The present application provides a display panel, a manufacturing method thereof, and a display device; first intervals and second intervals are defined between a plurality of first electrodes, a plurality of first pixel banks are arranged corresponding to the first intervals, and a plurality of second pixel banks are arranged corresponding to the second intervals, wherein the second pixel banks cross over the first pixel banks, and a thickness of the second pixel banks is greater than a thickness of the first pixel banks, so that light-emitting materials of a same color can be continuously printed between adjacent ones of the second pixel banks.