We claim the ornamental design for a light frame, as shown and described.
FIG. 1 is a perspective view of a new design comprising a light frame shown in the example context of a billiard table;
FIG. 2 is a top perspective view of the new design comprising a light frame;
FIG. 3 is a bottom perspective view of the light frame of FIG. 2;
FIG. 4 is a top view of the light frame of FIG. 2;
FIG. 5 is a bottom view of the light frame of FIG. 2;
FIG. 6 is a right side view of the light frame of FIG. 2;
FIG. 7 is a left side view of the light frame of FIG. 2;
FIG. 8 is a front view of the light frame of FIG. 2; and,
FIG. 9 is a back view of the light frame of FIG. 2.
The portions of the frame, the light fixtures, the chains, the ceiling fixtures, and the billiard table shown in broken lines are for illustrative purposes only and do not form port of the claimed design.