摘要:
A semiconductor buffer structure may include a silicon substrate and a buffer layer that is formed on the silicon substrate. The buffer layer may include a first layer, a second layer formed on the first layer, and a third layer formed on the second layer. The first layer may include AlxInyGa1-x-yN (0≦x≦1, 0≦y≦1, 0≦x+y≦1) and have a lattice constant LP1 that is smaller than a lattice constant LP0 of the silicon substrate. The second layer may include AlxInyGa1-x-yN (0≦x
摘要翻译:半导体缓冲结构可以包括硅衬底和形成在硅衬底上的缓冲层。 缓冲层可以包括第一层,形成在第一层上的第二层和形成在第二层上的第三层。 第一层可以包括Al x In y Ga 1-x-y N(0 @ x @ 1,0 @ y @ 1,x @ x + y @ 1),并且具有小于硅衬底的晶格常数LP0的晶格常数LP1。 第二层可以包括Al x In y Ga 1-x-y N(0 @ x <1,0
摘要:
Provided are a semiconductor light emitting device having a nano pattern and a method of manufacturing the semiconductor light emitting device. The semiconductor light emitting device includes: a semiconductor layer comprising a plurality of nano patterns, wherein the plurality of nano patterns are formed inside the semiconductor layer; and an active layer formed on the semiconductor layer. The optical output efficiency is increased and inner defects of the semiconductor light emitting device are reduced.
摘要:
Provided are a semiconductor light emitting device having a nano pattern and a method of manufacturing the semiconductor light emitting device. The semiconductor light emitting device includes: a semiconductor layer comprising a plurality of nano patterns, wherein the plurality of nano patterns are formed inside the semiconductor layer; and an active layer formed on the semiconductor layer. The optical output efficiency is increased and inner defects of the semiconductor light emitting device are reduced.
摘要:
A semiconductor buffer structure includes a silicon substrate, a nucleation layer formed on the silicon substrate, and a buffer layer formed on the nucleation layer. The buffer layer includes a first layer formed of a nitride semiconductor material having a uniform composition rate, a second layer formed of the same material as the nucleation layer on the first layer, and a third layer formed of the same material with the same composition ratio as the first layer on the second layer.
摘要:
According to example embodiments, a semiconductor light emitting device includes a first semiconductor layer, a pit enlarging layer on the first semiconductor layer, an active layer on the pit enlarging layer, a hole injection layer, and a second semiconductor layer on the hole injection layer. The first semiconductor layer is doped a first conductive type. An upper surface of the pit enlarging layer and side surfaces of the active layer define pits having sloped surfaces on the dislocations. The pits are reverse pyramidal spaces. The hole injection layer is on a top surface of the active layer and the sloped surfaces of the pits. The second semiconductor layer doped a second conductive type that is different than the first conductive type.
摘要:
A method of manufacturing a semiconductor device includes forming a silicon substrate, forming a buffer layer on the silicon substrate, and forming a nitride semiconductor layer on the buffer layer. The buffer layer includes a first layer, a second layer, and a third layer. The first layer includes AlxInyGa1-x-yN (0≦x≦1, 0≦y≦1, 0≦x+y≦1) and has a lattice constant LP1 that is smaller than a lattice constant LP0 of the silicon substrate. The second layer is formed on the first layer, includes AlxInyGa1-x-yN (0≦x
摘要翻译:制造半导体器件的方法包括形成硅衬底,在硅衬底上形成缓冲层,并在缓冲层上形成氮化物半导体层。 缓冲层包括第一层,第二层和第三层。 第一层包括Al x In y Ga 1-x-y N(0&nlE; x&nlE; 1,0&amp; nlE; y& 第二层形成在第一层上,包括Al x In y Ga 1-x-y N(0&nlE; x <1,0&lt; nlE; y <1,0
摘要:
A nano-structured light-emitting device (LED) includes: a plurality of nanostructures on a first type semiconductor layer. Each of the plurality of nanostructures includes: a first type semiconductor nanocore on a portion of the first type semiconductor layer; a current spreading layer formed to cover a surface of the first type semiconductor nanocore and formed of an AlxGa1-xN(0
摘要翻译:纳米结构发光器件(LED)包括:第一类型半导体层上的多个纳米结构。 多个纳米结构中的每一个包括:在第一类型半导体层的一部分上的第一类型半导体纳米孔; 形成为覆盖第一类型半导体纳米孔的表面并由Al x Ga 1-x N(0
摘要:
A superlattice structure, and a semiconductor device including the same, include a plurality of pairs of layers are in a pattern repeated at least two times, in which a first layer and a second layer constitute a pair, the first layer is formed of AlxInyGa1-x-yN (where 0≦x and y≦1), the second layer is formed of AlaInbGa1-a-bN (where 0≦a, b≦1 and x≠a), the first and second layers have the same thickness, and a total thickness of each of the plurality of pairs of layers is different than each other.
摘要翻译:超晶格结构以及包括该超晶格结构的半导体器件包括多层重叠至少两次的图案,其中第一层和第二层构成一对,第一层由Al x In y Ga 1- x-yN(其中0 @ x和y @ 1),第二层由AlaInbGa1-a-bN(其中0 @ a,b @ 1和x
摘要:
A nanostructured light-emitting device including: a first type semiconductor layer; a plurality of nanostructures each including a first type semiconductor nano-core grown in a three-dimensional (3D) shape on the first type semiconductor layer, an active layer formed to surround a surface of the first type semiconductor nano-core, and a second type semiconductor layer formed to surround a surface of the active layer and including indium (In); and at least one flat structure layer including a flat-active layer and a flat-second type semiconductor layer that are sequentially formed on the first type semiconductor layer parallel to the first type semiconductor layer.
摘要:
A nitride-based semiconductor light emitting device having an improved structure in which light extraction efficiency is improved and a method of manufacturing the same are provided. The nitride-based semiconductor light emitting device comprises an n-clad layer, an active layer, and a p-clad layer, which are sequentially stacked on a substrate, wherein the n-clad layer comprises a first clad layer, a second clad layer, and a light extraction layer interposed between the first clad layer and the second clad layer and composed of an array of a plurality of nano-posts, the light extraction layer diffracting or/and scattering light generated in the active layer.