Lighting Unit

FIG. 1 is a front, top perspective view of a lighting unit, showing the claimed design;

FIG. 2 is a front, right side elevation view thereof;

FIG. 3 is a rear, left side elevation view thereof;

FIG. 4 is a rear, right side elevation view thereof;

FIG. 5 is a front, left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross-sectional perspective view taken along line 8 - 8 of FIG. 1 ;

FIG. 9 is a front, top perspective view thereof, showing the lighting unit in an environment of use with a ceiling fan; and,

FIG. 10 is an enlarged view of detail 10 shown in FIG. 8 .

Broken lines illustrate portions of the lighting unit that form no part of the claimed design. Additional broken lines in FIG. 9 illustrate environment and form no part of the claimed design.