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.

Probing photophysical properties of isomeric N-heterocyclic carbene Ir(iii) complexes and their applications to deep-blue phosphorescent organic light-emitting diodes

2017 ◽  
Vol 5 (7) ◽  
pp. 1651-1659 ◽  
Author(s):  
Yang-Jin Cho ◽  
So-Yoen Kim ◽  
Jin-Hyoung Kim ◽  
Jiwon Lee ◽  
Dae Won Cho ◽  
...  
Keyword(s):  
Electrochemical Properties ◽  
Light Emitting Diodes ◽  
Photophysical Properties ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent

The photophysical and electrochemical properties of the two isomeric N-heterocyclic carbene Ir(iii) complexes were investigated.

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.

scholarly journals Rational design and characterization of heteroleptic phosphorescent iridium(iii) complexes for highly efficient deep-blue OLEDs

2016 ◽  
Vol 4 (43) ◽  
pp. 10246-10252 ◽  
Author(s):  
Yansong Feng ◽  
Xuming Zhuang ◽  
Dongxia Zhu ◽  
Yu Liu ◽  
Yue Wang ◽  
...  
Keyword(s):  
High Performance ◽  
Rational Design ◽  
Organic Light Emitting Diodes ◽  
Iridium Complexes ◽  
High Luminance ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Low Efficiency

Deep-blue phosphorescent organic light emitting diodes (PhOLEDs) based on new heteroleptic iridium complexes achieve remarkably high performance with low efficiency roll-off at high luminance.

scholarly journals Fused Triphenylamine Moiety Based Fluorescent Emitters for Deep Blue OLEDs with High Luminance and Low Turn-on Voltages

2022 ◽  
Author(s):  
Lijie Wu ◽  
Jinhao Xu ◽  
Zewei Zhang ◽  
Wangjuan Xue ◽  
Yaowu He ◽  
...  
Keyword(s):  
High Performance ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
High Luminance ◽  
Light Emitting ◽  
Turn On ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Emitters

The design of blue emitters is still desired for high performance organic light-emitting diodes (OLEDs). In this work, two blue emitters with the fused triphenylamine (FTPA) moiety, PIAN-FTPA and PI-FTPA,...

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.

High-efficiency, long-lifetime deep-blue organic light-emitting diodes

2021 ◽  
Vol 15 (3) ◽  
pp. 208-215 ◽  
Author(s):  
Soon Ok Jeon ◽  
Kyung Hyung Lee ◽  
Jong Soo Kim ◽  
Soo-Ghang Ihn ◽  
Yeon Sook Chung ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Long Lifetime

Novel Carbazole-based Multifunctional Materials with Hybridized Local and Charge-Transfer Excited State Acting as Deep Blue Emitters and Phosphorescent Hosts for Highly Efficient Organic Light-Emitting Diodes

2021 ◽  
Author(s):  
Haitao Zhou ◽  
Mengna Yin ◽  
Zhenhong Zhao ◽  
Yanqin Miao ◽  
Xin Jin ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Multifunctional Materials ◽  
Light Emitting ◽  
Highly Efficient ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Emitters

In this work, two carbazole- and benzo[d]oxazole-based novel multifunctional materials with hybridized local and charge-transfer (HLCT) characteristic, namely OCI and OCT, which could act as deep-blue fluorophors and phosphorescent hosts,...

Homoleptic Cyclometalated Dibenzothiophene-NHC-Iridium(III) Complexes for Efficient Blue Phosphorescent Organic Light-Emitting Diodes

2021 ◽  
Author(s):  
Bo-Sun Yun ◽  
So-Yoen Kim ◽  
Jin-Hyoung Kim ◽  
Ho-Jin Son ◽  
Sang Ook Kang
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Emission Efficiency ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent

The NHC-Ir complexes f-IrSiPr, m-IrSiPr, and m-IrSMe, in which a dibenzothiophene (DBT) moiety is used to increase the emission efficiency for deep-blue phosphorescence, were synthesized and compared with the dibenzofuran...

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