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. 25, 2017
Filed:
Jun. 02, 2011
Hidehiko Takanashi, Kanagawa, JP;
Yuriko Kaino, Kanagawa, JP;
Aya Shuto, Kanagawa, JP;
Ken Kobayashi, Kanagawa, JP;
Shinichiro Yamada, Kanagawa, JP;
Seiichiro Tabata, Kanagawa, JP;
Hironori Iida, Kanagawa, JP;
Machiko Minatoya, Tokyo, JP;
Shun Yamanoi, Kanagawa, JP;
Masakazu Mitsugi, Kanagawa, JP;
Hidehiko Takanashi, Kanagawa, JP;
Yuriko Kaino, Kanagawa, JP;
Aya Shuto, Kanagawa, JP;
Ken Kobayashi, Kanagawa, JP;
Shinichiro Yamada, Kanagawa, JP;
Seiichiro Tabata, Kanagawa, JP;
Hironori Iida, Kanagawa, JP;
Machiko Minatoya, Tokyo, JP;
Shun Yamanoi, Kanagawa, JP;
Masakazu Mitsugi, Kanagawa, JP;
SONY CORPORATION, Tokyo, JP;
Abstract
The present inventions relate to fine particles for image display having excellent properties and displaying images in black. The fine particles for image display are dispersed (suspended) in an electrophoretic dispersion liquid sealed between two opposing substrates and contain porous carbon materials having values of specific surface area determined by the nitrogen BET method of not less than 100 m/g and pore volume determined by the MP method of not less than 0.1 cm/g or those having values of specific surface area determined by the nitrogen BET method of not less than 100 m/g and at least one peak at not more than 10 nm in pore size distribution obtained by the non-localized density functional theory method.