CN114973977B - Spliced LED transparent screen - Google Patents
Spliced LED transparent screen Download PDFInfo
- Publication number
- CN114973977B CN114973977B CN202110209660.0A CN202110209660A CN114973977B CN 114973977 B CN114973977 B CN 114973977B CN 202110209660 A CN202110209660 A CN 202110209660A CN 114973977 B CN114973977 B CN 114973977B
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- lamp
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- 239000011324 bead Substances 0.000 claims description 31
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 abstract description 24
- 238000000429 assembly Methods 0.000 abstract description 24
- 239000011521 glass Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 5
- 230000001427 coherent effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- -1 Polyethylene Terephthalate Polymers 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention relates to the technical field of display screens, in particular to a spliced LED transparent screen, which comprises at least two adjacent screen components, wherein each screen component comprises a front cover plate, a lamp panel and a back plate, the lamp panel is arranged between the back plate and the front cover plate, and the lamp panel comprises at least one lamp panel unit; the lamp panel units of the screen assemblies are not on the same plane as the lamp panel units of the adjacent screen assemblies and have overlapping areas. Compared with the prior art, the spliced LED transparent screen provided by the invention uses a plurality of spliced lamp panel units as the lamp panels, the front cover plate and the back plate are respectively covered on the two sides of the lamp panels to form screen components, and the spliced LED transparent screen provided by the invention comprises at least two adjacent screen components.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a spliced LED transparent screen.
Background
The LED (LIGHT EMITTING Diode) transparent glass screen has the advantages of easy control, low-voltage direct current drive, rich color expression after combination, long service life and the like of the traditional LED display screen, and is widely applied to urban brightening engineering and large-screen display systems due to the unique advantages of the LED (LIGHT EMITTING Diode) transparent glass screen applied to glass curtain walls. The LED transparent glass screen is also widely applied to large squares, stage scenery, bars, high-grade singing and dancing halls, urban landmark buildings, municipal buildings, airports, automobile 4S stores, hotels, banks, brand chain stores and the like, and has the practicability of the LED glass display screen and certain attractiveness and concealment.
The existing LED transparent screen is combined by adopting bolt fixed connection, and the installation and the disassembly of the connection mode are too complex when the connection mode is used, so that the time and the labor are consumed. To this, application number is 202020494974.0, and chinese patent that publication date is 2020 10 month 27 days discloses a transparent screen of LED that can splice, sets up clamping block mechanism and realizes that the form through the joint between the transparent screen of LED is fixed, has avoided the fixed complex operation process of bolt installation, realizes the swift locking of transparent screen of LED through setting up fixed establishment, has avoided the influence of the frame strip in the middle of the screen to the transparent screen bandwagon effect of LED when using through the direct contact between the transparent screen of LED.
However, the spliced LED transparent glass screen in the prior art has an unresolved problem, that is, the splicing mode of direct butt joint will cause the problem that the splicing area has an incoherent picture because the wiring area at the edge of the LED lamp panel cannot emit light and cannot transmit light.
Disclosure of Invention
In order to solve the problem of picture incoherency of an LED transparent display screen in the prior art, the invention provides a spliced LED transparent screen, which comprises at least two adjacent screen components, wherein the screen components comprise a front cover plate, a lamp panel and a back plate, the lamp panel is arranged between the back plate and the front cover plate, and the lamp panel comprises at least one lamp panel unit; the light panel units of the screen assembly are not on the same plane as the adjacent light panel units of the screen assembly and have overlapping areas.
Further, the lamp panel unit comprises a wiring area and a display area, the wiring area is located on one side of the lamp panel unit, the display area is provided with a wire circuit pattern and a plurality of lamp beads, the lamp beads are connected with the wire circuit pattern, the wire circuit pattern area is connected to the wiring area, the lamp beads are electrically connected to a control device of the LED transparent screen through the wire circuit pattern and the wiring area, and the wiring area of at least one of the two adjacent lamp panel units with the overlapping area is located in the overlapping area.
Further, the lamp panel comprises a plurality of lamp panel units which are arranged in a strip shape, and the wiring areas of the lamp panel units which are arranged in a strip shape are all positioned on the same side of the lamp panel; the wiring area of the screen assembly and the adjacent display area of the screen assembly are located in the overlapping area on one side of the display area, which is away from the wiring area.
Further, the lamp panel comprises a plurality of lamp panel units in strip arrangement, the wiring areas of the lamp panel units in strip arrangement are all located on the same side of the lamp panel, and the wiring areas of the screen assembly and the wiring areas of adjacent screen assemblies are all located in the overlapping area.
Further, the front cover plate of the screen assembly is integrally combined with the front cover plate of the adjacent screen assembly, and the back plate of the screen assembly is integrally combined with the back plate of the adjacent screen assembly or is spliced.
Further, the front cover plate and the back plate both cover the display area and both expose the wiring area.
Further, the front cover plate covers the lamp panel unit, and the back plate covers the display area and exposes the wiring area.
Further, the width of the overlapping region is not greater than the distance between the centers of two adjacent lamp beads in the direction of the width.
Further, the screen assembly comprises a frame column fixedly connected with the screen assembly and overlapped with the overlapped area, a wire penetrating groove is formed in the frame column, and the wiring area located in the overlapped area is electrically connected to the control device through wires in the wire penetrating groove.
Further, the front cover plate is provided with a plurality of openings at positions corresponding to a plurality of lamp beads, and the shapes of the openings are matched with the lamp beads.
Compared with the prior art, the spliced LED transparent screen provided by the invention uses a plurality of spliced lamp panel units as the lamp panels, the front cover plate and the back plate are respectively covered on the two sides of the lamp panels to form screen components, and the spliced LED transparent screen provided by the invention comprises at least two adjacent screen components.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of a spliced LED transparent screen provided by the invention;
FIG. 2 is an enlarged view of a portion of the area A of FIG. 1;
FIG. 3 is a schematic view of a lamp panel unit according to the present invention;
FIG. 4 is a schematic front view of an embodiment;
FIG. 5 is a schematic bottom view of an embodiment;
FIG. 6 is a schematic diagram of a second screen group according to the second embodiment;
FIG. 7 is a bottom view of a second panel of embodiments;
FIG. 8 is a schematic diagram of a third screen group in front view according to the third embodiment;
Fig. 9 is a bottom view of a third panel of screens according to the embodiment.
Reference numerals:
100 Screen assembly 110 front cover 120 lamp panel
121 Lamp panel unit 1211 wiring area 1212 display area
130 Backboard 200 frame column 122 base plate
123 Lamp pearl 124 electrical property fishplate bar 900 overlap area
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. In addition, the technical features which are designed in the different embodiments of the invention described below can be combined with one another as long as they do not conflict with one another.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention provides a spliced LED transparent screen, as shown in fig. 1-3, comprising at least two adjacent screen assemblies 100, wherein the screen assemblies 100 comprise a front cover plate 110, a lamp panel 120 and a back plate 130, the lamp panel 120 is arranged between the back plate 130 and the front cover plate 110, and the lamp panel 120 comprises at least one lamp panel unit 121; the lamp panel units 121 of the screen assembly 100 are not on the same plane as the lamp panel units 121 of the adjacent screen assembly 100 and have an overlap region 900.
As shown in fig. 3, the lamp panel unit 121 has a substrate 122, a conductive circuit pattern (not shown), a plurality of lamp beads 123 and an electrical connection board 124, wherein the substrate is made of glass material, the conductive circuit pattern is disposed on the substrate 122 and is connected with the electrical connection board 124, the electrical connection board is a flexible circuit board (Flexible Printed Circuit, FPC), a control device (not shown) is disposed on one side of the substrate 122 in a strip shape and is electrically connected to the LED transparent screen, the lamp beads 123 are not limited to LED packages or LED chips, and the plurality of lamp beads 123 are disposed on the substrate 122 in a matrix distribution and are connected with the conductive circuit pattern.
The area where the plurality of lamp beads 123 are distributed is a display area 1212 of the lamp panel unit 121, the area where the electrical connection plates 124 are distributed is a wiring area 1211 of the lamp panel unit 121, the wiring area 1211 is located at one side edge of the lamp panel unit 121, the wire circuit pattern is connected to the wiring area 1211, the plurality of lamp beads 123 are electrically connected to the control device through the wire circuit pattern and the wiring area 1211, and the control device is used for controlling the plurality of lamp beads 123 to emit light and display images. In order to avoid that the wiring area 1211 of the lamp panel unit 121 cannot emit light and cannot transmit light, and to avoid that the wiring area 1211 affects the display consistency of the LED transparent screen, the embodiment of the present invention locates the wiring area 1211 of at least one of the two adjacent lamp panel units 121 having the overlapping area 900 within the overlapping area 900.
The light panel 120 of the screen assembly 100 is formed by, for example, arranging a plurality of light panel units 121 in a strip shape, and the wiring areas 1211 of the light panel units are all positioned on the same side of the light panel 120, so that a plurality of display areas 1212 in the light panel 120 are formed in a strip shape, and a plurality of wiring areas 1211 are positioned on one side of the light panel in a strip shape; the front cover plate 110 and the back plate 130 of the single screen assembly 100 may be respectively formed by splicing plates or integrally formed plates, and the front cover plate 110 and the back plate 130 of the plurality of screen assemblies 100 spliced together may be respectively formed by splicing or integrally formed. Preferably, the front cover plate 110 is provided with a plurality of openings corresponding to the plurality of lamp beads 123, and the shape of the openings is matched with the lamp beads 123, so that the lamp beads 123 directly emit light to the outside, and the lamp beads are prevented from being worn and reflected when passing through the front cover plate 110; the front cover plate 110 and the back plate 130 may be made of, but not limited to, PC (Polycarbonate), PET (Polyethylene Terephthalate), PMMA (Polymethyl Methacrylate), or other high-strength lightweight transparent materials.
In particular, the present invention provides the following embodiments that illustrate different ways of splicing the screen assembly 100 in a tiled LED transparent screen.
Example 1
As shown in fig. 4 and 5, three lamp panel units 121 arranged in a stripe shape in the vertical direction are adopted as the lamp panels 120 of the screen assembly 100 in the present embodiment, and the wiring areas 1211 thereof are located on the left side or the right side of the lamp panels 120; taking two screen assemblies 100 as a first screen subgroup, butting one sides of display areas 1212 of the two screen assemblies 100 in the group, which are away from a wiring area 1211, to form a back-to-back shape, wherein a front cover plate 110 and a back plate 130 of the two screen assemblies 100 in the group are respectively integrally formed and cover the display areas 1212 of the lamp panel units 121 and expose the wiring area 1211, and the left side and the right side of the first screen subgroup are both exposed wiring areas 1211; the wiring areas 1211 of adjacent two screen assemblies 100 of adjacent two first screen subgroups are located in different planes and the respective wiring areas 1211 are each located within the overlap region 900. Meanwhile, the width of the overlapping area 900 is not greater than the distance between the centers of two adjacent lamp beads in the width direction, the overlapping area 900 reduces the shielded area of the LED transparent screen, and the distances between two adjacent lamp beads on two adjacent lamp panel units 121 are controlled to be not greater than the maximum distance between the preset lamp beads on the lamp panel units 121, so that a coherent picture can be displayed.
Preferably, the joint of two adjacent screen assemblies 100 of two adjacent first screen subgroups is further provided with a frame column 200, the frame column 200 is arranged right behind the overlapping area 900 and overlaps the overlapping area 900, so that the shielded area of the LED transparent screen is reduced, and a wire penetrating slot is arranged in the frame column 200 for penetrating a wire, so that the lamp panel unit 121 is electrically connected with the control device.
In this embodiment, the wiring areas 1211 of the screen assemblies 100 are all disposed on the same side, so that the first screen subgroups are formed in a back-to-back butt joint manner for each two screen assemblies 100, and the wiring areas 1211 of the two adjacent screen assemblies 100 are located in different planes and the respective wiring areas 1211 are located in the overlapping area 900 on the combination of the two adjacent screen subgroups, so as to reduce the shielded area of the LED transparent screen, and further the distance between the two adjacent lamp beads 123 located on the two adjacent lamp panel units 121 is not greater than the predetermined maximum distance between the lamp beads 123 on the lamp panel units 121, so as to present a coherent picture. Meanwhile, the complexity of splicing and installing the spliced LED transparent screen is reduced.
Example two
In order to further simplify the splicing installation process of the spliced LED transparent screen and improve the construction speed, the following technical scheme is adopted in the embodiment.
In this embodiment, the structure of the lamp panel 120 and the arrangement of the frame column structure of the screen assembly 100 are similar to those of the previous embodiment, and only differences will be described in detail.
As shown in fig. 6 and 7, the wiring areas 1211 of the screen assemblies 100 are all located on the same side, two screen assemblies 100 are taken as a second screen subgroup, the wiring areas 1211 of the screen assemblies 100 in the group are located in different planes with the wiring areas 1211 of the adjacent screen assemblies 100 and are all located in the overlapping area 900, meanwhile, the width of the overlapping area 900 is not greater than the distance between the centers of two adjacent lamp beads in the width direction, and the overlapping area 900 reduces the shielded area of the LED transparent screen; the front cover plates 110 of the two screen assemblies 100 in the group are integrally formed, the front cover plates 110 cover all the light plate unit 121 areas of the two screen assemblies 100 in the group, the light plate unit 121 areas comprise a display area 1212 and a wiring area 1211, and the back plate 130 covers the display area 1212 and exposes the wiring area 1211; the frame post 200 is disposed right behind the overlapping region 900 and overlaps the overlapping region 900, so that the shielded region of the LED transparent screen is reduced.
In this embodiment, the wiring areas 1211 of the two screen assemblies 100 in the second screen subgroup are arranged in the middle of the second screen subgroup, so that the two sides of the second screen subgroup have no exposed wiring areas 1211, and when the second screen subgroup is spliced with another second screen subgroup, the two second screen subgroups are only required to be abutted and fixed, and a coherent picture can be presented, thereby greatly improving the convenience and speed of construction.
Example III
In this embodiment, the structure of the lamp panel 120 and the arrangement of the frame column structure of the screen assembly 100 are similar to those of the previous embodiment, and only differences will be described in detail.
As shown in fig. 8 and 9, the first screen sub-group and the other screen assembly 100 as described in the first embodiment are adopted, and three screen assemblies 100 are taken as a third screen sub-group, on the basis of the first screen sub-group, the other screen assembly 100 (the third screen assembly 100) is spliced with the first screen sub-group, the wiring area 1211 of the screen assembly 100 adjacent to the third screen assembly 100 of the first screen sub-group overlaps with the edge of the display area 1212 of the adjacent third screen assembly 100 facing away from the wiring area 1211, both are located in the overlapping area 900, and the wiring area 1211 of the screen assembly 100 of the first screen sub-group is located behind the edge of the display area 1212 of the third screen assembly 100 in the overlapping area 900, so that the visual effect of "the lamp beads are located in the wiring area" is seen from the viewing surface of the LED transparent screen, and the rear wiring area 1211 is actually seen through the side edge of the display area 1212, that the lamp beads in the side edge of the third screen assembly 100 overlap with the wiring area 1211 of the adjacent screen assembly 100. The front cover plates 110 of the three screen assemblies 100 of the third screen group may be integrally combined to enhance structural stability, cover the area between the two side wiring areas 1211 of the third screen group, expose the two side wiring areas 1211 of the third screen group, and the back plate 130 covers the display area 1212 and exposes the wiring areas 1211; the frame column 200 is disposed right behind the overlapping region 900 and overlaps the overlapping region 900, so that the shielded region of the LED transparent screen is reduced. Thus, the third screen groups form the exposed wiring area 1211 on both left and right sides as shown in the first screen group, so that the splicing between the two third screen groups is similar to the first embodiment, and will not be repeated here.
When in actual use, different splicing modes or combination modes can be adopted according to different conditions, different front cover plates and back plates are manufactured according to different splicing modes, and reinforcing ribs are arranged at the splicing seams so as to improve the overall strength of the transparent screen.
According to the spliced LED transparent screen provided by the invention, a plurality of abutted lamp panel units are used as the lamp panels, and the lamp panel units at the joint of two adjacent screen assemblies are mutually arranged to be in different planes and have the connection mode of overlapping areas, so that the problem that the shielded areas of the LED transparent screen are too large due to the fact that the lamp panel units are spliced is solved, and the problem that the picture is incoherent due to the fact that the spacing of part of lamp beads in the screen is relatively wide is solved. Meanwhile, a plurality of splicing modes of screen components are provided so as to adapt to different condition demands, the applicability of the spliced LED transparent screen is improved, and the installation and construction difficulty is reduced.
Although terms such as front cover plate, lamp panel unit, wiring area, and display area are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. The utility model provides a transparent screen of concatenation formula LED which characterized in that: the screen assembly comprises a front cover plate, a lamp panel and a back plate, wherein the lamp panel is arranged between the back plate and the front cover plate, the lamp panel comprises a frame column and at least one lamp panel unit, the lamp panel unit comprises a wiring area and a display area, the wiring area is positioned on one side of the lamp panel unit, the display area is provided with a wire circuit pattern and a plurality of lamp beads, the front cover plate is provided with a plurality of holes at positions corresponding to the lamp beads, and the shape of each hole is matched with the shape of each lamp bead; the light panel units of the screen assembly and the adjacent light panel units of the screen assembly are not on the same plane and are provided with overlapping areas, the frame posts are fixedly connected with the screen assembly and overlap with the overlapping areas, wire penetrating grooves are formed in the frame posts, and the wire connecting areas in the overlapping areas are electrically connected to the LED transparent screen control devices through wires in the wire penetrating grooves.
2. The tiled LED transparent screen of claim 1, wherein: the lamp beads are connected with the wire circuit patterns, the wire circuit pattern areas are connected to the wiring areas, the lamp beads are electrically connected to the control device of the LED transparent screen through the wire circuit patterns and the wiring areas, and the wiring areas of at least one of two adjacent lamp panel units with the overlapping areas are located in the overlapping areas.
3. The tiled LED transparent screen of claim 2, wherein: the lamp panel comprises a plurality of lamp panel units which are arranged in a strip shape, and the wiring areas of the lamp panel units which are arranged in a strip shape are all positioned on the same side of the lamp panel; the wiring area of the screen assembly and the adjacent display area of the screen assembly are located in the overlapping area on one side of the display area, which is away from the wiring area.
4. The tiled LED transparent screen of claim 2, wherein: the lamp panel comprises a plurality of lamp panel units which are arranged in a strip mode, the wiring areas of the lamp panel units which are arranged in a strip mode are all located on the same side of the lamp panel, and the wiring areas of the screen assembly and the adjacent wiring areas of the screen assembly are all located in the overlapped area.
5. The tiled LED transparent screen of claim 3 or 4, wherein: the front cover plate of the screen assembly is integrally combined with the front cover plate of the adjacent screen assembly, and the back plate of the screen assembly is integrally combined or spliced with the back plate of the adjacent screen assembly.
6. The tiled LED transparent screen of claim 3 or 4, wherein: the front cover plate and the back plate both cover the display area and both expose the wiring area.
7. The tiled LED transparent screen of claim 4, wherein: the front cover plate covers the lamp panel unit, and the back plate covers the display area and exposes the wiring area.
8. The tiled LED transparent screen of claim 4, wherein: the width of the overlapping area is not greater than the distance between the centers of two adjacent lamp beads in the direction of the width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209660.0A CN114973977B (en) | 2021-02-24 | 2021-02-24 | Spliced LED transparent screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110209660.0A CN114973977B (en) | 2021-02-24 | 2021-02-24 | Spliced LED transparent screen |
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| Publication Number | Publication Date |
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| CN114973977A CN114973977A (en) | 2022-08-30 |
| CN114973977B true CN114973977B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110209660.0A Active CN114973977B (en) | 2021-02-24 | 2021-02-24 | Spliced LED transparent screen |
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| CN (1) | CN114973977B (en) |
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