signal lines of the four floor tile screen waterproof module screens are connected with the adapter plate unit.
4. The water resistant box floor tile screen of claim 3,
a handle is arranged on the rear cover shell of the sealed waterproof rear cover component;
the handle is arranged at the top of the rear cover shell.
5. The water resistant box floor tile screen of claim 3,
a waterproof groove is formed in the rear cover shell and is in contact with the periphery of the metal plate of the box body;
and a sealing ring is arranged in the waterproof groove.
6. The water resistant box floor tile screen of claim 3,
the back surface of the rear cover shell is provided with a plurality of double radiating ribs;
and a rotatable U-shaped supporting rod assembly is arranged on the rear cover shell.
7. The water resistant box floor tile screen of claim 3,
the power supply waterproof joint is a PG joint or a socket;
the signal waterproof joint is a PG joint or a socket.
8. The waterproof box floor tile screen of claim 1,
a plurality of threaded holes are formed in the metal plate of the box body;
when the magnet is adopted for connection and fixation, the magnet is arranged in the threaded hole;
when the mounting screw is adopted for connection and fixation, the screw penetrates through the threaded hole.
9. The waterproof box floor tile screen of claim 1,
the kinds of the induction conductor include: any one of an electro-adhesive, a metal layer, and a metal member;
the induction conductor is in contact with the LED lamp panel and can transmit induction information to an induction circuit on the LED lamp panel.
10. A display screen comprised of a plurality of water resistant box floor tile screens as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110313590.3A CN113096546A (en) | 2021-03-24 | 2021-03-24 | Waterproof box body type floor tile screen and display screen using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110313590.3A CN113096546A (en) | 2021-03-24 | 2021-03-24 | Waterproof box body type floor tile screen and display screen using same |
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| Publication Number | Publication Date |
|---|---|
| CN113096546A true CN113096546A (en) | 2021-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110313590.3A Pending CN113096546A (en) | 2021-03-24 | 2021-03-24 | Waterproof box body type floor tile screen and display screen using same |
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| CN (1) | CN113096546A (en) |
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| CN209183181U (en) * | 2018-12-28 | 2019-07-30 | 南京明钼视讯科技有限公司 | A kind of LED outdoor display screen |
| CN111223397A (en) * | 2020-03-10 | 2020-06-02 | 深圳市德建光电科技有限公司 | Interactive interactive floor tile screen that stability is high |
| CN212276727U (en) * | 2020-04-29 | 2021-01-01 | 深圳市睿思韦尔电子技术有限公司 | High-protection LED display module |
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| JP3150179U (en) * | 2009-02-18 | 2009-04-30 | 陞昶科技股▲ふん▼有限公司 | Multi-sensor touchpad |
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