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:
Jun. 28, 2022
Filed:
Feb. 28, 2020
E Ink California, Llc, Fremont, CA (US);
Craig Lin, Fremont, CA (US);
Yu Li, Fremont, CA (US);
Peter B. Laxton, Marshfield, MA (US);
Lei Liu, Fremont, CA (US);
Hui Du, Milpitas, CA (US);
HongMei Zang, Fremont, CA (US);
E INK CALIFORNIA, LLC, Fremont, CA (US);
Abstract
The present invention is directed to an electrophoretic display device comprising microcells filled with an electrophoretic fluid and a dielectric layer, which comprises a first type of magnetic filler material, a second type of nonmagnetic filler material, and a polymeric material. The first and second types of filler material physically interact with each other and they are fixed and aligned in the dielectric adhesive layer in a direction perpendicular to a plane of the dielectric layer. The dielectric layer exhibits anisotropic conductivity having higher conductivity in the z direction compared to the other two orthogonal directions.