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. 13, 2016
Filed:
Apr. 28, 2014
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Mingchao Wang, Beijing, CN;
Junwei Wang, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
The present invention discloses an electrowetting display device and a method for preparing the same. The electrowetting display device comprises several fluid chambers and a polar fluid accommodated in the fluid chambers, wherein the fluid chamber comprises a base; the base comprises a first electrode and a second electrode that are insulated from each other and an electro-conversion film, wherein the electro-conversion film is located on one side of the first electrode that is adjacent to the polar fluid; and wherein the contact angle between the electro-conversion film and the polar fluid converts in the range from a first contact angle to a second contact angle according to the magnitude of a voltage applied; the first contact angle is no larger than 25 degrees, and the second contact angle is no less than 90 degrees.