公开(公告)号：US20220123057A1

公开(公告)日：2022-04-21

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: H01L27/32 ,  H01L51/56

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.

公开(公告)号：US20250081718A1

公开(公告)日：2025-03-06

申请号：US18282849

申请日：2023-01-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaobo DU ,  Yansong LI ,  Erli LI ,  Shu JING ,  Yonghong CHEN ,  Mingli LIU

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K101/00 ,  H10K101/10 ,  H10K101/25 ,  H10K102/00

Abstract: The present disclosure provides a light emitting device and a display panel, which belong to the field of display technology. The light emitting device includes a first electrode, a second electrode, and at least one light emitting unit between the first electrode and the second electrode; the at least one light emitting unit each at least includes a light emitting layer; the light emitting layer includes a host material, a phosphorescent guest material and a fluorescent guest material which are doped together; a lowest triplet energy level of at least one material in the host material is greater than a lowest triplet energy level of the phosphorescent guest material.