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. 31, 2023
Filed:
Oct. 31, 2019
Applicant:
Google Llc, Mountain View, CA (US);
Inventors:
Assignee:
GOOGLE LLC, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G06F 3/01 (2006.01); G03H 1/02 (2006.01); F21V 8/00 (2006.01); G06F 1/16 (2006.01); G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 6/0065 (2013.01); G02B 27/0081 (2013.01); G03H 1/02 (2013.01); G06F 1/163 (2013.01); G06F 3/013 (2013.01); G02B 2027/0174 (2013.01); G02B 2027/0178 (2013.01);
Abstract
Systems, devices, and methods for expanding the eyebox of a wearable heads-up display are described. A light guide with an expanded eyebox includes a light guide material, an in-coupler, an outcoupler, and a gradient refractive index (GRIN) material. The in-coupler and the out-coupler may comprise a GRIN material. An eyeglass lens with expanded eyebox includes a light guide with expanded eyebox. A wearable heads-up display includes an eyeglass lens including a light guide with an expanded eyebox.