Highly efficient bluish green organic light-emitting diodes of iridium(iii) complexes with low efficiency roll-off

2018 ◽  
Vol 47 (22) ◽  
pp. 7587-7593 ◽  
Author(s):  
Ning Su ◽  
Zheng-Guang Wu ◽  
You-Xuan Zheng
Keyword(s):  
Current Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
High Current ◽  
High Current Efficiency ◽  
Light Emitting ◽  
Organic Light ◽  
Bluish Green ◽  
Low Efficiency

Two efficient bluish green iridium(iii) complexes were applied as emitters in the organic light-emitting diodes, which showing high current efficiency of 58.17 cd A−1 and external quantum efficiency of 25.33% with low efficiency roll-off.

Highly efficient green electroluminescence of iridium(iii) complexes based on (1H-pyrazol-5-yl)pyridine derivatives ancillary ligands with low efficiency roll-off

2018 ◽  
Vol 6 (21) ◽  
pp. 5778-5784 ◽  
Author(s):  
Ning Su ◽  
Guang-Zhao Lu ◽  
You-Xuan Zheng
Keyword(s):  
Current Efficiency ◽  
External Quantum Efficiency ◽  
Organic Light Emitting Diodes ◽  
Pyridine Derivatives ◽  
High Current ◽  
High Current Efficiency ◽  
Ancillary Ligands ◽  
Light Emitting ◽  
Organic Light ◽  
Low Efficiency

Four efficient green iridium(iii) complexes were applied as emitters in the organic light-emitting diodes, which showing high current efficiency of 92 cd A−1 and external quantum efficiency of 28.90% with low efficiency roll-off.

Homoleptic mer-Ir(iii) complexes for highly efficient solution-processable green phosphorescent organic light-emitting diodes with high current efficiency

2020 ◽  
Vol 8 (18) ◽  
pp. 6086-6092 ◽  
Author(s):  
Athithan Maheshwaran ◽  
Vijaya Gopalan Sree ◽  
Raja Kumaresan ◽  
Ho-Yeol Park ◽  
Jungmin Choi ◽  
...  
Keyword(s):  
Current Efficiency ◽  
Efficient Solution ◽  
Light Emitting Diodes ◽  
Luminous Efficiency ◽  
Organic Light Emitting Diodes ◽  
High Current ◽  
High Current Efficiency ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light

Highly efficient green-emitting phosphorescent Ir(iii) complexes with meridional configurations are introduced for solution-processed PHOLEDs that achieve high CE with high EQE. The unexpected high PLQYs leads to high luminous efficiency. 

High performance solution-processed green phosphorescent organic light-emitting diodes with high current efficiency and long-term stability

2019 ◽  
Vol 7 (37) ◽  
pp. 11569-11580 ◽  
Author(s):  
Athithan Maheshwaran ◽  
Vijaya Gopalan Sree ◽  
Ho-Yeol Park ◽  
Woosum Cho ◽  
Hyein Kim ◽  
...  
Keyword(s):  
Current Efficiency ◽  
High Performance ◽  
Organic Light Emitting Diodes ◽  
High Current ◽  
Solution Processed ◽  
High Current Efficiency ◽  
Light Emitting ◽  
Long Term Stability ◽  
Organic Light

Highly efficient (D–π–A)-type host and green Ir(iii) complexes are introduced for solution-processed PHOLEDs that achieve high CE with considerably high EQE. The devices with symmetrical complex show more stable than those with asymmetrical complex.

Suppression of external quantum efficiency roll-off of nanopatterned organic-light emitting diodes at high current densities

2015 ◽  
Vol 118 (15) ◽  
pp. 155501 ◽  
Author(s):  
Hiroyuki Kuwae ◽  
Atsushi Nitta ◽  
Kou Yoshida ◽  
Takashi Kasahara ◽  
Toshinori Matsushima ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
High Current ◽  
Light Emitting ◽  
Organic Light ◽  
Current Densities

Two platinum(ii) complexes with a 4-phenyl-4H-1,2,4-triazole derivative as an ancillary ligand for efficient green OLEDs

2019 ◽  
Vol 48 (5) ◽  
pp. 1892-1899 ◽  
Author(s):  
Guang-Zhao Lu ◽  
Zhen-Long Tu ◽  
Liang Liu ◽  
You-Xuan Zheng ◽  
Yue Zhao
Keyword(s):  
Current Efficiency ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Ancillary Ligand ◽  
Triazole Derivative ◽  
Light Emitting ◽  
Organic Light ◽  
Cyclometalated Complexes

Two efficient green platinum(ii) cyclometalated complexes were applied in organic light-emitting diodes showing good performances with a peak current efficiency of 88.50 cd A−1 and a peak external quantum efficiency of 26.90% with mild efficiency roll-off.

Solution-processable, high current efficiency deep-blue organic light-emitting diodes based on novel biphenyl-imidazole derivatives

2020 ◽  
Vol 8 (32) ◽  
pp. 11239-11251
Author(s):  
Zheng Zhang ◽  
Yuqin Li ◽  
Xiaoming Wu ◽  
Wenyi Chu ◽  
Shougen Yin
Keyword(s):  
Current Efficiency ◽  
Organic Light Emitting Diodes ◽  
High Current ◽  
High Luminance ◽  
High Current Efficiency ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Maximum Current ◽  
Very High

The optimal device VI exhibited a very high luminance of 13 836 cd m−2 and a maximum current efficiency of 6.12 cd A−1.

Nondoped blue fluorescent organic light-emitting diodes based on benzonitrile-anthracene derivative with 10.06% external quantum efficiency and low efficiency roll-off

2019 ◽  
Vol 7 (4) ◽  
pp. 1014-1021 ◽  
Author(s):  
Wei Liu ◽  
Shian Ying ◽  
Runda Guo ◽  
Xianfeng Qiao ◽  
Panpan Leng ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Anthracene Derivative ◽  
Organic Light ◽  
Anthracene Derivatives ◽  
Low Efficiency

Two nondoped blue fluorescent OLEDs based on benzonitrile-anthracene derivatives with 10.06% and 9.23% EQE and low efficiency roll-off were fabricated.

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