a stereo camera configured to detect infrared light; a self-luminous display comprising a plurality of visible light pixels configured to output visible light corresponding to a virtual object image and a plurality of infrared pixels configured to output infrared light;

an optical waveguide configured to output the virtual object image by adjusting a path of the visible light;

a transparent cover disposed on the self-luminous display, the transparent cover comprising at least one birefringent plate, at least one liquid crystal element comprising a liquid crystal, and a polarizer;

a first control circuit configured to supply driving power and a control signal to the self-luminous display; and

a second control circuit configured to supply driving power and a control signal to the stereo camera,

wherein the optical waveguide comprises a half mirror configured to output reflected infrared light and transmitted infrared light in response to the output infrared light;

wherein the optical waveguide is disposed on the transparent cover, the first control circuit is configured to supply driving power and a control signal to the at least one liquid crystal element, and the transparent cover is configured to output a plurality of adjusted image corresponding to the virtual object image by adjusting a position of the virtual light at different timings, in different directions, and that are synchronized with each other to provide an interpolated image.