Display apparatus

A display apparatus, comprising:

• a frame comprising a body, a plurality of side walls and a plurality of limiting posts integrally formed, wherein the side walls are connected end to end to form an accommodation space with the body, and each limiting post is located on one side of the accommodation space and adjoins at least one of the side walls;
• a backlight in the accommodation space and fixed to the body, wherein an orthographic projection of the backlight on the body is not overlapped with orthographic projections of the limiting posts on the body;
• an optical assembly on a side of the backlight away from the body, wherein the optical assembly is located in the accommodation space and fixed to the limiting posts;
• and
• a three-dimensional display assembly on a side of the optical assembly away from the body, wherein the three-dimensional display assembly covers the accommodation space and is fixed to the side walls.