Semiconductor device and display device including the same

A semiconductor device comprising:

• a light emitting structure including a first conductive type semiconductor layer, a plurality of active layers disposed to be spaced apart on the first conductive type semiconductor layer, and a plurality of second conductive type semiconductor layers disposed on the plurality of active layers, respectively;
• a first electrode electrically connected to the first conductive type semiconductor layer;
• and
• a plurality of second electrodes electrically connected to the plurality of second conductive type semiconductor layers, respectively, wherein:
• the plurality of active layers include a first active layer, a second active layer, and a third active layer;
• the light emitting structure includes a first light emitter including the first active layer, a second light emitter including the second active layer, and a third light emitter including the third active layer;
• the first active layer emits light in a blue wavelength band while the second active layer emits light in a green wavelength band;
• and
• a height of the second active layer is smaller than a height of the first active layer and a height of the third active layer,
• wherein the first active layer, the second active layer and the third active layer are directly in contact with the first conductive type semiconductor.