What ALR screens are available on the market?

2021-11-12 16:37:44 fscreen 4

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At present, the market projection screen display effect respectively from low to high ranking, there are white screen, anti-light screen, black-grid screen and Fresnel optical screen. White screen is mainly suitable for the dark environment, anti-light screen relative to white screen, if not turn off the light effect is more clear; anti-light screen through sacrificing overall brightness to enhance image contrast, but overall, the gain is less than 1, the Fresnel optical screen is the use of micro-structure reflection, block out the light,will not waste the projector light lumens, also not to reduce the color brightness to improve contrast, its gain greater than 1.3,  Now it is the best projection screen display on the market.