40.2: Efficiency Enhancement in Phosphorescent and Fluorescent OLEDs Utilizing Energy Transfer From Exciplex to Emitter

This paper discusses the effectiveness of energy transfer from an exciplex to an emitter in both phosphorescent and fluorescent OLEDs. This energy transfer enhances the efficiency, lowers the drive voltage, and extends the lifetime. The increase in the quantum efficiency of a fluorescent OLED using...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2015-06, Vol.46 (1), p.605-608
Main Authors: Seo, Satoshi, Takahashi, Tatsuyoshi, Nowatari, Hiromi, Hosoumi, Shunsuke, Ishisone, Takahiro, Watabe, Takeyoshi, Mitsumori, Satomi, Ohsawa, Nobuharu, Yamazaki, Shunpei
Format: Article
Language:English
Subjects:
Efficiency
Electric potential
Emittance
Energy transfer
exciplex
fluorescence
OLED
phosphorescence
Quantum efficiency
reverse intersystem crossing
Solar energy
Technical papers
Voltage
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Description
Summary:This paper discusses the effectiveness of energy transfer from an exciplex to an emitter in both phosphorescent and fluorescent OLEDs. This energy transfer enhances the efficiency, lowers the drive voltage, and extends the lifetime. The increase in the quantum efficiency of a fluorescent OLED using this mechanism is also analyzed.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.10191