LED Device with Embedded Top Electrode
First Claim
Patent Images
1. A light emitting diode (LED) device comprising:
- a substrate;
an LED structure having layers, including an active light-emitting layer, disposed on the substrate, and having a top contact epitaxial layer; and
a first top electrode embedded into the top contact epitaxial layer, wherein the first top electrode electrically contacts the top contact epitaxial layer.
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Abstract
An LED device and a method of manufacturing, including an embedded top electrode, are presented. The LED device includes an LED structure and a top electrode. The LED structure includes layers disposed on a substrate, including an active light-emitting region. A top layer of the LED structure is a top contact layer. The top electrode is embedded into the top contact layer, wherein the top electrode electrically contacts the top contact layer.
29 Citations
20 Claims
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1. A light emitting diode (LED) device comprising:
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a substrate; an LED structure having layers, including an active light-emitting layer, disposed on the substrate, and having a top contact epitaxial layer; and a first top electrode embedded into the top contact epitaxial layer, wherein the first top electrode electrically contacts the top contact epitaxial layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A light emitting diode (LED) structure comprising:
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a top contact layer; and an electrode embedded in the top contact area, the electrode having a total surface area comprising a contacting surface area of Ac and a remaining surface area of Ar, wherein Ac>
Ar. - View Dependent Claims (12, 13, 14)
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15. An LED device comprising:
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a substrate comprising LED structure layers, including an active light-emitting layer, the LED structure layers having a top contact layer; an opening in the top contact layer; and a first conductive layer, at least partially filling the opening in the top contact layer, thereby forming a top electrode, wherein the top electrode is in electrical contact with the top contact layer. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification