Light emitting diode and method of manufacturing the same, and light emitting device and method of manufacturing the light emitting device
First Claim
1. A light emitting device comprising:
- a conductive substrate;
a second electrode layer on the conductive substrate and including a center portion and a peripheral portion surrounding the center portion;
a protective layer on the peripheral portion of the second electrode layer;
a light emitting structure including a second conductive type semiconductor layer on the second electrode layer, an active layer on the second conductive type semiconductor layer and a first conductive type semiconductor layer on the active layer; and
a first electrode layer on the first conductive type semiconductor layer,wherein the second conductive type semiconductor layer includes first edge portions in contact with a bottom surface of the active layer, and second edge portions extended to opposite outsides of the first edge portions,wherein a material of the protective layer is different from that of the second electrode layer, andwherein one of outer side-surfaces of the second edge portions is vertically aligned with one of outer side-surfaces of the protective layer.
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Abstract
Disclosed are a light emitting device, a conductive substrate; a second electrode layer on the conductive substrate and including a center portion and a peripheral portion surrounding the center portion; a protective layer on the peripheral portion of the second electrode layer; and a light emitting structure including a second conductive semiconductor layer on the second electrode layer, an active layer on the second conductive semiconductor layer and a first conductive semiconductor layer on the active layer; and a first electrode layer on the first conductive semiconductor layer, wherein the second conductive semiconductor layer includes edge portions extending outside of the light emitting structure.
29 Citations
20 Claims
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1. A light emitting device comprising:
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a conductive substrate; a second electrode layer on the conductive substrate and including a center portion and a peripheral portion surrounding the center portion; a protective layer on the peripheral portion of the second electrode layer; a light emitting structure including a second conductive type semiconductor layer on the second electrode layer, an active layer on the second conductive type semiconductor layer and a first conductive type semiconductor layer on the active layer; and a first electrode layer on the first conductive type semiconductor layer, wherein the second conductive type semiconductor layer includes first edge portions in contact with a bottom surface of the active layer, and second edge portions extended to opposite outsides of the first edge portions, wherein a material of the protective layer is different from that of the second electrode layer, and wherein one of outer side-surfaces of the second edge portions is vertically aligned with one of outer side-surfaces of the protective layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 16, 17, 18, 19)
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9. A light emitting device comprising:
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a conductive substrate; a second electrode layer on the conductive substrate and including a center portion and a peripheral portion surrounding the center portion; a protective layer on the peripheral portion of the second electrode layer; a light emitting structure including a second conductive type semiconductor layer on the second electrode layer, an active layer on the second conductive type semiconductor layer and a first conductive type semiconductor layer on the active layer; and a first electrode layer on the first conductive type semiconductor layer, wherein the center portion has a thickness different from that of the peripheral portion, wherein the second conductive type semiconductor layer includes first edge portions in contact with a bottom surface of the active layer, and second edge portions extended to corresponding outsides of the first edge portions, wherein a material of the protective layer is different from that of the second electrode layer, and wherein a thickness of each of the second edge portions is less than that of the protective layer. - View Dependent Claims (10, 11, 12, 13, 14, 15, 20)
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Specification