WO2022223026A1 - Display panel, display unit, and display screen - Google Patents

Abstract

A display panel, a display unit, and a display screen. The display panel is suitable for being detachably fixed to bottom supports of display units. The display panel comprises: a display module; a HUB board, the display module being electrically connected to the HUB board, and the HUB board being provided with a main control board and a power source conversion module; and communication modules, the communication modules being connected to the main control board and being configured to be communicationally connected to adjacent display units. An input end of the power source conversion module is configured to be electrically connected to an external power source, and the power source conversion module is configured to convert a power supply source output by the external power source into a target power source to supply power to an electrical device of the display panel.

Description

Display panel, display unit and display screen

This application claims the priority of the Chinese patent application with an application date of April 23, 2021 and an application number of 202110446928.2, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of display devices, for example, to a display panel, a display unit and a display screen.

Background technique

The display screen is usually formed by splicing multiple display units. The display unit in the related art usually includes a display panel and a cabinet. The display panel mainly includes a plurality of light panels arranged in rows and columns, and the cabinet is integrated with HUB board, Power supply, etc., the box and the entire display unit are bulky, thick, and difficult to disassemble.

SUMMARY OF THE INVENTION

The present application provides a display panel, a display unit and a display screen, which can solve the problems in the related art that the display unit is bulky, thick, and difficult to assemble and disassemble.

An embodiment of the present application provides a display panel, which is suitable for being detachably fixed to a bottom bracket of a display unit. Wherein, the display panel includes a display module; a HUB board, the display module is electrically connected to the HUB board, and the HUB board is provided with a main control board and a power conversion module; a communication module, the communication module is connected to the HUB board The main control board is connected, and the communication module is configured to communicate with the adjacent display unit. The input end of the power conversion module is configured to be electrically connected to a peripheral power supply, and the power conversion module is configured to convert the power supply output from the peripheral power supply into a target power supply to supply power to the electrical components of the display panel.

A display unit provided by an embodiment of the present application includes a bottom bracket and the above-mentioned display panel.

An embodiment of the present application provides a display screen, which includes a plurality of the above-mentioned display units, and the bottom brackets of the adjacent display units are fixed together by connecting pieces.

Description of drawings

FIG. 1 is a schematic diagram of a 2×2 display screen provided by an embodiment of the present application.

FIG. 2 is a schematic diagram of FIG. 1 after hiding part of the structure.

FIG. 3 is another angle of FIG. 1 .

FIG. 4 is a front view of a display unit provided by an embodiment of the present application.

FIG. 5 is a rear view of a display unit provided by an embodiment of the present application.

FIG. 6 is a side view of a display unit provided by an embodiment of the present application.

FIG. 7 is a schematic diagram of an exploded structure of a display unit provided by an embodiment of the present application.

FIG. 8 is a rear view of a light panel provided by an embodiment of the present application.

FIG. 9 is a front view of the display unit provided by an embodiment of the present application after the light panel is hidden.

FIG. 10 is a schematic view of FIG. 9 after the bracket is hidden.

Fig. 11 is a schematic diagram of Fig. 10 after the HUB board is hidden.

FIG. 12 is a schematic view of FIG. 11 after the metal cover is hidden.

FIG. 13 is a schematic diagram of an exploded structure of the bottom bracket shown in FIG. 12 .

FIG. 14 is a schematic diagram of four bottom brackets provided in an embodiment of the present application when they are spliced together.

Detailed ways

In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "bottom", etc. are based on the orientation or positional relationship shown in the accompanying drawings , is only for the convenience of describing the application and simplifying the description, and therefore should not be construed as a limitation on the protection content of the application.

The present application discloses a spliced display screen, the display screen includes a plurality of display units 100, and the plurality of display units 100 are arranged in multiple rows. Please refer to FIG. 1 to FIG. 3 . FIG. 1 to FIG. 3 show the case where the display screen includes two rows, and each row includes two display units 100 , and the bottom brackets of adjacent display units 100 are connected by connecting pieces 3 fixed together.

Referring to FIGS. 4 to 13 , the display unit 100 includes a bottom bracket 1 and a display panel 2 detachably fixed to the bottom bracket 1 (as shown in FIG. 6 ). The display panel 2 includes a display module 21 and a HUB board 22 (as shown in FIG. 7 ). shown), the display module 21 is electrically connected to the HUB board 22 . The HUB board 22 is provided with a main control board 221 and a power conversion module 23 (as shown in FIG. 11 ). The main control board 221 is connected to the communication module 4 , and the communication module 4 is connected in communication with other adjacent display units 100 (as shown in FIG. 2 ). shown), so that a complete display picture can be presented by means of a plurality of display units 100 spliced together. The input end of the power conversion module 23 is set to be electrically connected to the peripheral power supply (not shown in the figure), the output end of the power conversion module 23 is electrically connected to the display panel 2, and the power conversion module 23 converts the power supply output from the peripheral power supply into the target power supply to the power supply. The electrical components of the display panel 2 (eg, the communication module 4 , the main control board 221 , the light board 212 of the display module 21 , etc.) are powered.

In one embodiment, the power conversion module 23 is a DC-DC power supply module, but the power conversion module 23 is not limited to adopting a DC-DC power supply module, and can be based on the power consumption of the connected peripheral power supply and the power consumption device of the display panel 2 . Depends on demand. In some embodiments, an AC-DC power supply module, for example, may also be used.

In one embodiment, as shown in FIG. 7 , the display module 21 includes a hollow bracket 211 and a plurality of light panels 212 electrically connected to the HUB board 22 , and the bracket 211 has a first surface and a second surface facing away from each other, A plurality of light boards 212 are arranged on the first surface, and the HUB board 22 is fixed on the second surface. The main control board 221 and the power conversion module 23 are arranged on the side of the HUB board 22 away from the light board 212 . The side of the light board 212 facing the bracket 211 is provided with a plurality of copper posts 2121 (as shown in FIG. 8 ), and the first surface of the bracket 211 is provided with a plurality of mounting holes 2111 for matching with the copper posts 2121 (as shown in FIG. 7 ). shown), copper posts 2121 are inserted through the mounting holes 2111 to fix the light board 212 and the bracket 211 .

Please continue to refer to FIG. 7 and FIG. 8 , in one embodiment, the side of the HUB board 22 facing the light board 212 is provided with a plurality of first plugs 223 (as shown in FIG. 7 ), and each light board 212 is provided with a first plug-in connector 223 (as shown in FIG. 7 ). Two plug connectors 213 (as shown in FIG. 8 ), the second plug connector 213 and the first plug connector 223 are plugged and matched to electrically connect the light board 212 and the HUB board 22 . By arranging the second plug 213 and the first plug 223 to realize the electrical connection between the light board 212 and the HUB board 22 , the structure is simple and easy to realize, and there is no problem of confusion of wiring by wire connection. At the same time, the second plug-in member 213 and the first plug-in member 223 can also play a role of fixing the lamp board 212 by plugging and matching.

In one embodiment, the display panel 2 further includes a metal cover 24 (as shown in FIG. 7 ). The metal cover 24 is disposed on the side of the HUB board 22 away from the bracket 211 , and the main control board 221 is close to the metal cover 24 . One side and the side of the power conversion module 23 (as shown in FIG. 11 ) close to the metal cover 24 are respectively attached with silicone heat sinks (that is, the aforementioned heat dissipation structure, not shown in the figure), and the silicone heat sinks are away from the main control board 221 . One side and one side of the power conversion module 23 are respectively attached to the metal cover plate 24, so that the heat generated during the operation of the main control board 221 and the power conversion module 23 can be dissipated by the silicone heat sink and the metal cover plate 24, which is convenient for the main control board 221 and the power conversion module 23. Heat dissipation of the control board 221 and the power conversion module 23 .

In one embodiment, the middle of the metal cover plate 24 is sunk to form a convex portion 241 (as shown in FIG. 7 ) that protrudes outward (in the direction of the bottom bracket 1 ). 241 is adapted to the groove 10, and the protrusion 241 is embedded in the groove 10 (as shown in FIG. 6). The display panel 2 can be more stably fixed to the bottom bracket 1 through the cooperation between the protruding portion 241 and the groove 10 . In this embodiment, four corners of the bottom bracket 1 respectively have a protruding column 111 (as shown in FIG. 7 ) protruding toward the display panel 2 . When the display panel 2 is installed on the bottom bracket 1 , the metal cover 24 The periphery of the 111 abuts against the protruding post 111 , and the protruding portion 241 is embedded in the groove 10 (as shown in FIG. 6 ). In addition, the metal cover plate 24 is provided with a plurality of first mounting holes, and the bracket 211 is provided with a plurality of second mounting holes corresponding to the first mounting holes. The metal cover plate 24 is locked with the bracket 211 .

In one embodiment, the bracket 211 is provided with a magnet 25 (as shown in FIG. 10 ), the position 243 on the metal cover 24 corresponding to the magnet 25 is provided with a space-avoiding treatment (as shown in FIG. 7 ), and the bottom bracket 1 has The magnetic material 112 (as shown in FIG. 13 ), when the display panel 2 and the bottom bracket 1 are aligned and attached, the magnet 25 and the magnetic material 112 are attracted together, so as to stably fix the display panel 2 on the bottom bracket 1 . When the display panel 2 needs to be removed, the display panel 2 can be separated from the bottom bracket 1 with a little force, and the display panel 2 can be easily and quickly assembled and disassembled.

In addition, the opposite sides of the bottom bracket 1 are respectively provided with a first positioning column 13 and a second positioning column 14 (as shown in FIG. 11 ). The sizes of the first positioning column 13 and the second positioning column 14 are different. Correspondingly, the metal The cover plate 24 is provided with through holes which are adapted to the first positioning column 13 and the second positioning column 14. When the display panel 2 and the bottom bracket 1 are aligned and installed, the first positioning column 13 and the second positioning column 14 pass through respectively. in the corresponding through holes. The disposition of the two first positioning pillars 13 and the second positioning pillars 14 with different sizes can play a foolproof role and avoid installation errors of the display panel 2 .

As shown in FIG. 10 , the display panel 2 is provided with a plurality of communication modules 4 , and each side of the display panel 2 is communicatively connected to the adjacent display unit 100 through a communication module 4 (as shown in FIG. 2 ). In one embodiment, a plurality of communication modules 4 are disposed on the peripheral side of the HUB board 22 , a side wall of the bracket 211 is provided with an accommodating groove 2112 (as shown in FIG. 7 ), and the communication modules 4 are embedded in the accommodating groove 2112. Each communication module 4 is communicatively connected to the main control board 221 through the TYPE-C wire 5 . The second surface of the bracket 211 is provided with a plurality of buckles 50 (as shown in FIG. 11 ), and the TYPE-C wires 5 are fixed on the bracket 211 through the buckles 50 . In one embodiment, the communication module 4 is a wireless communication module, which avoids many and cluttered lines caused by wired transmission, and can reduce transmission loss and interference at the same time.

As shown in FIG. 13 , in an embodiment, the bottom bracket 1 includes a plurality of supporting plates 11 in the shape of strips, and the plurality of supporting plates 11 are connected end to end to form a ring. By setting the bottom bracket 1 as a hollow ring structure, the structure is simple, the weight is light, the thickness is thin, and it is easy to be installed on or removed from the bracket. In one embodiment, the bottom bracket 1 includes four supporting plates 11 , and the four supporting plates 11 are connected end to end to form a ring. In one embodiment, the four support plates 11 are made of metal, and the support plates 11 are provided with a plurality of reinforcing ribs 113 distributed in a triangular shape (as shown in FIG. 12 ), so that the bottom support 1 has sufficient mechanical strength .

In one embodiment, the connecting piece 3 is a sheet, and the four corners of the bottom bracket 1 are respectively provided with a receiving position (not shown) for embedding the connecting piece 3, and the connecting piece 3 is arranged to connect the adjacent bottom brackets. 1. When the connector 3 is set in the receiving position, the connector 3 partially extends beyond the bottom bracket 1 and can be embedded in the bottom bracket 1 of the adjacent display unit 100 (as shown in FIG. 14 ). By arranging the accommodating position on the bottom bracket 1 to accommodate the connecting piece 3 , compared with the way of arranging the connecting piece 3 between the back of the bottom bracket 1 and the bracket (not shown) in the related art, this method is beneficial to reduce The thickness of the entire display screen after splicing is reduced, and it is also beneficial to ensure that the bottom brackets 1 are kept flush, and finally a flat display surface is obtained. In one embodiment, four corners of the bottom bracket 1 are respectively provided with a protruding post 111 (as shown in FIG. 7 ). The card is set in the accommodating position.

As shown in FIG. 14, FIG. 14 shows a schematic diagram when four bottom brackets 1 are spliced together. Taking two of the bottom brackets as an example, that is, the first bottom bracket 1a and the second bottom bracket 1b, the connector 3 has multiple There are a first screw hole 31 and a second screw hole 32, the connector 3 and the first bottom bracket 1a are fixed by passing a screw (not shown) in the first screw hole 31, and a screw is passed through the second screw hole 32. Fix the connector 3 to the second bottom bracket 1b. In addition, for the connecting piece 3 corresponding to the fixing beam of the bracket (not shown in the figure), a screw is also inserted through the screw hole (not shown in the figure) of the connecting piece 3 to fix the connecting piece 3 and the fixing beam of the bracket, so as to realize the bottom bracket 1 Stable installation with bracket.

Please refer to FIG. 10 and FIG. 13 . In one embodiment, a connection line 12 is provided on the bottom bracket 1 , the output end of the connection line 12 is connected to the power conversion module 23 , and the input end of the connection line 12 is configured to be connected to the peripheral power supply , so as to electrically connect the power conversion module 23 to the peripheral power supply.

In this embodiment, the connection line 12 is a PCB board, and the PCB board 12 has a first connection terminal 121 (ie, an output terminal) electrically connected to the power conversion module 23 and a second connection terminal 122 (ie, an output terminal) electrically connected to the peripheral power supply. 13), the output power of the peripheral power supply is transmitted to the power conversion module 23 through the PCB board 12, and then the target power is output through the power conversion module 23. By arranging the PCB board 12 on the bottom bracket 1, the electrical connection between the power conversion module 23 and the peripheral power supply is realized, so as to provide power supply for the power conversion module 23, avoiding the problem of numerous and chaotic wiring, and not easy to make mistakes.

The first connection end 121 is a PoGoPin pin. Correspondingly, the display panel 2 is also provided with conductive contacts (not shown) corresponding to the first connection ends 121 to realize electrical connection. The second connection end 122 is a connection port that allows the power connector to be inserted, and the PCB board 12 is electrically connected to the peripheral power supply by inserting the power connector on the second connection end 122 .

As shown in FIG. 13 , the base bracket 1 is provided with a plurality of first mounting holes 110 , and the PCB board 12 is provided with a plurality of second mounting holes 123 corresponding to the first mounting holes 110 . The PCB board 12 is fixed on the bottom bracket 1 by passing screws through the second mounting holes 123 .

To sum up, in the present application, a power conversion module 23 is provided on the display panel 2 , and the power conversion module 23 is electrically connected to the peripheral power supply, and then the power conversion module 23 converts the power supply output from the peripheral power supply to the display panel 2 . The target power supply required by the electrical components (such as the communication module 4, the main control board 221, the light board 212, etc.), so as to supply power to the electrical components of the display panel 2. The bottom bracket 1 does not need to be provided with a power supply module, and the bottom bracket 1 can be By making it very thin, the final display unit 100 is thinner and lighter, and is easy to assemble and disassemble. At the same time, the display panel 2 is provided with a HUB board 22, which reduces the components of the bottom bracket 1 and reduces the difficulty of splicing and fixing the bottom bracket 1 to form a display screen.

Claims (10)

A display panel, suitable for being detachably fixed with a bottom bracket of a display unit, wherein the display panel comprises: display module; HUB board, the display module is electrically connected to the HUB board, and the HUB board is provided with a main control board and a power conversion module; and a communication module, the communication module is connected to the main control board, and the communication module is configured to communicate with the adjacent display unit; the input end of the power conversion module is configured to be electrically connected to the peripheral power supply, so The power conversion module is configured to convert the power supply output from the peripheral power supply into a target power supply to supply power to the electrical components of the display panel. The display panel according to claim 1, wherein the display module comprises a hollow bracket and a plurality of light panels electrically connected to the HUB board, the bracket has a first surface and a second surface facing away from each other , the plurality of lamp boards are arranged on the first surface, and the HUB board is fixed on the second surface. The display panel according to claim 2, wherein the main control board and the power conversion module are arranged on the first side of the HUB board facing away from the light board, and the HUB board faces the first side of the light board There are a plurality of first plugs on both sides, each of the light boards is provided with a second plug, and the second plugs cooperate with the first plug to connect the light board to the first plug. The HUB board is electrically connected. The display panel according to claim 2, further comprising a metal cover plate, the metal cover plate is arranged on the side of the HUB board away from the bracket, between the main control board and the metal cover plate, And a heat dissipation structure is respectively attached between the power conversion module and the metal cover plate. The display panel of claim 4, wherein the metal cover plate has a protruding portion protruding outward, and the protruding portion is configured to be embedded on the bottom bracket. The display panel according to claim 2, wherein the display panel is provided with a plurality of the communication modules, each side of the display panel is respectively connected to the adjacent display unit through a communication module, and a plurality of the communication modules are respectively connected. The communication module is arranged on the peripheral side of the HUB board; the communication module is a wireless communication module. A display unit, comprising a bottom bracket and the display panel according to any one of claims 1 to 3 and claim 6 . The display unit according to claim 7, wherein a connection line is provided on the bottom bracket, an output end of the connection line is connected to the power conversion module, and an input end of the connection line is configured to be connected to a peripheral power supply Electrical connection is used to electrically connect the power conversion module to a peripheral power supply. The display unit according to claim 7, wherein the display panel further comprises a metal cover plate, the metal cover plate is provided on a side of the HUB board away from the display module, the metal cover plate has a direction facing the The protruding part of the bottom bracket has a groove, and the protruding part is embedded in the groove. A display screen, comprising a plurality of display units according to any one of claims 7 to 9, and the bottom brackets of adjacent display units are fixed together by connecting pieces.

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