Light-emitting device
First Claim
1. A light-emitting device comprising:
- a substrate;
a light-emitting structure including first and second nitride-based semiconductor layers on the substrate, and an active layer between the first and second nitride-based semiconductor layers;
an insulating layer on a top surface of the light-emitting structure;
a protrusion on the insulating layer, a top surface of the protrusion being smaller than a bottom surface thereof, the protrusion having a trapezoidal cross-section;
a transparent conductive layer covering the top surface of the light-emitting structure, a top surface of the insulating layer, and the top surface of the protrusion; and
an electrode covering at least one of inclined surfaces of the protrusion on the transparent conductive layer,wherein the electrode has an inclined surface inclined relative to the substrate at a region where the electrode covers the at least one of the inclined surfaces of the protrusion.
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Accused Products
Abstract
A light-emitting device includes: a substrate; a light-emitting structure including first and second nitride-based semiconductor layers on the substrate and an active layer between the first and second nitride-based semiconductor layers; an insulating layer on a top surface of the light-emitting structure; a protrusion on the insulating layer, a top surface of the protrusion being larger than a bottom surface thereof, the protrusion having a trapezoidal cross-section; a transparent conductive layer covering a top surface of the light-emitting structure, a top surface of the insulating layer, and the top surface of the protrusion and having a constant thickness along the top surface of the light-emitting structure, the top surface of the insulating layer, and the top surface of the protrusion; and an electrode covering at least one of inclined surfaces of the protrusion on the transparent conductive layer.
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Citations
20 Claims
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1. A light-emitting device comprising:
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a substrate; a light-emitting structure including first and second nitride-based semiconductor layers on the substrate, and an active layer between the first and second nitride-based semiconductor layers; an insulating layer on a top surface of the light-emitting structure; a protrusion on the insulating layer, a top surface of the protrusion being smaller than a bottom surface thereof, the protrusion having a trapezoidal cross-section; a transparent conductive layer covering the top surface of the light-emitting structure, a top surface of the insulating layer, and the top surface of the protrusion; and an electrode covering at least one of inclined surfaces of the protrusion on the transparent conductive layer, wherein the electrode has an inclined surface inclined relative to the substrate at a region where the electrode covers the at least one of the inclined surfaces of the protrusion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 17)
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10. A light-emitting device comprising:
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a light-emitting structure including first and second nitride-based semiconductor layers, and an active layer disposed between the first and second nitride-based semiconductor layers; an insulating layer formed on the light-emitting structure; a protrusion protruding from the insulating layer in a direction away from the light-emitting structure, and having first and second inclined surfaces and a top surface intersected by the first and second inclined surfaces; an electrode covering at least a portion of the second inclined surface and not covering the entire top surface of the protrusion; and a transparent conductive layer interposed between the electrode and the protrusion, electrically connected to the first nitride-based semiconductor layer, and at least extending between opposite sides of the insulating layer to cover the protrusion and the insulating layer, wherein the electrode has an inclined surface inclined relative to a substrate at a region where the electrode covers the portion of the second inclined surface. - View Dependent Claims (11, 12, 19)
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13. A light-emitting device comprising:
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a light-emitting structure including first and second nitride-based semiconductor layers, and an active layer between the first and second nitride-based semiconductor layers; an insulating layer on a top surface of the light-emitting structure; a protrusion protruding from the insulating layer, and having first and second inclined surfaces and a top surface intersected by the first and second inclined surfaces; a transparent conductive layer covering the top surface of the light-emitting structure, a top surface of the insulating layer, top surfaces of the first and second inclined surfaces, and the top surface of the protrusion; and an electrode covering at least the first inclined surface of the protrusion on the transparent conductive layer and a portion of the top surface of the protrusion, and having an inclined surface at an interface between the electrode and the inclined surface of the protrusion, wherein the transparent conductive layer extends continuously from the top surface of the light emitting structure across the first and second inclined surfaces to the top surface of the protrusion. - View Dependent Claims (14, 15, 16, 18, 20)
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Specification