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:
Oct. 29, 2024
Filed:
Feb. 07, 2022
Applicant:
E Ink Corporation, Billerica, MA (US);
Inventors:
Amit Deliwala, Andover, MA (US);
Sunil Krishna Sainis, Melrose, MA (US);
Assignee:
E Ink Corporation, Billerica, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/167 (2019.01); G02F 1/1676 (2019.01); G02F 1/1685 (2019.01); G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/344 (2013.01); G02F 1/167 (2013.01); G02F 1/1676 (2019.01); G02F 1/1685 (2019.01); G09G 2300/0842 (2013.01); G09G 2330/021 (2013.01);
Abstract
Continuous waveforms for driving a four-particle electrophoretic medium including four different types of particles, for example a set of scattering particles and three sets of subtractive particles. Methods for identifying a preferred waveform for a target color state or a target transition when using a continuous or quasi-continuous voltage driver/controller.