Achievement of high efficiency with extremely low efficiency roll-off in solution-processed thermally activated delayed fluorescence OLEDs manufactured using xanthone-based bipolar host materials
Author:
Affiliation:
1. Department of Chemistry
2. Research Institute for Natural Sciences
3. Korea University
4. Seoul
5. Korea
Abstract
Two bipolar hosts as structural isomers were designed and synthesized for solution-processable green TADF-OLEDs. Corresponding devices showed excellent EQE over 21% and low efficiency roll-off.
Funder
National Research Foundation of Korea
LG Display
Publisher
Royal Society of Chemistry (RSC)
Subject
Materials Chemistry,General Chemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2020/TC/D0TC01144D
Reference34 articles.
1. Polarity-Tunable Host Materials and Their Applications in Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes
2. Chromenopyrazole-Based Bipolar Blue Host Materials for Highly Efficient Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes
3. Non-doped thermally activated delayed fluorescent organic light-emitting diodes using an intra- and intermolecular exciplex system with a meta-linked acridine–triazine conjugate
4. Cyanopyrimidine–Carbazole Hybrid Host Materials for High-Efficiency and Low-Efficiency Roll-Off TADF OLEDs
5. Highly efficient bipolar host materials towards solution-processable blue and green thermally activated delayed fluorescence organic light emitting diodes
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