Light emitting device
Disclosed is a light emitting device. The light emitting device comprises a light emitting structure comprising a plurality of compound semiconductor layers; and a light extraction structure on the light emitting structure. The light extraction structure comprises a plurality of first layers and a p...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | Disclosed is a light emitting device. The light emitting device comprises a light emitting structure comprising a plurality of compound semiconductor layers; and a light extraction structure on the light emitting structure. The light extraction structure comprises a plurality of first layers and a plurality of second layers which are alternately disposed with each other to have a negative refraction index. |
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