US 12,004,394 B2
Display substrate and display device
Fan He, Beijing (CN); Hongwei Ma, Beijing (CN); and Xiangdan Dong, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
Filed on Nov. 5, 2021, as Appl. No. 17/520,503.
Claims priority of application No. 202110333034.2 (CN), filed on Mar. 29, 2021.
Prior Publication US 2022/0310759 A1, Sep. 29, 2022
Int. Cl. H01L 27/32 (2006.01); H10K 59/131 (2023.01)
CPC H10K 59/131 (2023.02) 20 Claims
OG exemplary drawing
 
1. A display substrate, comprising a base substrate comprising a display region and a wire changing region located at a periphery of the display region, and the display substrate further comprising a first wire layer, a first insulating layer, a transitional connection layer, a second insulating layer, a third insulating layer, and a second wire layer sequentially arranged on the wire changing region of the substrate; wherein,
the first insulating layer is provided with a first opening; the second insulating layer is provided with a second opening; the third insulating layer is provided with a third opening; the first wire layer comprises a plurality of first wires; the transitional connection layer comprises a plurality of electrical connection portions; the second wire layer comprises a plurality of second wires;
the first wires are electrically connected to the electrical connection portions through the first opening, and the electrical connection portions are electrically connected to the second wires through the second opening and the third opening; and
at least two of a projection of the first opening on the substrate, a projection of the second opening on the substrate, or a projection of the third opening on the substrate are staggered in positions.