公开(公告)号：US20210184132A1

公开(公告)日：2021-06-17

申请号：US17111641

申请日：2020-12-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Keisuke KORAI ,  Atsushi IMAMURA ,  Jhunmo SON ,  Masaru KINOSHITA ,  Mitsunori ITO ,  Norifumi KISHI ,  Rie SAKURAI ,  Shiro IRISA ,  Masaki NUMATA

IPC: H01L51/00 ,  C07D403/14 ,  C09K11/06

Abstract: Provided is a compound that has a long pot life of a solution and is able to achieve low driving voltage, high efficiency, and long lifespan of an organic electroluminescent device. The present disclosure relates to a compound having a triphenyl triazine structural moiety and including a group that has a structure in which a substituted or unsubstituted carbazole group and a predetermined number of carbazole rings are directly bonded via a single bond, as described in the specification.

公开(公告)号：US20220213113A1

公开(公告)日：2022-07-07

申请号：US17562257

申请日：2021-12-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Norifumi KISHI ,  Mitsunori ITO ,  Atsushi IMAMURA ,  Eigo MIYAZAKI ,  Joonghyuk KIM ,  Inkoo KIM ,  Masaru KINOSHITA ,  Soonok JEON ,  Wataru SOTOYAMA ,  Yongsik JUNG

IPC: C07D487/22 ,  H01L51/00

Abstract: The present disclosure relates to a nitrogen-containing condensed cyclic compound having a particular structure and satisfying a particular condition. The present disclosure also relates to a fluorescence emitter that includes the nitrogen-containing condensed cyclic compound having a particular structure and is used together with a phosphorescent complex. In addition, the present disclosure relates to a material for the organic electroluminescent device, including the nitrogen-containing condensed cyclic compound having a particular structure and a phosphorescent complex. Moreover, the present disclosure relates to an organic electroluminescent device including the nitrogen-containing condensed cyclic compound, the fluorescence emitter, and the material for an organic electroluminescent device.

公开(公告)号：US20230080626A1

公开(公告)日：2023-03-16

申请号：US17558957

申请日：2021-12-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Keisuke KORAI ,  Norifumi KISHI ,  Wataru SOTOYAMA ,  Atsushi IMAMURA ,  Eigo MIYAZAKI ,  Jiwhan Kim ,  Juhyun Kim ,  Tomoya HIROSE

IPC: C07D487/22 ,  H01L51/00

Abstract: Provided are a condensed cyclic compound represented by Formula 1, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device: wherein details of Formula 1 are the same as described in the present specification.