The ornamental design for backpack with electronic LED structure, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a perspective front view of the backpack with electronic LED structure showing the new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a perspective rear view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a perspective top view thereof;
FIG. 9 is a view when the LEDs are on thereof; and,
FIG. 10 is another view when the LEDs are on thereof.
The bottom of the article is not shown in the drawing and forms no part of the claim.