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:
Apr. 29, 2014
Filed:
Jan. 25, 2010
Yoshiki Takei, Matsumoto, JP;
Eiji Miyasaka, Suwa, JP;
Yoshiki Takei, Matsumoto, JP;
Eiji Miyasaka, Suwa, JP;
Seiko Epson Corporation, , JP;
Abstract
A method for driving an electrophoretic display device, which includes a first electrode, a second electrode, and an electrophoretic element disposed between the first electrode and the second electrode, the method includes: setting a multiplication of a driving voltage and a voltage application time of the electrophoretic element in a unit period, which displays a first gradation with minimum reflectivity, and a multiplication of a driving voltage and a voltage application time of the electrophoretic element in the unit period, which displays a second gradation with maximum reflectivity, so as to be different from each other.