Display device

A display device is provided. The display device includes a substrate having a first portion and a second portion adjacent to the first portion in a first direction; a plurality of first pixels; and a plurality of second pixels, the second pixels including: a plurality of light emitters including a plurality of light emitting elements, and arranged in the first direction; a plurality of circuits including a plurality of transistors and arranged in the first direction; a plurality of first extension lines connected to the circuit unit; and a plurality of second extension lines connected to the first extension lines and the light emitter, in which a length of each of the first extension lines connected to the (k + 1)-th circuit unit is different from a length of each of the first extension lines connected to the k-th circuit unit in an order in a direction in which the circuit units are away from the first portion, and a length of each of the second extension lines connected to the k-th circuit unit is differen