Effect of the Charge Balance on High-Efficiency Blue-Phosphorescent Organic Light-Emitting Diodes

2009 ◽  
Vol 1 (6) ◽  
pp. 1169-1172 ◽  
Author(s):  
Neetu Chopra ◽  
Jaewon Lee ◽  
Ying Zheng ◽  
Sang-Hyun Eom ◽  
Jiangeng Xue ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Charge Balance ◽  
Light Emitting ◽  
Organic Light ◽  
Blue Phosphorescent

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

Dibenzo[b,d]furan and dibenzo[b,d]thiophene molecular dimers as hole blocking materials for high-efficiency and long-lived blue phosphorescent organic light-emitting diodes

2019 ◽  
Vol 7 (31) ◽  
pp. 9599-9608 ◽  
Author(s):  
Seokhoon Jang ◽  
Kyung Hyung Lee ◽  
Jun Yeob Lee ◽  
Youngu Lee
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Blue Phosphorescent

Novel hole blocking materials based on dibenzo[b,d]furan and dibenzo[b,d]thiophene molecular dimers are synthesized for high-efficiency and long-lived blue phosphorescent OLEDs.

High efficiency blue phosphorescent organic light emitting diodes

2009 ◽  
Author(s):  
Neetu Chopra ◽  
Jaewon Lee ◽  
Ying Zheng ◽  
Sang-Hyun Eom ◽  
Jiangeng Xue ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
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.

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