OPHTHALMIC LENS WITH EMBEDDED DIMMER
An ophthalmic lens is provided. The ophthalmic lens includes a first lens having a first flat surface and a first non-flat surface. The ophthalmic lens also includes a second lens having a second flat surface and a second non-flat surface. The ophthalmic lens also includes a first electrode layer disposed at the first flat surface and a second electrode layer disposed at the second flat surface. The ophthalmic lens also includes a dimming material disposed between the first electrode layer and the second electrode layer, and configured to provide an adjustable dimming effect.
1 . An ophthalmic lens, comprising:
a first lens having a first flat surface and a first non-flat surface;
a second lens having a second flat surface and a second non-flat surface;
a first electrode layer disposed at the first flat surface and a second electrode layer disposed at the second flat surface; and
a dimming material disposed between the first electrode layer and the second electrode layer, and configured to provide an adjustable dimming effect.
2 . The ophthalmic lens of claim 1 , wherein the first non-flat surface is a convex surface, and the second non-flat surface is a concave surface.
3 . The ophthalmic lens of claim 1 , wherein each of the first electrode layer and the second electrode layer includes at least one of indium tin oxide (“ITO”), Al-doped zinc oxide (“AZO”), graphene, poly(3,4-ethylenedioxythiophene): poly(styrene-sulfonate) (“PEDOT:PSS”), carbon nanotubes, or silver nanowires.
4 . The ophthalmic lens of claim 1 , wherein the dimming material includes an electrically tunable dimming material.
5 . The ophthalmic lens of claim 4 , wherein the dimming material includes a non-electrically tunable dimming material.
6 . The ophthalmic lens of claim 5 , wherein the non-electrically tunable dimming material includes at least one of a photochromic material, a photodichroic material, or a thermochromic material.
7 . An ophthalmic lens, comprising:
a first lens having a first surface and a second surface, at least one of the first surface or the second surface being a first non-flat surface;
a second lens having a third surface and a fourth surface, at least one of the third surface or the fourth surface being a second non-flat surface; and
a dimming device disposed between the first lens and the second lens, and configured to provide an adjustable dimming effect,
wherein the dimming device includes a dimming material, a first electrode layer disposed at a first side of the dimming material facing the first lens, and a second electrode layer disposed at a second side of the dimming material facing the second lens.
8 . The ophthalmic lens of claim 7 , wherein the second surface and the third surface are flat surfaces, the first surface is a convex surface, and the fourth surface is a concave surface.
9 . The ophthalmic lens of claim 8 , wherein the first electrode layer and the second electrode layers are flat electrode layers disposed at the second surface and the third surface, respectively.
10 . The ophthalmic lens of claim 7 , wherein each of the first surface, the second surface, the third surface, and the fourth surface is a curved surface.
11 . The ophthalmic lens of claim 10 , wherein the first electrode layer and the second electrode layers are curved electrode layers disposed at the second surface and the third surface, respectively.
12 . The ophthalmic lens of claim 7 , wherein each of the first surface, the second surface, and the third surface is a curved surface, and the fourth surface is a flat surface.
13 . The ophthalmic lens of claim 12 , wherein the first electrode layer and the second electrode layer are curved electrode layers disposed at the second surface and the third surface, respectively.
14 . The ophthalmic lens of claim 7 , wherein each of the first electrode layer and the second electrode layer includes at least one of indium tin oxide (“ITO”), Al-doped zinc oxide (“AZO”), graphene, poly(3,4-ethylenedioxythiophene): poly(styrene-sulfonate) (“PEDOT:PSS”), carbon nanotubes, or silver nanowires.
15 . The ophthalmic lens of claim 7 , wherein the dimming material includes an electrically tunable dimming material.
16 . The ophthalmic lens of claim 15 , wherein the dimming material includes a non-electrically tunable dimming material.
17 . A system, comprising:
a light source configured to output an image light;
a light guide coupled with an in-coupling element and an out-coupling element, and configured to guide the image light to an eye-box region of the system, the light guide having a first side facing the eye-box region and a second side opposite to the first side; and
an ophthalmic lens disposed at the second side of the light guide, the ophthalmic lens including:
a first lens having at least one first non-flat surface;
a second lens having at least one second non-flat surface; and
a dimming device disposed between the first lens and the second lens, and configured to provide an adjustable dimming effect,
wherein the dimming device includes a dimming material, a first electrode layer disposed at a first side of the dimming material facing the first lens, and a second electrode layer disposed at a second side of the dimming material facing the second lens.
18 . The system of claim 17 , wherein the ophthalmic lens is a first ophthalmic lens, and the system further includes a second ophthalmic lens disposed at the first side of the light guide.
19 . The system of claim 18 , wherein the first ophthalmic lens is configured to provide an adjustable light transmittance, and the second ophthalmic lens is configured to provide a fixed light transmittance.
20 . The system of claim 17 , wherein the dimming material includes an electrically tunable dimming material and a non-electrically tunable dimming material.