In the display module 000 of this embodiment, the first sub-pixels 201 may be arranged along the first direction Y to form the first pixel groups 20A, and the second sub-pixels 202 and the third sub-pixels 203 may be arranged alternately along the first direction Y to form the second pixel groups 20B. The first pixel groups 20A and the second pixel groups 20B may be arranged alternately along the second direction X. Correspondingly, the display module 000 with the pixels arranged in this configuration may have improved resolution and a less grainy monochromatic image. Also, for each first pixel group 20A and an adjacent second pixel group 20B arranged alternately along a second direction X, a second display pixel 4021 corresponding to a first sub-pixel 201 may have an orthographic projection on the display panel 10 overlapping an orthographic projection of a first display pixel 4012 with respect to a corresponding second sub-pixel 202 on the display panel 10 and overlapping an orthographic projection of a first display pixel 4013 with respect to a third sub-pixel 203 adjacent to the second sub-pixel 202 on the display panel 10. 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. Correspondingly, the sub-pixels with different color may have different size. 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 may overlap each other. 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 may overlap each other. Correspondingly, a white pixel may be formed in the displayed image. In a monochromatic image, the sub-pixels with different color may be distributed more homogenously to reduce a grainy image. The display quality of the display module 000 may be improved.