Electronic device

Abstract

An electronic device includes a flexible substrate and a peripheral trace. The flexible substrate includes an active region and a peripheral region situated outside of the active region. The flexible substrate includes a first bending part, a second bending part and a first cutting structure in the peripheral region. The first bending part is disposed on a first side region of the peripheral region and extending along a first direction. The second bending part is disposed on a second side region of the peripheral region and extending along a second direction not parallel to the first direction, and the second side region is adjacent to the first side region. The first cutting structure is adjacent to the first bending part and the second bending part. The peripheral trace is disposed on the flexible substrate and disposed between the active region and the first cutting structure.

What is claimed is: 
     
         1 . An electronic device, comprising:
 a flexible substrate comprising an active region and a peripheral region situated outside of the active region, wherein the flexible substrate comprises:
 a first bending part in the peripheral region, the first bending part being disposed on a first side region of the peripheral region and extending along a first direction; 
 a second bending part in the peripheral region, the second bending part being disposed on a second side region of the peripheral region and extending along a second direction not parallel to the first direction, wherein the second side region is adjacent to the first side region; and 
 a first cutting structure in the peripheral region, wherein the first cutting structure is adjacent to the first bending part and the second bending part; and 
   a peripheral trace disposed on the flexible substrate and disposed between the active region and the first cutting structure.   
     
     
         2 . The electronic device of  claim 1 , wherein the first cutting structure comprises an endpoint, the first bending part is bended towards the active region according to a first extending line passing through the endpoint and parallel to the first direction, and the second bending part is bended towards the active region according a second extending line passing through the endpoint and parallel to the second direction. 
     
     
         3 . The electronic device of  claim 2 , wherein the active region comprises a first edge parallel to the first direction, the first edge faces the first bending part, and the first extending line is aligned with the first edge. 
     
     
         4 . The electronic device of  claim 3 , wherein the active region comprises a second edge, wherein the second edge is parallel to the second direction and adjacent to the first edge, the second edge faces the second bending part, and the second extending line is aligned with the second edge. 
     
     
         5 . The electronic device of  claim 2 , wherein the active region comprises a second edge parallel to the second direction, the second edge faces the second bending part, and a distance exists between the second extending line and the second edge. 
     
     
         6 . The electronic device of  claim 1 , wherein the first bending part and the second bending part are staggered in the second direction when the flexible substrate is not bended. 
     
     
         7 . The electronic device of  claim 1 , wherein the first bending part comprises a corner portion, and the first cutting structure is situated between the corner portion and the second bending part when the flexible substrate is not bended. 
     
     
         8 . The electronic device of  claim 7 , wherein when the first bending part and the second bending part are bended, the corner portion is bended, and the corner portion overlaps the second bending part and other portion of the first bending part in a top view direction. 
     
     
         9 . The electronic device of  claim 7 , wherein the corner portion has a label or a mark. 
     
     
         10 . The electronic device of  claim 1 , wherein the first cutting structure comprises a cutting line. 
     
     
         11 . The electronic device of  claim 10 , wherein the first cutting structure is formed by cutting a plurality of holes. 
     
     
         12 . The electronic device of  claim 11 , wherein the plurality of holes are arranged linearly. 
     
     
         13 . The electronic device of  claim 1 , wherein a top view shape of the first cutting structure is a sector, a triangle, a rectangle, a polygon or a shape having a curved edge. 
     
     
         14 . The electronic device of  claim 1 , wherein the flexible substrate further comprises a second cutting structure, a third cutting structure and a fourth cutting structure in the peripheral region, the flexible substrate further comprises a third bending part and a fourth bending part, the second cutting structure is adjacent to the second bending part and the third bending part, the third cutting structure is adjacent to the third bending part and the fourth bending part, and the fourth cutting structure is adjacent to the fourth bending part and the first bending part. 
     
     
         15 . The electronic device of  claim 14 , wherein the first cutting structure corresponds to the fourth cutting structure in the first direction. 
     
     
         16 . The electronic device of  claim 14 , wherein the first cutting structure, the second cutting structure, the third cutting structure and the fourth cutting structure have different types. 
     
     
         17 . The electronic device of  claim 1 , wherein when the first bending part and the second bending part are bended, a radius of curvature of the first bending part and a radius of curvature of the second bending part range from 0.1 mm to 10 mm. 
     
     
         18 . The electronic device of  claim 1 , further comprising a distance exists between the first cutting structure and the active region, wherein the peripheral traces are disposed in the distance. 
     
     
         19 . The electronic device of  claim 1 , further comprising a peripheral light shielding layer, wherein the active region is surrounded by the peripheral light shielding layer according to a top view direction. 
     
     
         20 . The electronic device of  claim 1 , wherein the electronic device is a flexible display device, a flexible touch pad or a flexible touch display device.