A display device for displaying color image data , the display device comprising: a plurality of pixel groups arranged in a first direction and a second direction to form a display surface, the first direction being orthogonal to the second direction, wherein each pixel group comprises a first square-shaped pixel housing , a second square-shaped pixel housing and a rectangular-shaped pixel housing ; wherein the first square-shaped pixel housing and the second square-shaped pixel housing are equal in size and are arranged so that they are aligned next to each other in the first direction with a distance (a) therebetween, and the rectangular-shaped pixel housing is arranged directly adjacent to and aligned with the first and second square-shaped pixel housings in the second direction, wherein the length of the longest side of the rectangular-shaped pixel housing is equal to twice the length of a side of the first square-shaped pixel housing plus the distance (a); and wherein each first square-shaped pixel housing , each second square-shaped pixel housing and each rectangular-shaped pixel housing comprises exactly one red light source and exactly one green light source and exactly one blue light source , wherein, in each of the first square-shaped pixel housings and each of the second square-shaped pixel housings , the three light sources are each arranged on a corner of a triangle shape, wherein the triangle shape is substantially at the centroid of each of the first and second square-shaped pixel housing, and wherein, in each rectangular-shaped pixel housing the three light sources are arranged in a line arrangement in the first direction at the centroid of the rectangular-shaped pixel housing . a plurality of pixel groups arranged in a first direction and a second direction to form a display surface, the first direction being orthogonal to the second direction, wherein each pixel group comprises a first square-shaped pixel housing , a second square-shaped pixel housing and a rectangular-shaped pixel housing ; wherein the first square-shaped pixel housing and the second square-shaped pixel housing are equal in size and are arranged so that they are aligned next to each other in the first direction with a distance (a) therebetween, and the rectangular-shaped pixel housing is arranged directly adjacent to and aligned with the first and second square-shaped pixel housings in the second direction, wherein the length of the longest side of the rectangular-shaped pixel housing is equal to twice the length of a side of the first square-shaped pixel housing plus the distance (a); and wherein each first square-shaped pixel housing , each second square-shaped pixel housing and each rectangular-shaped pixel housing comprises exactly one red light source and exactly one green light source and exactly one blue light source , wherein, in each of the first square-shaped pixel housings and each of the second square-shaped pixel housings , the three light sources are each arranged on a corner of a triangle shape, wherein the triangle shape is substantially at the centroid of each of the first and second square-shaped pixel housing, and wherein, in each rectangular-shaped pixel housing the three light sources are arranged in a line arrangement in the first direction at the centroid of the rectangular-shaped pixel housing . <EOS>