Anti-glare cover plate, display module and electronic device

Abstract

The application discloses an anti-dazzle cover plate, a display module and electronic equipment, and relates to the technical field of anti-dazzle. The anti-dazzle cover plate comprises a substrate, the substrate is provided with an anti-dazzle side, a plurality of first microstructures and a plurality of second microstructures are formed on the anti-dazzle side, each first microstructure is periodically arranged on the anti-dazzle side, and each second microstructure is randomly arranged on the anti-dazzle side. The application solves the technical problem of poor optical display effect of the existing anti-dazzle cover plate.

Description

Technical Field

[0001] This invention relates to the technical field of anti-glare, and more particularly to an anti-glare cover, a display module, and an electronic device. Background Technology

[0002] To prevent strong reflected light from external light sources from interfering with users' vision and making it difficult to see the screen, an anti-glare cover, also known as an AG cover, is usually placed over the display screen. Current anti-glare covers are generally formed in several ways: one is through a combination of frosting and chemical etching; another is by spraying micron- or nano-sized particles onto the cover surface; and a third is through processes such as phase separation. The inventors discovered that the microstructure of anti-glare covers produced by these methods is extremely disordered. As a result, when light passes through the anti-glare cover, the inherent path of the light is disrupted, leading to reduced display clarity, flickering, and rainbow-like display issues, even though an anti-glare effect is achieved. Summary of the Invention

[0003] In view of this, the present invention provides an anti-glare cover, a display module, and an electronic device to solve the technical problem of poor optical display effect of existing anti-glare covers.

[0004] To solve the above-mentioned technical problems, the first technical solution adopted by the present invention is as follows:

[0005] An anti-glare cover plate includes a substrate, an anti-glare side is provided on the substrate, a plurality of first microstructures and a plurality of second microstructures are formed on the anti-glare side, the first microstructures are periodically arranged on the anti-glare side, and the second microstructures are randomly arranged on the anti-glare side.

[0006] In some embodiments of the anti-glare cover, the size of each of the first microstructures is larger than the size of each of the second microstructures.

[0007] In some embodiments of the anti-glare cover, the spacing between adjacent first microstructures is 10-200 μm, the size of each first microstructure is 20 μm-50 μm, and the maximum spacing between each first microstructure and the anti-glare side is 0.5 μm-3 μm.

[0008] In some embodiments of the anti-glare cover, the size of each second microstructure is 3um-5um, and the maximum distance between each second microstructure and the anti-glare side is 0.2um-1.5um.

[0009] In some embodiments of the anti-glare cover, the size of each of the second microstructures is larger than the size of each of the first microstructures.

[0010] In some embodiments of the anti-glare cover, the spacing between adjacent first microstructures is 2-30 μm, the size of each first microstructure is 5 μm-15 μm, and the maximum spacing between each first microstructure and the anti-glare side is 0.5 μm-1.5 μm.

[0011] In some embodiments of the anti-glare cover, the size of each second microstructure is 20um-30um, and the maximum distance between each second microstructure and the anti-glare side is 0.5um-2um.

[0012] In some embodiments of the anti-glare cover, each of the first microstructures is either a groove or a protrusion; when each of the first microstructures is a groove, the opening of each groove smoothly transitions to the anti-glare side, and the inner wall curvature of each groove is continuous; when each of the first microstructures is a protrusion, the sidewall of each protrusion has a continuous curvature from one end away from the substrate to the anti-glare side, and smoothly transitions to the anti-glare side.

[0013] To solve the above-mentioned technical problems, the second technical solution adopted by the present invention is as follows:

[0014] A display module includes the anti-glare cover described in the above embodiment.

[0015] To solve the above-mentioned technical problems, the third technical solution adopted by the present invention is as follows:

[0016] An electronic device includes the display module described in the above embodiments.

[0017] Implementing the embodiments of the present invention will have at least the following beneficial effects:

[0018] The aforementioned anti-glare cover plate, when applied to display modules and electronic devices, can improve the optical display effect of itself, the display module, and the electronic device on the basis of anti-glare technology. Specifically, the anti-glare side of the substrate has multiple first microstructures and second microstructures. The first microstructures are arranged periodically, while the second microstructures are arranged randomly. That is, one is periodic and the other is non-periodic. This breaks the extremely disordered AG structure design of existing anti-glare cover plates. The present invention achieves the anti-glare effect of the cover plate through disordered arrangement, while the ordered periodic arrangement can improve clarity and reduce flicker. Furthermore, the composite design of disorder and order can avoid rainbow patterns, thereby solving the technical problem of poor optical display effect of anti-glare cover plates. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the anti-glare cover plate in one embodiment;

[0021] Figure 2 for Figure 1 Simplified cross-sectional view of section AA.

[0022] Wherein: 1. Substrate; 11. Anti-glare side; 2. First microstructure; 21. Groove; 3. Second microstructure. Detailed Implementation

[0023] To facilitate understanding of the present invention, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of the invention are shown in the drawings. However, the invention can be implemented in many other different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of the invention.

[0024] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0025] Unless otherwise defined, 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 invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0026] Current anti-glare covers are generally formed in the following ways: one is through a combination of frosting and chemical etching; another is by spraying micron- and nano-sized particles onto the cover surface; and the third is by using phase separation and other processes. The inventors discovered that the microstructure arrangement of anti-glare covers made using these methods is extremely disordered. As a result, when light passes through the anti-glare cover, the inherent path of the light is disrupted, leading to a decrease in display clarity and flickering issues, even though an anti-glare effect is achieved.

[0027] The following is combined with Figure 1-2 As shown, the anti-glare cover, display module and electronic device involved in the present invention will be further described.

[0028] In one embodiment of an anti-glare cover plate, the anti-glare cover plate includes a substrate 1, an anti-glare side 11 is provided on the substrate 1, a plurality of first microstructures 2 and a plurality of second microstructures 3 are formed on the anti-glare side 11, the first microstructures 2 are periodically arranged on the anti-glare side 11, and the second microstructures 3 are randomly arranged on the anti-glare side 11.

[0029] In this embodiment, the first microstructure 2 is arranged periodically, while the second microstructure 3 is arranged randomly. That is, one is periodic and the other is non-periodic, breaking the extremely disordered AG structure design of existing anti-glare cover plates. The present invention achieves the anti-glare effect of the cover plate through the disordered arrangement, while the ordered periodic arrangement can improve the clarity and reduce the flash point. Furthermore, the combined design of disorder and order can avoid rainbow patterns, thereby solving the technical problem of poor optical display effect of anti-glare cover plates.

[0030] In one embodiment of the anti-glare cover, the size of each first microstructure 2 is larger than the size of each second microstructure 3. Alternatively, the size of each second microstructure 3 is larger than the size of each first microstructure 2.

[0031] In this embodiment, the size of each first microstructure 2 and each second microstructure 3 can be either large or small, thus forming two specific implementation methods. Specifically, the first form is a periodic microstructure of a large structure and a non-periodic microstructure of a small structure, and the second form is a periodic microstructure of a small structure and a non-periodic microstructure of a large structure. It can be understood that the structures of each first microstructure 2 and each second microstructure 3 corresponding to the two forms of structural design are different, resulting in different focuses of display effects. Specifically, the first form, due to the larger size of the periodically arranged first microstructure 2, has a poorer anti-glare effect, but high clarity and low flicker point, making it suitable for high-definition and low-flicker-point scenarios; while the second form mainly has a superior anti-glare effect and is suitable for high anti-glare scenarios.

[0032] The following embodiments illustrate the specific structures of each first microstructure 2 and each second microstructure 3 when their dimensions are in the first form.

[0033] In one embodiment of the anti-glare cover, the spacing between adjacent first microstructures 2 is 10-200um, the size of each first microstructure 2 is 20um-50um, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 0.5um-3um.

[0034] In this embodiment, since each of the first microstructures 2 is arranged in a certain periodic manner, if the diffraction conditions are met, the diffraction effect will occur relatively easily. When the size of the first microstructure 2 is less than 5 μm, the dispersion caused by diffraction is more severe. As the size increases, the diffraction dispersion effect gradually decreases. Therefore, in this embodiment, the size of each of the first microstructures 2 is set to 20 μm-50 μm. Under this structural size, the diffraction dispersion phenomenon caused by the periodic arrangement of each of the first microstructures 2 is greatly reduced.

[0035] In one embodiment of the anti-glare cover, the size of each second microstructure 3 is 3um-5um, and the maximum distance between each second microstructure 3 and the anti-glare side 11 is 0.2um-1.5um.

[0036] In this embodiment, although the size of each second microstructure 3 is small, below 5 μm, because the second microstructures 3 are non-periodic and disordered, they are easier to recombine through light mixing when a single second microstructure 3 undergoes diffraction dispersion, forming a more uniform light field. Therefore, the size of the second microstructure 3 can be set to 3-5 μm. Furthermore, by setting the second microstructures 3 to a small size, the impact on the emitted light from the display screen is smaller, while still achieving a better anti-glare effect. Additionally, the fill ratio of the second microstructure 3 in the final anti-glare cover can be calculated to be 80-100.

[0037] The above two embodiments are specific structures of the first microstructure 2 and the second microstructure 3 in the first form. By combining the two, a variety of different anti-glare cover plate structures can be formed:

[0038] Example 1

[0039] The spacing between adjacent first microstructures 2 is 10 μm, the size of each first microstructure 2 is 20 μm, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 0.5 μm; the size of each second microstructure 3 is 3 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.2 μm.

[0040] Example 2

[0041] The spacing between adjacent first microstructures 2 is 200 μm, the size of each first microstructure 2 is 50 μm, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 3 μm; the size of each second microstructure 3 is 5 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 1.5 μm.

[0042] Example 3

[0043] The spacing between adjacent first microstructures 2 is 55 μm, the size of each first microstructure 2 is 35 μm, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 1.5 μm; the size of each second microstructure 3 is 4 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.85 μm.

[0044] In the three embodiments described above, the optical effect of Embodiment 1 is: low flash point, medium anti-glare effect, and high clarity; the optical effect of Embodiment 2 is: relatively low flash point, poor anti-glare effect, and high clarity; and the optical effect of Embodiment 3 is: relatively low flash point, poor anti-glare effect, and high clarity. It can be observed that all three specific embodiments can guarantee excellent clarity and flash point, making them suitable for high-definition and low-flash-point scenarios.

[0045] The following examples illustrate the specific structures when the dimensions of each first microstructure 2 and each second microstructure 3 are configured in the second form.

[0046] In one embodiment of the anti-glare cover, the spacing between adjacent first microstructures 2 is 2-30 μm, the size of each first microstructure 2 is 5 μm-15 μm, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 0.5 μm-1.5 μm.

[0047] Compared with the previous embodiments, the size of each first microstructure 2 in this embodiment is significantly smaller than that of each first microstructure 2 in the previous embodiments. However, since each first microstructure 2 is still arranged periodically, in order to avoid diffraction dispersion effect, the size of each first microstructure 2 cannot be less than 5 μm.

[0048] In one embodiment of the anti-glare cover, the size of each second microstructure 3 is 20um-30um, and the maximum distance between each second microstructure 3 and the anti-glare side 11 is 0.5um-2um. In the final anti-glare cover, the fill ratio of the second microstructure 3 can be calculated to be 60-100.

[0049] The above two embodiments are specific structures of the first microstructure 2 and the second microstructure 3 in the first form. By combining the two, a variety of different anti-glare cover plate structures can be formed:

[0050] Example 4

[0051] The spacing between adjacent first microstructures 2 is 2µm, the size of each first microstructure 2 is 5µm, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 0.5µm. The size of each second microstructure 3 is 20µm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.5µm.

[0052] Example 5

[0053] The spacing between adjacent first microstructures 2 is 30 μm, the size of each first microstructure 2 is 15 μm, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 1.5 μm. The size of each second microstructure 3 is 30 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 2 μm.

[0054] Example 6

[0055] The spacing between adjacent first microstructures 2 is 17.5 μm, the size of each first microstructure 2 is 10 μm, and the maximum spacing between each first microstructure 2 and the anti-glare side 11 is 0.85 μm. The size of each second microstructure 3 is 25 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 1 μm.

[0056] In the three embodiments described above, the optical effects of Embodiment 4 are: moderate flash point, excellent anti-glare effect, and high clarity; the optical effects of Embodiment 5 are: moderate flash point, excellent anti-glare effect, and moderate clarity; and the optical effects of Embodiment 6 are: moderate flash point, excellent anti-glare effect, and high clarity. It can be seen that the anti-glare effect is excellent in the three specific embodiments described above, making them suitable for scenarios requiring high anti-glare performance.

[0057] In one embodiment of an anti-glare cover, each first microstructure 2 is either a groove 21 or a protrusion; when each first microstructure 2 is a groove 21, the groove opening of each groove 21 smoothly transitions with the anti-glare side 11, and the inner wall curvature of each groove 21 is continuous; when each first microstructure 2 is a protrusion, the sidewall of each protrusion has a continuous curvature from the end away from the substrate 1 to the anti-glare side 11, and smoothly transitions with the anti-glare side 11.

[0058] In this embodiment, each of the first microstructures 2 can be either a groove 21 structure or a protrusion structure. The difference lies in whether the groove 21 or the protrusion is the main body. When each microstructure is a groove 21 structure, the groove 21 is the main body. The shape of the groove 21 is not specifically limited. For example, it can be a circular groove, a polygonal groove, etc. When the groove 21 is a circular groove or an elliptical groove, it has an annular sidewall. Preferably, the orthographic projection of the groove opening of the groove 21 toward the anti-glare side 11 is circular or elliptical. Taking the groove opening of the groove 21 as an example, the cross-section of its annular sidewall is arc-shaped, and the two ends of the annular sidewall smoothly transition with the bottom of the groove and the plane where the anti-glare side 11 is located, respectively, resembling a bowl shape. The bottom of the groove is also an arc-shaped structure, protruding away from the groove opening, so that the curvature of the annular sidewall is continuous. The smooth transition and curvature continuous structure design can reduce the flicker point and thus improve the optical display effect. Similarly, when the first microstructure 2 is a protrusion, the flash point can be reduced by making the sidewall of the protrusion smoothly transition with the anti-glare side 11.

[0059] Preferably, when the size of the first microstructure 2 is larger than that of the second microstructure 3, and the first microstructure 2 is a groove 21, the lower limit of the size of the groove 21 can be appropriately increased to 30um-50um. At this size, the gap between two adjacent first microstructures 2 can be effectively reduced, thereby reducing the platform size between two adjacent first microstructures 2 and improving the anti-glare effect. At the same time, increasing the size of the groove 21 also helps to improve the anti-glare effect. Meanwhile, the lower limit of the depth of the groove 21 can be appropriately increased to 1um-3um. Increasing the depth helps to form processing marks in the transition area between the groove opening and the anti-glare side 11. The heavier the processing marks, the better the continuity of the curvature of the transition area between the groove opening and the anti-glare side 11.

[0060] When the size of the first microstructure 2 is larger than that of the second microstructure 3, and the first microstructure 2 is a protrusion, since the end face of the protrusion facing away from the anti-glare side 11 is a platform, and this platform is difficult to process, the upper limit of the size of the protrusion can be appropriately reduced to 20um-40um. At this size, the platform size of the protrusion can be effectively reduced, improving the anti-glare effect. At the same time, the upper limit of the depth of the groove 21 can be appropriately reduced to a height of 0.5um-1.5um. When the processing height is reduced, the height difference between the high point and the low point of the protrusion will be reduced, reducing the probability of discontinuity in the curvature of the transition area between the protrusion sidewall and the anti-glare side 11, thereby effectively reducing the flash point.

[0061] Similarly, when the size of the first microstructure 2 is smaller than that of the second microstructure 3, and the first microstructure 2 is a groove 21, the size of the groove 21 is 10um-20um, and the depth of the groove 21 is 1um-1.5um. The setting principle is the same and will not be repeated.

[0062] Similarly, when the size of the first microstructure 2 is smaller than that of the second microstructure 3, and the first microstructure 2 is a protrusion, the size of the protrusion is 5um-15um, and the height of the protrusion is 0.5um-1um.

[0063] By combining the above preferred solutions with the preceding embodiments, preferred embodiments 1-6 can be formed:

[0064] When the size of the first microstructure 2 is larger than that of the second microstructure 3, and the first microstructure 2 is a groove 21:

[0065] Preferred embodiment 1

[0066] The spacing between adjacent first microstructures 2 is 10µm, the size of each first microstructure 2 is 30µm, and the depth of each first microstructure 2 is 1µm; the size of each second microstructure 3 is 3µm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.2µm.

[0067] Preferred embodiment 2

[0068] The spacing between adjacent first microstructures 2 is 200 μm, the size of each first microstructure 2 is 50 μm, and the depth of each first microstructure 2 is 3 μm; the size of each second microstructure 3 is 5 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 1.5 μm.

[0069] Preferred Example 3

[0070] The spacing between adjacent first microstructures 2 is 55 μm, the size of each first microstructure 2 is 40 μm, and the depth of each first microstructure 2 is 2 μm; the size of each second microstructure 3 is 4 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.85 μm.

[0071] When the size of the first microstructure 2 is larger than that of the second microstructure 3, and the first microstructure 2 is a protrusion:

[0072] Preferred embodiment 4

[0073] The spacing between adjacent first microstructures 2 is 10 μm, the size of each first microstructure 2 is 20 μm, and the height of each first microstructure 2 is 0.5 μm; the size of each second microstructure 3 is 3 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.2 μm.

[0074] Preferred Example 5

[0075] The spacing between adjacent first microstructures 2 is 200um, the size of each first microstructure 2 is 40um, and the height of each first microstructure 2 is 1.5um; the size of each second microstructure 3 is 5um, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 1.5um.

[0076] Preferred Example 6

[0077] The spacing between adjacent first microstructures 2 is 55 μm, the size of each first microstructure 2 is 30 μm, and the height of each first microstructure 2 is 1 μm; the size of each second microstructure 3 is 4 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.85 μm.

[0078] When the size of the first microstructure 2 is smaller than that of the second microstructure 3, and the first microstructure 2 is a groove 21:

[0079] Preferred embodiment 7

[0080] The spacing between adjacent first microstructures 2 is 2µm, the size of each first microstructure 2 is 10µm, and the depth of each first microstructure 2 is 1µm. The size of each second microstructure 3 is 20µm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.5µm.

[0081] Preferred embodiment 8

[0082] The spacing between adjacent first microstructures 2 is 30 μm, the size of each first microstructure 2 is 20 μm, and the depth of each first microstructure 2 is 1.5 μm. The size of each second microstructure 3 is 30 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 2 μm.

[0083] Preferred Example 9

[0084] The spacing between adjacent first microstructures 2 is 17.5 μm, the size of each first microstructure 2 is 15 μm, and the depth of each first microstructure 2 is 1.25 μm. The size of each second microstructure 3 is 25 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 1 μm.

[0085] When the size of the first microstructure 2 is smaller than that of the second microstructure 3, and the first microstructure 2 is a protrusion:

[0086] Preferred embodiment 10

[0087] The spacing between adjacent first microstructures 2 is 2µm, the size of each first microstructure 2 is 5µm, and the height of each first microstructure 2 is 0.5µm. The size of each second microstructure 3 is 20µm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 0.5µm.

[0088] Preferred embodiment 11

[0089] The spacing between adjacent first microstructures 2 is 30 μm, the size of each first microstructure 2 is 15 μm, and the height of each first microstructure 2 is 1 μm. The size of each second microstructure 3 is 30 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 2 μm.

[0090] Preferred embodiment 12

[0091] The spacing between adjacent first microstructures 2 is 17.5 μm, the size of each first microstructure 2 is 10 μm, and the height of each first microstructure 2 is 0.75 μm. The size of each second microstructure 3 is 25 μm, and the maximum spacing between each second microstructure 3 and the anti-glare side 11 is 1 μm.

[0092] Furthermore, the processing methods for each of the first microstructures 2 and each of the second microstructures 3 in this invention are not limited, such as photolithography, nanoimprinting, laser processing, pattern printing, inkjet printing, acid etching, plasma dry etching, and glass frosting. It should be noted that each of the first microstructures 2 and each of the second microstructures 3 in this invention can be formed using the same process or by different processes.

[0093] Specifically, positions for each first microstructure 2 can be reserved on the anti-glare side 11 first, then non-periodic, disordered second microstructures 3 can be formed, and finally periodic first microstructures 2 can be formed on the anti-glare side 11. In this way, when the first microstructure 2 and the second microstructure 3 overlap, the first microstructure 2 formed later can be retained.

[0094] It is understandable that periodicity can take any form, such as common matrix structures, parallelograms, regular hexagons, etc., that is, periodicity can be achieved by arranging according to a certain periodic pattern.

[0095] Preferably, on the same anti-glare cover, the first microstructure 2 and the second microstructure 3 adopt the same structural design, that is, when the first microstructure 2 is a groove 21 structure, the second microstructure 3 is also a groove structure. Similarly, when the first microstructure 2 is a protrusion structure, the second microstructure 3 is also a protrusion structure.

[0096] The present invention also relates to a display module, including the anti-glare cover plate in the above embodiment.

[0097] The present invention also relates to an electronic device, including the display module in the above embodiments.

[0098] By applying the anti-glare cover plate from the above embodiments to the display module, and then applying the display module with the anti-glare cover plate from the above embodiments to electronic devices, the display effect of the display module and electronic devices is improved, while achieving the anti-glare effect and having better optical performance compared with other anti-glare cover plates.

[0099] In a preferred embodiment of the display module, the display module further includes a display screen, each first microstructure 2 corresponds to one or more pixels on the display screen, and the ratio of the size of each first microstructure 2 to the size of the pixel is n, where n is 1, 2, 3 or 4, that is, one first microstructure 2 corresponds to at least one pixel and at most four pixels. In this way, when the size of the first microstructure 2 is larger than the size of the second microstructure 3, it will not have a significant impact on the clarity of the display module, and it can also have a good anti-glare effect even at a large size.

[0100] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0101] The above embodiments merely illustrate several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. An anti-glare cover, characterized in that, The anti-glare cover includes a substrate, on which an anti-glare side is provided. A plurality of first microstructures and a plurality of second microstructures are formed on the anti-glare side. Each of the first microstructures is periodically arranged on the anti-glare side, and each of the second microstructures is randomly arranged on the anti-glare side. The size of each of the first microstructures is larger than the size of each of the second microstructures; The spacing between adjacent first microstructures is 10-200um, the size of each first microstructure is 20um-50um, and the maximum spacing between each first microstructure and the anti-glare side is 0.5um-3um. The size of each second microstructure is 3um-5um, and the maximum distance between each second microstructure and the anti-glare side is 0.2um-1.5um; Alternatively, the size of each second microstructure is larger than the size of each first microstructure; the spacing between adjacent first microstructures is 2-30 μm, the size of each first microstructure is 5 μm-15 μm, and the maximum spacing between each first microstructure and the anti-glare side is 0.5 μm-1.5 μm; the size of each second microstructure is 20 μm-30 μm, and the maximum spacing between each second microstructure and the anti-glare side is 0.5 μm-2 μm.

2. The anti-glare cover plate as described in claim 1, characterized in that, Each of the first microstructures is either a groove or a protrusion; when each of the first microstructures is a groove, the opening of each groove smoothly transitions to the anti-glare side, and the inner wall curvature of each groove is continuous; when each of the first microstructures is a protrusion, the sidewall of each protrusion has a continuous curvature from one end away from the substrate to the anti-glare side, and smoothly transitions to the anti-glare side.

3. A display module, characterized in that, Including the anti-glare cover as described in any one of claims 1-2.

4. An electronic device, characterized in that, Includes the display module as described in claim 3.

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