公开(公告)号：US20210408429A1

公开(公告)日：2021-12-30

申请号：US16960046

申请日：2019-08-23

Applicant: Boe Technology Group Co., Ltd.

Inventor： Shengji YANG ,  Hui Wang ,  Xiaochuan Chen ,  Kuanta Huang ,  Yanming Wang ,  Pengcheng Lu ,  Yage Song ,  Guangtong LIU ,  Jiantong Li

IPC: H01L51/50 ,  H01L51/56 ,  H01L27/32

Abstract: A display substrate and a manufacturing method thereof are provided. The display substrate includes a base substrate, as well as a first conductive layer, an organic functional layer and a second conductive layer which are on the base substrate sequentially, and the organic functional layer includes a carrier injection layer including a first carrier injection layer portion and a second carrier injection layer portion which are in a first sub-pixel area and a second sub-pixel area respectively; the display substrate further includes a spacer which separates the first carrier injection layer portion and the second carrier injection layer portion, and the carrier injection layer further includes a third carrier injection layer portion which is separated from the first carrier injection layer portion and the second carrier injection layer portion respectively.