35.2: Invited Paper: Improving Efficiency Without Compromising Lifetime in Blue Fluorescent OLEDs by ETL Design

Typically, efficiency and lifetime of blue fluorescent OLEDs are intimately linked to each by an inverse trade‐off: long lifetime implies low efficiency and vice versa. Nevertheless, material makers need to work to improve OLED performance continuously. Here we demonstrate blue OLEDs with very long...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2014-06, Vol.45 (1), p.498-500
Main Authors: Rothe, Carsten, Wallikewitz, Bodo, Zöllner, Mike, Fadhel, Omrane, Werner, Ansgar
Format: Article
Language:English
Subjects:
Efficiency
Inverse
Performance enhancement
Technical papers
Tradeoffs
Vices
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Summary:Typically, efficiency and lifetime of blue fluorescent OLEDs are intimately linked to each by an inverse trade‐off: long lifetime implies low efficiency and vice versa. Nevertheless, material makers need to work to improve OLED performance continuously. Here we demonstrate blue OLEDs with very long lifetime at still good efficiency, based on new ETL structures.
ISSN:0097-966X
2168-0159
DOI:10.1002/j.2168-0159.2014.tb00130.x