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:
Nov. 23, 2010
Filed:
Nov. 20, 2008
Yukio Hosoya, Tokyo, JP;
Eiichi Sakai, Kanagawa, JP;
Shigeki Takenouchi, Tokyo, JP;
Tatsuya Nagase, Tokyo, JP;
Okushi Okuyama, Tokyo, JP;
Yukio Hosoya, Tokyo, JP;
Eiichi Sakai, Kanagawa, JP;
Shigeki Takenouchi, Tokyo, JP;
Tatsuya Nagase, Tokyo, JP;
Okushi Okuyama, Tokyo, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
Disclosed are white particles for an image display device which includes: (i) a pair of substrates facing each other, provided that at least one of the substrates is transparent; and (ii) the white particles enclosed in a gap between the substrates, with which an image is displayed through migration of the white particles by generating an electric field between the substrates, wherein each of the white particles contains: (a) a core particles containing an inorganic oxide having a refractive index of 2.0 or more in an amount of 80 to 99 weight % based on the total weight of the core particle; and (b) a resin layer having a thickness of 10 to 1000 nm on a surface of the core particle.