A display device includes a base substrate, a first color filter on the base substrate, the first color filter extending in a direction, a plurality of second color filters on the base substrate, the plurality of second color filters being adjacent to the first color filter, a passivation layer on the base substrate, the first color filter, and the plurality of second color filters, a light blocking portion on the passivation layer, a main column spacer protruding from the light blocking portion, and a sub-column spacer spaced apart from the main column spacer and protruding from the light blocking portion where the main column spacer overlaps the first color filter, and the sub-column spacer is disposed between two of the plurality of second color filters that are adjacent to each other.