Patent 9733541 was granted and assigned to Sony on August, 2017 by the United States Patent and Trademark Office.
An electrophoresis device including: in an insulating liquid, migrating particles in a charged state; and a porous layer including a fibrous structure and non-migrating particles, the fibrous structure having a potential opposite to that of the migrating particles, and the non-migrating particles held by the fibrous structure.