SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
First Claim
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1. A semiconductor light emitting device, comprising:
- a substrate;
a first semiconductor layer including an n-type dopant on the substrate;
an active layer having a multiple quantum well structure on the first semiconductor layer;
a nitride-based semiconductor layer disposed between the active layer and the first semiconductor layer;
a second semiconductor layer disposed on a top surface of the active layer;
a third semiconductor layer on a top surface of the second semiconductor layer;
a fourth semiconductor layer on a top surface of the third semiconductor layer;
a first electrode on the first semiconductor layer; and
a second electrode on the fourth semiconductor layer,wherein the second to fourth semiconductor layers include a p-type dopant,wherein the second and fourth semiconductor layers is formed of a p-type semiconductor layer,wherein the p-type semiconductor layer formed of the second semiconductor layer is formed of an InAlGaN semiconductor,wherein the third semiconductor layer is disposed between the top surface of the second semiconductor layer and a lower surface of the fourth semiconductor layer,wherein the third semiconductor layer has a concentration of the p-type dopant less than that of each of the second and fourth semiconductor layers,wherein the third semiconductor layer is formed of a lower conductive layer than that of each of the second and fourth semiconductor layers, andwherein the third semiconductor layer is formed of a GaN semiconductor.
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Abstract
Provided are a semiconductor light emitting device and a method of manufacturing the same. The semiconductor light emitting device comprises a first conductive type semiconductor layer, an active layer, a first thin insulating layer, and a second conductive type semiconductor layer. The active layer is formed on the first conductive type semiconductor layer. The first thin insulating layer is formed on the active layer. The second conductive type semiconductor layer is formed on the thin insulating layer.
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20 Claims
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1. A semiconductor light emitting device, comprising:
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a substrate; a first semiconductor layer including an n-type dopant on the substrate; an active layer having a multiple quantum well structure on the first semiconductor layer; a nitride-based semiconductor layer disposed between the active layer and the first semiconductor layer; a second semiconductor layer disposed on a top surface of the active layer; a third semiconductor layer on a top surface of the second semiconductor layer; a fourth semiconductor layer on a top surface of the third semiconductor layer; a first electrode on the first semiconductor layer; and a second electrode on the fourth semiconductor layer, wherein the second to fourth semiconductor layers include a p-type dopant, wherein the second and fourth semiconductor layers is formed of a p-type semiconductor layer, wherein the p-type semiconductor layer formed of the second semiconductor layer is formed of an InAlGaN semiconductor, wherein the third semiconductor layer is disposed between the top surface of the second semiconductor layer and a lower surface of the fourth semiconductor layer, wherein the third semiconductor layer has a concentration of the p-type dopant less than that of each of the second and fourth semiconductor layers, wherein the third semiconductor layer is formed of a lower conductive layer than that of each of the second and fourth semiconductor layers, and wherein the third semiconductor layer is formed of a GaN semiconductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A semiconductor light emitting device, comprising:
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a substrate; an n-type semiconductor layer on the substrate; an active layer disposed on the n-type semiconductor layer; a plurality of p-type semiconductor layers on a first barrier layer of the active layer; a first electrode connected to the plurality of n-type semiconductor layers; a second electrode on the plurality of p-type semiconductor layers; and a transparent electrode layer disposed between the plurality of semiconductor layers and the second electrode, wherein the plurality of p-type semiconductor layers includes a first layer on the active layer, a second layer on the first layer and a third layer on the second layer, wherein the second layer is disposed between the first layer and the second layer, wherein the first layer is formed of an InAlGaN semiconductor, wherein the second layer has a concentration of a p-type dopant less than that of each of the first and third layers, wherein the second layer is formed of a lower conductive layer than that of each of the first and third layers, wherein the second layer is formed of a GaN semiconductor. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification