FIG. 1 is a bottom, front and left side perspective view of an LED display screen showing our new design;
FIG. 2 is a bottom, rear and left side perspective view thereof;
FIG. 3 is a top, rear and right side perspective view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a right side view thereof;
FIG. 8 is a top plan view thereof;
FIG. 9 is a bottom plan view thereof;
FIG. 10 is an enlarged view of portion 10 in FIG. 1;
FIG. 11 is an enlarged view of portion 11 in FIG. 1;
FIG. 12 is an enlarged view of portion 12 in FIG. 2;
FIG. 13 is an enlarged view of portion 13 in FIG. 6; and,
FIG. 14 is an enlarged view of portion 14 in FIG. 7.
The broken lines in the drawings illustrate portions of the LED display screen which form no part of the claimed design.