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:
Apr. 13, 2010
Filed:
Sep. 11, 2007
Applicants:
Yoshiaki Kato, Gunma, JP;
Fumisada Maeda, Tokyo, JP;
Inventors:
Yoshiaki Kato, Gunma, JP;
Fumisada Maeda, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/03 (2006.01); G02F 1/06 (2006.01); G02B 26/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is an electrowetting device. The electrowetting device includes a conductive or polar liquid material, and an electrode applying voltage to the liquid material through a dielectric layer. In the electrowetting device, the dielectric layer is formed as an anodized portion made of a metal oxide formed by anodizing the electrode, and a voltage applying unit applying voltage between the electrode and the liquid material and a polar capacitor are placed between the electrode and the liquid material.