The ornamental design for a light emittingdevice, as shown and described.
FIG. 1 is a front perspective view of a light emitting device according to my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a back elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top side elevation view thereof; and,
FIG. 7 is a bottom plan view thereof.
The dash-dot-dash broken lines adjacent the shaded areas in FIGS. 3-5 and 7 represent the bounds of the claimed design while all other broken lines represent unclaimed portions of the article. The broken lines form no part of the claimed design.