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:
Dec. 17, 2013
Filed:
Nov. 10, 2011
Hwan Soo Lee, Seoul, KR;
Yong Soo OH, Gyoenggi-do, KR;
Hwan Soo Lee, Seoul, KR;
Yong Soo Oh, Gyoenggi-do, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Abstract
The present invention provides an electronic paper display device including: a lower structure having first rotating balls; an upper structure disposed on the lower structure and having second rotating balls with a larger size than the first rotating balls; and an insulating oil for filling a space between the lower structure and the upper structure, wherein the first rotating balls are disposed to face a region between the second rotating balls.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile