Lighting device

[0001]FIG. 1 is a left perspective view of a lighting device showing my new design;

[0002]FIG. 2 is a left side elevation view thereof;

[0003]FIG. 3 is a right side elevation view thereof;

[0004]FIG. 4 is a front elevation view thereof;

[0005]FIG. 5 is a rear elevation view thereof;

[0006]FIG. 6 is a top plan view thereof;

[0007]FIG. 7 is a bottom plan view thereof;

[0008]FIG. 8 is an enlarged version of FIG. 6; and,

[0009]FIG. 9 is an enlarged version of FIG. 7.

[0010]The dashed broken lines in FIGS. 1-9 portions of the lighting device that form no part of the claimed design. The dashed-dotted broken lines in FIGS. 6-9 are for the purpose of annotating the enlarged views only and form no part of the claimed design.