公开(公告)号：US20250143162A1

公开(公告)日：2025-05-01

申请号：US19005805

申请日：2024-12-30

Applicant: Samsung Display Co., LTD.

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

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

Abstract: Provided is a light emitting device including a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer may include a condensed cyclic compound represented by Formula 1 below, thereby exhibiting high luminous efficiency and improved service life characteristics.

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：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：US20220271228A1

公开(公告)日：2022-08-25

申请号：US17673713

申请日：2022-02-16

Applicant: Samsung Display Co., Ltd.

Inventor： Chanseok OH ,  Seran KIM ,  Taeil KIM ,  Sunyoung PAK ,  Junha PARK ,  Jangyeol BAEK ,  Kyoung SUNWOO ,  Munki SIM ,  Minjung JUNG

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

Abstract: A 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 at least one fused cyclic compound of Formula 1: wherein, in Formula 1, the variables are defined herein.

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：US20240179931A1

公开(公告)日：2024-05-30

申请号：US18355335

申请日：2023-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： CHANSEOK OH ,  JUNHA PARK ,  Kyoung SUNWOO ,  MinJae SUNG ,  MUN-KI SIM ,  CHANGWOONG CHU

IPC: H10K50/11 ,  C09K11/06 ,  H10K50/805 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K50/11 ,  C09K11/06 ,  H10K50/805 ,  H10K85/346 ,  H10K85/658 ,  C09K2211/1048

Abstract: A light emitting device may include a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first compound represented by Formula 1.

公开(公告)号：US20230403934A1

公开(公告)日：2023-12-14

申请号：US18122266

申请日：2023-03-16

Applicant: Samsung Display Co., Ltd.

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

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

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  H10K50/11

Abstract: Embodiments provide a polycyclic compound and a light emitting element that includes the polycyclic compound. The light emitting element exhibits high efficiency and long service life characteristics. 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 polycyclic compound, wherein the polycyclic compound is represented by Formula 1, which is explained in the specification:

公开(公告)号：US20230232715A1

公开(公告)日：2023-07-20

申请号：US17992745

申请日：2022-11-22

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung SUNWOO ,  TAEIL KIM ,  JUNHA PARK ,  MinJae SUNG ,  MUN-KI SIM ,  MINJUNG JUNG

IPC: H10K85/60 ,  H10K85/30 ,  H10K50/15

CPC classification number: H01L51/0072 ,  H01L51/0073 ,  H01L51/008 ,  H01L51/0074 ,  H01L51/5056

Abstract: A light emitting device that includes a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode is provided. The emission layer includes a first compound represented by Formula 1, and at least one of a second compound represented Formula H-1, a third compound represented Formula H-2, or a fourth compound represented Formula D-2, thereby exhibiting improved luminous efficiency characteristics.