The ornamental design for a solid statelightingunit with improved thermal management, as shown and described.
FIG. 1 is a perspective view of an embodiment of the ornamental design of a solid state lighting unit with improved thermal management.
FIG. 2 is a front view of an embodiment of the ornamental design of a solid state lighting unit with improved thermal management.
FIG. 3 is a back view of an embodiment of the ornamental design of a solid state lighting unit with improved thermal management.
FIG. 4 is a top view of an embodiment of the ornamental design of a solid state lighting unit with improved thermal management; and,
FIG. 5 is a bottom view of an embodiment of the ornamental design of a solid state lighting unit with improved thermal management.
The broken-line disclosure in the views is understood to represent portions of the article in which the claimed design is embodied, but which form no part of the claimed design.