US 12,477,911 B2
Display substrate and manufacturing method thereof, and display device
Hongwei Ma, Beijing (CN); Xiangdan Dong, Beijing (CN); and Rui Wang, 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 Apr. 25, 2024, as Appl. No. 18/645,581.
Application 18/645,581 is a continuation of application No. 16/975,521, granted, now 12,004,387, previously published as PCT/CN2019/114061, filed on Oct. 29, 2019.
Prior Publication US 2024/0276816 A1, Aug. 15, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H10K 59/131 (2023.01); H10K 59/121 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 59/1213 (2023.02)] 18 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a base substrate, comprising a display region and a display peripheral region surrounding the display region, wherein the display peripheral region comprises a first bonding region, a bonding boundary region and a bonding peripheral region, the first bonding region comprises the bonding boundary region, the bonding peripheral region surrounds the bonding boundary region;
a plurality of data lines, located in the display region and extending to the first bonding region;
a plurality of contact pads, located in the first bonding region and configured to be electrically connected to the plurality of data lines;
a first insulation laminated layer, in the first bonding region; and
a second insulation laminated layer, in the bonding peripheral region, wherein the second insulation laminated layer extend into the first bonding region to obtain the first insulation laminated layer; and
wherein a thickness of the first insulation laminated layer along a direction perpendicular to the base substrate is smaller than a thickness of the second insulation laminated layer along the direction perpendicular to the base substrate,
wherein the display peripheral region further comprises a transition region, and the transition region is located between the display region and the first bonding region,
the display substrate further comprises a third insulation laminated layer, in the transition region, wherein the third insulation laminated layer comprises a first insulation laminated sub-layer and a second insulation laminated sub-layer, an orthographic projection of the first insulation laminated sub-layer on the base substrate at least partially covers the transition region and the bonding peripheral region, and an orthographic projection of the second insulation laminated sub-layer on the base substrate at least partially covers the transition region and the bonding peripheral region,
wherein the third insulation laminated layer further comprises a third insulation laminated sub-layer that is between the first insulation laminated sub-layer and the second insulation laminated sub-layer, and
an orthographic projection of the third insulation laminated sub-layer on the base substrate does not overlap with the first bonding region and the bonding peripheral region.