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:
Mar. 13, 2001
Filed:
Oct. 20, 1998
Applicant:
Inventor:
Teruo Kusaka, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 ; H01J 6/304 ;
U.S. Cl.
CPC ...
H01J 1/62 ; H01J 6/304 ;
Abstract
An EL display device has organic EL elements. In each organic EL element, an organic thin film having a transparent electrode on one surface and a metal electrode on the other surface is formed on a substrate, and positive and negative carriers are injected from the transparent electrode and the metal electrode, respectively, to emit light. The substrate is a circuit board having a metal interconnection, and the metal electrode of each organic EL element is formed at a predetermined portion on the upper surface of the circuit board.