The ornamental design for a displaypanel with an animated graphical user interface, as shown and described.
FIG. 1 is a front view of a first image of a display panel with an animated graphical user interface showing our new design;
FIG. 2 is a second image thereof;
FIG. 3 is a third image thereof;
FIG. 4 is a fourth image thereof; and,
FIG. 5 is a fifth image thereof.
The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 to 5.
The process or period in which an image transitions to another forms no part of the claimed design.
The broken lines shown in the drawings represent a display panel and form no part of the claimed design. The broken lines represent portions of the graphical user interface and form no part of the claimed design.