The ornamental design for a lightingdevice, as shown and described.
The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front perspective view of the front, right, and top sides of a lighting device showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof, a bottom plan view being a mirror image thereof;
FIG. 5 is a right side view thereof, a left side view being a mirror image thereof;
FIG. 6 is an enlarged end view showing cross-sectional end face only at a cut part 6-6, with partially omitting the interior mechanism;
FIG. 7 is an enlarged end view showing cross-sectional end face only at a cut part 7-7, with partially omitting the interior mechanism; and,
FIG. 8 is a reference perspective view showing a light emitting state.
The broken lines shown represent unclaimed subject matter of the lighting device and form no part of the claimed design.