公开(公告)号：US20250127056A1

公开(公告)日：2025-04-17

申请号：US18776611

申请日：2024-07-18

Applicant: Samsung Display Co., Ltd.

Inventor： Taeil Kim ,  Sunyoung Pak ,  Junha Park ,  Minjae Sung ,  Munki Sim ,  Chihyun Ryoo ,  Minjung Jung ,  Giwoong Han ,  Seonhyoung Hur

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/02 ,  C09K11/06 ,  G02F1/1335 ,  H10K50/12 ,  H10K85/40

Abstract: Embodiments provide a light-emitting device, 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, and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a dopant and a host, the dopant includes a heterocyclic compound represented by Formula 1, and the host includes a heterocyclic compound represented by Formula 2. Formula 1 and Formula 2 are explained in the specification:

公开(公告)号：US20250098539A1

公开(公告)日：2025-03-20

申请号：US18825376

申请日：2024-09-05

Applicant: Samsung Display Co., Ltd.

Inventor： Junha Park ,  Taeil Kim ,  Sunyoung Pak ,  Minjae Sung ,  Munki Sim ,  Giwoong Han ,  Seonhyoung Hur

IPC: H10K85/60 ,  C09K11/06 ,  H10K85/30 ,  H10K85/40

Abstract: Embodiments provide a heterocyclic compound, a light-emitting device including the heterocyclic compound, an electronic apparatus including the light-emitting device, and an electronic device 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 heterocyclic compound. The heterocyclic compound is represented by Formula 1, which is explained in the specification:

公开(公告)号：US12245496B2

公开(公告)日：2025-03-04

申请号：US17403040

申请日：2021-08-16

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K50/13 ,  H10K50/15 ,  H10K50/18 ,  H10K59/12 ,  H10K59/38 ,  H10K85/30 ,  H10K101/10

Abstract: A light emitting device according to 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 emission layer includes a fused polycyclic compound represented by Formula 1, which is defined in the specification.

公开(公告)号：US12122749B2

公开(公告)日：2024-10-22

申请号：US17048003

申请日：2018-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Munki Sim ,  Junha Park ,  Jangyeol Baek ,  Hyoyoung Lee ,  Soobyung Ko ,  Youngkook Kim ,  Seokhwan Hwang

IPC: H01L51/50 ,  C07D209/86 ,  H10K85/60 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18

CPC classification number: C07D209/86 ,  H10K85/6572 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18

Abstract: An organic light-emitting device includes a heterocyclic compound represented by Formula 1 as a thermally activated delayed fluorescence dopant, where D1 is a group represented by Formula 2 and Rw is selected from: —F, a cyano group, and a C1-C20 alkyl group substituted with at least one —F:

公开(公告)号：US20240341187A1

公开(公告)日：2024-10-10

申请号：US18609226

申请日：2024-03-19

Applicant: Samsung Display Co., Ltd.

Inventor： Seonhyoung Hur ,  Taeil Kim ,  Junha Park ,  Minjae Sung ,  Chanseok Oh ,  Minjung Jung

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/12 ,  H10K101/00

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  C07B2200/05 ,  C09K2211/1018 ,  H10K50/12 ,  H10K2101/90

Abstract: Embodiments provide a light-emitting device including a condensed cyclic compound and an electronic apparatus 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 is represented by Formula 1, which is explained in the specification:

公开(公告)号：US20240298537A1

公开(公告)日：2024-09-05

申请号：US18530120

申请日：2023-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Chanseok Oh ,  Sunyoung Pak ,  Junha Park ,  Kyoung Sunwoo ,  Minjae Sung ,  Munki Sim

IPC: H10K85/60 ,  C07B59/00 ,  C09K11/06

CPC classification number: H10K85/6572 ,  C07B59/004 ,  C09K11/06 ,  H10K85/6574 ,  H10K85/6576 ,  H10K85/658 ,  C07B2200/05 ,  H10K2101/20

Abstract: A light-emitting device including a heterocyclic compound and an electronic apparatus including the light-emitting device are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the two electrodes and including an emission layer. The heterocyclic compound is included in the emission layer such that the efficiency and lifespan of the light-emitting device may be enhanced or improved.

公开(公告)号：US20240260294A1

公开(公告)日：2024-08-01

申请号：US18365098

申请日：2023-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Munki Sim ,  Sunyoung Pak ,  Junha Park ,  Kyoung Sunwoo ,  Chanseok Oh ,  Changwoong Chu

IPC: H10K50/12 ,  H10K59/123 ,  H10K85/60

CPC classification number: H10K50/12 ,  H10K59/123 ,  H10K85/658 ,  H10K2101/10

Abstract: A condensed cyclic compound satisfying Expression 1, a light-emitting device including a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including the condensed cyclic compound, and an electronic apparatus and electronic equipment that include the light-emitting device are provided. Expression 1 is:


SA1/V1≤0.89 Å−1



wherein, in Expression 1,
SA1 indicates a surface area of the condensed cyclic compound, and V1 indicates a volume of the condensed cyclic compound.

公开(公告)号：US11910706B2

公开(公告)日：2024-02-20

申请号：US17210377

申请日：2021-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minjung Jung ,  Taeil Kim ,  Sunyoung Pak ,  Junha Park ,  Jangyeol Baek ,  Munki Sim ,  Chanseok Oh

IPC: H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K50/18 ,  H10K50/17

CPC classification number: H10K85/636 ,  H10K85/633 ,  H10K85/656 ,  H10K85/6572 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18

Abstract: Provided are a light-emitting device including a heterocyclic compound 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 an interlayer between the first electrode and the second electrode and including an emission layer, and the emission layer includes at least one heterocyclic compound represented by Formula 1.

公开(公告)号：US11895907B2

公开(公告)日：2024-02-06

申请号：US16597793

申请日：2019-10-09

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/54 ,  H10K85/30 ,  C07F5/02 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/322 ,  C07F5/027 ,  C09K11/06 ,  C09K2211/1018 ,  C09K2211/1022 ,  H10K50/11

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and at least one condensed cyclic compound represented by Formula 1:




wherein, in Formula 1, at least one selected from R1 to R15 is a group represented by Formula 2:

公开(公告)号：US11839151B2

公开(公告)日：2023-12-05

申请号：US16878338

申请日：2020-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： Mun-Ki Sim ,  Hankyu Pak ,  Seokhwan Hwang ,  Sun Young Pak ,  Junha Park ,  Jang Yeol Baek ,  Chanseok Oh ,  Hyoyoung Lee ,  Minjung Jung

IPC: H10K85/60 ,  C07F5/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/636 ,  C07F5/02 ,  C07F5/027 ,  C09K11/06 ,  H10K85/6572 ,  H10K85/6576 ,  H10K50/11 ,  H10K2101/10 ,  H10K2101/30

Abstract: An organic electroluminescence device of an embodiment includes a first electrode and a second electrode which face each other, and a plurality of organic layers disposed between the first electrode and the second electrode. At least one organic layer selected from the plurality of organic layers includes a fused polycyclic compound represented by Formula 1, and thus the organic electroluminescence device can exhibit improved luminous efficiency.