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：US20240260291A1

公开(公告)日：2024-08-01

申请号：US18463115

申请日：2023-09-07

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung SUNWOO ,  SUN YOUNG PAK ,  TAEIL KIM ,  JUNHA PARK ,  JANG YEOL BAEK ,  MinJae SUNG ,  MINJUNG JUNG

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

CPC classification number: H10K50/11 ,  H10K85/346 ,  H10K85/658

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, wherein the emission layer includes a first compound represented by Formula 1, which is explained in the specification:

公开(公告)号：US20240130148A1

公开(公告)日：2024-04-18

申请号：US18362332

申请日：2023-07-31

Applicant: Samsung Display Co., LTD.

Inventor： MUN-KI SIM ,  TAEIL KIM ,  JANG YEOL BAEK ,  MinJae SUNG ,  MINJUNG JUNG ,  Seonhyoung HUR

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

CPC classification number: H10K50/11 ,  C07F5/02 ,  H10K85/346 ,  H10K85/658 ,  C07B2200/05

Abstract: Provided is a light emitting device including a first electrode, a second electrode facing 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 below.

公开(公告)号：US20240122071A1

公开(公告)日：2024-04-11

申请号：US18348682

申请日：2023-07-07

Applicant: Samsung Display Co., Ltd.

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

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

CPC classification number: H10K85/658 ,  C09K11/06 ,  H10K50/12 ,  H10K85/615 ,  H10K85/653 ,  H10K85/654 ,  H10K85/655 ,  C09K2211/104

Abstract: Embodiments provide a light emitting element 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, wherein the emission layer includes a polycyclic compound represented by Formula 1, which is explained in the specification:

公开(公告)号：US20230320216A1

公开(公告)日：2023-10-05

申请号：US18167034

申请日：2023-02-09

Applicant: Samsung Display Co., Ltd.

Inventor： MUN-KI SIM ,  JANG YEOL BAEK ,  Kyoung SUNWOO ,  MINJAE SUNG ,  CHANSEOK OH ,  MORAN HA

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

CPC classification number: H10K85/658 ,  C07F5/027 ,  C09K11/06 ,  H10K50/121

Abstract: A light emitting element is provided to include a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer may include a polycyclic compound including a boron-containing core part and an electron donating group of a dibenzoheterole skeleton.

公开(公告)号：US20230309402A1

公开(公告)日：2023-09-28

申请号：US18096107

申请日：2023-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： MUN-KI SIM ,  SERAN KIM ,  TAEIL KIM ,  JANG YEOL BAEK ,  MinJae SUNG ,  MINJUNG JUNG

IPC: H10K85/60 ,  C07F5/02 ,  H10K85/40 ,  C07F7/08 ,  H10K85/30 ,  H10K50/11

CPC classification number: H10K85/658 ,  C07F5/027 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/636 ,  H10K85/652 ,  H10K85/40 ,  C07F7/0812 ,  H10K85/346 ,  H10K50/11 ,  C07B2200/05

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, wherein the emission layer includes a first compound represented by Formula 1, which is explained in the specification:

公开(公告)号：US20230138754A1

公开(公告)日：2023-05-04

申请号：US17857616

申请日：2022-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： JIYOUNG LEE ,  TSUYOSHI NAIJO ,  JANG YEOL BAEK ,  HYOSUP SHIN

IPC: H01L51/50 ,  H01L51/00

Abstract: A 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. The emission layer includes a hole transporting host, an electron transporting host, a phosphorescent sensitizer, and a fluorescent dopant, wherein the fluorescent dopant emits light having a full width at half maximum (FWHM) equal to or less than about 20 nm. The fluorescent dopant may include a compound represented by Formula 1. Accordingly, the light emitting element according to an embodiment may exhibit enhanced color purity and long service life characteristics.

公开(公告)号：US20230132685A1

公开(公告)日：2023-05-04

申请号：US17805794

申请日：2022-06-07

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: C07F5/02 ,  H01L51/00

Abstract: An organic electroluminescent element of an embodiment includes an 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, thereby showing improved emission efficiency:

公开(公告)号：US20220149279A1

公开(公告)日：2022-05-12

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: H01L51/00 ,  C07F5/02 ,  C09K11/06

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：US20220140243A1

公开(公告)日：2022-05-05

申请号：US17519492

申请日：2021-11-04

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  C09K11/06

Abstract: A light emitting device includes 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.