摘要:
A light emitting device according to an embodiment is provided. The light emitting device comprises a second electrode layer, a third conductive semiconductor layer comprising a schottky contact region and an ohmic contact region on the second electrode layer, a second conductive semiconductor layer on the third conductive semiconductor layer, an active layer on the second conductive semiconductor layer, a first conductive semiconductor layer on the active layer, and a first electrode layer on the first conductive semiconductor layer.
摘要:
A light emitting device and a method of manufacturing the same are disclosed. The light emitting device includes a buffer layer formed on a substrate, a nitride semiconductor layer including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially stacked on the buffer layer, a portion of the first semiconductor layer being exposed to the outside by performing mesa etching from the second semiconductor layer to the portion of the first semiconductor layer, and at least one nanocone formed on the second semiconductor layer.
摘要:
A light emitting device and a method for fabricating the same are disclosed, whereby a thin mask film is changed to agglomerates by a simple thermal treatment process, and a plurality of nano openings, each opening spaced a distance apart, are formed in the agglomerates, a light emitting structure exposed to the nano openings is etched to form nano grooves and nano openings therein, enabling to enhance a light emitting area and to reduce the totally reflected light for an improvement of the light extraction efficiency.
摘要:
A light emitting device and a method of manufacturing the same are disclosed. The light emitting device includes a buffer layer formed on a substrate, a nitride semiconductor layer including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially stacked on the buffer layer, a portion of the first semiconductor layer being exposed to the outside by performing mesa etching from the second semiconductor layer to the portion of the first semiconductor layer, and at least one nanocone formed on the second semiconductor layer.
摘要:
A light emitting device includes a conductive support member, a first conductive layer on the conductive support member, a second conductive layer, a first semiconductor layer on the second conductive layer, a second semiconductor layer and an active layer between the first semiconductor layer and the second conductive layer, and an insulation layer disposed between the first conductive layer and the second conductive layer. The first conductive layer includes a first expansion part penetrating the second conductive layer, the second semiconductor layer and the active layer, and a second expansion part extending from the first expansion part and disposed in the first semiconductor layer. The insulation layer is on a lateral surface of the first expansion part. At least a portion of a lateral surface of the second expansion part contacts the first semiconductor layer, and the insulation layer is between the first semiconductor layer and the second expansion part.
摘要:
A light emitting device and a method of manufacturing the same are disclosed. The light emitting device includes a buffer layer formed on a substrate, a nitride semiconductor layer including a first semiconductor layer, an active layer, and a second semiconductor layer, which are sequentially stacked on the buffer layer, a portion of the first semiconductor layer being exposed to the outside by performing mesa etching from the second semiconductor layer to the portion of the first semiconductor layer, and at least one nanocone formed on the second semiconductor layer.
摘要:
A light emitting device according to an embodiment includes a second electrode layer comprising at least one projection part; at least one current blocking layer on the projection part of the second electrode layer; a second conductive type semiconductor layer on the second electrode layer and the current blocking layer; an active layer on the second conductive type semiconductor layer; a first conductive type semiconductor layer on the active layer; and a first electrode layer on the first conductive type semiconductor layer, at least a portion of the first electrode layer corresponding with the current blocking layer in a vertical direction.
摘要:
Disclosed is a light emitting device. The light emitting device comprises a reflective layer comprising an alloy of at least one of an Ag-based alloy, an Al-based alloy, Ag, Al, Rh, or Sn, and at least one of Pd, Cu, C, Sn, In or Cr, and a light emitting semiconductor layer comprising a second conductive semiconductor layer, an active layer and a first conductive semiconductor layer on the reflective layer.
摘要:
A light emitting device including a second conductive type semiconductor layer; an active layer over the second conductive type semiconductor layer; a first conductive type semiconductor layer over the active layer; a second electrode in a first region under the second conductive type semiconductor layer; a current blocking layer including a metal; and a first electrode over the first conductive type semiconductor layer. Further, the first electrode has at least one portion that vertically overlaps the current blocking layer.
摘要:
Provided is a light emitting device. A light emitting device includes: a conductive support member; a light emitting structure for generating a light on the conductive support member, the light emitting structure comprising a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer; an electrode on the light emitting structure; and an oxide layer between the electrode and the light emitting structure. The light emitting structure includes an oxygen-injected region where oxygen is injected on an upper portion of the light emitting structure.