Spiro-type host materials with rigidified skeletons for RGB phosphorescent OLEDs

2020 ◽  
Vol 8 (36) ◽  
pp. 12470-12477
Author(s):  
Aziz Khan ◽  
Xing Chen ◽  
Sarvendra Kumar ◽  
Sheng-Yi Yang ◽  
You-Jun Yu ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Host Material ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Host Materials

A universal host material for red, green and blue phosphors raises challenges for the fabrication of efficient phosphorescent organic light-emitting diodes (PHOLEDs).

Triazine-dibenzofuran-Based n-Type Host Materials for High-Efficiency and Long-Lifetime Green Phosphorescent Organic Light-Emitting Diodes

2021 ◽  
Author(s):  
Dong Jun Kim ◽  
Sunhee Lee ◽  
Yong Hui Lee ◽  
Hyungkeun Jang ◽  
Kwang-Hyun Ahn ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Host Materials ◽  
Long Lifetime

Effective host materials are required to improve the performance of phosphorescent organic light-emitting diodes (PhOLEDs). Herein, a series of triazine-dibenzofuran-based n-type host materials, DBT1–DBT4, was prepared by varying the substitution...

Synthesis and green phosphorescent OLED device performance of cyanofluorene-linked phenylcarbazoles as host material

2018 ◽  
Vol 42 (7) ◽  
pp. 5059-5065 ◽  
Author(s):  
Shuxin Wang ◽  
Chil Won Lee ◽  
Jun Yeob Lee ◽  
Seok-Ho Hwang
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Host Material ◽  
Device Performance ◽  
Oled Device ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials

A series of three isomeric bipolar host materials for green phosphorescent organic light-emitting diodes (PhOLEDs) was synthesized from a combination of cyanofluorene and N-phenylcarbazole moieties.

scholarly journals Efficient non-doped blue organic light-emitting diodes: donor–acceptor type host materials

RSC Advances ◽  
2017 ◽  
Vol 7 (85) ◽  
pp. 54078-54086 ◽  
Author(s):  
Jayaraman Jayabharathi ◽  
Palanisamy Sujatha ◽  
Venugopal Thanikachalam ◽  
Palanivel Jeeva ◽  
Pavadai Nethaji
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Host Materials ◽  
Donor Acceptor

Blue devices with phenanthroimidazole OMeNPI-PITPA show maximum efficiencies ηex 4.90%; ηc 5.90 cd A−1 and are used as hosts for green OLEDs.

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