The ornamental design for a light emitting diodelightbulb, as shown and described.
FIG. 1 is a perspective view of a light emitting diode light bulb showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a bottom side elevational view thereof;
FIG. 7 is a top side elevational view thereof; and,
FIG. 8 is an illustrative view of a light emitting diode light bulb in one embodiment of the invention, which shows six light emitting diodes being assembled inside a light emitting diode light bulb.
The broken lines in the Figures are for illustrative purposes only and form no part of the claimed design.