Portion of a display panel with graphical user interface

FIG. 1 is a front view of a portion of a display panel with graphical user interface showing our new design;

FIG. 2 is a front view of a portion of a display panel with graphical user interface, showing a second embodiment of our design;

FIG. 3 is a front view of a portion of a display panel with graphical user interface, showing a third embodiment of our design;

FIG. 4 is a front view of the embodiment of our design depicted in FIG. 2 , but with fewer environmental features as those depicted in FIG. 2 ; and,

FIG. 5 is a front view of the embodiment of our design depicted in FIG. 3 , but with fewer environmental features as those depicted in FIG. 3 .

The outermost broken line shows a portion of a display screen and form no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface that form no part of the claimed design.