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US 2010/0244084 A1Published application
Light emitting device, light emitting device package and lighting system including the same
AssigneeLG Innotek Co., Ltd.
InventorHyun Don SONG
Life of this patent
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Abstract
A light emitting device (LED), an LED package, and a lighting system including the LED package are provided. The light emitting device (LED) may include a light emitting structure, a carrier injection layer, and an electrode layer. The light emitting structure may include a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer. The carrier injection layer may be positioned over the light emitting structure, and the electrode layer may be positioned over the carrier injection layer.
Claims11
A light emitting device (LED), comprising:
- a light emitting structure comprising a first conductive semiconductor layer, an active layer, a second conductive semiconductor layer;
- an electrode layer having an ohmic layer;
- and
- a carrier injection layer including a transition metal oxide between the light emitting structure and the ohmic layer.
1 more element
A light emitting device (LED), comprising:
- a light emitting structure comprising a first conductive semiconductor layer, an active layer, a second conductive semiconductor layer;
- an ohmic layer;
- and
- a transition metal oxide between the light emitting structure and the ohmic layer, the transition metal having a work function greater than the ohmic layer.
1 more element
Dependencies are inferred from the claim text.