Room-Temperature Columnar Liquid Crystals as Efficient Pure Deep-Blue Emitters in Organic Light-Emitting Diodes with an External Quantum Efficiency of 4.0%

2019 ◽  
Vol 11 (8) ◽  
pp. 8291-8300 ◽  
Author(s):  
Joydip De ◽  
Wan-Yun Yang ◽  
Indu Bala ◽  
Santosh Prasad Gupta ◽  
Rohit Ashok Kumar Yadav ◽  
...  
Keyword(s):  
Liquid Crystals ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Room Temperature ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Emitters

Room temperature perylene based columnar liquid crystals as solid-state fluorescent emitters in solution-processable organic light-emitting diodes

2020 ◽  
Vol 8 (36) ◽  
pp. 12485-12494 ◽  
Author(s):  
Indu Bala ◽  
Nitya Singh ◽  
Rohit Ashok Kumar Yadav ◽  
Joydip De ◽  
Santosh Prasad Gupta ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystals ◽  
Solid State ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Room Temperature ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light

Perylene tetraesters based columnar liquid crystal employed as solid-state fluorescent emitter in solution-processed OLEDs and enables to achieve maximum external quantum efficiency of 6.5%.

Deep blue phosphorescent organic light-emitting diodes with excellent external quantum efficiency

2013 ◽  
Vol 14 (12) ◽  
pp. 3228-3233 ◽  
Author(s):  
Jungeun Park ◽  
Hankook Oh ◽  
Sihyun Oh ◽  
Jinho Kim ◽  
Hyun Jin Park ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent

Deep Blue Phosphorescent Organic Light-Emitting Diodes with CIEy Value of 0.11 and External Quantum Efficiency up to 22.5%

2018 ◽  
Vol 30 (12) ◽  
pp. 1705005 ◽  
Author(s):  
Xiaoyue Li ◽  
Juanye Zhang ◽  
Zifeng Zhao ◽  
Liding Wang ◽  
Hannan Yang ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent

The structure optimization of phenanthroimidazole based isomers with external quantum efficiency approaching 7% in non-doped deep-blue OLEDs

2020 ◽  
Vol 8 (9) ◽  
pp. 2975-2984 ◽  
Author(s):  
Jie-Ji Zhu ◽  
Yuwen Chen ◽  
Yong-Hong Xiao ◽  
Xin Lian ◽  
Guo-Xi Yang ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Structure Optimization ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light

In this work, four phenanthroimidazole (PI) based isomers TPA-PPI-PBI, TPA-PPI-NPBI, PBI-PPI-TPA and NPBI-PPI-TPA for high-efficiency deep-blue organic light-emitting diodes (OLEDs) have been designed and synthesized.

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