Nitride semiconductor light-emitting element and method of manufacturing the same
First Claim
1. A nitride semiconductor light-emitting element comprising:
- a first transparent conductor;
a metal layer having a uniform width;
a second transparent conductor;
a first conductivity-type nitride semiconductor layer;
a light-emitting layer; and
a second conductivity-type nitride semiconductor layer, wherein;
the metal layer, the second transparent conductor, the first conductivity-type nitride semiconductor layer, the light-emitting layer, and the second conductivity-type nitride semiconductor layer are successively stacked on said first transparent conductor,said metal layer is in contact with both a first surface of said first transparent conductor and a second surface of said second transparent conductor,said first conductivity-type nitride semiconductor layer is in contact with a first surface of said second transparent conductor opposite the second surface of said second transparent conductor,said metal layer is a single layer, andsaid first transparent conductor has an exposed second surface opposite the first surface of said first transparent conductor.
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Accused Products
Abstract
There is provided a nitride semiconductor light-emitting element including a transparent conductor, a first conductivity-type nitride semiconductor layer, a light-emitting layer, and a second conductivity-type nitride semiconductor layer, the first conductivity-type nitride semiconductor layer, the light-emitting layer, and the second conductivity-type nitride semiconductor layer being successively stacked on the transparent conductor. There is also provided a nitride semiconductor light-emitting element including a first transparent conductor, a metal layer, a second transparent conductor, a first conductivity-type nitride semiconductor layer, a light-emitting layer, and a second conductivity-type nitride semiconductor layer, the metal layer, the second transparent conductor, the first conductivity-type nitride semiconductor layer, the light-emitting layer, and the second conductivity-type nitride semiconductor layer being successively stacked on the first transparent conductor. There is also provided a method of manufacturing each of these nitride semiconductor light-emitting elements.
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Citations
17 Claims
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1. A nitride semiconductor light-emitting element comprising:
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a first transparent conductor; a metal layer having a uniform width; a second transparent conductor; a first conductivity-type nitride semiconductor layer; a light-emitting layer; and a second conductivity-type nitride semiconductor layer, wherein; the metal layer, the second transparent conductor, the first conductivity-type nitride semiconductor layer, the light-emitting layer, and the second conductivity-type nitride semiconductor layer are successively stacked on said first transparent conductor, said metal layer is in contact with both a first surface of said first transparent conductor and a second surface of said second transparent conductor, said first conductivity-type nitride semiconductor layer is in contact with a first surface of said second transparent conductor opposite the second surface of said second transparent conductor, said metal layer is a single layer, and said first transparent conductor has an exposed second surface opposite the first surface of said first transparent conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of manufacturing the nitride semiconductor light-emitting element, comprising the steps of:
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stacking a second conductivity-type nitride semiconductor layer, a light-emitting layer, and a first conductivity-type nitride semiconductor layer containing magnesium on a substrate in this order; forming a second transparent conductor on said first conductivity-type nitride semiconductor layer, said first conductivity-type nitride semiconductor layer being in contact with a first surface of said second transparent conductor opposite a second surface of said second transparent conductor; heating said second transparent conductor to a temperature of not less than 500°
C. for not less than 10 minutes;forming a metal layer on said second transparent conductor after said heating, said metal layer having a uniform width; and forming a first transparent conductor on said metal layer, said first transparent conductor having an exposed second surface opposite a first surface of said first transparent conductor, said metal layer being in contact with both the first surface of said first transparent conductor and the second surface of said transparent conductor, said metal layer being a single layer. - View Dependent Claims (14, 15, 16, 17)
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Specification