Helmet Backlight

FIG. 1 is a top, front, left perspective view of a new design for a helmet backlight; FIG. 2 is a bottom, front, right perspective view thereof; FIG. 3 a right side view thereof; FIG. 4 is a left side view thereof; FIG. 5 is a front view thereof; and, FIG. 6 is a bottom view thereof. The helmet backlight is not visible from the rear view and top view therefore the views are not shown. The broken lines illustrate environment only that forms no part of the claimed design.