Portable Display Device

FIG. 1 is a front, right, top perspective view of the portable display device showing our new design in a folded state;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front, right, top perspective view thereof in an unfolded state;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the portable display device that form no part of the claimed design.