The ornamental design for a light emittingdiodelamp, as shown and described.
FIG. 1 is a perspective view of a light emitting diode lamp showing an embodiment of our new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken line showing of the portion of the light emitting diode lamp is included for the purpose of illustrating only and forms no part of the claimed design.