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:
Jun. 06, 2017
Filed:
Apr. 14, 2009
Applicant:
Theodore A. Sjodin, Waltham, MA (US);
Inventor:
Theodore A. Sjodin, Waltham, MA (US);
Assignee:
E Ink Corporation, Billerica, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/2011 (2013.01); G09G 3/344 (2013.01); G09G 2320/0204 (2013.01); G09G 2320/0285 (2013.01);
Abstract
A bistable electro-optic display having a plurality of pixels each of which is capable of displaying at least three optical states, including two extreme optical states, is driven by the method comprising a first drive scheme capable of effecting transitions between all of the gray levels which can be displayed by the pixels; and a second drive scheme which contains only transitions ending at one of the extreme optical states of the pixels.