Anti-reflection film-coated cover plate, display screen assembly and mobile terminal

Abstract

The utility model discloses an anti-reflection coating film cover plate, a display screen assembly and a mobile terminal, the anti-reflection coating film cover plate comprises a glass cover plate, the surface of the glass cover plate is provided with a coating film area, the glass cover plate is coated with a coating film protection layer through the coating film area, and the coating film protection layer comprises a first middle coating film layer and a second middle coating film layer; wherein the first middle coating layer is a titanium dioxide film layer, and the second middle coating layer is a zinc oxide film layer. According to the anti-reflection coating cover plate, the display screen assembly and the mobile terminal provided by the utility model, through the mutual matching of the first middle coating layer and the second middle coating layer, the integral refractive index can be adjusted to form a multi-layer anti-reflection structure, so that the light transmission performance is further improved. Through the design of the bottom coating layer, light reflection can be reduced by utilizing the characteristic of low refractive index of the magnesium fluoride coating layer, and the magnesium fluoride coating layer acts on the first middle coating layer and the second middle coating layer to form mutual cooperation, so that the anti-reflection effect of the glass cover plate is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to display screen cover plate technical field especially relates to a kind of anti-reflection coating cover plate, display screen assembly and mobile terminal. BACKGROUND

[0002] Display screen cover plate is the important component in touch screen structure, usually made of toughened glass, located the top layer of touch screen, mainly play the role of protection screen and receive touch signal.‌In touch screen, cover plate is located the top layer, for protecting the functional glass below, and is responsible for receiving and processing touch signal. According to the different use scene, display screen cover plate can be divided into calcium glass, dragon tail glass and gorilla glass etc.‌

[0003] With the rapid development of electronic display technology, the functional requirement of glass cover plate is increasingly improved, traditional glass cover plate can satisfy basic protection demand, but there is limitation in light transmittance and anti-reflection, in order to improve the comprehensive performance of glass cover plate, the application proposes a kind of anti-reflection coating cover plate, display screen assembly and mobile terminal. SUMMARY

[0004] Based on this, it is necessary to aim at the above technical problems to provide an anti-reflection coating cover plate, display screen assembly and mobile terminal, the surface of conventional glass cover plate is designed with film protection layer, so that the light transmittance and anti-reflection effect of glass cover plate as a whole can be improved.

[0005] In order to solve the above technical problems, the utility model adopts the technical scheme as follows:

[0006] An anti-reflection coating cover plate, comprising a glass cover plate, the surface of the glass cover plate has a coating area, the glass cover plate is coated with a coating protection layer through the coating area, the coating protection layer includes a first intermediate coating layer and a second intermediate coating layer;

[0007] Wherein, the first intermediate coating layer is titanium dioxide film layer, the second intermediate coating layer is zinc oxide film layer, the titanium dioxide film layer and zinc oxide film layer are coated on the surface of the glass cover plate in turn from bottom to top.

[0008] Further, the coating protection layer further includes surface layer coating layer and bottom layer coating layer;

[0009] Wherein, the surface layer coating layer is coated on the surface of the second intermediate coating layer, and the bottom layer coating layer is coated on the surface of the glass cover plate and located below the first intermediate coating layer.

[0010] Further, the thickness of the titanium dioxide film layer of the first intermediate coating layer is 100nm-200nm, and the thickness of the zinc oxide film layer of the second intermediate coating layer is 50nm-150nm.

[0011] Further, the surface coating layer is a titanium diboride film layer, and the bottom coating layer is a magnesium fluoride film layer.

[0012] Further, the thickness of the titanium diboride film layer of the surface coating layer is 50nm-100nm, and the thickness of the magnesium fluoride film layer of the bottom coating layer is 50nm-100nm.

[0013] Further, the glass cover plate has a visible area at the center, and has a non-visible area outside the visible area on the glass cover plate.

[0014] The edge of the glass cover plate extends downward at the position corresponding to the non-visible area to form a right-angle space together with the bottom of the glass cover plate.

[0015] A display screen assembly comprises an anti-reflection coated cover plate, the surface of the glass cover plate is buckled with a protective frame, the surface of the protective frame is provided with a hollow groove, and the inner side of the protective frame is silk-screened with a black ink layer outside the hollow groove.

[0016] The bottom of the glass cover plate is buckled with a rubber shell, and a liquid crystal display assembly is installed in the rubber shell.

[0017] Further, the bottom end of the protective frame is also fixed to the surface of the rubber shell.

[0018] A mobile terminal comprises a display screen assembly, and the bottom of the rubber shell is equipped with a backlight stand.

[0019] Further, the backlight stand is internally provided with a backlight module.

[0020] Compared with the prior art, the anti-reflection coated cover plate, the display screen assembly and the mobile terminal have the following beneficial effects:

[0021] The anti-reflection coated cover plate, the display screen assembly and the mobile terminal can adjust the refractive index of the whole to form a multi-layer anti-reflection structure, thereby further improving the light transmission performance.

[0022] By the design of the bottom coating layer, the low-refractive characteristic of the magnesium fluoride coating layer can be used to reduce light reflection, and the first intermediate coating layer and the second intermediate coating layer are cooperated to further improve the anti-reflection effect of the glass cover plate, and the titanium diboride coating layer is used as a surface layer to protect the lower coating layer from damage by the hardness and wear resistance of the titanium diboride coating layer.

[0023] By the mechanism design of the boss, a dustproof structure is formed on the connecting part of the glue shell when the glass cover plate is assembled on the glue shell, so that the contact surface between the liquid crystal display assembly in the glue shell and the glass cover plate is better sealed and protected, and the display is better. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A structure schematic view of an anti-reflection coated cover plate, a display screen assembly and a mobile terminal is provided in the utility model;

[0025] Figure 2 A second plane structure schematic view of an anti-reflection coated cover plate, a display screen assembly and a mobile terminal is provided in the utility model;

[0026] Figure 3 A glass cover plate structure schematic view of an anti-reflection coated cover plate, a display screen assembly and a mobile terminal is provided in the utility model;

[0027] Figure 4 A protection frame structure schematic view of an anti-reflection coated cover plate, a display screen assembly and a mobile terminal is provided in the utility model;

[0028] Figure 5 A coating protection layer structure schematic view of an anti-reflection coated cover plate, a display screen assembly and a mobile terminal is provided in the utility model;

[0029] Figure 6 A coating protection layer structure schematic view of an anti-reflection coated cover plate, a display screen assembly and a mobile terminal is provided in the utility model.

[0030] The mark in the drawing is explained as follows:

[0031] Glass cover plate 1, coating area 11, visible area 12, non-visible area 13, boss 14;

[0032] Coating protection layer 2, first intermediate coating layer 21, second intermediate coating layer 22, surface coating layer 23, bottom coating layer 24;

[0033] Protection frame 3, hollow groove 31, black ink layer 32;

[0034] Glue shell 4, liquid crystal display assembly 41;

[0035] Backlight iron stand 5, backlight module 51. DETAILED DESCRIPTION

[0036] In order to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts should fall within the scope of the present application.

[0037] As described in the background, with the rapid development of electronic display technology, the functional requirements for glass cover plates are increasingly improved. Although the traditional glass cover plate can meet the basic protection requirements, it has limitations in terms of light transmission and anti-reflection.

[0038] In order to solve this technical problem, the present application provides an anti-reflection coated cover plate, a display screen assembly and a mobile terminal, which are applied to a display screen cover plate.

[0039] Specifically, please refer to Figures 1-6 The anti-reflection coated cover plate specifically comprises a glass cover plate 1, the glass cover plate 1 has a coated area 11 on the surface, the glass cover plate 1 is coated with a coated protective layer 2 through the coated area 11, and the coated protective layer 2 comprises a first intermediate coated layer 21 and a second intermediate coated layer 22.

[0040] The first intermediate coated layer 21 is a titanium dioxide film layer, the second intermediate coated layer 22 is a zinc oxide film layer, and the titanium dioxide film layer and the zinc oxide film layer are sequentially coated on the surface of the glass cover plate 1 from bottom to top.

[0041] The anti-reflection coated cover plate provided by the present application can adjust the refractive index of the glass cover plate 1 as a whole through the cooperation of the first intermediate coated layer 21 and the second intermediate coated layer 22 to form a multi-layer anti-reflection structure, thereby further improving the light transmission performance.

[0042] In order to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings of the embodiments of the present application.

[0043] It should be noted that the embodiments in the present application and the features and technical schemes in the embodiments can be combined with each other without conflict.

[0044] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0045] Embodiment one

[0046] Please refer to Figures 1-6 Said, an anti-reflection coating cover plate, comprising a glass cover plate 1, having a coating area 11 on the surface of the glass cover plate 1, the glass cover plate 1 is coated with a coating protective layer 2 through the coating area 11, the coating protective layer 2 includes a first intermediate coating layer 21 and a second intermediate coating layer 22; the inner side of the protective frame 3 is printed with a black ink layer 32 in the area outside the hollow groove 31;

[0047] Wherein, the first intermediate coating layer 21 is a titanium dioxide film layer, the second intermediate coating layer 22 is a zinc oxide film layer, the titanium dioxide film layer and the zinc oxide film layer are coated on the surface of the glass cover plate 1 in turn from bottom to top.

[0048] The coating protective layer 2 further comprises a surface coating layer 23 and a bottom coating layer 24, wherein the surface coating layer 23 is coated on the surface of the second intermediate coating layer 22, and the bottom coating layer 24 is coated on the surface of the glass cover plate 1 and located below the first intermediate coating layer 21;

[0049] The thickness of the titanium dioxide film layer of the first intermediate coating layer 21 is 100 nm -200nm, and the specific chemical formula of titanium dioxide is TiO2. Titanium dioxide has high refractive index and good optical stability, and is used as a high refractive layer. It is used alternately with a low refractive magnesium fluoride layer to form a multi-layer anti-reflection structure, further reduce the reflectivity and improve the light transmission performance. In addition, the titanium dioxide film layer (TiO2) also has a certain self-cleaning ability and can decompose organic pollutants;

[0050] The thickness of the zinc oxide film layer of the second intermediate coating layer 22 is 50 nm -150nm, and the specific chemical formula of zinc oxide is ZnO. Zinc oxide is also a high refractive material, which can be used with TiO2 or MgF2 to adjust the optical properties of the coating layer. ZnO also has good electrical conductivity and light transmission, which can be used to prepare transparent conductive film;

[0051] The surface coating layer 23 is a titanium diboride film layer, and the thickness of the titanium diboride film layer of the surface coating layer 23 is 50nm -100nm, and the specific chemical formula of titanium diboride is TiB2. Titanium diboride has very high hardness and wear resistance, and is an ideal wear-resistant protective layer. It can also provide certain scratch and impact resistance to protect the underlying coating from damage. In addition, titanium diboride (TiB2) also has good thermal stability and chemical stability, and can adapt to various harsh environments;

[0052] The bottom layer coating layer 24 is a magnesium fluoride film layer, the thickness of the magnesium fluoride film layer of the bottom layer coating layer 24 is 50 nm-100 nm, the specific chemical formula of magnesium fluoride is MgF2, and the magnesium fluoride has an extremely low refractive index and is used as a bottom layer of an anti-reflection coating, can effectively reduce the reflection of light on the surface of the cover plate glass 1, improve the light transmittance, and also provide a certain hardness to protect the surface of the cover plate glass;

[0053] In summary, the magnesium fluoride film layer (MgF2) is used as a bottom layer, the low refractive index characteristic thereof is used to reduce light reflection, the titanium dioxide film layer (TiO2) and the zinc oxide film layer (ZnO) are used as intermediate layers, a multilayer anti-reflection structure is formed by adjusting the refractive index to further improve the light transmission performance and endow the coating layer with self-cleaning ability, and the titanium diboride film layer (TiB2) is used as a top layer to protect the lower coating layer from damage due to its excellent hardness and wear resistance. The layered structure design not only optimizes the optical performance, but also significantly improves the durability and environmental adaptability of the glass cover plate 1, and provides a more high-quality solution for the electronic display industry.

[0054] Embodiment Two

[0055] The anti-reflection coated cover plate provided in Embodiment One is further optimized, and specifically, as shown in Figure 4 , the glass cover plate 1 has a visible area 12 at the center, and has a non-visible area 13 outside the visible area 12 on the glass cover plate 1;

[0056] Wherein, the edge of the glass cover plate 1 corresponds to the position of the non-visible area 13 and extends downward to form a boss 14, and the inner side of the boss 14 and the bottom of the glass cover plate 1 together form a right-angle space,

[0057] As shown in Figure 1 and Figure 2 , when the glass cover plate 1 with the boss 4 is buckled on the rubber shell 4, a dustproof structure is formed at the connection between the rubber shell 4 and the boss 14 on the glass cover plate 1, thereby facilitating better sealing and protection of the contact surface between the liquid crystal display assembly 41 in the rubber shell 4 and the glass cover plate 1, and facilitating better display.

[0058] Embodiment Three

[0059] This embodiment provides a display screen assembly, Figures 1-6 as shown, which comprises the anti-reflection coated cover plate in Embodiments One and Two, and the surface of the glass cover plate 1 is buckled with a protective frame 3, the surface of the protective frame 3 is provided with a hollow groove 31, and the hollow groove 31 is arranged corresponding to the visible area 12 on the glass cover plate 1 below. Through the design of the hollow groove 31, the display content on the liquid crystal display assembly 41 can be displayed externally;

[0060] The bottom of the glass cover plate 1 is buckled with a glue shell 4, a liquid crystal display assembly 41 is installed inside the glue shell 4, and the bottom end of the protective frame 3 is also fixed to the surface of the glue shell 4.

[0061] Embodiment Four

[0062] The embodiment provides a mobile terminal comprising the anti-reflection coated cover plate and the display screen assembly of the above embodiments, as shown in the figure. Figure 1 As shown in the figure, the bottom of the glue shell 4 is equipped with a backlight iron stand 5, the backlight iron stand 5 is internally installed with a backlight module 51, the backlight module 51 is used for lighting the liquid crystal display assembly 41, and the display use of the mobile terminal is realized.

[0063] In the utility model, unless another definite provision and limitation, the terms "installation", "connection", "link", "fix" and the like terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electric connection or each other can communicate; can be directly connected, also can indirectly be connected through intermediate medium, can be two element inside communication or two element mutual action relation, unless another definite limitation. For ordinary skilled in the art, the above terms in the utility model can be understood according to specific circumstances the concrete meaning in the utility model.

[0064] Obviously, the above described embodiments are only part of the embodiments of the utility model, and are not all the embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model. The utility model can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing each specific embodiment can be modified, or part of the technical features can be replaced equivalently. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection range of the utility model.

Claims

1. An anti-reflective coated cover sheet, characterized by, The application relates to a glass cover plate (1) provided with a coating area (11) on the surface of the glass cover plate (1), wherein the glass cover plate (1) is coated with a coating protective layer (2) through the coating area (11), and the coating protective layer (2) comprises a first intermediate coating layer (21) and a second intermediate coating layer (22). The first intermediate coating layer (21) is a titanium dioxide film layer, the second intermediate coating layer (22) is a zinc oxide film layer, and the titanium dioxide film layer and the zinc oxide film layer are sequentially coated from bottom to top on the surface of the glass cover plate (1).

2. The anti-reflective coated cover sheet of claim 1, wherein, The coating protective layer (2) further comprises a surface coating layer (23) and a bottom coating layer (24). The surface coating layer (23) is coated on the surface of the second intermediate coating layer (22), and the bottom coating layer (24) is coated on the surface of the glass cover plate (1) and is located below the first intermediate coating layer (21).

3. The anti-reflective coated cover sheet of claim 1, wherein, The thickness of the titanium dioxide film layer of the first intermediate coating layer (21) is 100nm-200nm, and the thickness of the zinc oxide film layer of the second intermediate coating layer (22) is 50nm-150nm.

4. The anti-reflective coated cover sheet of claim 2, wherein, The surface coating layer (23) is a titanium diboride film layer, and the bottom coating layer (24) is a magnesium fluoride film layer.

5. The anti-reflective coated cover sheet according to claim 4, wherein, The thickness of the titanium diboride film layer of the surface coating layer (23) is 50nm-100nm, and the thickness of the magnesium fluoride film layer of the bottom coating layer (24) is 50nm-100nm.

6. The anti-reflective coated cover plate of claim 1, wherein, The glass cover plate (1) is provided with a visible area (12) at the center, and is provided with a non-visible area (13) outside the visible area (12). The edge of the glass cover plate (1) is provided with a boss (14) extending downward at the position corresponding to the non-visible area (13), and the inner side of the boss (14) and the bottom of the glass cover plate (1) jointly form a right-angle space.

7. A display screen assembly comprising an anti-reflective coated cover sheet according to any one of claims 1 to 6, wherein, The surface of the glass cover plate (1) is clamped with a protective frame (3), the surface of the protective frame (3) is provided with a hollow groove (31), and the inner side of the protective frame (3) is provided with a black ink layer (32) outside the hollow groove (31). The bottom of the glass cover plate (1) is clamped with a rubber shell (4), and a liquid crystal display assembly (41) is arranged in the rubber shell (4).

8. A display screen assembly according to claim 7, wherein, The bottom end of the protective frame (3) is also fixed to the surface of the rubber shell (4).

9. A mobile terminal comprising a display assembly according to claim 8, characterized in that The bottom of the rubber shell (4) is provided with a backlight iron stand (5).

10. A mobile terminal according to claim 9, characterized in that The backlight iron stand (5) is internally provided with a backlight module (51).

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