Thermally activated delayed fluorescence type exciplex host for long lifetime in deep blue phosphorescent organic light-emitting diodes

2020 ◽  
pp. 128086
Author(s):  
Ju Hui Yun ◽  
Kyung Hyung Lee ◽  
Won Jae Chung ◽  
Jun Yeob Lee ◽  
Yoonkyoo Lee ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Deep Blue ◽  
Organic Light ◽  
Long Lifetime ◽  
Blue Phosphorescent

Design of thermally activated delayed fluorescent sensitizers for high efficiency over 20% and long lifetime in yellow fluorescent organic light-emitting diodes

2020 ◽  
Vol 8 (15) ◽  
pp. 5265-5272 ◽  
Author(s):  
Ji Han Kim ◽  
Kyung Hyung Lee ◽  
Jun Yeob Lee
Keyword(s):  
High Efficiency ◽  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Organic Light ◽  
Long Lifetime

Yellow thermally activated delayed fluorescence materials were synthesized using two types of acceptors of 2,4,6-triphenylpyrimidine-5-carbonitrile and 4-(3-cyanophenyl)-2,6-diphenylpyrimidine-5-carbonitrile combined with a strong donor.

scholarly journals Enhanced thermally activated delayed fluorescence through bridge modification in sulfone-based emitters employed in deep blue organic light-emitting diodes

2019 ◽  
Vol 7 (22) ◽  
pp. 6664-6671 ◽  
Author(s):  
Pachaiyappan Rajamalli ◽  
Dongyang Chen ◽  
Wenbo Li ◽  
Ifor D. W. Samuel ◽  
David B. Cordes ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Deep Blue ◽  
Organic Light

Two thermally activated delayed fluorescence (TADF) emitters bearing a new dipyridylsulfone core as the electron-accepting unit and di-tert-butyl carbazoles as electron-donating units are reported.

Versatile functionalization of trifluoromethyl based deep blue thermally activated delayed fluorescence materials for organic light emitting diodes

2018 ◽  
Vol 42 (6) ◽  
pp. 4317-4323 ◽  
Author(s):  
Xiao Liang ◽  
Hua-Bo Han ◽  
Zhi-Ping Yan ◽  
Liang Liu ◽  
You-Xuan Zheng ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Delayed Fluorescence ◽  
Organic Light Emitting Diodes ◽  
Excellent Performance ◽  
Thermally Activated Delayed Fluorescence ◽  
Light Emitting ◽  
Thermally Activated ◽  
Deep Blue ◽  
Organic Light

Four deep blue TADF compounds with trifluoromethyl-substituted phenyl/N-heterocyclic rings were investigated both as hosts and guests in OLEDs with excellent performance.

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