SEMICONDUCTOR DEVICE
    3.
    发明申请

    公开(公告)号:US20190198711A1

    公开(公告)日:2019-06-27

    申请号:US16231776

    申请日:2018-12-24

    摘要: Exemplary embodiments provide a semiconductor device including: a semiconductor structure which includes a first-conductive-type semiconductor layer, a second-conductive-type semiconductor layer, and an active layer disposed between the first-conductive-type semiconductor layer and the second-conductive-type semiconductor layer, wherein the semiconductor structure has a first recess passing through the second-conductive-type semiconductor layer, the active layer and a first portion of the first-conductive-type semiconductor layer; and a plurality of second recesses passing through the second-conductive-type semiconductor layer, the active layer and a second portion of the first-conductive-type semiconductor layer, wherein the first recess is disposed along an outer surface of the semiconductor structure, wherein the plurality of second recesses are surrounded by the first recess.

    VERTICAL TOPOLOGY LIGHT EMITTING DEVICE
    9.
    发明申请

    公开(公告)号:US20190051796A1

    公开(公告)日:2019-02-14

    申请号:US16162030

    申请日:2018-10-16

    发明人: Myung Cheol YOO

    摘要: A light emitting device can include a metal support structure comprising Cu; an adhesion structure on the metal support structure; a reflective conductive contact on the adhesion structure; a GaN-based semiconductor structure on the reflective conductive contact, in which the GaN-based semiconductor structure includes a first-type semiconductor layer on the metal support structure, an active layer on the first-type semiconductor layer, and a second-type semiconductor layer on the active layer, the GaN-based semiconductor structure includes a bottom surface proximate to the metal support structure, a top surface opposite to the bottom surface, and a side surface between the top surface and the bottom surface, and a first thickness of the GaN-based semiconductor structure from the bottom surface to the top surface is less than 5 micrometers; an interface layer on the GaN-based semiconductor structure; and a contact pad on the interface layer, in which a second thickness of the metal support structure is 0.5 times less than a width of the top surface of the GaN-based semiconductor structure.