The ornamental design for a displaydevice, as shown and described.
FIG. 1 is a perspective view of the display device in an unfolded 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 view thereof, with the bottom view being a mirror image;
FIG. 7 is a perspective view of the display device in a folded state;
FIG. 8 is a front view thereof;
FIG. 9 is a rear view thereof;
FIG. 10 is a left side view thereof;
FIG. 11 is a right side view thereof;
FIG. 12 is a top view thereof, with the bottom view being a mirror image; and,
FIGS. 13 to 15 illustrate that images can be displayed on the screen of the display device, but the images are shown for reference only and form no part of the design.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.