Light-Emitting Diodes: Organic Light-Emitting Diodes with 30% External Quantum Efficiency Based on a Horizontally Oriented Emitter (Adv. Funct. Mater. 31/2013)

Green phosphorescent organic light-emitting diodes (OLEDs) based on a horizontally oriented emitter are analysed by J.-J. Kim and co-workers . They demonstrate that theoretical analysis based on the orientation factor (the ratio of horizontal dipoles to total dipoles) and the quantum yield of the em...

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Bibliographic Details
Published in:Advanced functional materials 2013-08, Vol.23 (31), p.3829-3829
Main Authors: Kim, Sei-Yong, Jeong, Won-Ik, Mayr, Christian, Park, Young-Seo, Kim, Kwon-Hyeon, Lee, Jeong-Hwan, Moon, Chang-Ki, Brütting, Wolfgang, Kim, Jang-Joo
Format: Article
Language:English
Subjects:
Devices
Dipoles
Emittance
exciplex forming hosts
Light-emitting diodes
Mathematical models
Organic light emitting diodes
organic light-emitting diodes (OLEDs)
Orientation
phosphorescent dyes
Platforms
transition dipole moment
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Summary:Green phosphorescent organic light-emitting diodes (OLEDs) based on a horizontally oriented emitter are analysed by J.-J. Kim and co-workers . They demonstrate that theoretical analysis based on the orientation factor (the ratio of horizontal dipoles to total dipoles) and the quantum yield of the emitter predicts that the maximum EQE of OLEDs with this emitter is about 30%, matching experimental data, indicating that the electrical loss of the OLEDs is negligible and the device structure can be utilized as a platform to demonstrate the validity of optical modeling.
ISSN:1616-301X
1616-3028
DOI:10.1002/adfm.201370153