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:
Aug. 13, 2002
Filed:
Feb. 08, 1999
Applicant:
Inventors:
Walter Riess, Adliswil, CH;
Samuel C. Strite, Adliswil, CH;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 3/300 ;
U.S. Cl.
CPC ...
H01L 3/300 ;
Abstract
An organic light emitting device is provided having a substrate ( ), an anode contact electrode ( ), a cathode contact electrode ( ), and an organic region ( ) in which electroluminescence takes place if a voltage is applied between the anode ( ) and cathode ( ). At least one of the electrodes ( ) comprises a non-degenerate wide bandgap semiconductor.