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 a portion of the light emitting diode lamp is included for the purpose of illustrating only and forms no part of the claimed design.