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. 04, 2011
Filed:
May. 21, 2008
Applicants:
Hidekazu Miyake, Kanagawa, JP;
Mitsuru Tada, Kanagawa, JP;
Tomoaki Handa, Tokyo, JP;
Atsushi Ozawa, Kanagawa, JP;
Inventors:
Hidekazu Miyake, Kanagawa, JP;
Mitsuru Tada, Kanagawa, JP;
Tomoaki Handa, Tokyo, JP;
Atsushi Ozawa, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09F 5/00 (2006.01); G09G 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cathode potential controller for controlling a common cathode potential applied to a self light emission type display panel in which an emission state of each of pixels is driven and controlled in accordance with an active matrix drive system, the cathode potential controller including: a self light emitting element; a constant current source; an electrode-to-electrode voltage measuring portion; a cathode potential determining portion; and a cathode potential applying portion.