摘要:
A method for dicing an optoelectronic semiconductor wafer has steps of preparing an optoelectronic semiconductor wafer, laser scribing, diamond saw dicing and forming optoelectronic semiconductor dies. A product for dicing an optoelectronic semiconductor wafer has a substrate and an epitaxial layer. The substrate has a first surface, a second surface and two rough surfaces. The rough surfaces are formed by laser scribing the wafer to define multiple guide grooves on the wafer and diamond saw grooving the wafer along the guide grooves. The epitaxial layer is formed epitaxially on the first surface of the substrate.
摘要:
A method for dicing an optoelectronic semiconductor wafer has steps of preparing an optoelectronic semiconductor wafer, laser scribing, diamond saw dicing and forming optoelectronic semiconductor dies. A product for dicing an optoelectronic semiconductor wafer has a substrate and an epitaxial layer. The substrate has a first surface, a second surface and two rough surfaces. The rough surfaces are formed by laser scribing the wafer to define multiple guide grooves on the wafer and diamond saw grooving the wafer along the guide grooves. The epitaxial layer is formed epitaxially on the first surface of the substrate.
摘要:
The present invention provides a light emitting device, which includes a transparent substrate, an epitaxial stack structure having a first portion and a second portion on the transparent substrate, a II/V group compound contact layer on the first portion of the epitaxial stack structure, a nitride-crystallized layer on the II/V group compound contact layer, a transparent conductive layer covering the nitride-crystallized layer, a first electrode on a portion of the transparent conductive layer, and a second electrode on the second portion of the epitaxial stack structure and structurally separated from the structure on the first portion of the epitaxial stack structure. The nitride-crystallized layer may help increase the external quantum efficiency of the light emitting device, thereby the light emitting efficiency of the light emitting device may also be improved.
摘要翻译:本发明提供了一种发光器件,其包括透明衬底,在透明衬底上具有第一部分和第二部分的外延堆叠结构,在外延堆叠结构的第一部分上的II / V族化合物接触层, II / V族化合物接触层上的氮化物结晶层,覆盖氮化物结晶层的透明导电层,透明导电层的一部分上的第一电极和外延层的第二部分上的第二电极 结构和结构上与外延堆叠结构的第一部分上的结构分离。 氮化物结晶层可以有助于增加发光器件的外部量子效率,从而也可以提高发光器件的发光效率。
摘要:
A method for making a light emitting device includes: forming a multi-layer structure on a substrate; forming a patterned mask material on one side of the multi-layer structure such that the patterned mask material covers an etch region of the multi-layer structure; forming a roughened layer on the multi-layer structure; removing the patterned mask material from the multi-layer structure so as to expose the etch region of the multi-layer structure; forming an etch mask material on the roughened layer; dry etching the multi-layer structure at the exposed etch region so as to define an electrode-forming region on the first semiconductor layer that corresponds to the etch region of the multi-layer structure; and forming an electrode on the electrode-forming region of the first semiconductor layer.
摘要:
The present invention provides a light emitting device, which includes a transparent substrate, an epitaxial stack structure having a first portion and a second portion on the transparent substrate, a II/V group compound contact layer on the first portion of the epitaxial stack structure, a nitride-crystallized layer on the II/V group compound contact layer, a transparent conductive layer covering the nitride-crystallized layer, a first electrode on a portion of the transparent conductive layer, and a second electrode on the second portion of the epitaxial stack structure and structurally separated from the structure on the first portion of the epitaxial stack structure. The nitride-crystallized layer may help increase the external quantum efficiency of the light emitting device, thereby the light emitting efficiency of the light emitting device may also be improved.
摘要翻译:本发明提供了一种发光器件,其包括透明衬底,在透明衬底上具有第一部分和第二部分的外延堆叠结构,在外延堆叠结构的第一部分上的II / V族化合物接触层, II / V族化合物接触层上的氮化物结晶层,覆盖氮化物结晶层的透明导电层,透明导电层的一部分上的第一电极和外延层的第二部分上的第二电极 结构和结构上与外延堆叠结构的第一部分上的结构分离。 氮化物结晶层可以有助于增加发光器件的外部量子效率,从而也可以提高发光器件的发光效率。
摘要:
The invention provides an ohmic contact film formed between a doped semiconductor material layer and a conductive material layer of a semiconductor device. The composition of the ohmic contact film according to a preferred embodiment of the invention is represented by the general formula MxNy, where M represents the II group chemical element, N represents the V group chemical element, 1≦x≦3, 1≦y≦3, and x and y are molar numbers.
摘要翻译:本发明提供了形成在半导体器件的掺杂半导体材料层和导电材料层之间的欧姆接触膜。 根据本发明优选实施方案的欧姆接触膜的组成由通式M X N Y Y表示,其中M表示II族化学元素,N 表示V族化学元素,1 <= x <= 3,1 <= y <= 3,x和y是摩尔数。
摘要:
The invention provides a semiconductor light-emitting device with II-V group (or II-IV-V group) compound contact layer and a method of fabricating the same. The semiconductor light-emitting device according to a preferred embodiment of the invention includes a substrate, a first conductive type semiconductor material layer, a light-emitting layer, a first electrode, a second conductive type semiconductor material layer, a II-V group (or II-IV-V group) compound contact layer, a transparent conductive layer, and a second electrode. The existence of the II-V group (or II-IV-V group) compound contact layer improves the ohmic contact between the second conductive type semiconductor material layer and the transparent conductive layer.
摘要:
The invention discloses a substrate and a fabricating method thereof for epitaxy of a semiconductor light-emitting device. An upper surface of the substrate according to the invention, where the epitaxy of the semiconductor light-emitting device is to be performed, has a plurality of electromagnetic-wave-scribed nicks.
摘要:
The invention provides a semiconductor light-emitting device with II-V group (or II-IV-V group) compound contact layer and a method of fabricating the same. The semiconductor light-emitting device according to a preferred embodiment of the invention includes a substrate, a first conductive type semiconductor material layer, a light-emitting layer, a first electrode, a second conductive type semiconductor material layer, a II-V group (or II-IV-V group) compound contact layer, a transparent conductive layer, and a second electrode. The existence of the II-V group (or II-IV-V group) compound contact layer improves the ohmic contact between the second conductive type semiconductor material layer and the transparent conductive layer.
摘要:
A method of treating a substrate includes forming a plurality of nicks on an upper surface of the substrate by an electromagnetic wave without using a mask, wherein sidewalls of each nick have fusion formed thereon; roughening the sidewalls by removing the fusion; and forming an epitaxial multi-layer structure on the upper surface and the nicks. The roughened sidewalls of each nick comprise an average roughness equal to or larger than 1 nm.