An electronic device, comprising: a first device housing and a second device housing ; a hinge coupling the first device housing to the second device housing , the first device housing pivotable about the hinge relative to the second device housing , the hinge separating a first chamber defined by the first device housing and a second chamber defined by the second device housing ; a flexible substrate passing through the first chamber and the second chamber and spanning the hinge , the flexible substrate including both conductive and insulative layers and functioning as a printed wiring board; a flexible display coupled to the first device housing and the second device housing and spanning the hinge , the flexible display spanning a first side of the hinge and the flexible substrate spanning a second side of the hinge ; a first display support plate pivotally coupled to a first side of the hinge and extending distally into the first chamber from the first side of the hinge ; and a second display support plate pivotally coupled to a second side of the hinge and extending distally into the second chamber from the second side of the hinge ; wherein the flexible substrate configured to deform to a deformed state within one or both of the first chamber or the second chamber when the first device housing and the second device housing pivot about the hinge from a closed position to an axially displaced open position; and each of the first chamber and the second chamber defines an inclined plane , wherein a distal end of each of the first support plate and the second support plate is configured to travel along the inclined plane between a first position within the first chamber and the second chamber , respectively, to a second position within the first chamber and the second chamber , respectively, when the first device housing and the second device housing pivot about the hinge from the axially displaced open position to the closed position. a first device housing and a second device housing ; a hinge coupling the first device housing to the second device housing , the first device housing pivotable about the hinge relative to the second device housing , the hinge separating a first chamber defined by the first device housing and a second chamber defined by the second device housing ; a flexible substrate passing through the first chamber and the second chamber and spanning the hinge , the flexible substrate including both conductive and insulative layers and functioning as a printed wiring board; a flexible display coupled to the first device housing and the second device housing and spanning the hinge , the flexible display spanning a first side of the hinge and the flexible substrate spanning a second side of the hinge ; a first display support plate pivotally coupled to a first side of the hinge and extending distally into the first chamber from the first side of the hinge ; and a second display support plate pivotally coupled to a second side of the hinge and extending distally into the second chamber from the second side of the hinge ; wherein the flexible substrate configured to deform to a deformed state within one or both of the first chamber or the second chamber when the first device housing and the second device housing pivot about the hinge from a closed position to an axially displaced open position; and each of the first chamber and the second chamber defines an inclined plane , wherein a distal end of each of the first support plate and the second support plate is configured to travel along the inclined plane between a first position within the first chamber and the second chamber , respectively, to a second position within the first chamber and the second chamber , respectively, when the first device housing and the second device housing pivot about the hinge from the axially displaced open position to the closed position. <EOS>