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:
Jun. 06, 2023
Filed:
Sep. 18, 2019
Applicant:
Google Llc, Mountain View, CA (US);
Inventors:
Thibault Louis David Leportier, Kitchener, CA;
Timothy Paul Bodiya, Toronto, CA;
Assignee:
GOOGLE LLC, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); G02B 27/00 (2006.01); G02B 6/12 (2006.01); G02B 6/28 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0081 (2013.01); G02B 6/0028 (2013.01); G02B 6/12 (2013.01); G02B 6/2848 (2013.01); G02B 27/0172 (2013.01); G02B 2006/12102 (2013.01);
Abstract
Systems, devices, and methods for for exit pupil expansion in a curved lens with embedded light guide are described. Exit pupil expansion in a curved lens may be achieved with a light guide comprising an outcoupler with minimized second order diffraction, where the outcoupler applies an optical power to outcoupled light.