Light-emitting device having a plurality of support layers and light-emitting device package including the same

    公开(公告)号:US10468554B2

    公开(公告)日:2019-11-05

    申请号:US15740167

    申请日:2016-06-17

    Abstract: A light-emitting device according to an embodiment of the present invention includes a substrate; a light-emitting structure provided on the substrate, and including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer provided between the first conductive type semiconductor layer and the second conductive type semiconductor layer; a first electrode provided on the light-emitting structure; a first connecting electrode provided on the first electrode; a second electrode provided on the light-emitting structure; a second connecting electrode provided on the second electrode; and a support layer provided around the first electrode, the first connecting electrode, the second electrode and the second connecting electrode. The support layer includes a first support layer having a first coefficient of thermal expansion, and a second support layer provided on the first support layer and having a second coefficient of thermal expansion.

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