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:
Oct. 26, 2004
Filed:
May. 03, 2002
Applicant:
Inventors:
Hideaki Ueda, Kishiwada, JP;
Akihito Hisamitsu, Amagasaki, JP;
Takeshi Kitahora, Amagasaki, JP;
Yoshihisa Terasaka, Suita, JP;
Keiichi Furukawa, Suita, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 3/300 ; H05B 3/306 ;
U.S. Cl.
CPC ...
H05B 3/300 ; H05B 3/306 ;
Abstract
An organic electro-luminescence display element comprising at least a positive electrode, an organic luminescent film and a negative electrode, wherein the positive electrode is formed of an electrically conductive film having transparency, the negative electrode is formed of a metal film containing metal having a low work function, and the negative electrode is connected to a power supply lead portion made of a transparent and conductive film.