Light guide plate and display assembly

A light guide plate, comprising a bottom surface, a light exit surface and a light incident surface, wherein the bottom surface and the light exit surface are arranged opposite to each other, the light incident surface connects the bottom surface and the light exit surface, a plurality of microstructures are formed on the bottom surface;

• and the microstructure comprises a protruding part and a concave part, the protruding part protrudes towards a side facing away from the light exit surface, the concave part caves in towards the light exit surface, the concave part comprises a first surface facing an interior of the light guide plate, the first surface faces the light incident surface, the concave part comprises a second surface facing the interior of the light guide plate, and the second surface is an extended surface of the first surface.