公开(公告)号：US20240276775A1

公开(公告)日：2024-08-15

申请号：US18023381

申请日：2022-03-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Jintao PENG ,  Yanan NIU ,  Zhikun GAO ,  Tingting ZHOU ,  Bin QIN ,  Shuang SUN

IPC: H10K59/122 ,  H10K59/35

CPC classification number: H10K59/122 ,  H10K59/35

Abstract: A display substrate includes a light emitting structure layer arranged on a base substrate, the light emitting structure layer includes a first electrode layer, a pixel definition layer, a light emitting functional layer, a second electrode layer, a third electrode layer and an electrode insulation layer; the first electrode layer includes multiple first electrodes, and the pixel definition layer is provided with a pixel opening exposing a first electrode and a grid-shaped isolation groove structure; the third electrode layer and the electrode insulation layer are sequentially stacked on a side of the pixel definition layer; the light emitting functional layer and the second electrode layer are sequentially stacked; the second electrode layer and the third electrode layer are configured to be equipotential; the light emitting functional layer includes at least two stacked light emitting units and a charge generation layer positioned between two adjacent light emitting units.