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. 29, 2009
Filed:
Feb. 14, 2006
Applicants:
Hiroyuki Hara, Chino, JP;
Rie Makiura, Suwa, JP;
Inventors:
Hiroyuki Hara, Chino, JP;
Rie Makiura, Suwa, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An organic electroluminescence device includes: an emissive layer between an anode and a cathode facing each other; an anode buffer layer formed of a conductive material, installed between the anode and the emissive layer; a cathode buffer layer formed of the conductive material, installed between the cathode and the emissive layer; and a driving device which alternately applies a forward-biased voltage and a reverse-biased voltage which have different voltage values and polarities, to the anode and the cathode.