FIG. 1 is a front view of a graphic display device showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a perspective view thereof;

FIG. 7 is a front view of an alternative embodiment of a graphic display device showing my new design;

FIG. 8 is a top view thereof;

FIG. 9 is a bottom view thereof;

FIG. 10 is a right side view thereof;

FIG. 11 is a left side view thereof; and,

FIG. 12 is a perspective view thereof.

The broken line showing of the rearwardly projecting elements is for illustrative purposes only and forms no part of the claimed design. The unshown rear portion of the graphic display device forms no part of the claimed design.