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:
May. 29, 2007
Filed:
Apr. 07, 2005
Applicant:
Shinya Takagi, Atsugi, JP;
Inventor:
Shinya Takagi, Atsugi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G09G 3/34 (2006.01); G03G 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electrophoretic display device includes a substrate, an electrode formed on a surface of the substrate, and a liquid which contains charged particles and is held on the substrate. Each of the charged particles includes pigment particles, a coating material for coating the pigment particles, and a resinous material containing a plurality of pigment particles coated with the coating material. The liquid contains a charge control agent for electrically charging the resinous material.