ORGANIC LIGHT EMITTING DEVICE

ORGANIC LIGHT EMITTING DEVICE

PURPOSE: An organic light emitting device is provided to improve driving-voltage characteristics since hole injection capability, hole transfer capability, and electron transport capability are improved. CONSTITUTION: An organic light emitting device comprises a first electrode, a light emitting lay...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PARK, SOO JIN, YANG, SEUNG GAK, CHOI, KEON HA, SHIN, DAE YUP
Format: Patent
Sprache:eng ; kor
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:PURPOSE: An organic light emitting device is provided to improve driving-voltage characteristics since hole injection capability, hole transfer capability, and electron transport capability are improved. CONSTITUTION: An organic light emitting device comprises a first electrode, a light emitting layer and a second electrode. An organic layer is formed including a compound of chemical formula 1 and a phenylamine-based compound between the first electrode and the light emitting layer. The content of the compound of chemical formula 1 is 1-10 parts by weight based on 100 parts by weight of the total weight of the compound of chemical formula 1 and the phenylamine-based compound. The light-emitting layer comprises a phosphorescence dopant and further an electron transport layer.