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.

Efficient near-infrared organic light-emitting diodes based on a bipolar host

2018 ◽  
Vol 6 (6) ◽  
pp. 1407-1412 ◽  
Author(s):  
Yun Hu ◽  
Yi Yuan ◽  
Ying-Li Shi ◽  
Jiu-Dong Lin ◽  
Zuo-Quan Jiang ◽  
...  
Keyword(s):  
Near Infrared ◽  
Light Emitting Diodes ◽  
Emission Peak ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Donor Acceptor

A maximum EQE of 2.7% with an emission peak of 735 nm was achieved by employing a donor–acceptor type host 5-(4-(diphenylamino)phenyl)acenaphthylene-1,2-dione (ADO-TPA).

Diluted exciplex concentration in organic light emitting diodes for blue-shifted spectra and improved efficiency

2022 ◽  
Author(s):  
Jiakui Yan ◽  
Bizheng Dong ◽  
Yabo Xu ◽  
Bo Zhao ◽  
Fangming Jin ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Blue Shift ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Donor Acceptor

In this work, the effects of different ratios of donor/acceptor and spacer host materials on exciplex organic light emitting diodes (OLED) based DMAC-DPS:PO-T2T were explored, an obvious spectral blue-shift and...

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...

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).

Utilizing 9,10-dihydroacridine and pyrazine-containing donor–acceptor host materials for highly efficient red phosphorescent organic light-emitting diodes

2016 ◽  
Vol 4 (33) ◽  
pp. 7869-7874 ◽  
Author(s):  
Xiang-Yang Liu ◽  
Feng Liang ◽  
Yi Yuan ◽  
Zuo-Quan Jiang ◽  
Liang-Sheng Liao
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Highly Efficient ◽  
Organic Light ◽  
Host Materials ◽  
Donor Acceptor

Utilizing 9,10-dihydroacridine and pyrazine-containing donor–acceptor host materials for highly efficient red phosphorescent organic light-emitting diodes.

Blue organic light-emitting diodes using novel spiro[fluorene-benzofluorene]-type host materials

2009 ◽  
Vol 83 (1) ◽  
pp. 66-71 ◽  
Author(s):  
Young-Min Jeon ◽  
Joon-Woo Kim ◽  
Chil-Won Lee ◽  
Myoung-Seon Gong
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Host Materials
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