High-efficiency pure blue thermally activated delayed fluorescence emitters with a preferentially horizontal emitting dipole orientation via a spiro-linked double D–A molecular architecture

2019 ◽  
Vol 7 (35) ◽  
pp. 10851-10859 ◽  
Author(s):  
Xuan Zeng ◽  
Kuan-Chung Pan ◽  
Wei-Kai Lee ◽  
Shaolong Gong ◽  
Fan Ni ◽  
...  
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Molecular Architecture ◽  
Dipole Orientation ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

A spiro-linked double D–A molecular architecture has been introduced to construct blue thermally activated delayed fluorescence (TADF) emitters with a preferentially horizontal emitting dipole orientation.

High-efficiency thermally activated delayed fluorescence emitters via a high horizontal dipole ratio and controlled dual emission

2020 ◽  
Vol 8 (24) ◽  
pp. 8012-8017
Author(s):  
Youngnam Lee ◽  
Jong-In Hong
Keyword(s):  
High Efficiency ◽  
Delayed Fluorescence ◽  
Dipole Orientation ◽  
Dual Emission ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated

OLED devices based on linear rod-like TADF emitters exhibited high device efficiencies of 29.9% and 25.8% by means of high horizontal emitting dipole orientation and controlled dual emission.

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.

Electrostatic potential dispersing pyrimidine-5-carbonitrile acceptor for high efficiency and long lifetime thermally activated delayed fluorescence organic light-emitting diodes

2019 ◽  
Vol 7 (40) ◽  
pp. 12695-12703 ◽  
Author(s):  
Ji Seon Jang ◽  
Ha Lim Lee ◽  
Kyung Hyung Lee ◽  
Jun Yeob Lee
Keyword(s):  
Electrostatic Potential ◽  
High Efficiency ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light ◽  
Long Lifetime ◽  
Acceptor Moiety

Pyrimidine-5-carbonitrile was developed as an electrostatic potential managing and strong acceptor moiety of thermally activated delayed fluorescent (TADF) emitters for high efficiency and long lifetime in devices.

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