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:
May. 21, 2013
Filed:
Apr. 04, 2011
Eva Chen, Somerville, MA (US);
Richard M. Webber, Brookline, MA (US);
David D. Miller, Wakefield, MA (US);
Jonathan Kim Nguyen, Lexington, MA (US);
Eva Chen, Somerville, MA (US);
Richard M. Webber, Brookline, MA (US);
David D. Miller, Wakefield, MA (US);
Jonathan Kim Nguyen, Lexington, MA (US);
E Ink Corporation, Cambridge, MA (US);
Abstract
An electrophoretic medium comprises a continuous phase and a discontinuous phase. The discontinuous phase comprises a plurality of droplets, each of which comprises a fluid and at least one charged particle disposed within the fluid and capable of moving through the fluid upon application of an electric field to the electrophoretic medium. The continuous phase surrounds and encapsulates the discontinuous phase and comprising a polymeric binder and a salt, the salt having an anion containing at least one fluorine atom and having a water solubility of at least about 0.25 per cent by weight at 25° C.