Magneto‐Electroluminescence Studies on the Role of Intermolecular Spin–Orbital Coupling Processes for the Transition between Singlet and Triplet Excitons in Exciplex‐Based Phosphorescent Organic Light‐Emitting Diodes

2020 ◽  
Vol 8 (23) ◽  
pp. 2000991
Author(s):  
Xiaomin Guo ◽  
Peisen Yuan ◽  
Xianfeng Qiao ◽  
Dezhi Yang ◽  
Yanfeng Dai ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Spin Orbital ◽  
Light Emitting ◽  
Organic Light ◽  
Coupling Processes ◽  
Triplet Excitons ◽  
Spin Orbital Coupling

Degradation of fluorescent organic light emitting diodes caused by quenching of singlet and triplet excitons

2020 ◽  
Vol 8 (42) ◽  
pp. 14873-14879
Author(s):  
Duy Cong Le ◽  
Duong Dai Nguyen ◽  
Savanna Lloyd ◽  
Toshi-kazu Suzuki ◽  
Hideyuki Murata
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Singlet Exciton ◽  
Organic Light ◽  
Positively Charged ◽  
Triplet Excitons ◽  
Triplet Triplet Annihilation

The initial luminescence loss of fluorescent OLEDs utilizing triplet–triplet annihilation is not only caused by quenching of singlet exciton with neutral quenchers but also by that of triplet excitons with positively charged quenchers.

Improvement of efficiency and its roll-off at high brightness in white organic light-emitting diodes by strategically managing triplet excitons in the emission layer

2018 ◽  
Vol 6 (40) ◽  
pp. 10793-10803 ◽  
Author(s):  
Shian Ying ◽  
Dezhi Yang ◽  
Xianfeng Qiao ◽  
Yanfeng Dai ◽  
Qian Sun ◽  
...  
Keyword(s):  
High Performance ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Emission Layer ◽  
High Brightness ◽  
Light Emitting ◽  
Organic Light ◽  
Low Efficiency ◽  
Triplet Excitons

High-performance WOLEDs realizing high efficiency and low efficiency roll-off simultaneously were achieved by strategically managing triplet excitons in the emission layer.

The Role of Triplet Modulation Layer on White Organic Light-Emitting Diodes

2016 ◽  
Vol 16 (11) ◽  
pp. 11603-11607
Author(s):  
Han Kyu Yoo ◽  
Ho Won Lee ◽  
Song Eun Lee ◽  
Hyun Jung Baek ◽  
Sungkyu Lee ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light
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