FIG. 1 is a front view of a first image of a display panel with transitional graphical user interface showing our new design:
FIG. 2 is a front view of a second image thereof;
FIG. 3 is a front view of a third image thereof;
FIG. 4 is a front view of a fourth image thereof;
FIG. 5 is a front view of a fifth image thereof;
FIG. 6 is a front view of a sixth image thereof;
FIG. 7 is a front view of a seventh image thereof;
FIG. 8 is a front view of an eighth image thereof;
FIG. 9 is a front view of a ninth image thereof; and,
FIG. 10 is a front view of a tenth image thereof.
The broken lines shown in the figures represent portions of the display panel with transitional graphical user interface that form no part of the claimed design.
The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1 through 10. The process or period in which one image transitions to another forms no part of the claimed design.