Light emitting diode having a current blocking layer
First Claim
1. A light emitting device comprising:
- a substrate;
a light emitting structure disposed on the substrate and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer;
a first ohmic layer disposed on the first conductive semiconductor layer;
a second ohmic layer disposed on the second conductive semiconductor layer;
a first bump disposed on the first ohmic layer;
a plurality of second bumps disposed on the second ohmic layer to be spaced apart from each other; and
a current blocking layer interposed between the second ohmic layer and the second conductive semiconductor layer,wherein the second ohmic layer includes a first region interposed between the plurality of second bumps,the current blocking layer is disposed on the first region to overlap the second ohmic layer in a horizontal direction and has a width smaller than that of the second ohmic layer, andthe horizontal direction intersects a thickness direction of the light emitting structure.
1 Assignment
0 Petitions
Accused Products
Abstract
A light emitting device according to embodiments includes a substrate, a light emitting structure disposed under the substrate and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer, a submount disposed to face the substrate, first and second metal pads disposed on the submount to be spaced apart from each other, a first bump disposed on the first metal pad, a plurality of second bumps disposed on the second metal pad to be spaced apart from each other, a first ohmic layer interposed between the first conductive semiconductor layer and the first bump, a second ohmic layer interposed between the second conductive semiconductor layer and the plurality of second bumps, a first spreading layer interposed between the first ohmic layer and the first bump, a second spreading layer interposed between the second ohmic layer and the plurality of second bumps, and a current blocking layer disposed in a maximum heating area of the second ohmic layer overlapping an area between the plurality of second bumps in a thickness direction of the light emitting structure such that the current blocking layer does not cut the second ohmic layer in a horizontal direction intersecting the thickness direction.
5 Citations
19 Claims
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1. A light emitting device comprising:
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a substrate; a light emitting structure disposed on the substrate and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; a first ohmic layer disposed on the first conductive semiconductor layer; a second ohmic layer disposed on the second conductive semiconductor layer; a first bump disposed on the first ohmic layer; a plurality of second bumps disposed on the second ohmic layer to be spaced apart from each other; and a current blocking layer interposed between the second ohmic layer and the second conductive semiconductor layer, wherein the second ohmic layer includes a first region interposed between the plurality of second bumps, the current blocking layer is disposed on the first region to overlap the second ohmic layer in a horizontal direction and has a width smaller than that of the second ohmic layer, and the horizontal direction intersects a thickness direction of the light emitting structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A light emitting device comprising:
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a substrate; a light emitting structure disposed on the substrate and including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; an electrode layer disposed on the light emitting structure; a plurality of bumps disposed on the electrode layer; and a current blocking layer which is disposed in a region between the plurality of bumps to overlap the electrode layer in a horizontal direction and has a width smaller than that of the electrode layer. - View Dependent Claims (17, 18, 19)
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Specification