LIGHT EMITTING DIODE AND MANUFACTURE METHOD THEREOF
First Claim
1. A light-emitting diode (LED), comprising:
- a semiconductor epitaxial layer comprising a first-type doped semiconductor layer, a second-type doped semiconductor layer, and a quantum well layer, wherein the quantum well layer is located between the first-type doped semiconductor layer and the second-type doped semiconductor layer, a recessed portion is formed in the semiconductor epitaxial layer, the recessed portion separates the second-type doped semiconductor layer, the quantum well layer, and a portion of the first-type doped semiconductor layer and exposes the first-type doped semiconductor layer, and defines a first region and a second region on the semiconductor epitaxial layer, wherein the first region and the second region respectively contain a portion of the second-type doped semiconductor layer, a portion of the quantum well layer, and a portion of the first-type doped semiconductor layer and are connected to each other via the first-type doped semiconductor layer;
a first electrode located in the first region and electrically connected to at least a portion of the first-type doped semiconductor layer and at least a portion of the second-type doped semiconductor layer; and
a second electrode located in the second region and electrically connected to the second-type doped semiconductor layer.
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Accused Products
Abstract
A light-emitting diode including a semiconductor epitaxial layer, a first electrode, and a second electrode is provided. The semiconductor epitaxial layer includes a first-type doped semiconductor layer, a second-type doped semiconductor layer, and a quantum well layer. A recessed portion is formed in the semiconductor epitaxial layer. The recessed portion separates the second-type doped semiconductor layer, the quantum well layer, and a portion of the first-type doped semiconductor layer and defines a first region and a second region on the semiconductor epitaxial layer. The first electrode is located in the first region and electrically connected to at least a portion of the first-type doped semiconductor layer and at least a portion of the second-type doped semiconductor layer. The second electrode is located in the second region and electrically connected to the second-type doped semiconductor layer.
9 Citations
20 Claims
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1. A light-emitting diode (LED), comprising:
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a semiconductor epitaxial layer comprising a first-type doped semiconductor layer, a second-type doped semiconductor layer, and a quantum well layer, wherein the quantum well layer is located between the first-type doped semiconductor layer and the second-type doped semiconductor layer, a recessed portion is formed in the semiconductor epitaxial layer, the recessed portion separates the second-type doped semiconductor layer, the quantum well layer, and a portion of the first-type doped semiconductor layer and exposes the first-type doped semiconductor layer, and defines a first region and a second region on the semiconductor epitaxial layer, wherein the first region and the second region respectively contain a portion of the second-type doped semiconductor layer, a portion of the quantum well layer, and a portion of the first-type doped semiconductor layer and are connected to each other via the first-type doped semiconductor layer; a first electrode located in the first region and electrically connected to at least a portion of the first-type doped semiconductor layer and at least a portion of the second-type doped semiconductor layer; and a second electrode located in the second region and electrically connected to the second-type doped semiconductor layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A manufacturing method of an LED, comprising:
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forming a semiconductor epitaxial layer on a substrate, wherein the semiconductor epitaxial layer comprises a first-type doped semiconductor layer, a quantum well layer, and a second-type doped semiconductor layer in order; patterning the semiconductor epitaxial layer and defining a first region and a second region on the semiconductor epitaxial layer, wherein the first region and the second region respectively contain a portion of the second-type doped semiconductor layer, a portion of the quantum well layer, and a portion of the first-type doped semiconductor layer and are connected to each other via the first-type doped semiconductor layer; forming a first electrode electrically connected to the first-type doped semiconductor layer and the second-type doped semiconductor layer in the first region; and forming a second electrode electrically connected to the second-type doped semiconductor layer in the first region. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification