Display panel or portion thereof with a transitional mixed reality graphical user interface

FIG. 1 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of a first embodiment;

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 third image in the sequence of the first embodiment;

FIG. 4 is a front view of a display panel or portion therof with a transitional mixed reality graphical user interface showing a first image in a sequence of a second embodiment;

FIG. 5 is a front view of a second image in the sequence of the second embodiment;

FIG. 6 is a front view of a third image in the sequence of the second embodiment;

FIG. 7 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of a third embodiment;

FIG. 8 is a front view of a second image in the sequence of the third embodiment;

FIG. 9 is a front view of a third image in the sequence of the third embodiment;

FIG. 10 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of a fourth embodiment;

FIG. 11 is a front view of a second image in the sequence of the fourth embodiment;

FIG. 12 is a front view of a third image in the sequence of the fourth embodiment;

FIG. 13 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of a fifth embodiment;

FIG. 14 is a front view of a second image in the sequence of the fifth embodiment;

FIG. 15 is a front view of a third image in the sequence of the fifth embodiment;

FIG. 16 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of a sixth embodiment;

FIG. 17 is a front view of a second image in the sequence of the sixth embodiment;

FIG. 18 is a front view of a third image in the sequence of the sixth embodiment;

FIG. 19 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of a seventh embodiment;

FIG. 20 is a front view of a second image in the sequence of the seventh embodiment;

FIG. 21 is a front view of a third image in the sequence of the seventh embodiment;

FIG. 22 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of an eighth embodiment;

FIG. 23 is a front view of a second image in the sequence of the eighth embodiment;

FIG. 24 is a front view of a third image in the sequence of the eighth embodiment;

FIG. 25 is a front view of a display panel or portion thereof with a transitional mixed reality graphical user interface showing a first image in a sequence of a ninth embodiment;

FIG. 26 is a front view of a second image in the sequence of the ninth embodiment;

FIG. 27 is a front view of a third image in the sequence of the ninth embodiment;

FIG. 28 is a front view of a display panel or portion thereof with a mixed reality graphical user interface, showing the design of the fifth embodiment in a different broken line environment;

FIG. 29 is a front view of a second image in the sequence thereof; and,

FIG. 30 is a front view of a third image in the sequence thereof.

The appearance of the image sequentially transitions between the images shown in FIGS. 1-3 ; FIGS. 4-6 ; FIGS. 7-9 ; FIGS. 10-12 ; FIGS. 13-15 ; FIGS. 16-18 ; FIGS. 19-21 ; FIGS. 22-24 ; FIGS. 25-27 ; and FIGS. 28-30 . The process or period in which one image transitions into another forms no part of the claimed design.

The outermost broken line rectangle illustrates a display panel or portion thereof that forms no part of the claimed design. The remaining broken lines illustrate portions of the graphical user interface or a mixed reality environment, and form no part of the claimed design.