Method for applying a surface pattern on the surface of an eyeglass lens substrate and eyeglass lens substrate having a surface pattern

By applying a swelling agent composition on the surface of the polymer glass lens substrate and heating diffusion, the problems of material weakening and equipment dependence in the prior art are solved, and an efficient and reproducible surface pattern application effect is achieved.

CN118339013BActive Publication Date: 2025-03-21CARL ZEISS VISION INTERNATIONAL GMBH
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Patent Information

Application Number
CN202280057755.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2021-09-10
Filing Date
2022-07-21
Publication Date
2025-03-21
Estimated Expiration
2042-07-21

AI Technical Summary

Technical Problem

Prior art There are problems of material weakness, equipment dependence and easy mark removal when applying surface patterns on the surface of the glasses lens substrate.

Method used

A partially distinguished surface pattern is formed by applying a composition containing a swelling agent on the surface of the polymer glasses lens substrate and diffusing the swelling agent into the lens material by heating.

Benefits of technology

Efficient and reproducible application of surface patterns on the surface of the glasses lens substrate is achieved, avoiding material weakness and equipment dependence, while improving the durability of markings.

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Abstract

A method (100) for applying a surface pattern (5) on a surface (6) of an eyeglass lens substrate (1). The method (100) comprises the following steps: (S1): providing an eyeglass lens substrate (1) comprising a polymer lens material (2), S2): providing a composition (3) comprising a swelling agent (4), S4): applying a pattern (7) of the composition (3) on the surface (6) of the eyeglass lens substrate (1), and (S5): diffusing the swelling agent (4) from the composition (3) into the lens material. In addition, a eyeglass lens substrate (1) comprising a polymer lens material (2) and exhibiting a surface pattern (5) on the surface (6) of the eyeglass lens substrate (1) is presented, wherein the polymer lens material (2) comprises a swelling agent (4) at a location where the surface pattern (5) is formed, and an eyeglass lens substrate (1) comprising a polymer lens material (2), wherein the eyeglass lens substrate (1) exhibits a pattern (7) of the composition (3) comprising a swelling agent (4) applied on the surface (6) of the eyeglass lens substrate (1).
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