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：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：US20250051254A1

公开(公告)日：2025-02-13

申请号：US18798273

申请日：2024-08-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Jungho Jo ,  Yunku Jung ,  Changyeol Han

IPC: C07C43/13 ,  C07F7/18 ,  C09K11/02 ,  C09K11/54 ,  C09K11/66 ,  H10K85/40 ,  H10K85/60

Abstract: A composition includes a solvent containing one or more types (kinds) of first compounds represented by Formula 1 and a metal oxide not including zinc: Z—O-L1-O-(L2-O)n—R1.  Formula 1

公开(公告)号：US11777058B2

公开(公告)日：2023-10-03

申请号：US16943829

申请日：2020-07-30

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Changhee Lee ,  Yunhyuk Ko ,  Dukki Kim ,  Jongwon Park ,  Jaekook Ha

IPC: H01L33/26 ,  H01L25/075 ,  G09F9/33

CPC classification number: H01L33/26 ,  H01L25/0753 ,  G09F9/33

Abstract: A light-emitting device (LED) includes a first semiconductor layer, a second semiconductor layer facing the first semiconductor layer, an insulating layer arranged to at least partially surround outer surfaces of the first semiconductor layer and the second semiconductor layer, and a first ligand bonded to a surface of the insulating layer and a second ligand bonded to the first ligand.

公开(公告)号：US11737294B2

公开(公告)日：2023-08-22

申请号：US16892532

申请日：2020-06-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yunku Jung ,  Hyunmi Doh ,  Jae Hong Park ,  Dongwoo Shin ,  Jaekook Ha ,  Sungwoon Kim ,  Minki Nam

IPC: H10K50/115 ,  C09K11/08 ,  C09K11/02 ,  H10K30/80 ,  H10K59/35 ,  H10K59/38 ,  H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K71/00

CPC classification number: H10K50/115 ,  C09K11/025 ,  C09K11/08 ,  H10K30/865 ,  H10K59/35 ,  H10K59/38 ,  H10K85/654 ,  H10K85/6572 ,  H10K50/15 ,  H10K50/16 ,  H10K71/00

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 body part including a charge transport moiety, and a head part bonded to the surface of the quantum dot. The quantum dot composition according may be applied to a light emitting diode and a display device to provide increased luminous efficiency and device life of the light emitting diode and the display device.

公开(公告)号：US11569467B2

公开(公告)日：2023-01-31

申请号：US16920730

申请日：2020-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung

IPC: H01L29/08 ,  H01L51/50 ,  C09K11/02 ,  C09K11/06 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A quantum dot composition of an embodiment includes: a quantum dot; a ligand combined with a surface of the quantum dot; and a ligand scavenger having a nucleophilic reaction group.

公开(公告)号：US20220098484A1

公开(公告)日：2022-03-31

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: C09K11/88 ,  H01L51/00 ,  C09K11/54

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：US20210371750A1

公开(公告)日：2021-12-02

申请号：US17334563

申请日：2021-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Jaehong Park

IPC: C09K19/12 ,  H01L51/52 ,  G02F1/13357 ,  G02F1/017 ,  C09K11/02

Abstract: A quantum rod includes a nanoparticle, and at least one ligand linked to the surface of the nanoparticle and represented by Formula 1. R1-(L1)b1-(A1)a1-(L2)b2-(A2)a2-(L3)b3-T1.  Formula 1 A light-emitting device, an optical member, and an apparatus, each includes the quantum rod.

公开(公告)号：US20240318073A1

公开(公告)日：2024-09-26

申请号：US18610489

申请日：2024-03-20

Applicant: Samsung Display Co., LTD. ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Wonjun Park ,  Bongsoo Kim ,  Myeongjae Lee ,  Yunhyuk Ko ,  Sehun Kim ,  Seonhui Baek ,  Yunku Jung ,  Hyobin Ham

IPC: C09K11/06 ,  C09K11/02 ,  H10K50/115

CPC classification number: C09K11/06 ,  C09K11/02 ,  H10K50/115

Abstract: Embodiments provide is a quantum dot composition that includes quantum dots, a cross-linking agent including four or more moieties represented by Formula A, and a mixed solvent including a first solvent, a second solvent, and a third solvent. The second solvent has a higher boiling point than the first solvent, the second solvent has a lower surface tension than the first solvent, and the third solvent includes a compound represented by Formula 3. Formula A and Formula 3 are explained in the specification:






Ar2—R2.  [Formula 3]