The ornamental design for a ledlampmodule, as shown and described.
FIG. 1 is a perspective view of a LED lamp module showing my/our new design;
FIG. 2 is a front elevational view thereof, the rear side being a mirror image;
FIG. 3 is a left side elevational view thereof, the right side being a mirror image;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is an alternate perspective view as seen from the bottom when the LED lamp module is disassembled from unclaimed subject matter for the purpose of illustrating the environment in which the article embodying the design is used; and,
FIG. 7 is the other reference view similar to FIG. 1, showing the LED lamp module in use with the light emitting part hatched with diagonal lines.