Determination of the width of the carrier recombination zone in organic light-emitting diodes

2003 ◽  
Vol 94 (12) ◽  
pp. 7764 ◽  
Author(s):  
J. Kalinowski ◽  
L. C. Palilis ◽  
W. H. Kim ◽  
Z. H. Kafafi
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Carrier Recombination ◽  
Organic Light ◽  
Recombination Zone

Precise manipulation of the carrier recombination zone: a universal novel device structure for highly efficient monochrome and white phosphorescent organic light-emitting diodes with extremely small efficiency roll-off

2018 ◽  
Vol 6 (30) ◽  
pp. 8122-8134 ◽  
Author(s):  
Yanqin Miao ◽  
Kexiang Wang ◽  
Long Gao ◽  
Bo Zhao ◽  
Hua Wang ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Theoretical Limit ◽  
Device Structure ◽  
Light Emitting ◽  
Novel Device ◽  
Highly Efficient ◽  
Carrier Recombination ◽  
Organic Light ◽  
Recombination Zone

The OLEDs, having mixed hosts sandwiched between hole- and electron-transporting hosts, exhibit an EQE exceeding the theoretical limit and extremely small efficiency roll-off.

Direct monitoring of the recombination zone in highly efficient phosphorescent organic light-emitting diodes based on a high-doping concentration emitting system

2019 ◽  
Vol 7 (42) ◽  
pp. 13287-13293
Author(s):  
Jianan Xue ◽  
Jie Liang ◽  
Xinze Liu ◽  
Hao Zhang ◽  
Kaiqi Ye ◽  
...  
Keyword(s):  
Doping Concentration ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Highly Efficient ◽  
High Doping Concentration ◽  
Organic Light ◽  
System P ◽  
Recombination Zone

The high-content bipolar phosphor (ppy)2Ir(dipba) can dominate the EL process and the recombination zone is almost broadened as wide as the whole EML in D4, leading to remarkably higher efficiency level of D4 than that of D2 based on (ppy)2Ir(acac).

Kinetics of charge carrier recombination in organic light-emitting diodes

1998 ◽  
Vol 72 (5) ◽  
pp. 513-515 ◽  
Author(s):  
J. Kalinowski ◽  
N. Camaioni ◽  
P. Di Marco ◽  
V. Fattori ◽  
A. Martelli
Keyword(s):  
Charge Carrier ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Carrier Recombination ◽  
Organic Light ◽  
Charge Carrier Recombination ◽  
Kinetics Of
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