A display device, comprising: a transparent display panel, configured to display an image; and a camera, configured to acquire an image of an object in front of the transparent display panel, wherein the camera is located behind the transparent display panel, and the object is imaged by the camera through the transparent display panel; whereby the transparent display panel is a single-sided display panel which displays the image at a front side thereof; the transparent display panel comprises a plurality of subpixel units arranged in an array form, and each of the subpixel units comprises a colorless transparent region and a light-emitting region which emits light at the front side of the transparent display panel; an area of the colorless transparent region is larger than an area of the light-emitting region; characterized in that the display device further comprises a second position adjustment component configured to move the camera; the second position adjustment component comprises: a first position detection unit, configured to acquire a position of a face of the object; a second position detection unit, configured to acquire a position of a face of a person which is displayed on the transparent display panel; and a position control unit, configured to move the camera based on the acquired position of the face of the object and the acquired position of the face of a person which is displayed on the transparent display panel, to make the face of the object, the face of the person which is displayed on the transparent display panel and the camera to be at an identical straight line. a transparent display panel, configured to display an image; and a camera, configured to acquire an image of an object in front of the transparent display panel, wherein the camera is located behind the transparent display panel, and the object is imaged by the camera through the transparent display panel; whereby the transparent display panel is a single-sided display panel which displays the image at a front side thereof; the transparent display panel comprises a plurality of subpixel units arranged in an array form, and each of the subpixel units comprises a colorless transparent region and a light-emitting region which emits light at the front side of the transparent display panel; an area of the colorless transparent region is larger than an area of the light-emitting region; characterized in that the display device further comprises a second position adjustment component configured to move the camera; the second position adjustment component comprises: a first position detection unit, configured to acquire a position of a face of the object; a second position detection unit, configured to acquire a position of a face of a person which is displayed on the transparent display panel; and a position control unit, configured to move the camera based on the acquired position of the face of the object and the acquired position of the face of a person which is displayed on the transparent display panel, to make the face of the object, the face of the person which is displayed on the transparent display panel and the camera to be at an identical straight line. a first position detection unit, configured to acquire a position of a face of the object; a second position detection unit, configured to acquire a position of a face of a person which is displayed on the transparent display panel; and a position control unit, configured to move the camera based on the acquired position of the face of the object and the acquired position of the face of a person which is displayed on the transparent display panel, to make the face of the object, the face of the person which is displayed on the transparent display panel and the camera to be at an identical straight line.