An embodiment of the application discloses a display panel motherboard and a method for manufacturing a display panel. The display panel motherboard includes a plurality of panel areas and a cutting area located between the panel areas. The display panel motherboard further includes a substrate, a display function layer, a peeling film layer, and an encapsulation layer. In particular, the display function layer is disposed on the substrate and includes a plurality of display unit sections, of which one display unit section is formed within one panel area. The peeling film layer is located within the cutting area. The encapsulation layer can be patterned as a consequence of peeling off the pre-formed peeling film layer without a photomask.