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:
Jun. 25, 2019
Filed:
May. 12, 2016
Applicant:
E Ink California, Llc, Fremont, CA (US);
Inventors:
Ming Wang, Fremont, CA (US);
Yu Li, Fremont, CA (US);
Hui Du, Milpitas, CA (US);
Xiaojia Zhang, Saratoga, CA (US);
Craig Lin, Oakland, CA (US);
Assignee:
E INK CALIFORNIA, LLC, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G09G 3/34 (2006.01); G02B 26/00 (2006.01); G02B 26/02 (2006.01); G02F 1/133 (2006.01); G02F 1/167 (2019.01); G02F 1/1675 (2019.01); G02F 1/1681 (2019.01);
U.S. Cl.
CPC ...
G09G 3/2003 (2013.01); G02B 26/007 (2013.01); G02B 26/026 (2013.01); G02F 1/13306 (2013.01); G02F 1/167 (2013.01); G09G 3/34 (2013.01); G09G 3/344 (2013.01); G02F 1/1681 (2019.01); G02F 2001/1678 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0452 (2013.01); G09G 2300/0473 (2013.01); G09G 2310/06 (2013.01); G09G 2310/068 (2013.01); G09G 2320/0666 (2013.01); G09G 2340/06 (2013.01); G09G 2380/14 (2013.01);
Abstract
The present invention provides a solution for a highlight or multicolor display device, in which each display cell can display high quality color states. More specifically, an electrophoretic fluid is provided which comprises three types of pigment particles, having different levels of size, threshold voltage or charge intensity.