Backlight module and display device

A backlight module, comprising a backlight assembly and a light-shielding tape attached to an edge of the backlight assembly, wherein the backlight assembly comprises an upper surface, a lower surface and a side surface disposed between the upper surface and the lower surface;

• the light-shielding tape comprises a first adherent portion, a second adherent portion, and a third adherent portion that are continuously disposed;
• the first adherent portion is attached to the upper surface of the backlight assembly, the second adherent portion is attached to the side surface of the backlight assembly, and the third adherent portion is attached to the lower surface of the backlight assembly.