A display device may include a substrate including a display region and a non-display region, the non-display region including a fan-out region and a pad region, a plurality of pixels in the display region, a pad portion located in the pad region, a line portion located in the fan-out region, a power pad portion located in one region of the non-display region, a first power line located in the display region and connected to the plurality of pixels, a second power line located in the display region, spaced from the first power line, and connected to the plurality of pixels, a first bus line located in the non-display region and connected to the first power line, and a second bus line located in the non-display region and connected to the second power line.