A flexible array substrate has a main display area, and includes a flexible substrate and a plurality of signal connecting portions. The flexible substrate includes at least one bent portion extending from at least one side of the main display area. The plurality of signal connecting portions are disposed at a side of the at least one bent portion away from the main display area. A plurality of signal lines are disposed on a first surface of the flexible substrate in the main display area. The plurality of signal connecting portions are configured to electrically connect the plurality of signal lines to at least one driving circuit. The at least one bent portion is configured to bend toward a second surface of the flexible substrate opposite to the first surface.