Portable Display Device

FIG. 1 is a front left perspective view of a portable display device showing my new design;

FIG. 2 is another front left perspective view of the portable display device;

FIG. 3 is a front elevational view of the portable display device, showing a graphic;

FIG. 4 is a rear elevational view of the portable display device;

FIG. 5 is a left side elevational view of the portable display device;

FIG. 6 is a right side elevational view of the portable display device;

FIG. 7 is a top plan view of the portable display device;

FIG. 8 is a bottom view of the portable display device;

FIG. 9 is an enlarged view of the portable display device, taken from encircled portion 9 in FIG. 2 ;

FIG. 10 is an enlarged view of the portable display device, taken from encircled portion 10 in FIG. 2 ; and,

FIG. 11 is an enlarged view of the portable display device, taken from encircled portion 11 in FIG. 8 .

The broken lines in the drawings depict portions of the portable display device and form no part of the claimed design. The dashed broken lines in FIGS. 3 and 4 , representing text, depict environmental subject matter only and form no part of the claimed design. The dot-dash-dot broken lines in FIGS. 2 and 8 - 11 depict enlarged views only and form no part of the claimed design.