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:
Sep. 07, 2021
Filed:
Nov. 21, 2018
Facebook Technologies, Llc, Menlo Park, CA (US);
Thomas Wallin, Redmond, WA (US);
Austin Lane, Bellevue, WA (US);
Christopher Yuan Ting Liao, Seattle, WA (US);
Jack Lindsay, Seattle, WA (US);
Tanya Malhotra, Redmond, WA (US);
Andrew John Ouderkirk, Redmond, WA (US);
Katherine Marie Smyth, Seattle, WA (US);
Yigit Mengue, Kirkland, WA (US);
Facebook Technologies, LLC, Menlo Park, CA (US);
Abstract
A device, such as an electroactive device, may include primary electrode and a secondary electrode overlapping at least a portion of the primary electrode. An electroactive polymer element may include a composite polymer material and is disposed between and abuts each of the primary electrode and the secondary electrode. A phase change or other deformable medium such as a liquid, a gas, or a liquid-gas mixture may be disposed as inclusions within the polymer material. The device can be actuated by the application of a voltage between the electrodes and the attendant formation of a Maxwell stress, exposing the deformable medium to a source of radiation, changing a pressure of the deformable medium, or changing a temperature of the deformable medium, e.g., about a phase transformation temperature of the phase change medium.