Patent · US Active

Electron transport layer stack for an organic light-emitting diode

US11011708B2 · kind B2 · utility

1Cited by

3References

14Claims

0Family size

Assignees

Novaled GmbH · DE
SAMSUNG ELECTRONICS CO., LTD. · KR

Inventors

Julien Frey · Dresden, DE
Domagoj Pavicic · Dresden, DE
Carsten Rothe · Dresden, DE
Volodymyr Senkovskyy · Dresden, DE
Francois Cardinali · Dresden, DE
Hyungsun Kim · Seoul, KR
Byungku KIM · Suwon-si, KR

Key dates

Filing date	Oct 19, 2017
Grant date	May 18, 2021
Priority date	—
Expiry date	Sep 5, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2101/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.