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.

Date of Patent:
Jun. 13, 2023

Filed:

Jun. 30, 2021
Applicant:

Meta Platforms Technologies, Llc, Menlo Park, CA (US);

Inventors:

Tanya Malhotra, Redmond, WA (US);

Tingling Rao, Bellevue, WA (US);

Liliana Ruiz Diaz, Redmond, WA (US);

Oleg Yaroshchuk, Kyiv, UA;

Sheng Ye, Redmond, WA (US);

Andrew John Ouderkirk, Kirkland, WA (US);

Alexander Koshelev, Redmond, WA (US);

Lafe Joseph Purvis, II, Redmond, WA (US);

Junren Wang, Kirkland, WA (US);

Arman Boromand, Issaquah, WA (US);

Assignee:

META PLATFORMS TECHNOLOGIES, LLC, Menlo Park, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3041 (2013.01); G02B 5/3016 (2013.01); C09K 2323/03 (2020.08); C09K 2323/031 (2020.08); C09K 2323/035 (2020.08);
Abstract

A film stack includes a plurality of first films and a plurality of second films alternately stacked. At least one second film of the plurality of second films includes a solid crystal including crystal molecules aligned in a predetermined alignment direction. At least one first film of the plurality of first films includes an alignment structure configured to at least partially align the crystal molecules of the solid crystal in the predetermined alignment direction.


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