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:
Apr. 21, 2026
Filed:
Aug. 25, 2022
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Assignee:
Apple Inc., Cupertino, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
G03B 21/2066 (2013.01); G02B 3/0068 (2013.01);
Abstract
An optical device includes a substrate that includes a parallelepiped of a transparent dielectric material. The substrate is configured for propagation of a beam of optical radiation through the substrate along a beam path that includes multiple internal reflections within the substrate. The device further includes first and second optical metasurfaces disposed on one or more faces of the substrate at different, first and second points of incidence of the beam path with the one or more faces.