公开(公告)号：US12173209B2

公开(公告)日：2024-12-24

申请号：US17450252

申请日：2021-10-07

Applicant: Samsung Display Co., Ltd. ,  NIC LAB Co.,LTD.

Inventor： Yunku Jung ,  Changhee Lee ,  Hanyoung Choi ,  Yunhyuk Ko ,  Changho Cho ,  Jaekook Ha

IPC: C09K11/02 ,  B82Y20/00 ,  B82Y40/00 ,  C09D5/22 ,  C09D11/037 ,  C09D11/50 ,  C09D11/52 ,  C09K11/08 ,  C09K11/88 ,  H01L33/50 ,  H10K50/115

Abstract: A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: A1 is an anchoring group linked to the surface of the nanoparticle, and A1 may be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

公开(公告)号：US12139652B2

公开(公告)日：2024-11-12

申请号：US17450252

申请日：2021-10-07

Applicant: Samsung Display Co., Ltd. ,  NIC LAB Co.,LTD.

Inventor： Yunku Jung ,  Changhee Lee ,  Hanyoung Choi ,  Yunhyuk Ko ,  Changho Cho ,  Jaekook Ha

IPC: C09K11/02 ,  B82Y20/00 ,  B82Y40/00 ,  C09D5/22 ,  C09D11/037 ,  C09D11/50 ,  C09D11/52 ,  C09K11/08 ,  C09K11/88 ,  H01L33/50 ,  H10K50/115

Abstract: A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: A1 is an anchoring group linked to the surface of the nanoparticle, and A1 may be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

公开(公告)号：US20220112425A1

公开(公告)日：2022-04-14

申请号：US17450252

申请日：2021-10-07

Applicant: Samsung Display Co., Ltd. ,  NIC LAB Co.,LTD.

Inventor： Yunku Jung ,  Changhee Lee ,  Hanyoung Choi ,  Yunhyuk Ko ,  Changho Cho ,  Jaekook Ha

IPC: C09K11/02 ,  C09K11/88 ,  C09K11/08 ,  C09D11/50 ,  C09D11/52 ,  C09D11/037 ,  H01L51/00 ,  H01L51/50

Abstract: A quantum dot includes: a nanoparticle; and a ligand represented by Formula 1 on a surface of the nanoparticle: A1 is an anchoring group linked to the surface of the nanoparticle, and A1 may be selected from groups represented by Formulae A-1 to A-4: wherein * in Formulae A-1 to A-4 indicates a binding site to a neighboring atom.

公开(公告)号：US12122952B2

公开(公告)日：2024-10-22

申请号：US17448820

申请日：2021-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Myoungjin Park ,  Yunku Jung ,  Jonghoon Kim ,  Sungwoon Kim ,  Jaekook Ha

IPC: C09K11/02 ,  C09K11/08 ,  C09K11/54 ,  C09K11/56 ,  C09K11/88 ,  H10K71/13 ,  H10K71/15 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H10K50/11 ,  H10K50/115 ,  H10K71/00 ,  H10K101/10 ,  H10K102/00

CPC classification number: C09K11/883 ,  C09K11/54 ,  H10K71/135 ,  H10K71/15 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H10K50/11 ,  H10K50/115 ,  H10K71/00 ,  H10K2101/10 ,  H10K2102/00

Abstract: An inorganic nanoparticle composition includes an inorganic nanoparticle and a highly fluorinated solvent, and the inorganic nanoparticle includes an inorganic material and a F-containing charge-transporting organic ligand. A light-emitting device with the inorganic nanoparticle composition, for example, as a material for forming at least a portion of an electron transport region in the light-emitting device. An electronic apparatus includes the light-emitting device.

公开(公告)号：US11866627B2

公开(公告)日：2024-01-09

申请号：US17192388

申请日：2021-03-04

Applicant: Samsung Display Co., Ltd.

Inventor： Changhee Lee ,  Dukki Kim ,  Hyojin Ko ,  Sehun Kim ,  Jaehoon Kim ,  Hyunmi Doh ,  Yunku Jung ,  Jaekook Ha

IPC: C09K11/06 ,  C07C309/30 ,  C07C53/00 ,  C07C63/08 ,  C07F9/54 ,  C07C43/10 ,  C07C211/09 ,  C07C309/04 ,  H10K85/60 ,  H10K50/115 ,  H10K71/00 ,  H10K71/15

CPC classification number: C09K11/06 ,  C07C43/10 ,  C07C53/00 ,  C07C63/08 ,  C07C211/09 ,  C07C309/04 ,  C07C309/30 ,  C07F9/5407 ,  C07F9/5442 ,  H10K85/60 ,  C09K2211/10 ,  C09K2211/1007 ,  H10K50/115 ,  H10K71/00 ,  H10K71/15

Abstract: A quantum dot composition includes a quantum dot, and a ligand bonded to a surface of the quantum dot, wherein the ligand includes a head portion bonded to the surface of the quantum dot and containing a polar solvent dissociative functional group, and a tail portion connected to the head portion. A quantum dot composition according to an embodiment is used to form an emission layer of a light emitting element to enhance luminous efficiency of the light emitting element including an emission layer formed through the quantum dot composition.

公开(公告)号：US11859116B2

公开(公告)日：2024-01-02

申请号：US17356463

申请日：2021-06-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yunku Jung ,  Hyekyoung Choi ,  Sungwoon Kim ,  Jaekook Ha

IPC: C09K11/62 ,  C09K11/56 ,  C09K11/88 ,  C09K11/70 ,  C09K11/02 ,  C09K11/08 ,  B82Y20/00 ,  B82Y40/00 ,  H10K50/115

CPC classification number: C09K11/626 ,  C09K11/025 ,  C09K11/0883 ,  C09K11/565 ,  C09K11/70 ,  C09K11/883 ,  B82Y20/00 ,  B82Y40/00 ,  H10K50/115

Abstract: A quantum dot composition may include: a first solvent; a second solvent different from the first solvent; first quantum dots including a hole-transporting ligand; and second quantum dots including an electron-transporting ligand, wherein the first solvent and the second solvent are miscible solvents having different boiling points from each other, a degree of dispersion of the first quantum dots is greater in the first solvent than in the second solvent, and a degree of dispersion of the second quantum dots is greater in the second solvent than in the first solvent.

公开(公告)号：US20230313034A1

公开(公告)日：2023-10-05

申请号：US18194764

申请日：2023-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Changhee Lee ,  Dukki Kim ,  Wonjun Park ,  Jongwoo Shin ,  Sangyeop Lee ,  Jaekook Ha

IPC: C09K11/08 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  B82Y30/00 ,  B82Y40/00

CPC classification number: C09K11/0811 ,  H10K50/115 ,  C09K11/0816 ,  H10K50/15 ,  H10K50/16 ,  B82Y30/00 ,  B82Y40/00

Abstract: Embodiments provide a method of preparing a metal oxide composition, a light-emitting device including a metal oxide layer formed using a metal oxide composition prepared by the method, and an electronic apparatus including the light-emitting device. The method includes preparing a first metal oxide particle, and forming a metal oxide particle by adding a halide compound to the first metal oxide particle, and treating the first metal oxide particle with the halide compound at a temperature equal to or less than about 60° C.

公开(公告)号：US20230284523A1

公开(公告)日：2023-09-07

申请号：US18149432

申请日：2023-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Juyon Lee ,  Jingoo Kang ,  Jaekook Ha ,  Yonghwi Kim ,  Jonghoon Kim ,  Myoungjin Park ,  Sanghee Yu

IPC: H10K85/60 ,  H10K71/10

CPC classification number: H10K85/655 ,  H10K71/10 ,  H10K85/60 ,  H10K50/115

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, the interlayer including an emission layer; and an electron transport region between the second electrode and the emission layer, wherein the first electrode may be an anode, the second electrode may be a cathode, and the electron transport region may include an acid generator.

公开(公告)号：US11697763B2

公开(公告)日：2023-07-11

申请号：US17356463

申请日：2021-06-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yunku Jung ,  Hyekyoung Choi ,  Sungwoon Kim ,  Jaekook Ha

IPC: C09K11/62 ,  C09K11/56 ,  C09K11/88 ,  C09K11/70 ,  C09K11/02 ,  C09K11/08 ,  B82Y20/00 ,  B82Y40/00 ,  H10K50/115

CPC classification number: C09K11/626 ,  C09K11/025 ,  C09K11/0883 ,  C09K11/565 ,  C09K11/70 ,  C09K11/883 ,  B82Y20/00 ,  B82Y40/00 ,  H10K50/115

Abstract: A quantum dot composition may include: a first solvent; a second solvent different from the first solvent; first quantum dots including a hole-transporting ligand; and second quantum dots including an electron-transporting ligand, wherein the first solvent and the second solvent are miscible solvents having different boiling points from each other, a degree of dispersion of the first quantum dots is greater in the first solvent than in the second solvent, and a degree of dispersion of the second quantum dots is greater in the second solvent than in the first solvent.

公开(公告)号：US11437586B2

公开(公告)日：2022-09-06

申请号：US16588247

申请日：2019-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jaekook Ha

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device includes: an anode; a cathode facing the anode; an emission layer between the anode and the cathode; and an electron control layer between the emission layer and the cathode, wherein the electron control layer includes an electron control compound represented by Formula 5: A method of manufacturing the light-emitting device includes: forming an emission layer on an anode; and forming an electron control layer on the emission layer, wherein the electron control layer includes an electron control compound represented by Formula 5.