This liquid crystal display device (display device) is provided with: a liquid crystal panel (display panel) (11) provided with a plurality of linear edge portions (11b1) each of which is formed by forming a portion of a substantially circular outer circumferential portion into a linear shape; and a plurality of flexible boards (mounting components) (20) mounted outside of the outer circumference of the liquid crystal panel (11) so as to conform to the arrangement of the plurality of straight edge portions (11b1) with respect to the circumferential direction.