Structure–Property Relationship of Pyridoindole-Type Host Materials for High-Efficiency Blue Phosphorescent Organic Light-Emitting Diodes

2014 ◽  
Vol 26 (4) ◽  
pp. 1616-1621 ◽  
Author(s):  
Chil Won Lee ◽  
Jun Yeob Lee
Keyword(s):  
High Efficiency ◽  
Organic Light Emitting Diodes ◽  
Structure Property ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Host Materials ◽  
Structure Property Relationship ◽  
Relationship Of ◽  
Blue Phosphorescent

Manipulation of electron deficiency of δ-carboline derivatives as bipolar hosts for blue phosphorescent organic light-emitting diodes with high efficiency at 1000 cd m−2

2016 ◽  
Vol 4 (19) ◽  
pp. 4226-4235 ◽  
Author(s):  
Zhen Zhang ◽  
Jingwei Xie ◽  
Zixing Wang ◽  
Bowen Shen ◽  
Hedan Wang ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Structure Property ◽  
Light Emitting ◽  
Organic Light ◽  
Structure Property Relationship ◽  
Electron Deficiency ◽  
Relationship Of ◽  
Blue Phosphorescent

Structure–property relationship of pyridine-modified δ-carboline derivatives as bipolar hosts for highly efficient blue OLED.

High-efficiency red, green and blue phosphorescent homojunction organic light-emitting diodes based on bipolar host materials

2011 ◽  
Vol 12 (5) ◽  
pp. 843-850 ◽  
Author(s):  
Chao Cai ◽  
Shi-Jian Su ◽  
Takayuki Chiba ◽  
Hisahiro Sasabe ◽  
Yong-Jin Pu ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent

Low-driving-voltage sky-blue phosphorescent organic light-emitting diodes with bicarbazole-bipyridine bipolar host materials

2021 ◽  
Author(s):  
Deli Li ◽  
Di Liu ◽  
Jiuyan Li ◽  
Ruizhi Dong ◽  
Botao Liu ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Driving Voltage ◽  
Light Emitting ◽  
Turn On ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent

Two bipolar host containing bipyridine and bicarbazole exhibited rapid and balanced charge transportation, which resulting the extremely low turn-on voltages of 2.3 and 2.4 V, respectively, and the high efficiency of 23.7% and 52.6 lm W−1.

Correlation of the molecular structure of host materials with lifetime and efficiency of blue phosphorescent organic light-emitting diodes

2015 ◽  
Vol 17 (37) ◽  
pp. 24468-24474 ◽  
Author(s):  
Ji Won Yang ◽  
Jun Yeob Lee
Keyword(s):  
Molecular Structure ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Backbone Structure ◽  
Blue Phosphorescent

High efficiency and stable blue phosphorescent organic light-emitting diodes were developed using host materials derived from the bicarbazole backbone structure.

Triazine-dibenzofuran-Based n-Type Host Materials for High-Efficiency and Long-Lifetime Green Phosphorescent Organic Light-Emitting Diodes

2021 ◽  
Author(s):  
Dong Jun Kim ◽  
Sunhee Lee ◽  
Yong Hui Lee ◽  
Hyungkeun Jang ◽  
Kwang-Hyun Ahn ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Host Materials ◽  
Long Lifetime

Effective host materials are required to improve the performance of phosphorescent organic light-emitting diodes (PhOLEDs). Herein, a series of triazine-dibenzofuran-based n-type host materials, DBT1–DBT4, was prepared by varying the substitution...

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