An optical path control member according to one embodiment comprises: a first substrate; a first electrode arranged on the first substrate; a second substrate arranged on the first substrate; a second electrode arranged below the second substrate; and a light conversion unit arranged between the first electrode and the second electrode, wherein the light conversion unit includes a barrier part and an accommodation part, which are alternately arranged, the accommodation part has a light transmittance that changes according to applied voltage, the first electrode extends in a first direction and includes a plurality of pattern electrodes spaced from each other, and the barrier part and the accommodation part extend in a second direction that differs from the first direction.