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:
Aug. 08, 2017
Filed:
Jan. 10, 2014
Applicant:
E Ink Corporation, Billerica, MA (US);
Inventors:
Stephen J. Telfer, Arlington, MA (US);
Peter Carsten Bailey Widger, Nashua, NH (US);
Ana L. Lattes, Newton, MA (US);
Dan John Lauber, Somerville, MA (US);
Assignee:
E Ink Corporation, Billerica, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02F 1/167 (2006.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); G02B 26/00 (2013.01); G02F 2001/1678 (2013.01);
Abstract
An electro-optic display has a viewing surface through which a user views the display, a bistable, non-electrochromic electro-optic medium, and at least one electrode arranged to apply an electric field to the electro-optic medium, the display. The display comprises at least 10 micromoles per square meter of the viewing surface of at least one redox compound having an oxidation potential more negative that about 150 mV with respect to a standard hydrogen electrode, as measured at pH 8.