THIN FILM AND ORGANIC ELECTROLUMINESCENT ELEMENT

The objective of the invention is to provide a thin film having a long light-emitting life span, and an organic electroluminescence element. The above problem is solved by the thin film containing a light-emitting metallic complex and a host, the light-emitting metallic complex being represented by...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NISHIZEKI, Masato, NAKAMURA, Yuta, INOUE, Satoru
Format:	Patent
Sprache:	eng
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:	The objective of the invention is to provide a thin film having a long light-emitting life span, and an organic electroluminescence element. The above problem is solved by the thin film containing a light-emitting metallic complex and a host, the light-emitting metallic complex being represented by general formula (1) and satisfying formula (1), and the host being: a nonmetallic organic compound demonstrating phosphorescent light-emission at room temperature; a compound demonstrating heat activated-type delayed fluorescence; or a compound exhibiting an inverse intersystem crossing phenomenon between a singlet excitation state demonstrating a level higher than the lowest singlet excitation state, and a triplet excitation state demonstrating a level higher than the lowest triplet excitation state.