ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND ILLUMINATION DEVICE

This organic electroluminescent element has, on a substrate (1), a positive electrode (2) and a negative electrode (8) that are paired electrodes, and at least one light-emitting layer (5). The light-emitting layer (5) contains at least one of each of a dopant and a host. The light-emitting layer (5...

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Bibliographische Detailangaben
Hauptverfasser:	OIKAWA, KAZUHIRO, HIYAMA, KUNIMASA
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 HETEROCYCLIC COMPOUNDS 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:	This organic electroluminescent element has, on a substrate (1), a positive electrode (2) and a negative electrode (8) that are paired electrodes, and at least one light-emitting layer (5). The light-emitting layer (5) contains at least one of each of a dopant and a host. The light-emitting layer (5) is formed by means of a coating method using a coating liquid comprising at least one solvent and has at least one peak in the distribution curve that is of the number frequency distribution of multimolecular aggregates formed from the dopant molecule and/or the host molecule and that is obtained from x-ray small-angle scattering. The smallest particle size value of the particle size values in the peak top is no greater than 4 nm.