Organic light-emitting diode comprising electron transport layers with different matrix compounds

Organic light-emitting diode comprising electron transport layers with different matrix compounds

The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherei...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Rothe, Carsten, Wallikewitz, Bodo
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
ELECTRICITY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to an organic light-emitting diode comprising an emission layer and an electron transport layer stack of at least two electron transport layers, wherein a first electron transport layer and a second electron transport layer comprises at least one matrix compound, wherein-the matrix compound or compounds of the first electron transport layer is/are different to the matrix compound or compounds of the second electron transport layer; and in addition, -the first electron transport layer comprises a dopant of a lithium halide and/or lithium organic complex; and-the second electron transport layer is free of a dopant.