A light-emitting device and a display apparatus including the light-emitting device are provided. The light-emitting device includes a light-emitting cell including first and second electrodes arranged on an upper surface to be apart from each other, an extended layer in which the light-emitting cell is embedded and which has a width greater than a width of the light-emitting cell, and first and second electrode pads arranged on an upper surface of the extended layer to be apart from each other and respectively electrically connected to the first and second electrode.