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. 02, 2007
Filed:
May. 19, 2005
Applicants:
Kazushige Yamamoto, Yokohama, JP;
Mikio Nakasuji, Kawasaki, JP;
Inventors:
Kazushige Yamamoto, Yokohama, JP;
Mikio Nakasuji, Kawasaki, JP;
Assignees:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Matsushita Display Technology Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/50 (2006.01); H05B 33/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
There is provided an organic EL element including an anode, a cathode, and an organic layer, wherein the cathode includes a protective conductor layer which faces the organic layer, a main conductor layer which is interposed between the protective conductor layer and the organic layer, and a barrier layer which is interposed between the protective conductor layer and the main conductor layer and made of an insulator or a semiconductor.