Light emitting device
First Claim
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1. A light emitting device comprising:
- a semiconductor layer;
an active layer formed on the semiconductor layer, the active layer including a plurality of quantum dots, a plurality of quantum well structures, or a plurality of quantum lines;
an insulating layer formed on the active layer; and
a metal layer formed on the insulating layer,wherein the semiconductor layer, the insulating layer and the metal layer have microstructures disposed on surfaces thereof, respectively.
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Abstract
There is provided a light emitting device of a simpler structure, capable of ensuring a broad light emitting area and a high light emitting efficiency, while manufactured in a simplified and economically efficient process. The light emitting device including: a semiconductor layer; an active layer formed on the semiconductor layer, the active layer comprising at least one of a quantum well structure, a quantum dot and a quantum line; an insulating layer formed on the active layer; and a metal layer formed on the insulating layer.
83 Citations
9 Claims
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1. A light emitting device comprising:
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a semiconductor layer; an active layer formed on the semiconductor layer, the active layer including a plurality of quantum dots, a plurality of quantum well structures, or a plurality of quantum lines; an insulating layer formed on the active layer; and a metal layer formed on the insulating layer, wherein the semiconductor layer, the insulating layer and the metal layer have microstructures disposed on surfaces thereof, respectively. - View Dependent Claims (2, 3, 4)
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5. A light emitting device comprising:
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a semiconductor layer; an active layer formed on the semiconductor layer, the active layer including a plurality of quantum dots, a plurality of quantum lines, or a plurality of quantum well structures; an insulating layer formed on the active layer; and a metal layer formed on the insulating layer, the metal layer having a plurality of holes formed in a surface thereof, wherein, if the active layer includes quantum dots, the quantum dots comprise at least one of a group III-V compound semiconductor and a group II-VI compound semiconductor, wherein the holes are extended to a portion between a top of the insulating layer and a top of the active layer. - View Dependent Claims (6)
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7. A light emitting device comprising:
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a semiconductor layer; an active layer formed on the semiconductor layer, the active layer including a plurality of quantum dots, a plurality of quantum lines, or a plurality of quantum well structures; an insulating layer formed on the active layer; and a metal layer formed on the insulating layer, the metal layer having a plurality of holes formed in a surface thereof, wherein, if the quantum layer includes quantum dots, the quantum dots comprise at least one of a group III-V compound semiconductor and a group II-VI compound semiconductor, wherein the holes have a diameter and a spacing of 200 nm to 1000 nm, respectively.
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8. A light emitting device comprising:
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a semiconductor layer; an active layer formed on the semiconductor layer, the active layer including a plurality of quantum dots or a plurality of quantum lines; an insulating layer formed on the active layer; and a metal layer formed on the insulating layer, further comprising a substrate, wherein a stack having the semiconductor layer, the active layer, the insulating layer and the metal layer sequentially stacked is formed on the substrate, wherein the stack is a nanowire structure, wherein, if the active layer includes quantum dots, the quantum dots comprise at least one of a group III-V compound semiconductor and a group II-VI compound semiconductor. - View Dependent Claims (9)
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Specification