Patent · US Active

Organic electroluminescent device comprising a redox-doped electron transport layer and an auxiliary electron transport layer

US11532801B2 · kind B2 · utility

0Cited by

4References

11Claims

0Family size

Assignees

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

Inventors

Domagoj Pavicic · Dresden, DE
Jerome Ganier · Dresden, DE
Vygintas Jankus · Dresden, DE
Hyungsun Kim · Seoul, KR
Byungku KIM · Suwon-si, KR
Youngkwon KIM · Jeomgok-myeon, KR
Younhwan KIM · Suwon-si, KR
Hun Sang Kim · San Ramon, US
Eun-Sun Yu · Suwon-si, KR
Sung-Hyun JUNG · Uiwang-si, KR

Key dates

Filing date	Oct 16, 2017
Grant date	Dec 20, 2022
Priority date	—
Expiry date	Mar 15, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2102/3035
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to an organic electroluminescent device, particularly 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 first electron transport matrix compound and the second electron transport layer comprises second electron transport matrix compound and a redox n-dopant, and a device comprising the OLED.

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