公开(公告)号：US11569459B2

公开(公告)日：2023-01-31

申请号：US16867060

申请日：2020-05-05

Applicant: Samsung Display Co., Ltd.

Inventor： Eunsoo Ahn ,  Soobyung Ko ,  Hyunjung Lee ,  Mina Jeon ,  Sungbum Kim ,  Haejin Kim ,  Sujin Shin ,  Eunyoung Lee ,  Jaesung Lee ,  Junghoon Han

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H01L51/50

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, the organic layer including an emission layer. The emission layer includes at least one organometallic compound of Formula 1, and at least one selected from a second compound and a third compound, where the organometallic compound, the second compound, and the third compound are different from each other. When the emission layer comprises both the second compound and the third compound, the second compound and the third compound form an exciplex, and the organometallic compound and the second compound and/or the third compound do not form an exciplex: M(L1)n1(L2)n2,  Formula 1 wherein in Formula 1, L1 is represented by Formula 2-1:

公开(公告)号：US11271170B2

公开(公告)日：2022-03-08

申请号：US16556852

申请日：2019-08-30

Applicant: Samsung Display Co., Ltd.

Inventor： Yeseul Lee ,  Hyeongmin Kim ,  Heechoon Ahn ,  Hyunah Um ,  Yirang Im ,  Soobyung Ko ,  Jongwoo Kim

IPC: H01L51/00 ,  C07D519/00 ,  C09K11/02 ,  H01L51/50

Abstract: Provided are a heterocyclic compound and an organic light-emitting device including the same. The heterocyclic compound is represented by Formula 1. The 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 at least one of the heterocyclic compound represented by Formula 1.

公开(公告)号：US20220013738A1

公开(公告)日：2022-01-13

申请号：US17356369

申请日：2021-06-23

Applicant: Samsung Display Co., Ltd. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY

Inventor： Junghoon Han ,  Soonki Kwon ,  Yunhi Kim ,  Soobyung Ko ,  Jaesung Lee ,  Minjae Sung

IPC: H01L51/00 ,  C09K11/06 ,  C07F15/00

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

公开(公告)号：US11211567B2

公开(公告)日：2021-12-28

申请号：US16186296

申请日：2018-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Mieun Jun ,  Soobyung Ko ,  Heechoon Ahn ,  Sungbum Kim ,  Mina Jeon ,  Youngkook Kim ,  Seokhwan Hwang

IPC: C09K11/06 ,  H01L51/00 ,  C07D401/10 ,  C07D403/14 ,  H01L51/50

Abstract: A heterocyclic compound represented by Formula 1 and an organic light-emitting device including the same are provided: When the nitrogen atom of the acridine moiety is combined (e.g., coupled) with an sp2 carbon atom of the pentagonal ring, either directly or through a pi-conjugated carbocyclic group, the compound may be electron rich and may easily transport charges. The heterocyclic compound represented by Formula 1 may be used as a delayed fluorescence emitter in the organic light-emitting device, and the device may have a low driving voltage, a high efficiency, a high luminance, and a long lifespan.

公开(公告)号：US11145823B2

公开(公告)日：2021-10-12

申请号：US15788605

申请日：2017-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Heechoon Ahn ,  Soobyung Ko ,  Mieun Jun ,  Sungbum Kim ,  Mina Jeon ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H01L51/00 ,  H01L51/50 ,  C07F9/64 ,  C09K11/06 ,  C07F9/572 ,  C07F9/6596 ,  C07F9/6561 ,  C09K11/02

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, the organic layer including an emission layer. The emission layer includes at least one heterocyclic compound of Formula 1. The heterocyclic compound may be a host or a delayed fluorescent dopant. The organic light-emitting device including the heterocyclic compound may have a low driving voltage, high efficiency, high luminance, and a long lifespan.

公开(公告)号：US10954254B2

公开(公告)日：2021-03-23

申请号：US15870494

申请日：2018-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Heechoon Ahn ,  Soobyung Ko ,  Mieun Jun ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H01L51/50 ,  C07F7/10 ,  C07D417/04 ,  C07D413/04 ,  C07D409/04 ,  C07D405/04 ,  C07D401/14 ,  H01L51/00 ,  C09K11/06 ,  C07F7/08

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, the organic layer comprising an emission layer comprising the heterocyclic compound of Formula 1 as a host or as a delayed fluorescent dopant. The organic light-emitting device including the heterocyclic compound may have a low driving voltage and excellent maximum quantum efficiency:

公开(公告)号：US20200295269A1

公开(公告)日：2020-09-17

申请号：US16672159

申请日：2019-11-01

Applicant: Samsung Display Co., Ltd.

Inventor： Yeseul Lee ,  Hyeongmin Kim ,  Heechoon Ahn ,  Hyunah Um ,  Yirang Im ,  Soobyung Ko ,  Jongwoo Kim

IPC: H01L51/00

Abstract: Provided are a heterocyclic compound represented by a certain formula and an organic light-emitting device including the same.

公开(公告)号：US10763445B2

公开(公告)日：2020-09-01

申请号：US15921590

申请日：2018-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong Kim ,  Soobyung Ko ,  Myeongsuk Kim ,  Jimyoung Ye ,  Byeongwook Yoo ,  Heunseung Lee ,  Jaehoon Hwang

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H01L51/50

Abstract: An organometallic compound and an organic light-emitting device including the same are provided. The organometallic compound is represented by Formula 1 below:

公开(公告)号：US20200270283A1

公开(公告)日：2020-08-27

申请号：US16509333

申请日：2019-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yeseul Lee ,  Hyeongmin Kim ,  Heechoon Ahn ,  Hyunah Um ,  Yirang Im ,  Soobyung Ko ,  Jongwoo Kim

IPC: C07F7/08 ,  H01L51/00 ,  H01L51/50

Abstract: Provided is a compound represented by Formula 1 and an organic light-emitting device including the same. The 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, the organic layer including an emission layer and the compound represented by Formula 1.

公开(公告)号：US10428090B2

公开(公告)日：2019-10-01

申请号：US16054976

申请日：2018-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Mieun Jun ,  Soobyung Ko ,  Haejin Kim ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H01L29/08 ,  H01L35/24 ,  H01L51/00 ,  C07F7/08 ,  H01L51/50

Abstract: A condensed-cyclic compound and an organic light-emitting device including the same are provided. The compound is represented by the formula wherein ring A, ring B, and ring C are each independently selected from a C5-C30 carbocyclic group and a C1-C30 heterocyclic group, each of L1 to L9 is independently selected from a substituted or unsubstituted C3-C10 cycloalkylene group, a substituted or unsubstituted C1-C10 heterocycloalkylene group, a substituted or unsubstituted C3-C10 cycloalkenylene group, a substituted or unsubstituted C1-C10 heterocycloalkenylene group, a substituted or unsubstituted C6-C60 arylene group, a substituted or unsubstituted C1-C60 heteroarylene group, a substituted or unsubstituted divalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group, and each of Ar1 to Ar6, R1 to R3, R11, and R12 are further defined. The compound may be incorporated into one or more layers of an organic light-emitting diode device.