US 11,698,531 B2
Optical device combining spectacle function with augmented reality function and augmented reality device
Yi-Jung Chiu, New Taipei (TW); and Wei-Kuo Shih, New Taipei (TW)
Assigned to Acer Incorporated, New Taipei (TW)
Filed by Acer Incorporated, New Taipei (TW)
Filed on Sep. 26, 2020, as Appl. No. 17/33,687.
Claims priority of application No. 109113660 (TW), filed on Apr. 23, 2020.
Prior Publication US 2021/0333552 A1, Oct. 28, 2021
Int. Cl. G02B 27/01 (2006.01); G02C 7/02 (2006.01); G02B 27/42 (2006.01)
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
OG exemplary drawing
 
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.