Organic light emitting device

The invention relates to an organic light-emitting device. The organic light emitting device includes: a substrate; and an organic light emitting diode over the substrate, the organic light emitting diode comprising: a cathode over the substrate; an anode over the cathode; and an organic light-emitt...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KIM CHUN-KI, JOUNG SEUNG-RYONG, LEE YO-SEOP, WON JEONG-EUN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to an organic light-emitting device. The organic light emitting device includes: a substrate; and an organic light emitting diode over the substrate, the organic light emitting diode comprising: a cathode over the substrate; an anode over the cathode; and an organic light-emitting layer between the cathode and the anode, the organic light-emitting layer including a first light-emitting portion, a second light-emitting portion between the first light-emitting portion and the anode, and a third light-emitting portion between the first light-emitting portion and the second light-emitting portion, wherein the first light emitting portion includes a first light emitting material layer (EML), a p-doped layer between the cathode and the first EML, an n-doped layer between the first EML and the p-doped layer, and a first electron transport layer between the first EML and the n-doped layer, and wherein the second light emitting portion includes a second EML, and the third light emitting portion i