A negative polaron resistant p-type host for extended lifetime in deep blue phosphorescent organic light-emitting diodes

2020 ◽  
Vol 8 (15) ◽  
pp. 5131-5136 ◽  
Author(s):  
Chang Yoon Yang ◽  
Won Jae Chung ◽  
Hyein Jeong ◽  
Yoonkyoo Lee ◽  
Jun Yeob Lee
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Deep Blue ◽  
Organic Light ◽  
Device Lifetime ◽  
P Type ◽  
Blue Phosphorescent

A negative polaron resistant p-type host improved the device lifetime of blue phosphorescent organic light-emitting diodes.

Molecular design tactics enhancing negative polaron stability of p-type host for long device lifetime by fusion of carbazole with furan

2021 ◽  
Author(s):  
Sung Joon Yoon ◽  
Won Jae Chung ◽  
Jun Yeob Lee
Keyword(s):  
Light Emitting Diodes ◽  
Molecular Design ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Device Lifetime ◽  
P Type ◽  
Polaron Stability ◽  
Blue Phosphorescent

A molecular design with a negative polaron stabilizing unit was developed to extend the device lifetime of blue phosphorescent organic light-emitting diodes (PhOLEDs). A novel p-type host material, 5,10-diphenyl-5,10-dihydrofuro[3,2-c:4,5-c′]dicarbazole (DBFBCzPh),...

Improved positive polaron stability of the p-type host for long lifetime in phosphorescent organic light-emitting diodes

2021 ◽  
Author(s):  
Ji Ae Kang ◽  
Jun Seop Lim ◽  
Jun Yeob Lee
Keyword(s):  
Light Emitting Diodes ◽  
Oxidation Stability ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Long Lifetime ◽  
Device Lifetime ◽  
P Type ◽  
Polaron Stability

Long lifetime is one of requirements for commercialization of organic light-emitting diodes (OLEDs). In this paper, we improved the device lifetime of phosphorescent OLEDs by enhancing oxidation stability of the...

High triplet energy exciplex hosts for deep blue phosphorescent organic light-emitting diodes

2017 ◽  
Vol 5 (24) ◽  
pp. 5923-5929 ◽  
Author(s):  
Wook Song ◽  
Ha Lim Lee ◽  
Jun Yeob Lee
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Host Material ◽  
Triplet Energy ◽  
Light Emitting ◽  
Type Host ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent ◽  
Transport Type

High triplet energy exciplex hosts for deep blue phosphorescent organic light-emitting diodes were developed by synthesizing a high triplet energy hole transport type host material designed for exciplex formation with a high triplet energy electron transport type host material derived from a diphenyltriazine.

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...

An Exciplex Host for Deep-Blue Phosphorescent Organic Light-Emitting Diodes

2017 ◽  
Vol 9 (43) ◽  
pp. 37883-37887 ◽  
Author(s):  
Hyoungcheol Lim ◽  
Hyun Shin ◽  
Kwon-Hyeon Kim ◽  
Seung-Jun Yoo ◽  
Jin-Suk Huh ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent
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