The ornamental design for a displaydevice for head mounted display, as shown and described herein.
FIG. 1 is a front, top and left-side perspective view of a display device for head mounted display showing our new design;
FIG. 2 is a rear, bottom and right-side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is rear elevational view thereof;
FIG. 5 is a left-side elevational view thereof;
FIG. 6 is a right-side elevational view thereof; and,
FIG. 7 is a top plan view thereof; a bottom plan view being a mirror image.
The broken lines depicting portions of the display device for head mounted display including the broken lines depicting the small holes in FIGS. 2 and 4 are for illustrative purposes only and form no part of the claimed design.