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:
Jan. 09, 2018
Filed:
May. 25, 2016
Applicant:
E Ink California, Llc, Fremont, CA (US);
Inventors:
Hui Du, Milpitas, CA (US);
Yu Li, Fremont, CA (US);
Wei-Ho Ting, Taichung, TW;
HongMei Zang, Fremont, CA (US);
Ming Wang, Fremont, CA (US);
Assignee:
E INK CALIFORNIA, LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/00 (2006.01); H01B 1/12 (2006.01); G02F 1/167 (2006.01); C09K 9/00 (2006.01); G02F 1/00 (2006.01); G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/167 (2013.01); G02F 2001/1678 (2013.01);
Abstract
The present invention is directed to a display fluid comprising charged composite pigment particles dispersed in a solvent. The composite pigment particles have a density which matches to the density of the solvent in which they are dispersed. A display fluid comprising the composite pigment particles provides improved display performance.