Long lifetime blue phosphorescent organic light-emitting diodes with an exciton blocking layer

2015 ◽  
Vol 3 (18) ◽  
pp. 4640-4645 ◽  
Author(s):  
Jeong-A Seo ◽  
Sang Kyu Jeon ◽  
Myoung Seon Gong ◽  
Jun Yeob Lee ◽  
Chang Ho Noh ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Hole Transport ◽  
Organic Light Emitting Diodes ◽  
Blocking Layer ◽  
Triplet Energy ◽  
Light Emitting ◽  
Organic Light ◽  
Long Lifetime ◽  
Blue Phosphorescent ◽  
Transport Type

An acridine derived compound, 9,9-dimethyl-10-(9-phenyl-9H-carbazol-3-yl)-9,10-dihydroacridine (PCZAC), was newly designed as a hole transport type high triplet energy material for application as a hole transport type exciton blocking layer of blue phosphorescent organic light-emitting diodes.

High triplet energy exciplex host derived from a CN modified carbazole based n-type host for improved efficiency and lifetime in blue phosphorescent organic light-emitting diodes

2018 ◽  
Vol 6 (38) ◽  
pp. 10308-10314 ◽  
Author(s):  
Su Kyeong Shin ◽  
Si Hyun Han ◽  
Jun Yeob Lee
Keyword(s):  
Electron Transport ◽  
Light Emitting Diodes ◽  
Hole Transport ◽  
Organic Light Emitting Diodes ◽  
Triplet Energy ◽  
Light Emitting ◽  
Type Host ◽  
Organic Light ◽  
Blue Phosphorescent ◽  
Transport Type

High triplet energy exciplexes which can improve the lifetime of blue phosphorescent organic light-emitting diodes were developed by mixing a carbazole based hole transport type host with a CN modified carbazole based electron transport type host.

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.

Phenothiazine dioxide based high triplet energy host materials for blue phosphorescent organic light-emitting diodes

RSC Advances ◽  
2015 ◽  
Vol 5 (118) ◽  
pp. 97903-97909 ◽  
Author(s):  
In Ho Lee ◽  
Jun Yeob Lee
Keyword(s):  
Electron Transport ◽  
Light Emitting Diodes ◽  
Hole Transport ◽  
Organic Light Emitting Diodes ◽  
Triplet Energy ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Donor Acceptor ◽  
Blue Phosphorescent

Donor–acceptor type high triplet energy host materials were derived from a phenothiazine dioxide based electron transport moiety and a carbazole based hole transport moiety.

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