We claim, the ornamental design for LED lamp, as shown and described herein.
FIG. 1 is a perspective view of the lamp.
FIG. 2 is a first side elevational view of the lamp showing a light-transmissive side of the lamp.
FIG. 3 is a second side elevational view of the lamp, the view from an opposite side of the second side being the same.
FIG. 4 is a third side elevational view of the lamp, which is an opposite side of the lamp from the view of the first side shown in FIG. 2.
FIG. 5 is a bottom view of the lamp; and,
FIG. 6 is a top plan view of the lamp.
Any broken lines on the drawings depict portions of the lamp that form no part of the claimed design. Stippling lines shown in the drawings are intended to represent contour, and are not intended to indicate surface decoration. References to “side”, “top”, and “bottom” in the figure descriptions are not meant to require certain in-use orientation; a lamp according to the claimed design may be used in any orientation.