公开(公告)号：US12279515B2

公开(公告)日：2025-04-15

申请号：US17446894

申请日：2021-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： Taeil Kim ,  Mun-Ki Sim ,  Sun Young Pak ,  Junha Park ,  Jang Yeol Baek ,  Kyoung Sunwoo ,  Chanseok Oh ,  Minjung Jung

IPC: H01L51/50 ,  C07F5/02 ,  C09K11/06 ,  H10K85/30 ,  H10K50/11 ,  H10K101/10

Abstract: A light emitting device of an embodiment includes oppositely disposed first electrode and second electrode, and multiple organic layers disposed between the first electrode and the second electrode, wherein at least one among the organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency. In Formula 1, the substituents are the same as defined in the Detailed Description.

公开(公告)号：US20240270761A1

公开(公告)日：2024-08-15

申请号：US18470296

申请日：2023-09-19

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung Sunwoo ,  Taeil Kim ,  Sunyoung Pak ,  Junha Park ,  Jangyeol Baek ,  Minjae Sung ,  Munki Sim ,  Chanseok Oh ,  Minjung Jung ,  Seonhyoung Hur

IPC: C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K85/60

CPC classification number: C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K85/658 ,  C09K2211/1018

Abstract: A method of preparing a heterocyclic compound represented by Formula 1, the method includes preparing a first reactant, preparing a second reactant represented by Formula 2-2, and preparing an intermediate compound by mixing the first reactant and the second reactant with i) a copper catalyst, ii) a base, and optionally, iii) an auxiliary solvent, to allow the first reactant and the second reactant to react, wherein the first reactant is a compound represented by Formula 2-1a, and the intermediate compound is a compound represented by Formula 2-3a, or the first reactant is a compound represented by Formula 2-1b, and the intermediate compound is a compound represented by Formula 2-3b:




wherein more details of Formulae 1, 2-1a, 2-1b, 2-2, 2-3a, and 2-3b are as described herein.

公开(公告)号：US11581492B2

公开(公告)日：2023-02-14

申请号：US16998842

申请日：2020-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Chanseok Oh ,  Seokhwan Hwang ,  Junha Park ,  Hankyu Pak ,  Mun-Ki Sim ,  Hyoyoung Lee ,  Minjung Jung

IPC: H01L51/00 ,  C07F5/02 ,  C09K11/06 ,  H01L51/50

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, and the emission layer includes a polycyclic compound represented by Formula 1. The organic electroluminescence device may exhibit high luminous efficiency and/or service life characteristics:

公开(公告)号：US20250063939A1

公开(公告)日：2025-02-20

申请号：US18742529

申请日：2024-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： Haejin Kim ,  Iljoon Kang ,  Soobyung Ko ,  Sujin Shin ,  Chanseok Oh ,  Eunyoung Lee ,  Mina Jeon

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06 ,  H10K50/12

Abstract: A light-emitting device including an organometallic compound represented by Formula 1, an electronic apparatus including the light-emitting device, and the organometallic compound represented by Formula 1 are provided:

公开(公告)号：US12201008B2

公开(公告)日：2025-01-14

申请号：US17451303

申请日：2021-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： Chanseok Oh ,  Mun-Ki Sim ,  Seran Kim ,  Jang Yeol Baek ,  Minjung Jung

IPC: H01L51/50 ,  C07F5/02 ,  C09K11/06 ,  H10K85/30 ,  H10K50/11 ,  H10K101/10

Abstract: Provided is a light emitting device including: 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 organic layer selected from among the plurality of organic layers includes a condensed polycyclic compound represented by Formula 1, and the first electrode and the second electrode each independently include at least one selected from among Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/AI, Mo, Ti, In, Sn, Zn, Yb, W, a compound of two or more thereof, a mixture of two or more thereof, and an oxide thereof.

公开(公告)号：US20240381769A1

公开(公告)日：2024-11-14

申请号：US18593647

申请日：2024-03-01

Applicant: Samsung Display Co., Ltd.

Inventor： Chanseok Oh ,  Sunyoung Pak ,  Junha Park ,  Kyoung Sunwoo ,  Munki Sim ,  Giwoong Han

IPC: H10K85/60 ,  C07F5/02 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30

Abstract: A light-emitting device including a condensed cyclic compound and an electronic apparatus including the light-emitting device are provided. and the condensed cyclic compound. The light-emitting device includes a first electrode, a second electrode facing the first electrode, between which is an emission layer including the condensed cyclic compound that is configured to enhance the operating characteristics, efficiency and lifespan of the light-emitting device.

公开(公告)号：US12133456B2

公开(公告)日：2024-10-29

申请号：US17110108

申请日：2020-12-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mun-Ki Sim ,  Seokhwan Hwang ,  Junha Park ,  Hankyu Pak ,  Chanseok Oh ,  Hyoyoung Lee ,  Minjung Jung

IPC: H10K85/60 ,  H10K50/11 ,  H10K85/30 ,  H10K101/10 ,  H10K101/20

CPC classification number: H10K85/633 ,  H10K85/636 ,  H10K85/657 ,  H10K85/6572 ,  H10K50/11 ,  H10K85/322 ,  H10K2101/10 ,  H10K2101/20

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 a fused polycyclic compound represented by Formula 1 below, thereby improving luminous efficiency.

公开(公告)号：US12052917B2

公开(公告)日：2024-07-30

申请号：US16541519

申请日：2019-08-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Munki Sim ,  Soobyung Ko ,  Junha Park ,  Hankyu Pak ,  Jangyeol Baek ,  Chanseok Oh ,  Hyoyoung Lee

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H05B33/14 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K85/30

CPC classification number: H10K85/657 ,  C07F5/02 ,  C09K11/06 ,  H05B33/14 ,  H10K85/322 ,  H10K85/631 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171

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, the organic layer including a heterocyclic compound that includes boron and nitrogen.

公开(公告)号：US11950508B2

公开(公告)日：2024-04-02

申请号：US17443429

申请日：2021-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Taeil Kim ,  Junha Park ,  Sun Young Pak ,  Jang Yeol Baek ,  Kyoung Sunwoo ,  Mun-Ki Sim ,  Chanseok Oh ,  Minjung Jung

IPC: H01L51/50 ,  H10K85/60 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/6572 ,  H10K85/626 ,  H10K85/633 ,  H10K85/636 ,  H10K85/6574 ,  H10K50/11 ,  H10K2101/10

Abstract: A light emitting device includes a first electrode, a second electrode, and at least one emission layer between the first electrode and the second electrode and includes at least one polycyclic compound represented by Formula 1 below, thereby exhibiting long service life characteristics. In Formula 1, the substituents are the same as defined in the detailed description.

公开(公告)号：US11882758B2

公开(公告)日：2024-01-23

申请号：US17029748

申请日：2020-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minjung Jung ,  Seokhwan Hwang ,  Sunyoung Pak ,  Hankyu Pak ,  Jangyeol Baek ,  Munki Sim ,  Chanseok Oh

IPC: H10K85/30 ,  C07F5/02 ,  C09K11/06 ,  H10K85/60 ,  H10K50/11

CPC classification number: H10K85/322 ,  C07F5/027 ,  C09K11/06 ,  H10K85/657 ,  C09K2211/1018 ,  H10K50/11

Abstract: A heterocyclic compound may be represented by Formula 1:




where Formula 1 is the same as described herein. An organic light-emitting device including the heterocyclic compound in, for example, an emission layer may have excellent driving voltage, luminescence efficiency, and external quantum yield.