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:
Jan. 25, 2011
Filed:
May. 12, 2003
Applicants:
Guofu Zhou, Eindhoven, NL;
Mark Thomas Johnson, Eindhoven, NL;
Inventors:
Guofu Zhou, Eindhoven, NL;
Mark Thomas Johnson, Eindhoven, NL;
Assignee:
Adrea, LLC, Sunnyvale, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrophoretic display has at least one pixel () which comprises electrophoretic material (), a first electrode () and a second electrode (). An addressing circuit () addresses the at least one pixel () by applying between the first electrode () and the second electrode (): (i) a drive pulse (Vdr) with a level in accordance with an optical state to be reached by the at least one pixel (), and (ii) a series of shaking pulses (SP) which have an energy content depending on an optical state of the at least one pixel ().