Abstract: An LED display screen cover includes a screen cover body including a plurality of cover units disposed in an array of multiple rows and multiple columns, each cover unit configured to be positioned on top of a respective LED lamp of an array of LED pixel units of an LED screen. A top of each cover unit forms an arched structure extending away from the LED pixel lamp, the arched structures of adjacent cover units configured and joined along the columns and rows such that, when placed over an illuminated LED screen, no perceptible light gaps are visible between adjacent screen pixels, as viewed through the screen cover body.