Display substrate and display device

The invention discloses a display substrate and a display device. The display substrate comprises a substrate; the common electrode layer is arranged on the substrate; the plurality of signal lines are arranged between the common electrode layer and the substrate; the plurality of signal lines comprise a plurality of grid lines and a plurality of data lines; the position, corresponding to at least one signal line, of the common electrode layer is provided with a hollowed-out part, and the orthographic projection, on the substrate, of the hollowed-out part is overlapped with the orthographic projection, on the substrate, of the signal line. 公开一种显示基板和显示装置，显示基板包括：衬底基板；公共电极层，设置在所述衬底基板上；多条信号线，设置在所述公共电极层与所述衬底基板之间；所述多条信号线包括多条栅线和多条数据线；其中，所述公共电极层对应于至少一条信号线的位置设置有镂空部，所述镂空部在所述衬底基板上的正投影与所述信号线在所述衬底基板上的正投影存在交叠。