A display screen and a display device are provided. The display screen includes a display panel assembly, a light bar, and a reflective layer. The display panel assembly includes at least two display panels with a splicing gap between each two display panels. The light bar is attached to a display surface of the display panel assembly, covers the splicing gap, and has two opposite side surfaces extending along a length of the splicing gap. At least one side surface of the light bar is provided with the reflective layer to prevent black borders from appearing on the side surfaces of the light bar.