公开(公告)号：US20240365663A1

公开(公告)日：2024-10-31

申请号：US18638579

申请日：2024-04-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tomoya Hirose ,  Eigo Miyazaki ,  Atsushi Imamura ,  Mitsunori Ito

IPC: H10K85/60 ,  C07D487/22 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/6572 ,  C07D487/22 ,  C09K11/06 ,  H10K85/654 ,  C09K2211/1018 ,  H10K50/11

Abstract: A blue luminescent compound including a nitrogen-containing aromatic heterocyclic skeleton and at least two aromatic substituents bonded to the nitrogen-containing aromatic heterocyclic skeleton, wherein the nitrogen-containing aromatic heterocyclic skeleton includes, as substituents, four branched or cyclic alkyl groups each having 3 to 20 carbon atoms, and the nitrogen-containing aromatic heterocyclic skeleton and the at least two aromatic substituents are not located on a same plane.

公开(公告)号：US12178122B2

公开(公告)日：2024-12-24

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: H10K85/60 ,  C07D403/14 ,  C09K11/06 ,  H10K85/30 ,  H10K50/11 ,  H10K101/10 ,  H10K101/30

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：US12297214B2

公开(公告)日：2025-05-13

申请号：US17400727

申请日：2021-08-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wataru Sotoyama ,  Soonok Jeon ,  Rie Sakurai ,  Katsunori Shibata ,  Atsushi Imamura ,  Juhyun Kim ,  Mitsunori Ito ,  Eigo Miyazaki ,  Joonghyuk Kim

IPC: C07F5/02 ,  H10K85/60 ,  H10K50/12 ,  H10K101/30

Abstract: Provided are a condensed cyclic compound represented by Formula 1-1 or 1-2, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the organic light-emitting device: wherein Formulae 1-1 and 1-2 are the same as described in the present specification.

公开(公告)号：US12240817B2

公开(公告)日：2025-03-04

申请号：US17472807

申请日：2021-09-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Eigo Miyazaki ,  Satoshi Inayama ,  Atsushi Imamura ,  Hosuk Kang ,  Sangmo Kim ,  Mitsunori Ito

IPC: H01L51/50 ,  C07D221/18 ,  H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: Provided are a heterocyclic compound represented by Formula 1 and Formula 2, an organic light-emitting device including the heterocyclic compound, and an electronic apparatus including the organic light-emitting device: wherein, in Formula 1 and Formula 2, the substituents may be understood by referring to the detailed description.

公开(公告)号：US20230075211A1

公开(公告)日：2023-03-09

申请号：US17400727

申请日：2021-08-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wataru SOTOYAMA ,  Soonok Jeon ,  Rie Sakurai ,  Katsunori SHIBATA ,  Atsushi Imamura ,  Juhyun Kim ,  Mitsunori Ito ,  Eigo Miyazaki ,  Joonghyuk Kim

IPC: C07F5/02 ,  H01L51/00

Abstract: Provided are a condensed cyclic compound represented by Formula 1-1 or 1-2, an organic light-emitting device including the condensed cyclic compound, and an electronic apparatus including the organic light-emitting device: wherein Formulae 1-1 and 1-2 are the same as described in the present specification.