CN112951097A

CN112951097A - Display panel, display unit and display screen

Info

Publication number: CN112951097A
Application number: CN202110446928.2A
Authority: CN
Inventors: 李仲良; 王周坤; 向伏容; 谭美金; 肖万东
Original assignee: Dongguan HCP Technology Co Ltd
Current assignee: Dongguan HCP Technology Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-06-11
Also published as: WO2022223026A1

Abstract

The invention discloses a display panel which is suitable for being detachably fixed with a bottom support of a display unit. Display panel includes display module and HUB board, and display module is connected with HUB board electricity, is equipped with main control board, power conversion module on the HUB board, and the main control board is connected to communication module, and communication module is used for being connected with other display element communications. The input end of the power supply conversion module is used for being electrically connected with an external power supply, and the power supply conversion module converts a power supply output by the external power supply into a target power supply to supply power to electrical appliances of the display panel. The collet need not to set up power supply module again, can make the collet very thin, and final display element is more frivolous, easily dismouting. In addition, the invention also discloses a display unit and a display screen.

Description

Display panel, display unit and display screen

Technical Field

The invention relates to the technical field of display equipment, in particular to a display panel, a display unit and a display screen.

Background

The display screen is formed by a plurality of display element concatenations usually, and current display element is including display panel and box usually, and display panel mainly is including a plurality of lamp plates that are ranks and arrange, and then the integration has HUB board, power supply etc. (for example chinese patent CN201922107291.5) in the box, and box and whole display element structure are heavy, thickness is thick, and the dismouting degree of difficulty is big.

Disclosure of Invention

The invention aims to provide a display panel, a display unit and a display screen, and aims to solve the problems of heavy display unit, thick display unit and high disassembly and assembly difficulty in the prior art.

In order to achieve the purpose, the invention discloses a display panel which is suitable for being detachably fixed with a bottom support of a display unit. The display panel comprises a display module and a HUB board, the display module is electrically connected with the HUB board, a main control board and a power supply conversion module are arranged on the HUB board, the main control board is connected to the communication module, and the communication module is used for being in communication connection with other display units. The input end of the power supply conversion module is used for being electrically connected with an external power supply, and the power supply conversion module converts a power supply output by the external power supply into a target power supply to supply power to electric appliances of the display panel.

Preferably, the display module includes the bracket of fretwork and with a plurality of lamp plates of HUB board electricity connection, the bracket has the first surface and the second surface that deviate from each other, and is a plurality of the lamp plate is arranged the first surface, the HUB board is fixed the second surface.

Preferably, main control board, power conversion module locate the HUB board back of the body the one side of lamp plate, the HUB face to the one side of lamp plate is equipped with a plurality of first plug connectors, each the lamp plate is equipped with the second plug connector, the cooperation of pegging graft of second plug connector and first plug connector will lamp plate and HUB board electricity are connected.

Preferably, the display panel further comprises a metal cover plate, the metal cover plate is arranged on one side, away from the bracket, of the HUB plate, and a heat dissipation structure is arranged between the main control board, the power conversion module and the metal cover plate in an attached mode.

Preferably, the metal cover plate is provided with a lug boss protruding outwards, and the lug boss is used for being embedded in the bottom support.

Preferably, the display panel is provided with a plurality of communication modules, each edge of each communication module is in communication connection with an adjacent display unit through one communication module, and the plurality of communication modules are arranged on the periphery of the HUB board; the communication module is a wireless communication module.

In order to achieve the above object, the present invention discloses a display unit comprising a chassis and a display panel as described above.

Preferably, the bottom support is provided with a connecting circuit, the output end of the connecting circuit is connected with the power supply conversion module, and the input end of the connecting circuit is used for being connected with an external power supply, so that the power supply conversion module is electrically connected with the external power supply.

Preferably, the display panel further comprises a metal cover plate, the metal cover plate is arranged on the HUB plate and faces away from one side of the display module, the metal cover plate is provided with a protruding portion facing the bottom support, the bottom support is provided with a groove, and the protruding portion is embedded in the groove.

In order to achieve the purpose, the invention discloses a display screen which comprises a plurality of display units, wherein the bottom supports of the adjacent display units are fixed together through connecting pieces.

Compared with the prior art, the display panel is provided with the power supply conversion module, the power supply conversion module is electrically connected with the external power supply, and then the power supply output by the external power supply is converted into the target power supply required by the electrical appliances (such as the communication module, the main control board, the lamp panel and the like) of the display panel through the power supply conversion module, so that the electrical appliances of the display panel are powered, the bottom support does not need to be provided with the power supply module, the bottom support can be made very thin, and finally the display unit is lighter and thinner and is easy to disassemble and assemble. Simultaneously, display panel sets up the HUB board, has reduced the component part of collet, has reduced the operation degree of difficulty of fixing the collet concatenation in order to constitute the display screen.

Drawings

Fig. 1 is a schematic view of a 2x2 display screen according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of fig. 1 after a part of the structure is hidden.

Fig. 3 is another angle of fig. 1.

Fig. 4 is a front view of a display unit according to an embodiment of the present invention.

Fig. 5 is a rear view of a display unit according to an embodiment of the present invention.

Fig. 6 is a side view of a display unit according to an embodiment of the present invention.

FIG. 7 is an exploded view of a display unit according to an embodiment of the present invention.

Fig. 8 is a rear view of the lamp panel according to the embodiment of the present invention.

Fig. 9 is a front view of the display unit according to the embodiment of the present invention after the lamp panel is hidden.

Fig. 10 is a schematic view of fig. 9 with the bracket hidden.

Fig. 11 is a schematic view of fig. 10 after hiding the HUB plate.

Fig. 12 is a schematic view of fig. 11 after the metal cover plate is hidden.

Fig. 13 is an exploded view of the shoe of fig. 12.

FIG. 14 is a schematic view of four shoes joined together according to one embodiment of the invention.

Detailed Description

The following detailed description is given with reference to the accompanying drawings for illustrating the contents, structural features, and objects and effects of the present invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", "bottom", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and thus, should not be construed as limiting the scope of the present invention.

The invention discloses a spliced display screen, which comprises a plurality of display units 100, wherein the display units 100 are arranged into a plurality of rows. Referring to fig. 1 to 3, fig. 1 to 3 show a display screen including two rows of two display units 100, and the bases of the adjacent display units 100 are fixed together by a connecting member 3.

Referring to fig. 4 to 13, in particular, the display unit 100 includes a base support 1 and a display panel 2 (as shown in fig. 6) detachably fixed to the base support 1, the display panel 2 includes a display module 21 and a HUB board 22 (as shown in fig. 7), and 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 used for being in communication connection with other display units 100 (as shown in fig. 2), so that a complete display picture can be displayed by the plurality of display units 100 which are spliced together. The input end of the power conversion module 23 is used for electrically connecting to an external power supply (not shown), the output end is connected to the display panel 2, and the power conversion module 23 converts the power supply output by the external power supply into a target power supply to supply power to electrical appliances (such as the communication module 4, the main control board 221, and the lamp panel 212 of the display module 21) of the display panel 2.

In one embodiment, the power conversion module 23 is a DC-DC power module, but the power conversion module 23 is not limited to the DC-DC power module, and is determined according to the connected peripheral power source and the power requirement of the power device of the display panel 2. In some embodiments, an AC-DC power module, for example, may be optionally used.

In an embodiment, as shown in fig. 7, the display module 21 includes a hollow bracket 211 and a plurality of lamp panels 212 electrically connected to the HUB board 22, the bracket 211 has a first surface and a second surface that deviate from each other, the plurality of lamp panels 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 disposed on a side of the HUB board 22 away from the lamp panel 212. One surface of the lamp panel 212 facing the bracket 211 is provided with a plurality of copper posts 2121 (as shown in fig. 8), the first surface of the bracket 211 is provided with a plurality of mounting holes 2111 (as shown in fig. 7) matched with the copper posts 2121, and the copper posts 2121 penetrate through the mounting holes 2111 to fix the lamp panel 212 and the bracket 211.

Referring to fig. 7 and 8, furthermore, a plurality of first connectors 223 (shown in fig. 7) are disposed on a side of the HUB board 22 facing the lamp panel 212, each lamp panel 212 is disposed with a second connector 213 (shown in fig. 8), and the second connectors 213 are inserted into the first connectors 223 to electrically connect the lamp panel 212 to the HUB board 22. Borrow and realize lamp plate 212 and HUB board 22 electricity and be connected by setting up second plug connector 213, first plug connector 223, simple structure, easily realize, and do not have the chaotic problem of wiring through wire connected mode. Meanwhile, the second connector piece 213 and the first connector piece 223 are matched in a plugging manner, so that the lamp panel 212 can be fixed.

Specifically, the display panel 2 further includes a metal cover plate 24 (as shown in fig. 7), the metal cover plate 24 is disposed on a side of the HUB board 22 away from the bracket 211, a silicone heat sink (i.e., the aforementioned heat dissipation structure, not shown) is attached to a side of the main control board 221 and the power conversion module 23 (as shown in fig. 11) close to the metal cover plate 24, and a side of the silicone heat sink away from the main control board 221 and the power conversion module 23 is attached to the metal cover plate 24, so as to guide out heat generated in the working process of the main control board 221 and the power conversion module 23 by means of the silicone heat sink and the metal cover plate 24, thereby facilitating heat dissipation of the main control board 221 and the power conversion module.

Further, the middle of the metal cover plate 24 is sunk to form a protrusion 241 (shown in fig. 7) protruding outwards (in the direction of the base 1), and accordingly, the base 1 is provided with a groove 10 matched with the protrusion 241, and the protrusion 241 is embedded in the groove 10 (shown in fig. 6). The display panel 2 can be more stably fixed to the chassis 1 by the cooperation of the protrusion 241 and the groove 10. In this embodiment, the bottom support 1 has a convex post 111 (as shown in fig. 7) protruding toward the display panel 2 at each of the four corners, when the display panel 2 is mounted on the bottom support 1, the periphery of the metal cover 24 abuts against the convex post 111, and the protrusion 241 is embedded in the groove 10 (as shown in fig. 6). In addition, a plurality of first mounting holes are formed in the metal cover plate 24, a plurality of second mounting holes corresponding to the first mounting holes are formed in the bracket 211, and the metal cover plate 24 and the bracket 211 are locked by penetrating screws through the first mounting holes and the second mounting holes.

Further, the bracket 211 is provided with a magnet 25 (as shown in fig. 10), the position 243 of the metal cover plate 24 corresponding to the magnet 25 is subjected to clearance treatment (as shown in fig. 7), the bottom support 1 is provided with a magnetic material 112 (as shown in fig. 13), when the display panel 2 is aligned and attached to the bottom support 1, the magnet 25 and the magnetic material 112 are attracted together, so that the display panel 2 is stably fixed on the bottom support 1. When the display panel 2 needs to be taken down, the display panel 2 can be separated from the bottom support 1 only by applying a little force, and the display panel 2 is easy and quick to assemble and disassemble.

In addition, two opposite sides of the bottom support 1 are respectively provided with a positioning column 13, 14 (as shown in fig. 11), the two

positioning columns

13, 14 have different sizes, correspondingly, the metal cover plate 24 is provided with a through hole matched with the two

positioning columns

13, 14, and when the display panel 2 and the bottom support 1 are installed in an aligned manner, the two

positioning columns

13, 14 are respectively arranged in the corresponding through holes in a penetrating manner. By means of the arrangement of the

positioning columns

13 and 14 with different sizes, a fool-proof effect can be achieved, and installation errors of the display panel 2 are avoided.

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 one communication module 4 (as shown in fig. 2). In one embodiment, the plurality of communication modules 4 are disposed on the peripheral side of the HUB board 22, a receiving slot 2112 (as shown in fig. 7) is formed on the side wall of the bracket 211, and the communication modules 4 are embedded in the receiving slot 2112. Each communication module 4 is connected with the main control panel 221 through TYPE-C wire 5. The second surface of the bracket 211 is provided with a plurality of snaps 50 (shown in fig. 11), by which snaps 50 the TYPE-C wire 5 is fixed to the bracket 211. Preferably, the communication module 4 is a wireless communication module 4, which avoids multiple and messy circuits caused by a wired transmission mode and can reduce transmission loss and interference.

As shown in fig. 13, in an embodiment, the bottom bracket 1 includes a plurality of supporting plates 11 in a strip shape, and the plurality of supporting plates 11 are connected end to form a ring shape. Through setting the collet 1 to the annular structure of fretwork, simple structure, light in weight, thickness is thin, easily installs on the support or by the support lift off. Specifically, the bottom support 1 comprises four supporting plates 11, and the four supporting plates 11 are connected end to form a square ring. Preferably, the four supporting plates 11 are made of metal, and the supporting plates 11 are provided with a plurality of reinforcing ribs 113 (as shown in fig. 12) distributed in a triangular shape, so that the bottom base 1 has sufficient mechanical strength.

Furthermore, the connecting members 3 are sheet-shaped, four corners of the bottom support 1 are respectively provided with a containing position (not shown) for embedding the connecting members 3, the connecting members 3 are used for connecting adjacent bottom supports 1, and when the connecting members 3 are arranged at the containing positions, the connecting members 3 partially exceed the bottom supports 1 and can be embedded into the bottom supports 1 of adjacent display units 100 (as shown in fig. 14). Set up through holding the position at collet 1 and hold connecting piece 3, compare in prior art with the mode of connecting piece 3 setting between collet 1's back and support (not shown), this mode is favorable to reducing the thickness of the whole display screen after the concatenation, and also is favorable to guaranteeing to keep the parallel and level between each collet 1, finally obtains smooth display surface. Specifically, four corners of the bottom support 1 are respectively provided with a convex column 111 (as shown in fig. 7) protruding outwards, the middle of the convex column 111 is provided with a clamping groove, the accommodating position is the clamping groove, and the connecting piece 3 is clamped in the accommodating position.

As shown in fig. 14, fig. 14 is a schematic view showing four bottom brackets 1 spliced together, and taking two of the bottom brackets (the section is marked as 1a-1b) as an example, the connecting member 3 is provided with a plurality of screw holes 31, 32, the connecting member 3 is fixed with the bottom bracket 1a by penetrating screws (not shown) through the screw holes 31, and the connecting member 3 is fixed with the bottom bracket 1b by penetrating screws through the screw holes 32. In addition, for the connecting piece 3 corresponding to the fixing beam of the bracket (not shown), a screw is further arranged in a screw hole (not shown) of the connecting piece 3 in a penetrating manner to fix the connecting piece 3 and the fixing beam of the bracket, so that the stable installation of the bottom bracket 1 and the bracket is realized.

Referring to fig. 10 and 13, in particular, the bottom support 1 is provided with a connection circuit 12, an output end of the connection circuit 12 is connected to the power conversion module 23, and an input end of the connection circuit 12 is used for being connected to an external power source, so as to electrically connect the power conversion module 23 to the external power source.

In this embodiment, the connection line 12 is a PCB, and the PCB 12 has a first connection end 121 (i.e. an output end) electrically connected to the power conversion module 23 and a second connection end 122 (i.e. an input end) electrically connected to the external power source (as shown in fig. 13), so that the output power source of the external power source is transmitted to the power conversion module 23 via the PCB 12, and the target power source is output via the power conversion module 23. The PCB 12 is arranged on the bottom support 1 to realize the electric connection of the power supply conversion module 23 and an external power supply, so that the power supply conversion module 23 is supplied with a power supply, the problems of multiple and disordered wiring are avoided, and the error is not easy to occur.

Wherein the first connection end 121 is a PoGoPin needle. Correspondingly, the display panel 2 is also provided with a conductive contact (not shown) corresponding to the first connection end 121 for electrical connection. The second connection terminal 122 is a connection port allowing insertion of a power connector, and electrically connects the PCB board 12 with an external power source by inserting the power connector at the second connection terminal 122.

As shown in fig. 13, the bottom bracket 1 is provided with a plurality of first mounting holes 110, the PCB 12 is provided with a plurality of second mounting holes 123 corresponding to the first mounting holes 110, and the first mounting holes 110 and the second mounting holes 123 are used for fixing the PCB 12 on the bottom bracket 1 by screws.

In summary, the display panel 2 is provided with the power conversion module 23, the power conversion module 23 is electrically connected to the external power, and then the power conversion module 23 converts the power supply output by the external power into the target power required by the electrical appliances (such as the communication module 4, the main control board 221, the lamp panel 212, etc.) of the display panel 2, so as to supply power to the electrical appliances of the display panel 2, the bottom support 1 does not need to be provided with a power supply module, the bottom support 1 can be made thin, and finally the display unit 100 is lighter and thinner and is easy to disassemble and assemble. Simultaneously, display panel 2 sets up HUB board 22, has reduced the component part of collet 1, has reduced the operation degree of difficulty of fixing collet 1 concatenation in order to constitute the display screen.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.

Claims

1. A display panel is suitable for being detachably fixed with a bottom support of a display unit and is characterized by comprising a display module and a HUB board, wherein the display module is electrically connected with the HUB board; the input end of the power supply conversion module is used for being electrically connected with an external power supply, and the power supply conversion module converts a power supply output by the external power supply into a target power supply to supply power to electric appliances of the display panel.

2. The display panel of claim 1, wherein the display module comprises a hollow bracket and a plurality of lamp panels electrically connected to the HUB board, the bracket has a first surface and a second surface which are deviated from each other, the lamp panels are arranged on the first surface, and the HUB board is fixed on the second surface.

3. The display panel of claim 2, wherein the main control board and the power conversion module are arranged on the HUB board, the HUB board is separated from one surface of the lamp board, the HUB board faces the one surface of the lamp board is provided with a plurality of first plug connectors, each lamp board is provided with a second plug connector, and the second plug connectors and the first plug connectors are plugged and matched to enable the lamp board to be electrically connected with the HUB board.

4. The display panel of claim 2, further comprising a metal cover plate disposed on a side of the HUB board away from the bracket, wherein a heat dissipation structure is attached between the main control board, the power conversion module and the metal cover plate.

5. The display panel of claim 4, wherein the metal cover plate has an outwardly protruding protrusion for being embedded in the bottom bracket.

6. The display panel according to claim 2, wherein the display panel is provided with a plurality of communication modules, each side of the communication module is respectively connected with the adjacent display units in a communication way through one communication module, and the plurality of communication modules are arranged on the peripheral side of the HUB board; the communication module is a wireless communication module.

7. A display unit comprising a support and a display panel, the display panel being as claimed in any one of claims 1 to 3 or 6.

8. The display unit according to claim 7, wherein the bottom support is provided with a connecting circuit, an output end of the connecting circuit is connected with the power conversion module, and an input end of the connecting circuit is used for being connected with an external power supply, so that the power conversion module is electrically connected with the external power supply.

9. The display unit of claim 7, wherein the display panel further comprises a metal cover plate disposed on a side of the HUB panel facing away from the display module, the metal cover plate having a protrusion protruding toward the base, the base having a groove, the protrusion fitting into the groove.

10. A display screen comprising a plurality of display units according to any of claims 7 to 9, the mountings of adjacent display units being secured together by a connector.