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：US20240324443A1

公开(公告)日：2024-09-26

申请号：US18604793

申请日：2024-03-14

Applicant: Samsung Display Co., Ltd.

Inventor： Soobyung Ko ,  Changwoong Chu ,  IIjoon Kang ,  Seihwan Ahn ,  Eunyoung Lee ,  Jihyung Lee ,  Junghoon Han

IPC: H10K85/30 ,  C07F15/00 ,  C09K11/06 ,  H10K50/11

CPC classification number: H10K85/346 ,  C07F15/0086 ,  C09K11/06 ,  C09K2211/1044 ,  C09K2211/185 ,  H10K50/11

Abstract: Embodiments provide an organometallic compound, a light-emitting device including the organometallic compound, an electronic apparatus including the light-emitting device, and an electronic including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the organometallic compound. The organometallic compound is represented by Formula 1, which is explained in the specification.

公开(公告)号：US20240260294A1

公开(公告)日：2024-08-01

申请号：US18365098

申请日：2023-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Munki Sim ,  Sunyoung Pak ,  Junha Park ,  Kyoung Sunwoo ,  Chanseok Oh ,  Changwoong Chu

IPC: H10K50/12 ,  H10K59/123 ,  H10K85/60

CPC classification number: H10K50/12 ,  H10K59/123 ,  H10K85/658 ,  H10K2101/10

Abstract: A condensed cyclic compound satisfying Expression 1, 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 the condensed cyclic compound, and an electronic apparatus and electronic equipment that include the light-emitting device are provided. Expression 1 is:


SA1/V1≤0.89 Å−1



wherein, in Expression 1,
SA1 indicates a surface area of the condensed cyclic compound, and V1 indicates a volume of the condensed cyclic compound.

公开(公告)号：US20240008361A1

公开(公告)日：2024-01-04

申请号：US18306364

申请日：2023-04-25

Applicant: Samsung Display Co., Ltd.

Inventor： Heejoo Ko ,  Sunwoo Kang ,  Pyungeun Jeon ,  Changwoong Chu

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

CPC classification number: H10K85/636 ,  C09K11/06 ,  H10K85/6572 ,  H10K85/40 ,  H10K85/346 ,  H10K85/654 ,  H10K50/12

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, wherein the interlayer includes an emission layer, a hole transport layer, and an electron transport layer. The emission layer includes an electron transport host compound and a dopant. A hole mobility of the hole transport layer is greater than 1×10−4 cm2/Vs, an electron mobility of the electron transport layer is greater than 1×10−5 cm2/Vs, and an electron mobility of the electron transport host compound is less than 1×10−8 cm2/Vs.

公开(公告)号：US20230189544A1

公开(公告)日：2023-06-15

申请号：US18064108

申请日：2022-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Jungsub Lee ,  Changwoong Chu

IPC: H10K50/15 ,  H10K50/11 ,  H10K85/60 ,  H10K50/16 ,  H10K85/40

CPC classification number: H01L51/5056 ,  H01L51/0064 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0074 ,  H01L51/0094 ,  H01L51/5012 ,  H01L51/5072

Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; a first compound represented by Formula 1; and a second compound including at least one π electron-deficient nitrogen-containing C1-C60 cyclic group. The details of Formula 1 are the same as described in the detailed description.

公开(公告)号：US11018304B2

公开(公告)日：2021-05-25

申请号：US16861571

申请日：2020-04-29

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  H01L51/50 ,  H01L27/32

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.