US 11,754,768 B2
Augmented reality display device
Tsung-Wei Tu, New Taipei (TW); Yi-Jung Chiu, New Taipei (TW); Shih-Ting Huang, New Taipei (TW); and Yen-Hsien Li, New Taipei (TW)
Assigned to Acer Incorporated, New Taipei (TW)
Filed by Acer Incorporated, New Taipei (TW)
Filed on Aug. 29, 2022, as Appl. No. 17/898,465.
Claims priority of application No. 110148367 (TW), filed on Dec. 23, 2021.
Prior Publication US 2023/0204845 A1, Jun. 29, 2023
Int. Cl. F21V 8/00 (2006.01); G02F 1/31 (2006.01)
CPC G02B 6/0035 (2013.01) [G02F 1/31 (2013.01); G02F 2203/50 (2013.01)] 20 Claims
OG exemplary drawing
1. An augmented reality display device configured to provide an augmented reality image to an eye of a user, wherein the augmented reality display device comprises:
a display module comprising:
a projector providing an original image beam; and
a plurality of switching elements, wherein the switching elements are disposed sequentially on a path of the original image beam, each of the switching elements reflects or transmits the original image beam, and reflection paths of each ray of the original image beam on the switching elements intersect at one point to generate a plurality of image beams;
a plurality of mirror sets disposed on paths of the image beams, wherein the image beams are reflected at different angles on the mirror sets, and the mirror sets reflect the image beams to the eye.