A bipolar host based high triplet energy electroplex for an over 10 000 h lifetime in pure blue phosphorescent organic light-emitting diodes

2020 ◽  
Vol 7 (2) ◽  
pp. 559-565 ◽  
Author(s):  
Mina Jung ◽  
Kyung Hyung Lee ◽  
Jun Yeob Lee ◽  
Taekyung Kim
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Triplet Energy ◽  
Light Emitting ◽  
Organic Light ◽  
Device Lifetime ◽  
Blue Phosphorescent

Ultimate device performances of blue phosphorescent organic light-emitting diodes, an external quantum efficiency of 27.6%, a device lifetime over 10 000 h at 100 cd m−2, and CIE (0.12, 0.13), were achieved by employing an electroplex host.

9,9-Diphenyl-thioxanthene derivatives as host materials for highly efficient blue phosphorescent organic light-emitting diodes

2015 ◽  
Vol 3 (38) ◽  
pp. 9999-10006 ◽  
Author(s):  
Kunkun Liu ◽  
Xiang-Long Li ◽  
Ming Liu ◽  
Dongcheng Chen ◽  
Xinyi Cai ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Power Efficiency ◽  
Light Emitting Diodes ◽  
Maximum Power ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Organic Light ◽  
Host Materials ◽  
Blue Phosphorescent

A series of 9,9-diphenyl-9H-thioxanthene derivatives are reported as host materials in blue phosphorescent OLEDs, giving a maximum power efficiency of 69.7 lm W−1 and an external quantum efficiency of 29.0%.

Deep blue phosphorescent organic light-emitting diodes with excellent external quantum efficiency

2013 ◽  
Vol 14 (12) ◽  
pp. 3228-3233 ◽  
Author(s):  
Jungeun Park ◽  
Hankook Oh ◽  
Sihyun Oh ◽  
Jinho Kim ◽  
Hyun Jin Park ◽  
...  
Keyword(s):  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Phosphorescent
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