Systems, devices, and methods for embedding a holographic optical element in an eyeglass lens
AssigneeThalmic Labs Inc.
InventorDarren Ihmels
Life of this patent
Estimating the term…
Abstract
Systems, devices, and methods for embedding a HOE in an eyeglass lens are described. A method of embedding a HOE in an eyeglass lens includes forming a world-side portion of the eyeglass lens, forming an eye-side portion of the eyeglass lens, physically coupling the eye-side portion of the eyeglass lens to the HOE with a low-temperature optically clear adhesive (“LT-OCA”), and physically coupling the world-side portion of the eyeglass lens to the HOE with LT-OCA. Forming the lens portions may include high-temperature processes, and the HOE may not be damaged by the high-temperature processes since the high-temperature processes may be performed on the lens portions prior to coupling the lens portions to the HOE.
Claims16
A wearable heads-up display comprising:
- a support structure;
- an projector;
- and
- a transparent combiner positioned and oriented to appear in a field of view of an eye of a user when the support structure is worn on a head of the user, the transparent combiner comprising:
- a lens assembly, wherein the lens assembly comprises:
- an eye-side lens portion;
- and
- a world-side lens portion;
- a holographic optical element (“HOE”) positioned within the lens assembly in between the eye-side lens portion and the world-side lens portion;
- a first low-temperature optically clear adhesive (“LT-OCA”) layer disposed between the HOE and the eye-side lens portion of the lens assembly;
- and
- a second LT-OCA layer disposed between the HOE and the world-side lens portion of the lens assembly.
Dependencies are inferred from the claim text.