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:
Nov. 22, 2022
Filed:
Oct. 25, 2018
Applicant:
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Inventors:
Nihar Ranjan Mohanty, Snoqualmie, WA (US);
Ningfeng Huang, Redmond, WA (US);
Assignee:
META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02S 40/20 (2014.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
H02S 40/20 (2014.12); G02B 6/0015 (2013.01); G02B 6/0076 (2013.01);
Abstract
Techniques related to reclamation of energy leaking from waveguides are disclosed. One or more photovoltaic cells may receive light leaking from a waveguide at a first surface of the wave guide. The first surface may be opposite to a second surface at which an in-coupling element is located. The light leaking from the waveguide results from inefficiency in redirecting incoming light for propagation within the waveguide. The one or more photovoltaic cells may generate electric power from the light leaking from the waveguide.