High-contrast LED display screen mask

Abstract

The utility model relates to a high-contrast LED display screen mask which comprises a mask body, a plurality of sets of lamp bead holes are formed in the mask body, and the lamp bead holes are used for installing LED light sources; the cap brim is arranged on the mask body, the cap brim is arranged above each lamp bead hole, and the top of the cap brim is provided with a wavy tooth-shaped structure; the shading transverse strips are arranged on the mask body, and the shading transverse strips are arranged on the periphery of each lamp bead hole; the shading transverse strips and the brim are arranged around the lamp bead holes in a surrounding and covering mode so that an uneven tooth-shaped face can be formed on the surface of the mask body, and the contrast ratio of the LED display screen can be improved. By adopting the structure, the direct incidence area of the light source and the front reflection of the light source are reduced, so that the contrast ratio of the LED display screen is improved.

Description

Technical Field

[0001] This utility model relates to the field of LED display technology, and specifically to a high-contrast LED display mask. Background Technology

[0002] The contrast ratio of an LED display screen refers to the ratio of the screen's maximum brightness to the background brightness under a given ambient light level. To avoid the negative impact of contrast on the human eye, efforts are made to increase screen brightness while minimizing the screen's surface reflectivity, ensuring a high contrast ratio while maintaining the screen's maximum luminous intensity. Currently, most LED display screen masks use simple structures to shield external light sources, resulting in relatively small improvements in contrast ratio.

[0003] Therefore, there is an urgent need to provide a high-contrast LED display mask to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings and defects of the prior art and provide a high-contrast LED display screen mask that reduces the direct area of ​​the light source and reduces the front reflection of the light source, thereby improving the contrast of the LED display screen.

[0005] The objective of this utility model is achieved through the following technical solution:

[0006] A high-contrast LED display screen mask, characterized in that it comprises:

[0007] The mask body has multiple sets of LED bead holes for mounting LED light sources.

[0008] A brim is provided on the mask body, the brim is located above each of the lamp bead holes, and the top of the brim is provided with a wavy toothed structure;

[0009] A light-shielding strip is provided on the mask body, and the light-shielding strip is provided around each of the lamp bead holes; the light-shielding strip and the brim are provided around the lamp bead holes so that the surface of the mask body forms an uneven toothed surface, which is used to improve the contrast of the LED display screen.

[0010] Optionally, the light-shielding strip includes a first light-shielding strip and a second light-shielding strip. The first light-shielding strip is disposed on the left and right sides of the lamp bead hole, and the height of the first light-shielding strip does not exceed the surface of the LED light source installed in the lamp bead hole; the second light-shielding strip is disposed below the lamp bead hole.

[0011] Optionally, the first light-shielding strip is provided with multiple sets of protrusions, the protrusions being frustum-shaped, and the cross-sectional area of ​​the protrusions gradually increasing along the direction close to the mask body.

[0012] Optionally, a trapezoidal groove is provided between two adjacent brims, and the sidewalls of the two adjacent brims are located on the extension lines of the two sidewalls of the trapezoidal groove.

[0013] Optionally, the mask body, brim, and sun-blocking strip are all made of black plastic.

[0014] Optionally, the mask body is provided with a plurality of screw holes, and the plurality of screw holes are located between any two adjacent brims.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] In this invention, the high-contrast LED display screen mask includes a mask body, a brim, and light-shielding strips. The mask body has multiple sets of LED bead holes for mounting LED light sources. The brim is located on the mask body, above each set of LED bead holes, and has a wavy, toothed structure at its top. The brim design reduces the direct area of ​​light source illumination, improving the contrast of the display screen. The wavy, toothed structure at the top of the brim also reduces the reflection of external light onto the LED display screen and decreases the light source's reflection area. The direct illumination area is reduced, improving the contrast of the LED display screen. Light-shielding strips are installed on the mask body, surrounding each group of LED bead holes. These strips, along with the brim, cover the area around the LED bead holes, effectively reducing the direct illumination area of ​​external light. Simultaneously, the mask body's surface forms an uneven, toothed surface. Because of this uneven, toothed surface, the LED display screen reflects light diffusely, reducing the reflection effect and thus improving the contrast. Through the arrangement of these components, the direct illumination area and frontal reflection of the light source are reduced, thereby improving the contrast of the LED display screen. Attached Figure Description

[0017] Figure 1 This is a partial structural schematic diagram of the present invention.

[0018] Figure 2 This is a partial front view of the present invention.

[0019] Figure 3 This is a partial side view of the present invention.

[0020] Figure 4 This is a partial bottom view of the present invention.

[0021] The above figures include the following reference numerals:

[0022] 1. Mask body; 11. Lamp bead hole; 21. Brim; 22. Toothed structure; 23. Trapezoidal groove; 31. First light-shielding horizontal bar; 311. Boss; 32. Second light-shielding horizontal bar; 4. Screw hole. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of the present invention is not limited thereto.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. This utility model provides a high-contrast LED display screen cover.

[0025] Reference Figures 1 to 4 In this embodiment, it includes:

[0026] The mask body 1 has multiple sets of LED bead holes 11, which are used to install LED light sources.

[0027] A brim 21 is provided on the mask body 1. The brim 21 is located above each lamp bead hole 11, and the top of the brim 21 is provided with a wavy toothed structure 22.

[0028] A light-shielding strip is provided on the mask body 1, and the light-shielding strip is provided around each lamp bead hole 11; the light-shielding strip and the brim 21 are provided around the lamp bead hole 11 so that the surface of the mask body 1 forms an uneven toothed surface, which is used to improve the contrast of the LED display screen.

[0029] Optionally, in this embodiment, the high-contrast LED display screen mask includes a mask body 1, a brim 21, and a light-shielding strip. The mask body 1 has multiple sets of LED bead holes 11 for mounting LED light sources. The brim 21 is located on the mask body 1 and is positioned above each set of LED bead holes. The top of the brim 21 has a wavy, toothed structure 22. The brim 21 is designed to reduce the direct illumination area of ​​the light source, thereby reducing the minimum brightness of the display screen and indirectly improving the contrast of the display screen. However, in the prior art, most rims 21 have a smooth, flat top, which causes strong reflection of external light after it shines on the LED display screen, resulting in a decrease in contrast. By providing a wavy, toothed structure 22 on the top of the brim 21, the reflection of external light after it shines on the LED display screen is reduced. This design reduces the direct area of ​​the light source, improving the contrast of the LED display screen and ensuring good display performance even during the day. Light-shielding strips are located on the mask body 1, surrounding each group of LED bead holes 11. These strips, along with the brim 21, cover the area around the LED bead holes 11, with the brim 21 above the holes and the strips on the left, right, and below, effectively reducing the direct area of ​​external light. Simultaneously, the mask body 1 forms an uneven, toothed surface. Because this surface reflects light, the LED display screen exhibits diffuse reflection, reducing the reflection effect and thus improving the contrast. By configuring these components, the direct area of ​​the light source and the frontal reflection of the light source are reduced, thereby improving the contrast of the LED display screen.

[0030] In this embodiment, the light-shielding horizontal strip includes a first light-shielding horizontal strip 31 and a second light-shielding horizontal strip 32. The first light-shielding horizontal strip 31 is disposed on the left and right sides of the lamp bead hole 11, and the height of the first light-shielding horizontal strip 31 does not exceed the surface of the LED light source installed in the lamp bead hole 11, so as to avoid affecting the light output of the LED light source. The second light-shielding horizontal strip 32 is disposed below the lamp bead hole 11, and the height of the second light-shielding horizontal strip 32 is higher than the height of the first light-shielding horizontal strip 31. The second light-shielding horizontal strip 32 is used to block external light to a certain extent, thereby improving the contrast of the LED display screen. Furthermore, in this embodiment, the first light-shielding horizontal strip 31 is provided with multiple sets of protrusions 311. The protrusions 311 are in the shape of a frustum, and the cross-sectional area of ​​the protrusions 311 gradually increases along the direction close to the mask body 1. In actual production applications, the protrusions 311 are generally in the shape of a frustum, such as a regular frustum, a pentagonal frustum, etc., and can also be in the shape of a cone or a prism, etc., which are not limited here.

[0031] In this embodiment, a trapezoidal groove 23 is provided between two adjacent sets of brims 21, and the sidewalls of the two adjacent sets of brims 21 are located on the extension lines of the two sidewalls of the trapezoidal groove 23.

[0032] In this embodiment, the mask body 1, the brim 21, and the light-blocking strip are all made of black plastic to improve the contrast of the LED display mask. In actual applications, the LED display mask is made of black plastic, and the surface of the LED display mask can also be sprayed with a matte black paint layer to further improve the contrast of the LED display mask. This is not limited here.

[0033] In this embodiment, the mask body 1 is provided with multiple screw holes 4, and the multiple screw holes 4 are located between any two adjacent brims 21. These screw holes 4 can be used to fix it to other components inside the LED display screen, which is convenient and quick. It should be noted that the above specific embodiments are merely preferred embodiments of this utility model and the technical principles used. Within the scope of the technology disclosed in this utility model, any changes, modifications, substitutions, combinations, or simplifications made by those skilled in the art without departing from the spirit and principle of this utility model should be considered equivalent substitutions and should be covered within the protection scope of this utility model.

Claims

1. A high-contrast LED display screen mask, characterized in that, The utility model relates to a LED display screen, which comprises: a mask body, which is provided with a plurality of groups of lamp bead holes for installing LED light sources; a brim, which is arranged on the mask body and is arranged above each lamp bead hole, and the top of the brim is provided with a wave-shaped tooth structure; light-shielding horizontal strips, which are arranged around each lamp bead hole; the light-shielding horizontal strips and the brim are arranged around the lamp bead hole to form an uneven tooth surface on the surface of the mask body, so as to improve the contrast of the LED display screen.

2. A high-contrast LED display screen mask according to claim 1, characterized in that, The light-shielding horizontal strips comprise first light-shielding horizontal strips and second light-shielding horizontal strips; the first light-shielding horizontal strips are arranged on the left and right sides of the lamp bead hole, and the height of the first light-shielding horizontal strips does not exceed the surface of the LED light source installed in the lamp bead hole; the second light-shielding horizontal strips are arranged below the lamp bead hole.

3. A high-contrast LED display screen mask according to claim 2, characterized in that, A plurality of groups of convex platforms are arranged on the first light-shielding horizontal strips; the convex platforms are prismatic in shape, and the cross-sectional area of the convex platforms gradually increases in the direction close to the mask body.

4. The high-contrast LED display screen mask of claim 1, wherein, A trapezoidal groove is arranged between two adjacent brims, and the side walls of the two adjacent brims are located on the extension lines of the two side walls of the trapezoidal groove.

5. The high-contrast LED display screen mask of claim 1, wherein, The mask body, the brim and the light-shielding horizontal strips are all made of black plastic.

6. The high-contrast LED display screen mask of claim 1, wherein, A plurality of screw holes are arranged on the mask body, and the screw holes are arranged between any two adjacent brims.

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