Optical device

1. An optical device comprising:

a lens including a transparent or translucent material, the lens comprising:

a first lens portion having a first curved surface with a first curvature; and

a second lens portion having a second curved surface corresponding to the first curved surface, a side surface opposite to the second curved surface, and an upper surface sharing a first side of a curve line with the second curved surface;

a display device disposed on a first side surface of the lens;

a convex lens disposed between the first side surface of the lens and the display device; and

a plurality of reflectors disposed on the first curved surface, the plurality of reflectors disposed between the first curved surface and the second curved surface, the plurality of reflectors configured to reflect light of the display device refracted by the convex lens into the upper surface of the second lens portion,

wherein:

an object disposed on other surface of the lens and an image of the display device is viewed from the one surface of the lens by reflecting the reflector which includes an opaque material;

the plurality of reflectors are disposed between the first lens portion and the second lens portion in one direction; and

the display device is disposed on the second lens portion in the one direction.

2. The optical device of claim 1 , wherein the lens comprises an adhesive disposed between the first lens portion and the second lens portion, the adhesive adhering the first curved surface of the first lens portion to the second curved surface of the second lens portion.

3. The optical device of claim 1 , wherein the first curved surface of the first lens portion is concave away from the second lens portion, and

wherein the second curved surface of the second lens portion is convex toward the first curved surface of the first lens portion.

4. The optical device of claim 1 , wherein the first curvature is less than or equal to 0.01 mm −1.

5. The optical device of claim 1 , wherein each of the plurality of reflectors comprises a reflecting surface having a concave curved surface.

6. The optical device of claim 1 , wherein a first lens surface of the convex lens facing the display device is convex toward the display device, and a second lens surface of the convex lens facing the lens is flat.

7. The optical device of claim 1 , wherein a first lens surface of the convex lens facing the display device is flat, and a second lens surface of the convex lens facing the lens is convex.

8. The optical device of claim 1 , wherein a first lens surface of the convex lens facing the display device is convex toward the display device, and a second lens surface of the convex lens facing the lens is convex toward the lens.

9. The optical device of claim 1 , further comprising:

a first spacer disposed between the display device and the convex lens; and

a second spacer disposed between the convex lens and the lens.

10. An optical device comprising:

a lens comprising:

a first lens portion having a first curved surface with a first curvature; and

a second lens portion having a second curved surface corresponding to the first curved surface;

a display device disposed on a first side of the lens; and

a convex lens disposed between the first side surface of the lens and the display device; and

a first reflector and a second reflector disposed on the first curved surface of the lens, the first reflector and the second reflector configured to reflect light of a display device refracted by the convex lens into one surface of the lens,

wherein:

the first reflector and the second reflector comprise reflecting surfaces having a concave curved surface; and

the first reflector or the second reflector overlaps the convex lens and the display device in one direction.

11. The optical device of claim 10 , wherein a curvature of the reflecting surface of the first reflector is equal to a curvature of the reflecting surface of the second reflector.

12. The optical device of claim 10 , wherein the first reflector and the second reflector are arranged in parallel in a width direction of the lens.

13. The optical device of claim 10 , wherein the first reflector and the second reflector are not arranged in parallel in a height direction of the lens.

14. The optical device of claim 13 , further comprising:

a first spacer disposed between the display device and the convex lens; and

a second spacer disposed between the convex lens and the lens.

15. The optical device of claim 10 , wherein the first curved surface of the first lens portion is concave away from the second lens portion, and

wherein the second curved surface of the second lens portion is convex toward the first curved surface of the first lens portion.

16. The optical device of claim 10 , wherein the first curvature is less than or equal to 0.01 mm −1 .

17. An optical device comprising:

a lens comprising:

a first lens portion having a first curved surface with a first curvature; and

a second lens portion having a second curved surface corresponding to the first curved surface;

a display device disposed on a first side surface of the lens;

a convex lens disposed between the first side surface of the lens and the display device; and

a reflector disposed on the first curved surface of the first lens portion of the lens, the reflector configured to reflect light of the display device refracted by the convex lens toward a user's eye,

wherein:

the first curvature is less than or equal to 0.01 mm −1 ;

the reflector includes a first reflector and a second reflector arranged in parallel side-by-side in a width direction of the lens;

the first reflector and the second reflector are disposed between the first lens portion and the second lens portion in one direction; and

the display device is disposed on the second lens portion in one direction.