Portion of a display panel with a graphical user interface

[0001]FIG. 1 is a front view of a portion of a display panel with a graphical user interface showing a first image of a sequence of my new design.

[0002]FIG. 2 is a front view of a portion of a display panel with a graphical user interface showing a second image of a sequence of my new design; and,

[0003]FIG. 3 is a front view of a portion of a display panel with a graphical user interface showing a third image of a sequence of my new design.

[0004]The four bold round dashes near the top left of FIG. 1 show a graphical user interface element and form part of the claimed design. The remaining broken lines including the thin dashed showing of a portion of a display panel, text, zig-zags and other graphical user interface elements are included for the purpose of illustrating portions of the article and form no part of the claimed design.

[0005]The appearance of the transitional image sequentially transitions between the images shown in FIGS. 1-3. The process or period in which one image transitions to another image forms no part of the claimed design.