公开(公告)号：US20240431201A1

公开(公告)日：2024-12-26

申请号：US18614215

申请日：2024-03-22

Applicant: Samsung Display Co., Ltd.

Inventor： Heejoo Ko ,  Sunwoo Kang ,  Changwoong Chu

IPC: H10K85/60 ,  C07D209/86 ,  C07F7/08 ,  C09K11/06 ,  H10K50/11 ,  H10K50/18 ,  H10K85/40

Abstract: A light-emitting device including a heterocyclic compound and an electronic apparatus including the light-emitting device are provided. The heterocyclic compound described herein is also provided.

公开(公告)号：US20240298517A1

公开(公告)日：2024-09-05

申请号：US18370815

申请日：2023-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Naijo Tsuyoshi ,  Sungsoo Bae ,  Hojung Syn ,  Jiyoung Lee ,  Changwoong Chu

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

CPC classification number: H10K85/346 ,  C09K11/06 ,  H10K85/658 ,  C09K2211/1018 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/185 ,  H10K50/121 ,  H10K2101/30

Abstract: 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 an emission layer is provided. The emission layer includes a sensitizer and an emitter and a spectral overlap integral of an emission spectrum of the sensitizer and an absorption spectrum of the emitter is at least 1×1013 M−1 cm4. A highest occupied molecular orbital (HOMO) energy level of the sensitizer is greater than a HOMO energy level of the emitter, and the spectral overlap integral is evaluated by Equation 1:








J
⁡
(
λ
)

=


∫
0
∞



ε
⁡
(
λ
)

⁢

λ
4

⁢


F
D

(
λ
)

⁢
d
⁢

λ
.







Equation
⁢

1

公开(公告)号：US20240051981A1

公开(公告)日：2024-02-15

申请号：US18354378

申请日：2023-07-18

Applicant: Samsung Display Co., Ltd.

Inventor： Soobyung Ko ,  Eunyoung Lee ,  Iljoon Kang ,  Sujin Shin ,  Youngki Lee ,  Mina Jeon ,  Changwoong Chu

IPC: C07F15/00 ,  H10K50/12 ,  H10K85/30 ,  H10K85/60

CPC classification number: C07F15/0086 ,  H10K50/12 ,  H10K85/346 ,  H10K85/654 ,  H10K85/6572 ,  C07B2200/05 ,  H10K2101/30

Abstract: An organic 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 organometallic compound represented by Formula 1. In addition, an electronic apparatus including the light-emitting device, a composition including the organometallic compound represented by Formula 1, and an organometallic compound represented by Formula 1 are also provided.

公开(公告)号：US20230209852A1

公开(公告)日：2023-06-29

申请号：US18146163

申请日：2022-12-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoonkyoo Lee ,  Jinwon Sun ,  Changwoong Chu

IPC: H10K50/11 ,  H10K50/13 ,  C09K11/06

CPC classification number: H01L51/5004 ,  C09K11/06 ,  H01L51/504 ,  H01L51/5016 ,  H01L2251/5384

Abstract: A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes an emission layer that includes a first emission layer and a second emission layer.

公开(公告)号：US10170722B2

公开(公告)日：2019-01-01

申请号：US14633365

申请日：2015-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eungdo Kim ,  Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Changwoong Chu

IPC: H01L51/50 ,  H01L51/00

Abstract: Provided is an organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a low work function metal compound.

公开(公告)号：US20250098538A1

公开(公告)日：2025-03-20

申请号：US18816804

申请日：2024-08-27

Applicant: Samsung Display Co., LTD.

Inventor： Junha Park ,  Changwoong Chu ,  Taeil Kim ,  Jangyeol Baek ,  Munki Sim

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

Abstract: Provided are a heterocyclic compound represented by Formula 1, an organic light-emitting device including the same, and an electronic apparatus including the organic light-emitting device. Descriptions of each substituent in Formula 1 are provided in the present specification.

公开(公告)号：US20240155861A1

公开(公告)日：2024-05-09

申请号：US18335401

申请日：2023-06-15

Applicant: Samsung Display Co., LTD.

Inventor： Tsuyoshi Naijo ,  Yunjee Park ,  Sungsoo Bae ,  Hojung Syn ,  Hyosup Shin ,  Jiyoung Lee ,  Changwoong Chu

IPC: H10K50/13 ,  C07F15/00 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30

CPC classification number: H10K50/13 ,  C07F15/0086 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K85/346 ,  H10K2101/90

Abstract: Embodiments provide an organic light-emitting device and an electronic apparatus including the organic light-emitting device. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode and each including an emission layer, and m−1 charge generation layers between adjacent ones of the m light-emitting units, wherein m is an integer of 2 or more, at least one of the emission layers of the light-emitting units includes a first emission layer and a second emission layer, the first emission layer includes a first host, a second host, a first dopant, and a second dopant, the second emission layer includes a third host and a third dopant.

公开(公告)号：US11944003B2

公开(公告)日：2024-03-26

申请号：US17313493

申请日：2021-05-06

Applicant: Samsung Display Co., Ltd.

Inventor： Myeongsuk Kim ,  Sungwook Kim ,  Wonjun Song ,  Jinsoo Hwang ,  Changwoong Chu

IPC: H10K85/60 ,  H10K50/11 ,  H10K59/35

CPC classification number: H10K85/633 ,  H10K85/636 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K59/35 ,  H10K85/615 ,  H10K85/624 ,  H10K85/626 ,  H10K85/6572

Abstract: An organic light-emitting device having a low driving voltage, high efficiency, and a long lifespan is provided. The device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, a first compound, and a second compound. Various chemical structures for the first compound and the second compound are provided.

公开(公告)号：US20230165143A1

公开(公告)日：2023-05-25

申请号：US17842448

申请日：2022-06-16

Applicant: Samsung Display Co., Ltd.

Inventor： Minje Kim ,  Mieun Jun ,  Changwoong Chu

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L27/3248

Abstract: A light-emitting device in which an interlayer includes a contact layer including an electron-transporting host and a hole-transporting host is provided. The contact layer is in direct contact with an emission layer, and the emission layer includes a first dopant and a second dopant.

公开(公告)号：US20230151032A1

公开(公告)日：2023-05-18

申请号：US17985653

申请日：2022-11-11

Applicant: Samsung Display Co., Ltd.

Inventor： Yujin Kang ,  Mieun Jun ,  Changwoong Chu

IPC: C07F7/08 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52

CPC classification number: C07F7/0812 ,  H01L51/0094 ,  H01L51/0067 ,  H01L51/0072 ,  H01L51/5012 ,  H01L51/52

Abstract: A heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device are provided