CPC G02B 27/0172 (2013.01) [G02B 27/4205 (2013.01); G02C 7/02 (2013.01); G02B 2027/0118 (2013.01); G02B 2027/0174 (2013.01)] | 18 Claims |
1. An optical device combining a spectacle function with an augmented reality function, adapted to let an ambient light beam enter an eye of a user, the optical device comprising:
a spectacle lens having a first surface facing the eye and a second surface facing away from the eye;
a diffractive optical element disposed on the first surface of the spectacle lens or between the first surface and the second surface of the spectacle lens, wherein the diffractive optical element has a third surface facing the eye and a fourth surface facing away from the eye, and the diffractive optical element is a diffractive optical film or a diffractive optical plate; and
a light-shielding element disposed on the second surface of the spectacle lens, wherein the light-shielding element comprises a plurality of strip-shaped light-shielding structures.
|