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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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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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 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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