A display device includes a color display panel and an optical member arranged on the viewer's side of the color display panel. The color display panel includes a display region in which a plurality of color display pixels are arranged into rows and columns to form a matrix pattern. The display region includes a first display region and a second display region in which different arrangement patterns are used for primary color pixels. The first display region employs a first pattern in which primary color pixels of the same color are arranged in the column direction. The second display region employs a second pattern in which primary color pixels of different colors are arranged in the column direction in a repeating pattern. The second display region includes at least one column of color display pixels positioned on one end of the display region in the row direction.