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：US20250098538A1

公开(公告)日：2025-03-20

申请号：US18816804

申请日：2024-08-27

Applicant: Samsung Display Co., LTD.

Inventor： Junha Park ,  Changwoong Chu ,  Taeil Kim ,  Jangyeol Baek ,  Munki Sim

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12

Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device. Descriptions of each substituent in Formula 1 are provided in the present specification.

公开(公告)号：US20240341188A1

公开(公告)日：2024-10-10

申请号：US18610579

申请日：2024-03-20

Applicant: Samsung Display Co., Ltd.

Inventor： Taeil Kim ,  Junha Park ,  Sunyoung Pak ,  Jangyeol Baek ,  Kyoung Sunwoo ,  Munki Sim ,  Minjung Jung

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12 ,  H10K101/30

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/12 ,  H10K2101/30

Abstract: Embodiments provide a condensed cyclic compound, a light-emitting device including the condensed cyclic compound, an electronic apparatus including the light-emitting device, and an electronic equipment including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the condensed cyclic compound. The condensed cyclic compound satisfies Expression 1, which is explained in the specification:









E
⁡
(

S
1

)

-

E
⁡
(

T
2

)


>


E
⁡
(

T
2

)

-


E
⁡
(

T
1

)

.






[

Expression
⁢

1

]

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：US11758801B2

公开(公告)日：2023-09-12

申请号：US17176714

申请日：2021-02-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyoyoung Lee ,  Hankyu Pak ,  Taeil Kim ,  Sun Young Pak ,  Jang Yeol Baek ,  Minjung Jung

IPC: H01L51/00 ,  H10K85/30 ,  C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K101/10

CPC classification number: H10K85/322 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K2101/10

Abstract: An organic electroluminescence device of an embodiment includes a first electrode facing a second electrode, and a plurality of organic layers between the first electrode and the second electrode, wherein at least one organic layer among the plurality of organic layers includes a fused polycyclic compound represented by Formula 1 below, thereby showing improved emission efficiency.