At present, there is an overwhelming amount of technology and product introductions for projectors, but there seems to be relatively little attention paid to projector screens. In many projector dealers' promotions, projector screens often appear as free gifts. So, are projector screens really as insignificant as many people think? What role do they play, and how are they classified? Today, we will focus on introducing them. The status of projector screens is actually directly related to the working principle of projectors. We know that projectors are passive light sources, and the light from the projectors is projected onto walls or screens, where it is reflected into our eyes for us to see the images. However, in the process of reflection, diffuse reflection is unavoidable. Because in addition to the effective image light, there are also environmental light and other unwanted light entering the eyes through diffuse reflection, which will interfere with the normal projection effect. In order to reduce the interference of unwanted light, we often choose to achieve better projection in darker meeting rooms or by turning off the lights.

In fact, one of the key steps to reduce the interference of unwanted light is to choose the right projection screen. A good projection screen not only reduces the amount of diffuse reflection but also enhances the brightness of the projected image, which is why the price of projection screens can vary by a factor of a hundred or even higher. Therefore, the role of a projection screen is actually very important.

Then what are the classifications of the projector screen? Generally, it can be divided into electric screens, floor-pulling screens, support screens, and manual screens according to the installation method.

Electric curtains and manual curtains are suspended, the difference is that electric curtains can be controlled by remote control to raise and lower the curtain, while manual curtains require manual pulling, which is easier to damage. Therefore, electric curtains are relatively high-end, while manual curtains are more affordable. The floor-pulling curtains and support curtains are all portable curtains, which are more flexible to carry, among which the floor-pulling curtains can be collected in a box, convenient to carry. The support curtain is more cost-effective.