Organic electroluminescence device

An organic electroluminescence device having a color improver added to a hole transport layer, so that it partially cuts off a long wavelength emission in an electron transport layer. The organic EL device has improved color purity while suppressing a decrease in emission efficiency.

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Bibliographische Detailangaben
1. Verfasser:	KIM SANG-YEOL,NOH TAE-YONG,SONG IN-SUNG,LEE SOO-HYOUNG,LIM HYUN-JU,PAEK WOON-JUNG
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY
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Beschreibung
Zusammenfassung:	An organic electroluminescence device having a color improver added to a hole transport layer, so that it partially cuts off a long wavelength emission in an electron transport layer. The organic EL device has improved color purity while suppressing a decrease in emission efficiency.