The ornamental design for an ledlamp, as shown and described.
FIG. 1 is a top front perspective view of an LED lamp showing my 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 bottom front perspective view thereof.
The solid diagonal lines in FIG. 8 demark light emitting parts and form no part of the claimed design. The broken lines shown in the drawings are included for the purpose of illustrating environmental structures and form no part of the claimed design.