The ornamental design for an ledlightbar, as shown and described.
FIG. 1 is a perspective view of an LED light bar showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is an exploded perspective view of the led light bar; and,
FIG. 10 is an enlarged view of portion 10 shown in FIG. 1.
The LED light bar is shown with a symbolic break in its length and the appearance of any portion of the LED light bar between the break lines form no part of the claimed design. The broken lines in the drawings depict portions of the LED light bar that form no part of the claimed design.