A tiled device , comprising: a plurality of displays , each of the displays comprising: a flexible substrate , comprising a first bending region and a side region connected to the first bending region ; and a conductive wire , disposed on the flexible substrate and comprising a metal portion and a plurality of openings disposed in the metal portion , characterized in that a ratio of a total width of the metal portion disposed in the first bending region to a total width of the metal portion disposed in the side region is in a range from 0.8 to 1.2, wherein the metal portion comprises a plurality of extending portions and a plurality of joint portions , and each of the openings is surrounded by two of the extending portions and two of the joint portions , wherein the total width of the metal portion disposed in the first bending region is a sum of widths of the plurality of the extending portions or a sum of widths of the plurality of the joint portions disposed in the first bending region in the first direction (D1), wherein a ratio of the sum of widths of the plurality of the extending portions disposed in the first bending region to the sum of widths of the plurality of the joint portions disposed in the first bending region is in a range from 0.8 to 1.2, wherein the total width of the metal portion disposed in the side region is a sum of widths of the plurality of the extending portions or a sum of widths of the plurality of the joint portions disposed in the side region in the first direction (D1), and wherein the conductive wire is extended along a second direction (D2), and the first direction (D1) is perpendicular to the second direction (D2). a plurality of displays , each of the displays comprising: a flexible substrate , comprising a first bending region and a side region connected to the first bending region ; and a conductive wire , disposed on the flexible substrate and comprising a metal portion and a plurality of openings disposed in the metal portion , a flexible substrate , comprising a first bending region and a side region connected to the first bending region ; and a conductive wire , disposed on the flexible substrate and comprising a metal portion and a plurality of openings disposed in the metal portion , characterized in that a ratio of a total width of the metal portion disposed in the first bending region to a total width of the metal portion disposed in the side region is in a range from 0.8 to 1.2, wherein the metal portion comprises a plurality of extending portions and a plurality of joint portions , and each of the openings is surrounded by two of the extending portions and two of the joint portions , wherein the total width of the metal portion disposed in the first bending region is a sum of widths of the plurality of the extending portions or a sum of widths of the plurality of the joint portions disposed in the first bending region in the first direction (D1), wherein a ratio of the sum of widths of the plurality of the extending portions disposed in the first bending region to the sum of widths of the plurality of the joint portions disposed in the first bending region is in a range from 0.8 to 1.2, wherein the total width of the metal portion disposed in the side region is a sum of widths of the plurality of the extending portions or a sum of widths of the plurality of the joint portions disposed in the side region in the first direction (D1), and wherein the conductive wire is extended along a second direction (D2), and the first direction (D1) is perpendicular to the second direction (D2). <EOS>