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.

Simultaneous high efficiency/CRI/spectral stability and low efficiency roll-off hybrid white organic light-emitting diodes via simple insertion of ultrathin red/green phosphorescent emitters in a blue exciplex

2020 ◽  
Vol 8 (36) ◽  
pp. 12450-12456 ◽  
Author(s):  
Yuwen Chen ◽  
Yibing Wu ◽  
Chengwei Lin ◽  
Yanfeng Dai ◽  
Qian Sun ◽  
...  
Keyword(s):  
High Performance ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Spectral Stability ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Low Efficiency

High performance hybrid WOLEDs have been realized by precisely inserting ultrathin red/green phosphorescent layers in a blue exciplex emitter.

High efficiency and long lifetime fluorescent white organic light-emitting diodes by phosphor sensitization to strategically manage singlet and triplet excitons

2021 ◽  
Vol 9 (10) ◽  
pp. 3626-3634
Author(s):  
Jingwen Yao ◽  
Wei Liu ◽  
Chengwei Lin ◽  
Qian Sun ◽  
Yanfeng Dai ◽  
...  
Keyword(s):  
High Performance ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Exciton Recombination ◽  
Long Lifetime ◽  
Triplet Excitons ◽  
Recombination Zone

The positions of the phosphor-sensitized yellow EML from the exciton recombination zone were controlled to strategically utilize singlet and triplet excitons for blue and yellow emissions to realize high-performance fluorescent WOLEDs.

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