A display device includes a display panel and a reflection prevention unit. The reflection prevention unit includes a partition pattern overlapping a surrounding unit and having first, second, third, fourth, fifth, and sixth openings corresponding to first, second, third, fourth, fifth, and sixth light emitting areas defined therein, a first color filter overlapping the first light emitting area and the fourth light emitting area, a second color filter overlapping the second light emitting area and the third light emitting area, and a third color filter overlapping the fifth light emitting area and the sixth light emitting area. A portion of the third color filter, which is disposed in the peripheral area, is disposed on the third color filter.