The ornamental design for a displaydevice, as shown and described.
FIG. 1 is the front/right-side/top perspective view of a display device showing our new design;
FIG. 2 is the front elevational view thereof;
FIG. 3 is the rear elevational view thereof;
FIG. 4 is the left-side elevational view thereof;
FIG. 5 is the right-side elevational view thereof;
FIG. 6 is the top-side plan view thereof; and,
FIG. 7 is the bottom-side plan view thereof.
The regularly spaced broken lines in FIGS. 1-3, 6, and 7 illustrate portions of the display device which form no part of the claimed design. The irregularly spaced broken lines in FIGS. 1-3 illustrate the bounds of the claim and form no part thereof.
The shade lines in the figures show contour and not surface ornamentation.