The ornamental design for lighting element, as shown.
FIG. 1 is a perspective view of a lighting element, showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a left-side view thereof;
FIG. 4 is a back view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a top view thereof.
The application relates to the design of a lighting element. The lighting element is in the shape of a rectangle that has been bent to have a curve. The edges of the lighting element have a rim that is distinct from the central area of each face. The lighting element is a free standing light.
The unique design and appearance of this device are illustrated in the drawings.