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:
May. 05, 2015
Filed:
Oct. 08, 2012
Boe Technology Group Co., Ltd., Beijing, CN;
Xiaoxiong Tian, Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
An embodiment of the present invention provides an electrophoretic display device, comprising: a first substrate and a second substrate, wherein electrophoretic liquid is filled between the first substrate and the second substrate; at an inner surface of the second substrate, there are formed with a plurality of cavities, each of the cavities accommodating one full-color display ball therein; at least two magnetic elements are disposed on the inner surface of the cavity, and one magnetic element is disposed at each of two poles of the full-color display ball. The electrophoretic display device provided by the embodiment of the present invention can achieve better color display.