22.4: Synthesis of Host Materials for Blue Phosphorescent Organic Light Emitting Diodes (OLEDs) with High Efficiency and Low Driving Voltage

2015 ◽  
Vol 46 (1) ◽  
pp. 323-325 ◽  
Author(s):  
Sung Yong Byeon ◽  
Seok Ho Hwang ◽  
Oh Young Kim ◽  
Jun Yeob Lee
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Driving Voltage ◽  
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.

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

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.

New Bipolar Host Materials for Realizing Blue Phosphorescent Organic Light-Emitting Diodes with High Efficiency at 1000 cd/m2

2014 ◽  
Vol 6 (22) ◽  
pp. 19808-19815 ◽  
Author(s):  
Min Ju Cho ◽  
Sun Jae Kim ◽  
Seung Hee Yoon ◽  
Jicheol Shin ◽  
Tae Ryang Hong ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent
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