Projection screen is one of the most commonly used products in projector peripheral equipment, and projection screen is the abbreviation of projection screen; If the projection screen is properly matched with the projector, high-quality projection effect can be obtained.

Projection screens can usually be divided into reflective and transmissive types; Reflection projection is used for front projection and transmission projection is used for back projection; Orthographic screen is divided into flat screen and arc screen; Plane screen can be divided into glass bead screen, metal screen, embossed plastic screen, elastic screen and so on. (Embossed plastics are divided into white plastics, gray plastics and silver plastics. ).

Projection screen can be divided into hard screen and soft screen in material and manufacturing process. The types and technical parameters of projection screens are interrelated, complementary and different. The key to explore its technology is how the materials on the screen surface scatter, reflect and refract the incident light. For the above two kinds of screens, there are two kinds of projection screen technologies on the market-soft screen and hard screen technology.