Prescription lenses with gradient-index liquid crystal lens and Pancharatnam-Berry phase lens
An apparatus includes a partial reflector, a first lens, a reflective polarizer, and a second lens. The second lens includes a first part and a second part coupled to the first part with at least one optical property designed to correct a specific user's refractive error. Various other apparatuses, systems, and methods of manufacture are also disclosed.
1 . An apparatus comprising:
a beamsplitter;
a first lens;
a reflective polarizer; and
a second lens configured on an eye side with respect to the first lens, wherein the second lens comprises:
a first part;
a second part coupled to the first part with at least one optical property designed to correct a specific user's refractive error.
2 . The apparatus of claim 1 , wherein the second lens further comprises an accommodation module embedded between the first part of the second lens and the second part of the second lens.
3 . The apparatus of claim 2 , wherein the accommodation module comprises at least one of:
a gradient-index liquid crystal lens or
a Pancharatnam-Berry phase lens.
4 . The apparatus of claim 1 , wherein the second lens further comprising an eye-tracking module embedded between to the first part of the second lens and the second part of the second lens.
5 . The apparatus of claim 1 , wherein:
the first part of the second lens is on a world side of the second lens; and
the second part of the second lens is on the eye side of the second lens.
6 . The apparatus of claim 1 , wherein:
the first part of the second lens is on the eye side of the second lens; and
the second part of the second lens is on a world side of the second lens.
7 . The apparatus of claim 1 , wherein:
the second part of the second lens has at least one optical property designed to correct the specific user's refractive error.
8 . The apparatus of claim 1 , further comprising a substrate layer coupled to the second part of the second lens.
9 . The apparatus of claim 1 , wherein:
the second part of the second lens is optically index-matched to the first part of the second lens; and
the second part of the second lens is diamond turned.
10 . The apparatus of claim 1 , wherein:
the second part of the second lens comprises a higher-index material than the first part of the second lens; and
the second part of the second lens is diamond turned.
11 . The apparatus of claim 1 , wherein:
the second part of the second lens is optically index-matched to the first part of the second lens; and
the second part of the second lens is additively printed.
12 . The apparatus of claim 1 , further comprising an optically clear adhesive stack that couples of the second part of the second lens to the first part of the second lens.
13 . The apparatus of claim 12 , wherein adhesion provided by the optically clear adhesive stack reduces when exposed to radiation at a predetermined wavelength.
14 . The apparatus of claim 13 , wherein the predetermined wavelength comprises an ultraviolet wavelength.
15 . The apparatus of claim 1 , further comprising an optically clear adhesive that couples the second part of the second lens to the first part of the second lens.
16 . The apparatus of claim 15 , wherein the optically clear adhesive is adjacent to a periphery of the second part of the second lens and not adjacent to a center of the second part of the second lens.
17 . A system comprising:
a head-mounted display;
an optical stack configured to transmit images produced by the head-mounted display to an eyebox, the optical stack comprising:
a beamsplitter;
a first lens;
a reflective polarizer; and
a second lens configured on an eye side with respect to the first lens, wherein the second lens comprises:
a first part;
a second part coupled to the first part with at least one optical property designed to correct a specific user's refractive error.
18 . The system of claim 17 , wherein the second lens further comprises an accommodation module embedded between the first part of the second lens and the second part of the second lens.
19 . The system of claim 18 , wherein the accommodation module comprises at least one of:
a gradient-index liquid crystal lens or
a Pancharatnam-Berry phase lens.
20 . A method of manufacture comprising:
creating a second lens by coupling a first part to a second part, the second part having at least one optical property designed to correct a specific user's refractive error; and
aligning a partial reflector, a first lens, a reflective polarizer, and the second lens to form an optical stack that results in a folded optical path when aligned with a display, wherein the second is configured on an eye side with respect to the first lens.