To improve display quality of a display device through prevention of color drift at a long-term use, as to a self-light-emitting one carrying out color display with a plurality of mixed colors.

The self-light-emitting display device arrays self-light-emitting elements 1C1, 1C2, 1C3of different luminescent colors in parallel on a substrate 10, and carry outs color display with a plurality of mixed colors. Each self-light-emitting element 1C1(1C2, 1C3) makes up a lamination structure pinching a layer structure 12 containing light-emitting function layers 12C1(12C2, 12C3) between a pair of electrodes (a lower electrode 11 and an upper electrode 13) on the substrate.

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