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.

Date of Patent:
Mar. 24, 2015

Filed:

Aug. 19, 2013
Applicant:

Fuji Xerox Co., Ltd., Tokyo, JP;

Inventors:

Masaaki Abe, Kanagawa, JP;

Yoshinori Machida, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02F 1/01 (2006.01); G02F 1/167 (2006.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0121 (2013.01); G02F 1/167 (2013.01); G09G 3/344 (2013.01); G09G 2310/06 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0252 (2013.01);
Abstract

A display medium driver includes a translucent display substrate, a rear substrate that is opposed to the display substrate with a gap interposed therebetween, a dispersion medium enclosed between the substrates, a first particle group dispersed in the dispersion medium so as to migrate by applying a first voltage across the substrates, and a second particle group dispersed in the dispersion medium so as to migrate by applying a second voltage across the substrates, the driver including a setting unit setting a voltage value and a voltage application time of the first voltage with which the first particle group does not migrate at the time of causing the second particle group to migrate depending on a display density of the second particle group and a voltage application unit first applying the first voltage across the substrates and then applying the second voltage across the substrates.


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