IP Library › Granted Patent US 11,169,398
Granted Patent B2
US 11,169,398 · App. 16/714,160 · Granted Nov 9, 2021

Spectacle lens and method for producing a spectacle lens

Inventors: Jörg Pütz (Aalen, DE); Katharina Rifai (Tübingen, DE); Karsten Lindig (Erfurt, DE)
Assignee: tooz technologies GmbH
G02C7/022G02C7/086G03F7/001G03F7/16G03H1/02G03H1/0402G02C2202/16G03H2001/0264G03H2001/0439G03H2260/12G03H2270/32
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Quick Facts
Patent No.
US 11,169,398
App. No.
16/714,160
Granted
Nov 9, 2021
Kind
B2
Abstract

A spectacle lens has a transparent substrate and at least one HOE-capable polymer layer arranged on the transparent substrate. The at least one HOE-capable polymer layer is suitable for forming a holographic optical element. Related methods and apparatus are described.

Claims (67)

1. An optical lens, comprising:

a transparent substrate, and

at least one HOE-capable polymer layer on the transparent substrate,

wherein the at least one HOE-capable polymer layer forms a holographic optical element,

wherein the holographic optical element is formed by a spatially resolved exposure of the HOE-capable polymer layer,

wherein the spatially resolved exposure is based on control data that comprises an intensity and a phase of the spatially resolved exposure, and

wherein the control data is determined depending on a geometry of the transparent substrate.

2. The optical lens of claim 1 , further comprising:

a transparent hard layer on the transparent substrate,

wherein the at least one HOE-capable polymer layer is between the transparent substrate and the transparent hard layer.

3. The optical lens of claim 2 ,

wherein the transparent hard layer comprises a polysiloxane-based organic/inorganic hybrid material.

4. The optical lens of claim 2 ,

wherein a layer thickness of the transparent hard layer is in a range of 1 μm to 3 μm.

5. The optical lens of claim 1 ,

wherein a layer thickness of each of the at least one HOE-capable polymer layer is in a range of 1 μm-100 μm.

6. The optical lens of claim 1 ,

wherein a first HOE-capable polymer layer of the at least one HOE-capable polymer layer is on a first side of the transparent substrate, and

wherein a second HOE-capable polymer layer of the at least one HOE-capable polymer layer is on a second side of the transparent substrate.

7. The optical lens of claim 1 ,

wherein the HOE-capable polymer layer comprises an HOE polymer in a polymer matrix, and

wherein the optical lens further comprises a primer layer that comprises a further polymer in the polymer matrix.

8. Spectacles, comprising:

a spectacle lens comprising the optical lens of claim 1 ; and

a light source assembly configured to emit light in a direction of the optical lens,

wherein the HOE-capable polymer layer is configured to reflect the light emitted by the light source assembly to an eye of a wearer of the spectacles.

9. The spectacles of claim 8 ,

wherein the holographic optical element implements an optical functionality selected from a group comprising a wavelength-specific mirror, a transflective beam combiner, and an angle-specific reflector.

10. A method for producing an optical lens comprising an HOE-capable polymer layer, wherein the HOE-capable polymer layer is configured to form a holographic optical element, wherein the method comprises:

coating of a transparent substrate of the optical lens with a precursor of the HOE-capable polymer layer;

converting the precursor that is on the transparent substrate, to obtain the HOE-capable polymer layer, and

performing a spatially resolved exposure of the HOE-capable polymer layer to form the holographic optical element,

wherein the performing of the spatially resolved exposure comprises:

obtaining geometric data comprising a geometry of the transparent substrate of the optical lens; and

based on the geometric data, determining control data comprising an intensity and a phase of the spatially resolved exposure,

wherein the spatially resolved exposure is performed based on the control data.

11. The method of claim 10 , wherein the method further comprises:

applying a hard layer to the HOE-capable polymer layer.

12. The method of claim 11 ,

wherein the spatially resolved exposure of the HOE-capable polymer layer takes place after applying the hard layer and through the hard layer.

13. The method of claim 11 ,

wherein said applying of the hard layer comprises wet chemical techniques.

14. The method of claim 11 ,

wherein said applying of the hard layer comprises curing.

15. The method of claim 10 , wherein the method further comprises:

applying at least one of an antireflective layer or a clean coat layer to the HOE-capable polymer layer.

16. The method of claim 10 , wherein the precursor and/or the HOE-capable polymer layer comprise a photoreactive component and/or an HOE polymer and/or a polymer matrix, and wherein the method further comprises:

applying a primer layer comprising the polymer matrix and/or a further polymer to the transparent substrate.

17. A method for producing an optical lens comprising an HOE-capable polymer layer, wherein the HOE-capable polymer layer is configured to form a holographic optical element, wherein the method comprises:

coating of a carrier with a precursor of the HOE-capable polymer layer;

converting the precursor that is on the carrier, to obtain the HOE-capable polymer layer;

performing a fixation of the HOE-capable polymer layer on a transparent substrate of the optical lens; and

performing a spatially resolved exposure of the HOE-capable polymer layer to form the holographic optical element,

wherein the performing of the spatially resolved exposure comprises:

obtaining geometric data comprising a geometry of the transparent substrate of the optical lens; and

based on the geometric data, determining control data comprising an intensity and a phase of the spatially resolved exposure,

wherein the spatially resolved exposure is performed based on the control data.

18. The method of claim 17 ,

wherein the fixation of the HOE-capable polymer layer is performed by gluing and/or laminating.

19. The method of claim 17 , wherein the method, after the fixation of the HOE-capable polymer layer on the transparent substrate, further comprises:

removing the carrier from the HOE-capable polymer layer.

20. An optical lens, comprising:

a transparent substrate, and

at least one HOE-capable polymer layer on the transparent substrate, wherein the at least one HOE-capable polymer layer forms a holographic optical element,

a transparent hard layer on the transparent substrate,

wherein the at least one HOE-capable polymer layer is between the transparent substrate and the transparent hard layer, and

wherein the transparent hard layer comprises a polysiloxane-based organic/inorganic hybrid material.

Priority Claims (1)
DE 102015109703.6 · Jun 17, 2015 · national
Continuity (2)
Continuation 15736579
Related Publication 20200117023A1 · Apr 16, 2020