公开(公告)号：US20250127049A1

公开(公告)日：2025-04-17

申请号：US18915630

申请日：2024-10-15

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunah Um ,  Hyeongmin Kim ,  Heechoon Ahn ,  Juhui Yun ,  Yeseul Lee ,  Moran Ha

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K85/40

Abstract: Embodiments provide a composition, a light-emitting device that includes the composition, an electronic apparatus that includes the light-emitting device, and an electronic equipment that includes the electronic apparatus. The composition includes a first compound represented by Formula 1 and a second compound represented by Formula 2, which are explained in the specification:

公开(公告)号：US20250120313A1

公开(公告)日：2025-04-10

申请号：US18883228

申请日：2024-09-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Tsuyoshi Naijo ,  Seran Kim ,  Sungsoo Bae ,  Hyosup Shin ,  Changwoong Chu ,  Moran Ha

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K85/30 ,  H10K85/40 ,  H10K101/00 ,  H10K101/25 ,  H10K101/30

Abstract: Embodiments provide a light-emitting device that includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound that is an organometallic compound, and a fourth compound that is a boron-containing compound. The fourth compound has a difference (ΔEST) between a lowest excitation singlet energy level and a lowest excitation triplet energy level less than or equal to about 0.4 eV; and the light-emitting device satisfies Condition 1 or Condition 2, which are explained in the specification: KFRET>Krt  [Condition 1] R0>RDA.  [Condition 2]

公开(公告)号：US20240268228A1

公开(公告)日：2024-08-08

申请号：US18542200

申请日：2023-12-15

Applicant: Samsung Display Co., Ltd.

Inventor： Moran Ha ,  Heechoon Ahn ,  Hyunah Um ,  Yeseul Lee ,  Seowon Cho ,  Jiyong Choi

IPC: H10K85/60 ,  C07D405/14 ,  C07F7/08 ,  C09K11/06 ,  H10K85/40

CPC classification number: H10K85/6574 ,  C07D405/14 ,  C07F7/0812 ,  C09K11/06 ,  H10K85/40 ,  H10K85/6572 ,  H10K50/11

Abstract: A composition including a first compound represented by Formula 1 and a second compound represented by Formula 2, a light-emitting device including the composition, and an electronic apparatus including the light-emitting device are provided.

公开(公告)号：US20240334826A1

公开(公告)日：2024-10-03

申请号：US18610058

申请日：2024-03-19

Applicant: Samsung Display Co., LTD.

Inventor： Juhui Yun ,  Youngjin Park ,  Heechoon Ahn ,  Yeseul Lee ,  Jiyong Choi ,  Moran Ha

IPC: H10K85/60 ,  C07F7/08 ,  H10K50/11 ,  H10K85/30

CPC classification number: H10K85/6572 ,  C07F7/0812 ,  H10K50/11 ,  H10K85/346 ,  H10K85/654

Abstract: Provided are a light-emitting device including a heterocyclic compound represented by Formula 1 and an electronic device including the light-emitting device. In addition, provided is the heterocyclic compound represented by Formula 1. The detailed description of Formula 1 is as set forth in the present specification.

公开(公告)号：US20240260290A1

公开(公告)日：2024-08-01

申请号：US18406939

申请日：2024-01-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyong Choi ,  Heechoon Ahn ,  Hyunah Um ,  Yeseul Lee ,  Hyoyoung Lee ,  Seowon Cho ,  Moran Ha

IPC: H10K50/11 ,  C07D403/14 ,  C07D405/14 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K50/11 ,  C07D403/14 ,  C07D405/14 ,  H10K85/346 ,  H10K85/6572 ,  H10K85/658

Abstract: A composition includes a first compound represented by Formula 1 and a second compound represented by Formula 2. A light-emitting device includes the two compounds, a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer, and an electronic apparatus and electronic equipment each including the light-emitting device. The triplet (T1) energy levels of the two compounds are configured such that the luminescence efficiency and lifetime of the light-emitting device may be enhanced or improved.

公开(公告)号：US20240260462A1

公开(公告)日：2024-08-01

申请号：US18412155

申请日：2024-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Yeseul Lee ,  Youngjin Park ,  Heechoon Ahn ,  Seowon Cho ,  Jiyong Choi ,  Moran Ha

IPC: H10K85/60 ,  C07D487/06 ,  C07F7/08 ,  C09K11/06 ,  H10K50/11 ,  H10K85/40

CPC classification number: H10K85/6572 ,  C07D487/06 ,  C07F7/0812 ,  C09K11/06 ,  H10K85/40 ,  H10K85/6574 ,  C09K2211/1018 ,  H10K50/11

Abstract: A light-emitting device including a heterocyclic compound, an electronic apparatus including the light-emitting device, and the heterocyclic compound are provided. The light-emitting device also includes a first electrode, a second electrode facing the first electrode, and an interlayer between the two electrodes and including an emission layer. The triplet energy level and glass transition temperature of the heterocyclic compound are configured such that the luminescence efficiency and lifespan of the light-emitting device may be enhanced or improved.

公开(公告)号：US20240180031A1

公开(公告)日：2024-05-30

申请号：US18322402

申请日：2023-05-23

Applicant: Samsung Display Co., LTD.

Inventor： Hyoyoung Lee ,  Hyeongmin Kim ,  Juhui Yun ,  Yeseul Lee ,  Jiyong Choi ,  Moran Ha

IPC: H10K85/60 ,  H10K50/12

CPC classification number: H10K85/6572 ,  H10K50/12 ,  H10K85/654 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/20

Abstract: Provided are a light-emitting device including a heterocyclic compound represented by Formula 1, an electronic apparatus including the light-emitting device, and the heterocyclic compound represented by Formula 1, wherein the description of Formula 1 is as described herein:

公开(公告)号：US20240164208A1

公开(公告)日：2024-05-16

申请号：US18199844

申请日：2023-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunah Um ,  Heechoon Ahn ,  Seowon Cho ,  Jiyong Choi ,  Moran Ha

IPC: H10K85/60 ,  C07D403/04 ,  C07D403/14 ,  C07F7/08 ,  C09K11/06 ,  H10K85/40

CPC classification number: H10K85/6572 ,  C07D403/04 ,  C07D403/14 ,  C07F7/0812 ,  C09K11/06 ,  H10K85/40 ,  H10K85/615 ,  H10K85/654 ,  H10K50/166

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer arranged between the first electrode and the second electrode and including an emission layer, and an organic compound represented by Formula 1:

公开(公告)号：US20250143172A1

公开(公告)日：2025-05-01

申请号：US18931466

申请日：2024-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Hyosup Shin ,  Changwoong Chu ,  Moran Ha

IPC: H10K85/40 ,  C09K11/02 ,  C09K11/06 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K85/60 ,  H10K101/10 ,  H10K101/25 ,  H10K101/30 ,  H10K101/70

Abstract: Embodiments provide a light-emitting device, an electronic apparatus that includes the light-emitting device, and an electronic equipment that includes 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. The interlayer includes an emission layer, a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound including at least one nitrogen atom (N) as a ring-forming atom, and a fourth compound that is a nitrogen-containing compound.

公开(公告)号：US20240341180A1

公开(公告)日：2024-10-10

申请号：US18600942

申请日：2024-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Moran Ha ,  Heechoon Ahn ,  Juhui Yun ,  Yeseul Lee ,  Seowon Cho ,  Jiyong Choi

IPC: H10K85/60 ,  C07D471/04 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/6572 ,  C07D471/04 ,  C09K11/06 ,  C09K2211/1018 ,  H10K50/11

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