1 . A connecting assembly for a flexible display screen, the connecting assembly comprising: a plurality of link members; a hanging-hole-shaped fixing structure having openings configured to hole the plurality of link members; a first shaft and a second shaft coupled to the plurality of link members; and a first fixing member and a second fixing member for coupling to a first display region and a second display region of the flexible display screen respectively, the first and the second fixing members being further coupled to the first shaft and the second shaft respectively, wherein the openings of the hanging-hole-shaped fixing structure are movable to arrange the plurality of link members at different distances from each other, in order to bend the flexible display screen upon a force being exerted on the flexible display screen to cause a relative motion between the first and second display regions of the flexible display screen.
2 . The connecting assembly according to claim 1 , wherein the hanging-hole-shaped fixing structure includes two or more sets of hanging-hole structure, each of the two or more sets of hanging-hole structure including a plurality of openings, and wherein the two or more sets of hanging-hole structure are aligned to allow the plurality of link members to pass through the plurality of the openings of each of the two or more sets of hanging-hole structure to form a plate-like structure.
3 . The connecting assembly according to claim 1 , wherein the hanging-hole-shaped fixing structure includes an elastic material layer, and a middle display region of the flexible display screen lies over the elastic material layer, the first display region and the second display region being located on two sides of the middle display region.
4 . The connecting assembly according to claim 1 , further comprising: one or more shaft sleeves configured to wrap the first shaft and the second shaft to allow generation of a torque when the first shaft and the second shaft rotate within the one or more shaft sleeves; the first shaft is in parallel with the second shaft; and the first fixing member is sleeved on one end of the first shaft, and the second fixing member is sleeved on one end of the second shaft.
5 . The connecting assembly according to claim 4 , wherein one of the one or more shaft sleeves is fixedly connected with the hanging-hole-shaped fixing structure.
6 . The connecting assembly according to claim 4 , further comprising: a first synchronization structure connecting the first shaft with the first fixing member; and a second synchronization structure connecting the second shaft with the second fixing member, wherein the first synchronization structure and the second synchronization structure work together to allow the first shaft and the second shaft in the shaft set to synchronously rotate.
7 . A flexible display screen, comprising: a first display region and a second display region; and a connecting assembly including: a plurality of link members; a hanging-hole-shaped fixing structure having openings configured to hole the plurality of link members; a first shaft and a second shaft coupled to the plurality of link members; and a first fixing member and a second fixing member for coupling to the first display region and the second display region respectively, the first and the second fixing members being further coupled to the first shaft and the second shaft respectively, wherein the openings of the hanging-hole-shaped fixing structure are movable to arrange the plurality of link members at different distances from each other, in order to bend the flexible display screen upon a force being exerted on the flexible display screen to cause a relative motion between the first and second display regions of the flexible display screen.
8 . The flexible display screen according to claim 7 , wherein the hanging-hole-shaped fixing structure includes two or more sets of hanging-hole structure, each of the two or more sets of hanging-hole structure including a plurality of openings, and wherein the two or more sets of hanging-hole structure are aligned to allow the plurality of link members to pass through the plurality of the openings of each of the two or more sets of hanging-hole structure to form a plate-like structure.
9 . The flexible display screen according to claim 7 , wherein the hanging-hole-shaped fixing structure includes an elastic material layer, and a middle display region of the flexible display screen lies over the elastic material layer, the first display region and the second display region being located on two sides of the middle display region.
10 . The flexible display screen according to claim 7 , further comprising a substrate placed under a part of one of the first display region and the second display region to improve hardness of the one of the first display region and the second display region with the substrate.
11 . A flexible electronic device, comprising: a flexible display screen including: a first display region and a second display region; and a connecting assembly including: a plurality of link members; a hanging-hole-shaped fixing structure having openings configured to hole the plurality of link members; a first shaft and a second shaft coupled to the plurality of link members; and a first fixing member and a second fixing member for coupling to the first display region and the second display region of the flexible display screen respectively, the first and the second fixing members being further coupled to the first shaft and the second shaft respectively, wherein the openings of the hanging-hole-shaped fixing structure are movable to arrange the plurality of link members at different distances from each other, in order to bend the flexible display screen upon a force being exerted on the flexible display screen to cause a relative motion between the first and second display regions of the flexible display screen.
12 . The flexible electronic device according to claim 11 , wherein the hanging-hole-shaped fixing structure includes two or more sets of hanging-hole structure, each of the two or more sets of hanging-hole structure including a plurality of openings, and wherein the two or more sets of hanging-hole structure are aligned to allow the plurality of link members to pass through the plurality of the openings of each of the two or more sets of hanging-hole structure to form a plate-like structure.
13 . The flexible electronic device according to claim 11 , wherein the hanging-hole-shaped fixing structure includes an elastic material layer, and a middle display region of the flexible display screen lies over the elastic material layer, the first display region and the second display region being located on two sides of the middle display region.
14 . The flexible electronic device according to claim 11 , further comprising: a substrate placed under a part of one of the first display region and the second display region to improve hardness of the one of the first display region and the second display region with the substrate.
15 . The flexible electronic device according to claim 14 , further comprising: a first protective cover and one or more second protective covers, wherein: the first protective cover is configured to cover the connecting assembly of the flexible display screen; the one or more second protective covers are configured to cover one or more components-occupying areas corresponding to the first display region and the second display region of the flexible display screen to protect the one or more component-occupying areas; and the first protective cover is connected with the one or more second protective covers through a slidable structure to allow an adjustment of extension of the one or more second protective covers when the hanging-hole-shaped fixing structure of the flexible electronic device is being bent.
