公开(公告)号：US11877476B2

公开(公告)日：2024-01-16

申请号：US16901019

申请日：2020-06-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xiaochuan Chen ,  Hui Wang ,  Kuanta Huang ,  Pengcheng Lu ,  Yuncui Zhao ,  Dongmei Xie

IPC: H10K59/123 ,  H10K59/122 ,  H10K50/814 ,  H10K59/124 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K50/814 ,  H10K59/123 ,  H10K59/124 ,  H10K59/1201

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a microcavity structure layer and a light emitting structure layer that are stacked, a reflective electrode being disposed in the microcavity structure layer, a groove being disposed on a surface of the microcavity structure layer, the light emitting structure layer including a first electrode disposed in the groove, and the first electrode being connected to the reflective electrode.

公开(公告)号：US11903258B2

公开(公告)日：2024-02-13

申请号：US16902288

申请日：2020-06-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Hui Wang ,  Xiaochuan Chen ,  Kuanta Huang ,  Pengcheng Lu ,  Yuncui Zhao

IPC: H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided are a display substrate and a preparation method thereof, and a display device. The display substrate includes a plurality of pixel units arranged in a matrix, wherein the pixel units each include a plurality of sub-pixels, the sub-pixels each include a micro-cavity modulation layer and an emitting structure layer, the micro-cavity modulation layer is provided with a reflective electrode, the emitting structure layer includes a first electrode, an emitting layer and a semi-transparent and semi-reflective second electrode which are sequentially disposed on the micro-cavity modulation layer, and a distance between the second electrode and the reflective electrode is different in each sub-pixel.