CN218471530U - LED display module and display screen - Google Patents

Abstract

The application relates to the technical field of LED display modules, in particular to an LED display module and a display screen. The LED display module comprises a PCB lamp panel, a face shield and LED lamp beads, wherein the LED lamp beads are arranged on the PCB lamp panel, the face shield is arranged on the LED lamp beads, and the face shield and the LED lamp beads are together filled with a pouring sealant. The utility model discloses it seals to reach the problem that prevents the optical crosstalk and appear to seal face guard and the together encapsulating of booth apart from the LED lamp pearl of high density to still seal the side of PCB lamp plate, the waterproof circle in IC face and the IC face is together the encapsulating, is that whole LED display module assembly and display screen reach more excellent water-proof effects.

Description

LED display module and display screen

Technical Field

The application relates to the technical field of LED display modules, in particular to an LED display module and a display screen.

Background

In recent years, the density among the LED display screen lamp beads is developed towards small space and high density. The demand of the LED display screen of high density booth apart from also is explosive growth to people have higher requirement to performance parameters such as resolution ratio, contrast, color and visual angle of LED display screen, and these performance parameters of high density booth apart from product can be fine satisfy the requirement.

At present, most of high-density small-space products have the defects that due to the fact that the density of lamp beads is large, the space between the lamp beads is small, and light rays emitted by adjacent lamp beads can affect each other in a lamp surface area; adjacent lamp beads in the lamp surface reflection area can also generate a light crosstalk phenomenon, performance parameters such as brightness and color of the LED display screen are affected, and the visual effect is seriously affected.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an LED display module and a display screen to solve the problem of poor display effect caused by crosstalk of light in the high-density small-pitch display screen.

In a first aspect, the utility model provides a LED display module assembly, including the PCB lamp plate, face guard and LED lamp pearl, LED lamp pearl sets up on the PCB lamp plate, the face guard sets up on the LED lamp pearl, the face guard with the same casting glue of LED lamp pearl.

In some embodiments, the potting adhesive encapsulates the side, front and IC surfaces of the PCB light panel together.

In some embodiments, a waterproof ring is further arranged on the back surface of the PCB lamp panel, and the upper half part of the waterproof ring and the IC surface are encapsulated together by glue.

In some embodiments, the mask is provided with a plurality of undercuts.

In some embodiments, the end of the reverse buckle is a circular truncated cone, and a slot is arranged in the middle of the circular truncated cone.

In some embodiments, a glue layer is arranged around the face mask, and the face mask is adhered to the PCB lamp panel through the inverted buckle and the glue layer.

In some embodiments, the array of LED lamp beads is arranged on the PCB lamp panel.

In some embodiments, the LED light beads include red LED light beads, green LED light beads, and blue LED light beads.

In some embodiments, the LED light bead is a Mini LED light bead or a Micro LED light bead.

In a second aspect, the utility model also provides a display screen, the display screen is provided by a plurality of the first aspect the LED display module assembly concatenation forms.

Compared with the prior art, the beneficial effects of the utility model are that: different from the situation of the prior art, the embodiment of the utility model provides a LED display module, through set up the face guard between the LED lamp pearl of high density booth apart from, and use the encapsulating with the face guard LED lamp pearl together and seal up, block the light crosstalk between the adjacent LED lamp pearl, promoted the display effect and the quality of high density booth apart from display screen; and adopt GOB embedment to PCB lamp plate front, side and IC face, set up waterproof circle, whole LED display module's waterproof performance is more superior.

Drawings

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

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

fig. 2 is a schematic structural view of a mask according to an embodiment of the present invention;

fig. 3 is a schematic structural view of the face mask reverse buckle according to an embodiment of the present invention.

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.

Referring to fig. 1 and 2, an embodiment of the present invention provides a LED display module, which includes a PCB lamp panel 1, a cover 2 and LED lamp beads 3, the LED lamp beads 3 are disposed on the PCB lamp panel 1, the cover 2 is disposed on the LED lamp beads 3, and the cover 2 and the LED lamp beads 3 together encapsulate a sealant. The side face, the front face and the IC face of the PCB lamp panel 1 are encapsulated by the pouring sealant. Particularly, the pouring sealant can be but is not limited to an outdoor epoxy resin adhesive, and the LED lamp bead and the whole face mask are encapsulated together by the pouring sealant for water-oxygen isolation.

In other embodiments, a waterproof ring (not shown in the figure) is further disposed on the back surface of the PCB lamp panel 1, and the upper half of the waterproof ring and the IC surface are encapsulated together by glue.

Referring to fig. 2 and 3, a plurality of reverse buckles 6 are further disposed on the mask. Specifically, the end portions of these undercuts are round tables 7, and a slot 8 is provided in the middle of the round tables 7. The groove 8 is arranged to adjust the width of the circular truncated cone 7, so that when the circular truncated cone 7 is embedded into the hole in the PCB lamp panel, the groove is closed; after the embedding, the fluting is opened, and the back-off block is on the PCB lamp plate, with face guard fixed connection on the PCB lamp plate.

In other embodiments, a glue layer is arranged around the face mask, and specifically, viscous glue is coated around the face, which is close to the lamp beads, of the face mask. The face guard passes through 6 locks of back-off with the glue layer glues even on the PCB lamp plate 1. The 3 arrays of LED lamp pearl are arranged PCB lamp plate 1 is last, specifically, can be that the rectangle array is arranged or the triangle-shaped array is arranged. The LED lamp beads 3 comprise red LED lamp beads, green LED lamp beads and blue LED lamp beads, and also can be LED lamp banks consisting of the LED lamp beads with the three colors. The LED lamp beads are Mini LED lamp beads or Micro LED lamp beads.

The utility model also provides a display screen, the display screen is by the arbitrary embodiment of a plurality of the above-mentioned LED display module assembly concatenation forms.

The utility model discloses well adoption is sealed apart from the same encapsulating of LED lamp pearl of high density with face guard and booth to reach and prevent that the problem of optical crosstalk from appearing to still with the side of PCB lamp plate, the waterproof circle in IC face and the IC face is together encapsulated with the encapsulating, is that whole LED display module assembly and display screen reach more excellent water-proof effects.

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, and these are all 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. The utility model provides a LED display module assembly, its characterized in that, includes PCB lamp plate, face guard and LED lamp pearl, LED lamp pearl sets up on the PCB lamp plate, the face guard sets up on the LED lamp pearl, the face guard with LED lamp pearl is together the casting glue.

2. The LED display module of claim 1, wherein the potting adhesive encapsulates the side, front and IC faces of the PCB lamp panel together.

3. The LED display module of claim 2, wherein a waterproof ring is further arranged on the back of the PCB lamp panel, and the upper half part of the waterproof ring and the IC surface are encapsulated together by glue.

4. The LED display module of claim 3, wherein the face mask has a plurality of undercuts disposed thereon.

5. The LED display module of claim 4, wherein the end of the inverted button is a circular truncated cone, and a slot is formed in the middle of the circular truncated cone.

6. The LED display module assembly of claim 5, wherein glue layers are arranged around the face shield, and the face shield is adhered to the PCB lamp panel through the inverted buckle and the glue layers.

7. The LED display module of claim 6, wherein the LED lamp bead array is arranged on the PCB lamp panel.

8. The LED display module of claim 7, wherein the LED beads comprise red LED beads, green LED beads, and blue LED beads.

9. The LED display module of claim 8, wherein the LED lamp beads are Mini LED lamp beads or Micro LED lamp beads.

10. A display screen, which is characterized in that the display screen is formed by splicing a plurality of LED display modules according to any one of claims 1 to 9.

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