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:
Feb. 24, 2009
Filed:
Oct. 29, 2003
Hiroyuki Yamakita, Osaka, JP;
Toshiyasu Oue, Nara, JP;
Naohide Wakita, Suita, JP;
Mariko Kawaguri, Moriguchi, JP;
Hiroyuki Yamakita, Osaka, JP;
Toshiyasu Oue, Nara, JP;
Naohide Wakita, Suita, JP;
Mariko Kawaguri, Moriguchi, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A thin display device is provided which is capable of displaying images at a lowered driving voltage in a shortened response time by causing fine particles to travel in a gaseous phase. The display device includes: a display section having upper substrateand lower substrateeach having a thickness ranging from about 0.1 mm to about 0.5 mm, which are disposed opposite to each other; colored particleshaving a particle diameter ranging from about 1 μm to about 10 μm packed in an air layerprovided in the gap between the upper substrateand the lower substrate; and first electrodeand second electrodeformed on the underside of the upper substrate. The colored particlesused in the display device are electrostatically charged either negatively or positively and are caused to travel between the first electrodeand the second electrodein accordance with voltage applied to the first and second electrodesand