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:
Sep. 30, 2008
Filed:
May. 19, 2006
Naveen Chopra, Oakville, CA;
Peter M. Kazmaier, Mississauga, CA;
Paul F. Smith, Oakville, CA;
Hadi K. Mahabadi, Mississauga, CA;
Man-chung Tam, Mississauga, CA;
Naveen Chopra, Oakville, CA;
Peter M. Kazmaier, Mississauga, CA;
Paul F. Smith, Oakville, CA;
Hadi K. Mahabadi, Mississauga, CA;
Man-Chung Tam, Mississauga, CA;
Xerox Corporation, Norwalk, CT (US);
Abstract
An electrophoretic display device includes a display layer comprised of a multiplicity of individual reservoirs containing a display medium over a conductive substrate, wherein the display medium comprises one or more set of colored particles dispersed in a dielectric fluid, the display medium having an electrical conductivity of about 10to about 10S/m. The device further includes either or both a color filter layer over the display layer, wherein the color filter layer comprises each of a red tinted transparent portion, a blue tinted transparent portion and a green tinted transparent portion, and a dark colored light absorptive backplane under the display layer.