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:
Dec. 02, 2014
Filed:
Sep. 23, 2011
Ming Wang, Union City, CA (US);
Yu LI, Fremont, CA (US);
Hui Du, Milpitas, CA (US);
Xiaojia Wang, Fremont, CA (US);
Haiyan Gu, Fremont, CA (US);
Roman Ivanov, Milpitas, CA (US);
Robert Sprague, Saratoga, CA (US);
Ming Wang, Union City, CA (US);
Yu Li, Fremont, CA (US);
Hui Du, Milpitas, CA (US);
Xiaojia Wang, Fremont, CA (US);
Haiyan Gu, Fremont, CA (US);
Roman Ivanov, Milpitas, CA (US);
Robert Sprague, Saratoga, CA (US);
E Ink California, LLC, Fremont, CA (US);
Abstract
The present invention is directed to an electrophoretic fluid comprising uncharged or lightly charged neutral buoyancy particles. The resulting fluid can improve not only image stability but also contrast ratio of a display device, without significantly affecting the switching speed. The present invention is also directed to an electrophoretic display comprising display cells filled with the electrophoretic fluid.