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. 10, 2017
Filed:
Feb. 19, 2015
E Ink California, Llc, Fremont, CA (US);
Craig Lin, Oakland, CA (US);
Ming Wang, Fremont, CA (US);
Hui Du, Milpitas, CA (US);
Xiaojia Zhang, Fremont, CA (US);
Yu Li, Fremont, CA (US);
Roman Ivanov, Aurora, IL (US);
Yajuan Chen, Fremont, CA (US);
E INK CALIFORNIA, LLC, Fremont, CA (US);
Abstract
The present invention is directed to a color display device in which each pixel can display at least five high-quality color states, and an electrophoretic fluid for such an electrophoretic display. In one aspect, the different types of particles exhibit different levels of attraction force to display different color states. In another aspect, the different types of particles exhibit different levels of mobility in different driving voltage ranges to display different color states.