CN221227808U - LED display screen and LED lamp panel - Google Patents

Abstract

The utility model discloses an LED display screen and an LED lamp panel, wherein the LED lamp panel comprises a box frame and an LED module arranged on the box frame, the LED module comprises an LED lamp panel integrated with an LED lamp, a connector is arranged on the LED lamp panel, a driving plate is arranged in the box frame, and the driving plate is electrically connected with the LED lamp panel through the connector; the LED lamp panel is provided with a plurality of stacked conductive layers, each conductive layer is connected with the reference ground of the LED display screen, the LED lamp is arranged on the topmost circuit of the conductive layers, and the bottommost circuit of the conductive layers is electrically connected with the box body frame through copper sheets.

Description

LED display screen and LED lamp panel

Technical Field

The utility model relates to the technical field of LED display screens, in particular to an LED display screen and an LED lamp panel.

Background

Based on the rapid development of the LED display screen industry, more and more new types of products are going to the market, and more merchants tend to use the display screens to display information. The installation positions of the display screens required by different merchants are different, such as a wall surface, a roof and the like.

However, the LED lamp panel on the existing LED display screen still has some defects in practical use, for example, the LED lamp panel is easy to carry static electricity, so that the LED lamp panel adsorbs dust and other foreign matters, meanwhile, weak current always exists in the working environment of the LED lamp panel, and when the current contacts with dust and other foreign matters for a time, fire disasters or component damage risks and the like are easy to occur.

Disclosure of utility model

The utility model provides an LED display screen and an LED lamp panel, which can be connected with the reference ground of the LED display screen through a plurality of stacked conductive layers so as to perform static elimination treatment on the LED display screen when the LED display screen works and reduce the influence of static on the display screen; meanwhile, heat can be transferred to the box body frame for heat dissipation, so that the cooling effect of the box body frame is greatly improved.

According to a first aspect of the utility model, the utility model provides an LED display screen, which comprises a box frame and an LED module arranged on the box frame, wherein the LED module comprises an LED lamp panel integrated with an LED lamp, a connector is arranged on the LED lamp panel, a driving plate is arranged in the box frame, and the driving plate is electrically connected with the LED lamp panel through the connector;

The LED lamp panel is provided with a plurality of stacked conductive layers, each conductive layer is connected with the reference ground of the LED display screen, the LED lamp is arranged on the topmost circuit of the conductive layers, and the bottommost circuit of the conductive layers is electrically connected with the box body frame through copper sheets.

In an embodiment of the LED display screen of the present utility model, the conductive layer includes a topmost circuit, a middle circuit and a bottommost circuit, the topmost circuit is electrically connected with the middle circuit, the middle circuit is electrically connected with the bottommost circuit, and the topmost circuit, the middle circuit and the bottommost circuit are all connected with a reference ground.

In an embodiment of the LED display screen of the present utility model, the intermediate layer circuit includes a first intermediate layer circuit and a second intermediate layer circuit electrically connected to each other, the first intermediate layer circuit is electrically connected to the topmost layer circuit, and the second intermediate layer circuit is electrically connected to the bottommost layer circuit.

In the LED display screen according to an embodiment of the present utility model, the copper sheet is laid on the outer peripheral side of the bottommost layer circuit, and the periphery of the LED lamp panel is provided with a copper pillar pad, and the copper pillar pad is electrically connected with the copper sheet.

In the LED display screen of an embodiment of the present utility model, the LED lamp panel further includes an electrostatic protection circuit, and the electrostatic protection circuit is disposed between the copper pillar pad and the copper sheet.

In an embodiment of the LED display screen, the electrostatic protection circuit includes a resistor and a capacitor, and the resistor is parallel to the capacitor.

In the LED display screen according to an embodiment of the present utility model, one end of the resistor is connected to the reference ground of the bottommost line, and the other end of the resistor is connected to the copper sheet; and/or the number of the groups of groups,

One end of the capacitor is connected with the reference ground of the bottommost line, and the other end of the capacitor is connected with the copper sheet.

In the LED display screen of an embodiment of the present utility model, the LED module further includes a copper pillar and a first magnetic attraction member, where the copper pillar is welded on the copper pillar pad, and the first magnetic attraction member is fixedly connected with the copper pillar and is used to attract the second magnetic attraction member disposed on the box frame, so as to fix the LED lamp panel on the box frame.

In the LED display screen according to an embodiment of the present utility model, a contact point is disposed on a side of the box frame facing the LED light panel, and the copper sheet is in contact with and electrically connected to the contact point.

According to a second aspect of the present utility model, there is further provided an LED lamp panel for use in an LED display screen, where the LED display screen includes a box frame and an LED lamp panel disposed on the box frame, where the LED lamp panel has a plurality of stacked conductive layers, each of the conductive layers is connected to a reference ground of the LED display screen, the LED lamp is disposed on a topmost circuit of the conductive layers, and a bottommost circuit of the conductive layers is electrically connected to the box frame through a copper sheet.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs an LED display screen and an LED lamp panel, wherein the LED lamp panel is provided with a plurality of stacked conductive layers, and each conductive layer is connected with the reference ground of the LED display screen, so that the LED display screen is subjected to static electricity removal treatment when the LED display screen works, and the influence of static electricity on the display screen is reduced; meanwhile, heat can be transferred to the box body frame for heat dissipation, so that the cooling effect of the box body frame is greatly improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an LED display screen according to an embodiment of the present application;

FIG. 2 is a schematic view of the LED display screen of FIG. 1 at another angle;

FIG. 3 is an exploded view of the connector assembly of FIG. 1;

FIG. 4 is a schematic diagram of the LED module in FIG. 1;

FIG. 5 is a schematic diagram of the LED lamp panel in FIG. 1;

FIG. 6 is a schematic diagram of a conductive layer on the LED lamp panel of FIG. 1;

fig. 7 is an exploded view of the connection lock of fig. 1.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is also to be understood that the terminology used in the description of the present utility model is for the purpose of describing the particular embodiments only, and it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. refer to the orientation or positional relationship as indicated on the basis of the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 to 7, according to a first aspect of the present application, there is provided an LED display screen, the LED display screen including a case frame 200 and an LED module 100 disposed on the case frame 200, the LED module 100 including an LED lamp panel 101 integrated with an LED lamp 1015. Wherein, be equipped with the connector on the LED lamp plate 101, be provided with the drive plate in the box frame 100, the drive plate passes through connector and LED lamp plate 101 electric connection to LED module 200 can carry out video broadcast or picture display.

In this embodiment, the LED lamp panel 101 has a plurality of stacked conductive layers, and each conductive layer is connected to the reference ground of the LED display screen, so as to perform static electricity removal treatment on the LED display screen when the LED display screen works, and reduce the influence of static electricity on the display screen. The LED lamp 101 is disposed on the topmost circuit 101a of the conductive layer, and the bottommost circuit 101d of the conductive layer is electrically connected with the box frame 200 through the copper sheet 1011, so that static electricity can be better guided; and the heat on the LED lamp panel 101 can be transferred to the box frame 200 for heat dissipation, so that the cooling effect of the box frame is greatly improved.

In an alternative embodiment, the conductive layer is made of a conductive material, so that the static electricity can be better guided.

In an alternative embodiment, the conductive layer includes a topmost circuit 101a, a middle circuit and a bottommost circuit 101d, where the topmost circuit 101a is electrically connected with the middle circuit, the middle circuit is electrically connected with the bottommost circuit 101d, and the topmost circuit 101a, the middle circuit and the bottommost circuit 101d are all connected with the reference ground, so that the static electricity discharge of the lamp panel 101 is enhanced, the static electricity generated by the LED lamp panel 101 can be LED out to the reference ground, excessive static electricity is prevented from being generated, and the influence of the static electricity on the LED display screen is reduced. Meanwhile, the three-dimensional space of the LED lamp panel 101 is effectively utilized; in particular, when the area of the LED board 101 is small and there is a large space in the height direction, the topmost layer line 101a, the middle layer line and the bottommost layer line 101d are stacked in the height direction of the LED board 101 to release the restriction of the area of the LED board 101.

In an alternative embodiment, the intermediate layer circuit includes a first intermediate layer circuit 101b and a second intermediate layer circuit 101c that are electrically connected to each other, where the first intermediate layer circuit 101b is electrically connected to the topmost layer circuit 101a, and the second intermediate layer circuit 101c is electrically connected to the bottommost layer circuit 101d, which is favorable to rapid diversion of static electricity on the LED lamp panel 101, and effectively avoids failure of the LED lamp panel 101 or burning out of electronic components on the LED lamp panel 101 due to accumulation of static electricity on the LED lamp panel 101, and has the effects of improving antistatic performance of the LED lamp panel 101 and prolonging service life of the LED lamp panel 101.

It should be noted that the interlayer lines may further include a third interlayer line, a fourth interlayer line, an n-1 th interlayer line, and an n-th interlayer line, where n is any integer greater than 3, and the present application is not limited thereto.

In an alternative embodiment, copper sheet 1011 is laid on the outer peripheral side of the bottommost circuit 101d, and the periphery of LED lamp panel 101 is provided with copper pillar pad 1012, and copper pillar pad 1012 is electrically connected with copper sheet 1011, which is favorable for rapidly draining static electricity on copper pillar pad 1012 and bottommost pad 101d to copper sheet 1011 for absorbing and releasing static electricity, thereby playing a role of isolating LED lamp panel 101 from static electricity, and finally isolating static electricity from human body, and having the effect of guaranteeing use safety of users.

In an alternative embodiment, the LED lamp panel 101 further includes an electrostatic protection circuit 101e, where the electrostatic protection circuit 101e is disposed between the copper pillar pad 1012 and the copper sheet 1011, and cry absorbs and releases static electricity, so as to isolate the LED lamp panel 101 from static electricity, and finally isolate static electricity from human body, which has an effect of guaranteeing use safety of a user.

In an alternative embodiment, the electrostatic protection circuit 101e includes a resistor 1013 and a capacitor 1014, where the resistor 1013 is parallel to the capacitor 1014, and is configured to absorb a high-frequency interference signal generated inside the LED lamp panel 101. The resistor 1013 is used for preventing static electricity of a human body. Specifically, when the hand contacts the LED lamp panel 101, the resistor 1013 can absorb the high-frequency signal generated by the resistor, so as to prevent the LED lamp panel 101 and the electronic components on the LED lamp panel 101 from being greatly affected.

In an alternative embodiment, resistor 1013 is 1mΩ.

In an alternative embodiment, one end of the resistor 1013 is connected to the ground of the bottommost line 101d, and the other end of the resistor 1013 is connected to the copper sheet 1011, which can act as a high frequency signal interference resistance.

In an alternative embodiment, one end of the capacitor 1014 is connected to the ground of the bottommost line 101d, and the other end of the capacitor 1014 is connected to the copper sheet 1011, which may function to resist low frequency signal interference.

In an alternative embodiment, the LED module 100 further includes a copper pillar and a first magnetic attraction member 102, the copper pillar is welded on the copper pillar pad 1012, and the first magnetic attraction member 102 is fixedly connected with the copper pillar, and is used for being attracted to the second magnetic attraction member 202 disposed on the box frame 200, so as to fix the LED lamp panel 101 on the box frame 200.

Illustratively, the copper pillar is secured to the copper pillar pad 1012 by a tin connection, and the copper pillar pad 1012 is disposed about the perimeter of the lamp panel in a position corresponding to the position of the second magnetic attraction member 202 on the housing frame 200. Wherein, copper post does not have electric connection, is equipped with the internal thread in the copper post, is equipped with the external screw thread on the first magnetism and inhale the piece 102 for first magnetism is inhaled the piece 102 and can be fixed on the copper post through the cooperation of external screw thread and internal screw thread, and then again inhale the piece 102 and the magnetism of second magnetism and inhale the cooperation and fix on box frame 200.

In an alternative embodiment, the side of the case frame 200 facing the LED lamp panel 101 is provided with contact points, and the copper sheet 1011 is in contact with and electrically connected to the contact points.

Illustratively, a plurality of conductive bosses 201 are disposed at intervals on a side of the case frame 200 facing the LED lamp panel 101, contact points may be formed on the conductive bosses 201, and the bottom surface of the LED lamp panel 101 is in contact with and electrically connected to the conductive bosses 201, and a reference ground is disposed in the case frame 200, that is, static electricity of the LED module 100 is transferred to the ground after being guided to the case frame 200 by a copper sheet. The influence of static electricity on the LED module 100 is slowed down.

The copper sheet 1011 is disposed on the outer periphery of the bottommost layer of wires 101d, which may be equivalent to adding a conductive layer on the bottommost layer of wires 101d, i.e. combining the topmost layer of wires 101a, the first middle layer of wires 101b, the second middle layer of wires 101c and the bottommost layer of wires 101d is equivalent to designing a fifth layer of conductive layer structure according to the present application. The topmost layer circuit 101a, the first middle layer circuit 101b, the second middle layer circuit 101c and the bottommost layer circuit 101d are communicated with the reference ground, and then are directly connected with the box frame 200 through the copper sheet 1011, so that static electricity can be transmitted to the box frame 200 through the copper sheet 1011, and the reference ground is arranged in the box frame 200, therefore, the static electricity of the whole LED module 100 can be transmitted to the ground through the copper sheet 1011 and the box frame 200, and the influence of the static electricity on the LED module 100 is slowed down.

It should be noted that, the conductive boss 201 may not be provided on the case frame 200, and the contact point is a white exposed portion on the case frame 200, so that the copper sheet 1011 can be electrically connected with the case frame 200 through the white exposed portion.

In an alternative embodiment, the LED display screen further includes a connection lock 300 and a connection post 400, and the case frame 200 is provided with a lock fixing groove 203, and the connection lock 300 is fixed in the lock fixing groove 203 for connection with the connection post 400 provided on the case frame 200 to achieve rapid splicing between the two case frames 200.

In an alternative embodiment, the connection lock 300 includes a lock base 301, a lock hook 302, and an eccentric block 303, the lock hook 302 is rotatably connected to the lock base 301 through the eccentric block 303, and the lock base 301 is fixed in the lock fixing groove 203, so that the lock hook 302 can hook the connection post 400 of the other case frame 200 when the two case frames 200 are spliced, thereby achieving rapid splicing between the two case frames 200. Wherein, a mounting cavity 3011 is formed in the lock base 301, a connecting shaft 304 is penetrated through the mounting cavity 3011, and the eccentric block 303 is rotatably connected in the connecting shaft 304.

As shown in fig. 1 to 7, according to a second aspect of the present application, there is provided an LED lamp panel 101 for use in an LED display screen, the LED display screen including a case frame 200 and the LED lamp panel 101 disposed on the case frame 200, wherein the LED lamp panel 101 has a plurality of stacked conductive layers, each of the conductive layers is connected to a reference ground of the LED display screen, an LED lamp 1011 of the LED lamp panel 101 is disposed on a topmost circuit of the conductive layers, and a bottommost circuit of the conductive layers is electrically connected to the case frame 200 through a copper sheet.

In the description of the present application, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different structures of the application. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (10)

1. The LED display screen is characterized by comprising a box frame and an LED module arranged on the box frame, wherein the LED module comprises an LED lamp panel integrated with an LED lamp, a connector is arranged on the LED lamp panel, a driving plate is arranged in the box frame, and the driving plate is electrically connected with the LED lamp panel through the connector;

The LED lamp panel is provided with a plurality of stacked conductive layers, each conductive layer is connected with the reference ground of the LED display screen, the LED lamp is arranged on the topmost circuit of the conductive layers, and the bottommost circuit of the conductive layers is electrically connected with the box body frame through copper sheets.

2. The LED display screen of claim 1, wherein the conductive layer comprises a topmost layer of wires, an intermediate layer of wires, and a bottommost layer of wires, the topmost layer of wires electrically connected to the intermediate layer of wires, the intermediate layer of wires electrically connected to the bottommost layer of wires, and the topmost layer of wires, the intermediate layer of wires, and the bottommost layer of wires each connected to a reference ground.

3. The LED display screen of claim 2, wherein the interlayer lines comprise a first interlayer line and a second interlayer line electrically connected to each other, the first interlayer line electrically connected to the topmost line, and the second interlayer line electrically connected to the bottommost line.

4. The LED display screen of claim 2, wherein the copper sheet is laid on the outer peripheral side of the bottommost line, and the periphery of the LED lamp panel is provided with a copper pillar pad, and the copper pillar line is electrically connected with the copper sheet.

5. The LED display screen of claim 4, wherein the LED light board further comprises an electrostatic protection circuit disposed between the copper stud pad and the copper sheet.

6. The LED display screen of claim 5, wherein the electrostatic protection circuit comprises a resistor and a capacitor, the resistor being disposed in parallel with the capacitor.

7. The LED display screen of claim 6, wherein one end of the resistor is connected to the ground reference of the bottommost line, and the other end of the resistor is connected to the copper sheet; and/or the number of the groups of groups,

One end of the capacitor is connected with the reference ground of the bottommost line, and the other end of the capacitor is connected with the copper sheet.

8. The LED display screen of claim 4, wherein said LED module further comprises a copper post and a first magnetic piece, said copper post being welded to said copper post pad, said first magnetic piece being fixedly connected to said copper post for mutual attraction with a second magnetic piece provided on said housing frame for securing said LED light panel to said housing frame.

9. The LED display screen of claim 1, wherein a contact point is provided on a side of the box frame facing the LED light panel, and the copper sheet is in contact with and electrically connected to the contact point.

10. The utility model provides a LED lamp plate for in the LED display screen, the LED display screen include the box frame with set up in LED lamp plate on the box frame, its characterized in that, the LED lamp plate has the conducting layer that the multilayer stacks, every layer the conducting layer all with the reference ground of LED display screen is connected, the LED lamp of LED lamp plate sets up the topmost circuit of conducting layer, the bottommost circuit of conducting layer pass through the copper sheet with the box frame electricity is connected.