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
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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.