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 light emitting device in which at least two light emitting layers are included, wherein by using a compound having a specific structure as a host mat...
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| Format: | Patent |
| Sprache: | eng ; fre ; kor |
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| Zusammenfassung: | The present invention relates to a novel organic light emitting device comprising two light emitting layers, and more specifically, to a novel organic light 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.
La présente invention concerne un nouveau dispositif électroluminescent organique comprenant deux couches électroluminescentes, et plus spécifiquement, un nouveau dispositif électroluminescent organique dans lequel au moins deux couches électroluminescentes sont incluses, au moyen d'un composé ayant une structure spécifique en tant que matériau hôte dans au moins une couche électroluminescente, le dispositif électroluminescent organique étant capable de réaliser des caractéristiques de dispositif telles qu'une efficacité lumineuse élevée, une longue durée de vie et une faible excitation de tension.
본 발명은 두 개의 발광층을 포함하는 신규한 유기발광소자에 관한 것으로서, 보다 상세하게는, 유기발광소자 내 적어도 두 개의 발광층을 포함하되, 적어도 하나의 발광층 내 호스트 재료로서 특정한 구조의 화합물을 사용함으로써, 높은 발광 효율, 장수명 및 저전압구동 등의 소자 특성을 구현할 수 있는 신규한 유기 발광 소자에 관한 것이다. |
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