A motherboard substrate, a motherboard panel, a display panel, a display device and a method for manufacturing the display panel are provided. The motherboard substrate comprises a plurality of display substrates arranged in an array and regions provided between adjacent display substrates. Each display substrate includes a region to be packaged; a first reflection structure is provided at the region to be packaged; a second reflection structure is provided on the outside of the display substrate and in the region between adjacent display substrates; and the second reflection structure and the first reflection structure are spaced apart from each other.