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.

Solution-processable, high luminance deep-blue organic light emitting devices based on novel naphthalene bridged bis-triphenylamine derivatives

2019 ◽  
Vol 7 (9) ◽  
pp. 2686-2698 ◽  
Author(s):  
Yuqin Li ◽  
Siming Gao ◽  
Nan Zhang ◽  
Xin Huang ◽  
Jinchang Tian ◽  
...  
Keyword(s):  
Current Efficiency ◽  
High Luminance ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Deep Blue ◽  
Organic Light ◽  
Maximum Current ◽  
Solution Processable ◽  
Organic Light Emitting Devices ◽  
Very High

The optimal device E exhibited a very high luminance of 10 407 cd m−2 and a maximum current efficiency of 7.80 cd A−1.

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.

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.

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. 

A benzoindole-cored building block for deep blue fluorescent materials: synthesis, photophysical properties, and applications in organic light-emitting diodes

2020 ◽  
Vol 8 (47) ◽  
pp. 16870-16879
Author(s):  
Shanghui Ye ◽  
Congjin Wu ◽  
Pengfei Gu ◽  
Tai Xiang ◽  
Senyu Zhang ◽  
...  
Keyword(s):  
Building Block ◽  
Photophysical Properties ◽  
Organic Light Emitting Diodes ◽  
Efficiency Curve ◽  
Materials Synthesis ◽  
High Luminance ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Fluorescent Materials

A new aromatic 2-(pyridine-4-yl)-3-phenyl-1H-benzo[g]indole core has been designed to build a series of D–π–A–π–D deep blue fluorescent materials in a Ψ-type configuration, which exhibit extremely stable efficiency curve at high luminance.

Structure-simplified and highly efficient deep blue organic light-emitting diodes with reduced efficiency roll-off at extremely high luminance

2016 ◽  
Vol 52 (100) ◽  
pp. 14454-14457 ◽  
Author(s):  
Xiang-Long Li ◽  
Ming Liu ◽  
Yunchuan Li ◽  
Xinyi Cai ◽  
Dongcheng Chen ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Single Layer ◽  
Organic Light Emitting Diodes ◽  
High Luminance ◽  
Light Emitting ◽  
Highly Efficient ◽  
Deep Blue ◽  
Organic Light

Deep blue non-doped multilayer OLEDs with EQEs exceeding 5.10% and single layer devices excluding any carrier transporting materials with an EQE of 4.22% were obtained at an extremely high luminance of 10 000 cd m−2.

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