LIGHT EMITTING DIODE, LIGHT EMITTING DIODE PACKAGE INCLUDING SAME, AND LIGHTING SYSTEM INCLUDING SAME
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Abstract
A light emitting diode according to one embodiment comprises: a substrate; a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, which are on the substrate; a first pad electrode part on the first conductive semiconductor layer; a current blocking layer on the second conductive semiconductor layer; a second electrode on the first conductive semiconductor layer and the current blocking layer; and a second pad electrode part on the second electrode, wherein the width of the current blocking layer can become thicker as the current blocking layer becomes closer to the first pad electrode part from the second pad electrode part.
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Citations
33 Claims
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1-14. -14. (canceled)
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15. A light emitting diode comprising:
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a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a first pad electrode part on the first conductive semiconductor layer; a first electrode connected to the first pad electrode part; a current blocking layer on the second conductive semiconductor layer; a second electrode on the second conductive semiconductor layer and the current blocking layer; and a pad electrode part on the second conductive semiconductor layer, wherein the second electrode includes a first part closer to the first pad electrode part than to the second pad electrode part and a second part closer to the second pad electrode part than to the first pad electrode part, wherein the first part of the second electrode is connected to the second pad electrode part, wherein the second part of the second electrode extends from the first part, wherein the current blocking layer includes a first region overlapped with the first part of the second electrode in a vertical direction and a second region overlapped with the second part of the second electrode, wherein a width of the second region of the current blocking layer is wider than a width of the first region, and wherein the width of the second region of the current blocking layer is wider than a width of the second part of the second electrode. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A light emitting diode comprising:
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a substrate; a light emitting structure including a first conductive semiconductor layer on the substrate, a second conductive semiconductor layer on the first conductive semiconductor layer and an active layer between the first and second semiconductor layers; a first pad electrode part on the first conductive semiconductor layer; a first electrode connected to the first pad electrode part; a conductive layer on the second conductive semiconductor layer; a pad electrode part on a portion of the second conductive semiconductor layer; a current blocking layer disposed between the light emitting structure and the conducive layer; and a second electrode extending to a region adjacent to the first pad electrode part from the second pad electrode part, wherein the second electrode includes a first part closer to the first pad electrode part than to the second pad electrode part and a second part closer to the second pad electrode part than to the first pad electrode part, wherein the first part of the second electrode is connected to the second pad electrode part, wherein the second part of the second electrode extends from the first part, wherein the current blocking layer includes a first region overlapped with the first part of the second electrode in a vertical direction and a second region overlapped with the second part of the second electrode, wherein a width of the first region of the current blocking layer is smaller than a width of the first part, wherein a width of the second region of the current blocking layer is wider than a width of the first region, and wherein the width of the second region of the current blocking layer is wider than a width of the second part of the second electrode. - View Dependent Claims (29, 30, 31, 32, 33)
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Specification