FIG. 1 is a perspective view of a light-emitting diode unit showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof; and
FIG. 8 is a bottom plan view thereof.
FIG. 9 is a perspective view of a second embodiment of a light-emitting diode unit showing my new design;
FIG. 10 is another perspective view of the second embodiment;
FIG. 11 is a front elevational view of the second embodiment;
FIG. 12 is a rear elevational view of the second embodiment;
FIG. 13 is a left side view of the second embodiment;
FIG. 14 is a right side view of the second embodiment;
FIG. 15 is a top plan view of the third embodiment; and
FIG. 16 is a bottom plan view of the third embodiment.
FIG. 17 is a perspective view of a third embodiment of a light-emitting diode unit showing my new design;
FIG. 18 is another perspective view of the third embodiment;
FIG. 19 is a front elevational view of the third embodiment;
FIG. 20 is a rear elevational view of the third embodiment;
FIG. 21 is a left side view of the third embodiment;
FIG. 22 is a right side view of the third embodiment;
FIG. 23 is a top plan view of the third embodiment; and
FIG. 24 is a bottom plan view of the third embodiment.
FIG. 25 is a perspective view of a fourth embodiment of a light-emitting diode unit showing my new design;
FIG. 26 is another perspective view of the fourth embodiment;
FIG. 27 is a front elevational view of the fourth embodiment;
FIG. 28 is a rear elevational view of the fourth embodiment;
FIG. 29 is a left side view of the fourth embodiment;
FIG. 30 is a right side view of the fourth embodiment;
FIG. 31 is a top plan view of the fourth embodiment; and,
FIG. 32 is a bottom plan view of the fourth embodiment.
The broken line showing is for the purpose of illustrating environmental structure only and forms no part of the claimed design.