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. 08, 2022
Filed:
Aug. 13, 2019
Applicant:
E Ink California, Llc, Fremont, CA (US);
Inventors:
Assignee:
E INK CALIFORNIA, LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/167 (2019.01); B43L 1/00 (2006.01); G02F 1/1685 (2019.01); G06F 3/0354 (2013.01); G02F 1/16757 (2019.01);
U.S. Cl.
CPC ...
G02F 1/1685 (2019.01); B43L 1/00 (2013.01); G02F 1/167 (2013.01); G06F 3/03545 (2013.01); G02F 1/16757 (2019.01); G02F 2201/44 (2013.01);
Abstract
A writing apparatus including a first electrode, a layer of piezoelectric material; and a layer of electrophoretic material positioned between the first electrode and the layer of piezoelectric material, wherein stress on the layer of piezoelectric material results in optical changes in the layer of electrophoretic material.