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:
Feb. 08, 2000
Filed:
Sep. 12, 1996
Applicant:
Inventor:
Samuel Clagett Strite, Kilchberg, CH;
Assignee:
International Business Machines Corp., Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 40 ; 257103 ; 313504 ; 313506 ; 428917 ;
Abstract
The above objects have been accomplished by providing an OLED having an organic active (53) region with at least one emission layer (EL). The OLED further comprises at least one organic charge transport layer (52) (either a hole transport layer or an electron transport layer), an anode (51) and a cathode (54). This organic charge transport layer (52) is alloyed by introduction of an inorganic component. If said alloyed charge transport layer (52) is a hole transport layer (HTL), for example, the holes are conducted through it by means of the inorganic constituents with reduced voltage drop or heating.