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:
Nov. 26, 2002
Filed:
Nov. 03, 1999
Sony Corporation, Tokyo, JP;
Abstract
Disclosed herein are a display device and a method of driving the same, more particular, the present invention provides a display device comprising display media each of which has a dispersion medium and a large number of electrophoretic particles dispersed in the dispersion medium, the electrophoretic particles being driven by applying an electric field to each of the display media, to thereby perform a desired display operation; wherein the electrophoretic particles comprise small-sized two-color ball electrophoretic particles each of which is composed of a pair of hemispherical portions different from each other in terms of color or reflectance and charging characteristic; and the dispersion medium comprises a colorless/transparent dispersion medium. With this configuration, it is possible to realize the display of clear white and true black, enhance the contrast ratio, realize high speed display switching, and perform multi-color display.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile