ORGANIC ELECTROLUMINESCENT DEVICE
The present invention relates to phosphorescent organic electroluminescent devices which have a low concentration of the phosphorescent emitter in the emitting layer.
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The present invention relates to phosphorescent organic electroluminescent devices which have a low concentration of the phosphorescent emitter in the emitting layer. |
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