Provided is a display device, including: a drive circuit for inputting input signals generated based on video signals corresponding to at least red, green, and blue input from an exterior thereof; and a substrate including a plurality of connection wiring lines and a plurality of signal lines formed thereon, the plurality of connection wiring lines being connected to the drive circuit, the plurality of signal lines being provided in a display region, to which output signals output from the drive circuit are input through the plurality of connection wiring lines. The plurality of connection wiring lines supplied with the output signals corresponding to the respective colors are formed in layers different from each other corresponding to the respective colors on the substrate.