The ornamental design for a lightingdevice, as shown and described.
FIG. 1 is a top, left, front perspective view of a lighting device embodying our new design;
FIG. 2 is a bottom, right, front perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a right elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a rear elevational view thereof; and,
FIG. 9 is a left elevational view thereof, with a cover shown as environment.
The broken line representations showing in FIGS. 1-9 of the lighting device illustrate portions of the lighting device that form no part of the claimed design.
The nature of this product is a device for lighting, such as light guide components of a light for illuminating spaces, for example spaces near vehicles.