Soft display device

The invention relates to a flexible display device which comprises a flexible display panel and a flexible circuit board. The flexible display panel comprises a display body and a peripheral circuit, the peripheral circuit is connected to the edge of the display body and the flexible circuit board is connected with the peripheral circuit. The flexible circuit board comprises a first part and a second part, the first part is connected between the peripheral circuit and the second part, and the thickness of the first part is less than that of the second part. In addition, the invention also provides another flexible display device which comprises a flexible display panel, a flexible circuit board and a frame group, wherein the flexible display panel comprises a display body and a peripheral circuit, and the peripheral circuit is connected to the edge of the display body; the flexible circuit board is connected with the peripheral circuit, and the flexible circuit board is provided with a positioning hole; the frame group comprises a first frame and a second frame, the first frame supports the flexible display panel, the second frame is assembled with the fist frame to cover the peripheral circuit and expose the display body, and the frame group is provided with a positioning unit suitable to pass through the positioning hole.