Molecular Design of Blue Phosphorescent Host Materials for Phenylimidazole-Type Blue Triplet Emitters to Extend Operational Lifetime

2018 ◽  
Vol 6 (12) ◽  
pp. 1701263 ◽  
Author(s):  
Sung Yong Byeon ◽  
Si Hyun Han ◽  
Jun Yeob Lee
Keyword(s):  
Molecular Design ◽  
Host Materials ◽  
Operational Lifetime ◽  
Blue Phosphorescent

Molecular design of large-bandgap host materials and their application to blue phosphorescent organic light-emitting diodes

2015 ◽  
Vol 26 ◽  
pp. 218-224 ◽  
Author(s):  
Ju Sik Kang ◽  
Tae Ryang Hong ◽  
Hyung Jong Kim ◽  
Young Hoon Son ◽  
Jong-Kwan Bin ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Molecular Design ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent

Molecular design of host materials for high power efficiency in blue phosphorescent organic light-emitting diodes doped with an imidazole ligand based triplet emitter

2016 ◽  
Vol 4 (17) ◽  
pp. 3792-3797 ◽  
Author(s):  
Chan Seok Oh ◽  
Jun Yeob Lee ◽  
Chang Ho Noh ◽  
Sung Han Kim
Keyword(s):  
Power Efficiency ◽  
Light Emitting Diodes ◽  
Molecular Design ◽  
Design Strategy ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent ◽  
Triplet Emitter

Molecular design strategy to improve the power efficiency of blue phosphorescent organic light-emitting diodes was proposed by introducing a CN modified carbazole moiety.

Molecular design and synthetic approach to C2,C3,C4-modified carbazoles: high triplet energy bipolar host materials for efficient blue phosphorescent organic light emitting diodes

2019 ◽  
Vol 55 (56) ◽  
pp. 8178-8181 ◽  
Author(s):  
Rajendra Kumar Konidena ◽  
Kyung Hyung Lee ◽  
Jun Yeob Lee
Keyword(s):  
Light Emitting Diodes ◽  
Molecular Design ◽  
Organic Light Emitting Diodes ◽  
Synthetic Approach ◽  
Triplet Energy ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent

Herein, we report the first examples of the design of and synthetic approach to C3/C4 and C2/C3/C4-modified carbazole based high triplet energy bipolar host materials for blue phosphorescent organic light emitting diodes.

Molecular design of triazine and carbazole based host materials for blue phosphorescent organic emitting diodes

2015 ◽  
Vol 17 (20) ◽  
pp. 13553-13558 ◽  
Author(s):  
Mounggon Kim ◽  
Sang Kyu Jeon ◽  
Seok-Ho Hwang ◽  
Jun Yeob Lee
Keyword(s):  
Molecular Design ◽  
Methyl Substituent ◽  
Triplet Energy ◽  
Host Materials ◽  
Blue Phosphorescent

The triplet energy of the host was managed by inserting a methyl substituent in the phenyl linkage between triazine and carbazole.

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
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