摘要:
A semiconductor light emitting device is herein disclosed. The semiconductor light emitting device includes: a conductive substrate, a p-type semiconductor layer disposed on the conductive substrate, an active layer disposed on the p-type semiconductor layer, an n-type semiconductor layer disposed on the active layer, and an n-side electrode disposed on the n-type semiconductor layer and including a carbon nanotube layer doped with an n-type impurity.
摘要:
There is provided a semiconductor light emitting device including: a light transmissive substrate; a light emitting part; first and second electrodes electrically connected to the first and second conductivity type semiconductor layers, respectively; and a rear reflective part including a reflective metallic layer, and a light transmissive dielectric layer interposed between the light transmissive substrate and the reflective metallic layer.
摘要:
According to an example embodiment, a method includes forming a nitrogen vacancy surface layer by treating a surface of an n-type nitride semiconductor with inert gas plasma, and forming an oxygen-added nitride film by treating a surface of the nitrogen vacancy surface layer with oxygen-containing gas plasma, and forming an electrode on the oxygen-added nitride film. The nitrogen vacancy surface layer lacks a nitrogen element.
摘要:
A vertical nitride-based semiconductor LED comprises a structure support layer; a p-electrode formed on the structure support layer; a p-type nitride semiconductor layer formed on the p-electrode; an active layer formed on the p-type nitride semiconductor layer; an n-type nitride semiconductor layer formed on the active layer; an n-electrode formed on a portion of the n-type nitride semiconductor layer; and a buffer layer formed on a region of the n-type nitride semiconductor layer on which the n-electrode is not formed, the buffer layer having irregularities formed thereon. The surface of the n-type nitride semiconductor layer coming in contact with the n-electrode is flat.
摘要:
A vertical nitride-based semiconductor LED comprises a structure support layer; a p-electrode formed on the structure support layer; a p-type nitride semiconductor layer formed on the p-electrode; an active layer formed on the p-type nitride semiconductor layer; an n-type nitride semiconductor layer formed on the active layer; an n-electrode formed on a portion of the n-type nitride semiconductor layer; and a buffer layer formed on a region of the n-type nitride semiconductor layer on which the n-electrode is not formed, the buffer layer having irregularities formed thereon. The surface of the n-type nitride semiconductor layer coming in contact with the n-electrode is flat.
摘要:
There is provided a method of manufacturing a nitride semiconductor light emitting device, the method including: forming a light emitting structure on a substrate, the light emitting structure including first and second conductivity-type nitride semiconductor layers with an active layer interposed therebetween; forming a first conductivity-type nitride semiconductor layer, an active layer and a second conductivity-type nitride semiconductor layer sequentially stacked on a substrate; forming a first electrode to be connected to the first conductivity-type nitride semiconductor layer; forming a photoresist film on the second conductivity-type nitride semiconductor layer to expose a portion of the second conductivity-type nitride semiconductor layer; and forming a reflective metal layer and a barrier metal layer as a second electrode consecutively on the portion of the second conductivity-type nitride semiconductor layer exposed by the photoresist film and removing the photoresist film.
摘要:
Disclosed is a semiconductor light emitting device, and a method of manufacturing the same. The semiconductor light emitting device includes a first conductivity type semiconductor layer, an active layer disposed on the top of the first conductivity type semiconductor layer, and a second conductivity type semiconductor layer disposed on the top of the active layer and comprising light extraction patterns in the top thereof, the light extraction patterns each having a columnar portion and a hemispherical top portion.
摘要:
A vertical GaN-based LED includes: an n-electrode; a light-emitting structure in which an n-type GaN layer, an active layer, and a p-type GaN layer are sequentially formed under the n-electrode; a p-electrode formed under the light-emitting structure; a passivation layer formed to cover the side and bottom surfaces of the light-emitting structure and expose a predetermined portion of the p-electrode, the passivation layer being formed of a distributed Bragg reflector (DBR); a plating seed layer formed under the passivation layer and the p-electrode; and a support layer formed under the plating seed layer.
摘要:
Provided is a vertical LED including an n-electrode; an n-type GaN layer formed under the n-electrode, the n-type GaN layer having a surface coming in contact with the n-electrode, the surface having a Ga+N layer containing a larger amount of Ga than that of N; an active layer formed under the n-type GaN layer; a p-type GaN layer formed under the active layer; a p-electrode formed under the p-type GaN layer; and a structure support layer formed under the p-electrode.
摘要:
A vertical nitride-based semiconductor LED comprises a structure support layer; a p-electrode formed on the structure support layer; a p-type nitride semiconductor layer formed on the p-electrode; an active layer formed on the p-type nitride semiconductor layer; an n-type nitride semiconductor layer formed on the active layer; an n-electrode formed on a portion of the n-type nitride semiconductor layer; and a buffer layer formed on a region of the n-type nitride semiconductor layer on which the n-electrode is not formed, the buffer layer having irregularities formed thereon. The surface of the n-type nitride semiconductor layer coming in contact with the n-electrode is flat.