Nitride-based light-emitting device
    24.
    发明授权
    Nitride-based light-emitting device 有权
    基于氮化物的发光器件

    公开(公告)号:US07928424B2

    公开(公告)日:2011-04-19

    申请号:US12270828

    申请日:2008-11-13

    IPC分类号: H01L33/00

    摘要: A nitride-based light-emitting device includes a substrate and a plurality of layers formed over the substrate in the following sequence: a nitride-based buffer layer formed by nitrogen, a first group III element, and optionally, a second group III element, a first nitride-based semiconductor layer, a light-emitting layer, and a second nitride-based semiconductor layer.

    摘要翻译: 氮化物系发光器件包括基板和在该基板上形成的多个层,其顺序如下:由氮形成的基于氮化物的缓冲层,第一III族元素和任选的第二III族元素, 第一氮化物基半导体层,发光层和第二氮化物基半导体层。

    LIGHT-EMITTING DEVICE
    26.
    发明申请
    LIGHT-EMITTING DEVICE 有权
    发光装置

    公开(公告)号:US20050285136A1

    公开(公告)日:2005-12-29

    申请号:US11160354

    申请日:2005-06-21

    IPC分类号: H01L31/00 H01L33/22 H01L33/00

    CPC分类号: H01L33/22

    摘要: A light-emitting device includes a substrate, a first nitride semiconductor stack formed on the substrate, a nitride light-emitting layer formed on the first nitride semiconductor stack, a second nitride semiconductor stack formed on the nitride light-emitting layer, and a first transparent conductive oxide layer formed on the second nitride semiconductor stack. The second nitride semiconductor stack includes a plurality of hexagonal-pyramid cavities formed in an upper surface of the second nitride semiconductor stack. The plurality of hexagonal-pyramid cavities of the second nitride semiconductor stack are filled with the first transparent conductive oxide layer, and a low-resistance ohmic contact is generated at the inner surfaces of the plurality of hexagonal-pyramid cavities so as to decrease the operation voltage and improve light-emitting efficiency of the light-emitting device.

    摘要翻译: 发光装置包括基板,形成在基板上的第一氮化物半导体堆叠,形成在第一氮化物半导体堆叠上的氮化物发光层,形成在氮化物发光层上的第二氮化物半导体堆叠,以及第一 透明导电氧化物层形成在第二氮化物半导体堆叠上。 第二氮化物半导体堆叠包括形成在第二氮化物半导体堆叠的上表面中的多个六边形棱锥空腔。 第二氮化物半导体叠层的多个六角形金字塔腔被第一透明导电氧化物层填充,并且在多个六角锥形空腔的内表面处产生低电阻欧姆接触,以减少操作 电压并提高发光装置的发光效率。

    High-efficiency light-emitting device and manufacturing method thereof
    27.
    发明授权
    High-efficiency light-emitting device and manufacturing method thereof 有权
    高效发光元件及其制造方法

    公开(公告)号:US08994052B2

    公开(公告)日:2015-03-31

    申请号:US13161835

    申请日:2011-06-16

    CPC分类号: H01L33/10 H01L33/22

    摘要: A light-emitting device includes a first semiconductor layer; an active layer formed on the first semiconductor layer; a second semiconductor layer formed on the active layer; and a first pad formed on the second semiconductor layer, wherein the second semiconductor layer comprises a first region right under the first pad and a plurality of voids formed in the first region, wherein the region outside the first region in the second semiconductor layer is devoid of voids, and an area of the first region is smaller than that of the first pad in top view and the area of the first pad is smaller than that of the second semiconductor layer in top view, and the light emitted from the active layer is extracted from a top surface of the second semiconductor layer opposite the first semiconductor layer.

    摘要翻译: 发光器件包括第一半导体层; 形成在所述第一半导体层上的有源层; 形成在所述有源层上的第二半导体层; 以及形成在所述第二半导体层上的第一焊盘,其中所述第二半导体层包括位于所述第一焊盘下方的第一区域和形成在所述第一区域中的多个空隙,其中所述第二半导体层中的所述第一区域外部的区域为空 并且第一区域的面积比顶视图中的第一区域的面积小,并且第一衬垫的面积在俯视图中小于第二半导体层的面积,并且从有源层发射的光为 从与第一半导体层相对的第二半导体层的顶表面提取。

    Light-emitting device
    29.
    发明授权
    Light-emitting device 有权
    发光装置

    公开(公告)号:US07385226B2

    公开(公告)日:2008-06-10

    申请号:US11160354

    申请日:2005-06-21

    IPC分类号: H01L33/00

    CPC分类号: H01L33/22

    摘要: A light-emitting device includes a substrate, a first nitride semiconductor stack formed on the substrate, a nitride light-emitting layer formed on the first nitride semiconductor stack, a second nitride semiconductor stack formed on the nitride light-emitting layer, and a first transparent conductive oxide layer formed on the second nitride semiconductor stack. The second nitride semiconductor stack includes a plurality of hexagonal-pyramid cavities formed in an upper surface of the second nitride semiconductor stack. The plurality of hexagonal-pyramid cavities of the second nitride semiconductor stack are filled with the first transparent conductive oxide layer, and a low-resistance ohmic contact is generated at the inner surfaces of the plurality of hexagonal-pyramid cavities so as to decrease the operation voltage and improve light-emitting efficiency of the light-emitting device.

    摘要翻译: 发光装置包括基板,形成在基板上的第一氮化物半导体堆叠,形成在第一氮化物半导体堆叠上的氮化物发光层,形成在氮化物发光层上的第二氮化物半导体堆叠,以及第一 透明导电氧化物层形成在第二氮化物半导体堆叠上。 第二氮化物半导体堆叠包括形成在第二氮化物半导体堆叠的上表面中的多个六边形棱锥空腔。 第二氮化物半导体叠层的多个六角形金字塔腔被第一透明导电氧化物层填充,并且在多个六角锥形空腔的内表面处产生低电阻欧姆接触,以减少操作 电压并提高发光装置的发光效率。

    LIGHT-EMITTING DEVICE
    30.
    发明申请
    LIGHT-EMITTING DEVICE 有权
    发光装置

    公开(公告)号:US20080054278A9

    公开(公告)日:2008-03-06

    申请号:US11160354

    申请日:2005-06-21

    IPC分类号: H01L33/00

    CPC分类号: H01L33/22

    摘要: A light-emitting device includes a substrate, a first nitride semiconductor stack formed on the substrate, a nitride light-emitting layer formed on the first nitride semiconductor stack, a second nitride semiconductor stack formed on the nitride light-emitting layer, and a first transparent conductive oxide layer formed on the second nitride semiconductor stack. The second nitride semiconductor stack includes a plurality of hexagonal-pyramid cavities formed in an upper surface of the second nitride semiconductor stack. The plurality of hexagonal-pyramid cavities of the second nitride semiconductor stack are filled with the first transparent conductive oxide layer, and a low-resistance ohmic contact is generated at the inner surfaces of the plurality of hexagonal-pyramid cavities so as to decrease the operation voltage and improve light-emitting efficiency of the light-emitting device.

    摘要翻译: 发光装置包括基板,形成在基板上的第一氮化物半导体堆叠,形成在第一氮化物半导体堆叠上的氮化物发光层,形成在氮化物发光层上的第二氮化物半导体堆叠,以及第一 透明导电氧化物层形成在第二氮化物半导体堆叠上。 第二氮化物半导体堆叠包括形成在第二氮化物半导体堆叠的上表面中的多个六边形棱锥空腔。 第二氮化物半导体叠层的多个六角形金字塔腔被第一透明导电氧化物层填充,并且在多个六角锥形空腔的内表面处产生低电阻欧姆接触,以减少操作 电压并提高发光装置的发光效率。