The ornamental design for a ledlampmodule, as shown and described.
FIG. 1 is a front view of a LED lamp module, showing our new design, the rear view thereof being omitted because it is symmetrical to FIG. 1;
FIG. 2 is a top view of the design;
FIG. 3 is a bottom view of the design;
FIG. 4 is a right side view of the design, the left side view being omitted because it is symmetrical to FIG. 4;
FIG. 5 is a top perspective view of the design; and,
FIG. 6 is a bottom perspective view of the design.
The design is the shape and visual features of the LED lamp module. The dashed broken lines are for the purpose of illustrating environment structure of the LED lamp module design and form no part of the claimed design.