FIG. 1 is a front view of a display panel or portion thereof with a transitional graphical user interface, showing a first image in a sequence of a first embodiment of a new design;
FIG. 2 is a second image thereof;
FIG. 3 is a third image thereof;
FIG. 4 is a fourth image thereof;
FIG. 5 is a fifth image thereof;
FIG. 6 is a front view of a display panel or portion thereof with a transitional graphical user interface, showing a first image in the sequence of a second embodiment of the new design;
FIG. 7 is a second image thereof;
FIG. 8 is a third image thereof;
FIG. 9 is a fourth image thereof; and,
FIG. 10 is a fifth image thereof.
The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-5 and 6-10. The process or period in which one image transitions to another image forms no part of the claimed design.
The broken lines depicting a display panel or portion thereof are included for the purpose of illustrating portions of the article of manufacture and form no part of the claimed design.