Light emitting device, light emitting device package, and lighting system
AssigneeLG Innotek Co., Ltd.
InventorsWoo Sik LIM, Sung Kyoon Kim, Sung Ho Choo, Byeong Kyun Choi
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Abstract
Provided is a light emitting device. The light emitting device includes a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer, a first electrode connected to the first conductive type semiconductor layer, a current spreading layer on the second conductive type semiconductor layer, an insulation layer on the first electrode, and a second electrode comprising at least one bridge portion on the insulation layer and a first contact portion contacting at least one of the second conductive type semiconductor layer and the current spreading layer.
Claims20
A light emitting device comprising:
- a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer;
- a first electrode connected to the first conductive type semiconductor layer;
- a current spreading layer on the second conductive type semiconductor layer;
- an insulation layer on the first electrode;
- and
- a second electrode comprising at least one bridge portion on the insulation layer and a first contact portion contacting at least one of the second conductive type semiconductor layer and the current spreading layer.
A light emitting device comprising:
- a light emitting structure layer comprising a first conductive type semiconductor layer, an active layer on the first conductive type semiconductor layer, and a second conductive type semiconductor layer on the active layer;
- a first electrode on the first conductive type semiconductor layer;
- a current spreading layer formed of a transmissive material on the second conductive type semiconductor layer;
- an insulation layer on the first conductive type semiconductor layer;
- and
- a second electrode comprising at least one bridge portion on the insulation layer and at least one first contact portion contacting at least one of the second conductive type semiconductor layer and the current spreading layer.
Dependencies are inferred from the claim text.