The ornamental design for the display furniture, as shown and described.
FIG. 1 is a rear perspective view of the display furniture with a rectangular swivel display and a swivel support table in a given, first position, showing our new design;
FIG. 2 is a rear perspective view thereof, showing the swivel display and the swivel support table in a position rotated relative to FIG. 1;
FIG. 3 is a right front perspective view thereof;
FIG. 4 is a right front perspective view thereof, seen from a slightly shallower angle; and,
FIG. 5 is a front perspective view thereon.
In the drawings, the broken lines show portions of the furniture, including a set of five speakers along the frame, a flat panel television set and controls. The broken line showings do not form a part of the claimed design.