ELECTROLUMINESCENT DEVICE

PROBLEM TO BE SOLVED: To obtain the subject device having low ionization potential, capable of forming a stable amorphous film and excellent in heat stability, operation stability and durability and useful for flat panel displays, etc., by constituting the device of a specific multinuclear amine. SO...

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Bibliographische Detailangaben
Hauptverfasser:	NAN-SHIIGU FUU, ZORAN D POPOVICH, SHANG SHII, BENG S ONG, A MII HOOA
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ADHESIVES CHEMISTRY DYES ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR 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:	PROBLEM TO BE SOLVED: To obtain the subject device having low ionization potential, capable of forming a stable amorphous film and excellent in heat stability, operation stability and durability and useful for flat panel displays, etc., by constituting the device of a specific multinuclear amine. SOLUTION: This electroluminescent device is constituted of a multinuclear arylamine represented by the formula (R to R are each an aryl; A and A are each a biaryl), e.g. N, N-bis-[4'-(N-phenyl-N-m-tollylamino)-4- biphenylyl]aniline. Furthermore, preferably, the electroluminescent device successively comprises a positive hole-transferring element composed of a supporting substrate, an anode and the multinuclear arylamine of the formula, an element for electron injection and a cathode.