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. 01, 2011
Filed:
Dec. 05, 2007
Seong Deok Ahn, Daejeon, KR;
Seung Youl Kang, Daejeon, KR;
Chul AM Kim, Seoul, KR;
Ji Young OH, Daejeon, KR;
IN Kyu You, Daejeon, KR;
Gi Heon Kim, Daejeon, KR;
Kyu Ha Baek, Daejeon, KR;
Kyung Soo Suh, Daejeon, KR;
Seong Deok Ahn, Daejeon, KR;
Seung Youl Kang, Daejeon, KR;
Chul Am Kim, Seoul, KR;
Ji Young Oh, Daejeon, KR;
In Kyu You, Daejeon, KR;
Gi Heon Kim, Daejeon, KR;
Kyu Ha Baek, Daejeon, KR;
Kyung Soo Suh, Daejeon, KR;
Abstract
Provided are a braille display device using an electrorheological fluid and a method for manufacturing the same. The braille display device includes: a base body in which a plurality of insulating reception grooves are formed; a first electrode arranged below the base body; an electrorheological fluid received in the reception groove; a microcapsule having an electrophoresis particle which is dispersed in the electrorheological fluid; a second electrode arranged above the microcapsule; a braille pin installed above the second electrode; and a braille pin protection film arranged above the braille pin.