An electronic device (500, 600), comprising: a housing including a recess; a flexible display panel (512, 620, 720, 1020) comprising a first region and a second region, wherein the second region forms an edge of the flexible display panel and a portion of the second region is curved or bent; a display panel support member (513, 631, 633, 730, 1030) disposed in the recess, the display panel support member (513, 631, 633, 730, 1030) having a first major surface and a second major surface, said first major surface being disposed opposite to and on a first surface of the flexible display panel, supporting the flexible display panel; and a flexible polymer layer (510, 610, 710, 1010) comprising a first portion covering the first region and the second region, and a second portion extending from the first portion; wherein: the display panel support member (513, 631, 633, 730, 1030) is configured to have a shape either such that a space exists between the flexible display panel and the first major surface of the display panel support member, and the second portion of the flexible polymer layer has been bent around the edge of the flexible display panel and inserted into and attached within the space so as to enclose the edge of the flexible display panel; or such that the second portion of the flexible polymer layer is bent around the edge of the flexible display panel and the display panel support member and is partially attached to the second major surface of the display panel support member so as to enclose the edge of the flexible display panel and the display panel support member, and the flexible polymer layer is configured to prevent the spring back phenomenon of the flexible display panel (512, 620). a housing including a recess; a flexible display panel (512, 620, 720, 1020) comprising a first region and a second region, wherein the second region forms an edge of the flexible display panel and a portion of the second region is curved or bent; a display panel support member (513, 631, 633, 730, 1030) disposed in the recess, the display panel support member (513, 631, 633, 730, 1030) having a first major surface and a second major surface, said first major surface being disposed opposite to and on a first surface of the flexible display panel, supporting the flexible display panel; and a flexible polymer layer (510, 610, 710, 1010) comprising a first portion covering the first region and the second region, and a second portion extending from the first portion; the display panel support member (513, 631, 633, 730, 1030) is configured to have a shape either such that a space exists between the flexible display panel and the first major surface of the display panel support member, and the second portion of the flexible polymer layer has been bent around the edge of the flexible display panel and inserted into and attached within the space so as to enclose the edge of the flexible display panel; or such that the second portion of the flexible polymer layer is bent around the edge of the flexible display panel and the display panel support member and is partially attached to the second major surface of the display panel support member so as to enclose the edge of the flexible display panel and the display panel support member, and the flexible polymer layer is configured to prevent the spring back phenomenon of the flexible display panel (512, 620).