A 3D /2D multiprimary color image device is provided with an optical unit to direct one image to the left eye and another image to the right eye. Each color dot of the multiprimary color image device comprises at least two color sections controlled independently. To display a 3D image, one section of a color dot is for displaying a left eye image while another section of the same color dot is for displaying a right eye image. To display a 2D image, both sections of a color dot for the left eye and for the right eye displaying the same image independently.