The ornamental design for a portion of a displaypanel with changeable user interface, as shown and described.
FIG. 1 is a front view of a portion of a display panel with changeable graphical user interface showing a first image in a sequence according to an embodiment of our new design;
FIG. 2 is a front view of a second image in the sequence of the embodiment;
FIG. 3 is a front view of a third image in the sequence of the embodiment; and,
FIG. 4 is a front view of a fourth image thereof in the sequence of the embodiment.
The subject matter in this patent includes a process or period in which an image changes into another image. This process or period forms no part of the claimed design.
The outermost dash-dash broken line illustrates the display panel of a communications terminal and forms no part of the claimed design. All other dash-dash broken lines illustrate text, borders, and portions of the changeable graphical user interface and form no part of the claimed design.