Design approach of exciplexes enhancing the singlet and triplet energy by managing electron transport type host

2019 ◽  
Vol 65 ◽  
pp. 121-126 ◽  
Author(s):  
Sang Kyu Jeon ◽  
Ji Gwang Yu ◽  
Wook Song ◽  
Ha Lim Lee ◽  
Jun Yeob Lee
Keyword(s):  
Electron Transport ◽  
Design Approach ◽  
Triplet Energy ◽  
Type Host ◽  
Transport Type

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.

A novel electroplex host with dual triplet exciton up-converting channels suppressing triplet exciton induced degradation mechanisms in blue organic light-emitting diodes

2021 ◽  
Author(s):  
Ju Hui Yun ◽  
Jae-Min Kim ◽  
Won Jae Chung ◽  
Jun Seop Lim ◽  
Jun Yeob Lee ◽  
...  
Keyword(s):  
Electron Transport ◽  
Light Emitting Diodes ◽  
Triplet Exciton ◽  
Organic Light Emitting Diodes ◽  
Degradation Mechanisms ◽  
Light Emitting ◽  
Type Host ◽  
Thermally Activated ◽  
Organic Light ◽  
Transport Type

A novel electroplex host with two triplet exciton up-converting channels for suppressed triplet exciton triggered degradation mechanisms was developed using an electron transport type host (n-type host) with thermally activated...

scholarly journals 1,3,5-Triazine derivatives as new electron transport–type host materials for highly efficient green phosphorescent OLEDs

2009 ◽  
Vol 19 (43) ◽  
pp. 8112 ◽  
Author(s):  
Hsiao-Fan Chen ◽  
Shang-Jung Yang ◽  
Zhen-Han Tsai ◽  
Wen-Yi Hung ◽  
Ting-Chih Wang ◽  
...  
Keyword(s):  
Electron Transport ◽  
Type Host ◽  
Highly Efficient ◽  
Host Materials ◽  
Triazine Derivatives ◽  
Transport Type

C2-, C3- spirobifluorene fused carbazole modified triazine as an electron transport type host of exciplex

2021 ◽  
Vol 189 ◽  
pp. 109247
Author(s):  
Vilas Venunath Patil ◽  
Junseop Lim ◽  
Jun Yeob Lee
Keyword(s):  
Electron Transport ◽  
Type Host ◽  
Transport Type

Benzonitrile and dicyanocarbazole derived electron transport type host materials for improved device lifetime in blue thermally activated delayed fluorescent organic light-emitting diodes

2020 ◽  
Vol 8 (17) ◽  
pp. 5832-5838 ◽  
Author(s):  
Sung Yong Byeon ◽  
Kyung Hyung Lee ◽  
Jun Yeob Lee
Keyword(s):  
Electron Transport ◽  
High Efficiency ◽  
Organic Light Emitting Diodes ◽  
Triplet Energy ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light ◽  
Host Materials ◽  
Device Lifetime ◽  
Transport Type

The electron transport host materials derived from dibenzofuran, benzonitrile and dicyanocarbazole units showed high triplet energy above 3.0 eV, high efficiency over 20% and 31 h lifetime up to 75% of initial luminance at 500 cd m−2.

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.

Synthesis and blue phosphorescent device performances of a new bipolar host material containing pyrazino[2,3-b]indole moiety

RSC Advances ◽  
2014 ◽  
Vol 4 (101) ◽  
pp. 57679-57682 ◽  
Author(s):  
Hong-Gu Jang ◽  
Sang Kyu Jeon ◽  
Jun Yeob Lee ◽  
Seok-Ho Hwang
Keyword(s):  
Electron Transport ◽  
Transport Properties ◽  
Host Material ◽  
Triplet Energy ◽  
Electron Transport Properties ◽  
Blue Phosphorescent

Newly designed bipolar host material (CzPhPz) consisting of 5H-pyrazino[2,3-b]indole unit was synthesized and exhibited good electron transport properties with a high triplet energy of 2.83 eV for FIrpic-based blue PHOLEDs.

High triplet energy electron transport side-chain polystyrenes containing dimesitylboron and tetraphenylsilane for solution processed OLEDs

2017 ◽  
Vol 5 (40) ◽  
pp. 10660-10667 ◽  
Author(s):  
Alejandro Lorente ◽  
Patrick Pingel ◽  
Hartmut Krüger ◽  
Silvia Janietz
Keyword(s):  
Electron Transport ◽  
Light Emitting Diodes ◽  
Energy Electron ◽  
Organic Light Emitting Diodes ◽  
Side Chain ◽  
Side Chains ◽  
Triplet Energy ◽  
Solution Processed ◽  
Light Emitting ◽  
Organic Light

A series of polystyrenes was developed as electron transport materials (ETMs) for solution processed organic light emitting diodes (OLEDs), containing dimesitylboryl (BMes2) and tetraphenylsilanyl in their side-chains.

Sign in / Sign up

Export Citation Format

Share Document