CN108564892A - A kind of LED display mask - Google Patents

Abstract

The present invention provides a kind of LED display masks, the unit piece of mask is redesigned, experienced using the illusion of human visual, solve easily risen existing for existing LED display mask drum, piece are big, need before the brush coating of the back side ink-jet and it is high to the expansion coefficient requirements of material the problems such as.The mask includes multiple unit pieces, and the unit piece is rectangular sheet, and the unit piece includes multiple rectangular unit grids, and each rectangular unit grid is divided into multiple pixel compartments；And be equipped between the two neighboring rectangular unit grid compartment away from, and the compartment away from the distance between be the pixel sound of laughing wide multiple.

Description

A kind of LED display mask

technical field

The invention relates to the field of LED display screens, in particular to an LED display screen mask.

Background technique

The LED display screen mask is of great significance for protecting the LED display screen. The existing LED display screen mask is formed by continuous splicing of multiple unit pieces, and pixels are evenly distributed on each unit piece; The splicing is prone to bulging, and the splicing gap is too large after being cold and black lines are easy to see; at the same time, the seam is also particularly obvious after splicing adjacent LED display modules; in addition, because the LED display mask is in production There is chromatic aberration, so continuous splicing in use will easily lead to uneven color on the surface of the LED display; in order to overcome the above difficulties, the existing LED display mask needs to be coated with glue on the back during production to reduce its swelling phenomenon, and at the same time Inkjet on the surface to cover up the chromatic aberration of the surface, and use materials with the smallest expansion coefficient; however, both the glue on the back and the inkjet on the surface increase the difficulty of the production process of the LED display and the cost of materials and labor in production. The high expansion coefficient requirements of LED display screens have also become an incentive for high costs; and the obvious problem of the seams between adjacent LED displays has not been resolved.

Contents of the invention

The invention provides an LED display mask, which redesigns the unit pieces of the mask and uses the illusion of human vision to solve the existing LED display masks that are easy to bulge, have large seams, and need to be glued on the back and front. Inkjet and high requirements on the expansion coefficient of materials.

To achieve the above object, the technical solution of the present invention is:

An LED display mask, the LED display mask includes a plurality of unit sheets, the unit sheet is a rectangular sheet, the unit sheet includes a plurality of rectangular cells, and each of the rectangular cells is equally divided into A plurality of pixel grids, each pixel grid is surrounded by horizontal ribs and longitudinal ribs; and there is a grid spacing between two adjacent rectangular cells, and the distance between the grid spacing is equal to is a multiple of the pixel grid width.

Further, a plurality of the unit pieces are spliced continuously in four directions to form the mask, and the distance between each unit piece is the same as the distance between two adjacent rectangular units.

Further, each pixel grid is provided with a limiting protrusion.

Further, reinforcing ribs are provided in each of the grid intervals, and the number and arrangement of the reinforcing ribs in the grid intervals in the same extending direction are the same.

Further, the unit piece includes four identical rectangular unit cells, and the four rectangular unit cells are respectively arranged in four quadrants divided by the horizontal axis and the vertical axis of the unit piece; The horizontal axis of the pitch coincides with the horizontal axis of the cell, and the vertical axis of the cell pitch coincides with the vertical axis of the cell.

Further, each pixel grid can accommodate one light source of one LED display.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. In the present invention, there is a space between adjacent unit pieces, which will not affect the display effect due to mutual extrusion and swelling of adjacent unit pieces when heated, and also saves the process of brushing glue on the back of the unit piece, which simplifies The production steps reduce the production cost and improve the service life of the LED display screen mask.

2. In the present invention, the edge of the unit piece is no longer attached to the edge of the LED display module, which solves the problem that the unit piece attached to the edge of the LED display module during the assembly process of the original LED display mask is easy to be scratched and warped The problem.

3. In the present invention, the distance between the unit pieces between two adjacent LED display modules and the distance between the unit pieces and the unit pieces are the same as the grid spacing, so the surface of the entire LED display screen is regular from the whole. It is covered with dark rectangular cells divided by the grid spacing of bright lines, visually re-dividing the entire LED display screen, so as to visually cover the splicing lines of the actual LED display module, making the entire LED display The appearance of the screen surface is more beautiful, the overall effect is better, and it also avoids the phenomenon of black lines appearing when the gap is too large due to thermal expansion and contraction, and the phenomenon of extrusion swelling due to too small gap; at the same time, due to the visual The illusion effect will visually distract people from the original slight difference in light and shade of the ink color, so there is no need to spray ink on the front of the LED display mask, which reduces the production steps and production costs.

4. In the present invention, due to the gap left during splicing, the LED display screen mask will not be affected by the thermal expansion and contraction of the unit piece, so the requirement for the expansion rate of the unit piece material is not high, thereby reducing the production cost and selection difficulty.

5. The present invention is provided with reinforcing ribs within the grid spacing, which improves the overall strength of the unit, reduces the bending damage of the unit during assembly, improves the production yield of the LED display screen mask, and saves production costs.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention, and constitute a part of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention, and do not constitute improper limitations to the present invention. In the attached picture:

Fig. 1 is the structural representation of unit piece of the present invention;

Fig. 2 is a schematic structural diagram of the spliced unit sheet of the present invention.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Referring to Fig. 1 and Fig. 2, a kind of LED display mask, described LED display mask comprises a plurality of unit pieces 1, wherein the number of unit pieces 1 changes according to the size of the mask, so as to be able to cover the entire mask surface, The unit sheet 1 is a rectangular sheet, and the unit sheet 1 includes a plurality of rectangular cells 2, each of which is divided into a plurality of pixel grids 3, and each pixel grid 3 is composed of transverse ribs The bars 30 and the longitudinal ribs 31 are enclosed; each pixel grid 3 is provided with a limiting protrusion. Moreover, a grid spacing 4 is set between two adjacent rectangular unit cells 2, and the distance between the grid spacing 4 is a multiple of the grid width of 3 pixel grids. The arrangement of the rectangular unit cells 2 on each unit piece 1 can be adjusted and designed according to requirements, but the uniform distribution of the rectangular unit cells 2 and the grid spacing 4 must be guaranteed; a plurality of the unit pieces 1 are spliced continuously in four directions to form In the face mask, the distance between each unit piece 1 is the same as the distance between two adjacent rectangular unit cells 2 . The distance between the unit pieces 1 between two adjacent LED display modules and the distance between the unit pieces 1 and the unit pieces 1 are the same as the grid spacing 4, so that the regular layout of the entire LED display surface is seen from the whole. The dark rectangular cells 2 divided by bright lines with a grid spacing of 4 visually re-divide the entire LED display, so as to visually cover the splicing lines of the actual LED display module, making the entire LED display The appearance of the display surface is more beautiful, the overall effect is better, and it also avoids the phenomenon of black lines appearing when the gap is too large due to thermal expansion and contraction, and the phenomenon of extrusion swelling due to too small gap; at the same time, due to the arrangement of light and dark on the surface of the LED display The optical illusion effect will visually distract people from the original slight difference in light and shade of the ink color, so there is no need to spray ink on the front of the LED display mask, which reduces the production steps and production costs .

At the same time, the edge of the unit piece 1 is no longer attached to the edge of the LED display module, which solves the problem that the unit piece 1 attached to the edge of the LED display module during the assembly process of the original LED display mask is easy to be scratched and warped question. There is a gap between adjacent unit pieces 1, which will not affect the display effect due to the mutual extrusion of adjacent unit pieces 1 when heated, and also save the process of brushing the back of the unit piece 1, simplifying the production steps , reduces the production cost, and improves the service life of the LED display mask.

Each grid space 4 is provided with reinforcing ribs 5 , and the number and arrangement of the reinforcing ribs 5 in the same extending direction are the same. The design of the rib 5 improves the overall strength of the unit piece 1, reduces the bending damage of the unit piece 1 during the assembly process, improves the production yield of the LED display screen mask, and saves the production cost.

As a preferred embodiment of the present invention, the unit piece 1 includes four identical rectangular unit cells 2, and the four rectangular unit cells 2 are respectively arranged on four sides divided by the horizontal axis and the vertical axis of the unit piece 1. In a quadrant; the horizontal axis of the horizontal grid spacing 4 coincides with the horizontal axis of the unit sheet 1, and the longitudinal axis of the vertical grid spacing 4 coincides with the vertical axis of the unit sheet 1. Each pixel grid 3 can accommodate a light source of an LED display screen; the width of the grid spacing 4 is the width of two pixel grids 3 . During the assembly process of the LED display screen mask, the unit piece 1 is sequentially pasted and embedded on each LED display module, wherein the unit piece 1 avoids the outermost circle of light sources around the LED display module, and the unit piece The ribs of 1 are evenly pasted and embedded in the gap between the light sources. There is a gap between two light sources between each unit piece 1. After each LED display module is pasted in turn, multiple LED display modules are assembled. Get up and get the required LED display, and the LED display mask is also spliced.

The foregoing description shows and describes preferred embodiments of the present invention, and as previously stated, it is to be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments but may be used in various other embodiments. Combinations, modifications and circumstances, and can be modified within the scope of the inventive concept described herein, by the above teachings or by skill or knowledge in the relevant field. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the present invention, and should all be within the protection scope of the appended claims of the present invention.

Claims (6)

1. a kind of LED display mask, it is characterised in that：The LED display mask includes multiple unit pieces, the unit piece For rectangular sheet, the unit piece includes multiple rectangular unit grids, and each rectangular unit grid is divided into multiple pixel compartments, Each pixel compartments are enclosed by lateral rib and lengthways of rod；And compartment is equipped between the two neighboring rectangular unit grid Away from, and the compartment away from width be the pixel sound of laughing wide multiple.

2. a kind of LED display mask as described in claim 1, it is characterised in that：Multiple unit pieces continue in all directions spelling Connect to form the mask, the distance between each described unit piece and the compartment away from it is of same size.

3. a kind of LED display mask as described in claim 1, it is characterised in that：It is equipped with limit in each pixel compartments Protrusion.

4. such as claim 1 or a kind of LED display mask of 3 any one of them, it is characterised in that：Each compartment is away from interior It is equipped with reinforcing rib, and quantity of the compartment of same extending direction away from interior reinforcing rib is identical with arrangement mode.

5. a kind of LED display mask as claimed in claim 4, it is characterised in that：The unit piece includes four identical Rectangular unit grid, four rectangular unit grids be separately positioned on horizontally and vertically be split to form by the unit piece four as In limit；The lateral compartment away from the horizontal axis of horizontal axis and the unit piece coincide, longitudinal compartment away from the longitudinal axis and The longitudinal axis of the unit piece coincides.

6. a kind of LED display mask as claimed in claim 5, it is characterised in that：Each pixel compartments can accommodate a LED One light source of display screen.