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. 24, 2023
Filed:
Jan. 30, 2021
Applicant:
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Inventors:
Afsoon Jamali, Redmond, WA (US);
Yingfei Jiang, Sarasota, FL (US);
Assignee:
META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/13363 (2006.01);
U.S. Cl.
CPC ...
G02F 1/13363 (2013.01); G02F 2413/03 (2013.01); G02F 2413/07 (2013.01); G02F 2413/12 (2013.01); G02F 2413/13 (2013.01); G02F 2413/14 (2013.01);
Abstract
An optical element is provided. The optical element includes a positive-C film including a liquid crystal ('LC') layer. The optical element also includes a positive-A film. The optical element also includes a negative biaxial retardation film disposed between the positive-A film and the positive-C film.
Quick Actions:
Jamali, Afsoon. (2023). Broadband and wide viewing angle waveplate having pi-cell (U.S. Patent No. 11561437). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11561437
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile