We claim the ornamental design for a light emitting diode, as shown and described.
FIG. 1 is a front view of the light emitting diode according to our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a front, bottom, right side perspective view thereof; and,
FIG. 8 is a rear, bottom, right side perspective view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. The oblique lines in the drawings indicate a translucent material.