Display device capable of realizing viewpoint switching, and display method and manufacturing method thereof

The invention discloses a display device capable of realizing viewpoint switching, and a display method and a manufacturing method thereof, and belongs to the field of display technology. The displaydevice comprises a display module and a guest-host effect box, which are relatively arranged, a display medium layer of the guest-host effect box comprises selective light transmitting areas and lighttransmitting areas, which are alternately arranged along a first direction, the selective light transmitting area comprises a plurality of negative liquid crystal molecules and a plurality of dichroic dye molecules, each selective light transmitting area comprises a light transmission mode and a light absorption mode, and in the light transmission mode, the display mode of the display device is awide viewing angle mode; and in the light absorption mode, the display mode of the display device is a narrow viewing angle mode. The display method comprises the wide viewing angle mode and the narrow viewing angle mode. The