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. 09, 2017
Filed:
Jun. 09, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Shinobu Yokokawa, Okaya, JP;
Masahiko Nakazawa, Matsumoto, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 9/00 (2006.01); G02F 1/00 (2006.01); G02F 1/167 (2006.01); G03G 17/04 (2006.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); G02F 2001/1678 (2013.01);
Abstract
Electrophoretic particle include a core particle (mother particle); a siloxane-based compound that is bonded to a surface of the core particle and contains a connection structure in which a plurality of siloxane bonds are serially connected to each other; and a charging group that is an organic group bonded to the surface of the core particle, contains a main skeleton, and has a positive or negative electric charge. It is preferable that the occupancy rate of an area to which the siloxane-based compound is bonded on the surface of the core particle be in the range of 0.05% to 20%.