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. 18, 2023
Filed:
Oct. 28, 2020
Meta Platforms Technologies, Llc, Menlo Park, CA (US);
Sheng Ye, Redmond, WA (US);
Lafe Purvis, Redmond, WA (US);
Andrew John Ouderkirk, Kirkland, WA (US);
Manuel Caraballo-Sánchez, Extremadura, ES;
Hayden Erik Hernández, Oxford, GB;
Meta Platforms Technologies, LLC, Menlo Park, CA (US);
Abstract
A liquid lens fluid composition includes a polyphenyl ether molecule having from 2 to 7 aromatic rings, where the rings include ortho substitutions, meta substitutions, or a combination of ortho, meta, and para substitutions. Inter-ring linkages may include sulfur or oxygen. The liquid lens fluid composition may be characterized by a refractive index over the visible spectrum of at least 1.4, a viscosity at room temperature of less than approximately 1000 cP, and a freezing point of less than approximately −10° C.