The ornamental design for a light emittingdiodelamp, as shown and described.
FIG. 1 is a perspective view of a light emitting diode lamp 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 top plan view thereof.
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view of the light emitting diode lamp from another aspect, wherein the light emitting diode lamp is mounted to a lamp pole which is shown in broken lines for illustrative purpose only and forms no part of the claimed design.