公开(公告)号：US20240306416A1

公开(公告)日：2024-09-12

申请号：US18020732

申请日：2022-05-23

Applicant: BOE Technology Group Co., Ltd.

Inventor： Erli Li

IPC: H10K50/15 ,  H10K50/18 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K50/156 ,  H10K50/181 ,  H10K2101/30 ,  H10K2101/40

Abstract: The present application provides a light emitting device and a display apparatus. The light emitting device includes: an anode; an emission layer located on a side of the anode; and a hole auxiliary layer located between the anode and the emission layer. At least one of the emission layer and the hole auxiliary layer includes a functional material that is configured to be crystallizable at a preset temperature and improve hole injection property.

公开(公告)号：US12016205B2

公开(公告)日：2024-06-18

申请号：US17458193

申请日：2021-08-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Cheng Han ,  Xin Li ,  Xing Fan ,  Songquan Wu ,  Meng Sun ,  Erli Li

IPC: H10K71/00 ,  H10K59/121 ,  H10K59/12

CPC classification number: H10K59/121 ,  H10K71/00 ,  H10K59/1201

Abstract: The application provides a manufacturing method for a display panel, a display panel, and a display device. The manufacturing method includes: providing a substrate; forming a driving circuit layer on the substrate; forming a planarization layer on the side of the driving circuit layer facing away from the substrate; forming a composite material layer on the side of the planarization layer facing away from the substrate with a polymerization-induced phase separation method to the composite material layer including a polymer and liquid crystal phase molecules dispersed in the polymer; removing the liquid crystal phase molecules in the composite material layer to obtain an auxiliary structure layer, the side of the auxiliary structure layer facing away from the substrate having a plurality of protrusion structures; and forming a pixel structure on the side of the auxiliary structure layer facing away from the substrate, wherein the auxiliary structure layer makes the pixel structure uneven, and the pixel structure includes a first electrode, an organic light emitting material, and a second electrode that are sequentially formed on the side of the auxiliary structure layer facing away from the substrate.