ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND LIGHTING DEVICE

ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND LIGHTING DEVICE

PROBLEM TO BE SOLVED: To provide an organic electroluminescent element which can be driven at a low voltage and has high luminous efficiency, a long service life, and excellent temporal stability.SOLUTION: The organic electroluminescent element contains a hexadentate coordination type ortho-metalate...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YASUKAWA NORIKO, HAKOI YUTARO
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DYES
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide an organic electroluminescent element which can be driven at a low voltage and has high luminous efficiency, a long service life, and excellent temporal stability.SOLUTION: The organic electroluminescent element contains a hexadentate coordination type ortho-metalated iridium complex represented by general formula (1). [Rrepresents an alkyl group, the total number of carbon atoms of (R)on a ring A is 5 or less, n represents an integer of 1-3, k represents an integer of 1-3, j and m each represent an integer of 0-4, and L is a monoanionic bidentate ligand coordinated to Ir.]