Coated cover plate with three high-hardness film layers

Abstract

The embodiment of the utility model belongs to the technical field of cover plates. The utility model also relates to a coated cover plate with three high-hardness film layers, which comprises a base plate layer, the three high-hardness film layers are arranged on the front surface of the base plate layer and are formed by sequentially stacking a niobium carbide layer, a titanium carbide layer and a titanium nitride layer, and the niobium carbide layer, the titanium carbide layer and the titanium nitride layer are arranged on the front surface of the base plate layer. And the niobium carbide layer, the titanium carbide layer and the titanium nitride layer are matched for protection of the substrate layer. The niobium carbide layer, the titanium carbide layer and the titanium nitride layer are arranged on the front face of the substrate layer, the niobium carbide layer, the titanium carbide layer and the titanium nitride layer are matched to form a firm and abrasion-resistant front face coating film, daily abrasion and scratching are effectively resisted, the service life of a product is prolonged, and the reliability of the product is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cover plate, more particularly to a kind of film-coated cover plate with three high-hardness film layers. BACKGROUND

[0002] With the progress of science and technology and the continuous improvement of consumer's appearance and durability requirements of product, traditional glass cover plate has been difficult to meet the needs of high-end electronic equipment and ornaments, in prior art, glass cover plate has certain transparency and strength, but the effect is poor in scratch resistance, corrosion resistance, still needs to be improved, especially in the application scenarios needing frequent contact and exposure in complex environment, such as smart phone, tablet computer and high-end watch etc., the performance of surface film-coated layer is directly related to the service life of product and user experience.Therefore we improve it, and propose a kind of film-coated cover plate with three high-hardness film layers. SUMMARY

[0003] The technical problem to be solved by the embodiment of the utility model is that glass cover plate still needs to be improved in scratch resistance, corrosion resistance and aesthetic appearance.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme as follows:

[0005] A kind of film-coated cover plate with three high-hardness film layers, comprising: substrate layer, the front of the substrate layer is provided with three high-hardness film layers, the three high-hardness film layers are provided by the carbonization niobium layer, titanium carbide layer and titanium nitride layer stacked in sequence, carbonization niobium layer, titanium carbide layer and titanium nitride layer cooperate for the protection of substrate layer.The application is provided with carbonization niobium layer, titanium carbide layer and titanium nitride layer on the front of substrate layer, carbonization niobium layer, titanium carbide layer and titanium nitride layer cooperate to form firm and wear-resistant front film-coated layer, effectively resist daily wear and tear and scratch, prolong the service life of product, improve the reliability of product.

[0006] As an improved way of the utility model, the substrate layer is glass substrate.

[0007] As an improved way of the utility model, the carbonization niobium layer is bottom layer, for providing the bonding force of three high-hardness film layers and substrate layer, and the carbonization niobium layer is the substrate provided by titanium carbide layer.

[0008] As an improved way of the utility model, the titanium carbide layer and titanium nitride layer cooperate to form the protection structure of substrate layer.

[0009] As an improved way of the utility model, the thickness of carbonization niobium layer is 2-5 nanometers, the thickness of titanium carbide layer is 5-10 nanometers, and the thickness of titanium nitride layer is 5-10 nanometers.

[0010] As an improved mode of the utility model, the back of the substrate layer is provided with a photosensitive color-changing ink layer.

[0011] As an improved mode of the utility model, the substrate layer has a viewing area and a non-viewing area, and the photosensitive color-changing ink layer is arranged on the back of the non-viewing area of the substrate layer, so that the visual effect of the photosensitive color-changing ink layer on the viewing area is reduced, the display clarity and functional integrity of the product during normal use are ensured, the photosensitive color-changing ink layer is arranged on the non-viewing area, the main display area or functional operation area of the product is ensured not to be affected by the color-changing effect, the decoration and personalization of the appearance of the product are realized, the display content of the screen is ensured to be clear and visible, the function and the decoration of the product can coexist harmoniously, and the use experience of the user and the practicability of the product are improved.

[0012] As an improved mode of the utility model, the photosensitive color-changing ink layer is provided with a protective layer away from one side of the substrate layer, and the protective layer is used for protecting the photosensitive color-changing ink layer.

[0013] As an improved mode of the utility model, the protective layer is a nickel fluoride protective layer, the nickel fluoride protective layer is arranged on the side of the photosensitive color-changing ink layer away from the substrate layer, the nickel fluoride protective layer effectively reduces the scratching and abrasion of the photosensitive color-changing ink layer, and improves the chemical stability and antibacterial performance of the whole.

[0014] As an improved mode of the utility model, the thickness of the photosensitive color-changing ink layer is 8-12 microns, and the thickness of the nickel fluoride protective layer is 1-2 microns.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In order to solve the problems that the glass cover plate in the prior art still needs to be improved in terms of scratch resistance, corrosion resistance and appearance, the utility model discloses a carbonized niobium layer, a carbonized titanium layer and a titanium nitride layer are arranged on the front surface of the substrate layer, the carbonized niobium layer, the carbonized titanium layer and the titanium nitride layer cooperate to form a firm and wear-resistant front surface coating, effectively resisting daily wear and tear and scratches, prolonging the service life of the product and improving the reliability of the product. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure schematic view of the coated cover plate with three high-hardness film layers is provided in the utility model;

[0018] Figure 2 The bottom view structure schematic view of the coated cover plate with three high-hardness film layers is provided in the utility model;

[0019] Figure 3 A partial bottom view schematic diagram of the coated cover plate with three high-hardness film layers is provided in the present application;

[0020] Figure 4 An exploded view of the coated cover plate with three high-hardness film layers is provided in the present application.

[0021] Indicated in the figure:

[0022] 1, substrate layer; 2, niobium carbide layer; 3, titanium carbide layer; 4, titanium nitride layer; 5, photosensitive color-changing ink layer; 6, nickel fluoride protective layer. DETAILED DESCRIPTION

[0023] 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 application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the term "exemplary" means that an example is being described, but does not necessarily mean that the example is preferred or optimal. The terms "comprises", "comprising", "includes", "including", "has", "having" and the like are used synonymously to denote a non-exclusive inclusion, such that the process, method, article, composition of matter, or apparatus that comprises the recited elements does not include only those recited elements, but also can include other elements not recited. The terms "about" and "substantially" mean that a value is within a range of values that one of ordinary skill in the art would consider to be the value of interest, for example, within 20% of the value.

[0024] As described in the background, in the prior art, although the glass cover plate has certain transparency and strength, the anti-scratching and corrosion resistance are poor, which still needs to be improved, especially in application scenarios that need to be frequently contacted and exposed to complex environments, such as smart phones, tablet computers, and high-end watches, etc., the performance of the surface coating layer of the product is directly related to the service life and user experience of the product.

[0025] In order to solve this technical problem, the present application provides a coated cover plate with three high-hardness film layers.

[0026] Specifically, referring to Figures 1-4 , the coated cover plate with three high-hardness film layers specifically comprises:

[0027] The substrate layer 1 has a three high-hardness film layer on the front surface, and the three high-hardness film layer is formed by sequentially stacking a niobium carbide layer 2, a titanium carbide layer 3, and a titanium nitride layer 4, and the niobium carbide layer 2, the titanium carbide layer 3, and the titanium nitride layer 4 cooperate to protect the substrate layer 1.

[0028] The film-coated cover plate with the three-layer high-hardness film layer has the niobium carbide layer 2, the titanium carbide layer 3 and the titanium nitride layer 4 arranged on the front surface of the substrate layer 1, the niobium carbide layer 2, the titanium carbide layer 3 and the titanium nitride layer 4 cooperatively form the front surface film coating which is firm and wear-resistant, effectively resists daily wear and tear and scratches, prolongs the service life of the product and improves the reliability of the product.

[0029] In order for those skilled in the art to 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.

[0030] 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.

[0031] 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 the subsequent drawings.

[0032] The embodiment one of the film-coated cover plate with the three-layer high-hardness film layer

[0033] Please refer to Figures 1-4 The film-coated cover plate with the three-layer high-hardness film layer comprises: a substrate layer 1, the front surface of the substrate layer 1 is provided with a three-layer high-hardness film layer, the three-layer high-hardness film layer is arranged by sequentially stacking a niobium carbide layer 2, a titanium carbide layer 3 and a titanium nitride layer 4, and the niobium carbide layer 2, the titanium carbide layer 3 and the titanium nitride layer 4 are cooperatively used for protecting the substrate layer 1; the niobium carbide layer 2, the titanium carbide layer 3 and the titanium nitride layer 4 are arranged on the front surface of the substrate layer 1, cooperatively form the front surface film coating which is firm and wear-resistant, effectively resist daily wear and tear and scratches, prolong the service life of the product and improve the reliability of the product.

[0034] Further, the substrate layer 1 is a glass substrate, the substrate layer 1 serves as the base of the whole structure, provides the necessary strength and transparency, ensures that the product has a certain structural support capacity, at the same time ensures that the light can pass through well, so that the product has the protection function at the same time without affecting its optical performance, the transparency of the glass substrate meets the requirements of light transmission in most application scenarios, for example in the application fields of display screen, optical instrument window, etc., can clearly present images, characters or light transmission, not only realizes the protection of internal elements, but also does not interfere with the normal optical display and propagation function, provides a powerful guarantee for the multifunctional application of the product.

[0035] Further, the niobium carbide layer 2 is a bottom layer for providing the bonding force of the three-layer high-hardness film layer and the substrate layer 1, and the niobium carbide layer 2 provides a substrate for the titanium carbide layer 3; the niobium carbide has high hardness, high melting point and good chemical stability, and can enhance the bonding force of the three-layer high-hardness film layer and the substrate layer 1 as a bottom layer, and provide a stable substrate for the subsequent layers; and greatly enhance the adhesion stability of the three-layer high-hardness film layer, so that the film layers are closely combined and are not easy to delaminate or fall off, thereby ensuring the integrity of the protective structure; the high hardness of the niobium carbide enables it to form a stable adhesion point on the surface of the substrate layer 1, the high melting point characteristic enables it to maintain structural stability under various temperature environments and is not easy to deform or soften, and the good chemical stability effectively reduces the chemical reaction between the substrate layer 1 or the external environment and the niobium carbide, thereby reducing the bonding force; and the characteristics enable it to be firmly attached to the substrate layer 1.

[0036] Further, the titanium carbide layer 3 and the titanium nitride layer 4 cooperate to form the protective structure of the substrate layer 1; the titanium carbide not only has high hardness, but also has good wear resistance, and can further increase the hardness and wear resistance of the three-layer high-hardness film layer; and the titanium nitride also has high hardness and excellent corrosion resistance, thereby further strengthening the protection capability of the product and significantly improving the resistance of the product to wear and corrosion, so that the product can adapt to more complex use environments; the high hardness and wear resistance of the titanium carbide enable it to effectively reduce surface wear and maintain integrity and protection performance when facing frequent friction in daily use, such as wiping, touching, sand impact and the like; the high hardness and corrosion resistance of the titanium nitride play a key role when facing the erosion of various chemicals, such as acid and alkali solutions, humid air, oxidation environment and the like, thereby reducing the failure of the film layer caused by chemical corrosion; the two complement each other and jointly build a more comprehensive and powerful protection system, thereby prolonging the service life of the product and reducing maintenance costs.

[0037] The embodiment two of the film-coated cover plate with the three-layer high-hardness film layer

[0038] Further, the thickness of the niobium carbide layer 2 is 2 nanometers, the thickness of the titanium carbide layer 3 is 5 nanometers, and the thickness of the titanium nitride layer 4 is 5 nanometers.

[0039] The embodiment three of the film-coated cover plate with the three-layer high-hardness film layer

[0040] Further, the thickness of the niobium carbide layer 2 is 4 nanometers, the thickness of the titanium carbide layer 3 is 7 nanometers, and the thickness of the titanium nitride layer 4 is 8 nanometers.

[0041] The embodiment four of the film-coated cover plate with the three-layer high-hardness film layer

[0042] The film-coated cover plate with three high-hardness film layers further has that the thickness of the niobium carbide layer 2 is 5 nanometers, the thickness of the titanium carbide layer 3 is 10 nanometers, and the thickness of the titanium nitride layer 4 is 10 nanometers.

[0043] The film-coated cover plate with three high-hardness film layers of the utility model further has that

[0044] The film-coated cover plate with three high-hardness film layers further has that Figure 1 As shown in the figure, the back of the substrate layer 1 is provided with a photosensitive color-changing ink layer 5, the photosensitive color-changing ink layer 5 is formed by using photosensitive color-changing ink, can change color according to light change, provides dynamic effect on vision, increases the interestingness and the aesthetic of the product, gives the product unique visual characteristics, greatly enhances the attraction and the decorative of the product, meets the demand of the consumer to the individualization and the beauty, the photosensitive color-changing ink can sensitively perceive the change of light intensity, wavelength and the like, thereby triggering the change of its own color, this dynamic color-changing effect can instantly attract people's visual attention, makes the product stand out in appearance, is different from the product of traditional single color or static pattern, improves the added value and the market popularity of the product.

[0045] Further, as shown in the figure, Figure 1 The substrate layer 1 has a viewing area and a non-viewing area, and the photosensitive color-changing ink layer 6 is arranged on the back of the non-viewing area of the substrate layer 1, so as to reduce the interference of the photosensitive color-changing ink layer 6 on the visual effect of the viewing area, ensure the display clarity and functional integrity of the product in normal use, arrange the photosensitive color-changing ink layer 5 in the non-viewing area, can ensure that the main display area or functional operation area of the product is not affected by the color-changing effect, realize the decoration and individualization of the product appearance, and ensure that the screen display content is clear and visible, so that the function and the decorative of the product can coexist in harmony, improve the user experience and the practicability of the product.

[0046] The one side of the photosensitive color-changing ink layer 5 away from the substrate layer 1 is provided with a protective layer, the protective layer is used for the protection of the photosensitive color-changing ink layer 5, protects the photosensitive color-changing ink layer 5 from physical damage and chemical corrosion outside, prolongs its service life, and ensures the long-term stability of its color-changing function.

[0047] Further, as shown in the figure, Figure 3 And Figure 4 The protective layer is a nickel fluoride protective layer 6, the nickel fluoride protective layer 6 is arranged on the one side of the photosensitive color-changing ink layer 5 away from the substrate layer 1, the nickel fluoride has high hardness, good wear resistance and chemical stability, the nickel fluoride protective layer 6 effectively reduces the scratching or wear of the photosensitive color-changing ink layer 5, simultaneously resists the erosion of chemical substances, and improves the overall chemical stability and antibacterial performance.

[0048] The utility model discloses a film-coated cover plate with three high-hardness film layers

[0049] The utility model discloses a film-coated cover plate with three high-hardness film layers further, the thickness of photosensitive color-changing ink layer 5 is 8 microns, the thickness of nickel fluoride protective layer 6 is 2 microns.

[0050] The utility model discloses a film-coated cover plate with three high-hardness film layers

[0051] The utility model discloses a film-coated cover plate with three high-hardness film layers further, the thickness of photosensitive color-changing ink layer 5 is 10 microns, the thickness of nickel fluoride protective layer 6 is 1 micron.

[0052] The utility model discloses a film-coated cover plate with three high-hardness film layers

[0053] The utility model discloses a film-coated cover plate with three high-hardness film layers further, the thickness of photosensitive color-changing ink layer 5 is 12 microns, the thickness of nickel fluoride protective layer 6 is 2 microns.

[0054] Obviously, the above described embodiments are only a part of the embodiments of the utility model, and are not all the embodiments, and the preferable 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 contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Although the utility model is explained in detail with reference to the foregoing embodiments, for the person skilled in the art, still can modify the technical scheme recorded in the foregoing each specific embodiment, or equivalent replacement to part technical features. The equivalent structure that utilizes the utility model specification and the drawings contents, directly or indirectly applies in other related technical field, is in the utility model patent protection range.

Claims

1. A coated cover plate having three high-hardness film layers, characterized in that, Comprise: The substrate layer (1) is provided with a three-layer high-hardness film layer on the front surface, the three-layer high-hardness film layer is provided by sequentially stacking the niobium carbide layer (2), the titanium carbide layer (3) and the titanium nitride layer (4), and the niobium carbide layer (2), the titanium carbide layer (3) and the titanium nitride layer (4) cooperate to protect the substrate layer (1).

2. The film-coated cover plate with three layers of high-hardness film layers according to claim 1, characterized in that, The substrate layer (1) is a glass substrate. 3.The film-coated cover plate with a three-layer high-hardness film layer according to claim 1, characterized in that, The niobium carbide layer (2) is a bottom layer, which provides the bonding force of the three-layer high-hardness film layer and the substrate layer (1), and the niobium carbide layer (2) provides a substrate for the titanium carbide layer (3). 4.The film-coated cover plate with a three-layer high-hardness film layer according to claim 1, characterized in that, The titanium carbide layer (3) and the titanium nitride layer (4) cooperate to form a protective structure of the substrate layer (1). 5.The film-coated cover plate with a three-layer high-hardness film layer according to claim 1, characterized in that, The thickness of the niobium carbide layer (2) is 2-5 nanometers, the thickness of the titanium carbide layer (3) is 5-10 nanometers, and the thickness of the titanium nitride layer (4) is 5-10 nanometers. 6.The film-coated cover plate with a three-layer high-hardness film layer according to claim 1, characterized in that, The back surface of the substrate layer (1) is provided with a photosensitive color-changing ink layer (5). 7.The film-coated cover plate with a three-layer high-hardness film layer according to claim 6, characterized in that, The substrate layer (1) has a viewing area and a non-viewing area, and is provided on the back surface of the non-viewing area of the substrate layer (1). 8.The film-coated cover plate with a three-layer high-hardness film layer according to claim 6 or 7, characterized in that, The photosensitive color-changing ink layer (5) is provided with a protective layer away from one side of the substrate layer (1), and the protective layer is used for the protection of the photosensitive color-changing ink layer (5). 9.The film-coated cover plate with a three-layer high-hardness film layer of claim 8, characterized in that, The protective layer is a nickel fluoride protective layer (6), which is provided on the side of the photosensitive color-changing ink layer (5) away from the substrate layer (1). 10.The film-coated cover plate with a three-layer high-hardness film layer of claim 9, characterized in that, The thickness of the photosensitive color-changing ink layer (5) is 8-12 microns, and the thickness of the nickel fluoride protective layer (6) is 1-2 microns.

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