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

Patent metadata

Field	Value
Publication number	US-11614640-B2
Application number	US-201916387521-A
Country	US
Kind code	B2
Filing date	Apr 17, 2019
Priority date	Oct 21, 2016
Publication date	Mar 28, 2023
Grant date	Mar 28, 2023

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.

First claim

The invention claimed is:

1. A spectacle lens comprising, proceeding from a front face on an object side of the spectacle lens to an opposite reverse face of the spectacle lens, a component A, a component B, and a component C, wherein:
a) the component A includes at least one of a functional layer or an ultrathin lens;
b) the component B includes a polymeric material having a location-dependent refractive index distribution; and
c) the component C includes at least one of the functional layer or the ultrathin lens;
or
a) the component A includes the ultrathin lens with an average thickness within a range of from 10 μm to 760 μm;
b) the component B includes the polymeric material having a uniform refractive index; and
c) the component C includes at least one of the functional layer or the ultrathin lens with the average thickness within the range of from 10 μm to 760 μm.

2. The spectacle lens as claimed in claim 1 , wherein the ultrathin lens of component A or the ultrathin lens of the component C in each case have the average thickness of from 13 μm to 510 μm.

3. The spectacle lens as claimed in claim 1 , wherein the ultrathin lens of the component A includes the functional layer on a front face and the ultrathin lens of the component C includes the functional layer on a reverse face.

4. The spectacle lens as claimed in claim 3 , wherein the functional layer of the component A and the functional layer of the component C are each selected from the group consisting of an antireflection layer, an electrically conductive layer, a semiconductive layer, an antifog layer, and a clean-coat layer.

5. The spectacle lens as claimed in claim 3 , wherein the front face of the ultrathin lens of the component A proceeding from the front face in an object direction, or the reverse face of the component C proceeding from the reverse face in an eye direction, is covered in each case by the following functional layers:
a) optionally, an electrically conductive layer or a semiconductive layer;
b) an antireflection layer; and
c) an antifog layer, a clean-coat layer, or the antifog layer and the clean-coat layer.

6. The spectacle lens as claimed in claim 1 , wherein the functional layer of the component A and the functional layer of the component C are each selected from the group consisting of a hard lacquer layer, an antireflection layer, an antifog layer, a clean-coat layer, an electrically conductive layer, and a semiconductive layer.

7. A spectacle lens comprising, proceeding from a front face on an object side of the spectacle lens to an opposite reverse face of the spectacle lens, a component A, a component B, and a component C, wherein:
a) the component A includes at least one of a functional layer or an ultrathin lens;
b) the component B includes a polymeric material having a location-dependent refractive index distribution; and
c) the component C includes at least one of the functional layer or the ultrathin lens;
or
a) the component A includes the ultrathin lens with an average thickness within a range of from 10 μm to 760 μm;
b) the component B includes the polymeric material having a uniform refractive index; and
c) the component C includes at least one of the functional layer or the ultrathin lens with the average thickness within the range of from 10 μm to 760 μm,
wherein a surface topography of at least one of the ultrathin lens of the component A or the ultrathin lens of component C is selected from the group consisting of spherical, aspherical, toric, atoric, progressive, and planar.

8. A spectacle lens comprising, proceeding from a front face on an object side of the spectacle lens to an opposite reverse face of the spectacle lens, a component A, a component B, and a component C, wherein:
a) the component A includes at least one of a functional layer or an ultrathin lens;
b) the component B includes a polymeric material having a location-dependent refractive index distribution; and
c) the component C includes at least one of the functional layer or the ultrathin lens;
or
a) the component A includes the ultrathin lens with an average thickness within a range of from 10 μm to 760 μm;
b) the component B includes the polymeric material having a uniform refractive index; and
c) the component C includes at least one of the functional layer or the ultrathin lens with the average thickness within the range of from 10 μm to 760 μm,
wherein a surface topography of at least one of the ultrathin lens of the component A or the ultrathin lens of the component C is configured to achieve an optical correction effect of the spectacle lens, and wherein the polymeric material of the component B has the uniform refractive index.

9. The spectacle lens as claimed in claim 1 , wherein the spectacle lens is configured to have an optical correction effect via a calculated location-dependent refractive index distribution within the component B.

10. A spectacle lens comprising, proceeding from a front face on an object side of the spectacle lens to an opposite reverse face of the spectacle lens, a component A, a component B, and a component C, wherein:
a) the component A includes at least one of a functional layer or an ultrathin lens;
b) the component B includes a polymeric material having a location-dependent refractive index distribution; and
c) the component C includes at least one of the functional layer or the ultrathin lens;
or
a) the component A includes the ultrathin lens with an average thickness within a range of from 10 μm to 760 μm;
b) the component B includes the polymeric material having a uniform refractive index; and
c) the component C includes at least one of the functional layer or the ultrathin lens with the average thickness within the range of from 10 μm to 760 μm,
wherein a surface topography of at least one of the ultrathin lens of the component A or the ultrathin lens of the component C is configured to achieve an optical correction effect of the spectacle lens, and wherein the component B has a calculated location-dependent refractive index distribution.

11. A spectacle lens comprising, proceeding from a front face on an object side of the spectacle lens to an opposite reverse face of the spectacle lens:
a component A including an ultrathin lens;
a component B including a polymeric material; and
a component C including the ultrathin lens;
wherein the spectacle lens is a monofocal spectacle lens,
wherein a surface topography of a front face of the ultrathin lens of the component A is a same as the surface topography of a reverse face of the ultrathin lens of the component A, and is selected from the group consisting of spherical, toric, aspherical, and atoric, and
wherein the surface topography of the front face of the ultrathin lens of the component C is the same as the surface topography of the reverse face of the ultrathin lens of the component C and is selected from the group consisting of spherical, toric, aspherical and atoric, and the polymeric material of the component B has a uniform refractive index or a location-dependent refractive index distribution, or
wherein the spectacle lens is a monofocal spectacle lens, the surface topographies of the front face of the ultrathin lens of the component A, of the reverse face of the ultrathin lens of the component A, the front face of the ultrathin lens of the component C, and the reverse face of the ultrathin lens of component C are each planar and the polymeric material of the component B has a location-dependent refractive index distribution.

12. A spectacle lens comprising, proceeding from the front face on the object side of the spectacle lens to the opposite reverse face o

Assignees

• Zeiss Carl Vision Int Gmbh

Inventors

• Mappes Timo
• Kelch Gerhard
• Glöge Thomas

Classifications

• G02C2202/12

  Locally varying refractive index, gradient index lenses · CPC title

• B29D11/00432

  Auxiliary operations, e.g. machines for filling the moulds (B29D11/00125 takes precedence) · CPC title

• G02C7/022 Primary

  Ophthalmic lenses having special refractive features achieved by special materials or material structures (G02C7/049 takes precedence) · CPC title

• G02C2202/16

  Laminated or compound lenses · CPC title

• B29C64/106

  using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material · CPC title