I claim the ornamental design for a LED lantern, as shown and described.
FIG. 1 is a front perspective view of a LED lantern showing my new design;
FIG. 2 is a back-perspective view of the LED lantern as shown in FIG. 1;
FIG. 3 is a front-side view of the LED lantern as shown in FIG. 1;
FIG. 4 is a back-side view of the LED lantern as shown in FIG. 1;
FIG. 5 is a left-side view of the LED lantern as shown in FIG. 1;
FIG. 6 is a right-side view of the LED lantern as shown in FIG. 1;
FIG. 7 is a top-side view of the LED lantern as shown in FIG. 1; and,
FIG. 8 is a perspective side view of the LED lantern as shown in FIG. 1.
The broken lines are only for environmental purposes and form no part of the claimed design. No particular colour scheme forms part of the claimed design.