LIGHT EMITTING ELEMENT

LIGHT EMITTING ELEMENT

To provide a light emitting device excellent in light emission efficiency.A light emitting device comprising a cathode, a first organic layer containing a compound having a cross-linkable group and a phosphorescent transition metal complex, a second organic layer containing a crosslinked body of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: AKINO, Nobuhiko, SHIRATORI, Mio, FUKUSHIMA, Daisuke
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
ADHESIVES
CHEMISTRY
DYES
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC CHEMISTRY
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:To provide a light emitting device excellent in light emission efficiency.A light emitting device comprising a cathode, a first organic layer containing a compound having a cross-linkable group and a phosphorescent transition metal complex, a second organic layer containing a crosslinked body of the same compound as the above-described compound having a cross-linkable group, and an anode in this order, wherein the ratio of the above-described compound having a cross-linkable group contained in the above-described first organic layer is 2 to 10% by mass with respect to the total mass of the first organic layer. The compound having a cross-linkable group may be a compound having at least one cross-linkable group selected from Group of cross-linkable group consisting of cross-linkable groups represented by the formula (XL-1) to the formula (XL-19) .