A display assembly includes: a frame; a liquid crystal panel installed in the frame; a glass diffusion plate attached to a light incident surface of the liquid crystal panel; and a film structure including one or more optical films and attached between the liquid crystal panel and the glass diffusion plate, wherein a light incident surface of the film structure faces the glass diffusion plate, a light exiting surface of the film structure faces the light incident surface of the liquid crystal panel, and the liquid crystal panel, the glass diffusion plate, and the film structure are attached together to form an integrated structure.