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:
Mar. 08, 2011
Filed:
Feb. 01, 2010
Satoshi Uchino, Tokyo, JP;
Okushi Okuyama, Tokyo, JP;
Yukio Hosoya, Tokyo, JP;
Hiroyuki Konno, Tokyo, JP;
Kouji Shibata, Tokyo, JP;
Tatsuya Nagase, Tokyo, JP;
Satoshi Uchino, Tokyo, JP;
Okushi Okuyama, Tokyo, JP;
Yukio Hosoya, Tokyo, JP;
Hiroyuki Konno, Tokyo, JP;
Kouji Shibata, Tokyo, JP;
Tatsuya Nagase, Tokyo, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
An image display apparatus comprising two substrates at least one of which is transparent, ribs for maintaining a distance between the substrates and display particles that are sealed between the substrates in a powder state, and displaying an image by generating an electric field between the substrates so that the display particles are moved, wherein of contact faces to the display particles in the gap between the substrates, at least the contact faces of ribs to the display particles have an arithmetic average roughness Ra in a range from 0.01 to 0.20 μm and an average interval Sm of irregularities in a range from 0.5 to 2.5 μm.