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：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：US20200212314A1

公开(公告)日：2020-07-02

申请号：US16726452

申请日：2019-12-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Masaki NUMATA ,  Masaru KINOSHITA ,  Mitsunori ITO ,  Wataru SOTOYAMA

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device comprising: a first electrode; a second electrode; and an emission layer between the first electrode and the second electrode, wherein the emission layer comprising a first compound, a second compound, and a third compound, the first compound comprising at least one compound represented by one of Formulae 1-1 to 1-4, the second compound comprising at least one compound represented by one of Formulae 2-1 to 2-4, and the third compound includes at least one of a triphenylene group, a dibenzofuran group, a dibenzothiophene group, a fluorene group, a biscarbazole group, or any combination thereof, wherein a band gap between a highest occupied molecular orbital (HOMO) band energy level and a lowest unoccupied molecular orbital (LUMO) band energy level of the third compound is 3.3 eV or more. Formulae 1-1 to 1-4 and Formulae 2-1 to 2-4 are described herein.

公开(公告)号：US20230126543A1

公开(公告)日：2023-04-27

申请号：US17897297

申请日：2022-08-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Shiro IRISA ,  Wataru SOTOYAMA ,  Eigo MIYAZAKI ,  Atsushi IMAMURA ,  Masaru KINOSHITA ,  Mitsunori ITO

IPC: C07D471/06 ,  C07F5/02 ,  C07D519/00 ,  H01L51/50 ,  H01L51/00

Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device: The substituents in Formula 1 are the same as described in the detailed description.