The ornamental design for a displaypanelportion with transitional graphical user interface component, as shown and described.
FIG. 1 is a front view of a display panel portion with transitional graphical user interface component showing a first image in a sequence according to a first embodiment of our new design;
FIG. 2 is a front view of a second image in the sequence of the first embodiment;
FIG. 3 is a front view of a display panel portion with transitional graphical user interface component showing a first image in a sequence according to a second embodiment of our new design; and,
FIG. 4 is a front view of a second image in the sequence of the second embodiment.
The subject matter in this patent includes a process or period during which a user interface component sequentially transitions between images shown in the respective embodiments. This process or period in which one image transitions into another forms no part of the claimed design.
The broken lines showing the display panel portion, portions of the graphical user interface, and text form no part of the claimed design.