Thermally activated delayed fluorescence emitters with a m,m-di-tert-butyl-carbazolyl benzoylpyridine core achieving extremely high blue electroluminescence efficiencies

2017 ◽  
Vol 5 (11) ◽  
pp. 2919-2926 ◽  
Author(s):  
Pachaiyappan Rajamalli ◽  
Vasudevan Thangaraji ◽  
Natarajan Senthilkumar ◽  
Chen-Cheng Ren-Wu ◽  
Hao-Wu Lin ◽  
...  
Keyword(s):  
High Performance ◽  
Delayed Fluorescence ◽  
Fine Tuning ◽  
Thermally Activated Delayed Fluorescence ◽  
Tert Butyl ◽  
Thermally Activated

High performance blue OLEDs with maximum EQEs over 28% are achieved from TADF emitters by fine tuning the acceptor unit.

New hole transport styrene polymers bearing highly π-extended conjugated side-chain moieties for high-performance solution-processable thermally activated delayed fluorescence OLEDs

2021 ◽  
Vol 12 (11) ◽  
pp. 1692-1699
Author(s):  
Ji Hye Lee ◽  
Jinhyo Hwang ◽  
Chai Won Kim ◽  
Amit Kumar Harit ◽  
Han Young Woo ◽  
...  
Keyword(s):  
High Performance ◽  
High Efficiency ◽  
Delayed Fluorescence ◽  
Hole Transport ◽  
Side Chain ◽  
Solution Processed ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Turn On ◽  
Solution Processable

New polystyrene-based polymers with high π-extended hole transport pendants were synthesized to obtain a low turn-on voltage and high efficiency in solution-processed green TADF-OLEDs.

High-performance fluorescent organic electroluminescent devices benefit from sensitization of thermally activated delayed fluorescence

2021 ◽  
Author(s):  
Rongzhen Cui ◽  
Liang Zhou ◽  
Weisong Sun ◽  
Wenxing Liu ◽  
Jiahai Wang
Keyword(s):  
High Performance ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Electroluminescent Devices ◽  
Fluorescent Material ◽  
Thermally Activated ◽  
Organic Electroluminescent

Efficient fluorescent electroluminescent devices were achieved by exploiting a thermally activated fluorescent material (3,5-bis(3,6-di-tert-butyl-9H-carbazol-9-yl)phenyl)(pyridin-4-yl)methanone (DTCBPy) as a sensitizer.

Double-twist pyridine–carbonitrile derivatives yielding excellent thermally activated delayed fluorescence emitters for high-performance OLEDs

2020 ◽  
Vol 8 (2) ◽  
pp. 602-606 ◽  
Author(s):  
Jiafang Li ◽  
Wen-Cheng Chen ◽  
He Liu ◽  
Zhanxiang Chen ◽  
Danyang Chai ◽  
...  
Keyword(s):  
High Performance ◽  
Design Strategy ◽  
Delayed Fluorescence ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

Two dicyanopyridine-containing TADF emitters were developed via the double-twist design strategy, yielding EQEmax values of 25.8% and 21.1%.

Thermally activated delayed fluorescence exciplex emitters for high-performance organic light-emitting diodes

2021 ◽  
Author(s):  
Ming Zhang ◽  
Cai-Jun Zheng ◽  
Hui Lin ◽  
Si-Lu Tao
Keyword(s):  
High Performance ◽  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light

Owing to their natural thermally activated delayed fluorescence (TADF) characteristics, the development of exciplex emitters for organic light-emitting diodes (OLEDs) has witnessed booming progress in recent years.

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