Spectacle lens and method, in particular 3D printing method, for the production thereof

US11614640B2 · kind B2 · utility

Assignee

• Carl Zeiss Vision International GmbH · DE

Inventors

• Timo Mappes · Karlsruhe, DE
• Gerhard Kelch · Aalen, DE
• Thomas Glöge · Aalen, DE

Key dates

• Filing date: Apr 17, 2019
• Grant date: Mar 28, 2023
• Expiry date: Jan 26, 2042

Classification

• Technology area (CPC G): Physics
• CPC primary: G02C2202/16
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

Abstract

A spectacle lens has, starting from the object-sided front surface of the spectacle lens to the opposite rear-side of the spectacle lens, at least a) one component A including at least one functional layer FA and/or an ultrathin glass, b) one component B including at least one polymer material and, c) one component C, including at least one functional layer F and/or an ultrathin glass. A method, in particular a 3D printing method, for producing the spectacle lens is also disclosed.