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 (704, 705), wherein a distal end (802, 803) of each of the first support plate and the second support plate is configured to travel along the inclined plane (704, 705) 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 (704, 705), wherein a distal end (802, 803) of each of the first support plate and the second support plate is configured to travel along the inclined plane (704, 705) 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.