A display panel and a display device are provided. The display panel includes a first display module and a second display module. The first display module includes a display region and a light-transmission region adjacent to the display region. The second display module is disposed in the light-transmission region, and is adjacent to the display region of the first display module. The second display module includes a plurality of pixel regions. Each of the pixel regions is provided with a self-luminous micro-light-emitting unit, and any adjacent two of the micro-light-emitting units are spaced apart from each other.