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:
Feb. 16, 2021
Filed:
Aug. 29, 2018
Applicant:
E Ink Corporation, Billerica, MA (US);
Inventor:
David Darrell Miller, Wakefield, MA (US);
Assignee:
E Ink Corporation, Billerica, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/167 (2019.01); G02F 1/1675 (2019.01); G02F 1/1681 (2019.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); G02F 1/1681 (2019.01); G02F 2001/1678 (2013.01);
Abstract
An electrophoretic medium comprises a plurality of charged particles disposed in a fluid. The fluid comprises at least about 75, and preferably at least about 95, percent by weight of a hydrocarbon selected from monounsaturated nonenes, nonane and methyloctane. The electrophoretic medium is especially useful in microcell electrophoretic media comprising a substrate having a plurality of cavities, and a sealing layer closing the open ends of the cavities, the cavities being filled with the electrophoretic medium.