ZnO based semiconductor light emitting device and its manufacture method
    10.
    发明授权
    ZnO based semiconductor light emitting device and its manufacture method 有权
    ZnO基半导体发光器件及其制造方法

    公开(公告)号:US07943927B2

    公开(公告)日:2011-05-17

    申请号:US12501764

    申请日:2009-07-13

    IPC分类号: H01L33/00

    摘要: A ZnO based semiconductor light emitting device includes: a first semiconductor layer containing ZnO1-x1Sx1; a second semiconductor layer formed above the first semiconductor layer and containing ZnO1-x2Sx2; and a third semiconductor layer formed above the second semiconductor layer and containing ZnO1-x3Sx3, wherein an S composition x1 of the first semiconductor layer, an S composition x2 of the second semiconductor layer and an S composition x3 of the third semiconductor layer are so selected that an energy of the second semiconductor layer at the lower end of a conduction band becomes lower than both energies of the first and third semiconductor layers at the lower end of the conduction bands, and that an energy of the second semiconductor layer at the upper end of a valence band becomes higher than both energies of the first and third semiconductor layers at the upper end of the valence bands.

    摘要翻译: ZnO基半导体发光器件包括:含有ZnO1-x1Sx1的第一半导体层; 形成在第一半导体层之上并含有ZnO1-x2Sx2的第二半导体层; 以及第三半导体层,其形成在所述第二半导体层的上方并且包含ZnO1-x3Sx3,其中所述第一半导体层的S组成x1,所述第二半导体层的S组成x2和所述第三半导体层的S组成x3被选择 导带下端的第二半导体层的能量变得低于导带下端的第一和第三半导体层的能量的两者的能量,并且第二半导体层在上端的能量 的价带变得高于在价带上端的第一和第三半导体层的能量的两个能量。