Patent ID: 7446757

Claim:
An input device including: a foldable keyboard including a first keyboard unit, a second keyboard unit, and a rotatable connecting part provided between the first and second keyboard units, so that the first and second keyboard units are rotated relative to a first axis to come apart from each other into an unfolded, horizontally arranged state through the connecting part for use of the keyboard, while the first and second keyboard units are rotated relative to the first axis to come close to each other into a closed, folded state through the connecting part for nonuse of the keyboard, and a foldable flexible display rotatably attached to one edge of the first or second keyboard unit in order to rotate relative to a second axis, the display being openable relative to a support point when the first and second keyboard units are in the horizontally arranged state and foldable relative to the support point when the first and second keyboard units are in the folded state, wherein the second axis and the support point are not at a same location, and wherein the flexible display includes: a first cover member rotatably attached to one edge of the first or second keyboard unit; a second cover member provided side by side with the first cover member along a long side of the opened keyboard in which the first and second keyboard units are horizontally arranged; a joint provided between the first and second cover members; and a linkage system integrally formed with the joint at both ends thereof, the linkage system including a pair of link parts which couples the first and second cover members; wherein the flexible display sheet is placed over the first cover member, the joint, and the second cover member, the second cover member being slidable and foldable through the linkage system with respect to the first cover member.