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.

公开(公告)号：US20250089518A1

公开(公告)日：2025-03-13

申请号：US18288444

申请日：2023-02-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Haidong WU ,  Yansong LI ,  Mingli LIU ,  Xiaobo DU ,  Hongli WANG

IPC: H10K59/80 ,  H10K50/115 ,  H10K59/12 ,  H10K59/122 ,  H10K102/00

Abstract: A display panel, including: a substrate; a pixel defining layer; a plurality of light-emitting devices each including a light-emitting functional layer and first and second electrodes; a supplementary electrode on a side of the second electrode away from the substrate, where an orthographic projection of the supplementary electrode on the substrate covers orthographic projections of light-emitting functional layers and/or second electrodes and/or first electrodes of the light-emitting devices of certain colors on the substrate; a supplementary electrode mutual repulsion layer on a side of the second electrode away from the substrate, where an orthographic projection of the supplementary electrode mutual repulsion layer on the substrate is complementary in pattern with the orthographic projection of the supplementary electrode on the substrate; and an encapsulation layer on a side of the supplementary electrode and the supplementary electrode mutual repulsion layer away from the substrate, and configured to encapsulate the light-emitting devices.

公开(公告)号：US20220393122A1

公开(公告)日：2022-12-08

申请号：US17798896

申请日：2021-11-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingli LIU ,  Jia ZHAO ,  Fangxu CAO ,  Na BI

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: The present disclosure provides a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a pixel area and a hole area, the pixel area includes a display structure layer arranged on a base substrate, and the hole area includes a hole structure layer arranged on the base substrate; the hole area includes at least one stretch hole penetrating through the base substrate and the hole structure layer; an inner wall of the stretch hole includes an inorganic material inner wall section and an organic material inner wall section, the inorganic material inner wall section and the organic material inner wall section are arranged along a direction from the base substrate to the hole structure layer, and the organic material inner wall section is located on a side of the stretch hole away from the hole structure layer.