Defocus glasses with multiple functions of blue light protection, infrared protection and fingerprint protection and preparation method thereof

Abstract

The present invention discloses a defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection and a preparation method thereof, belonging to the technical field of glasses preparation. In the present invention, an electron gun vacuum coating device is used. In a vacuum state, a high-energy electron beam emitted by the electron gun bombards rare earth blue light protection materials, infrared reflective materials and waterproof oleophobic pills and other coating materials, so that the materials obtain sufficient energy for melting and evaporation or direct sublimation. At the same time, an ion source is used to excite the inert gas and obtain huge kinetic energy, thereby assisting the coating of the evaporated or sublimated coating material particles, accelerating the deposition of the coating material particles on the substrate surface, and forming a uniform and dense functional nano film, so that the product can ensure the harmful blue light absorption effect while not causing color imbalance due to excessive blue light absorption. In addition, the concave and convex surfaces of the product are coated with an AF waterproof oleophobic film layer, which has anti-fingerprint effect and a smooth touch, is easy to clean and not easy to get dirty.

Description

Technical Field

[0001] The present invention belongs to the technical field of glasses preparation, and specifically relates to a defocus glasses with multiple functions of blue light protection, infrared protection and fingerprint protection, and a preparation method thereof. Background Art

[0002] Myopia is currently the main cause of vision problems in children and adolescents. Among the many myopia prevention and control methods, defocus glasses that can delay the development of myopia are becoming more and more popular. With the advancement of myopia prevention and control work, defocus glasses products are slowly entering the public's field of vision. Nowadays, mobile phones, computers and other electronic products are flooding people's daily lives. Staring at electronic screens for a long time will cause the eyes to absorb excessive high-frequency, high-energy, short-wave blue light, leading to rapid aging of retinal photoreceptor cells and causing vision damage. In addition, the heat damage caused by strong infrared rays to the human eye cannot be ignored. Defocus glasses are an innovative vision correction tool. Its main design concept is to control the growth of the eye axis through a special lens design, thereby delaying the development of myopia. The lenses of this type of glasses are different from traditional single-focus lenses. They use a multi-zone progressive lens design, which divides the lens surface into multiple areas, including a central clear vision area, a peripheral defocus area, and a transition area.

[0003] However, the defocus glasses currently on the market generally do not have the functions of blocking blue light and infrared, so there is an urgent need for a defocus glasses with the functions of blocking blue light and infrared, which can reduce the damage of blue light, infrared, etc. to the eyes while correcting vision and preventing myopia, and better protect the health of the eyes. Summary of the invention

[0004] The purpose of the present invention is to provide a defocused glasses having multiple functions of blue light protection, infrared protection and fingerprint protection and a preparation method thereof in order to solve the above-mentioned problems.

[0005] The technical solution adopted by the present invention is as follows: a defocus glasses with multiple functions of blue light protection, infrared protection and fingerprint protection, the film of the defocus glasses is provided with AF waterproof oleophobic layer 1, silica layer 1, anti-blue light film layer, silica layer 2, defocus glasses lens, silica layer 3, anti-infrared film layer, silica layer 4 and AF waterproof oleophobic layer 2, the lower surface of the AF waterproof oleophobic layer 1 is provided with silica layer 1, the lower surface of the silica layer 1 is provided with an anti-blue light film layer, the lower surface of the anti-blue light film layer is provided with silica layer 2, the side surface of the silica layer 2 away from the anti-blue light film layer is provided with defocus glasses lens, the lower surface of the defocus glasses lens is provided with silica layer 3, the side surface of the silica layer 3 opposite to the defocus glasses lens is provided with an anti-infrared film layer, the lower surface of the anti-infrared film layer is provided with silica layer 4, and the side surface of the silica layer 4 opposite to the anti-infrared film layer is provided with AF waterproof oleophobic layer 2.

[0006] In a preferred embodiment, the preparation method produces the defocus glasses as claimed in claim 1.

[0007] The preparation method comprises the following steps:

[0008] S1: Place the defocus lens on a special fixture, use a cleaning agent and deionized water for ultrasonic cleaning, and use a blower dryer to dry the cleaned substrate at a temperature of 50-80°C;

[0009] S2: Place the dried defocused lens with the concave surface facing downward on the umbrella stand of the vacuum coating machine and fix it. At the same time, add rare earth anti-blue light coating material and silica particles into the crucible, and add waterproof and oleophobic pills into the tungsten boat;

[0010] S3: closing the hatch, setting the deposition rate and film thickness parameters of the coating material, and running the vacuum coating machine to perform the vacuum coating process;

[0011] S4: After the concave surface coating of the defocused lens is completed, the hatch is opened to turn the defocused lens over so that the convex surface faces downward, and at the same time, the rare earth anti-blue light coating material in the crucible is taken out, and the anti-infrared coating material is added, and new waterproof and oleophobic pills are added to the tungsten boat, and step S3 is repeated;

[0012] S5: After the convex surface coating of the defocused lens is completed, the hatch is opened to take out the lens, and the lens is polished according to a preset shape using an automatic edge grinder, and the polished lens is assembled with the relevant frame;

[0013] S6: Inspect and package the assembled defocused glasses products, and then the entire preparation process of the defocused glasses with multiple functions of anti-blue light, anti-infrared and anti-fingerprint can be completed.

[0014] In a preferred embodiment, in the step S1, the defocused lens is first placed on a special fixture and ultrasonically cleaned with a neutral or weakly alkaline cleaning agent to ensure that grease, dust and impurities on the lens surface are completely removed; the ultrasonic cleaning time is controlled within 5 to 10 minutes to ensure the cleaning effect; after cleaning, it is rinsed with deionized water to remove residual cleaning agent; finally, the cleaned lens is placed in a blower dryer for drying, and the temperature is controlled at 60°C to avoid deformation or damage of the lens caused by excessive temperature; the surface of the lens after cleaning and drying will be cleaner and smoother, ready for the subsequent coating process.

[0015] In a preferred embodiment, in step S2, the vacuum degree of the vacuum coating machine is controlled at 4.5×10^-3Pa to ensure a smooth coating process; the deposition rate of the rare earth anti-blue light coating material is controlled at 0.1-0.5nm / s to ensure a uniform and dense film layer; the film thickness of the silica granule material is controlled at 90-100nm to enhance the adhesion of the anti-blue light film layer; the type and quantity of the waterproof and oleophobic pills are adjusted according to the specific situation to obtain the best waterproof and oleophobic effect.

[0016] In a preferred embodiment, in step S3, a vacuum coating machine is operated, and in a vacuum state, a high-energy electron beam emitted by an electron gun bombards rare earth anti-blue light materials, infrared reflective materials and waterproof oleophobic pill coating materials, so that the materials obtain sufficient energy for melting, evaporation or direct sublimation; at the same time, an ion source is used to excite the inert gas and make it obtain huge kinetic energy, thereby assisting the coating of evaporated or sublimated coating material particles, accelerating the deposition of coating material particles onto the substrate surface, and forming a uniform and dense functional nanofilm.

[0017] In a preferred embodiment, in step S4, new waterproof and oleophobic pills are replaced in the tungsten boat; the vacuum degree of the vacuum coating machine is controlled at 4.5×10^-3Pa to ensure a smooth coating process; the film thickness of the anti-infrared coating material is controlled at 300-500nm to ensure a good infrared reflection effect; silica particles also need to be added to the convex coating process to enhance the adhesion of the anti-infrared film layer; after the convex coating is completed, the defocus glasses will have an infrared protection function, which can greatly reduce the intensity of infrared rays entering the eyes and protect the eyes from thermal burns.

[0018] In a preferred embodiment, in step S5, for harder lens materials, the grinding speed is appropriately reduced to avoid excessive wear; after grinding, a measuring tool is used to check the edge size and shape of the lens to ensure that it meets the design requirements; the chamfer angle of the lens edge is set to 45 degrees to ensure wearing comfort; finally, the polished lens is assembled with the relevant frame to ensure that the lens is firmly fixed on the frame, and appropriate adjustments are made to ensure that the optical center of the lens is aligned with the wearer's pupil.

[0019] In a preferred embodiment, in step S6, the transmittance is measured using a spectrophotometer to ensure that the transmittance of the lens to visible light is above 80%; the infrared reflectivity is measured using an infrared spectrometer to ensure that it meets the design requirements; the blue light absorbance is measured using an ultraviolet-visible spectrophotometer to ensure that it meets the design requirements; the qualified defocused eyewear products are packaged; the packaging method is selected according to the size and shape of the lenses, and dust bags and cardboard boxes are used for packaging to ensure that the lenses are not damaged during transportation and storage.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0021] 1. In the present invention, an electron gun vacuum coating equipment is used. Under a vacuum state (4.5×10-3Pa), the high-energy electron beam emitted by the electron gun bombards rare earth anti-blue light materials, infrared reflective materials, waterproof and oleophobic (AF) pills and other coating materials, so that the materials obtain sufficient energy for melting and evaporation or direct sublimation. At the same time, an ion source is used to excite the inert gas and make it obtain huge kinetic energy, thereby assisting the coating of the evaporated or sublimated coating material particles, accelerating the deposition of the coating material particles on the substrate surface, and forming a uniform and dense functional nano-thin film, so that the defocused glasses products have multiple functions such as blue light protection, infrared protection and fingerprint protection.

[0022] 2. In the present invention, the defocused glasses obtained have been tested to have an average transmittance of more than 80%, ensuring clarity during daily wear, an infrared reflectivity of 50%, which effectively protects the eyes from thermal burns caused by infrared rays, and an absorption rate of harmful blue light adjustable between 20% and 30%, so that the product can ensure the absorption effect of harmful blue light without causing color imbalance due to excessive absorption of blue light. In addition, the concave and convex surfaces of the product are coated with an AF waterproof and oleophobic film layer, which has anti-fingerprint effect and a smooth touch, is easy to clean and not easy to get dirty. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of glasses of the present invention;

[0024] Figure 2 It is a schematic diagram of the process principle of the present invention.

[0025] Markings in the figure: 1-AF waterproof oleophobic layer 1, 2-silicon dioxide layer 1, 3-anti-blue light film layer, 4-silicon dioxide layer 2, 5-defocused glasses lens, 6-silicon dioxide layer 3, 7-anti-infrared film layer, 8-silicon dioxide layer 4, 9-AF waterproof oleophobic layer 2. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0027] Reference Figure 1-2 ,

[0028] Embodiment 1:

[0029] A defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection, wherein the defocused glasses are provided with an AF waterproof oleophobic layer 1, a silicon dioxide layer 2, an anti-blue light film layer 3, a silicon dioxide layer 2 4, a defocused glasses lens 5, a silicon dioxide layer 3 6, an anti-infrared film layer 7, a silicon dioxide layer 4 8 and an AF waterproof oleophobic layer 2 9, a silicon dioxide layer 2 is provided on the lower surface of the AF waterproof oleophobic layer 1, a silicon dioxide layer 2 is provided on the lower surface of the silicon dioxide layer 2, and an anti-blue light film layer 3 is provided. A silicon dioxide layer 2 4 is arranged on the lower surface of layer 3, a defocused eyeglass lens 5 is arranged on the side surface of the silicon dioxide layer 2 4 away from the anti-blue light film layer 3, a silicon dioxide layer 3 6 is arranged on the lower surface of the defocused eyeglass lens 5, an anti-infrared film layer 7 is arranged on the side surface of the silicon dioxide layer 3 6 opposite to the defocused eyeglass lens 5, a silicon dioxide layer 4 8 is arranged on the lower surface of the anti-infrared film layer 7, and an AF waterproof and oleophobic layer 2 9 is arranged on the side surface of the silicon dioxide layer 4 8 opposite to the anti-infrared film layer 7.

[0030] A method for preparing defocus glasses with multiple functions of blue light protection, infrared protection and fingerprint protection comprises the following steps:

[0031] S1: Place the defocus lens on a special fixture, use a cleaning agent and deionized water for ultrasonic cleaning, and use a blower dryer to dry the cleaned substrate at a temperature of 50-80°C;

[0032] S2: Place the dried defocused lens with the concave surface facing downward on the umbrella stand of the vacuum coating machine and fix it. At the same time, add rare earth anti-blue light coating material and silica particles into the crucible, and add waterproof oleophobic (AF) pills into the tungsten boat;

[0033] S3: closing the hatch, setting the deposition rate and film thickness of the coating material and other parameters, and running the vacuum coating machine to perform the vacuum coating process;

[0034] S4: After the concave surface coating of the defocused lens is completed, the hatch is opened to turn the defocused lens over so that the convex surface faces downward, and at the same time, the rare earth anti-blue light coating material in the crucible is taken out, and the anti-infrared coating material is added, and new waterproof oleophobic (AF) pills are added and replaced in the tungsten boat, and step S3 is repeated;

[0035] S5: After the convex surface coating of the defocused lens is completed, the hatch is opened to take out the lens, and the lens is polished according to a preset shape using an automatic edge grinder, and the polished lens is assembled with a corresponding frame;

[0036] S6: Inspect and package the assembled defocused glasses products, and then the entire preparation process of the defocused glasses with multiple functions of anti-blue light, anti-infrared and anti-fingerprint can be completed.

[0037] In step S1, cleaning and drying: use a neutral or weak alkaline cleaning agent to perform ultrasonic cleaning for 5 to 10 minutes, then rinse with deionized water, and finally dry in a blower dryer at a temperature of 60-80°C.

[0038] In step S2, the vacuum degree of the vacuum coating machine should be controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process. The deposition rate of the rare earth anti-blue light coating material is controlled at 0.1-0.5nm / s to ensure that the film layer is uniform and dense. The film thickness of the silica granule material is controlled at 90-100nm to enhance the adhesion of the anti-blue light film layer. The type and quantity of waterproof and oleophobic (AF) pills should be adjusted according to the specific situation to obtain the best waterproof and oleophobic effect.

[0039] In step S3, the vacuum coating machine is operated. Under vacuum conditions (4.5×10^-3Pa), the high-energy electron beam emitted by the electron gun bombards the coating materials such as rare earth anti-blue light materials, infrared reflective materials and waterproof oleophobic (AF) pills, so that the materials obtain sufficient energy for melting, evaporation or direct sublimation. At the same time, an ion source is used to excite the inert gas and give it huge kinetic energy, thereby assisting the coating of the evaporated or sublimated coating material particles, accelerating the deposition of the coating material particles on the substrate surface, and forming a uniform and dense functional nanofilm.

[0040] In step S3, concave surface coating: vacuum degree 4.5×10^-3Pa, rare earth anti-blue light coating material deposition rate 0.1-0.5nm / s, silica particle material film thickness 90-100nm, AF pill type and quantity are adjusted according to specific circumstances.

[0041] Convex coating: vacuum degree 4.5×10^-3Pa, anti-infrared coating material film thickness 300-500nm, silica particle material film thickness 90-100nm, AF pill type and quantity are adjusted according to specific circumstances.

[0042] In step S4, a new waterproof oleophobic (AF) pill is added to the tungsten boat. The vacuum degree of the vacuum coating machine should be controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process. The film thickness of the anti-infrared coating material is controlled at 300-500nm to ensure a good infrared reflection effect. Silica particles also need to be added to the convex coating process to enhance the adhesion of the anti-infrared film layer. After the convex coating is completed, the defocus glasses will have an infrared protection function, which can greatly reduce the redness of the eyes. In step S5, for harder lens materials, the grinding speed can be appropriately reduced to avoid excessive wear. After grinding, use a measuring tool to check the edge size and shape of the lens to ensure that it meets the design requirements. The chamfer angle of the lens edge can be set to 45 degrees to ensure wearing comfort. Finally, assemble the polished lens with the corresponding frame to ensure that the lens is firmly fixed on the frame and make appropriate adjustments to ensure that the optical center of the lens is aligned with the wearer's pupil.

[0043] In step S6, the transmittance can be measured using a spectrophotometer to ensure that the transmittance of the lens to visible light reaches more than 80%. The infrared reflectivity can be measured using an infrared spectrometer to ensure that it meets the design requirements. The blue light absorption rate can be measured using a UV-visible spectrophotometer to ensure that it meets the design requirements. The defocused eyewear products that pass the inspection can be packaged. The packaging method should be selected according to the size and shape of the lens. Dust-proof bags and cardboard boxes can be used for packaging to ensure that the lenses are not damaged during transportation and storage.

[0044] Embodiment 2:

[0045] A defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection, wherein the defocused glasses are provided with an AF waterproof oleophobic layer 1, a silicon dioxide layer 2, an anti-blue light film layer 3, a silicon dioxide layer 2 4, a defocused glasses lens 5, a silicon dioxide layer 3 6, an anti-infrared film layer 7, a silicon dioxide layer 4 8 and an AF waterproof oleophobic layer 2 9, a silicon dioxide layer 2 is provided on the lower surface of the AF waterproof oleophobic layer 1, a silicon dioxide layer 2 is provided on the lower surface of the silicon dioxide layer 2, and an anti-blue light film layer 3 is provided. A silicon dioxide layer 2 4 is arranged on the lower surface of layer 3, a defocused eyeglass lens 5 is arranged on the side surface of the silicon dioxide layer 2 4 away from the anti-blue light film layer 3, a silicon dioxide layer 3 6 is arranged on the lower surface of the defocused eyeglass lens 5, an anti-infrared film layer 7 is arranged on the side surface of the silicon dioxide layer 3 6 opposite to the defocused eyeglass lens 5, a silicon dioxide layer 4 8 is arranged on the lower surface of the anti-infrared film layer 7, and an AF waterproof and oleophobic layer 2 9 is arranged on the side surface of the silicon dioxide layer 4 8 opposite to the anti-infrared film layer 7.

[0046] A method for preparing defocus glasses with multiple functions of blue light protection, infrared protection and fingerprint protection comprises the following steps:

[0047] S1: Place the defocus lens on a special fixture, use a cleaning agent and deionized water for ultrasonic cleaning, and use a blower dryer to dry the cleaned substrate at a temperature of 50-80°C;

[0048] S2: Place the dried defocused lens with the concave surface facing downward on the umbrella stand of the vacuum coating machine and fix it. At the same time, add rare earth anti-blue light coating material and silica particles into the crucible, and add waterproof oleophobic (AF) pills into the tungsten boat;

[0049] S3: closing the hatch, setting the deposition rate and film thickness of the coating material and other parameters, and running the vacuum coating machine to perform the vacuum coating process;

[0050] S4: After the concave surface coating of the defocused lens is completed, the hatch is opened to turn the defocused lens over so that the convex surface faces downward, and at the same time, the rare earth anti-blue light coating material in the crucible is taken out, and the anti-infrared coating material is added, and new waterproof oleophobic (AF) pills are added and replaced in the tungsten boat, and step S3 is repeated;

[0051] S5: After the convex surface coating of the defocused lens is completed, the hatch is opened to take out the lens, and the lens is polished according to a preset shape using an automatic edge grinder, and the polished lens is assembled with a corresponding frame;

[0052] S6: Inspect and package the assembled defocused glasses products, and then the entire preparation process of the defocused glasses with multiple functions of anti-blue light, anti-infrared and anti-fingerprint can be completed.

[0053] In step S1, cleaning and drying: use a neutral or weak alkaline cleaning agent to perform ultrasonic cleaning for 5 to 10 minutes, then rinse with deionized water, and finally dry in a blower dryer at a temperature of 60-80°C.

[0054] In step S2, the vacuum degree of the vacuum coating machine should be controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process. The deposition rate of the rare earth anti-blue light coating material is controlled at 0.1-0.5nm / s to ensure that the film layer is uniform and dense. The film thickness of the silica granule material is controlled at 90-100nm to enhance the adhesion of the anti-blue light film layer. The type and quantity of waterproof and oleophobic (AF) pills should be adjusted according to the specific situation to obtain the best waterproof and oleophobic effect.

[0055] In step S3, the vacuum coating machine is operated. Under vacuum conditions (4.5×10^-3Pa), the high-energy electron beam emitted by the electron gun bombards the coating materials such as rare earth anti-blue light materials, infrared reflective materials and waterproof oleophobic (AF) pills, so that the materials obtain sufficient energy for melting, evaporation or direct sublimation. At the same time, an ion source is used to excite the inert gas and give it huge kinetic energy, thereby assisting the coating of the evaporated or sublimated coating material particles, accelerating the deposition of the coating material particles on the substrate surface, and forming a uniform and dense functional nanofilm.

[0056] In step S3, concave surface coating: vacuum degree 4.5×10^-3Pa, rare earth anti-blue light coating material deposition rate 0.1-0.5nm / s, silica particle material film thickness 90-100nm, AF pill type and quantity are adjusted according to specific circumstances.

[0057] Convex coating: vacuum degree 4.5×10^-3Pa, anti-infrared coating material film thickness 300-500nm, silica particle material film thickness 90-100nm, AF pill type and quantity are adjusted according to specific circumstances.

[0058] In step S4, a new waterproof oleophobic (AF) pill is added to the tungsten boat. The vacuum degree of the vacuum coating machine should be controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process. The film thickness of the anti-infrared coating material is controlled at 300-500nm to ensure a good infrared reflection effect. Silica particles also need to be added to the convex coating process to enhance the adhesion of the anti-infrared film layer. After the convex coating is completed, the defocus glasses will have an infrared protection function, which can greatly reduce the redness of the eyes. In step S5, for harder lens materials, the grinding speed can be appropriately reduced to avoid excessive wear. After grinding, use a measuring tool to check the edge size and shape of the lens to ensure that it meets the design requirements. The chamfer angle of the lens edge can be set to 45 degrees to ensure wearing comfort. Finally, assemble the polished lens with the corresponding frame to ensure that the lens is firmly fixed on the frame and make appropriate adjustments to ensure that the optical center of the lens is aligned with the wearer's pupil.

[0059] In step S6, the transmittance can be measured using a spectrophotometer to ensure that the transmittance of the lens to visible light is above 80%. The infrared reflectivity can be measured using an infrared spectrometer to ensure that it meets the design requirements. The blue light absorbance can be measured using a UV-visible spectrophotometer to ensure that it meets the design requirements. Qualified defocused eyewear products can be packaged. The packaging method should be selected according to the size and shape of the lenses. Dust-proof bags and cardboard boxes can be used for packaging to ensure that the lenses are not damaged during transportation and storage.

[0060] Embodiment three:

[0061] A defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection, wherein the defocused glasses are provided with an AF waterproof oleophobic layer 1, a silicon dioxide layer 2, an anti-blue light film layer 3, a silicon dioxide layer 2 4, a defocused glasses lens 5, a silicon dioxide layer 3 6, an anti-infrared film layer 7, a silicon dioxide layer 4 8 and an AF waterproof oleophobic layer 2 9, a silicon dioxide layer 2 is provided on the lower surface of the AF waterproof oleophobic layer 1, a silicon dioxide layer 2 is provided on the lower surface of the silicon dioxide layer 2, and an anti-blue light film layer 3 is provided. A silicon dioxide layer 2 4 is arranged on the lower surface of layer 3, a defocused eyeglass lens 5 is arranged on the side surface of the silicon dioxide layer 2 4 away from the anti-blue light film layer 3, a silicon dioxide layer 3 6 is arranged on the lower surface of the defocused eyeglass lens 5, an anti-infrared film layer 7 is arranged on the side surface of the silicon dioxide layer 3 6 opposite to the defocused eyeglass lens 5, a silicon dioxide layer 4 8 is arranged on the lower surface of the anti-infrared film layer 7, and an AF waterproof and oleophobic layer 2 9 is arranged on the side surface of the silicon dioxide layer 4 8 opposite to the anti-infrared film layer 7.

[0062] A method for preparing defocus glasses with multiple functions of blue light protection, infrared protection and fingerprint protection comprises the following steps:

[0063] S1: Place the defocus lens on a special fixture, use a cleaning agent and deionized water for ultrasonic cleaning, and use a blower dryer to dry the cleaned substrate at a temperature of 50-80°C;

[0064] S2: Place the dried defocused lens with the concave surface facing downward on the umbrella stand of the vacuum coating machine and fix it. At the same time, add rare earth anti-blue light coating material and silica particles into the crucible, and add waterproof oleophobic (AF) pills into the tungsten boat;

[0065] S3: closing the hatch, setting the deposition rate and film thickness of the coating material and other parameters, and running the vacuum coating machine to perform the vacuum coating process;

[0066] S4: After the concave surface coating of the defocused lens is completed, the hatch is opened to turn the defocused lens over so that the convex surface faces downward, and at the same time, the rare earth anti-blue light coating material in the crucible is taken out, and the anti-infrared coating material is added, and new waterproof oleophobic (AF) pills are added and replaced in the tungsten boat, and step S3 is repeated;

[0067] S5: After the convex surface coating of the defocused lens is completed, the hatch is opened to take out the lens, and the lens is polished according to a preset shape using an automatic edge grinder, and the polished lens is assembled with a corresponding frame;

[0068] S6: Inspect and package the assembled defocused glasses products, and then the entire preparation process of the defocused glasses with multiple functions of anti-blue light, anti-infrared and anti-fingerprint can be completed.

[0069] In step S1, cleaning and drying: use a neutral or weak alkaline cleaning agent to perform ultrasonic cleaning for 5 to 10 minutes, then rinse with deionized water, and finally dry in a blower dryer at a temperature of 60-80°C.

[0070] In step S2, the vacuum degree of the vacuum coating machine should be controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process. The deposition rate of the rare earth anti-blue light coating material is controlled at 0.1-0.5nm / s to ensure that the film layer is uniform and dense. The film thickness of the silica granule material is controlled at 90-100nm to enhance the adhesion of the anti-blue light film layer. The type and quantity of waterproof and oleophobic (AF) pills should be adjusted according to the specific situation to obtain the best waterproof and oleophobic effect.

[0071] In step S3, the vacuum coating machine is operated. Under vacuum conditions (4.5×10^-3Pa), the high-energy electron beam emitted by the electron gun bombards the coating materials such as rare earth anti-blue light materials, infrared reflective materials and waterproof oleophobic (AF) pills, so that the materials obtain sufficient energy for melting, evaporation or direct sublimation. At the same time, an ion source is used to excite the inert gas and give it huge kinetic energy, thereby assisting the coating of the evaporated or sublimated coating material particles, accelerating the deposition of the coating material particles on the substrate surface, and forming a uniform and dense functional nanofilm.

[0072] In step S3, concave surface coating: vacuum degree 4.5×10^-3Pa, rare earth anti-blue light coating material deposition rate 0.1-0.5nm / s, silica particle material film thickness 90-100nm, AF pill type and quantity are adjusted according to specific circumstances.

[0073] Convex coating: vacuum degree 4.5×10^-3Pa, anti-infrared coating material film thickness 300-500nm, silica particle material film thickness 90-100nm, AF pill type and quantity are adjusted according to specific circumstances.

[0074] In step S4, a new waterproof oleophobic (AF) pill is added to the tungsten boat. The vacuum degree of the vacuum coating machine should be controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process. The film thickness of the anti-infrared coating material is controlled at 300-500nm to ensure a good infrared reflection effect. Silica particles also need to be added to the convex coating process to enhance the adhesion of the anti-infrared film layer. After the convex coating is completed, the defocus glasses will have an infrared protection function, which can greatly reduce the redness of the eyes. In step S5, for harder lens materials, the grinding speed can be appropriately reduced to avoid excessive wear. After grinding, use a measuring tool to check the edge size and shape of the lens to ensure that it meets the design requirements. The chamfer angle of the lens edge can be set to 45 degrees to ensure wearing comfort. Finally, assemble the polished lens with the corresponding frame to ensure that the lens is firmly fixed on the frame and make appropriate adjustments to ensure that the optical center of the lens is aligned with the wearer's pupil.

[0075] In step S6, the transmittance can be measured using a spectrophotometer to ensure that the transmittance of the lens to visible light reaches more than 80%. The infrared reflectivity can be measured using an infrared spectrometer to ensure that it meets the design requirements. The blue light absorption rate can be measured using a UV-visible spectrophotometer to ensure that it meets the design requirements. The defocused eyewear products that pass the inspection can be packaged. The packaging method should be selected according to the size and shape of the lens. Dust-proof bags and cardboard boxes can be used for packaging to ensure that the lenses are not damaged during transportation and storage.

[0076] The above-mentioned embodiment was measured to obtain the following experimental data:

[0077]

[0078] The prepared defocused glasses products were tested, and it can be learned from the above experimental data that: in the present invention, an electron gun vacuum coating equipment is used, and under a vacuum state (4.5×10-3Pa), the high-energy electron beam emitted by the electron gun bombards rare earth anti-blue light materials, infrared reflective materials, and waterproof oleophobic (AF) pills and other coating materials, so that the materials obtain sufficient energy for melting and evaporation or direct sublimation. At the same time, an ion source is used to excite the inert gas and make it obtain huge kinetic energy, thereby assisting the coating of the evaporated or sublimated coating material particles, accelerating the deposition of the coating material particles on the substrate surface, and forming a uniform and dense functional nano-thin film, so that the defocused glasses products can obtain multiple functions such as blue light protection, infrared protection and fingerprint protection.

[0079] In the present invention, the defocused glasses obtained by the test have an average transmittance of more than 80%, ensuring the clarity during daily wear, an infrared reflectivity of 50%, which well protects the eyes from thermal burns caused by infrared rays, and an absorption rate of harmful blue light adjustable between 20% and 30%, so that the product can ensure the absorption effect of harmful blue light while not causing color imbalance due to excessive absorption of blue light. In addition, the concave and convex surfaces of the product are coated with an AF waterproof and oleophobic film layer, which has anti-fingerprint effect and a smooth touch, is easy to clean and not easy to get dirty.

[0080] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0081] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pair of defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection, characterized in that: The film of the defocus glasses is provided with an AF waterproof oleophobic layer 1 (1), a silicon dioxide layer 1 (2), an anti-blue light film layer (3), a silicon dioxide layer 2 (4), a defocus glasses lens (5), a silicon dioxide layer 3 (6), an anti-infrared film layer (7), a silicon dioxide layer 4 (8) and an AF waterproof oleophobic layer 2 (9), the lower surface of the AF waterproof oleophobic layer 1 (1) is provided with a silicon dioxide layer 1 (2), the lower surface of the silicon dioxide layer 1 (2) is provided with an anti-blue light film layer (3), and the lower surface of the anti-blue light film layer (3) is provided with a silicon dioxide layer. Layer 2 (4), a defocused eyeglass lens (5) is arranged on the surface of the second silicon dioxide layer (4) away from the anti-blue light film layer (3), a silicon dioxide layer 3 (6) is arranged on the lower surface of the defocused eyeglass lens (5), an anti-infrared film layer (7) is arranged on the surface of the third silicon dioxide layer (6) on the side opposite to the defocused eyeglass lens (5), a silicon dioxide layer 4 (8) is arranged on the lower surface of the anti-infrared film layer (7), and an AF waterproof and oleophobic layer 2 (9) is arranged on the surface of the fourth silicon dioxide layer (8) on the side opposite to the anti-infrared film layer (7).

2. A method for preparing defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection, characterized in that: The preparation method is used to obtain the defocus glasses as claimed in claim 1, and the preparation method comprises the following steps: S1: Place the defocus lens on a special fixture, use a cleaning agent and deionized water for ultrasonic cleaning, and use a blower dryer to dry the cleaned substrate at a temperature of 50-80°C; S2: Place the dried defocused lens with the concave surface facing downward on the umbrella stand of the vacuum coating machine and fix it. At the same time, add rare earth anti-blue light coating material and silica particles into the crucible, and add waterproof and oleophobic pills into the tungsten boat; S3: closing the hatch, setting the deposition rate and film thickness parameters of the coating material, and running the vacuum coating machine to perform the vacuum coating process; S4: After the concave surface coating of the defocused lens is completed, the hatch is opened to turn the defocused lens over so that the convex surface faces downward, and at the same time, the rare earth anti-blue light coating material in the crucible is taken out, and the anti-infrared coating material is added, and new waterproof and oleophobic pills are added to the tungsten boat, and step S3 is repeated; S5: After the convex surface coating of the defocused lens is completed, the hatch is opened to take out the lens, and the lens is polished according to a preset shape using an automatic edge grinder, and the polished lens is assembled with the relevant frame; S6: Inspect and package the assembled defocused glasses products, and then the entire preparation process of the defocused glasses with multiple functions of anti-blue light, anti-infrared and anti-fingerprint can be completed.

3. The method for preparing the defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection as claimed in claim 2, characterized in that: In step S1, the defocused lens is first placed on a special fixture and ultrasonically cleaned with a neutral or weakly alkaline cleaning agent to ensure that grease, dust and impurities on the lens surface are completely removed; the ultrasonic cleaning time is controlled to be 5 to 10 minutes to ensure the cleaning effect; after cleaning, it is rinsed with deionized water to remove residual cleaning agent; finally, the cleaned lens is placed in an air dryer for drying, and the temperature is controlled at 60°C to avoid deformation or damage of the lens due to excessive temperature.

4. The method for preparing the defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection as claimed in claim 2, characterized in that: In step S2, the vacuum degree of the vacuum coating machine is controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process; the deposition rate of the rare earth anti-blue light coating material is controlled at 0.1-0.5nm / s to ensure that the film layer is uniform and dense; the film layer thickness of the silica granular material is controlled at 90-100nm.

5. The method for preparing the defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection as claimed in claim 2, characterized in that: In step S3, the vacuum coating machine is operated. Under vacuum conditions, the high-energy electron beam emitted by the electron gun bombards the rare earth anti-blue light material, the infrared reflective material and the waterproof and oleophobic pill coating material, so that the material obtains sufficient energy for melting, evaporation or direct sublimation. At the same time, an ion source is used to excite the inert gas and make it obtain huge kinetic energy, thereby assisting the coating of the evaporated or sublimated coating material particles, accelerating the deposition of the coating material particles onto the substrate surface, and forming a uniform and dense functional nanofilm.

6. The method for preparing the defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection as claimed in claim 2, characterized in that: In step S4, new waterproof and oleophobic pills are replaced in the tungsten boat; the vacuum degree of the vacuum coating machine is controlled at 4.5×10^-3Pa to ensure the smooth progress of the coating process; the film thickness of the anti-infrared coating material is controlled at 300-500nm to ensure a good infrared reflection effect; silica particles also need to be added to the convex coating process to enhance the adhesion of the anti-infrared film layer.

7. The method for preparing the defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection as claimed in claim 2, characterized in that: In step S5, for harder lens materials, the grinding speed is appropriately reduced to avoid excessive wear; after grinding, the edge size and shape of the lens are checked using a measuring tool to ensure that they meet the design requirements; the chamfer angle of the lens edge is set to 45 degrees to ensure wearing comfort; finally, the polished lens is assembled with the corresponding frame to ensure that the lens is firmly fixed on the frame, and appropriate adjustments are made to ensure that the optical center of the lens is aligned with the wearer's pupil.

8. The method for preparing the defocused glasses with multiple functions of blue light protection, infrared protection and fingerprint protection as claimed in claim 2, characterized in that: In step S6, the transmittance is measured using a spectrophotometer to ensure that the transmittance of the lens to visible light reaches more than 80%; the infrared reflectance is measured using an infrared spectrometer to ensure that it meets the design requirements; the blue light absorption rate is measured using an ultraviolet-visible spectrophotometer to ensure that it meets the design requirements; The packaging method is selected according to the size and shape of the lenses. Dust-proof bags and cardboard boxes are used for packaging to ensure that the lenses are not damaged during transportation and storage.

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