1. A display device comprising: a plurality of pixel patterns configured to display an image, wherein each of the plurality of pixel patterns is repetitively arranged in row and column directions, wherein each pixel pattern includes: a plurality of primary pixels, wherein each primary pixel is composed of two primary color sub-pixels which provide two primary colors of three primary colors, wherein the three primary colors comprise red, green and blue; a plurality of first complex pixels, wherein each first complex pixel is composed of one primary color sub-pixel which provide a remaining primary color of the three primary colors and a first non-primary color sub-pixel which provide a first color selected from non-primary colors, wherein the non-primary colors are different from the three primary colors; and a plurality of second complex pixels, wherein each second complex pixel is composed of one primary color sub-pixel configured to provide the remaining primary color and a second non-primary color sub-pixel configured to provide a second color selected from the non-primary colors, and wherein each of two colors which are provided by one pixel among the primary pixels, the first complex pixels, and the second complex pixels is different from each of two colors which are provided by each adjacent pixels to the one pixel in the row and the column directions.