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:
Jul. 24, 2012

Filed:

Jul. 15, 2009
Applicants:

Yoshiro Yamaguchi, Atsugi, JP;

Kiyoshi Shigehiro, Fujisawa, JP;

Yoshinori Machida, Atsugi, JP;

Motohiko Sakamaki, Hadano, JP;

Takeshi Matsunaga, Hadano, JP;

Inventors:

Yoshiro Yamaguchi, Atsugi, JP;

Kiyoshi Shigehiro, Fujisawa, JP;

Yoshinori Machida, Atsugi, JP;

Motohiko Sakamaki, Hadano, JP;

Takeshi Matsunaga, Hadano, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image display medium comprises a display member, a back substrate, spacers having a cell structure held between the substrates, and first particles and second particles, whose colors and charging polarities are different from one another, enclosed between the display member and back substrate. The display member includes a transparent support base, a transparent electrode formed thereon, a transparent dielectric layer formed on the transparent electrode, filters formed on the opposite side from the transparent electrodes side of the support base, and a protective layer formed thereon.


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