Display Panel or Portion Thereof with Graphical User Interface

This patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

FIG. 1 is a front view of a display panel or portion thereof with graphical user interface according to a first embodiment of our new design;

FIG. 2 is front view of a second embodiment thereof; and,

FIG. 3 is a front view of a third embodiment thereof.

The dot-dash broken lines represent boundaries of the claimed design and form no part of the claimed design. All other broken lines in the drawings depict portions of a graphical user interface that form no part of the claimed design.