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    • 83. 发明授权
    • Light emitting device
    • 发光装置
    • US08115192B2
    • 2012-02-14
    • US12434056
    • 2009-05-01
    • Katsufumi KondoRyo Saeki
    • Katsufumi KondoRyo Saeki
    • H01L29/06H01L31/072H01L31/109H01L31/0328H01L31/0336
    • H01L33/0079
    • A light emitting device includes a stacked body including at least a light emitting layer made of Inx(AlyGa1-y)1-xP (0≦x≦1, 0≦y≦1), a p-type cladding layer made of Inx(AlyGa1-y)1-xP (0≦x≦1, 0≦y≦1), and a bonding layer made of a semiconductor; and a substrate in which deviation in a lattice constant at a bonding interface with the bonding layer is larger than deviation in lattice constants between the light emitting layer and the bonding layer. The p-type cladding layer is located more distant from the bonding interface than the light emitting layer, and the p-type cladding layer has a carrier concentration of 0.5×1017 cm−3 or more and 3×1017 cm−3 or less.
    • 发光器件包括至少包括由Inx(Al y Ga 1-y)1-x P(0≦̸ x≦̸ 1,0& nlE; y≦̸ 1)构成的发光层的堆叠体,由Inx AlyGa1-y)1-xP(0≦̸ x≦̸ 1,0& nlE; y≦̸ 1)和由半导体制成的接合层; 以及在与结合层的接合界面处的晶格常数偏差大于发光层和接合层之间的晶格常数偏差的基板。 p型覆层与发光层的结合界面更远离,p型覆层的载流子浓度为0.5×10 17 cm -3以上3×1017cm -3以下。