LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

A light-emitting device includes an interlayer that includes a first hole transport layer, a second hole transport layer, and a third hole transport layer, wherein the first hole transport layer includes a first hole transport compound and a first p-dopant compound, the second hole transport layer i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Song, Eunhye, Jeon, Pyungeun, Lee, Dongchan, Lee, Jonghyeon, Sun, Jinwon
Format: Patent
Sprache:eng
Schlagworte:
ELECTRICITY
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Beschreibung
Zusammenfassung:A light-emitting device includes an interlayer that includes a first hole transport layer, a second hole transport layer, and a third hole transport layer, wherein the first hole transport layer includes a first hole transport compound and a first p-dopant compound, the second hole transport layer includes a second hole transport compound and a second p-dopant compound, the third hole transport layer includes a third hole transport compound and does not include a p-dopant, and an absolute value of lowest unoccupied molecular orbital (LUMO) energy of the second p-dopant compound is greater than an absolute value of LUMO energy of the first p-dopant compound.