Display panel, method for manufacturing display panel, and display device

A display device, comprising a driving circuit and a display panel connected to the driving circuit, wherein the display panel comprises:

• a first substrate;
• an active switch layer;
• an electrophoretic layer;
• a second substrate;
• wherein the first substrate, the active switch layer, the electrophoretic layer, and the second substrate are arranged in sequence, wherein the electrophoretic layer is arranged between the first substrate and the second substrate;
• wherein the active switch layer is arranged on the first substrate;
• wherein the electrophoretic layer comprises a plurality of first microcapsules and a plurality of columns;
• wherein an interior of each of the plurality of first microcapsules is hollow and filled with a plurality of electrophoretic particles;
• wherein an interior of each of the plurality of columns is hollow and filled with a plurality of electrophoretic particles;
• wherein each of the plurality of first microcapsules is spherical;
• wherein the plurality of first microcapsules are arranged in a matrix, wherein there is defined a capsule gap between every four adjacent first microcapsules, and the respective column is disposed in the capsule gap;
• wherein let a direction pointing from the first substrate toward the second substrate be a first direction, wherein a height direction of each of the plurality of columns is consistent with the first direction;
• wherein a side of the second substrate facing away from the first substrate is a light-emitting side;
• and
• a plurality of second microcapsules, wherein a diameter of each of the plurality of second microcapsules is less than a diameter of each of the plurality of first microcapsules, wherein each of the plurality of second microcapsules is filled with the electrophoretic particles;
• wherein each of the plurality of second microcapsules is disposed in the respective capsule gap and on a side of the respective column facing away from the first substrate.