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:
Jan. 16, 2018
Filed:
Jun. 01, 2016
Applicants:
Dewen Cheng, Beijing, CN;
Yongtian Wang, Beijing, CN;
Yue Liu, Beijing, CN;
Inventors:
Assignee:
Beijing NED+AR Display Technology Co., Ltd., Beijing, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G02B 9/00 (2006.01); G02F 1/00 (2006.01); G02B 27/01 (2006.01); G02B 27/22 (2006.01); H04N 13/04 (2006.01); H04N 13/00 (2006.01); G02B 5/04 (2006.01); F21V 8/00 (2006.01); G06T 19/00 (2011.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 5/04 (2013.01); G02B 5/045 (2013.01); G02B 6/0031 (2013.01); G02B 27/225 (2013.01); G06T 19/006 (2013.01); H04N 13/0033 (2013.01); H04N 13/044 (2013.01); H04N 13/0443 (2013.01); H04N 13/0459 (2013.01); G02B 2027/0114 (2013.01); G02B 2027/0125 (2013.01); H04N 2213/001 (2013.01);
Abstract
A wearable augmented reality (AR) or virtual reality (VR) display apparatus includes an optical waveguide; an optical free-form surface; and a microdisplay; wherein optical free-form surface is optically coupled to the waveguide through an inclined optical path.