An optical path control member according to an embodiment comprises an adhesive layer disposed between a second electrode and a light conversion part, wherein: the light conversion part includes a partition wall part and a reception part alternately arranged; the partition wall part includes a first area from the upper surface of the partition wall part up to 30 μm in a direction toward the first substrate, a third area from the lower surface of the partition wall part up to 30 μm in a direction toward the second substrate, and a second area provided between the first area and the third area; and Si measured by XPS in the first area corresponds to 2 at % or less.