US 12,114,558 B2
Flexible substrate, preparation method therefor, display panel, and display device
Kai Sui, Beijing (CN); Jinxiang Xue, Beijing (CN); Zhongyuan Sun, Beijing (CN); Xiaofen Wang, Beijing (CN); Qian Jin, Beijing (CN); and Chao Dong, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/262,768
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Jun. 23, 2020, PCT No. PCT/CN2020/097575
§ 371(c)(1), (2) Date Jan. 25, 2021,
PCT Pub. No. WO2020/259462, PCT Pub. Date Dec. 30, 2020.
Claims priority of application No. 201910556319.5 (CN), filed on Jun. 25, 2019.
Prior Publication US 2021/0313526 A1, Oct. 7, 2021
Int. Cl. H10K 77/10 (2023.01); H10K 59/131 (2023.01); H10K 71/00 (2023.01); H10K 102/00 (2023.01)
CPC H10K 77/111 (2023.02) [H10K 59/131 (2023.02); H10K 71/00 (2023.02); H10K 2102/311 (2023.02)] 20 Claims
OG exemplary drawing
 
1. A flexible substrate, comprising a flexible base substrate, the flexible base substrate comprising a plurality of display regions in an array and bridges connecting every two adjacent display regions, wherein
each of the plurality of display regions is configured to arrange a pixel structure;
each of the bridges comprises a buffer layer, a first organic layer, a wiring layer, a second organic layer, and an inorganic layer that are arranged in sequence, wherein the wiring layer is provided with a wire; and
in at least a part of a length of the wire, along an extension direction of the wire, the wire comprises metal segments and elastic conductor segments that are alternately arranged;
wherein each bridge comprises a first curved portion, a second curved portion and a linear portion connecting the first curved portion and the second curved portion, the wire in each curved portion is curved and the wire in the linear portion extends along a straight line, and the first curved portion of the bridge is connected to a top end of a first display region and opened towards the first display region of the plurality of display regions, the second curved portion of the bridge is connected to a bottom end of a second display region and opened towards the second display region of the plurality of display regions.