US 12,289,969 B2
Wire routing of display substrate having sensing area, display substrate and apparatus thereof
Hao Zhang, Beijing (CN); Libin Liu, Beijing (CN); and Zhongji Jin, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/763,835
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed May 19, 2021, PCT No. PCT/CN2021/094494
§ 371(c)(1), (2) Date Mar. 25, 2022,
PCT Pub. No. WO2021/244285, PCT Pub. Date Dec. 9, 2021.
Claims priority of application No. 202010493017.0 (CN), filed on Jun. 2, 2020.
Prior Publication US 2022/0376025 A1, Nov. 24, 2022
Int. Cl. H10K 59/131 (2023.01); H10K 59/65 (2023.01)
CPC H10K 59/131 (2023.02) [H10K 59/65 (2023.02)] 14 Claims
OG exemplary drawing
 
1. A display substrate, having a screen area, the screen area comprising at least one sensing area and a display area surrounding each of the at least one sensing area, the sensing area comprising a light-transmitting area and a routing area surrounding the light-transmitting area, wherein the display substrate comprises:
a plurality of first gate lines, each of the plurality of first gate lines comprising a gate line main body part in the display area and a gate line connecting part connected to the gate line main body part, and at least a portion of the gate line connecting part being in the routing area and being bent along an edge trend of the light-transmitting area; and
a plurality of first data lines insulated and spaced from each of the plurality of first gate lines, each of the plurality of first data lines comprising a data line main body part in the display area and a data line connecting part connected to the data line main body part, at least a portion of the data line connecting part being in the routing area and being bent along the edge trend of the light-transmitting area, and
for any one of the routing areas, the plurality of data line connecting parts in the routing area are in at least two metal layers insulated and spaced from each other, and/or, the plurality of gate line connecting parts in the routing area are in at least two metal layers insulated and spaced from each other,
wherein the display substrate further comprises pixel structures in a plurality of rows and in a plurality of columns, which are in the display area, each of the at least one sensing area overlaps at least two rows of the pixel structures in a row direction and overlaps at least two columns of the pixel structures in a column direction, and
each row of pixel structures overlapped with the sensing area in the row direction are connected to one of the plurality of first gate line, and each column of pixel structures overlapped with the sensing area in the column direction are connected to at least one of the plurality of first data line,
wherein the gate line main body part is in a first gate metal layer, and the data line main body part is in a source/drain metal layer,
the at least one sensing area comprises at least one first sensing area and at least one second sensing area,
a plurality of gate line connecting parts and a plurality of data line connecting parts are in the routing area of each of the at least one first sensing area, and each of the plurality of gate line connecting part in the routing area of the first sensing area is in a source/drain metal layer; the plurality of data line connecting parts in the routing area of the first sensing area are respectively in the first gate metal layer and a second gate metal layer which is between the first gate metal layer and the source/drain metal layer, and
a plurality of gate line connecting parts and a plurality of data line connecting parts are in the routing area of each of the at least one second sensing area, the plurality of gate line connecting parts in the routing area of the second sensing area are respectively in the first gate metal layer and the second gate metal layer, and the plurality of data line connecting parts in the routing area of the second sensing area are all in the source/drain metal layer,
wherein the display substrate further comprises a plurality of first light-emitting control lines and a plurality of first initialization lines, each row of the pixel structures overlapped with the sensing area in the row direction are connected to one of the plurality of first light-emitting control lines and one of the plurality of first initialization lines, and
the first light-emitting control line comprises control line main body parts on both sides of the sensing area in the row direction, the control line main body parts are in the first gate metal layer; the first initialization line comprises initialization line main body parts in the display area, each of the initialization line main body parts is in the second gate metal layer,
wherein the pixel structure comprises a light-emitting element, and
the display substrate further comprises a connecting line surrounding and enclosing the first sensing area, each of the initialization line main body parts is connected to the connecting line, the connecting line is in the second gate metal layer or a first electrode layer, and the first electrode layer is a layer where a first electrode of the light-emitting element is located.