Privacy films and electronic devices

Abstract

This application provides a privacy film and an electronic device. The privacy film includes a first transparent substrate and a second transparent substrate disposed opposite to each other, and a privacy layer located between the first transparent substrate and the second transparent substrate. The privacy layer includes a plurality of light-shielding members disposed at intervals. One side of the light-shielding member is attached to the second transparent substrate, and the other side of the light-shielding member extends from the second transparent substrate toward the first transparent substrate. In the direction from the second transparent substrate to the first transparent substrate, the cross-sectional area of ​​the light-shielding member parallel to the first transparent substrate gradually decreases, and the cross-sectional shape of the light-shielding member is an isosceles triangle, thereby reducing the probability of blocking transmitted light entering from the first transparent substrate, allowing more transmitted light to pass through the privacy film, increasing the brightness of the light passing through the privacy film, increasing the display brightness of the electronic device, and thus improving the user experience.

Description

Technical Field

[0001] The present application relates to the field of display technology, and in particular to an anti-peep film and an electronic device. Background Art

[0002] With the development of science and technology and the improvement of people's living standards, digital products have become a necessity in people's lives, bringing great convenience to people's work and life. In the process of using electronic devices, the issue of user privacy protection is usually involved. In the prior art, an anti-peep film is set on the electronic device to reduce the display viewing angle of the electronic device and reduce the viewing effect of the electronic device at an oblique angle, thereby protecting the privacy of the user.

[0003] Existing privacy films mainly have multiple privacy layers arranged at intervals between two transparent film layers to form a structure similar to a Venetian blind. The working principle of the Venetian blind structure is to use the privacy layer to block light with a large viewing angle, thereby playing the role of a privacy screen. However, in actual use, due to the light transmittance, the human eye captures less light emitted by the screen than when no privacy film is set, resulting in a darker screen, difficulty in discrimination by the human eye, and even eye fatigue. Furthermore, if the screen brightness is to be kept constant, the power consumption of the display will increase, affecting its battery life. Summary of the invention

[0004] The embodiments of the present application provide an anti-peep film and an electronic device to alleviate the deficiencies in the related art.

[0005] To achieve the above functions, the technical solutions provided by the embodiments of the present application are as follows:

[0006] A privacy film comprises: a first transparent substrate and a second transparent substrate arranged opposite to each other, and a privacy layer located between the first transparent substrate and the second transparent substrate;

[0007] The anti-peeping layer includes a plurality of light shielding members arranged at intervals, one side of the light shielding member is in contact with the second transparent substrate, and the other side of the light shielding member extends from the second transparent substrate toward the first transparent substrate;

[0008] Wherein, in the direction from the second transparent substrate to the first transparent substrate, the cross-sectional area of ​​the light shielding member parallel to the first transparent substrate gradually decreases, and the cross-sectional shape of the light shielding member is an isosceles triangle.

[0009] In the privacy film described in the embodiment of the present application, the light shielding member includes a first side attached to the second transparent substrate, a second side away from the second transparent substrate, and a side wall of the light shielding member located between the first side and the second side;

[0010] The angle between the side wall of the light shielding member and the vertical line of the second transparent substrate, the width of the first side and the thickness of the light shielding member satisfy the following relationship:

[0011]

[0012] Wherein, α represents the angle between the side wall of the light shielding member and the vertical line of the second transparent substrate, W represents the width of the first side, and D represents the thickness of the light shielding member.

[0013] In the anti-peep film described in the embodiment of the present application, the anti-peep layer includes a first light-transmitting portion, and the side of the first light-transmitting portion away from the first transparent substrate includes a plurality of spaced grooves, the grooves correspond one-to-one to the light-shielding members, and the light-shielding members are filled in the grooves; wherein the refractive index of the first light-transmitting portion is greater than the refractive index of the first transparent substrate.

[0014] In the anti-peep film described in the embodiment of the present application, the anti-peep layer also includes a second light-transmitting portion located between the light-shielding member and the groove, and the orthographic projection of the second light-transmitting portion on the second transparent substrate covers the orthographic projection of the light-shielding member on the second transparent substrate; wherein the refractive index of the first light-transmitting portion is greater than the refractive index of the second light-transmitting portion.

[0015] In the privacy film described in the embodiment of the present application, the refractive index of the first transparent substrate, the refractive index of the first light-transmitting portion, and the refractive index of the second light-transmitting portion satisfy the following relationship:

[0016]

[0017] Wherein, n1 represents the refractive index of the first transparent substrate, n2 represents the refractive index of the first light-transmitting portion, and n3 represents the refractive index of the second light-transmitting portion.

[0018] In the privacy film described in the embodiment of the present application, the side wall of the second light-transmissive portion away from the light-shielding element is an arc portion, and the arc portion protrudes in a direction close to the center line of the light-shielding element.

[0019] In the anti-peep film described in the embodiment of the present application, in the direction from the second transparent substrate to the first transparent substrate, the thickness of the light shielding member is smaller than the thickness of the anti-peep layer.

[0020] In the privacy film described in the embodiment of the present application, a side of the light shielding member close to the second transparent substrate is flush with a side of the second transparent substrate close to the light shielding member.

[0021] In the privacy film described in the embodiment of the present application, in the direction in which the second transparent substrate points to the first transparent substrate, the cross section of the side wall of the light shielding member is linear.

[0022] An electronic device comprises a display panel and any one of the above-mentioned privacy films located on the light-emitting side of the display panel; wherein the first transparent substrate of the privacy film is located between the second transparent substrate and the light-emitting side of the display panel.

[0023] Beneficial effects of the present application: The embodiments of the present application provide an anti-peep film and an electronic device, wherein the anti-peep film includes a first transparent substrate and a second transparent substrate that are relatively arranged, and an anti-peep layer located between the first transparent substrate and the second transparent substrate; the anti-peep layer includes a plurality of shading members that are spaced apart, one side of the shading member is in contact with the second transparent substrate, and the other side of the shading member extends from the second transparent substrate toward the first transparent substrate; wherein, in the direction in which the second transparent substrate points to the first transparent substrate, the cross-sectional area of ​​the shading member parallel to the first transparent substrate gradually decreases, and the cross-sectional shape of the shading member is an isosceles triangle, thereby reducing the probability of blocking the transmitted light incident from the first transparent substrate, allowing more transmitted light to pass through the anti-peep film, thereby increasing the brightness of the light passing through the anti-peep film, increasing the display brightness of the electronic device, and thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 is a cross-sectional schematic diagram of a conventional display device;

[0026] Figure 2 It is a three-dimensional diagram of an existing privacy film;

[0027] Figure 3 A first cross-sectional schematic diagram of the privacy film provided in an embodiment of the present application;

[0028] Figure 4 A second cross-sectional schematic diagram of the privacy film provided in an embodiment of the present application;

[0029] Figure 5 A second cross-sectional schematic diagram of the privacy film provided in an embodiment of the present application;

[0030] Figure 6 A schematic cross-sectional view of an electronic device provided in an embodiment of the present application. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present application, and are not used to limit the present application. In the present application, unless otherwise stated, the directional words such as "upper" and "lower" used generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the accompanying drawings; while "inside" and "outside" refer to the outline of the device.

[0032] The embodiments of the present application provide an anti-peep film and an electronic device. The following are detailed descriptions. It should be noted that the description order of the following embodiments is not intended to limit the preferred order of the embodiments.

[0033] See also Figure 3 to Figure 5 The embodiment of the present application provides an anti-peep film and an electronic device, wherein the anti-peep film 200 includes: a first transparent substrate 210 and a second transparent substrate 220 arranged opposite to each other, and an anti-peep layer 230 located between the first transparent substrate 210 and the second transparent substrate 220;

[0034] The anti-peeping layer 230 includes a plurality of light shielding members 231 arranged at intervals, one side of the light shielding member 231 is attached to the second transparent substrate 220, and the other side of the light shielding member 231 extends from the second transparent substrate 220 to the first transparent substrate 210;

[0035] In the direction from the second transparent substrate 220 to the first transparent substrate 210 , the cross-sectional area of ​​the shading member 231 parallel to the first transparent substrate 210 gradually decreases, and the cross-sectional shape of the shading member 231 is an isosceles triangle.

[0036] Please combine Figure 1 , Figure 2 and Table 1; among them, Figure 1 is a cross-sectional schematic diagram of a conventional display device; Figure 2is a three-dimensional diagram of an existing privacy film; Table 1 is the technical parameters of the shading member in the existing privacy film. In the existing display device 10, a privacy film 200 is usually set on the display panel 100 to reduce the display viewing angle of the existing display device 10, reduce the viewing effect of the existing display device 10 at a slanting angle, and thus protect the privacy of the user; wherein the existing privacy film 200 mainly has a plurality of shading members 231 arranged at intervals between two oppositely arranged first transparent substrates 210 and second transparent substrates 220, thereby forming a structure similar to a venetian blind, the working principle of which is to use the shading member 231 to block light at a large viewing angle, thereby playing the role of a privacy screen.

[0037] In the direction in which the second transparent substrate 220 points to the first transparent substrate 210, the cross-sectional shape of the shading member 231 is a rectangle or a trapezoid, and the shading member 231 includes a first side 231A attached to the second transparent substrate 220, a second side 231B away from the second transparent substrate 220, and a side wall 231C of the shading member 231 located between the first side 231A and the second side 231B.

[0038]

[0039] Table 1

[0040] It should be noted that, in the embodiment of the present application, the shape of the cross section of the shading member 231 is a trapezoid, the peep screen angle β of the anti-peep film 200 is 60°, the spacing P between two adjacent shading members 231 is 0.132 mm, the width W of the first side 231A of the shading member 231 is 0.015 mm, and the depth D of the shading member 231 is 0.32 mm.

[0041] As can be seen from Table (1), in actual use, since the cross-section of the shading member 231 is a trapezoid, and the angle α between the side wall 231C of the shading member 231 and the vertical line S of the second transparent substrate 220 is too small (usually 1 to 2 degrees), the transmitted light perpendicular to the first transparent substrate 210 is small (usually, the central vertical transmittance of the peep screen 200 with an anti-peep screen angle β of 60° is 70%, and the brightness is 1% of the central vertical brightness when the squinting angle is 30°), resulting in a darker screen, which is difficult for the human eye to distinguish and even causes eye fatigue; and if the screen brightness is to be kept constant, the power consumption of the display will increase, affecting its battery life.

[0042] It can be understood that, in the embodiment of the present application, by setting the direction in which the second transparent substrate 220 points to the first transparent substrate 210, the cross-sectional area of ​​the shading member 231 parallel to the first transparent substrate 210 gradually decreases, and the shape of the cross-section of the shading member 231 is an isosceles triangle, thereby increasing the amount of transmitted light incident perpendicular to the first transparent substrate 210, improving the brightness of light passing through the anti-peep film 200, increasing the display brightness of electronic devices, and thereby improving the user experience.

[0043] The technical solution of the present application is now described in conjunction with specific embodiments.

[0044] In one embodiment, please combine Figure 3 , a first cross-sectional schematic diagram of the anti-peep film provided in an embodiment of the present application.

[0045] The present embodiment provides an anti-peep film 200, which is used to reduce the viewing effect of a display panel at an oblique angle, thereby protecting the privacy of a user. The anti-peep film 200 includes a first transparent substrate 210 and a second transparent substrate 220 that are arranged opposite to each other, and an anti-peep layer 230 located between the first transparent substrate 210 and the second transparent substrate 220.

[0046] Specifically, the materials of the first transparent substrate 210 and the second transparent substrate 220 include but are not limited to resin materials such as polyethylene terephthalate (PET) or polycarbonate (PC). In other embodiments, the materials of the first transparent substrate 210 and the second transparent substrate 220 also include polymerizable resin compositions of methacrylate monomers and methacrylate oligomers.

[0047] The anti-peeping layer 230 includes a plurality of light shielding members 231 arranged at intervals. One side of the light shielding member 231 is in contact with the second transparent substrate 220 , and the other side of the light shielding member 231 extends from the second transparent substrate 220 toward the first transparent substrate 210 .

[0048] The material of the shading member 231 includes but is not limited to shading material. When the transmitted light enters the anti-peep layer 230, at a preset angle, the incident light is blocked by the shading member 231, thereby changing the wide viewing angle of the display panel provided with the anti-peep film 200 to a narrow viewing angle, thereby making the screen information invisible on the side wall of the display panel, thereby protecting the privacy of the user; wherein, the material of the shading member 231 is preferably an opaque material such as black ink, gray ink and white ink.

[0049] Specifically, in the present embodiment, in the direction in which the second transparent substrate 220 points to the first transparent substrate 210, the cross-sectional area of ​​the shading member 231 parallel to the first transparent substrate 210 gradually decreases, and the cross-sectional shape of the shading member 231 is an isosceles triangle; it can be understood that in the present embodiment, by being arranged in the direction in which the second transparent substrate 220 points to the first transparent substrate 210, the cross-sectional area of ​​the shading member 231 parallel to the first transparent substrate 210 gradually decreases, and the cross-sectional shape of the shading member 231 is an isosceles triangle, thereby increasing the amount of transmitted light incident perpendicular to the first transparent substrate 210, improving the brightness of light passing through the anti-peep film 200, increasing the display brightness of electronic devices, and thereby improving the user experience.

[0050] Furthermore, in this embodiment, in the direction in which the second transparent substrate 220 points to the first transparent substrate 210, the thickness of the shading member 231 is less than the thickness of the anti-peep layer 230, and the side of the shading member 231 close to the second transparent substrate 220 is flush with the side of the second transparent substrate 220 close to the shading member 231, thereby avoiding the risk of the shading member 231 breaking when the anti-peep film 200 is subjected to pressure.

[0051] The light shielding member 231 includes a first side 231A attached to the second transparent substrate 220, a second side 231B away from the second transparent substrate 220, and a side wall 231C of the light shielding member 231 located between the first side 231A and the second side 231B; wherein the angle between the side wall 231C of the light shielding member 231 and the vertical line S of the second transparent substrate 220, the width of the first side 231A, and the thickness of the light shielding member 231 satisfy the following relationship:

[0052]

[0053] In which, α represents the angle between the side wall 231C of the shading member 231 and the perpendicular line S of the second transparent substrate 220, W represents the width of the first side 231A, and D represents the thickness of the shading member 231; it should be noted that the width of the first side 231A is the width of the positive projection of the shading member 231 on the second transparent substrate 220, and in the direction from the second transparent substrate 220 to the first transparent substrate 210, the cross-section of the side wall 231C of the shading member 231 is linear.

[0054] Specifically, please refer to Table 2 for the technical parameters of the shading element 231 in the privacy film 200 provided in this application.

[0055]

[0056] Table 2

[0057] It should be noted that, in this embodiment, the privacy screen angle β of the privacy film 200 is 60°, the spacing P between two adjacent shading members 231 is 0.132 mm, the width W of the shading member 231 is 0.015 mm, the depth D of the shading member 231 is 0.32 mm, and the angle α between the side wall 231C of the shading member 231 and the perpendicular line S of the second transparent substrate 220 is 1.4°.

[0058] It can be understood that, compared with the existing anti-peep film, this embodiment does not change the distance P between two adjacent shading members 231, the width W of the shading member 231, and the depth of the shading member 231, so as to maintain the anti-peep screen angle β of the anti-peep film 200 at 60°; and, by being arranged in the direction where the second transparent substrate 220 points to the first transparent substrate 210, the cross-sectional area of ​​the shading member 231 parallel to the first transparent substrate 210 gradually decreases, and the shape of the cross-section of the shading member 231 is an isosceles triangle, so that the transmitted light perpendicular to the first transparent substrate 210 is increased, thereby improving the brightness of the light passing through the anti-peep film 200, increasing the display brightness of the electronic device, and thus improving the user experience.

[0059] In another embodiment, see Figure 4 , a second cross-sectional schematic diagram of the anti-peep film provided in an embodiment of the present application.

[0060] In this embodiment, the structure of the privacy film 200 is similar to / the same as the structure of the privacy film 200 provided in the above embodiment. Please refer to the description of the privacy film 200 in the above embodiment for details, which will not be repeated here. The difference between the two is only that:

[0061] In this embodiment, the anti-peep layer 230 includes a first light-transmitting portion 232, and the side of the first light-transmitting portion 232 away from the first transparent substrate 210 includes a plurality of spaced grooves 232A, and the grooves 232A extend from the second transparent substrate 220 toward the first transparent substrate 210, and the grooves 232A correspond one-to-one to the shading member 231, and the shading member 231 is filled in the grooves 232A; specifically, the shape of the grooves 232A is the same as the shape of the shading member 231.

[0062] The first light-transmitting portion 232 may be made of resin material or other light-transmitting materials. Preferably, the material of the first light-transmitting portion 232 includes but is not limited to resin materials such as polyethylene terephthalate (PET) or polycarbonate (PC). In other embodiments, the material of the first light-transmitting portion 232 also includes a polymerizable resin composition of methacrylate monomers and methacrylate oligomers.

[0063] Furthermore, the first light-transmitting portion 232 covers the first transparent substrate 210, and the refractive index n2 of the first light-transmitting portion 232 is greater than the refractive index n1 of the first transparent substrate 210; it can be understood that when the anti-peep film 200 is used to reduce the viewing effect of the display panel at an oblique angle, the transmitted light of the display panel incident toward the first transparent substrate 210, since the refractive index n2 of the first light-transmitting portion 232 is greater than the refractive index n1 of the first transparent substrate 210, the transmitted light will be refracted when it is incident from the first transparent substrate 210 into the first light-transmitting portion 232, and the refraction angle is smaller than the incident angle, and most of the transmitted light after refraction will be narrowed toward between the two adjacent light-shielding members 231, thereby improving the light extraction efficiency.

[0064] In another embodiment, see Figure 5 , a third cross-sectional schematic diagram of the anti-peep film provided in an embodiment of the present application.

[0065] In this embodiment, the structure of the privacy film 200 is similar to / the same as the structure of the privacy film 200 provided in the above embodiment. Please refer to the description of the privacy film 200 in the above embodiment for details, which will not be repeated here. The difference between the two is only that:

[0066] In this embodiment, the anti-peep layer 230 further includes a second light-transmitting portion 233 located between the shading member 231 and the groove 232A, and the orthographic projection of the second light-transmitting portion 233 on the second transparent substrate 220 covers the orthographic projection of the shading member 231 on the second transparent substrate 220 .

[0067] Specifically, the second light-transmitting portion 233 may be made of resin material or other light-transmitting materials. Preferably, the material of the second light-transmitting portion 233 includes but is not limited to resin materials such as polyethylene terephthalate (PET) or polycarbonate (PC). In other embodiments, the material of the second light-transmitting portion 233 also includes a polymerizable resin composition of methacrylate monomers and methacrylate oligomers.

[0068] Furthermore, the refractive index n2 of the first light-transmitting portion 232 is greater than the refractive index n3 of the second light-transmitting portion 233; it can be understood that when the anti-peep film 200 is used to reduce the viewing effect of the display panel at an oblique angle, the transmitted light of the display panel is incident toward the first transparent substrate 210, and the transmitted light is incident from the first light-transmitting portion 232 to the second light-transmitting portion 233. Since the refractive index n2 of the first light-transmitting portion 232 is greater than the refractive index n3 of the second light-transmitting portion 233, according to the principle of total reflection, from dense light to sparse light, the transmitted light incident on the second light-transmitting portion 233 cannot pass through the second light-transmitting portion 233, and the transmitted light will be totally reflected at the contact interface between the first light-transmitting portion 232 and the second light-transmitting portion 233, and the transmitted light will be completely reflected into the first light-transmitting portion 232 and incident on the second transparent substrate 220, thereby further improving the light extraction efficiency.

[0069] Preferably, in this embodiment, the refractive index n1 of the first transparent substrate 210, the refractive index n2 of the first light-transmitting portion 232, and the refractive index n3 of the second light-transmitting portion 233 satisfy the following relationship:

[0070]

[0071] Among them, n1 represents the refractive index of the first transparent substrate 210, n2 represents the refractive index of the first light-transmitting portion 232, and n3 represents the refractive index of the second light-transmitting portion 233; it should be noted that, in this embodiment, the refractive index n1 of the first transparent substrate 210 is 1.49, the refractive index n2 of the first light-transmitting portion 232 is 1.66, and the refractive index n3 of the second light-transmitting portion 233 is 1.11.

[0072] It can be understood that when the privacy film 200 is used to reduce the viewing effect of the display panel at an oblique viewing angle, the transmitted light of the display panel incident toward the first transparent substrate 210, after the transmitted light enters the second light-transmitting portion 233 from the first light-transmitting portion 232, most of the transmitted light will be totally reflected at the contact interface between the first light-transmitting portion 232 and the second light-transmitting portion 233, and the transmitted light will be completely reflected into the first light-transmitting portion 232 and incident into the second transparent substrate 220, but a small part of the transmitted light will be reflected into the first light-transmitting portion 232 and incident into the second transparent substrate 220. It will be emitted from the side of the first transparent substrate 210 away from the anti-peep layer 230. Since the refractive index n1 of the first transparent substrate 210, the refractive index n2 of the first light-transmitting portion 232, and the refractive index n3 of the second light-transmitting portion 233 satisfy the above relationship, the light path of this small part of the transmitted light is the same as the light path of the transmitted light emitted from the display panel toward the first transparent substrate 210. After contacting the reflective sheet in the display panel, this small part of the transmitted light will be reflected back into the anti-peep film 200, thereby achieving recycling.

[0073] It should be noted that, in other embodiments, the side wall of the second light-transmitting portion 233 away from the shading member 231 is an arc portion, and the arc portion protrudes toward the direction close to the center line of the shading member 231, so that the transmitted light from all directions entering the second light-transmitting portion 233 from the first light-transmitting portion 232 is converged between two adjacent shading members 231, thereby achieving an all-round anti-peeping effect.

[0074] See also Figure 6 , is a cross-sectional schematic diagram of the electronic device provided in an embodiment of the present application.

[0075] This embodiment provides an electronic device 1, which includes a display panel 100, and an anti-peep film 200 described in any of the above embodiments and located on the light-emitting side 101 of the display panel 100; wherein the first transparent substrate 210 of the anti-peep film 200 is located between the second transparent substrate 220 and the light-emitting side 101 of the display panel 100.

[0076] It can be understood that the anti-peep film has been described in detail in the above embodiments and will not be repeated here.

[0077] In specific applications, the electronic device 1 can be a display screen of a smart phone, tablet computer, laptop computer, smart bracelet, smart watch, smart glasses, smart helmet, desktop computer, smart TV or digital camera, and can even be used in electronic devices with flexible display screens.

[0078] In this embodiment, the first transparent substrate 210 of the privacy film 200 is arranged between the second transparent substrate 220 and the light-emitting side 101 of the display panel 100, thereby reducing the probability of blocking the transmitted light incident from the display panel toward the first transparent substrate 210, so that more transmitted light can pass through the privacy film 200, thereby improving the brightness of the light passing through the privacy film 200, increasing the display brightness of the electronic device 1, and thus improving the user experience.

[0079] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0080] In summary, the embodiments of the present application provide an anti-peep film and an electronic device, wherein the anti-peep film includes a first transparent substrate and a second transparent substrate that are relatively arranged, and an anti-peep layer located between the first transparent substrate and the second transparent substrate; the anti-peep layer includes a plurality of shading members that are spaced apart, one side of the shading member is in contact with the second transparent substrate, and the other side of the shading member extends from the second transparent substrate toward the first transparent substrate; wherein, in the direction in which the second transparent substrate points to the first transparent substrate, the cross-sectional area of ​​the shading member parallel to the first transparent substrate gradually decreases, and the cross-sectional shape of the shading member is an isosceles triangle, thereby reducing the probability of blocking the transmitted light incident from the first transparent substrate, allowing more transmitted light to pass through the anti-peep film, thereby improving the brightness of the light passing through the anti-peep film, increasing the display brightness of the electronic device, and thereby improving the user experience.

[0081] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0082] The above is a detailed introduction to an anti-peep film and electronic components provided in the embodiments of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A privacy film, characterized in that: include: A first transparent substrate and a second transparent substrate are arranged opposite to each other, and an anti-peeping layer is located between the first transparent substrate and the second transparent substrate; The anti-peeping layer includes a plurality of light shielding members arranged at intervals, one side of the light shielding member is in contact with the second transparent substrate, and the other side of the light shielding member extends from the second transparent substrate toward the first transparent substrate; The privacy layer comprises a first light-transmitting portion, wherein a side of the first light-transmitting portion away from the first transparent substrate comprises a plurality of grooves arranged at intervals, wherein the grooves correspond to the light-shielding members one by one, and the light-shielding members are filled in the grooves, and the refractive index of the first light-transmitting portion is greater than the refractive index of the first transparent substrate; The anti-peeping layer further includes a second light-transmitting portion located between the light-shielding member and the groove, the orthographic projection of the second light-transmitting portion on the second transparent substrate covers the orthographic projection of the light-shielding member on the second transparent substrate, and the refractive index of the first light-transmitting portion is greater than the refractive index of the second light-transmitting portion; The refractive index of the first transparent substrate, the refractive index of the first light-transmitting portion, and the refractive index of the second light-transmitting portion satisfy the following relationship: Wherein, n1 represents the refractive index of the first transparent substrate, n2 represents the refractive index of the first light-transmitting portion, and n3 represents the refractive index of the second light-transmitting portion; Among them, the side wall of the second light-transmitting portion away from the shading member is an arc portion, and the arc portion protrudes in the direction close to the center line of the shading member. In the direction in which the second transparent substrate points to the first transparent substrate, the cross-sectional area of ​​the shading member parallel to the first transparent substrate gradually decreases, and the shape of the cross-section of the shading member is an isosceles triangle.

2. The privacy film according to claim 1, characterized in that: The light shielding member comprises a first side attached to the second transparent substrate, a second side away from the second transparent substrate, and a side wall of the light shielding member located between the first side and the second side; The angle between the side wall of the light shielding member and the vertical line of the second transparent substrate, the width of the first side and the thickness of the light shielding member satisfy the following relationship: Wherein, α represents the angle between the side wall of the light shielding member and the vertical line of the second transparent substrate, W represents the width of the first side, and D represents the thickness of the light shielding member.

3. The privacy film according to claim 1, characterized in that: In a direction where the second transparent substrate points to the first transparent substrate, the thickness of the light shielding member is smaller than the thickness of the privacy protection layer.

4. The privacy film according to claim 1, characterized in that: A side of the light shielding member close to the second transparent substrate is flush with a side of the second transparent substrate close to the light shielding member.

5. The privacy film according to claim 1, characterized in that: In the direction in which the second transparent substrate points toward the first transparent substrate, the cross section of the side wall of the light shielding member is linear.

6. An electronic device, characterized in that: It comprises a display panel, and an anti-peep film as described in any one of claims 1 to 5 located on the light-emitting side of the display panel; wherein the first transparent substrate of the anti-peep film is located between the second transparent substrate and the light-emitting side of the display panel.

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