A display panel and a display device are provided. The display panel includes a display liquid crystal panel and a light control panel that are stacked; the display liquid crystal panel includes grid lines; the grid lines include first grid lines extending along a first direction and second grid lines extending along a second direction, the first direction intersect with the second direction; the first grid lines and the second grid lines define a plurality of sub-pixel units; the light control panel allows backlight to illuminate into the display liquid crystal panel through the light control panel, and includes signal lines; the signal lines include first signal lines extending along the first direction and second signal lines extending along the second direction; the first signal lines and the second signal lines define a plurality of light control units; at least part of the signal lines is a fold line.