Light emitting device, light emitting device package and lighting system
AssigneeLG Innotek Co., Ltd.
InventorHwang Sung Min
Life of this patent
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Abstract
Provided are a light emitting device, a method of manufacturing the light emitting device, a light emitting device package, and a lighting system. The light emitting device includes a substrate, a light emitting structure including a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer on the substrate, the light emitting structure exposing a portion of the first conductive type semiconductor layer upward, a light transmissive electrode having a stepped portion on the second conductive type semiconductor layer, a second electrode on the light transmissive electrode, and a first electrode on the exposed first conductive type semiconductor layer.
Claims19
A light emitting device comprising:
- a substrate;
- a light emitting structure comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer on the substrate, the light emitting structure exposing a portion of the first conductive type semiconductor layer upward;
- a light transmissive electrode having a stepped portion on the second conductive type semiconductor layer;
- a second electrode on the light transmissive electrode;
- and
- a first electrode on the exposed first conductive type semiconductor layer,
- wherein the light transmissive electrode has a thickness gradually decreasing toward a mesa etching region.
A light emitting device comprising:
- a substrate;
- a light emitting structure comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer on the substrate, the light emitting structure exposing a portion of the first conductive type semiconductor layer upward;
- a light transmissive electrode having a stepped portion on the second conductive type semiconductor layer;
- a second electrode on the light transmissive electrode;
- and
- a first electrode on the exposed first conductive type semiconductor layer,
- wherein the light transmissive electrode has a stepped portion between the second electrode and the first electrode, and the light transmissive electrode has a thickness gradually decreasing from the second electrode toward the first electrode.
Dependencies are inferred from the claim text.