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:
May. 18, 2021
Filed:
Oct. 19, 2017
Novaled Gmbh, Dresden, DE;
Samsung Sdi Co. Ltd., Gyeonggi-do, KR;
Julien Frey, Sarrebourg, FR;
Domagoj Pavicic, Dresden, DE;
Carsten Rothe, Dresden, DE;
Volodymyr Senkovskyy, Dresden, DE;
Francois Cardinali, Dresden, DE;
Hyungsun Kim, Suwon-si, KR;
Byungku Kim, Suwon-si, KR;
Novaled GmbH, Dresden, DE;
Samsung SDI Co. Ltd., Gyeonggi-do, KR;
Abstract
The present invention relates to an organic light-emitting diode (OLED) including an ETL stack of at least two electron transport layers, wherein the first electron transport layer comprises a charge transporting compound and the second electron transport layer comprises an acridine compound and an alkali metal salt and/or alkali metal organic complex, a method of manufacturing the same and a device comprising the OLED.