A display device according to an embodiment of the present invention includes: a first substrate; light emitting elements arranged on the first substrate and including electrodes; a first insulation layer covering an edge of each of the electrodes on the first substrate; a second insulating section arranged on the light emitting elements and overlapping with the light emitting elements in plan view; a third insulating section arranged the banks, overlapping with the banks in plan view and having a lower refractive index than a refractive index of the second insulating section.