New dibenzofuran/spirobifluorene hybrids as thermally stable host materials for efficient phosphorescent organic light-emitting diodes with low efficiency roll-off

2012 ◽  
Vol 14 (41) ◽  
pp. 14224 ◽  
Author(s):  
Shou-Cheng Dong ◽  
Chun-Hong Gao ◽  
Zhao-Hu Zhang ◽  
Zuo-Quan Jiang ◽  
Shuit-Tong Lee ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Thermally Stable ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Low Efficiency

Multifunctional pyridine styrylphenanthroimidazoles: Electron transport materials for blue FOLEDs with low efficiency roll-off and host for PHOLEDs with low turn-on voltage

2021 ◽  
Author(s):  
Jayaraman Jayabharathi ◽  
Sekar Sivaraj ◽  
Venugopal Thanikachalam ◽  
Jagathratchagan Anudeebhana
Keyword(s):  
Electron Transport ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Turn On ◽  
Organic Light ◽  
Host Materials ◽  
Low Efficiency

We have reported pyridine styrylphenanthroimidazole derivatives, SPPI-C2Py, SPPI-N1Py and SPPI-C2N1Py as efficient electron transport materials (ETMs) for blue fluorescent OLEDs (FOLEDs) and host materials for phosphorescent organic light emitting diodes...

Thermally stable fluorescent blue organic light-emitting diodes using spirobifluorene based anthracene host materials with different substitution position

2010 ◽  
Vol 160 (11-12) ◽  
pp. 1184-1188 ◽  
Author(s):  
Sang Eok Jang ◽  
Chul Woong Joo ◽  
Kyoung Soo Yook ◽  
Joon-Woo Kim ◽  
Chil-Won Lee ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Thermally Stable ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials

scholarly journals Highly efficient triazine/carbazole-based host material for green phosphorescent organic light-emitting diodes with low efficiency roll-off

RSC Advances ◽  
2017 ◽  
Vol 7 (12) ◽  
pp. 7287-7292 ◽  
Author(s):  
Mingming Hu ◽  
Yang Liu ◽  
Yi Chen ◽  
Wenxuan Song ◽  
Lei Gao ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Host Material ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light ◽  
Host Materials ◽  
Low Efficiency

Two novel triazin/carbazole-based host materials were designed and synthesized, which demonstrated outstanding EL performance with maximum CE, PE and EQE of 69.3 cd A−1, 54.2 lm W−1 and 21.9%, respectively.

Efficient organic light-emitting diodes based on iridium(III) complexes containing indolo[3,2,1-jk]carbazole derivatives with narrow emission bandwidths and low efficiency roll offs

2021 ◽  
Author(s):  
Xiang-Ji Liao ◽  
Jin-Jun Zhu ◽  
Li Yuan ◽  
Zhi-Ping Yan ◽  
Xu-Feng Luo ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Carbazole Derivatives ◽  
Highly Efficient ◽  
Organic Light ◽  
Low Efficiency ◽  
Narrow Emission

In this work, two cyclometalated ligands 2-(pyridin-2-yl)indolo[3,2,1-jk]carbazole (pyidcz) and 2-(4-(trifluoromethyl)pyridin-2-yl)indolo[3,2,1-jk]carbazole (tfpyidcz) using indolo[3,2,1-jk]carbazole unit were synthesized for highly efficient iridium(III) complexes (pyidcz)2Ir(tmd) and (tfpyidcz)2Ir(tmd) (tmd = 2,2,6,6-tetramethyl-3,5-heptanedione). The two Ir(III)...

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