The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 15, 2022
Filed:
Aug. 12, 2019
Applicant:
Himax Display, Inc., Tainan, TW;
Inventors:
Chien-Tang Wang, Tainan, TW;
Yuet-Wing Li, Tainan, TW;
Assignee:
Himax Display, Inc., Tainan, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); F21V 8/00 (2006.01); G02B 27/01 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0015 (2013.01); G02B 6/0025 (2013.01); G02B 6/0076 (2013.01); G02B 27/0172 (2013.01); G02B 2027/0178 (2013.01);
Abstract
A light guide module and an augmented reality (AR) apparatus are disclosed. The AR apparatus includes a display module and the light guide module. The light guide module includes a first light guide plate and a second light guide plate. The first light guide plate has a light receiving area for receiving optical input light with a predetermined incident angle and a light outputting area for outputting optical input light. The second light guide plate is disposed on the first light guide plate, and has dichroic surfaces for selectively transmitting or reflecting the optical input light.