scholarly journals Electron-Rich 4-Substituted Spirobifluorenes: Toward a New Family of High Triplet Energy Host Materials for High-Efficiency Green and Sky Blue Phosphorescent OLEDs

2017 ◽  
Vol 9 (7) ◽  
pp. 6194-6206 ◽  
Author(s):  
Cassandre Quinton ◽  
Sébastien Thiery ◽  
Olivier Jeannin ◽  
Denis Tondelier ◽  
Bernard Geffroy ◽  
...  
Keyword(s):  
High Efficiency ◽  
Triplet Energy ◽  
New Family ◽  
Host Materials ◽  
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

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.

Carbazolylphosphines and carbazolylphosphine oxides: facilely synthesized host materials with tunable mobilities and high triplet energy levels for blue phosphorescent OLEDs

2017 ◽  
Vol 5 (29) ◽  
pp. 7344-7351 ◽  
Author(s):  
Zifeng Zhao ◽  
Gang Yu ◽  
Qiaowen Chang ◽  
Xiaochen Liu ◽  
Yang Liu ◽  
...  
Keyword(s):  
Energy Levels ◽  
Triplet Energy ◽  
Charge Mobility ◽  
Highly Efficient ◽  
Host Materials ◽  
Blue Phosphorescent

Selectively modulating the charge mobility of host materials by the oxidation of phosphines for highly efficient blue phosphorescent OLEDs.

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