CN211124832U - Panel L ED display module and L ED box - Google Patents

Abstract

The application relates to a panelized L ED display module and a L ED box, wherein the panelized L ED display module comprises lamp beads, a lamp panel, a bottom shell and a display control panel, a lamp bead array is arranged on the lamp panel, the lamp panel is fixedly connected to the bottom shell, the bottom shell is provided with a display surface and a back surface which are oppositely arranged, the lamp panel is fixed to the display surface, a first groove is formed in one side of the display surface of the bottom shell, the display control panel is arranged in the first groove, when the lamp panel is fixed to the bottom shell, the first groove is covered with the lamp panel and is electrically connected to the display control panel, a bridge circuit is arranged in the display control panel, the lamp panels are electrically connected to the bridge circuit, a low-voltage power circuit is further arranged on the display control panel and is connected to the bridge circuit, the lamp panel is powered through the low-voltage power circuit, the panelized L ED display module comprises a panelized L.

Description

Panel L ED display module and L ED box

Technical Field

The application relates to L ED display screen field, especially relates to a panelized L ED display module assembly and L ED box.

Background

The L ED display screen of market now generally comprises frame set spare, power pack control module and module triplex, has structures such as high voltage power supply and control card in the power pack control module, only has the lamp plate above the module, and the composition mode is all fairly simple because all will be provided with the power of high voltage in every L ED display screen box, so the box design is thicker.

SUMMERY OF THE UTILITY MODEL

Therefore, a panel L ED display module and a L ED box are provided for solving the problems that a high-voltage power supply needs to be arranged in each L ED display screen box and the box is thick.

The first aspect of the application provides a panelized L ED display module, which comprises a lamp bead, a lamp panel, a bottom shell and a display control panel, wherein,

the lamp bead array is arranged on the lamp panel, and the lamp panel is fixedly connected to the bottom shell;

the bottom shell is provided with a display surface and a back surface which are oppositely arranged, the lamp panel is fixed on the display surface, a first groove is formed in one side of the display surface of the bottom shell, the display control panel is arranged in the first groove, and when the lamp panel is fixed on the bottom shell, the lamp panel covers the first groove and is electrically connected to the display control panel;

a bridge circuit is arranged in the display control panel, and the lamp panels are electrically connected with the bridge circuit;

still be provided with low voltage power supply circuit on the display control panel, low voltage power supply circuit connect in bridge circuit, in order to pass through low voltage power supply circuit does the lamp plate power supply.

In one embodiment, the low voltage power circuit includes a power contact pin, a power hole is formed in the bottom case corresponding to the power contact pin, and the low voltage power circuit receives a power signal through the power contact pin.

In one embodiment, the lighting system further comprises a control card, wherein the control card is electrically connected to the bridge circuit, and the plurality of lamp panels are in signal connection with the control card through the bridge circuit.

In one embodiment, the lighting system further comprises a communication interface, the control card is connected to the communication interface, and the communication interface acquires data or signals, distributes the data or signals through the control card, and then transmits the data or signals to the lamp panel.

In one embodiment, the communication interface is a wireless communication component, and the display control board is connected to the wireless communication component through a network cable.

In one embodiment, the two wireless communication assemblies communicate within a preset distance, and the preset distance is smaller than any one of the length and the width of the lamp panel.

In one embodiment, a plurality of protruding columns are disposed on an end surface of the lamp panel close to the bottom casing, a plurality of first fixing columns are disposed on the bottom casing, the first fixing columns are disposed corresponding to the protruding columns, receiving holes are disposed in the first fixing columns, and the protruding columns are at least partially received in the receiving holes.

Above-mentioned panel ization L ED display module assembly, through set up display control panel in the module, and set up bridge circuit in display control panel, carry out the electricity with a plurality of lamp plates on the module and connect, it supplies power for a plurality of lamp plates to set up low voltage power supply circuit again, every panel ization L ED display module assembly realizes the low pressure power supply for each display module assembly through respective low voltage power supply circuit, when panel ization L ED display module assembly when the box, the mode that traditional high voltage power supply through the box was carried out unified to the low voltage power supply of distributing type replaces, thereby can cancel the design of power pack, thereby the thickness of box can greatly reduced.

The utility model provides an L ED box is provided in the second aspect of this application, including display module assembly and frame, display module assembly is above-mentioned arbitrary the L ED display module assembly that faceplates, be provided with the mounting groove on the frame, display module assembly is fixed in on the frame to the lid fits the mounting groove, display module assembly at least part accept in the mounting groove.

In one embodiment, the display module further comprises a power input unit and a power output unit, wherein the power input unit is electrically connected to the power output unit, an external power signal is input into the box body from the power input unit and flows out of the box body from the power output unit, and a display control panel of the display module is electrically connected to the power input unit or the power output unit.

In one embodiment, the display module further comprises a power adapter plate, wherein the power adapter plate is electrically connected to the power input unit or the power output unit, and the display module is electrically connected to the power adapter plate.

According to the L ED box, the low-voltage power supply is arranged on the display module, and the low-voltage power supply is arranged on each display module to supply power, so that the high-voltage power supply does not need to be arranged on the frame to supply power for the whole box, the thickness of the frame can be reduced, the thickness of the display module is slightly increased due to the arrangement of the display control panel, the increased thickness of the display module can be accommodated in the mounting groove of the frame, and the thickness of the box is not changed as a whole.

Further, when supplying power for the display module through the power adapter plate, the part of the display module protruding into the mounting groove is favorable for the power adapter plate to be electrically connected with the display control panel.

Drawings

Fig. 1 is an exploded view of a panel L ED display module according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a backside of a panelized L ED display module according to an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view taken along line A-A in FIG. 2;

FIG. 4 is a partial enlarged view of portion B of FIG. 3;

fig. 5 is a schematic structural diagram of a bottom chassis of a panelized L ED display module according to an embodiment of the present application;

FIG. 6 is a schematic view of a display panel of a panelized L ED display module of the present application mounted on a chassis;

FIG. 7 is a schematic view of a frame structure of a control card of a panelized L ED display module according to an embodiment of the present application;

FIG. 8 is a schematic diagram illustrating a cascade connection of a panelized L ED display module according to an embodiment of the present disclosure;

FIG. 9 is a schematic structural diagram of an L ED case according to an embodiment of the present application;

fig. 10 is a partially enlarged view of a portion C in fig. 9.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The panelized L ED display module and L ED box of each embodiment of this application supply power through adopting low voltage power supply circuit in panelized L ED display module, can realize the frivolous design of box.

The panelized L ED display module and L ED case of the present application are described in detail below with reference to the accompanying drawings.

Referring to fig. 1 and fig. 6, a schematic structural diagram of a panelized L ED display module 10 according to an embodiment of the present application is exemplarily shown, where the panelized L ED display module 10 includes a lamp bead (not shown), a lamp panel 110, a bottom shell 120, and a display control board 130, the lamp bead array is disposed on the lamp panel 110, the lamp panel 110 is fixedly connected to the bottom shell 120, and the display control board 130 is disposed on the bottom shell 120.

For example, in a specific embodiment, the lamp beads adopt Mini L ED lamp beads packaged in a four-in-one mode.

Referring to fig. 1 and 4, the lamp bead array is disposed on an end surface of the lamp panel 110 away from the bottom case 120, the end surface of the lamp panel 110 close to the bottom case 120 may be provided with a plurality of protruding posts 111, and the protruding posts 111 are provided with concave holes 111a, so that the lamp panel 110 may be fixed on the bottom case 120 through cooperation of fasteners and the concave holes 111a on the protruding posts 111. For example, the protruding column 111 may be a copper column welded on the lamp panel 110, the concave hole 111a is a threaded hole, and the fastening member may be a screw, so that the screw penetrates through the bottom case 120 and enters the threaded hole, and the lamp panel 110 may be fixed on the bottom case 120.

The lamp panel 110 is provided with a plurality of, and a plurality of lamp panels 110 are fixed on the bottom shell 120. For example, in the embodiment shown in fig. 1, four lamp panels 110 are provided.

Referring to fig. 2 to 6, the bottom case 120 has a display surface 121 and a back surface 122 opposite to each other, the lamp panel 110 is fixed to the display surface 121, the bottom case 120 is provided with a first recess 120a on one side of the display surface 121, the display control board 130 is disposed in the first recess 120a, and when the lamp panel 110 is fixed to the bottom case 120, the lamp panel covers the first recess 120a and is electrically connected to the display control board 130.

For example, the bottom case 120 is provided with a plurality of first fixing columns 123, the first fixing columns 123 are disposed corresponding to the protruding columns 111, accommodating holes 1231 are disposed in the first fixing columns 123, and at least a portion of the protruding columns 111 are accommodated in the accommodating holes 1231; the bottom of the accommodating hole 1231 is provided with a through hole 1233, the through hole 1233 penetrates through the bottom case 120 in the thickness direction, and thus, the fastener can penetrate through the through hole 1233 into the accommodating hole 1231 and be fixedly connected with the protruding pillar 111, so that the lamp panel 110 is fixed to the bottom case 120. The end surface of the first fixing post 123 close to one end of the lamp panel 110 and the display surface 121 of the bottom case 120 are located on the same horizontal plane, so that the lamp panel 110 can have good flatness when being placed on the convex column 111. The lamp panel 110 is fixed by the first fixing posts 123, on one hand, the lamp panel 110 is positioned by the accommodating holes 1231 of the first fixing posts 123, and the accommodating holes 1231 of the first fixing posts 123 enable the lamp panel 110 and the bottom shell 120 to be in a preset posture after being fixed, so that the flatness difference and the seam size difference of different lamp panels 110 can be balanced; on the other hand, provide the guide to the fixed of lamp plate 110, restrict the lateral shifting of lamp plate 110 simultaneously.

In one or more embodiments, the through hole 1233 is a stepped hole, and includes a first hole segment 123a and a second hole segment 123b, wherein the first hole segment 123a is connected to the second hole segment 123b, and the second hole segment 123b is connected to the receiving hole 1231; the depth of the first hole section 123a of different through holes 1233 may be different, so that the first fixing posts 123 can be adapted to the bottom chassis 120 with different shapes.

Referring to fig. 3, 5 and 6, in one or more embodiments, a second groove 120b is further disposed at the bottom of the first groove 120a, the display control board 130 is accommodated in the second groove 120b, at least a portion of the first fixing posts 123 is disposed in the second groove 120b, a through hole 130a is disposed on the display control board 130, and the first fixing posts 123 pass through the through hole 130 a. Thereby, the display control panel 130 is fixed in the lateral direction. The bottom of the first groove 120a and the bottom of the second groove 120b may transition through a smooth curved surface.

Owing to be provided with second recess 120b and be used for placing display control panel 130 for drain pan 120 is protruding to one side of keeping away from lamp plate 110, and the degree of depth difference of the first hole section 123a of perforation 1233 can adapt to the situation that one side roughness differs that deviates from lamp plate 110 of drain pan 120, and makes lamp plate 110 have good roughness after fixed.

Referring to fig. 1, 5 and 6, a limiting groove 120c may be further disposed at a junction of the first groove 120a and the second groove 120b, and the display control board 130 is at least partially embedded into the limiting groove 120c, so that when the display control board 130 moves along the axial direction of the first fixing post 123 and both sides are embedded into the limiting groove 120c, the display control board 130 is installed in place. Display control panel 130 passes through the terminal connector with lamp plate 110 and realizes fixing, from this, through the lateral displacement of first fixed column 123 and spacing groove 120c restriction display control panel 130, simultaneously through the fixed vertical displacement of restriction display control panel 130 of being connected of spacing groove 120c and terminal connector, can make the stable installation on drain pan 120 of display control panel 130 to realize stable electricity with lamp plate 110 and be connected.

Of course, referring to fig. 5, a second fixing pillar 124 may be further disposed in the second recess 120b on the bottom case 120, so as to fix the display control panel 130 through the second fixing pillar 124.

Referring to fig. 1 and 6, a first connector 131 is disposed on the display control panel 130, a second connector is disposed on the lamp panel 110, each lamp panel 110 is correspondingly provided with a first connector 131, and the first connector 131 and the second connector are inserted into each other to realize electrical connection and signal connection. For example, the first connector 131 is a male connector, the second connector is a female connector, and the male connector is inserted into the female connector, so that the display control board 130 and the lamp panel 110 are fixed, and electrical connection and signal connection are simultaneously achieved.

For example, the plurality of lamp panels 110 are electrically connected with the bridge circuit through the second connector and the first connector 131, so that the plurality of lamp panels 110 are electrically connected, and therefore, the display control panel 130 has the function of a HUB board in a power box of a conventional L ED display screen, and the plurality of lamp panels 110 are cascaded together through the display control panel 130 to acquire data and/or signals together.

The display control panel 130 can be further provided with a low-voltage power supply circuit, the low-voltage power supply circuit is connected to the bridge circuit, and the lamp panel 110 is powered through the low-voltage power supply circuit, the lamp panel 110 is directly powered through the low-voltage power supply circuit integrated on the display control panel 130, therefore, when the panel L ED display module 10 is assembled on the framework to form the unit box body, each display module is powered through the low-voltage power supply on the display control panel 130, the power supply box is not required to be configured for the unit box body, the power supply box is not required to be configured, therefore, the heat dissipation capacity of the unit box body can be greatly reduced, meanwhile, the EMC problem caused by the configuration of a switch power supply of a traditional power supply box is avoided, the EMC design of the unit box body is facilitated.

Referring to fig. 2, 5 and 6, the low voltage power circuit includes a power contact pin 133, a power hole 125 is formed in the bottom case 120 corresponding to the power contact pin 133, and the low voltage power circuit receives a power signal through the power contact pin 133. For example, a power pin on the frame passes through the power hole 125 and abuts the power contact pin 133, thereby inputting a low voltage power signal into the module.

Referring to fig. 1 and 6, the panelized L ED display module 10 may further include a control card 140, the control card 140 is electrically connected to the bridge circuit, the plurality of lamp panels 110 are in signal connection with the control card 140 through the bridge circuit, and the control card 140 controls the display of the lamp beads on the plurality of lamp panels 110 electrically connected to the display control panel 130.

The panel L ED display module 10 further includes a communication interface, the control card 140 is connected to the communication interface, and the communication interface acquires data or signals, and transmits the data or signals to the lamp panel 110 after being distributed by the control card 140.

In some embodiments, the communication interface may be a network interface disposed on the display control board 130, so as to implement the cascade connection between the display modules through the network interface.

Referring to fig. 5 and 6, in other embodiments, the communication interface is a wireless communication module 150, and the display control board 130 is connected to the wireless communication module 150 through a network cable, so as to establish a data transmission channel between the control card 140 and the wireless communication module 150.

For example, in the embodiment shown in fig. 6, the second groove 120b is formed with an extension groove 120d extending toward the edge of the bottom case 120, a communication hole 127 is formed on a sidewall of the bottom case 120 corresponding to the extension groove 120d, the extension groove 120d communicates with the outside through the communication hole 127, the wireless communication module 150 is disposed in the extension groove 120d, is disposed corresponding to the communication hole 127, and seals the communication hole 127. For example, the communication holes 127 are provided on two opposite sidewalls of the bottom case 120, and the two wireless communication modules 150 are oppositely provided. By providing the communication hole 127, the two wireless communication units 150 can transmit a straight distance in a face-to-face manner, which is advantageous for establishing a stable short-distance data transmission channel.

For example, in a specific embodiment, the two wireless communication modules 150 can only establish a stable data transmission channel within a range of 0cm to 15cm, so that after the panelized L ED display modules 10 are spliced to form a display screen, the adjacent panelized L ED display modules 10 are cascaded with each other, thereby preventing the adjacent panelized L ED display modules 10 from forming interference, and simultaneously, the short-distance communication can greatly reduce electromagnetic interference, which is beneficial to EMC design.

Referring to fig. 7, control card 140 may include video processor 141 and memory 143, where video processor 141 is configured to process and distribute data, memory 143 may store unique identification information of panelized L ED display module 10, and wireless communication component 150 may transmit unique identification information of itself together when data is transmitted.

Referring to fig. 8, after a plurality of panelized L ED display modules 10 are fixed to a frame and spliced, initialization is performed first, and an initial cascade operation is performed, two adjacent panelized L ED display modules 10 communicate through a wireless communication module 150, obtain a unique identifier of a module capable of communicating with a panelized L ED display module 10, and send the unique identifier to a previous cascaded display module through wireless communication, and a panelized L ED display module 10 at the head end of the cascade sends information of a panelized L ED display module 10 in the same cascade line as the panelized L ED display module 10 to a control system, for example, in the illustrated embodiment, a panelized 5639 ED display module 10 is cascaded in a plurality of parallel straight lines.

It can be seen that, when the display control panel 130 is provided with the control card 140 and the display module is provided with the communication interface, signal cascade can be realized between different panel L ED display modules 10, so as to realize module-level display control, which is beneficial to improving the fineness of display control and simultaneously beneficial to the correction after the box body is spliced and in the display process.

Above-mentioned panel ization L ED display module assembly 10, through set up display control panel 130 in the module, and set up bridge circuit in display control panel 130, a plurality of lamp plates 110 on with the module carry out the electricity and connect, it supplies power for a plurality of lamp plates 110 to set up low voltage power supply circuit again, every panel ization L ED display module assembly 10 realizes the low pressure power supply for each display module assembly through respective low voltage power supply circuit, when panel ization L ED display module assembly 10 assembles on the box, the mode that traditional high voltage power supply through the box was carried out unified to the low voltage power supply of distributing type replaces, thereby can cancel power pack's design, thereby the thickness of box can greatly reduced.

Referring to fig. 9 and 10, an embodiment of the present application further provides an L ED case 20, and the L ED case 20 may include a display module 210 and a frame 220, where the display module 210 is the panelized L ED display module 10 according to any of the above embodiments, the frame 220 is provided with a mounting groove, the display module 210 is fixed on the frame 220 and covers the mounting groove, and at least a portion of the display module 210 is accommodated in the mounting groove.

L ED case 20 may further include a power input unit 230 and a power output unit 240, the power input unit 230 is electrically connected to the power output unit 240, an external power signal is input into the case from the power input unit 230 and flows out of the case from the power output unit 240, and a display control board of the display module 210 is electrically connected to the power input unit 230 or the power output unit 240, so that the display module 210 can obtain the power signal.

For example, in the embodiment shown in fig. 9, the power input unit 230 and the power output unit 240 are respectively disposed on two opposite sidewalls of the frame 220, through holes 220a are disposed on the two sidewalls corresponding to the power input unit 230 or the power output unit 240, and the power input unit 230 and the power output unit 240 are communicated with the outside through the through holes 220a, so that the power input unit 230 and the power output unit 240 can be electrically connected when the power connection between the housings is performed.

In one or more embodiments, the power input unit 230 and the power output unit 240 of different L ED boxes 20 can be plugged into each other to electrically connect two different L ED boxes 20. for example, one of the power input unit 230 and the power output unit 240 is fixed relative to the frame 220, and the other is slidably connected to the frame 220, and can slide along a predetermined track in the mounting slot to slide out of the through hole 220a to be plugged into and electrically connected with the other of the power input unit 230 and the power output unit 240. for example, in the illustrated embodiment, the power input unit 230 is slidably connected to the frame 220.

Referring to fig. 10, in one or more embodiments, a power adapter plate 250 may be further included, the power adapter plate 250 is electrically connected to the power input unit 230 or the power output unit 240, and the display module 210 is electrically connected to the power adapter plate 250. For example, the power adapter board 250 may be provided with power pins 251, and the power pins 251 pass through power holes on the display module 210 and contact power contact pins on the display control board, so as to establish an electrical connection between the power adapter board 250 and a low-voltage power circuit of the display control board, and the low-voltage power circuit obtains a power signal from the power adapter board 250.

The power adapter plate 250 can be provided with a plurality ofly to correspond a plurality of display module assembly 210, thereby, L ED box 20 only need provide a power input unit 230 and a power output unit 240, can supply power for a plurality of display module assembly 210 through a plurality of power adapter plates 250, can satisfy the power supply demand of a plurality of display module assembly 210 on the L ED box 20.

In the L ED case 20, since the display modules 210 are configured with the low voltage power supply, and each display module 210 is configured with one low voltage power supply for supplying power, the frame 220 does not need to be configured with a high voltage power supply for supplying power to the whole case, and the thickness of the frame 220 can be reduced, the thickness of the display module 210 is slightly increased due to the configuration of the display control board, and the increased thickness of the display module 210 can be accommodated in the mounting groove of the frame 220, so that the thickness of the case is not changed as a whole.

Further, when the power adapter plate 250 supplies power to the display module 210, the portion of the display module 210 protruding into the mounting groove is beneficial to establishing electrical connection between the power adapter plate 250 and the display control panel.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A panelized L ED display module is characterized by comprising a lamp bead, a lamp panel, a bottom shell and a display control panel, wherein,

the lamp bead array is arranged on the lamp panel, and the lamp panel is fixedly connected to the bottom shell;

the bottom shell is provided with a display surface and a back surface which are oppositely arranged, the lamp panel is fixed on the display surface, a first groove is formed in one side of the display surface of the bottom shell, the display control panel is arranged in the first groove, and when the lamp panel is fixed on the bottom shell, the lamp panel covers the first groove and is electrically connected to the display control panel;

a bridge circuit is arranged in the display control panel, and the lamp panels are electrically connected with the bridge circuit;

still be provided with low voltage power supply circuit on the display control panel, low voltage power supply circuit connect in bridge circuit, in order to pass through low voltage power supply circuit does the lamp plate power supply.

2. The panelized L ED display module of claim 1, wherein the low voltage power circuit comprises power pins, a power hole is disposed on the bottom chassis corresponding to the power pins, and the low voltage power circuit receives a power signal through the power pins.

3. The panelized L ED display module of claim 1, further comprising a control card electrically connected to the bridge circuit, the plurality of light panels being in signal connection with the control card through the bridge circuit.

4. The panelized L ED display module of claim 3, further comprising a communication interface, wherein the control card is connected to the communication interface, and the communication interface acquires data or signals, distributes the data or signals through the control card, and transmits the data or signals to the lamp panel.

5. The panelized L ED display module of claim 4, wherein the communication interface is a wireless communication component to which the display control board is connected via a network cable.

6. The panelized L ED display module of claim 5, wherein the two wireless communication components communicate within a predetermined distance that is less than any one of a length and a width of the light panel.

7. The panelized L ED display module of claim 1, wherein the lamp panel has a plurality of protruding posts disposed on an end surface thereof near the bottom case, the bottom case has a plurality of first fixing posts disposed thereon, the first fixing posts are disposed corresponding to the protruding posts, receiving holes are disposed in the first fixing posts, and the protruding posts are at least partially received in the receiving holes.

8. A L ED box, comprising a display module and a frame, wherein the display module is the panelized L ED display module of any one of claims 1-7, the frame is provided with a mounting groove, the display module is fixed on the frame and covers the mounting groove, and the display module is at least partially accommodated in the mounting groove.

9. The L ED box of claim 8, further comprising a power input unit and a power output unit, the power input unit being electrically connected to the power output unit, external power signals being input into the box from the power input unit and flowing out of the box from the power output unit, the display control board of the display module being electrically connected to the power input unit or the power output unit.

10. The L ED box of claim 9, further comprising a power adapter board electrically connected to the power input unit or the power output unit, the display module being electrically connected to the power adapter board.

Images