公开(公告)号：US20250051317A1

公开(公告)日：2025-02-13

申请号：US18718395

申请日：2023-05-31

Applicant: SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.

Inventor： Xianbin XU ,  Lei YANG

IPC: C07D413/04 ,  C07B59/00 ,  C07D263/56 ,  C07D413/14 ,  C07D417/10 ,  C07D417/14 ,  H10K85/60

Abstract: The present application relates to the technical field of organic electroluminescent materials, and provides a nitrogen-containing compound, an organic electroluminescent device comprising same, and an electronic apparatus. The nitrogen-containing compound of the present application comprises a parent nucleus structure of a benzophenoxazole/thiazole group. When the nitrogen-containing compound is used as a host material for an emission layer of the organic electroluminescent device, the luminous efficiency and service life of the device can be remarkably improved.

公开(公告)号：US20240246938A1

公开(公告)日：2024-07-25

申请号：US18288600

申请日：2022-09-28

Applicant: Shaanxi Lighte Optoelectronics Material Co., Ltd.

Inventor： Xianbin XU ,  Lei YANG

IPC: C07D403/10 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D495/04 ,  H10K50/11 ,  H10K85/60

CPC classification number: C07D403/10 ,  C07D403/14 ,  C07D405/14 ,  C07D409/14 ,  C07D495/04 ,  H10K50/11 ,  H10K85/6572

Abstract: The present disclosure relates to a nitrogen-containing compound, and an organic electroluminescent device and an electronic apparatus including the same. The nitrogen-containing compound of the present disclosure includes a tetramethylcyclohexanocarbazole group and a nitrogen-containing heteroaryl group, and when the nitrogen-containing compound is used as a host material of an organic electroluminescent device, the luminous efficiency of the device can be significantly improved.