ORGANIC LIGHT-EMITTING DEVICE

ORGANIC LIGHT-EMITTING DEVICE

PROBLEM TO BE SOLVED: To provide an organic electroluminescent device, in which an operating stability is improved by extending the service life, which is the period that brightness falls off to a specified ratio of an initial value. SOLUTION: The organic electroluminescent device includes an anode...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HONEY AJIZU, HU NAN-XING, POPOVIC ZORAN D, COGGAN JENNIFER A, ANTHONY J PAINE
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 device, in which an operating stability is improved by extending the service life, which is the period that brightness falls off to a specified ratio of an initial value. SOLUTION: The organic electroluminescent device includes an anode 110, a cathode 140, a hole transfer part 120 and an electron transfer part 130, which are a light-emitting zone including a material that reduces at least one among triplet/triplet interaction, triplet/singlet interaction, and singlet/singlet interaction. COPYRIGHT: (C)2007,JPO&INPIT