Rolling display arrangement for electronic device

1 . A rolling display arrangement for an electronic device, wherein the rolling display arrangement comprises:

a display;

a shaft; and

at least one transmission module comprising:

a drive belt comprising a first portion and a second portion;

a transmission gear arrangement driving the drive belt;

a first display clamp arranged on the first portion and configured to move in a first linear direction; and

a second display clamp arranged on the second portion and configured to move in a second linear direction, wherein the second linear direction is opposite and parallel to the first linear direction,

wherein the at least one transmission module is configured to transfer rotational movement of the shaft and the transmission module to linear movement of the display,

wherein the display comprises:

a flexible display; and

a display support comprising a first rigid part, a second rigid part, and a flexible part arranged between the first rigid part and the second rigid part,

wherein the flexible part partially encloses the shaft,

wherein the shaft comprises a drive shaft and a drive shaft gear,

wherein the at least one transmission module is interconnected with the first rigid part and the second rigid part of the display, and with the drive shaft gear of the shaft,

wherein the first display clamp is interconnected with the first rigid part of the display support, and

wherein the second display clamp is interconnected with the second rigid part of the display support.

2 . The rolling display arrangement of claim 1 , wherein the drive belt is arranged between the first rigid part and the second rigid part of the display support.

3 . The rolling display arrangement of claim 1 , wherein the transmission gear arrangement comprises:

a drive belt gear driving the drive belt; and

a synchronizing gear meshing with the drive shaft gear of the shaft; shaft,

wherein the drive belt gear and the synchronizing gear share a first center axis.

4 . The rolling display arrangement of claim 1 , wherein the first display clamp and the second display clamp of the at least one transmission module each comprise a protrusion extending from the drive belt, and wherein the first rigid part and the second rigid part of the display support each comprises a recess for accommodating the protrusion.

5 . The rolling display arrangement of claim 1 , wherein the shaft further comprises:

a freely rotatable outer shaft; and

a stationary center shaft,

wherein the outer shaft, the drive shaft, and the center shaft share a second center axis,

wherein the drive shaft is arranged between the outer shaft and the center shaft, and

wherein the outer shaft is in abutment with the flexible part of the display support.

6 . The rolling display arrangement of claim 5 , wherein the outer shaft is configured to rotate in response to the linear movement of the display.

7 . The rolling display arrangement of claim 5 , wherein the outer shaft comprises a helix-shaped cut extending through a wall of the outer shaft in a direction of the second center axis.

8 . The rolling display arrangement of claim 1 , wherein counterclockwise rotational movement of the drive shaft is transferred to linear movement of the first rigid part in a first direction and linear movement of the second rigid part in a second direction, wherein the second direction being opposite to the first direction, and wherein clockwise rotational movement of the drive shaft is transferred to linear movement of the first rigid part in the second direction and linear movement of the second rigid part in the first direction.

9 . The rolling display arrangement of claim 1 , wherein the linear movement of the display is perpendicular to a second center axis.

10 . The rolling display arrangement of claim 1 , wherein the rolling display arrangement further comprises an electric motor, wherein a motor gear of the electric motor meshes with a synchronizing gear of the at least one transmission module, and wherein the electric motor effectuates the rotational movement of the shaft and the at least one transmission module.

11 . The rolling display arrangement of claim 1 , wherein the first display clamp and the second display clamp each comprises a protrusion extending from the drive belt, and wherein the first rigid part and the second rigid part each comprises a recess for accommodating the protrusion.

12 . An electronic device, comprising:

a chassis;

two end caps arranged at opposite short sides of the chassis; and

a rolling display arrangement partially enclosing the chassis and interlocked with the chassis via the end caps, wherein the rolling display arrangement comprises:

a display comprising a flexible part;

a shaft extending adjacent a long side of the chassis between the end caps, wherein the shaft comprises a freely rotatable outer shaft and a drive shaft, wherein the outer shaft and the drive shaft share a second center axis, wherein the drive shaft is arranged inside the outer shaft, wherein the outer shaft is in abutment with the flexible part, and wherein the outer shaft comprises a helix-shaped cut extending through a wall of the outer shaft in a direction of the second center axis; and

at least one transmission module configured to transfer rotational movement of the shaft and the at least one transmission module to linear movement of the display,

wherein each transmission module of the rolling display arrangement extends between a short side of the chassis and a respective end cap.

13 . The electronic device of claim 12 , wherein the display further comprises:

a first rigid part extending adjacent a first main side of the chassis, and

a second rigid part extending adjacent a second, opposite main side of the chassis, wherein the first main side is opposite the second main side, and

wherein the flexible part extends from the first main side to the second main side.

14 . The electronic device of claim 12 , further comprising a spring disposed between a first main side of the chassis and the display, wherein the spring comprises;

a spring support, and

a tension spring comprising:

a first end connected to the spring support and adjacent the end caps; and

a second end connected to a first rigid part of the display, and wherein the second end is movable in a first direction and in a second direction of linear movement along with the first rigid part.

15 . The electronic device of claim 12 , wherein the end caps are releasably interconnected with a stationary center shaft of the shaft.

16 . The electronic device of claim 12 , wherein the rolling display arrangement is configurable to be in a retracted position or an extended position,

wherein based on the rolling display arrangement being in the retracted position, the display covers a first main side of the chassis and the display covers a part of a second main side of the chassis, wherein the second main side is opposite to the first main side of the chassis, and

wherein based on the rolling display arrangement being in the extended position, the display protrudes past the first main side of the chassis and the display covers a part of the second main side of the chassis which is smaller than the part of the second main side of the chassis covered by the display in the retracted position.

17 . The electronic device of claim 16 , wherein, in the retracted position, the first main side of the chassis is fully covered by a first rigid part of the display and the second main side of the chassis is substantially covered by a combination of the second rigid part of the display and a part of the flexible part of the display, and wherein, in the extended position, the first main side of the chassis is fully covered by the first rigid part of the display and a part of the flexible part of the display and the second main side of the chassis is partially covered by the second rigid part of the display.

18 . The electronic device of claim 16 , wherein the rolling display arrangement is movable to the extended position based on counterclockwise rotational movement of the drive shaft being transferred to linear movement of a first rigid part of the display in a first direction and to linear movement of a second rigid part of the display in a second direction, wherein the first direction is opposite the second direction, and

wherein the rolling display arrangement is movable to the retracted position based on clockwise rotational movement of the drive shaft being transferred to linear movement of the first rigid part of the display in the second direction and to linear movement of the second rigid part of the display in the first direction.

19 . The electronic device of claim 13 , wherein each of the end caps comprises a groove, and wherein the display further comprises:

a first reinforcement bar disposed on a first edge of the display and configured to traverse along the groove of a corresponding end cap; and

a second reinforcement bar disposed on a second edge of the display and configured to traverse along the groove of a corresponding end cap.

20 . A rolling display arrangement for an electronic device, wherein the rolling display arrangement comprises:

a display;

a shaft comprising a freely rotatable outer shaft; and

at least one transmission module configured to transfer rotational movement of the shaft and the transmission module to linear movement of the display,

wherein the display comprises:

a flexible display; and

a display support comprising a first rigid part, a second rigid part, and a flexible part arranged between the first rigid part and the second rigid part,

wherein the flexible part partially encloses the shaft, wherein the shaft comprises a drive shaft and a drive shaft gear, wherein the outer shaft and the drive shaft share a second center axis, wherein the drive shaft is arranged inside the outer shaft, wherein the outer shaft is in abutment with the flexible part of the display support, wherein the outer shaft comprises a helix-shaped cut extending through a wall of the outer shaft in a direction of the second center axis, and wherein the at least one transmission module is interconnected with the first rigid part and the second rigid part of the display, and with the drive shaft gear of the shaft.