Deep Blue Fluorescent Material with an Extremely High Ratio of Horizontal Orientation to Enhance Light Outcoupling Efficiency (44%) and External Quantum Efficiency in Doped and Non-Doped Organic Light-Emitting Diodes

2021 ◽  
Author(s):  
Jian Haur Lee ◽  
Hung-Yi Lin ◽  
Chia-Hsun Chen ◽  
Yi-Ting Lee ◽  
Tien-Lung Chiu ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
High Ratio ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Fluorescent Material ◽  
Horizontal Orientation ◽  
Deep Blue ◽  
Organic Light

Deep blue phosphorescent organic light-emitting diodes with excellent external quantum efficiency

2013 ◽  
Vol 14 (12) ◽  
pp. 3228-3233 ◽  
Author(s):  
Jungeun Park ◽  
Hankook Oh ◽  
Sihyun Oh ◽  
Jinho Kim ◽  
Hyun Jin Park ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent

The structure optimization of phenanthroimidazole based isomers with external quantum efficiency approaching 7% in non-doped deep-blue OLEDs

2020 ◽  
Vol 8 (9) ◽  
pp. 2975-2984 ◽  
Author(s):  
Jie-Ji Zhu ◽  
Yuwen Chen ◽  
Yong-Hong Xiao ◽  
Xin Lian ◽  
Guo-Xi Yang ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Structure Optimization ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light

In this work, four phenanthroimidazole (PI) based isomers TPA-PPI-PBI, TPA-PPI-NPBI, PBI-PPI-TPA and NPBI-PPI-TPA for high-efficiency deep-blue organic light-emitting diodes (OLEDs) have been designed and synthesized.

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