Efficiency roll‐off in organic light‐emitting diodes

C Murawski, K Leo, MC Gather - Advanced Materials, 2013 - Wiley Online Library
Organic light‐emitting diodes (OLEDs) have attracted much attention in research and
industry thanks to their capability to emit light with high efficiency and to deliver high‐quality …

Toward nonepitaxial laser diodes

WB Gunnarsson, K Roh, L Zhao, JP Murphy… - Chemical …, 2023 - ACS Publications
Thin-film organic, colloidal quantum dot, and metal halide perovskite semiconductors are all
being pursued in the quest for a wavelength-tunable diode laser technology that does not …

Analysis of exciton annihilation in high-efficiency sky-blue organic light-emitting diodes with thermally activated delayed fluorescence

K Masui, H Nakanotani, C Adachi - Organic Electronics, 2013 - Elsevier
We study external quantum efficiency (η EQE) roll-off in organic light-emitting diodes
(OLEDs) using thermally-activated delayed fluorescence (TADF) of 4, 5-di (9H-carbazol-9-yl) …

Recent advances in white organic light-emitting diodes

Z Wu, D Ma - Materials Science and Engineering: R: Reports, 2016 - Elsevier
White organic light-emitting diodes (WOLEDs) are emerging as the most promising
technology for the next-generation display and solid-state lighting applications owing to their …

Suppressing singlet–triplet annihilation processes to achieve highly efficient deep-blue AIE-based OLEDs

C Lin, P Han, F Qu, S Xiao, Y Li, D Xie, X Qiao… - Materials …, 2022 - pubs.rsc.org
Aggregation-induced emission (AIE) materials are attractive for the fabrication of high
efficiency organic light-emitting diodes (OLEDs) by harnessing “hot excitons” from the high …

245 MHz bandwidth organic light-emitting diodes used in a gigabit optical wireless data link

K Yoshida, PP Manousiadis, R Bian, Z Chen… - Nature …, 2020 - nature.com
Organic optoelectronic devices combine high-performance, simple fabrication and
distinctive form factors. They are widely integrated in smart devices and wearables as …

Triplets Contribute to Both an Increase and Loss in Fluorescent Yield<? format?> in Organic Light Emitting Diodes

Y Zhang, SR Forrest - Physical review letters, 2012 - APS
Nonradiative triplets in fluorescent organic light emitting diodes (OLEDs) can lead to
increased efficiency through triplet-triplet annihilation, or to decreased efficiency due to …

Efficient Triplet Application in Exciplex Delayed-Fluorescence OLEDs Using a Reverse Intersystem Crossing Mechanism Based on a ΔES–T of around Zero

T Zhang, B Chu, W Li, Z Su, QM Peng… - … applied materials & …, 2014 - ACS Publications
We demonstrate highly efficient exciplex delayed-fluorescence organic light-emitting diodes
(OLEDs) in which 4, 4′, 4 ″-tris [3-methylphenyl (phenyl) aminotriphenylamine (m …

Effect of reverse intersystem crossing rate to suppress efficiency roll-off in organic light-emitting diodes with thermally activated delayed fluorescence emitters

M Inoue, T SereviĿius, H Nakanotani, K Yoshida… - Chemical Physics …, 2016 - Elsevier
Electroluminescence efficiency roll-off in organic light-emitting diodes with thermally
activated delayed fluorescence emitters 1, 2-bis (carbazol-9-yl)-4, 5-dicyanobenzene …

Organic light-emitting diodes under high currents explored by transient electroluminescence on the nanosecond scale

D Kasemann, R Brückner, H Fröb, K Leo - Physical Review B—Condensed …, 2011 - APS
We investigate organic light-emitting diodes (OLEDs) comprising the singlet emitter system 4-
dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4H-pyran (DCM) doped into aluminium …