Light emitting device
A light-emitting device includes: a substrate; a first semiconductor layer disposed on the substrate and having a first surface; a rough structure formed in the first semiconductor layer, the rough structure comprising porous structures formed therein and a portion of the porous structures having op...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A light-emitting device includes: a substrate; a first semiconductor layer disposed on the substrate and having a first surface; a rough structure formed in the first semiconductor layer, the rough structure comprising porous structures formed therein and a portion of the porous structures having openings exposed on the first surface of the first semiconductor layer; and an active layer formed on the first semiconductor layer. |
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