公开(公告)号：US11856844B2

公开(公告)日：2023-12-26

申请号：US17080732

申请日：2020-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Dongjun Kim ,  Minji Kim ,  Eunjae Jeong ,  Sohee Jo ,  Sanghyun Han

IPC: C07D333/76 ,  H10K85/60 ,  C07D307/91 ,  C07D209/86 ,  H10K50/15 ,  H10K50/17

CPC classification number: H10K85/636 ,  C07D209/86 ,  C07D307/91 ,  C07D333/76 ,  H10K85/633 ,  H10K50/15 ,  H10K50/17 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576

Abstract: An organic electroluminescence device of an embodiment of the present disclosure includes a first electrode, a second electrode facing the first electrode, and a plurality of organic layers disposed between the first electrode and the second electrode, wherein at least one organic layer of the plurality of organic layers includes an amine compound containing a fluorene group; an aryl group having 6 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; a heteroaryl group having 2 to 60 ring-forming carbon atoms, which is substituted to the fluorene group; and at least one amine group, which is substituted to the fluorene group; wherein all the carbons of the aryl group are substituted with deuterium, and the organic electroluminescence device exhibits high efficiency and a long service life.

公开(公告)号：US11800791B2

公开(公告)日：2023-10-24

申请号：US17499604

申请日：2021-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghyun Han ,  Wonmin Yun ,  Jongwoo Kim ,  Jangyeol Baek ,  Eunjae Jeong ,  Yohan Kim ,  Yisu Kim ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H10K85/60 ,  C07C49/784 ,  C07C49/788 ,  H10K50/86 ,  C07C15/24 ,  C07C15/38 ,  H10K30/00 ,  H10K50/00 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/844

CPC classification number: H10K85/622 ,  C07C49/784 ,  C07C49/788 ,  H10K50/865 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6574 ,  H10K85/6576 ,  C07C15/24 ,  C07C15/38 ,  H10K30/00 ,  H10K50/00 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/844

Abstract: Provided is an organic electroluminescence device provided with a light absorber represented by Formula 1 below, and a light absorbing layer including the same. In Formula 1, Ar is pyrene, chrysene, or anthracene, and Y is a hydrogen atom or a substituent, and X is represented by any one of Formula 2-1 to 2-3 below.

公开(公告)号：US11744147B2

公开(公告)日：2023-08-29

申请号：US17153310

申请日：2021-01-20

Applicant: Samsung Display Co., Ltd.

Inventor： Bora Lee ,  Hyomin Ko ,  Illhun Cho ,  Eunjae Jeong ,  Minji Kim ,  Sohee Jo ,  Dongjun Kim ,  Hankyu Pak ,  Sanghyun Han

IPC: H01L51/50 ,  H10K85/60 ,  C07C211/54 ,  C07C211/61 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  H10K50/15 ,  H10K50/818 ,  H10K50/828 ,  H10K50/858 ,  H10K102/00

CPC classification number: H10K85/633 ,  C07C211/54 ,  C07C211/61 ,  C07D209/88 ,  C07D307/91 ,  C07D333/76 ,  H10K50/156 ,  H10K50/818 ,  H10K50/828 ,  H10K50/858 ,  H10K85/636 ,  C07C2601/14 ,  C07C2603/18 ,  C07C2603/74 ,  H10K85/615 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2102/3026 ,  H10K2102/351

Abstract: A light emitting diode of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region. The hole transport region includes a first hole transport layer disposed adjacent to the first electrode and having a first refractive index, a second hole transport layer disposed adjacent to the emission layer and having a second refractive index, and a third hole transport layer disposed between the first hole transport layer and the second hole transport layer and having a third refractive index which is greater than each of the first refractive index and the second refractive index, thereby showing high light extraction efficiency and high emission efficiency properties.

公开(公告)号：US11711978B2

公开(公告)日：2023-07-25

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: H10K85/60 ,  H10K50/15 ,  H10K50/17 ,  H10K30/30 ,  H10K50/16

CPC classification number: H10K85/6574 ,  H10K85/631 ,  H10K85/6572 ,  H10K85/6576 ,  H10K30/353 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171

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：US11683955B2

公开(公告)日：2023-06-20

申请号：US16044781

申请日：2018-07-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanghyun Han ,  Jongwoo Kim ,  Eunjae Jeong ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H10K50/85 ,  H10K50/84 ,  H10K50/844 ,  C07D333/76 ,  C07D409/12 ,  C07D307/91 ,  H10K50/86 ,  H01L51/52

CPC classification number: H01L51/5262 ,  C07D307/91 ,  C07D333/76 ,  C07D409/12 ,  H01L51/524 ,  H01L51/5253 ,  H01L51/5256 ,  H01L51/5284

Abstract: Provided are a light absorber represented by Formula 1 and an organic electroluminescence device including a light absorption layer including the light absorber:




In Formula 1, X1 is O or S.

公开(公告)号：US20220293862A1

公开(公告)日：2022-09-15

申请号：US17683174

申请日：2022-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dongjun Kim ,  Hankyu Pak ,  Eunjae Jeong ,  Sanghyun Han ,  Minji Kim ,  Sohee Jo

IPC: H01L51/00 ,  C07D209/88 ,  C09K11/06 ,  C07D405/12

Abstract: A light-emitting device including an amine-based compound, an electronic apparatus including the light-emitting device, and an amine-based compound represented by Formula 1 are provided: wherein the detailed description of Formula 1 is the same as described in the present specification.

公开(公告)号：US11440902B2

公开(公告)日：2022-09-13

申请号：US16426129

申请日：2019-05-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanghyun Han ,  Jongwoo Kim ,  Eunjae Jeong ,  Youngkook Kim ,  Seokhwan Hwang

IPC: C07D405/12 ,  C07D405/14 ,  H01L51/00 ,  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 includes an emission layer and at least one amine-based compound including a dinaphthofuran or dinaphthothiophene group and a pyrrole-containing condensed cyclic group.

公开(公告)号：US10418566B2

公开(公告)日：2019-09-17

申请号：US14938770

申请日：2015-11-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Junha Park ,  Youngkook Kim ,  Munki Sim ,  Eunyoung Lee ,  Eunjae Jeong ,  Seokhwan Hwang ,  Donghyun Kim

IPC: H01L51/00 ,  C07F9/6558 ,  C07F9/655 ,  C07D307/77 ,  C09K11/02 ,  H01L51/50

Abstract: An organic light-emitting device including a first electrode as an anode; a second electrode as a cathode and facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, a hole transport region between the first electrode and the emission layer, and an electron transport region between the emission layer and the second electrode, where at least one selected from the emission layer and the electron transport region includes at least one selected from condensed cyclic compounds represented by Formula 1: A2-(A1)n1.  Formula 1

公开(公告)号：US20190055187A1

公开(公告)日：2019-02-21

申请号：US15870782

申请日：2018-01-12

Applicant: SAMSUNG DISPLAY CO. LTD.

Inventor： Jongwoo Kim ,  Jangyeol Baek ,  Eunjae Jeong ,  Sanghyun Han ,  Youngkook Kim ,  Seokhwan Hwang

IPC: C07C211/61 ,  C07D307/91 ,  H01L51/00 ,  C09K11/06 ,  H01L51/50

Abstract: An amine-based compound represented by Formula 1, in which one of R1 to R10 is a group represented by Formula 2, and an organic light-emitting device including the same are provided: When the amine-based compound is included in an organic light-emitting device as a hole transport material, the device may exhibit excellent I-V-L characteristics, including a low driving voltage, improved efficiency, and improved lifespan.

公开(公告)号：US09876179B2

公开(公告)日：2018-01-23

申请号：US14809161

申请日：2015-07-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eunyoung Lee ,  Youngkook Kim ,  Junha Park ,  Munki Sim ,  Eunjae Jeong ,  Seokhwan Hwang

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/0072 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0073 ,  H01L51/0077 ,  H01L51/5012 ,  H01L51/506 ,  H01L51/5072 ,  H01L51/5088

Abstract: An organic light-emitting device including: 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, wherein the organic layer further includes: i) a hole transport region between the first electrode and the emission layer, the hole transport region including at least one selected from a hole transport layer, a hole injection layer, and a buffer layer, and ii) an electron transport region between the emission layer and the second electrode, the electron transport region including an electron transport layer and at least one selected from a hole blocking layer and an electron injection layer; and wherein the electron transport region includes a compound represented by Formula 1 or a compound represented by Formula 2: