公开(公告)号：US20220059770A1

公开(公告)日：2022-02-24

申请号：US17223851

申请日：2021-04-06

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00

Abstract: Provided are an amine compound represented by Formula 1 and a light-emitting device including the amine compound. The light emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the light-emitting device includes an amine compound represented by Formula 1.

公开(公告)号：US20210399250A1

公开(公告)日：2021-12-23

申请号：US17210322

申请日：2021-03-23

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  H01L51/00

Abstract: An organic electroluminescence device (OLED) of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, and an electron transport region on the emission layer. The hole transport region may include an amine compound represented by Formula 1, and the OLED may thereby exhibit high luminous efficiency:

公开(公告)号：US20210175436A1

公开(公告)日：2021-06-10

申请号：US16997683

申请日：2020-08-19

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00

Abstract: An organic electroluminescence device includes a first electrode and a second electrode facing each other, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one of the organic layers includes an amine compound represented by Formula 1 below. The organic electroluminescence device may have improved luminous efficiency.

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.