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. 25, 2001
Filed:
Jul. 17, 1998
Applicant:
Inventors:
Michio Arai, Tokyo, JP;
Kenji Nakaya, Chiba, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D 3/04 ; B05D 5/06 ; B05D 5/12 ;
U.S. Cl.
CPC ...
B05D 3/04 ; B05D 5/06 ; B05D 5/12 ;
Abstract
An apparatus and a process for the production of an organic EL device, which permits a high freedom of apparatus designing, permits effective processing and gives an organic EL device having a high light emission efficiency and excellent device characteristics, the apparatus comprising means of cleaning a surface of a substrate on which at least a hole-injecting electrode is formed, and means of forming an organic layer on the cleaned surface of the substrate, the cleaning means being for performing the cleaning with ozone gas generated with the ozonizer.