What materials are used for rear projection screens?

Rear projection screens (also known as rear projection displays) are a technology that displays images by projecting from the back of the screen. To achieve this effect, rear projection screens need to have certain optical properties and appropriate material properties. Common rear projection screen materials include:

Rear Projection Film: Rear projection film is a commonly used material for rear projection screens, with high light transmittance and good optical diffusion properties. This film material is usually transparent and can effectively scatter the projection light evenly, making the projection image clearly visible in front of the screen. Rear projection film is generally made of polymer plastic (such as polyester film, polyurethane film, etc.), and the surface is specially treated to achieve the diffusion effect.

Rear Projection Glass: This material is usually made of special glass or glass treated with optical coatings, with good optical transmittance and image distribution effects. Projection glass is more suitable for high-brightness projection than ordinary glass, and can maintain high color accuracy and contrast.

Diffusion Plate: The function of this type of material is to diffuse the projection light source so that the image is presented evenly and clearly. Diffusers can be made of different types of plastic or glass materials, usually with tiny particles or textures on the surface to help scatter the projected light and avoid too much concentration of bright spots.

Reflective Screens: In some rear projection technologies, reflective screens can also be used as a component. Its function is to reflect the light passing through the screen surface to enhance the brightness and clarity of the image.

The material of the rear projection screen needs to achieve a balance in terms of light transmission, diffusion and reflectivity. Different rear projection applications (such as home theater, conference room display, billboards, etc.) may choose different material types according to needs.

GREY REAR PROJECTION SCREEN FILM