A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially
A semiconductor light-emitting device, and a method of manufacturing the same. The semiconductor light-emitting device includes a first electrode layer, an insulating layer, a second electrode layer, a second semiconductor layer, an active layer, and a first semiconductor layer that are sequentially stacked on a substrate, a first contact that passes through the substrate to be electrically connected to the first electrode layer, and a second contact that passes through the substrate, the first electrode layer, and the insulating layer to communicate with the second electrode layer. The first electrode layer is electrically connected to the first semiconductor layer by filling a contact hole that passes through the second electrode layer, the second semiconductor layer, and the active layer, and the insulating layer surrounds an inner circumferential surface of the contact hole to insulate the first electrode layer from the second electrode layer.
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1. A semiconductor light emitting device comprising: a substrate;a first semiconductor layer disposed on the substrate;an active layer disposed on the first semiconductor layer;a second semiconductor layer disposed on the active layer;a plurality of contact holes extending from the first semiconduct
1. A semiconductor light emitting device comprising: a substrate;a first semiconductor layer disposed on the substrate;an active layer disposed on the first semiconductor layer;a second semiconductor layer disposed on the active layer;a plurality of contact holes extending from the first semiconductor layer to the second semiconductor layer, a side surface of each of the plurality of contact holes being inclined with respect to a first direction that is perpendicular to a first top surface of the second semiconductor layer, the plurality of contact holes including a first contact hole;a first electrode layer disposed in the first contact hole and disposed on the side surface of the first contact hole, the first electrode layer being electrically connected to the first semiconductor layer;a second electrode layer disposed on the second semiconductor layer and electrically connected to the second semiconductor layer;an insulating layer disposed on the first top surface of the second semiconductor layer and disposed in the plurality of contact holes, the insulating layer insulating the first electrode layer from the second electrode layer;a first electrode pad electrically connected to the first electrode layer; anda second electrode pad electrically connected to the second electrode layer,wherein a gap is formed between the first electrode pad and the second electrode pad, anda width of the gap ranges from 1 μm to 500 μm. 2. The semiconductor light emitting device of claim 1, wherein the insulating layer is disposed on a second top surface of the second electrode layer. 3. The semiconductor light emitting device of claim 1, wherein the insulating layer insulates the first electrode layer from the active layer and from the second semiconductor layer. 4. The semiconductor light emitting device of claim 1, wherein the side surface of the first contact hole is inclined with step. 5. The semiconductor light emitting device of claim 1, further comprising an insulating barrier disposed between the first electrode pad and the second electrode pad. 6. The semiconductor light emitting device of claim 1, wherein a size of each of the plurality of contact holes ranges from 5 to 300 μm. 7. The semiconductor light emitting device of claim 1, wherein the second electrode layer is a reflective layer. 8. The semiconductor light emitting device of claim 1, further comprising a reflective material partially or entirely coated on the side surface that is inclined. 9. A semiconductor light emitting device comprising: a substrate;a first semiconductor layer disposed on the substrate;an active layer disposed on the first semiconductor layer;a second semiconductor layer disposed on the active layer;a first electrode layer electrically connected to the first semiconductor layer;a second electrode layer disposed on the second semiconductor layer and electrically connected to the second semiconductor layer;a first insulating layer disposed on a first top surface of the second semiconductor layer, and insulating the first electrode layer from the second electrode layer;a second insulating layer disposed on the first insulating layer and contacting the first insulating layer;a first metal layer connected to the first electrode layer;a second metal layer connected to the second electrode layer;a first electrode pad electrically connected to the first electrode layer; anda second electrode pad electrically connected to the second electrode layer,wherein a gap is formed between the first electrode pad and the second electrode pad,a width of the gap ranges from 1 μm to 500 μm,the second insulating layer insulates the first metal layer from the second metal layer, andthe first metal layer extends to overlap with at least a portion of the second electrode layer. 10. The semiconductor light emitting device of claim 9, further comprising a plurality of contact holes extending from the first semiconductor layer to the second semiconductor layer. 11. The semiconductor light emitting device of claim 10, wherein the first electrode layer is disposed in at least one of the plurality of contact holes. 12. The semiconductor light emitting device of claim 11, wherein a size of each of the plurality of contact holes ranges from 5 to 300 μm. 13. The semiconductor light emitting device of claim 9, wherein the second electrode layer is a reflective layer. 14. A semiconductor light emitting device comprising: a substrate;a first semiconductor layer disposed on the substrate;an active layer disposed on the first semiconductor layer;a second semiconductor layer disposed on the active layer;a first electrode layer electrically connected to the first semiconductor layer;a second electrode layer disposed on the second semiconductor layer and electrically connected to the second semiconductor layer;an insulating layer disposed on a first top surface of the second semiconductor layer, and insulating the first electrode layer from the second electrode layer;a first electrode pad electrically connected to the first electrode layer; anda second electrode pad electrically connected to the second electrode layer,wherein a gap is formed between the first electrode pad and the second electrode pad,a width of the gap ranges from 1 μm to 500 μm, anda portion of the first electrode pad is disposed directly above the second electrode layer. 15. The semiconductor light emitting device of claim 14, wherein each of the first electrode pad and the second electrode pad is formed with a thickness of 5 μm to 500 μm. 16. The semiconductor light emitting device of claim 15, wherein a size of each of the plurality of contact holes ranges from 5 to 300 μm. 17. The semiconductor light emitting device of claim 14, wherein each of the first electrode pad and the second electrode pad is formed of a metal selected from a group consisting of copper, nickel and chromium. 18. The semiconductor light emitting device of claim 14, further comprising a plurality of contact holes extending from the first semiconductor layer to the second semiconductor layer, wherein the first electrode layer is disposed on at least one of the plurality of contact holes. 19. The semiconductor light emitting device of claim 14, wherein the insulating layer is disposed on a second top surface of the second electrode layer. 20. The semiconductor light emitting device of claim 14, wherein the second electrode layer is a reflective layer.
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