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. 30, 2026
Filed:
Nov. 22, 2022
Applicant:
Sony Group Corporation, Tokyo, JP;
Inventors:
Assignee:
Sony Group Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/0026 (2013.01); G02B 6/005 (2013.01); G02B 6/0068 (2013.01);
Abstract
An input coupling grating (ICG) for a waveguide-based display comprises an input region that receives light and a plurality of unit cells. Each unit cell includes photonic structures arranged at a pitch. The photonic structures of at least one first unit cell have at least one different structural characteristic than the photonic structures of at least one second unit cell.
Shimizu, Kazue. (2026). Input coupling gratings for waveguide-based displays (U.S. Patent No. 12669639). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12669639
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