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:
Sep. 08, 2015
Filed:
May. 25, 2011
Andriy Bitman, Dortmund, DE;
Oliver Mueller-marc, Appenzell, CH;
Dieter Jerosch, Bad Soden, DE;
advanced display technology AG, Appenzell, CH;
Abstract
A device for displaying information comprising at least one display element which includes: a liquid, the surface energy thereof being variable by means of an electric field; a first and a second volume for receiving the liquid, wherein said first and said second volume are defined by a first effective radius or a second effective radius, respectively, a fluidic passage between said first and said second volume, wherein in a first state said liquid substantially occupies said first volume and wherein in a second state said liquid substantially occupies said second volume, is characterized in that said passage is configured such that the fraction of the liquid facing to the unoccupied volume comprises a radius which is smaller than the effective radius of the presently occupied volume.