A portable electronic device comprising: a first component coupled to a second component by a pivot member that extends through a first hinge knuckle of the first component and a pair of second hinge knuckles of the second component, the second hinge knuckles 184 being located on either side of the first hinge knuckle 182 and aligned therewith to receive the pivot member; and the first and second components being movable relative to one another between an open position in which the first component and the second component are in the same plane and a folded position; the first component having first and second ends and comprising first guide arms extending from said ends of the first component toward an axis of the pivot member; the second component having a first and second end and comprising second guide arms extending from said ends of the second component toward the axis of the pivot member; wherein the first guide arms are located outside of the second guide arms and coupled thereto; a first slider comprising an inner pair of connecting arms and an outer pair of connecting arms, the first slider defining a first cavity for slidably receiving the first component, the inner pair of connecting arms being coupled to and movable relative to the second guide arms of the second component; a second slider comprising a pair of connecting arms and defining a second cavity for slidably receiving the second component, the pair of connecting arms of the second slider coupled to and movable relative to the first guide arms of the first component when the electronic device 10 is moved between the open position and the folded position; and a flexible membrane coupled to the first slider and the second slider, the flexible membrane being exposed in the folded position, wherein the flexible member is a flexible display screen. a first component coupled to a second component by a pivot member that extends through a first hinge knuckle of the first component and a pair of second hinge knuckles of the second component, the second hinge knuckles 184 being located on either side of the first hinge knuckle 182 and aligned therewith to receive the pivot member; and the first and second components being movable relative to one another between an open position in which the first component and the second component are in the same plane and a folded position; the first component having first and second ends and comprising first guide arms extending from said ends of the first component toward an axis of the pivot member; the second component having a first and second end and comprising second guide arms extending from said ends of the second component toward the axis of the pivot member; wherein the first guide arms are located outside of the second guide arms and coupled thereto; a first slider comprising an inner pair of connecting arms and an outer pair of connecting arms, the first slider defining a first cavity for slidably receiving the first component, the inner pair of connecting arms being coupled to and movable relative to the second guide arms of the second component; a second slider comprising a pair of connecting arms and defining a second cavity for slidably receiving the second component, the pair of connecting arms of the second slider coupled to and movable relative to the first guide arms of the first component when the electronic device 10 is moved between the open position and the folded position; and a flexible membrane coupled to the first slider and the second slider, the flexible membrane being exposed in the folded position, wherein the flexible member is a flexible display screen.