Electronic device

1. An electronic device comprising:

a body including a plurality of segment members that are connected to each other to be rotatable, the body being configured to switch to a flat state or a bent state by rotation of the plurality of segment members;

a flexible display device supported by the body;

a return spring for maintaining the body in the bent state with an elastic force so that the body returns to the flat state;

a locking unit for locking the body at various bent states with different curvatures;

at least one processor configured to control the flexible display device, the at least one processor comprising a plurality of electric circuit devices electrically connected to each other via flexible electric connection members; and

a battery for supplying power to the at least one processor, the battery comprising a plurality of battery modules that are electrically connected to each other via flexible electric connection members,

wherein the locking unit locks the body at a bent state in which the flexible display device forms a convex display, and

wherein the body comprises an accommodation space for accommodating the at least one processor and the battery.

2. The electronic device of claim 1 , wherein the return spring includes an initial deformation amount when the body is in the flat state.

3. The electronic device of claim 1 , wherein the return spring comprises a hyper-elastic material.

4. The electronic device of claim 1 , wherein the accommodation space is formed by segment accommodation portions included in the plurality of segment members.

5. The electronic device of claim 1 , further comprising:

a plurality of connecting members,

wherein the plurality of connecting members sequentially connect the plurality of segment members to be rotatable.

6. An electronic device comprising:

a body including a plurality of segment members that are connected to each other to be rotatable, the body being configured to switch to a flat state or a bent state by rotation of the plurality of segment members;

a flexible display device supported by the body;

a return spring for maintaining the body in the bent state with an elastic force so that the body returns to the flat state; and

a locking unit for locking the body at various bent states with different curvatures,

wherein the locking unit comprises:

a wire having an end portion connected to a first end segment member that is located at an end from among the plurality of segment members, the wire penetrating through the plurality of segment members to extend to a second end segment member that is located at another end from among the plurality of segment members, and

a pulley provided on the second end segment member, the pulley being rotatable so that another end portion of the wire is connected thereto, and

wherein the locking unit selectively allows the pulley to rotate in a direction of unwinding the wire to lock the body at the various bent states.

7. The electronic device of claim 6 , wherein the locking unit further comprises:

a first elastic member for providing the pulley with an elastic force in a direction of winding up the wire;

a plurality of hooks provided on the pulley; and

a hook lever for switching between a locking position, on which the hook lever is hooked by the plurality of hooks to prevent the pulley from rotating in a direction of unwinding the wire, and an unlock position, on which the hook lever is released from the plurality of hooks.

8. The electronic device of claim 7 , wherein the plurality of hooks switches the hook lever to the unlock position when the pulley rotates in a direction of winding up the wire.

9. The electronic device of claim 8 , wherein the locking unit further comprises:

a second elastic member for providing the hook lever with an elastic force in a direction of locating the hook lever at the unlock position; and

a release button for switching the hook lever to the unlock position.

10. An electronic device comprising:

a body including a plurality of segment members that are connected to each other to be rotatable, the body being configured to switch to a flat state or a bent state by rotation of the plurality of segment members;

a flexible display device supported by the body;

a return spring for maintaining the body in the bent state with an elastic force so that the body returns to the flat state; and

a locking unit for locking the body at various bent states with different curvatures,

wherein the plurality of segment members comprises a first segment member, and a plurality of second segment members and a plurality of third segment members located at opposite sides of the first segment member, and

wherein at least one of a length and a width of the first segment member is greater than lengths or widths of the second and third segment members.

11. The electronic device of claim 10 , wherein the flexible display device is supported by the first segment member.

12. The electronic device of claim 10 , wherein the flexible display device comprises a first device, a second device, and a third device that are respectively supported by the first to third segment members.

13. An electronic device comprising:

a body including a plurality of segment members that are connected to each other to be rotatable, the body being configured to switch to a flat state or a bent state by rotation of the plurality of segment members;

a flexible display device supported by the body;

a return spring for maintaining the body in the bent state with an elastic force so that the body returns to the flat state; and

a locking unit for locking the body at various bent states with different curvatures,

wherein a first end segment member and a second end segment member, from among the plurality of segment members, are respectively located at opposite ends of the plurality of segment members, and

wherein the electronic device further comprises:

a first band and a second band for respectively connecting to the first end segment member and the second end segment member, and

a buckle for connecting the first band to the second band.

14. An electronic device comprising:

a body including a plurality of segment members that are connected to each other to be rotatable, the body being configured to switch to a flat state or a bent state by rotation of the plurality of segment members;

a flexible display device supported by the body;

a return spring for maintaining the body in the bent state with an elastic force so that the body returns to the flat state; and

a locking unit for locking the body at various bent states with different curvatures,

wherein a first end segment member and a second end segment member, from among the plurality of segment members, are respectively located at opposite ends of the plurality of segment members,

wherein the electronic device further comprises a plurality of elastic bands respectively connected to the first end segment member and the second end segment member, and

wherein the electronic device is elastically transformed.