公开(公告)号：US20200052223A1

公开(公告)日：2020-02-13

申请号：US16357527

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eunjae JEONG ,  Dongjun KIM ,  Youngkook KIM ,  Jongwoo KIM ,  Sanghyun HAN

IPC: H01L51/00 ,  C07D487/04

Abstract: A condensed cyclic compound and an organic light-emitting device including the same, the condensed cyclic compound being represented by the following Formula 1:

公开(公告)号：US20210363160A1

公开(公告)日：2021-11-25

申请号：US17316580

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Sohee JO ,  Dongjun KIM ,  Minji KIM ,  Eunjae JEONG ,  Sanghyun HAN

IPC: C07D519/00 ,  H01L51/00

Abstract: A light-emitting device includes a heterocyclic compound represented by Formula 1: The heterocyclic compound represented by Formula 1 may have a high glass transition temperature (Tg) and/or melting point for excellent thermal resistance, and excellent hole injectability and/or transportability. Accordingly, the light-emitting device may have excellent luminance, luminescence efficiency, lifespan, and/or driving voltage.

公开(公告)号：US20210175430A1

公开(公告)日：2021-06-10

申请号：US16997595

申请日：2020-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Dongjun KIM ,  Minji KIM ,  Eunjae JEONG ,  Sohee JO ,  Sanghyun HAN

IPC: H01L51/00 ,  C07D421/12

Abstract: An organic electroluminescence device includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the plurality of organic layers includes an amine compound, the amine compound includes a central nitrogen atom, a carbazole group substituted to the central nitrogen atom, and a dibenzoselenophene group substituted to the central nitrogen atom, and a nitrogen atom of the carbazole group is substituted with a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group. The organic electroluminescence device thereby has high efficiency and long-life.

公开(公告)号：US20210083201A1

公开(公告)日：2021-03-18

申请号：US16850208

申请日：2020-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Minji KIM ,  Dongjun KIM ,  Eunjae JEONG ,  Sohee JO ,  Sanghyun HAN

IPC: H01L51/00

Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1 In Formula 1, X is O or S, one selected from R1 to R8 is a group represented by Formula 2-1, and one selected from the remaining groups is a group represented by Formula 2-2, wherein, when X is O, one selected from R1, R2, R4, R5, R7, and R8 is a group represented by Formula 2-1.

公开(公告)号：US20210061794A1

公开(公告)日：2021-03-04

申请号：US16812164

申请日：2020-03-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sohee JO ,  Dongjun KIM ,  Minji KIM ,  Eunjae JEONG ,  Sanghyun HAN

IPC: C07D409/12 ,  C07D407/12 ,  C07D209/88 ,  H01L51/00

Abstract: A compound according to an embodiment of the present disclosure is represented by Formula 1: When the compound is used in an organic light-emitting device, efficiency is higher as compared to when existing compounds in the art are used. In particular, the compound shows a remarkable effect of lifespan improvement, resulting in a significantly increased lifespan of the organic light-emitting device including the compound.

公开(公告)号：US20210053920A1

公开(公告)日：2021-02-25

申请号：US16817333

申请日：2020-03-12

Applicant: Samsung Display Co., Ltd.

Inventor： Dongjun KIM ,  Minji KIM ,  Eunjae JEONG ,  Sohee JO ,  Sanghyun HAN

IPC: C07D209/82 ,  C07D407/12 ,  C07D409/12 ,  H01L51/00

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes the compound of Formula 1: When the compound of Formula 1 is used in an organic light-emitting device, the organic light-emitting device may have high-efficiency characteristics as compared to a case where a compound of the related art is used, resulting particularly in excellent lifespan improvement effects, and accordingly, significantly improved lifespan.

公开(公告)号：US20190389828A1

公开(公告)日：2019-12-26

申请号：US16293299

申请日：2019-03-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jongwoo KIM ,  Dongjun KIM ,  Youngkook KIM ,  Eunjae JEONG ,  Sanghyun HAN

IPC: C07D307/91 ,  C07D333/76 ,  C07D409/12 ,  H01L51/00

Abstract: Provided are a diamine compound and an organic light-emitting device including the same. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and comprising an emission layer, the organic layer including a diamine compound represented by one selected from Formulae 1-1 to 1-8.