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    • 11. 发明申请
    • LIGHT EMITTING DIODE STRUCTURE AND MANUFACTURING METHOD THEREOF
    • 发光二极管结构及其制造方法
    • US20130062657A1
    • 2013-03-14
    • US13614090
    • 2012-09-13
    • Kuo-Lung FangJui-Yi ChuJun-Rong ChenChi-Wen Kuo
    • Kuo-Lung FangJui-Yi ChuJun-Rong ChenChi-Wen Kuo
    • H01L33/62
    • H01L33/145H01L33/382H01L2933/0016
    • A light-emitting diode structure is disclosed. A substrate has a first semiconductor layer, a light-emitting layer and a second semiconductor layer formed thereon. The first and second semiconductor layers are of opposite conductivity types. A first contact electrode is disposed between the first semiconductor layer and the substrate, and has a protruding portion extending into the second semiconductor layer. A barrier layer is conformally formed on the first contact electrode and exposes a top surface of the protruding portion. A current blocking member is disposed on the barrier layer and around at least a sidewall of the protruding portion. A second contact electrode is disposed between the first semiconductor layer and the first contact electrode, and in direct contact with the first semiconductor layer, wherein the second contact electrode is electrically insulated from the first contact electrode by the barrier layer.
    • 公开了一种发光二极管结构。 基板具有形成在其上的第一半导体层,发光层和第二半导体层。 第一和第二半导体层具有相反的导电类型。 第一接触电极设置在第一半导体层和基板之间,并且具有延伸到第二半导体层中的突出部分。 阻挡层在第一接触电极上共形地形成并暴露突出部分的顶表面。 电流阻挡构件设置在阻挡层上并且至少围绕突出部分的侧壁。 第二接触电极设置在第一半导体层和第一接触电极之间,并且与第一半导体层直接接触,其中第二接触电极通过阻挡层与第一接触电极电绝缘。