公开(公告)号：US20240057473A1

公开(公告)日：2024-02-15

申请号：US18349010

申请日：2023-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： HANKYU PAK ,  MINJI KIM ,  BYEONGWOOK YOO ,  Jeongmin LEE ,  SOHEE JO

IPC: H10K85/60 ,  C07C211/61 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/61 ,  C09K11/06 ,  H10K50/156

Abstract: A light emitting element of one or more embodiments includes a first electrode, a second electrode provided on the first electrode, and at least one functional layer provided between the first electrode and the second electrode, wherein the functional layer includes an amine compound including a spiro-bonded linker of two hydrocarbon rings and two amine groups connected with the linker. The light emitting element may have improved emission efficiency and element life.

公开(公告)号：US20230172054A1

公开(公告)日：2023-06-01

申请号：US17961466

申请日：2022-10-06

Applicant: Samsung Display Co., Ltd.

Inventor： EUNJAE JEONG ,  MINJI KIM ,  HYUNBIN PARK ,  Jeongmin LEE ,  JIYONG CHOI ,  SANGHYUN HAN

IPC: H01L51/00 ,  C07C211/54 ,  C07F7/08 ,  C07D307/91 ,  C07D333/76 ,  H01L51/50

CPC classification number: H01L51/0059 ,  H01L51/006 ,  C07C211/54 ,  H01L51/0052 ,  H01L51/0094 ,  C07F7/081 ,  H01L51/0073 ,  C07D307/91 ,  H01L51/0074 ,  C07D333/76 ,  H01L51/5056

Abstract: A light emitting device includes a first electrode, a second electrode disposed on the first electrode, at least one functional layer which is disposed between the first electrode and the second electrode and includes an amine compound represented by Formula 1:




wherein C1 is a substituted or unsubstituted cycloalkyl group having 6 to 12 ring-forming carbon atoms, and nx is an integer of 2 to 5.

公开(公告)号：US20220407016A1

公开(公告)日：2022-12-22

申请号：US17742081

申请日：2022-05-11

Applicant: Samsung Display Co., Ltd.

Inventor： SANGHYUN HAN ,  DONGJUN KIM ,  MINJI KIM ,  HANKYU PAK ,  EUNJAE JEONG ,  SOHEE JO

IPC: H01L51/00 ,  C07D209/88

Abstract: A luminescence 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 hole transport region contains a nitrogen-containing compound represented by Formula 1, and thus, the luminescence device may exhibit long lifespan and high efficiency. The substituents are the same as described in the detailed descriptions.

公开(公告)号：US20220199910A1

公开(公告)日：2022-06-23

申请号：US17445484

申请日：2021-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： HANKYU PAK ,  EUNJAE JEONG ,  SANGHYUN HAN ,  DONGJUN KIM ,  MINJI KIM ,  SOHEE JO

IPC: H01L51/00 ,  C07D405/12 ,  C07D409/12 ,  C07F7/08

Abstract: A light-emitting diode may include a first electrode, a second electrode, and at least one functional layer disposed between the first electrode and the second electrode, the at least one functional layer including an amine compound represented by Formula 1. The light-emitting diode may exhibit high luminous efficiency properties and improved lifetime properties.

公开(公告)号：US20240107877A1

公开(公告)日：2024-03-28

申请号：US18322760

申请日：2023-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jeong Min LEE ,  MINJI KIM ,  HANKYU PAK ,  BYEONGWOOK YOO ,  SOHEE JO

IPC: H10K85/60 ,  C07C211/61 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/61 ,  C09K11/06 ,  H10K50/156

Abstract: Embodiments provide a light emitting device that includes a first electrode, a second electrode facing the first electrode, and a plurality of functional layers disposed between the first electrode and the second electrode. At least one of the functional layers includes an amine compound represented by Formula 1, which is explained in the specification:

公开(公告)号：US20230129980A1

公开(公告)日：2023-04-27

申请号：US17835229

申请日：2022-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： HYOMIN KO ,  ILSOO OH ,  BORA LEE ,  ILLHUN CHO ,  MINJI KIM

IPC: C07C211/54 ,  C07D307/91 ,  C07D333/76 ,  C07D209/82 ,  C07D405/12 ,  C07D409/12 ,  C07F5/02 ,  H01L51/00

Abstract: A light emitting element 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, wherein the hole transport region includes a first hole transport layer disposed adjacent to the first electrode and including a first amine compound having a first refractive index, a second hole transport layer disposed between the first hole transport layer and the emission layer, and including a second amine compound having a second refractive index greater than the first refractive index, and a third hole transport layer disposed between the second hole transport layer and the emission layer, and including a third amine compound having a third refractive index less than the second refractive index, thereby having high luminous efficiency.

公开(公告)号：US20220302390A1

公开(公告)日：2022-09-22

申请号：US17537787

申请日：2021-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： SANGHYUN HAN ,  DONGJUN KIM ,  MINJI KIM ,  HANKYU PAK ,  EUNJAE JEONG ,  SOHEE JO

IPC: H01L51/00

Abstract: Provided is a light-emitting element including 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 and including an amine compound represented by Formula 1. The light-emitting element may exhibit excellent light-emitting efficiency and improved service life characteristics.

公开(公告)号：US20220255010A1

公开(公告)日：2022-08-11

申请号：US17453809

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： HANKYU PAK ,  EUNJAE JEONG ,  SANGHYUN HAN ,  DONGJUN KIM ,  MINJI KIM ,  SOHEE JO ,  YOUNGEUN CHOI

IPC: H01L51/00 ,  C07D209/88 ,  C09K11/06

Abstract: A light emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer between the first electrode and the second electrode, and the organic layer includes an amine compound represented by Formula 1. In Formula 1, the substituents are the same as respectively defined in the Detailed Description. The light emitting device may exhibit improved luminous efficiency and long service life characteristics.

公开(公告)号：US20220242104A1

公开(公告)日：2022-08-04

申请号：US17561092

申请日：2021-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： SEOIN HAN ,  MINJI KIM ,  TAEHYUN JUNG ,  HO YUN KANG ,  SUNGWOO CHO

IPC: B32B43/00 ,  H05K13/04 ,  B32B38/18

Abstract: A dummy removal device includes a picker picking a point of a dummy portion of a preliminary display module and moving in a first moving direction to separate a first portion of the dummy portion from the preliminary display module; and a separator disposed adjacent to the separated first portion and moving in a second moving direction intersecting the first moving direction to remove a second portion of the dummy portion from the preliminary display module, and the dummy portion is disposed around an effective portion of the preliminary display module.

公开(公告)号：US20220115597A1

公开(公告)日：2022-04-14

申请号：US17362764

申请日：2021-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： DONGJUN KIM ,  HANKYU PAK ,  EUNJAE JEONG ,  SANGHYUN HAN ,  MINJI KIM ,  SOHEE JO

IPC: H01L51/00

Abstract: Provided is a light emitting element including a first electrode, a second electrode, and at least one functional layer between the first electrode and the second electrode, and the at least one functional layer may include an amine compound represented by Formula 1 below, thereby exhibiting high luminous efficiency and improved service life characteristics.