Single-lens coated glass applied to cupboard
A multilayered glass coating with silicon nitride, nickel-chromium, silicon oxide, and niobium oxide layers addresses the limitations of existing glass cabinet doors by providing single-directional visibility and durability, while being cost-effective and environmentally friendly.
Patent Information
- Application Number
- CN202422070672.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The existing glass cabinet door products have single functions, high costs and harmful environments, and cannot achieve low-cost, pollution-free continuous quantitative production and one-way perspective effects.
The vacuum magnetron sputtering technology is used to form four layers of silicon nitride, nickel chromium, silicon oxide and niobium oxide on the glass substrate. By controlling the thickness ratio of the film layer, a single-lens coated glass is prepared, which has a one-way perspective effect.
It realizes low-cost, pollution-free continuous quantitative production, and the glass has excellent thermal stability and wear resistance, provides one-way perspective features, improves visible light absorption and reflectivity, and is suitable for cabinet decoration.
Smart Images

Figure CN223102904U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of glass magnetron sputtering coating, and specifically relates to a single-lens coated glass applied to a cabinet. Background Technique
[0002] With the development of the urbanization process and the improvement of people's living standards, the demand for decoration and furniture is increasing day by day, which also promotes the rapid development of the furniture glass market. Glass cabinet doors are a commonly used design element in household cabinet decoration. They can enhance the overall beauty of the cabinet, facilitate the user to observe the items inside the cabinet, and are easy to maintain and clean on a daily basis.
[0003] At present, most glass cabinet doors on the market are mainly made of float color glass, Changhong glass, colored glaze glass, screen-printed glass, frosted glass, and acid-etched glass. Most of these products have the disadvantages of low-end products, single product functions, being toxic and harmful, and causing certain pollution to the environment.
[0004] The present invention aims to provide a single-lens coated glass with low cost, no pollution, and continuous quantitative production through the thickness ratio between film layers, which is used for the decoration of cabinets and has the effect of one-way perspective.
[0005] Based on this, the utility model designs a single-lens coated glass applied to a cabinet to solve the above problems. Content of the Utility Model
[0006] The purpose of the utility model is to provide a single-lens coated glass applied to a cabinet to solve the problem mentioned in the above background technique, that is, to provide a single-lens coated glass with low cost, no pollution, and continuous quantitative production through the thickness ratio between film layers, which is used for the decoration of cabinets and has the effect of one-way perspective.
[0007] To achieve the above purpose, the utility model provides the following technical solution: A single-lens coated glass applied to a cabinet, including a glass substrate and a coating layer. The coating layer is sequentially compounded with a first film layer, a second film layer, a third film layer, and a fourth film layer from the glass substrate outwards. The first film layer is set as a silicon nitride layer, and the coating thickness of the first film layer is 50 nm to 55 nm. The second film layer is set as a nickel-chromium layer, and the coating thickness of the second film layer is 10 nm to 15 nm. The third film layer is set as a silicon oxide layer, and the coating thickness of the third film layer is 45 nm to 50 nm. The fourth film layer is set as a niobium oxide layer, and the coating thickness of the fourth film layer is 60 nm to 70 nm.
[0008] Preferably, the sum of the thicknesses of the first film layer, the second film layer, the third film layer, and the fourth film layer is not less than 190 nm and not greater than 230 nm.
[0009] A method for preparing the single-lens coated glass applied to the cabinet, the method comprising the following steps: in a vacuum environment, vacuum magnetron sputtering is performed on the surface of the glass substrate with a target, and a first film layer, a second film layer, a third film layer, and a fourth film layer are sequentially sputtered to form;
[0010] 1), magnetron sputtering coating layer;
[0011] A. Magnetron sputtering the first film layer:
[0012] Number of targets: 2 DC plane targets; Target configuration: nickel-chromium (NiCr); Process gas ratio: pure argon; Sputtering pressure: 2 - 6X10-3 mbar;
[0013] B. Magnetron sputtering the second film layer:
[0014] Number of targets: 1 DC plane target; Target configuration: nickel-chromium (NiCr); Process gas ratio: pure argon; Sputtering pressure: 2 - 5X10-3 mbar;
[0015] C. Magnetron sputtering the third film layer:
[0016] Number of targets: 4 AC rotating targets; Target configuration: silicon-aluminum (SiAl); Process gas ratio: argon and oxygen, the ratio of argon to oxygen is 1.4:1; Sputtering pressure: 2 - 4X10-3 mbar;
[0017] D. Magnetron sputtering the fourth film layer:
[0018] Number of targets: 4 AC rotating targets; Target configuration: niobium oxide (NbOx); Process gas ratio: argon and oxygen, the ratio of argon to oxygen is 20:1; Sputtering pressure: 2 - 5X10-3 mbar;
[0019] Preferably, the transmission speed of the sputtering chamber is controlled at 2 m / min.
[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows: In this coated glass, the first film layer is set as a silicon nitride layer, the second film layer is set as a nickel-chromium layer, and the nickel-chromium (NiCr) layer has the function of increasing the absorption of sunlight, improving the light trapping effect, and can greatly improve the visible light absorption rate. The third film layer is set as a silicon oxide layer, and the fourth film layer is set as a niobium oxide layer. The niobium oxide (NbOx) of the fourth film layer and the silicon oxide (SiOx) of the third film layer are both oxides. The oxide film layer has excellent thermal stability and antioxidant ability. Silicon oxide (SiOx) as the top layer material has excellent abrasion resistance and can better prevent the film layer from being scratched and damaged during single-piece use. Taking the 5mm dark gray substrate coated single piece of this patented technology product as an example, it has the following points: The visible light transmittance color T ∈ [4.5, 5.5], a* ∈ [3, 3.5], b* ∈ [-2, -3]; The visible light film surface reflection color Lg ∈ [86, 90], a* ∈ [-3, -4], b* ∈ [0, 1]; The visible light glass surface reflection color Lf ∈ [23, 25], a* ∈ [0, -1], b* ∈ [0, -1]; The visible light transmittance of the present invention is about 5%, the visible light reflectance of the film surface is about 70%, and the visible light reflectance of the glass surface is about 4%. It has the characteristic of one-way perspective and is used for the decoration of cabinets, with the characteristics of low cost, no pollution, and continuous quantitative production. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0022] Figure 1 It is a schematic diagram of the layered structure of this coated glass.
[0023] In the drawings, the list of components represented by each reference numeral is as follows:
[0024] 1 - The first film layer, 2 - The second film layer, 3 - The third film layer, 4 - The fourth film layer. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.
[0026] Please refer to Figure 1, the present utility model provides a technical solution: a single-lens coated glass applied to a cabinet, including a glass substrate and a coating layer. The coating layer is successively compounded with a first film layer 1, a second film layer 2, a third film layer 3, and a fourth film layer 4 from the glass substrate outwards. The first film layer 1 is set as a silicon nitride layer, and the coating thickness of the first film layer 1 is 50 nm to 55 nm. The second film layer 2 is set as a nickel-chromium layer, and the coating thickness of the second film layer 2 is 10 nm to 15 nm. The third film layer 3 is set as a silicon oxide layer, and the coating thickness of the third film layer 3 is 45 nm to 50 nm. The fourth film layer (4) is set as a niobium oxide layer, and the coating thickness of the fourth film layer 4 is 60 nm to 70 nm.
[0027] Among them, the sum of the thicknesses of the first film layer, the second film layer, the third film layer, and the fourth film layer is not less than 190 nm and not greater than 230 nm.
[0028] In this coated glass, the first film layer 1 is set as a silicon nitride layer, and the second film layer 2 is set as a nickel-chromium layer. The nickel-chromium (NiCr) layer has the function of increasing the absorption of sunlight and enhancing the light-trapping effect, which can greatly improve the visible light absorption rate. The third film layer 3 is set as a silicon oxide layer, and the fourth film layer 4 is set as a niobium oxide layer. The niobium oxide (NbOx) of the fourth film layer 4 and the silicon oxide (SiOx) of the third film layer 3 are both oxides. The oxide film layer has excellent thermal stability and antioxidant ability. Silicon oxide (SiOx) as the top layer material has excellent abrasion resistance and can better prevent the film layer from being scratched and damaged during single-piece use. Taking a 5 mm dark gray substrate coated single-piece as an example, the products of this patented technology have the following points: the visible light transmittance color T ∈ [4.5, 5.5], a* ∈ [3, 3.5], b* ∈ [-2, -3]; the visible light film surface reflection color Lg ∈ [86, 90], a* ∈ [-3, -4], b* ∈ [0, 1]; the visible light glass surface reflection color Lf ∈ [23, 25], a* ∈ [0, -1], b* ∈ [0, -1]; the visible light transmittance of the present invention is about 5%, the visible light reflectance of the film surface is about 70%, and the visible light reflectance of the glass surface is about 4%. It has the characteristic of one-way perspective and is used for the decoration of the cabinet, with the characteristics of low cost, pollution-free, and continuous quantitative production.
[0029] A method for preparing a single-lens coated glass applied to a cabinet, this method includes the following steps: in a vacuum environment, use a target to perform vacuum magnetron sputtering on the surface of the glass base layer, and successively sputter to form a first film layer, a second film layer, a third film layer, and a fourth film layer;
[0030] 1), magnetron sputtering coating layer;
[0031] A. Magnetron sputtering the first film layer:
[0032] Number of targets: 2 DC planar targets; Target configuration: Nickel Chromium (NiCr); Process gas ratio: Pure argon; Sputtering gas pressure: 2 - 6X10-3 mbar;
[0033] B. Magnetron sputtering of the second film layer:
[0034] Number of targets: 1 DC planar target; Target configuration: Nickel Chromium (NiCr); Process gas ratio: Pure argon; Sputtering gas pressure: 2 - 5X10-3 mbar;
[0035] C. Magnetron sputtering of the third film layer:
[0036] Number of targets: 4 AC rotating targets; Target configuration: Silicon Aluminum (SiAl); Process gas ratio: Argon and oxygen, with a ratio of argon to oxygen of 1.4:1; Sputtering gas pressure: 2 - 4X10-3 mbar;
[0037] D. Magnetron sputtering of the fourth film layer:
[0038] Number of targets: 4 AC rotating targets; Target configuration: Niobium Oxide (NbOx); Process gas ratio: Argon and oxygen, with a ratio of argon to oxygen of 20:1; Sputtering gas pressure: 2 - 5X10-3 mbar;
[0039] 2). The transmission speed of the sputtering chamber is controlled at 2 m / min.
[0040] The glass substrate is dark gray float glass with a thickness of 4 - 12 mm.
[0041] Examples 1 - 4
[0042] A single - lens coated glass applied to a cabinet and its preparation method, comprising the following steps:
[0043] A: Select a glass substrate, cut it to a predetermined size with a cutting machine, with the air side of the substrate facing up, clean it with a cleaning machine, and dry the moisture with an air knife.
[0044] B: Send the cleaned substrate into the vacuum magnetron sputtering chamber, and sputter each coating layer in sequence. The specific parameters are shown in Table 1
[0045] Table 1
[0046]
[0047] Measure the optical properties of the glass prepared in the above Examples 1 - 4. The test results are shown in Table 2:
[0048] Table 2
[0049] Example 1 Example 2 Example 3 Example 4 Visible light transmittance (%) 5.5 5.1 4.9 4.6 Transmission color a* value 3.2 3.1 3.2 3.3 Transmission color b* value -2.2 -2.3 -2.2 -3.4 Glass surface reflection luminance L* value 23.8 23.2 23.4 24.2 Glass surface reflection color a* value -0.2 -0.5 -0.8 0.2 Glass surface reflection color b* value -0.8 -0.2 -0.5 -0.2 Film surface reflection luminance L* value 88.6 88.2 88.7 89.5 Film surface reflection color a* value -3.8 -3.2 -3.9 -3.3 Film surface reflection color b* value 0.2 0.2 0.3 0.8
[0050] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains may make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
[0051] The preferred embodiments of the present utility model disclosed above are only used to assist in the description of the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present utility model, so that those skilled in the art can well understand and utilize the present utility model. The present utility model is only limited by the claims and their full scope and equivalents.
Claims
1. A single-lens coated glass applied to a cabinet, comprising a glass substrate and a coating layer, characterized in that: The coating layer is successively compounded with a first film layer (1), a second film layer (2), a third film layer (3) and a fourth film layer (4) from the glass substrate outwards. The first film layer (1) is set as a silicon nitride layer, and the coating thickness of the first film layer (1) is 50 nm to 55 nm. The second film layer (2) is set as a nickel-chromium layer, and the coating thickness of the second film layer (2) is 10 nm to 15 nm. The third film layer (3) is set as a silicon oxide layer, and the coating thickness of the third film layer (3) is 45 nm to 50 nm. The fourth film layer (4) is set as a niobium oxide layer, and the coating thickness of the fourth film layer (4) is 60 nm to 70 nm.
2. The single-lens coated glass applied to a cabinet according to claim 1, wherein: The sum of the thicknesses of the first film layer, the second film layer, the third film layer and the fourth film layer is not less than 190 nm and not greater than 230 nm.