For each first pixel group 20A and an adjacent second pixel group 20B arranged alternately along a second direction X, an orthographic projection of a second display pixel 4022 with respect to a second sub-pixel 202 on the display panel 10 and an orthographic projection of a second display pixel 4023 with respect to a third sub-pixel 203 adjacent to the second sub-pixel 202 on the display panel 10 may be both located inside an orthographic projection of a first display pixel 4011 corresponding to a corresponding first sub-pixel 201 on the display panel 10.

A second display pixel 4021 of a first sub-pixel 201, a first display pixel 4012 of a corresponding second sub-pixel 202, and a first display pixel 4013 of a corresponding third sub-pixel 203 whose orthographic projections overlap each other, may form a display pixel unit. A first display pixel 4011 of a first sub-pixel 201, a second display pixel 4022 of a corresponding second sub-pixel 202, and a second display pixel 4023 of a corresponding third sub-pixel 203 whose orthographic projections overlap each other, may form a display pixel unit.