CN210295739U

CN210295739U - LED lamp panel and display screen

Info

Publication number: CN210295739U
Application number: CN201921166284.6U
Authority: CN
Inventors: 段四才; 吴达豪; 黄杰; 龚杰; 朱启滔
Original assignee: Shenzhen Clt Led Electronic Co ltd
Current assignee: Shenzhen Clt Led Electronic Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-04-10
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to a LED lamp plate and display screen, it is including lamp plate main part and lamp pearl subassembly, lamp pearl subassembly is including first LED lamp pearl and first adapter plate, first LED lamp pearl is fixed on the first adapter plate, first LED lamp pearl passes through first adapter plate with circuit electricity in the lamp plate main part is connected, first adapter plate detachably fixes in the lamp plate main part, just first adapter plate sets up the circumference border department of lamp plate main part. The utility model discloses be provided with lamp pearl subassembly outside the lamp plate main part, lamp pearl subassembly is including first LED lamp pearl and first keysets, LED lamp pearl is fixed on first keysets, first keysets detachably fixes in the lamp plate main part, LED lamp pearl is connected through the circuit electricity of first keysets with the lamp plate main part, from this, when the LED lamp pearl that is located lamp plate main part circumference border position is hit bad, can directly restore through the lamp pearl subassembly of renewal, resource saving from this, reduce cost of maintenance.

Description

LED lamp panel and display screen

Technical Field

The utility model relates to a LED lamps and lanterns field especially relates to a LED lamp plate and display screen.

Background

As an important means of information transmission, the LED display screen has become a mark of urban information modernization construction, and with the continuous progress of social economy and the continuous perfection of LED display technology, various advertisement display boards, comprehensive stage lamps, full-color display screens and the like are widely applied to realize the rapid transmission of information.

At present, the LED lamp panel generally comprises a PCB (or an aluminum substrate) and LED lamp beads welded on the PCB (or the aluminum substrate), and in the using process, the LED lamp beads at the corner positions of the PCB are easily knocked off due to unexpected conditions. If LED lamp pearl is knocked down, and the pad that corresponds on the PCB board is still, then can weld LED lamp pearl again, thereby make the lamp plate can maintain and normal use, if when LED lamp pearl is knocked down, the pad that corresponds on the PCB board also damages because of dragging, then the LED lamp pearl that drops can't weld again on, the LED lamp plate influences normal use because of the dead pixel appears, can only wholly replace, this will lead to the wasting of resources, and cost of maintenance is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in how to solve and to lead to the whole condemned problem of LED board needs because of the individual LED damages.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

the utility model provides a LED lamp plate, including lamp plate main part and lamp pearl subassembly, lamp pearl subassembly is including first LED lamp pearl and first adapter plate, first LED lamp pearl is fixed on the first adapter plate, first LED lamp pearl passes through first adapter plate with circuit electricity in the lamp plate main part is connected, first adapter plate detachably fixes in the lamp plate main part, just first adapter plate sets up the circumference border department of lamp plate main part.

In a preferred embodiment, still include first magnet and second magnet, first magnet is relative first adapter plate is fixed, the second magnet is relative the lamp plate main part is fixed, the opposite one end of first magnet and second magnet magnetic pole sets up relatively.

In a preferred embodiment, the first magnet and the second magnet are provided in a plurality of pairs.

In a preferred embodiment, still including third magnet and iron sheet, third magnet is relative first adapter plate is fixed, the iron sheet is relative the lamp plate main part is fixed, third magnet and iron sheet correspond the setting.

In a preferred embodiment, two opposite side surfaces of the first adapter plate are respectively provided with a first bonding pad and a second bonding pad, the first bonding pad and the second bonding pad are electrically connected, and pins of the first LED lamp beads are welded and fixed on the first bonding pads.

In a preferred embodiment, the lamp panel main body is polygonal, and the first adapter plate is fixed at a corner position of the lamp panel main body.

In a preferred embodiment, the lamp panel main part is including second PCB board and a plurality of second LED lamp pearl, the second PCB board is provided with on the circuit, and is a plurality of second LED lamp pearl is fixed on the one side of second PCB board, and with the circuit electricity is connected.

In a preferred embodiment, the LED lamp further comprises a second adapter plate, the second adapter plate is fixed on one side, far away from the second LED lamp beads, of the second PCB, the first adapter plate is fixed on the second adapter plate, and the first adapter plate is flush with the second PCB.

In a preferred embodiment, one side of the second adapter plate facing the second PCB is provided with a third bonding pad and a fourth bonding pad, the third bonding pad is electrically connected with the first LED lamp bead, and the fourth bonding pad is electrically connected with the circuit.

A display screen comprises the LED lamp panel.

The utility model has the advantages that:

the utility model discloses be provided with lamp pearl subassembly outside the lamp plate main part, lamp pearl subassembly is including first LED lamp pearl and first keysets, LED lamp pearl is fixed on first keysets, first keysets detachably fixes in the lamp plate main part, LED lamp pearl is connected through the circuit electricity of first keysets with the lamp plate main part, therefore, when the LED lamp pearl that is located lamp plate main part circumference border position is hit bad, can directly restore through the lamp pearl subassembly of renewal, and need not change whole LED lamp plate, but resources are saved from this, and easy maintenance, and can reduce cost of maintenance.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is an oblique view of an LED lamp panel according to an embodiment of the present invention;

FIG. 2 is an exploded view of the LED light panel of FIG. 1;

fig. 3 is an exploded view of another angle of the LED light panel of fig. 1.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which function is to supplement the description of the text part of the specification with figures, so that each technical feature and the whole technical solution of the present invention can be understood visually and vividly, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

In the description of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "more than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

In addition, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 3, fig. 1 is an oblique view of an LED lamp panel according to an embodiment of the present invention, fig. 2 is an exploded view of the LED lamp panel in fig. 1, and fig. 3 is an exploded view of the LED lamp panel in fig. 1 from another angle. The LED lamp plate of this embodiment is including lamp plate main part 1 and lamp pearl subassembly 2, and lamp plate main part 1 is provided with the circuit including second PCB board 11 and second LED lamp pearl 12 in the one side of second PCB board 11, and circuit accessible printing etching is made, and second LED lamp pearl 12 is provided with a plurality ofly, and a plurality of second LED lamp pearl 12 welded fastening are on the circuit, and lamp plate main part 1 is the rectangle on the whole, and lamp pearl subassembly 2 sets up four corners in lamp plate main part 1.

The lamp bead component 2 comprises a first LED lamp bead 21, a first adapter plate 22, a first magnet 23, a second magnet 24 and a second adapter plate 25, the first LED lamp bead 21 is fixed on the first adapter plate 22, the second adapter plate 25 is fixed on the second PCB 11, the first adapter plate 22 is detachably fixed on the second adapter plate 25, therefore, the first adapter plate 22 is detachably fixed on the second PCB 11, and meanwhile, the first LED lamp bead 21 is electrically connected with a circuit on the second PCB 11 through the first adapter plate 22.

From this, when the condition that drops appears in the first LED lamp pearl 21 that is located 11 corners of second PCB board, can directly realize the change of first LED lamp pearl 21 through changing first adapter plate 22, and can not consequently abandon normal function's second PCB board 11 and second LED lamp pearl 12 to can resources are saved, reduce cost of maintenance.

In another embodiment, the second LED lamp beads 12 on the four edges of the second PCB 11 are also replaced with the lamp bead assemblies 2, so that the second LED lamp beads 12 dropped on the four edges of the second PCB 11 can also be repaired and replaced.

In other embodiments, the second PCB 11 may be provided in other polygonal shapes, such as a hexagon or a triangle.

In order to realize the detachable fixation of the first adapter plate 22 and the second adapter plate 25, the first magnet 23 is fixed on the first adapter plate 22, the second magnet 24 is fixed on the second adapter plate 25, the fixation mode can be fixed by glue bonding, one ends of the first magnet 23 and the second magnet 24 with opposite polarities are oppositely arranged, due to the magnetic action of the first magnet 23 and the second magnet 24, when no external force is applied, the first adapter plate 22 and the second PCB 11 are relatively fixed, when the first adapter plate 22 needs to be detached, the magnetic force of the first magnet 23 and the second magnet 24 is overcome through the external force, and the detachment can be realized.

In this embodiment, first magnet 23 and second magnet 24 are provided with three groups, and set up respectively on the three summit of a triangle-shaped, through setting up three first magnets 23 of group and second magnet 24, can improve the stability that first adapter plate 22 and second PCB board 11 are connected, can avoid first adapter plate 22 to drop easily, and simultaneously, three first magnets 23 of group and second magnet 24 also can realize the location of first adapter plate 22 relative second PCB board 11, help realizing the neatly arranged of first LED lamp pearl 21 and second LED lamp pearl 12.

In another embodiment, a third magnet and an iron sheet are used instead of the first magnet 23 and the second magnet 24, the third magnet is fixed on the first adapter plate 22, the iron sheet is fixed on the second adapter plate 25, and the first adapter plate 22 and the second adapter plate 25 can be detachably fixed through the magnetic action of the third magnet and the iron sheet.

In order to realize the electrical connection between the first LED lamp bead 21 and the circuit on the second PCB 11, a first bonding pad 221 is disposed on one surface of the first adapter plate 22 facing the first LED lamp bead 21, the pins of the first LED lamp bead 21 are welded and fixed on the first bonding pad 221, a second bonding pad 222 is disposed on one surface of the first adapter plate 22 away from the first LED lamp bead 21, and the first bonding pad 221 and the second bonding pad 222 are electrically connected through the conductive metal in the guide hole penetrating through the first adapter plate 22.

Meanwhile, a third pad 251 and a fourth pad 252 are disposed on one surface of the second interposer 25 facing the first interposer 22, the third pad 251 and the second pad 222 are electrically connected by direct contact, the third pad 251 and the fourth pad 252 are also electrically connected, and the third pad 251 and the fourth pad 252 are on the same surface, so that the third pad 251 and the fourth pad 252 are electrically connected by a printed circuit on the surface of the second interposer 25. One surface of the second PCB 11, which is far away from the second LED lamp bead 12, is provided with a fifth pad 111, the fourth pad 252 is welded and fixed to the fifth pad 111, and meanwhile, the fifth pad 111 is electrically connected to the circuit on the second PCB 11 through the conductive metal in the guide hole penetrating through the second PCB 11.

Therefore, the first LED lamp bead 21 is electrically connected to the circuit on the second PCB 11 through the first bonding pad 221, the second bonding pad 222, the third bonding pad 251, the fourth bonding pad 252 and the fifth bonding pad 111 in sequence.

In addition, because second keysets 25 fixes in the one side that second PCB board 11 kept away from second LED lamp pearl 12, second keysets 25 leaves the space with second PCB board 11 butt joint for first keysets 22, can make the LED lamp plate more level and more smooth from this.

In this embodiment, the fourth bonding pad 252 and the fifth bonding pad 111 are provided with two sets, the fourth bonding pad 252 and the fifth bonding pad 111 of one set can be used for electrically connecting the first LED bead 21 and the circuit on the second PCB 11, and the other set can enhance the connection strength between the second interposer 25 and the second PCB 11.

In another embodiment, in order to improve the stability of the conduction between the third pad 251 and the second pad 222, a conductive paper may be added between the third pad 251 and the second pad 222.

The utility model discloses still relate to a display screen, this display screen has included foretell LED lamp plate.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications and substitutions without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. The utility model provides a LED lamp plate, its characterized in that, including lamp plate main part and lamp pearl subassembly, lamp pearl subassembly is including first LED lamp pearl and first adapter plate, first LED lamp pearl is fixed on the first adapter plate, first LED lamp pearl passes through first adapter plate with circuit electricity in the lamp plate main part is connected, first adapter plate detachably fixes in the lamp plate main part, just first adapter plate sets up the circumference border department of lamp plate main part.

2. The LED lamp panel of claim 1, further comprising a first magnet and a second magnet, wherein the first magnet is fixed relative to the first adapter plate, the second magnet is fixed relative to the lamp panel body, and opposite ends of the first magnet and the second magnet are oppositely arranged.

3. The LED lamp panel of claim 2, wherein the first magnet and the second magnet are provided with a plurality of pairs.

4. The LED lamp panel of claim 1, further comprising a third magnet and an iron sheet, wherein the third magnet is fixed relative to the first adapter plate, the iron sheet is fixed relative to the lamp panel body, and the third magnet and the iron sheet are arranged correspondingly.

5. The LED lamp panel of claim 1, wherein two opposite side surfaces of the first adapter plate are respectively provided with a first bonding pad and a second bonding pad, the first bonding pad and the second bonding pad are electrically connected, and pins of the first LED lamp beads are welded and fixed on the first bonding pads.

6. The LED lamp panel of claim 1, wherein the lamp panel main body is polygonal, and the first adapter plate is fixed at a corner position of the lamp panel main body.

7. The LED lamp panel of claim 1, wherein the lamp panel body comprises a second PCB and a plurality of second LED lamp beads, the second PCB is provided with the circuit, and the plurality of second LED lamp beads are fixed on one surface of the second PCB and electrically connected with the circuit.

8. The LED lamp panel of claim 7, further comprising a second adapter plate, wherein the second adapter plate is fixed to one side of the second PCB, which is far away from the second LED lamp bead, the first adapter plate is fixed to the second adapter plate, and the first adapter plate is flush with the second PCB.

9. The LED lamp panel of claim 8, wherein a third bonding pad and a fourth bonding pad are arranged on one side of the second adapter plate facing the second PCB, the third bonding pad is electrically connected with the fourth bonding pad, the third bonding pad is electrically connected with the first LED lamp bead, and the fourth bonding pad is electrically connected with the circuit.

10. A display screen, characterized in that it comprises an LED lamp panel as claimed in any one of claims 1 to 9.