Organic electroluminescent element, display device and lighting device

Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode, wherein the plurality of organic layers comprise: a light emitting layer containing a phosphorescence emitting...

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Hauptverfasser: Katakura, Rie, Ozeki, Hidekane, Kita, Hiroshi, Yasukawa, Noriko, Otsu, Shinya, Tanaka, Tatsuo, Katoh, Eisaku, Taka, Hideo
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode, wherein the plurality of organic layers comprise: a light emitting layer containing a phosphorescence emitting compound; and an electron transport layer containing a compound represented by Formula (1), €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ Formula (1) (Ar1)n1-Y1 wherein n1 is an integer of 1 or more; Y 1 is a substituent when n1 is 1, and Y 1 is a single bond or a linking group of n1 valences when n1 is two or more; Ar1 is a group represented by Formula (A), a plurality of Ar1 may be the same or different with each other when n1 is two or more; and the compound represented by Formula (1) contains at least two condensed aromatic heterocyclic rings each comprising 3 or more rings condensed with each other: