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    • 4. 发明授权
    • Semiconductor light-emitting device with high light-extraction efficiency and method for fabricating the same
    • 具有高光提取效率的半导体发光器件及其制造方法
    • US07745837B2
    • 2010-06-29
    • US12000064
    • 2007-12-07
    • Tzong-Liang Tsai
    • Tzong-Liang Tsai
    • H01L29/167
    • H01L33/10H01L33/02H01L33/22
    • The invention discloses a semiconductor light-emitting device and a method of fabricating the same. The semiconductor light-emitting device according to the invention includes a substrate, a first semiconductor material layer, a multi-layer structure and an ohmic electrode structure. The substrate has a first upper surface and a plurality of recesses formed on the first upper surface. The first semiconductor material layer is formed on the first upper surface of the substrate and has a second upper surface. The multi-layer structure is formed on the second upper surface of the first semiconductor material layer and includes a light-emitting region. The ohmic electrode structure is formed on the multi-layer structure. In particular, the first semiconductor material layer has a refractive index different from those of the substrate and a bottom-most layer of the multi-layer structure.
    • 本发明公开了一种半导体发光器件及其制造方法。 根据本发明的半导体发光器件包括衬底,第一半导体材料层,多层结构和欧姆电极结构。 基板具有形成在第一上表面上的第一上表面和多个凹部。 第一半导体材料层形成在基板的第一上表面上并具有第二上表面。 多层结构形成在第一半导体材料层的第二上表面上并且包括发光区域。 欧姆电极结构形成在多层结构上。 特别地,第一半导体材料层的折射率与基板和多层结构的最底层的折射率不同。
    • 7. 发明申请
    • Optoelectronic device
    • 光电器件
    • US20090008624A1
    • 2009-01-08
    • US11984062
    • 2007-11-13
    • Tzong-Liang TsaiYu-Chu Li
    • Tzong-Liang TsaiYu-Chu Li
    • H01L33/00
    • H01L33/12H01L21/0237H01L21/0242H01L21/02439H01L21/02458H01L21/02505H01L21/0254H01L33/24H01L33/32
    • The present invention provides an optoelectronic device, which includes a first electrode, a substrate on the first electrode, and a buffer layer on the substrate. The buffer layer further includes a first gallium nitride based compound layer on the substrate, a II-V group compound layer on the first gallium nitride based compound layer, a second gallium nitride based compound layer on the II-V group compound layer, and a third gallium nitride based compound layer on the second gallium nitride based compound layer. Then, a first semiconductor conductive layer is formed on the buffer layer; an active layer is formed on the first semiconductor conductive layer, in which the active layer is an uneven Multi-Quantum Well; a second semiconductor conductive layer on the active layer; a transparent conductive layer on the second semiconductor conductive layer; and a second electrode on the transparent conductive layer.
    • 本发明提供一种光电器件,其包括第一电极,第一电极上的衬底和衬底上的缓冲层。 缓冲层还包括在基板上的第一氮化镓基化合物层,第一氮化镓基化合物层上的II-V族化合物层,II-V族化合物层上的第二氮化镓基化合物层和 第二氮化镓基化合物层上的第三氮化镓基化合物层。 然后,在缓冲层上形成第一半导体导电层; 在第一半导体导电层上形成有源层,其中有源层是不均匀的多量子阱; 在所述有源层上的第二半导体导电层; 第二半导体层上的透明导电层; 和在透明导电层上的第二电极。
    • 9. 发明申请
    • Light emitting device and method for making the same
    • 发光装置及其制造方法
    • US20080277678A1
    • 2008-11-13
    • US11801155
    • 2007-05-08
    • Yu-Chu LiChiung-Chi TsaiTzong-Liang TsaiSu-Hui Lin
    • Yu-Chu LiChiung-Chi TsaiTzong-Liang TsaiSu-Hui Lin
    • H01L29/22H01L21/00H01L27/15
    • H01L33/22H01L33/38
    • 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.
    • 一种制造发光器件的方法包括:在衬底上形成多层结构; 在所述多层结构的一侧上形成图案化掩模材料,使得所述图案化掩模材料覆盖所述多层结构的蚀刻区域; 在多层结构上形成粗糙层; 从所述多层结构中去除所述图案化掩模材料,以暴露所述多层结构的蚀刻区域; 在粗糙层上形成蚀刻掩模材料; 在暴露的蚀刻区域干蚀刻多层结构,以便在对应于多层结构的蚀刻区域的第一半导体层上限定电极形成区域; 以及在所述第一半导体层的电极形成区上形成电极。