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.

Date of Patent:
Nov. 11, 2025

Filed:

Apr. 23, 2024
Applicant:

E Ink Corporation, Billerica, MA (US);

Inventor:

Craig Lin, Fremont, CA (US);

Assignee:

E Ink Corporation, Billerica, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G02F 1/167 (2019.01); G09G 3/20 (2006.01); G02F 1/1675 (2019.01);
U.S. Cl.
CPC ...
G09G 3/344 (2013.01); G02F 1/167 (2013.01); G09G 3/2003 (2013.01); G02F 2001/1678 (2013.01); G09G 3/2074 (2013.01); G09G 2310/0254 (2013.01); G09G 2310/068 (2013.01);
Abstract

The invention relates to electrophoretic layers containing at least five different particles, and to driving methods for displaying at least five, and in some embodiments, six different colors at each pixel or sub-pixel. The electrophoretic layers may also contain uncharged neutral buoyancy particles, and the driving methods may include special shaking waveform sequences.


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