CN216927938U - Splicing display device - Google Patents
Splicing display device Download PDFInfo
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- CN216927938U CN216927938U CN202220026319.1U CN202220026319U CN216927938U CN 216927938 U CN216927938 U CN 216927938U CN 202220026319 U CN202220026319 U CN 202220026319U CN 216927938 U CN216927938 U CN 216927938U
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Abstract
The embodiment of the application discloses concatenation display device, including the backplate, locate at least one first base plate on the backplate, locate at least one second base plate on the backplate and locate the LED luminescence unit of one side of keeping away from the backplate of first base plate and second base plate, first base plate is equipped with connecting portion, the concatenation of second base plate and the first base plate that corresponds, the second base plate is equipped with cooperation portion, connecting portion and cooperation portion agree with in the direction of perpendicular to second base plate, thereby make zonulae occludens between first base plate and the second base plate, be favorable to reducing the piece between first base plate and the second base plate, thereby improve the shadow problem that the piece produced.
Description
Technical Field
The application relates to the field of display, in particular to a splicing display device.
Background
The light-emitting diode (LED) backlight technology with ultra-wide color gamut, high contrast and thin profile has become the key point for the future development of various manufacturers in the display industry. The method has become an industry hotspot in competitive research and layout of various manufacturers in the display industry, and various Mini LED display terminal devices are launched in disputes. At present, the Mini LED large-size lamp panel adopts a PCB (Printed Circuit Board) and a glass substrate, wherein the glass substrate has complex wiring process on glass, high cost in a short period and incapability of mass production, so that the majority of the conventional PCBs with low price are adopted at present.
The large-size application is realized, just can realize together with a plurality of lamp plates concatenation, and need leave certain concatenation gap because of the shrinkage characteristic of PCB self between lamp plate and the lamp plate, because the existence in concatenation gap, the coarse and reflectivity itself in piece both sides lamp plate edge is lower, easily leads to piece department can be more normal LED base plate in the lamp pearl clearance department look the effect dark on the side, forms the vision dark side, seriously influences subjective visual effect.
Therefore, a technical solution for solving the problem of the shadow generated by the seam of the tiled display device is needed.
Disclosure of Invention
The embodiment of the application provides a splicing display device, which can solve the problem of shadows generated by splicing seams of the splicing display device.
The embodiment of the application provides a tiled display device, includes:
a back plate;
the first substrate is arranged on the back plate and provided with a connecting part;
the second substrate is arranged on the back plate and spliced with the corresponding first substrate, the second substrate is provided with a matching part, and the connecting part and the matching part are matched in a direction vertical to the second substrate; and
and the LED light-emitting unit is arranged on one sides of the first substrate and the second substrate far away from the back plate.
Optionally, in some embodiments of the present application, the connection portion includes a connection protrusion and a first notch located on a side of the connection protrusion away from the LED light emitting unit;
the matching part comprises a matching protrusion and a second notch positioned on one side of the matching protrusion, which is close to the LED light-emitting unit;
the connecting protrusion is inserted into the second notch, and the surface of the connecting protrusion is flush with the surface of one side of the second substrate, which is close to the LED light-emitting unit;
the matching protrusion is inserted into the first notch, and the surface of the matching protrusion is flush with the surface of one side of the first substrate, which is far away from the LED light-emitting unit.
Optionally, in some embodiments of the present application, the connecting protrusion has a triangular, rectangular or trapezoidal longitudinal cross-sectional shape.
Optionally, in some embodiments of the present application, the longitudinal cross-sectional shape of the mating protrusion is triangular, rectangular or trapezoidal.
Optionally, in some embodiments of the present application, the connecting protrusion is provided with a first positioning portion, the mating protrusion is provided with a first limiting portion, and the first positioning portion is connected to the first limiting portion in a snap-fit manner.
Optionally, in some embodiments of the present application, a surface of the connecting protrusion on a side close to the mating protrusion is provided with a first reflective layer; and/or the like, and/or,
And a second reflecting layer is arranged on the surface of one side, close to the connecting bulge, of the matching bulge.
Optionally, in some embodiments of the present application, surfaces of the first substrate and the second substrate on a side close to the LED light emitting unit are provided with a third reflective layer.
Optionally, in some embodiments of the present application, the first substrate and the second substrate are provided with a second positioning portion, the back plate is provided with a second limiting portion corresponding to the second positioning portion, and the second positioning portion is connected with the second limiting portion in an inserting manner.
Optionally, in some embodiments of the present application, the LED light emitting unit includes a red LED chip, a green LED chip, and a blue LED chip.
Optionally, in some embodiments of the present application, the tiled display device further includes an adhesive layer, and the first substrate and the second substrate are fixed on the back plate through the adhesive layer.
The embodiment of the application adopts a splicing display device, including the backplate, locate at least one first base plate on the backplate, locate at least one second base plate on the backplate and locate the LED luminescence unit of one side of keeping away from the backplate of first base plate and second base plate, first base plate is equipped with connecting portion, the second base plate splices with the first base plate that corresponds, the second base plate is equipped with cooperation portion, connecting portion and cooperation portion agree with in the direction of perpendicular to second base plate, thereby make zonulae occludens between first base plate and the second base plate, be favorable to reducing the piece between first base plate and the second base plate, thereby improve the produced shadow problem of piece.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structural diagram of a first tiled display device provided in an embodiment of the present application;
FIG. 2 is an enlarged schematic view of region A in FIG. 1;
fig. 3 is a schematic cross-sectional structural diagram of a second tiled display device provided in the embodiment of the present application;
FIG. 4 is an enlarged schematic view of the area B in FIG. 3;
fig. 5 is a schematic cross-sectional structural diagram of a third tiled display device provided in the embodiment of the present application;
fig. 6 is an enlarged structural view of the region C in fig. 5.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating exemplary embodiments of the invention, are given by way of illustration and explanation only, and are not intended to limit the scope of the invention. In the present application, unless indicated to the contrary, the use of the directional terms "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, and more particularly to the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides a splicing display device. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Referring to fig. 1 and fig. 2, an embodiment of the present disclosure provides a tiled display device, including a backplane 100, at least one first substrate 210, at least one second substrate 220, and an LED light emitting unit 300, wherein the first substrate 210 is disposed on the backplane 100, the second substrate 220 is disposed on the backplane 100, and the first substrate 210 and the second substrate 220 are disposed on the same side of the backplane 100.
In the embodiment of the present application, the tiled display device includes a first substrate 210 and a second substrate 220, and certainly, according to the selection and specific requirements of the actual situation, the tiled display device may include a plurality of first substrates 210 and a plurality of second substrates 220, the plurality of first substrates 210 and the plurality of second substrates 220 are distributed in an array, and the first substrates 210 and the second substrates 220 are arranged in a staggered manner in the row direction and the column direction.
The first substrate 210 and the second substrate 220 are both provided with the LED light emitting unit 300, the LED light emitting unit 300 is disposed on one side of the first substrate 210 and the second substrate 220 away from the rear panel 100, and the LED light emitting unit 300 emits light to realize display.
Each second substrate 220 is spliced with the corresponding first substrate 210, specifically, the first substrate 210 is provided with a connecting portion 211, the second substrate 220 is provided with a matching portion 221, and the connecting portion 211 and the matching portion 221 are matched in a direction perpendicular to the second substrate 220, so that each second substrate 220 is spliced with the corresponding first substrate 210 to form a large-sized spliced display device.
The embodiment of the application adopts a splicing display device, which comprises a back plate 100, at least one first substrate 210 arranged on one side of the back plate 100, at least one second substrate 220 arranged on one side of the back plate 100 corresponding to the first substrate 210, and an LED light-emitting unit 300 arranged on one sides of the first substrate 210 and the second substrate 220 far away from the back plate 100, wherein the first substrate 210 is provided with a connecting part 211, the second substrate 220 is spliced with the corresponding first substrate 210, the second substrate 220 is provided with a matching part 221, and the connecting part 211 and the matching part 221 are matched in the direction perpendicular to the second substrate 220, so that the first substrate 210 is tightly connected with the second substrate 220, the reduction of the splicing seams between the first substrate 210 and the second substrate 220 is facilitated, and the problem of dark shadows generated by the splicing seams is solved.
Specifically, the connecting portion 211 includes a connecting protrusion 212 and a first notch 213, and the first notch 213 is located on a side of the connecting protrusion 212 away from the LED light-emitting unit 300; the fitting part 221 includes a fitting projection 222 and a second notch 223, and the second notch 223 is located on a side of the fitting projection 222 close to the LED lighting unit 300. When the connecting portion 211 is engaged with the engaging portion 221, the connecting protrusion 212 is inserted into the second notch 223, and a surface of the connecting protrusion 212 is flush with a surface of the second substrate 220 on a side close to the LED light-emitting unit 300; the fitting protrusion 222 is inserted into the first notch 213, and the surface of the fitting protrusion 222 is flush with the surface of the first substrate 210 on the side far away from the LED light-emitting unit 300, so that the first substrate 210 and the second substrate 220 are tightly connected, which is beneficial to reducing the seam between the first substrate 210 and the second substrate 220, and improving the shadow problem generated by the seam.
It is understood that, according to the selection of the actual situation and the specific requirement, the connecting portion 211 and the matching portion 221 may be modified appropriately, as long as the connecting portion 211 and the matching portion 221 are fit together in the vertical direction, and the invention is not limited thereto.
Specifically, as shown in fig. 1 and 2, the connecting protrusion 212 has a rectangular longitudinal cross-section, and the shape of the second notch 223 is matched with the shape of the connecting protrusion 212. Of course, the shape of the longitudinal section of the connecting protrusion 212 may be modified as long as the connecting protrusion 212 can be inserted into the second notch 223 according to the choice and specific requirements of the actual situation, for example, as shown in fig. 3 and 4, the shape of the longitudinal section of the connecting protrusion 212 is a triangle; as shown in fig. 5 and 6, the coupling projection 212 has a trapezoidal longitudinal sectional shape.
Specifically, as shown in fig. 1 and 2, the longitudinal cross-sectional shape of the fitting projection 222 is rectangular, and the shape of the first notch 213 is adapted to the shape of the fitting projection 222. Of course, the shape of the longitudinal section of the fitting protrusion 222 may be modified as long as the fitting protrusion 222 can be inserted into the first notch 213 according to the selection and specific requirements of the actual situation, for example, as shown in fig. 3 and 4, the shape of the longitudinal section of the fitting protrusion 222 is a triangle; as shown in fig. 5 and 6, the longitudinal sectional shape of the fitting projection 222 is trapezoidal. In this embodiment, the connecting projection 212 and the fitting projection 222 have the same longitudinal sectional shape.
Specifically, as shown in fig. 2, fig. 4 and fig. 6, the connecting protrusion 212 is provided with a first positioning portion 214, the mating protrusion 222 is provided with a first limiting portion 224, and the first positioning portion 214 is connected to the first limiting portion 224 in a clamping manner, so that the connecting protrusion 212 and the mating protrusion 222 are tightly connected, which is beneficial to reducing the seam between the first substrate 210 and the second substrate 220, and thus improving the shadow problem generated by the seam.
In the embodiment of the present application, the first positioning portion 214 can be a positioning column, the first positioning portion 224 can be a positioning groove, and the positioning column is connected to the positioning groove in a snap-fit manner; of course, the first positioning portion 214 may be a positioning groove and the first positioning portion 224 may be a positioning post according to the selection and specific requirements of the actual situation, so long as the first positioning portion 214 is connected to the first positioning portion 224 in a snap-fit manner, which is not limited herein.
Specifically, as shown in fig. 2, 4 and 6, the first reflection layer 410 is disposed on the surface of the connecting protrusion 212 close to the side of the matching protrusion 222, and the first reflection layer 410 can reflect light, which is beneficial to eliminating the shadow problem at the seam.
Specifically, as shown in fig. 2, 4 and 6, the second reflective layer 420 is disposed on the surface of the side of the mating protrusion 222 close to the connecting protrusion 212, and the second reflective layer 420 can reflect light, which is beneficial to eliminating the shadow at the seam.
In the embodiment of the present application, only one of the first reflective layer 410 and the second reflective layer 420 may be reserved, or both of them may be reserved, which is not limited herein.
Specifically, as shown in fig. 1, 3 and 5, the surfaces of the first substrate 210 and the second substrate 220 close to the LED light-emitting unit 300 are provided with a third reflective layer 430, and the third reflective layer 430 can reflect light, which is beneficial to improving the brightness of the tiled display device.
Specifically, the first reflective layer 410, the second reflective layer 420, and the third reflective layer 430 may be white oil, and of course, the materials of the first reflective layer 410, the second reflective layer 420, and the third reflective layer 430 may be modified appropriately according to the selection of the actual situation and the specific requirement, and are not limited herein.
Furthermore, the reflectivity of the first reflective layer 410, the second reflective layer 420 and the third reflective layer 430 is the same, so that the brightness of the seam is similar to the brightness of the two sides of the seam, which is beneficial to eliminating the shadow problem at the seam.
Specifically, as shown in fig. 1, fig. 3 and fig. 5, the first substrate 210 and the second substrate 220 are provided with the second positioning portion 235, the back plate 100 is provided with the second limiting portion 110 corresponding to the second positioning portion 235, and the second positioning portion 235 is inserted into the second limiting portion 110, so that the first substrate 210 and the second substrate 220 are limited, which is beneficial to improving the assembly efficiency of the tiled display device.
In the embodiment of the present application, the second positioning portion 235 can be a positioning column, the second position-limiting portion 110 can be a position-limiting groove, and the positioning column is connected to the position-limiting groove in a clamping manner; of course, the second positioning portion 235 may be a positioning groove and the second limiting portion 110 may be a positioning column according to the selection and specific requirements of the actual situation, as long as the second positioning portion 235 is connected to the second limiting portion 110 in a snap-fit manner, which is not limited herein.
Specifically, as shown in fig. 1, 3 and 5, the LED light emitting unit 300 includes a red LED chip 310, a green LED chip 320 and a blue LED chip 330, the first substrate 210 and the second substrate 220 are provided with driving circuits, the red LED chip 310, the green LED chip 320 and the blue LED chip 330 are electrically connected to the driving circuits on the first substrate 210 and the second substrate 220, and the red LED chip 310, the green LED chip 320 and the blue LED chip 330 can be powered through the first substrate 210 and the second substrate 220, so that the red LED chip 310, the green LED chip 320 and the blue LED chip 330 respectively emit red light, green light and blue light to realize a display function. In this embodiment, the red LED chip 310, the green LED chip 320, and the blue LED chip 330 may be Mini LED chips, and certainly, the red LED chip 310, the green LED chip 320, and the blue LED chip 330 may be other types of LED chips according to the selection and specific requirement of the actual situation, which is not limited herein.
Specifically, the tiled display device further comprises an adhesive layer 500, the first substrate 210 and the second substrate 220 are fixed on the back plate 100 through the adhesive layer 500, and under the structure, the first substrate 210 and the second substrate 220 can be stably fixed on the back plate 100 through the adhesive layer 500, so that looseness between the first substrate 210 and the second substrate 220 is prevented, and reliability of the tiled display device is effectively improved.
The embodiment of the present application provides a tiled display device, and the principle and the implementation of the present application are described herein by applying specific examples, and the description of the embodiment is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (10)
1. A tiled display apparatus, comprising:
a back plate;
the first substrate is arranged on the back plate and provided with a connecting part;
the second substrate is arranged on the back plate and spliced with the corresponding first substrate, the second substrate is provided with a matching part, and the connecting part and the matching part are matched in a direction vertical to the second substrate; and
And the LED light-emitting unit is arranged on one sides of the first substrate and the second substrate far away from the back plate.
2. The tiled display apparatus according to claim 1, wherein the connecting portion comprises a connecting protrusion and a first notch located at a side of the connecting protrusion away from the LED lighting unit;
the matching part comprises a matching protrusion and a second notch positioned on one side of the matching protrusion, which is close to the LED light-emitting unit;
the connecting protrusion is inserted into the second notch, and the surface of the connecting protrusion is flush with the surface of one side, close to the LED light-emitting unit, of the second substrate;
the cooperation arch inserts first breach, just the bellied surface of cooperation with keeping away from of first base plate the surface parallel and level of one side of LED luminescence unit.
3. The tiled display apparatus of claim 2 wherein the connecting protrusions have a triangular, rectangular or trapezoidal longitudinal cross-sectional shape.
4. A tiled display arrangement according to claim 2, wherein the longitudinal cross-sectional shape of the mating protrusion is triangular, rectangular or trapezoidal.
5. The tiled display apparatus according to claim 2, wherein the connecting protrusion has a first positioning portion, the engaging protrusion has a first positioning portion, and the first positioning portion is engaged with the first positioning portion.
6. A tiled display arrangement according to claim 2, wherein the surface of the connecting projection on the side close to the mating projection is provided with a first reflective layer; and/or the like, and/or,
and a second reflecting layer is arranged on the surface of one side, close to the connecting bulge, of the matching bulge.
7. The tiled display apparatus according to claim 6, wherein the surfaces of the first and second substrates on the side close to the LED light emitting unit are provided with a third reflective layer.
8. The tiled display device according to any of the claims 1 to 7, wherein the first substrate and the second substrate are provided with a second positioning portion, the back plate is provided with a second position-limiting portion corresponding to the second positioning portion, and the second positioning portion and the second position-limiting portion are inserted.
9. The tiled display apparatus according to any of claims 1 to 7, wherein the LED light emitting unit comprises a red LED chip, a green LED chip and a blue LED chip.
10. The tiled display apparatus according to any of claims 1 to 7, further comprising an adhesive layer, wherein the first substrate and the second substrate are fixed on the back plate via the adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026319.1U CN216927938U (en) | 2022-01-05 | 2022-01-05 | Splicing display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220026319.1U CN216927938U (en) | 2022-01-05 | 2022-01-05 | Splicing display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216927938U true CN216927938U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220026319.1U Active CN216927938U (en) | 2022-01-05 | 2022-01-05 | Splicing display device |
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| Country | Link |
|---|---|
| CN (1) | CN216927938U (en) |
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- 2022-01-05 CN CN202220026319.1U patent/CN216927938U/en active Active
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