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    • 4. 发明授权
    • Nitride semiconductor light emitting device
    • 氮化物半导体发光器件
    • US07884379B2
    • 2011-02-08
    • US11806054
    • 2007-05-29
    • Takahiko SakamotoYasutaka Hamaguchi
    • Takahiko SakamotoYasutaka Hamaguchi
    • H01L29/205H01L33/00H01L27/15H01L29/165H01L31/12
    • H01L33/38H01L33/20H01L2224/48091H01L2924/00014
    • A nitride semiconductor light emitting device is provided with a substrate, an n-type nitride semiconductor layer, a p-type nitride semiconductor layer, an n-side pad electrode, a translucent electrode and a p-side pad electrode, wherein the translucent electrode is formed from an electrically conductive oxide, the n-side pad electrode adjoins the periphery of the translucent electrode and the p-side pad electrode is disposed so as to satisfy the following relationships: 0.3L≦X≦0.5L and 0.2L≦Y≦0.5L where X is the distance between ends of the p-side pad electrode and the n-side pad electrode, Y is the distance between the end of the p-side pad electrode and the periphery of the translucent electrode, L is the length of the translucent electrode on the line connecting the centroids of the p-side pad electrode and the n-side pad electrode minus the outer diameter d of the p-side pad electrode.
    • 氮化物半导体发光器件具有基板,n型氮化物半导体层,p型氮化物半导体层,n侧焊盘电极,透光性电极和p侧焊盘电极,其中,所述透光性电极 由导电氧化物形成,所述n侧焊盘电极与所述透光性电极的周围相邻,并且所述p侧焊盘电极配置为满足以下关系:0.3L≦̸ X< ll; 0.5L和0.2L≦̸ Y&nlE ; 0.5L,其中X是p侧焊盘电极和n侧焊盘电极的端部之间的距离,Y是p侧焊盘电极的端部和透光性电极的周边之间的距离,L是 连接p侧焊盘电极和n侧焊盘电极的重心的线上的透光性电极的长度减去p侧焊盘电极的外径d。
    • 7. 发明授权
    • Light-emitting diode
    • 发光二极管
    • US07495259B2
    • 2009-02-24
    • US11295540
    • 2005-12-07
    • Takahiko SakamotoTakeshi Kususe
    • Takahiko SakamotoTakeshi Kususe
    • H01L27/15
    • H01L33/38H01L33/20H01L33/22H01L2924/0002H01L2924/00
    • A light-emitting diode capable of making its light emission more uniform without too high a concentration current and of improving the efficiency of outgoing light and its life. In the light-emitting diode, the n-side electrode has an n-side connecting portion and an n-side extending portion, which extends in the longitudinal direction from a predetermined part of the n-side connecting portion, and the p-side pad member has at least a p-side connecting portion to be connected to a conductive member. The light-emitting diode further includes an n-side connecting area, in which the n-side connecting portion is provided, provided in proximity to one end in the longitudinal direction, a p-side connecting area, in which the p-side connecting portion is provided, provided in proximity to another end in the longitudinal direction, and a middle area provided between them, and the n-side extending portion is positioned in the middle area, and extends so as to be opposed to the p-side current diffusing member.
    • 能够使其发光更均匀,而不会产生高浓度电流并且提高出射光的效率及其寿命的发光二极管。 在发光二极管中,n侧电极具有从n侧连接部的规定部分沿长度方向延伸的n侧连接部和n侧延伸部,p侧 垫构件具有至少一个连接到导电构件的p侧连接部分。 发光二极管还包括在纵向方向上的一端附近设置有n侧连接部的n侧连接区域,p侧连接区域 设置在纵向另一端附近设置的部分和设置在它们之间的中间区域,并且n侧延伸部分位于中间区域中,并且延伸以与p侧电流相对 扩散构件。
    • 9. 发明申请
    • Semiconductor light emitting element
    • 半导体发光元件
    • US20080185606A1
    • 2008-08-07
    • US12068019
    • 2008-01-31
    • Masahiko SanoTakahiko SakamotoKeiji EmuraKatsuyoshi Kadan
    • Masahiko SanoTakahiko SakamotoKeiji EmuraKatsuyoshi Kadan
    • H01L33/00
    • H01L33/38H01L33/02H01L33/405H01L33/42H01L33/44H01L33/46H01L2224/48091H01L2224/48247H01L2224/48465H01L2224/49107H01L2224/73265H01L2924/00014H01L2924/00
    • The present invention provides a light emitting element capable or realizing at least one of, preferably, most of lower resistance, higher output, higher power efficiency (1 m/W), higher mass productivity and lower cost of the element using a light transmissive electrode for an electrode arranged exterior to the light emitting structure.A semiconductor light emitting element including a light emitting section, a first electrode, and a second electrode on a semiconductor structure including first and second conductive type semiconductor layers, the first and the second electrodes being arranged on the first conductive type semiconductor layer and a second conductive type semiconductor layer of the light emitting section, respectively; and a light transmissive insulating film formed on at least one part of the second conductive type semiconductor layer; wherein the second electrode includes a first layer of a light transmissive conductive film for covering at least one part of the second conductive type semiconductor layer and a second layer which is arranged on at least one part of the light transmissive insulating film and which conducts to the first layer; a light reflecting part is formed on a surface side of the first layer, and a boundary region of the light transmissive insulating film and the semiconductor structure; and the second layer side surface of the light transmissive insulating film is distant from the semiconductor structure than the surface of the first layer is provided.
    • 本发明提供一种能够或实现低电阻,更高输出,更高功率效率(1m / W),更高的批量生产率和使用透光电极的元件的成本中的至少一个,优选地大多数的发光元件 用于布置在发光结构外部的电极。 一种半导体发光元件,包括在包括第一和第二导电类型半导体层的半导体结构上的发光部分,第一电极和第二电极,所述第一和第二电极布置在第一导电类型半导体层上, 导电型半导体层; 以及形成在所述第二导电类型半导体层的至少一部分上的透光绝缘膜; 其中所述第二电极包括用于覆盖所述第二导电类型半导体层的至少一部分的透光导电膜的第一层和布置在所述透光绝缘膜的至少一部分上的第二层, 第一层; 在第一层的表面侧和透光性绝缘膜与半导体结构的边界区域形成有光反射部, 并且提供透光绝缘膜的第二层侧表面比第一层的表面远离半导体结构。