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    • 7. 发明申请
    • SEMICONDUCTOR LIGHT EMITTING DEVICE
    • 半导体发光器件
    • US20120061640A1
    • 2012-03-15
    • US13037864
    • 2011-03-01
    • Ryota KitagawaAkira FujimotoKoji AsakawaTakanobu KamakuraShinji NunotaniMasaaki Ogawa
    • Ryota KitagawaAkira FujimotoKoji AsakawaTakanobu KamakuraShinji NunotaniMasaaki Ogawa
    • H01L33/06
    • H01L33/38H01L33/40H01L2933/0016
    • A semiconductor light emitting device includes a first semiconductor layer of a first conductivity type, a first electrode layer, a second semiconductor layer of a second conductivity type, a light emitting layer and a second electrode layer. The first electrode layer includes a metal portion having a plurality of opening portions. The opening portions have an equivalent circle diameter being not less than 10 nanometers and not more than 50 micrometers. The second semiconductor layer is provided between the first semiconductor layer and the first electrode layer and includes a first portion in contact with the first electrode layer. The first portion has an impurity concentration of not less than 1×1019/cubic centimeter and not more than 1×1021/cubic centimeter. The light emitting layer is provided between the first semiconductor layer and the second semiconductor layer. The second electrode layer is connected to the first semiconductor layer.
    • 半导体发光器件包括第一导电类型的第一半导体层,第一电极层,第二导电类型的第二半导体层,发光层和第二电极层。 第一电极层包括具有多个开口部的金属部。 开口部具有不小于10纳米且不大于50微米的当量圆直径。 第二半导体层设置在第一半导体层和第一电极层之间,并且包括与第一电极层接触的第一部分。 第一部分的杂质浓度不小于1×1019立方厘米,不大于1×1021立方厘米。 发光层设置在第一半导体层和第二半导体层之间。 第二电极层连接到第一半导体层。