公开(公告)号：US20240407263A1

公开(公告)日：2024-12-05

申请号：US18640976

申请日：2024-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： TAEIL KIM ,  SUN YOUNG PAK ,  JUNHA PARK ,  MinJae SUNG ,  MUN-KI SIM ,  CHANSEOK OH ,  MINJUNG JUNG ,  Giwoong HAN ,  Seonhyoung HUR

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

Abstract: A light-emitting element including a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode is provided. The light-emitting layer includes a fused polycyclic compound having a pentacyclic core that includes three aromatic rings fused by one boron and two nitrogen atoms. A first substituent that excludes hydrogen and deuterium is connected to the pentacyclic core at an ortho-position of the boron.

公开(公告)号：US20240180033A1

公开(公告)日：2024-05-30

申请号：US18347814

申请日：2023-07-06

Applicant: Samsung Display Co., Ltd.

Inventor： CHANSEOK OH ,  SUN YOUNG PAK ,  JUNHA PARK ,  Kyoung SUNWOO ,  MUN-KI SIM

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

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  H10K50/12

Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the at least one functional layer includes a first compound represented by Formula 1, and at least one of a second compound represented by Formula HT or a third compound represented by Formula ET, thereby exhibiting low voltage, high efficiency, and long service life characteristics. Formulas 1, HT, and ET are each explained in the specification.

公开(公告)号：US20230309401A1

公开(公告)日：2023-09-28

申请号：US18089887

申请日：2022-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： TAEIL KIM ,  SUN YOUNG PAK ,  JUNHA PARK ,  JANG YEOL BAEK ,  Kyoung SUNWOO ,  MUN-KI SIM ,  CHANSEOK OH ,  MINJUNG JUNG

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

CPC classification number: H10K85/658 ,  H10K85/6572 ,  H10K85/654 ,  H10K85/346 ,  C09K11/06 ,  H10K85/40 ,  H10K50/12

Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer includes: a first compound represented by Formula 1; and at least one of a second compound, a third compound 3, and a fourth compound, thereby showing improved emission efficiency and device life.

公开(公告)号：US20230279027A1

公开(公告)日：2023-09-07

申请号：US18104683

申请日：2023-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： MUN-KI SIM ,  SUN YOUNG PAK ,  SERAN KIM ,  TAEIL KIM ,  JUNHA PARK ,  MINJUNG JUNG

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

CPC classification number: C07F5/027 ,  H10K85/658 ,  H10K85/6572 ,  H10K85/6574 ,  H10K50/11 ,  C07B2200/05

Abstract: A light emitting element includes an emission layer. The emission layer includes a polycyclic compound having a fused ring core portion containing at least two boron atoms as ring-forming atoms, and further includes a substituent positioned para to each of the boron atoms, and may thus exhibit high efficiency and long lifespan characteristics.

公开(公告)号：US20230019844A1

公开(公告)日：2023-01-19

申请号：US17703060

申请日：2022-03-24

Applicant: Samsung Display Co., Ltd.

Inventor： MUN-KI SIM ,  TAEIL KIM ,  SUN YOUNG PAK ,  JUNHA PARK ,  JANG YEOL BAEK ,  Kyoung SUNWOO ,  CHANSEOK OH ,  MINJUNG JUNG

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

Abstract: A light emitting device 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.

公开(公告)号：US20220310922A1

公开(公告)日：2022-09-29

申请号：US17549384

申请日：2021-12-13

Applicant: Samsung Display Co., Ltd.

Inventor： CHANSEOK OH ,  TAEIL KIM ,  SUN YOUNG PAK ,  JUNHA PARK ,  JANG YEOL BAEK ,  Kyoung SUNWOO ,  MUN-KI SIM ,  MINJUNG JUNG

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

Abstract: A light emitting diode includes a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and containing a condensed polycyclic compound represented by Formula 1. The first electrode and the second electrode each independently contain at least one selected from Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF, Mo, Ti, W, In, Sn, and Zn, compounds selected thereof, and mixtures thereof. The light emitting diode may achieve improved luminous efficiency:

公开(公告)号：US20220190249A1

公开(公告)日：2022-06-16

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: H01L51/00 ,  C07F5/02 ,  C09K11/06

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：US20250107440A1

公开(公告)日：2025-03-27

申请号：US18741994

申请日：2024-06-13

Applicant: Samsung Display Co., Ltd.

Inventor： MINJUNG JUNG ,  Hirokazu MIYASHITA ,  TAEIL KIM ,  SUN YOUNG PAK ,  MinJae SUNG ,  Seonhyoung HUR

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

Abstract: Embodiments provide a fused polycyclic compound, a light emitting element including the fused polycyclic compound, and a display device including the light emitting element. The light emitting element includes a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode and including the fused polycyclic compound. The fused polycyclic compound is represented by Formula 1, which is explained in the specification.

公开(公告)号：US20230413670A1

公开(公告)日：2023-12-21

申请号：US18192884

申请日：2023-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： SUN YOUNG PAK ,  TAEIL KIM ,  JANG YEOL BAEK ,  MinJae SUNG ,  MINJUNG JUNG ,  Seonhyoung HUR

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

CPC classification number: H10K85/658 ,  C07F5/027 ,  H10K85/6574 ,  H10K85/6572 ,  H10K85/346 ,  H10K50/11 ,  C07B2200/05

Abstract: Embodiments provide a fused polycyclic compound and a light emitting device that includes the fused polycyclic compound. The light emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode the second electrode. The emission layer includes the fused polycyclic compound as a first compound, and the emission layer includes at least one of a second compound or a third compound. The fused polycyclic compound is represented by Formula 1, which is explained in the specification.

公开(公告)号：US20230284529A1

公开(公告)日：2023-09-07

申请号：US18117302

申请日：2023-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： JUNHA PARK ,  TAEIL KIM ,  MUN-KI SIM ,  SERAN KIM ,  SUN YOUNG PAK ,  JANG YEOL BAEK

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

CPC classification number: H10K85/658 ,  H10K50/11 ,  H10K85/6572 ,  C07F5/027 ,  H10K85/346 ,  H10K2102/302

Abstract: A light emitting device that includes a first electrode, a second electrode oppositely disposed to the first electrode, and an emission layer disposed between the first electrode and the second electrode is provided. The emission layer includes a first compound represented by Formula 1.