公开(公告)号：US20240138253A1

公开(公告)日：2024-04-25

申请号：US18478491

申请日：2023-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jungho Jo ,  Yunku Jung ,  Yunhyuk Ko ,  Chulsoon Park ,  Sooho Lee

IPC: H10K85/30 ,  C07F3/06 ,  H10K50/115 ,  H10K50/16 ,  H10K50/17 ,  H10K59/12

CPC classification number: H10K85/381 ,  C07F3/06 ,  H10K50/115 ,  H10K50/16 ,  H10K50/171 ,  H10K59/12

Abstract: A metal oxide nanoparticle includes a ligand linked to a surface of the metal oxide nanoparticle, where the ligand includes a first ligand and a second ligand, the first ligand includes a C1-C60 alkylamine compound and/or a C2-C60 alkenylamine compound, and the second ligand includes a C6-C60 alkylthiol compound and/or a phosphine compound.

公开(公告)号：US20230242816A1

公开(公告)日：2023-08-03

申请号：US18103384

申请日：2023-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Yunhyuk Ko ,  Chulsoon Park ,  Yohan Suh ,  Sooho Lee ,  Changyeol Han

IPC: C09K11/88 ,  C09K11/08

CPC classification number: C09K11/883 ,  C09K11/0883 ,  B82Y20/00

Abstract: A quantum dot, a method of preparing the same, and an electronic apparatus including the same. The quantum dot includes: a core; and a shell around at least portion of the core. The core may include a first semiconductor compound including indium (In) and phosphorus (P), and in the first semiconductor compound, a ratio between the number of moles (mol) of In and the number of moles (mol) of P (MIn/MP) may be greater than 1.

公开(公告)号：US20220228052A1

公开(公告)日：2022-07-21

申请号：US17560951

申请日：2021-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Chulsoon Park ,  Donghee Lee

IPC: C09K11/02 ,  C01G15/00 ,  C09K11/70

Abstract: A quantum dot-containing material includes: a quantum dot; and at least one ligand chemically bonded to the surface of the quantum dot and represented by a certain formula. A composition and an electronic apparatus, each include the quantum dot-containing material.

公开(公告)号：US20230265305A1

公开(公告)日：2023-08-24

申请号：US18169020

申请日：2023-02-14

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Yohan Suh ,  Yunhyuk Ko ,  Chulsoon Park ,  Sooho Lee

IPC: C09D11/50 ,  H10K50/115 ,  C09D11/033 ,  H10K85/30 ,  B82Y30/00 ,  C09K11/88

CPC classification number: C09D11/50 ,  H10K50/115 ,  C09D11/033 ,  H10K85/30 ,  B82Y30/00 ,  C09K11/883

Abstract: An ink composition for a light-emitting device may include: quantum dots; and a mixed solvent of a first solvent, a second solvent, and a third solvent, wherein the first solvent may be a C6-C50 aromatic hydrocarbon, the second solvent may be a C1-C20 aliphatic hydrocarbon, and the third solvent may be a ternary alkyl phosphine and/or a ternary alkyl amine.

公开(公告)号：US20240317599A1

公开(公告)日：2024-09-26

申请号：US18512784

申请日：2023-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jungho Jo ,  Yunku Jung ,  Chulsoon Park

IPC: C01G9/02 ,  B82Y20/00 ,  B82Y30/00 ,  C09D11/30 ,  C09K11/54 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30

CPC classification number: C01G9/02 ,  B82Y20/00 ,  B82Y30/00 ,  C09D11/30 ,  C09K11/54 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K85/381

Abstract: A nanocomposite including a metal oxide nanoparticle and a hydrophilic ligand is provided. The nanocomposite is a component of an ink composition, a light-emitting device, an electronic apparatus, and electronic equipment.

公开(公告)号：US12101993B2

公开(公告)日：2024-09-24

申请号：US17216330

申请日：2021-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jaebok Chang ,  Maksym V. Kovalenko ,  Viktoriia Morad ,  Kawon Pak ,  Chulsoon Park ,  Duckjong Suh ,  Baekhee Lee ,  Junwoo Lee ,  Taekjoon Lee

IPC: H10K85/30 ,  C07F7/22 ,  C07F7/24 ,  C07F7/30 ,  G02B1/04 ,  G02B5/20 ,  H10K50/11 ,  H10K59/38

CPC classification number: H10K85/30 ,  C07F7/2208 ,  C07F7/24 ,  C07F7/30 ,  G02B1/04 ,  G02B5/20 ,  H10K50/11 ,  H10K59/38

Abstract: Provided are an organometallic halide compound represented by Formula 1 and having a zero-dimensional non-perovskite structure, and a light-emitting device, an optical member, and an apparatus, each including the organometallic halide compound. The light-emitting device may include a first electrode, a second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode, where the emission layer includes the organometallic halide compound.

公开(公告)号：US20230371296A1

公开(公告)日：2023-11-16

申请号：US18191783

申请日：2023-03-28

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Yohan Suh ,  Chulsoon Park

IPC: H10K50/115 ,  C09K11/70 ,  C09K11/88 ,  C09K11/56

CPC classification number: H10K50/115 ,  C09K11/70 ,  C09K11/883 ,  C09K11/565 ,  B82Y40/00

Abstract: A quantum dot composition includes a first quantum dot and a second quantum dot, wherein the first quantum dot includes a first core and a first shell surrounding at least a portion of the first core, the first shell includes a first metal and a first chalcogenide, the second quantum dot includes a second core and a second shell surrounding at least a portion of the second core, the second shell includes a second metal and a second chalcogenide, and a first molar ratio of the first metal to the first chalcogenide in the first quantum dot is different from a second molar ratio of the second metal to the second chalcogenide in the second quantum dot.