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. 08, 2005
Filed:
Aug. 15, 2002
Koichi Uchiyama, Ibaraki-ken, JP;
Koichi Uchiyama, Ibaraki-ken, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
An image display medium () has a structure, where a film body () having a number of fine film pieces () provided corresponding to display pixels is held between a supporting member () and a covering member (). The supporting member () is provided a number of movable spaces () provided to individually move the fine film pieces () of the film body (). Further, on the film body (), selective switching is made between a state where each fine film piece () is adsorbed and held on the covering member () to shut out a light, and a state where each fine film piece () is adsorbed and held on a spacing wall () of the supporting member () to transmit a light, so that an image is displayed.