Foldable Display

1 - 18 . (canceled)

19 . A foldable electronic device, comprising:

a display device moveable from an unfolded configuration to a folded configuration in which said display device folds along a fold axis;

a first display on a front side of said display device, and a second display on a rear side of said display device, said front side being substantially opposite to said rear side;

a force sensing device positioned on said fold axis of said display device, said force sensing device being responsive to a mechanical interaction, including a finger press from a user, and configured to provide positional (x, y) and extent (z) properties of said mechanical interaction;

said force sensing device is further configured to provide a first control signal configured to control said first display or a second control signal configured to control said second display;

said first control signal is provided from said force sensing device in response to said mechanical interaction when said display device is in said unfolded configuration; and

said second control signal is provided from said force sensing device in response to said mechanical interaction when said display device is in said folded configuration.

20 . A foldable electronic device according to claim 19 , wherein said first display is inward-folding relative to said second display and said second display is outward-folding relative to said first display.

21 . A foldable electronic device according to claim 19 , wherein said force sensing device is positioned on said front side.

22 . A foldable electronic device according to claim 19 , wherein said force sensing device is positioned on said rear side.

23 . A foldable electronic device according to claim 19 , further comprising a further force sensing device, wherein said further force sensing device is positioned on at least one edge of said surface.

24 . A foldable electronic device according to claim 19 , further comprising a plurality of force sensing devices.

25 . A foldable electronic device according to claim 19 , wherein said foldable electronic device is a mobile telephone.

26 . A foldable electronic device according to claim 19 , wherein said force sensing device comprises a quantum tunneling material.

27 . A foldable electronic device according to claim 19 , wherein said force sensing device comprises a matrix sensor comprising a plurality of rows and a plurality of columns.

28 . A foldable electronic device according to claim 19 , wherein said force sensing device comprises a single point sensor.

29 . A method of manufacturing a foldable electronic device, comprising the steps of:

providing a force sensing device responsive to a mechanical interaction, including a finger press from a user, said force sensing device being further configured to provide positional (x, y) and extent (z) properties of said mechanical interaction;

providing a display device configured to move from an unfolded configuration to a folded configuration along a fold axis, said display device having a first display on a front side of said display device, and a second display on a rear side of said display device, said front side being substantially opposite to said rear side;

attaching said force sensing device to said display device; wherein:

said step of attaching comprises positioning said force sensing device on said fold axis of said display device;

configuring said force sensing device to provide a first control signal configured to control said first display or a second control signal configured to control said second display;

configuring said first control signal to be provided from said force sensing device in response to said mechanical interaction when said display device is in said unfolded configuration; and

configuring said second control signal to be provided from said force sensing device in response to said mechanical interaction when said display device is in said folded configuration.

30 . A method of manufacturing according to claim 29 , wherein said step of attaching comprises attaching said force sensing device to an outer surface of said display device.

31 . A method of determining a mechanical interaction in a foldable electronic device, said foldable electronic device comprising a display device and a force sensing device on a surface of said display device, said display device comprising a first display on a front side of said display device, and a second display on a rear side of said display device, said front side being substantially opposite to said rear side;

said method comprising the steps of:

folding said display device along a fold axis such that said display device moves from an unfolded configuration to a folded configuration;

applying a mechanical interaction, including a finger press from a user, to said force sensing device positioned on said fold axis;

calculating positional (x, y) and extent (z) properties of said mechanical interaction by said force sensing device;

providing a first control signal from said force sensing device in response to said mechanical interaction when said display device is in said unfolded configuration to control said first display; and

providing a second control signal from said force sensing device in response to said mechanical interaction when said display device is in said folded configuration to control said second display.