NOVEL ORGANIC LIGHT EMITTING DEVICE COMPRISING TWO LIGHT EMITTING LAYERS

NOVEL ORGANIC LIGHT EMITTING DEVICE COMPRISING TWO LIGHT EMITTING LAYERS

The present invention relates to a novel organic light emitting device comprising two light emitting layers, and more specifically, to a novel organic 7light emitting device in which at least two light emitting layers are included, wherein by using a compound having a specific structure as a host ma...

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Hauptverfasser: YU, Se-Jin, SHIM, So-Young, CHO, Jin-Hwi, YANG, Yong-Woon
Format: Patent
Sprache:eng ; fre ; ger
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ELECTRICITY
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creator YU, Se-Jin
SHIM, So-Young
CHO, Jin-Hwi
YANG, Yong-Woon
description The present invention relates to a novel organic light emitting device comprising two light emitting layers, and more specifically, to a novel organic 7light emitting device in which at least two light emitting layers are included, wherein by using a compound having a specific structure as a host material in at least one light emitting layer, the organic light emitting device is capable of realizing device characteristics such as high luminous efficiency, long lifespan, and low voltage driving.
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title NOVEL ORGANIC LIGHT EMITTING DEVICE COMPRISING TWO LIGHT EMITTING LAYERS
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