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:
Jul. 07, 2020
Filed:
Mar. 15, 2019
Facebook Technologies, Llc, Menlo Park, CA (US);
Jianru Shi, Union City, CA (US);
Mary Lou Jepsen, Sausalito, CA (US);
FACEBOOK TECHNOLOGIES, LLC, Menlo Park, CA (US);
Abstract
A lens includes immobilized liquid crystals. The liquid crystals in a first region are aligned in a first orientation. The liquid crystals in a second region, located between the first region and a third region and adjacent to the first region and the third region, are aligned in a second orientation that is distinct from the first orientation. The liquid crystals in the third region, located between the second region and a fourth region and adjacent to the second region and the fourth region, are aligned in the first orientation. The liquid crystals in the fourth region, located adjacent to the third region, are aligned in the second orientation. A device with the lens and an array of light emitting devices is also disclosed.