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:
Jul. 01, 2025
Filed:
Aug. 15, 2024
Applicant:
E Ink Corporation, Billerica, MA (US);
Inventor:
Amit Deliwala, Andover, MA (US);
Assignee:
E Ink Corporation, Billerica, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G02F 1/167 (2019.01); G02F 1/1679 (2019.01); G02F 1/1685 (2019.01);
U.S. Cl.
CPC ...
G09G 3/344 (2013.01); G02F 1/167 (2013.01); G02F 1/1679 (2019.01); G02F 1/1685 (2019.01); G09G 2320/0209 (2013.01); G09G 2320/0242 (2013.01);
Abstract
Enhanced push pull driving 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 when using a voltage driver having at least five different voltage levels.