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:
Oct. 26, 2021
Filed:
Jun. 12, 2019
Applicant:
E Ink Corporation, Billerica, MA (US);
Inventor:
Donal O'Keeffe, Parteen, IE;
Assignee:
E Ink Corporation, Billerica, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/167 (2019.01); E06B 9/24 (2006.01); G02F 1/1675 (2019.01);
U.S. Cl.
CPC ...
G02F 1/1675 (2019.01); E06B 9/24 (2013.01); G02F 1/167 (2013.01); E06B 2009/2464 (2013.01); G02F 2001/1678 (2013.01);
Abstract
An electrophoretic device comprises a first electrode and a second electrode spaced apart from the first electrode, and between the electrodes an electrophoretic cell containing an electrophoretic ink and one or more non-planar solid polymer elements. The ink includes charged particles of at least one type suspended in a suspending fluid, and, 75% or more by mass of the suspending fluid is an organosilicone or an aliphatic hydrocarbon and the solid polymer is a fluorinated elastomeric polymer.