1. An electronic device, comprising:a housing having a first surface with a transparent window and an opposing second surface;
a roller between the first and second surfaces;
a flexible display coupled to the roller, wherein the flexible display is configured to move from an unrolled state to a rolled state as it is wrapped around the roller, wherein the flexible display has an array of pixels, wherein a portion of the array of pixels is overlapped by and at least partly visible through the transparent window in the rolled state, and wherein the portion of the array of pixels is not overlapped by the transparent window in the unrolled state; and
elongated bistable support members that are configured to wrap around the roller when the flexible display is stored on the roller.