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    • 1. 发明公开
    • Light emitting device, light emitting device package and lighting system
    • Leuchtdiode,Leuchtdiodengehäuseund Beleuchtungssystem
    • EP2341557A2
    • 2011-07-06
    • EP10196010.2
    • 2010-12-20
    • LG Innotek Co., Ltd.
    • Hwang, Sung Min
    • H01L33/14
    • H01L33/14H01L27/15H01L33/0033H01L33/025H01L33/32H01L33/40H01L2224/48091H01L2224/48247H01L2924/12032H01L2924/00014H01L2924/00
    • Embodiments relate to a light emitting device, a light emitting device package, and a lighting system. The light emitting device comprises: a substrate; a light emitting structure over the substrate, the light emitting structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer between the first conductive type semiconductor layer and the second conductive type semiconductor layer, wherein the first conductive type semiconductor layer is partially exposed; a first region having a first concentration and provided at a region of the second conductive type semiconductor layer; a second region having a second concentration and provided at another region of the second conductive type semiconductor layer; and a second electrode over the second conductive type semiconductor layer.
    • 实施例涉及发光器件,发光器件封装和照明系统。 发光装置包括:基板; 在所述基板上的发光结构,所述发光结构包括第一导电类型半导体层,第二导电型半导体层和在所述第一导电类型半导体层和所述第二导电类型半导体层之间的有源层,其中所述第一导电型 半导体层部分露出; 具有第一浓度并设置在第二导电型半导体层的区域的第一区域; 具有第二浓度并设置在所述第二导电类型半导体层的另一区域的第二区域; 以及位于第二导电类型半导体层上的第二电极。