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CN-117660894-B - Processing method of AR (augmented reality) spectacle lenses

CN117660894BCN 117660894 BCN117660894 BCN 117660894BCN-117660894-B

Abstract

The invention relates to a processing method of an AR (augmented reality) spectacle lens, and belongs to the technical field of glass surface treatment. In order to solve the problem of poor color difference value and poor PV value, the processing method of the AR glasses lens is provided, and comprises the steps of placing the AR glasses lens to be plated into a vacuum coating chamber, firstly performing titanium pentoxide coating to form a titanium pentoxide coating layer I on the surface of the AR glasses lens, then performing silicon dioxide coating to form a silicon dioxide coating layer I on the surface of the titanium pentoxide coating layer I, repeating the titanium pentoxide coating in the step A and the silicon dioxide coating in the step B, and sequentially forming a titanium pentoxide coating layer II, a silicon dioxide coating layer II, a titanium pentoxide coating layer III and a silicon dioxide coating layer III, and finishing coating to obtain the AR glasses lens after coating. The formed coating layer has the requirement of low color difference value, has purple color effect, and can be better applied to AR glasses lenses.

Inventors

  • YAN HAIPING
  • MAO JUN
  • WANG BEIBEI

Assignees

  • 台州星星光电科技有限公司

Dates

Publication Date
20260505
Application Date
20231208

Claims (7)

  1. 1. A method of processing AR spectacle lenses, the method comprising the steps of: A. Placing an AR (AR) eyeglass lens to be plated into a vacuum film plating chamber, controlling the film plating temperature to be 100-110 ℃, firstly performing titanium pentoxide film plating, controlling the vapor plating rate of the titanium pentoxide to be 5-7A/S, and forming a titanium pentoxide film plating layer I with the thickness of 14.4-14.6 nm on the surface of the AR eyeglass lens; B. Then, silicon dioxide coating is carried out, the coating temperature is controlled to be 100-110 ℃, the evaporation rate of silicon dioxide is controlled to be 10A/S-12A/S, and a silicon dioxide coating layer I with the thickness of 34.1-34.3 nm is formed on the surface of the titanium pentoxide coating layer I; C. Repeating the titanium pentoxide coating of the step A and the silicon dioxide coating of the step B to sequentially form a titanium pentoxide coating layer II with the thickness of 51.8-52.0 nm, a silicon dioxide coating layer II with the thickness of 9.8-10.5 nm, a titanium pentoxide coating layer III with the thickness of 45.9-46.1 nm and a silicon dioxide coating layer III with the thickness of 92.9-93.1 nm, and finishing coating to obtain the AR eyeglass lens after coating, wherein the reflectivity of the AR eyeglass lens in the wave band of 410-450 nm is required to be 0.5-1%, and the reflectivity of the AR eyeglass lens in the wave band of 480-680 nm is less than 0.5%.
  2. 2. The method for processing an AR spectacle lens according to claim 1, wherein the power of the target source used for the titanium pentoxide coating in step a and the silicon dioxide coating in step B is 1.9kw to 2.0kw.
  3. 3. The method for processing an AR spectacle lens according to claim 1, wherein the thickness of the first titanium pentoxide coating layer is 14.42nm, the thickness of the first silicon dioxide coating layer is 34.11nm, the thickness of the second titanium pentoxide coating layer is 51.88nm, the thickness of the second silicon dioxide coating layer is 10nm, the thickness of the third titanium pentoxide coating layer is 45.96nm, and the thickness of the third silicon dioxide coating layer is 92.93nm.
  4. 4. The method for manufacturing an AR spectacle lens according to claim 1,2 or 3, wherein the vacuum degree of the vacuum coating chamber in the step a is controlled to be 1.0x10 -3 pa～1.2x10 -3 pa.
  5. 5. The method according to claim 1, 2 or 3, wherein the vapor deposition rate of the titanium pentoxide is 6.5 a/S to 6.8 a/S, and the vapor deposition rate of the silicon dioxide is 11 a/S to 11.5 a/S.
  6. 6. The method of claim 1,2 or 3, wherein the AR spectacle lens in step a is ion source cleaned before the AR spectacle lens is coated with the first layer of titanium pentoxide.
  7. 7. The method of claim 6, wherein the ion source cleaning is specifically: Argon is introduced into the vacuum coating chamber, ion bombardment is carried out on the AR glasses lens, the temperature is controlled to be 70-75 ℃, the ion bombardment rate is 160-165A/S, and the argon flow is controlled to be 15-18 sccm.

Description

Processing method of AR (augmented reality) spectacle lenses Technical Field The invention relates to a processing method of an AR (augmented reality) spectacle lens, and belongs to the technical field of glass surface treatment. Background Augmented reality (AR, augmented Real ity) technology provides a richer visual experience by superimposing virtual images or images provided by a computer or the like on actual images of the real world. Along with the development of intelligent technology, the AR intelligent glasses technology is more and more perfect, and the technology is extended to various fields such as industrial assistance, security protection, education and coaching, museum exhibition and the like. Meanwhile, the optical precision requirement of the lenses of the intelligent glasses is different from the requirement of common optical glass processing molding, the requirements of the lenses of the intelligent glasses are higher, particularly, the requirements of the antireflection effect, the PV value and the like of the lenses are met, and the color requirements of the lenses and the AR glasses are kept consistent, so that the performance of the lenses in the products such as the intelligent AR glasses is improved, the better use visual experience is realized, and the functions of the lenses of the AR glasses are improved by adopting a film coating mode in the existing processing of the lenses of the AR glasses. In the prior art, the optical performance of a product is improved by alternately plating titanium pentoxide and silicon dioxide in the film plating process of a glass panel or a lens, such as a lens processing method disclosed in the prior art (publication No. CN 1079718214A), the silicon dioxide film plating layer and the titanium pentoxide film plating layer are alternately plated on the surface of the annealed lens, the film plating temperature is controlled to be 50-70 ℃, and the silicon dioxide film plating rate is controlled to beAnd the plating speed of the titanium silicon oxide film is thatAnd finally, a corresponding coating layer is formed, wherein the coating layer formed by the coating mode is mainly used for enabling the lens to have ultrahigh hardness and wear resistance, reducing reflection and increasing light transmittance, effectively filtering more than 33% of harmful blue light and relieving visual fatigue, the surface PV value of the coating layer is too high, the coating layer is unfavorable for being applied to the lens in AR glasses, and the reflectivity of the formed coating layer is not particularly required, so that the overall color difference value cannot be met. Disclosure of Invention The invention aims at the problems existing in the prior art, and provides a processing method of an AR (augmented reality) spectacle lens, which solves the problems of realizing the performance of stable chromatic aberration value and low PV value. The invention aims at realizing the following technical scheme, and discloses a processing method of an AR (augmented reality) spectacle lens, which is characterized by comprising the following steps of: A. placing an AR (AR) eyeglass lens to be plated into a vacuum coating chamber, controlling the coating temperature to be 100-110 ℃, firstly coating the titanium pentoxide, and controlling the vapor deposition rate of the titanium pentoxide to be Forming a first titanium pentoxide coating layer with the thickness of 14.4-14.6 nm on the surface of the AR glasses lens; B. Then silicon dioxide coating is carried out, the coating temperature is controlled to be 100-110 ℃, and the evaporation rate of silicon dioxide is controlled to be Forming a silicon dioxide coating layer I with the thickness of 34.1-34.3 nm on the surface of the titanium pentoxide coating layer I; C. Repeating the titanium pentoxide coating of the step A and the silicon dioxide coating of the step B to sequentially form a titanium pentoxide coating layer II with the thickness of 51.8-52.0 nm, a silicon dioxide coating layer II with the thickness of 9.8-10.5 nm, a titanium pentoxide coating layer III with the thickness of 45.9-46.1 nm and a silicon dioxide coating layer III with the thickness of 92.9-93.1 nm, and finishing coating to obtain the AR eyeglass lens after coating. According to the invention, through the improved design of the coating mode and the coating structure, the coating temperature is adjusted when each coating layer is coated, and the coating speed of the silicon dioxide coating layer and the coating speed of the titanium pentoxide are controlled, so that the corresponding titanium pentoxide or silicon dioxide in the vacuum coating chamber can be more rapidly diffused and sputtered to the surface of the lens under the conditions of higher temperature and higher coating speed, the ion density distribution in a unit area is more uniform, the compactness of the formed titanium pentoxide or silicon dioxide coating layer is effectively improved, the s