Invention Grant
- Patent Title: Organic electroluminescent device comprising a redox-doped electron transport layer and an auxiliary electron transport layer
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Application No.: US15784389Application Date: 2017-10-16
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Publication No.: US11532801B2Publication Date: 2022-12-20
- Inventor: Domagoj Pavicic , Jerome Ganier , Vygintas Jankus , Hyungsun Kim , Byungku Kim , Youngkwon Kim , Younhwan Kim , Hun Kim , Eun Sun Yu , Sung-Hyun Jung
- Applicant: Novaled GmbH , Samsung SDI Co. Ltd.
- Applicant Address: DE Dresden; KR Gyeonggi-do
- Assignee: Novaled GmbH,Samsung SDI Co. Ltd.
- Current Assignee: Novaled GmbH,Samsung SDI Co. Ltd.
- Current Assignee Address: DE Dresden; KR Gyeonggi-do
- Agency: Eversheds Sutherland (US) LLP
- Priority: EP16195375 20161024
- Main IPC: H01L51/50
- IPC: H01L51/50 ; C07D221/18 ; C07D239/70 ; C07D251/24 ; C07D495/04 ; H01L51/00
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.
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