The present disclosure relates to a display panel and a display device. The display panel includes: a liquid crystal display panel; and a dimming liquid crystal panel including a plurality of dimming pixels defined by a second mesh structure and arranged in an array, wherein the second mesh structure includes a plurality of light shielding lines extending along a first direction and having a waveform, each of the light shielding lines includes a plurality of periodic parts, each of the plurality of periodic parts includes a first portion and a second portion which are symmetrical relative to a symmetry axis along a second direction, the first portion comprises a first segment and a second segment, the second portion comprises a third segment which is symmetrical with the second segment relative to the symmetry axis and a fourth segment which is symmetrical with the first segment relative to the symmetry axis.