本发明公开一种紫外线发光设备。本发明的第一实施例的紫外线发光设备可以包括：基板，其具有第一面以及与第一面相对的第二面；发光结构体，其在基板的第一面形成，包括第一型半导体层、释放紫外线光的活性层以及第二型半导体层，基板的面积与发光结构体的发光面积的比值可为6.5以下。

An ultraviolet light emitting device is disclosed. An ultraviolet light emitting device according to a first embodiment of the present invention comprises: a substrate having a first surface and a second surface facing the first surface; and a light emitting diode comprising a first type semiconductor layer, an active layer which emits ultraviolet light, and a second type semiconductor layer, the light emitting diode being formed on the first surface of the substrate, wherein the area of the substrate divided by the light emitting area of the light emitting diode may be ≤ 6.5.