US 12,484,394 B2
Display substrate with data fanout lines, preparation method thereof, and display apparatus
Zhenhua Zhang, Beijing (CN); Yingsong Xu, Beijing (CN); Benlian Wang, Beijing (CN); and Yuxin Zhang, Beijing (CN)
Assigned to Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and Beijing BOE Technology Development Co., Ltd., Beijing (CN)
Appl. No. 17/636,369
Filed by Chengdu BOE Optoelectronics Technology Co., Ltd., Sichuan (CN); and BOE Technology Group Co., Ltd., Beijing (CN)
PCT Filed Apr. 30, 2021, PCT No. PCT/CN2021/091499
§ 371(c)(1), (2) Date Feb. 18, 2022,
PCT Pub. No. WO2022/227005, PCT Pub. Date Nov. 3, 2022.
Prior Publication US 2023/0354655 A1, Nov. 2, 2023
Int. Cl. H10K 59/131 (2023.01); H10K 59/12 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 59/1201 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A display substrate, comprising: a display region and a bonding region on a side of the display region, wherein the bonding region at least comprises a lead area; the display region comprises a plurality of data lines and a plurality of data fanout lines, and the lead area comprises a plurality of lead wires; at least one lead wire is connected to a data line through a data fanout line;
in a plane perpendicular to the display substrate, the display substrate comprises a first conductive layer, a second conductive layer, a third conductive layer and a fourth conductive layer, and insulating layers are arranged between the first conductive layer and the second conductive layer, between the second conductive layer and the third conductive layer, as well as between the third conductive layer and the fourth conductive layer; and the data lines and the data fanout lines are arranged in different conductive layers,
wherein the display region further comprises a first power supply line and a plate connection line; the first power supply line extends in a first direction and the plate connection line extends in a second direction; and the second direction crosses the first direction,
wherein at least one data fanout line comprises a first line segment and a second line segment; a first end of the first line segment is connected to a lead wire, and a second end of the first line segment extends in a direction away from the lead area, and then is connected to a first end of the second line segment; a second end of the second line segment extends in a direction towards the lead area, and then is connected to a data line through a via,
wherein the second line segment comprises an extending segment and a connecting segment; a first end of the extending segment is located in the display region and is connected to the second end of the first line segment, and a second end of the extending segment extends to an edge of the display region in a direction towards the lead area, and then is connected to a first end of the connecting segment; and a second end of the connecting segment extends in a direction away from the display region, and then is connected to a data line, which extends to the lead area, through a via; and the edge of the display region is an edge, on a side, close to the lead area, of the display region, and
wherein the extending segment comprises M1 first sub-line segments and M1 second sub-line segments, wherein M1 is a natural number greater than or equal to 1; the first sub-line segments and the second sub-line segments are connected alternately, a first sub-line segment located at one side of the extending segment is connected with the first line segment, and a second sub-line segment located at the other side of the extending segment is connected with the connecting segment; orthographic projections of the first line segment and the second sub-line segment on the display substrate plane both overlap with an orthographic projection of the first power supply line on the display substrate plane, and an orthographic projection of the first sub-line segment on the display substrate plane overlaps with an orthographic projection of the plate connection line on the display substrate plane.