22.2: Novel Triplet Host Materials: High Performance Made Easy

22.2: Novel Triplet Host Materials: High Performance Made Easy

Novel materials are the key to high performance phosphorescent devices. New host materials show significant advantages over the currently used class of carbazole based materials. A significantly simpler device structure can be used applying the new material classes. Compared to the classical triplet...

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Veröffentlicht in:SID International Symposium Digest of technical papers 2005-05, Vol.36 (1), p.1062-1065
Hauptverfasser: Becker, Heinrich, Vestweber, Horst, Gerhard, Anja, Stoessel, Philipp, Heil, Holger, Fortte, Rocco
Format: Artikel
Sprache:eng
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Zusammenfassung:Novel materials are the key to high performance phosphorescent devices. New host materials show significant advantages over the currently used class of carbazole based materials. A significantly simpler device structure can be used applying the new material classes. Compared to the classical triplet device structure (employing electron transport layers and hole‐blocking layers) an even better EL performance in terms of efficiency and lifetime is observed.
ISSN:0097-966X
2168-0159
DOI:10.1889/1.2036182