The ornamental design for a light-emitting diode, as shown and described here.
FIG. 1 is a perspective view of the light-emitting diode in accordance with our new design, showing an upper surface and side surfaces thereof as viewed from diagonally above;
FIG. 2 is a perspective view thereof, showing a bottom surface and side surfaces as viewed from diagonally above;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a left side view thereof (a right side view thereof is symmetrical to FIG. 7).
The article is used in general lighting appliances, key illumination of mobile phones, light sources to illuminate light guides and to illuminate displays and so on.