Light bulb

FIG. 1 is a perspective view of a light bulb thereof;

FIG. 2 is a front view of the light bulb thereof;

FIG. 3 is a back view of the light bulb thereof;

FIG. 4 is a top view of the light bulb thereof;

FIG. 5 is a bottom view of the light bulb thereof;

FIG. 6 is a right side view of the light bulb thereof; and,

FIG. 7 is a left side view of the light bulb thereof.

The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and form no part of the claimed design.