US 12,238,974 B2
Display substrate and method for manufacturing the same, display panel, and display apparatus
Ying Cui, Beijing (CN)
Assigned to BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
Appl. No. 17/638,737
Filed by BOE TECHNOLOGY GROUP CO., LTD., Beijing (CN)
PCT Filed Feb. 18, 2021, PCT No. PCT/CN2021/076762
§ 371(c)(1), (2) Date Feb. 25, 2022,
PCT Pub. No. WO2021/164710, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 202010105939.X (CN), filed on Feb. 20, 2020.
Prior Publication US 2022/0223668 A1, Jul. 14, 2022
Int. Cl. H10K 59/122 (2023.01); H10K 59/35 (2023.01); H10K 59/12 (2023.01)
CPC H10K 59/122 (2023.02) [H10K 59/352 (2023.02); H10K 59/353 (2023.02); H10K 59/1201 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display substrate, comprising:
a base substrate;
a plurality of first electrodes disposed on the base substrate;
a first pixel defining layer disposed on the base substrate, the first pixel defining layer including a plurality of first opening regions, and each first opening region exposing at least a portion of a first electrode of the plurality of first electrodes;
a second pixel defining layer disposed on the base substrate, the second pixel defining layer including a plurality of second opening regions, each second opening region corresponding to at least two first opening regions of the plurality of first opening regions, and orthogonal projections of the at least two first opening regions on the base substrate being located within an orthogonal projection of the second opening region on the base substrate;
light-emitting layers disposed in the plurality of second opening regions, the light-emitting layers overspreading the plurality of second opening regions in a plane perpendicular to a thickness direction of the base substrate, respectively; and
a plurality of auxiliary patterns disposed between the base substrate and the plurality of first electrodes, the first electrode being disposed on a surface of an auxiliary pattern away from the base substrate.