| abstract |
In the present invention, a flexible display is applied, and a variable space in the shape of a cylinder or prism of an empty space is formed in the central part in the folded state, and a corresponding cylindrical or prismatic shape is formed on the outer circumferential surface, and the variable space is opened when the flat unfolding state is switched. As a disappearing foldable image display device, it is a foldable image display device capable of three-dimensional fingerprint authentication, vein authentication, air quality inspection, detection site comparison scan inspection, and ultrasonic scan inspection by utilizing the features of space formation. |