US Patent 10140018 Flexible device

A flexible device is provided. The flexible device includes a main body, a flexible display fixed to a first face of the main body, an auxiliary display disposed on a first region of a second face of the main body that is opposite to the first face, and a cover coupled to the second face to be movable while facing the second face of the main body. The cover is configured to have an area to cover the whole of the second face of the main body, and to be moved when the main body is curved, bent, or folded. The auxiliary display is closed by the cover in a state where the flexible device is unfolded, and the auxiliary display is opened in a state where the flexible device is folded.