Display screen coating cover plate, display screen assembly and mobile terminal equipment

Abstract

The utility model discloses a display screen coating cover plate, a display screen assembly and a mobile terminal device, and the display screen coating cover plate is a transparent glass cover plate; one side, facing the top, of the glass cover plate is provided with a coating base surface, and one side, facing the bottom, of the glass cover plate is provided with a receiving base surface; the film coating layer is coated above the film coating base surface on the glass cover plate, the film coating layer comprises a first protective layer, a second protective layer and a third protective layer, and the first protective layer, the second protective layer and the third protective layer are arranged from top to bottom to jointly form the film coating layer; and the second protection layer is a sodium fluoride film layer and is formed by deposition on the surface of the first protection layer. According to the display screen coating cover plate, the display screen assembly and the mobile terminal equipment provided by the utility model, the design of the coating layer is carried out on the surface of the glass cover plate, so that the optical performance of the glass cover plate can be obviously optimized through the unique anti-reflection property and low phonon energy characteristics of the second protective layer sodium fluoride film layer, and meanwhile, the phonon energy is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass cover plate technical field, especially, a kind of display screen coating cover plate, display screen assembly and mobile terminal equipment are involved. BACKGROUND

[0002] With the rapid development of display industry technology, glass cover plate as the key component of electronic product, its performance requirement is increasing. Traditional glass cover plate has limitations in high melting point, mechanical strength, thermal stability, electrical performance and optical performance, and has been difficult to meet the needs of current high-performance electronic products, therefore, develop new coating technology, form coating layer with excellent performance by coating on the front of glass cover plate, become the research hotspot in the industry.

[0003] Such as Chinese utility model patent ZL201320008516.1 discloses a sapphire mobile phone patch, it includes patch main body, patch main body is sapphire transparent patch, the thickness of patch main body is 0.08mm-0.9mm. The utility model adopts sapphire crystal as mobile phone screen patch material, sapphire has high hardness, is the hardness in nature only second to diamond, Mohs hardness reaches 9, and is processed into the patch with the thickness of 0.08-0.9mm by special process route, after being pasted on mobile phone, solve the problem that current general mobile phone panel is easy to be scratched;

[0004] The above scheme although adopts sapphire patch to protect cover plate glass, but due to the structural characteristics of sapphire itself, it has the visible light refractive index of about 1.76, and the transmittance in visible region is about 86%, resulting in that the light transmittance of cover plate glass using sapphire patch is low, and in actual application, only by increasing brightness can standard display requirements be met, but increasing brightness will lead to fast power consumption, so that standby time of using equipment is shortened, therefore, how to propose a scheme that can have excellent protection effect on cover plate glass and meet better light transmittance is a technical problem to be solved by personnel in the field, therefore, the present application proposes a display screen coating cover plate, display screen assembly and mobile terminal equipment. UTILITY MODEL CONTENTS

[0005] Based on this, it is necessary to provide a display screen coating cover plate, display screen assembly and mobile terminal equipment for the above technical problems, the surface of conventional glass cover plate is designed with coating layer, the phonon energy is reduced by the second protective layer, which is conducive to improving the light-emitting efficiency and laser damage threshold, and the first protective layer and the third protective layer are also used, so that the glass cover plate has excellent mechanical strength and good adhesion.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A display screen coating cover plate, comprising:

[0008] A glass cover plate in transparent appearance; the glass cover plate has a coating base surface on the side facing the top and a receiving base surface on the side facing the bottom;

[0009] A coating layer coated on the coating base surface of the glass cover plate, the coating layer comprising a first protective layer, a second protective layer and a third protective layer, wherein the first protective layer, the second protective layer and the third protective layer are arranged from top to bottom to form the coating layer;

[0010] The second protective layer is a sodium fluoride film layer formed by deposition on the surface of the first protective layer.

[0011] Further, the third protective layer is a zirconium silicate film layer formed by deposition on the surface of the coating base surface.

[0012] Further, the first protective layer is a hafnium silicate film layer formed by deposition on the surface of the second protective layer.

[0013] Further, the thickness of the zirconium silicate film layer is between twenty and forty nanometers.

[0014] The thickness of the sodium fluoride film layer is between ten and thirty nanometers.

[0015] The thickness of the hafnium silicate film layer is between ten and thirty nanometers.

[0016] A display screen assembly comprising a display screen coating cover plate, further comprising a display screen arranged at the bottom of the glass cover plate and corresponding to the receiving base surface.

[0017] Further, the display screen comprises an LCD module and a backlight module.

[0018] Further, the backlight module comprises a reflective sheet, a light guide plate, a diffusion film and a light enhancement film.

[0019] The reflective sheet, the light guide plate, the diffusion film and the light enhancement film are sequentially laid from bottom to top, and the backlight module further comprises a backlight source.

[0020] Further, the backlight source is arranged on one side of the light guide plate for lighting the LCD module.

[0021] A mobile terminal device comprising a display screen assembly, further comprising a casing, the inside of the casing having a receiving cavity, and the receiving cavity being in communication with an opening slot of the casing.

[0022] Further, the display screen coating cover plate is assembled on the opening groove through optical glue, and the display screen assembly is assembled in the inside of the shell through the accommodating cavity.

[0023] Compared with the prior art, the display screen coating cover plate, the display screen assembly and the mobile terminal device have the following beneficial effects:

[0024] The display screen coating cover plate, the display screen assembly and the mobile terminal device have the following beneficial effects:

[0025] The third protective layer is designed to deposit the zirconium silicate film layer on the coating base surface of the glass cover plate, so that the mechanical strength and the good adhesion are enhanced, a solid foundation is provided for the entire coating system, and the first protective layer (hafnium silicate film layer) of the outermost layer is designed to have excellent friction resistance, so that a solid protective barrier is provided for the second protective layer (sodium fluoride film layer), the erosion of the external environment is effectively resisted, and the light transmission efficiency is improved while the strength of the display screen coating cover plate is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The display screen coating cover plate, the display screen assembly and the mobile terminal device provided by the utility model have the structure schematic view;

[0027] Figure 2 The display screen coating cover plate, the display screen assembly and the mobile terminal device provided by the utility model have the structure schematic view;

[0028] Figure 3 The display screen coating cover plate, the display screen assembly and the mobile terminal device provided by the utility model have the structure schematic view;

[0029] Figure 4 The display screen coating cover plate, the display screen assembly and the mobile terminal device provided by the utility model have the structure schematic view.

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

[0031] The glass cover plate 1, the coating base surface 11 and the receiving base surface 12;

[0032] The coating layer 2, the first protective layer 21, the second protective layer 22 and the third protective layer 24;

[0033] The display screen 3, the LCD module 31 and the backlight module 32;

[0034] The reflective sheet 320, the light guide plate 321, the diffusion film 322, the light enhancement film 323 and the backlight 324.

[0035] The shell 4, the accommodating cavity 41 and the opening slot 42. DETAILED DESCRIPTION

[0036] In order to make the personnel in the technical field 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 combination with the drawings in 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 the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0037] As described in the background, the conventional protection for the glass cover plate is only to attach a protective sheet to the surface thereof, but due to the low connection strength of the attachment itself, effective adhesion cannot be achieved, and meanwhile, although some protective sheets achieve a certain mechanical strength protection, due to the material characteristics thereof, the light transmittance of the cover plate after attachment is low.

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

[0039] Specifically, referring to Figures 1-4 The display screen coated cover plate, the display screen assembly and the mobile terminal device specifically include:

[0040] The glass cover plate 1 is transparent; the glass cover plate 1 has a coated base surface 11 on the side facing the top and a receiving base surface 12 on the side facing the bottom;

[0041] The coating layer 2 is coated on the coated base surface 11 of the glass cover plate 1, and the coating layer 2 includes a first protective layer 21, a second protective layer 22 and a third protective layer 24, wherein the first protective layer 21, the second protective layer 22 and the third protective layer 24 are arranged from top to bottom to form the coating layer 2.

[0042] The second protective layer 22 is a sodium fluoride film layer formed by deposition on the surface of the first protective layer 21.

[0043] The display screen coated cover plate, the display screen assembly and the mobile terminal device provided by the present application design the coating layer 2 on the surface of the glass cover plate 1, so that the unique anti-reflection property and low phonon energy characteristic of the second protective layer 22 sodium fluoride film layer can significantly optimize the optical performance of the glass cover plate 1, reduce the phonon energy, and be beneficial to improving the luminous efficiency and the laser damage threshold.

[0044] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings.

[0045] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0046] It should be noted that: similar reference numbers 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.

[0047] Please refer to Figures 1-4 A display screen coating cover plate, comprising a glass cover plate 1, which is transparent; the glass cover plate 1 has a coating base surface 11 on the side facing the top and a receiving base surface 12 on the side facing the bottom;

[0048] A coating layer 2 is coated on the coating base surface 11 of the glass cover plate 1, and the coating layer 2 comprises a first protective layer 21, a second protective layer 22 and a third protective layer 24, wherein the first protective layer 21, the second protective layer 22 and the third protective layer 24 are arranged from top to bottom to form the coating layer 2;

[0049] The third protective layer 24 is a zirconium silicate film layer, which is formed by deposition on the surface of the coating base surface 11, and the bottom layer of zirconium silicate film provides a solid foundation for the entire coating system due to its enhanced mechanical strength and good adhesion;

[0050] The second protective layer 22 is a sodium fluoride film layer, which is formed by deposition on the surface of the first protective layer 21, and the intermediate layer of sodium fluoride film significantly optimizes the optical performance of the glass cover plate 1 and reduces the phonon energy, which is beneficial to improve the luminous efficiency and laser damage threshold due to its unique anti-reflection and low phonon energy characteristics;

[0051] The first protective layer 21 is a hafnium silicate film layer, which is formed by deposition on the surface of the second protective layer 22, and the outermost layer of hafnium silicate film provides a solid protective barrier for the lower film due to its excellent friction resistance, effectively resisting the erosion of the external environment;

[0052] The layered coating design of the first protective layer 21, the second protective layer 22 and the third protective layer 24 not only improves the scratch resistance and wear resistance of the glass cover plate 1, but also significantly enhances its chemical stability and optical performance, providing an ideal solution for high-end application fields;

[0053] As a further optimization of the present embodiment: the thickness of the zirconium silicate film layer is between 20 nm and 40 nm, the thickness of the sodium fluoride film layer is between 10 nm and 30 nm, and the thickness of the hafnium silicate film layer is between 10 nm and 30 nm.

[0054] A display screen assembly comprises a display screen coated cover plate, and further comprises a display screen 3 arranged at the bottom of the glass cover plate 1 and corresponding to the receiving base surface 12, wherein the display screen coated cover plate specifically refers to the display screen coated cover plate in the above-mentioned embodiment 1.

[0055] The display screen 3 comprises an LCD module 31 and a backlight module 32.

[0056] The backlight module 32 comprises a reflective sheet 320, a light guide plate 321, a diffusion film 322 and a brightness enhancement film 323, wherein the reflective sheet 320, the light guide plate 321, the diffusion film 322 and the brightness enhancement film 323 are sequentially laid from bottom to top, and the backlight module 32 further comprises a backlight source 324.

[0057] The backlight source 324 is arranged at one side of the light guide plate 321 and is used for lighting the LCD module 31.

[0058] When the backlight source 324 emits light, the emitted light is uniformly diffused towards the direction of the display screen 3 through the light guiding effect of the light guide plate 321, and the light sequentially passes through the reflective sheet 320 and other structures to further optimize the light, so that after the light of the display screen 3 is displayed through the glass cover plate 1, the optical performance of the glass cover plate 1 can be significantly optimized, the phonon energy is reduced, and the light emitting efficiency and the laser damage threshold are improved.

[0059] Since the display screen assembly in the present embodiment adopts all the technical solutions of the above-mentioned embodiments, it at least has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described here.

[0060] A mobile terminal device comprises a display screen assembly, and further comprises a casing 4, wherein the casing 4 has a containing cavity 41 in the inside of the casing 4, and the containing cavity 41 is in communication with an opening slot 42 of the casing 4, and the display screen assembly specifically refers to the display screen assembly in the above-mentioned embodiment 2.

[0061] The display screen coated cover plate is assembled on the opening slot 42 through optical glue, and the display screen assembly is assembled in the inside of the casing 4 through the containing cavity 41.

[0062] Since the mobile terminal device in the embodiment adopts all the technical solutions of the above-described embodiments, it has all the beneficial effects brought by the technical solutions of the above-described embodiments, which will not be repeated here.

[0063] The use process of the display screen coating cover plate, the display screen assembly and the mobile terminal device is as follows: first, depositing the third protective layer (zirconium silicate film layer) 24 on the coating base surface 11 of the glass cover plate 1, after the coating of the third protective layer 24 is completed, depositing the second protective layer (sodium fluoride film layer) 22 on the surface thereof, and finally depositing the outermost first protective layer (hafnium silicate film layer) 21 on the surface of the second protective layer 22, that is, the coating layer operation on the surface of the glass cover plate 1 is completed.

[0064] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and the like terms should do 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 can communicate with each other;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction of two elements of two elements, unless another definite limitation.For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model in the specific circumstances.

[0065] Obviously, the above-described embodiments are only part of the embodiments of the utility model, 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 solutions recorded in the foregoing specific embodiments can be modified, or some technical features can be replaced equivalently.For equivalent structures made by using the contents of the utility model specification and drawings, direct or indirect use in other related technical fields, are also within the patent protection range of the utility model.

Claims

1. A display screen coating cover plate, characterized by, It includes: The glass cover plate (1) is transparently installed; the glass cover plate (1) has a film-coated base surface (11) on the side facing the top and a receiving base surface (12) on the side facing the bottom; The film-coated layer (2) is coated on the film-coated base surface (11) of the glass cover plate (1), and the film-coated layer (2) includes a first protective layer (21), a second protective layer (22) and a third protective layer (24), wherein the first protective layer (21), the second protective layer (22) and the third protective layer (24) are arranged from top to bottom to form the film-coated layer (2); The second protective layer (22) is a sodium fluoride film layer formed by deposition on the surface of the first protective layer (21).

2. The display screen coated cover plate of claim 1, wherein, The third protective layer (24) is a zirconium silicate film layer formed by deposition on the surface of the film-coated base surface (11).

3. The display screen coated cover plate of claim 2, wherein, The first protective layer (21) is a hafnium silicate film layer formed by deposition on the surface of the second protective layer (22).

4. The display screen coated cover plate of claim 3, wherein, The thickness of the zirconium silicate film layer is between 20 nanometers and 40 nanometers; The thickness of the sodium fluoride film layer is between 10 nanometers and 30 nanometers; The thickness of the hafnium silicate film layer is between 10 nanometers and 30 nanometers.

5. A display screen assembly comprising a display screen cover plate as claimed in any one of claims 1-4, characterized in that It also includes a display screen (3) located at the bottom of the glass cover plate (1) and corresponding to the receiving base surface (12).

6. A display screen assembly according to claim 5, wherein, The display screen (3) includes an LCD module (31) and a backlight module (32).

7. A display screen assembly according to claim 6, wherein, The backlight module (32) includes a reflective sheet (320), a light guide plate (321), a diffusion film (322) and a light enhancement film (323); Wherein, the reflective sheet (320), the light guide plate (321), the diffusion film (322) and the light enhancement film (323) are sequentially laid from bottom to top, and the backlight module (32) further includes a backlight source (324).

8. A display screen assembly according to claim 7, wherein, The backlight source (324) is located on one side of the light guide plate (321) and is used for lighting the LCD module (31).

9. A mobile terminal device comprising a display screen assembly according to claim 8, characterized in that It also includes a housing (4) having a containing cavity (41) inside the housing (4), and the containing cavity (41) is in communication with the opening slot (42) of the housing (4).

10. A mobile terminal device according to claim 9, characterized in that The display screen film-coated cover plate is assembled on the opening slot (42) by optical glue, and the display screen assembly is assembled in the interior of the housing (4) through the containing cavity (41).

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