公开(公告)号：US20240268218A1

公开(公告)日：2024-08-08

申请号：US18516015

申请日：2023-11-21

Applicant: Samsung Display Co., Ltd.

Inventor： SOOHO LEE ,  Jungho JO ,  YUNHYUK KO ,  Yun Ku JUNG

IPC: H10K85/30 ,  C07F3/06

CPC classification number: H10K85/381 ,  C07F3/06 ,  H10K50/16

Abstract: A metal oxide nanoparticle includes a compound represented by Chemical Formula 1 and an alkyl amine ligand having 8 to 18 carbon atoms positioned on a surface of the compound.




In Chemical Formula 1, M may be one selected from among Ca, Zr, Al, Li, Mg, Ni, Y, W, Co, and Ga.

公开(公告)号：US20210226103A1

公开(公告)日：2021-07-22

申请号：US16935095

申请日：2020-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won PARK ,  Chang Hee LEE ,  Duk Ki KIM ,  Yun Ku JUNG ,  Yun Hyuk KO ,  Jae Kook HA

IPC: H01L33/56 ,  H01L33/00 ,  H01L33/36 ,  C08G61/10 ,  C08L65/02 ,  C08L47/00

Abstract: A light emitting element includes a first semiconductor layer; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; an insulating film surrounding an outer peripheral surface of each of the first semiconductor layer, the active layer and the second semiconductor layer; and a polymer film including a polymer chain and on at least a portion of a surface of the insulating film.

公开(公告)号：US20240324271A1

公开(公告)日：2024-09-26

申请号：US18437361

申请日：2024-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Yun Ku JUNG ,  YUNHYUK KO ,  WON-JUN PARK ,  CHUL SOON PARK ,  JONGWOO SHIN ,  Jungho JO

IPC: H10K50/16 ,  C09D11/52 ,  H10K50/11 ,  H10K71/15

CPC classification number: H10K50/166 ,  C09D11/52 ,  H10K50/11 ,  H10K71/15

Abstract: An ink composition includes a first solvent, a second solvent, a first electron transport material and a second electron transport material. The first electron transport material includes a metal oxide, and a ligand disposed on a surface of the metal oxide. The second electron transport material includes a metal oxide, and a ligand positioned on a surface of the metal oxide. The ligand of the first electron transport material and the ligand of the second electron transport material are different from each other. A difference in a length of the ligand of the first electron transport material and a length of the ligand of the second electron transport material is three or more atoms.

公开(公告)号：US20240234640A1

公开(公告)日：2024-07-11

申请号：US18606347

申请日：2024-03-15

Applicant: Samsung Display Co., LTD.

Inventor： Se Hun KIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Duk Ki KIM ,  Jun Woo PARK ,  Soo Ho LEE ,  Jae Kook HA ,  Yun Ku JUNG

IPC: H01L33/44 ,  H01L25/16 ,  H01L33/00 ,  H01L33/20

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L33/0095 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/20 ,  H01L2933/0025

Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.

公开(公告)号：US20250056958A1

公开(公告)日：2025-02-13

申请号：US18632190

申请日：2024-04-10

Applicant: Samsung Display Co., LTD.

Inventor： Yun Ku JUNG ,  Yunhyuk KO ,  Won-Jun PARK ,  Chul Soon PARK ,  Seonhui BAEK ,  Sooho LEE ,  Jungho JO ,  Chang Yeol HAN

IPC: H10K50/115 ,  B82Y40/00 ,  C09K11/02 ,  C09K11/88

Abstract: A quantum dot complex according to an embodiment comprises a quantum dot; and a ligand bound to a surface of the quantum dot, wherein the surface of the quantum dot is provided with a plurality of coupling parts to which the ligand is bound; wherein the plurality of coupling parts include a first coupling part and a second coupling part. The ligand includes a first ligand bound to the first coupling part and a second ligand bound to the second coupling part, wherein the second ligand includes a halogen element. The halogen element is contained in an amount of 1 at % to 12 at % to the total content of the quantum dot complex.

公开(公告)号：US20240324272A1

公开(公告)日：2024-09-26

申请号：US18437551

申请日：2024-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Yun Ku JUNG ,  Yunhyuk KO ,  Sehun KIM ,  Jonghoon KIM ,  Seung Uk NOH ,  Won-Jun PARK ,  Chul Soon PARK ,  Jongwoo SHIN ,  Sooho LEE ,  Jae Kook HA

IPC: H10K50/16 ,  H10K102/00

CPC classification number: H10K50/166 ,  H10K2102/351

Abstract: A light emitting device includes: a first electrode that is a reflective electrode; a first electron transport layer disposed on the first electrode; a second electron transport layer disposed on the first electron transport layer; an emission layer disposed on the second electron transport layer, and a second electrode positioned on the emission layer and that is a transflective electrode, wherein the first electron transport layer and the second electron transport layer include different metal oxides, and a thickness of the first electron transport layer is greater than a thickness of the second electron transport layer.

公开(公告)号：US20240215437A1

公开(公告)日：2024-06-27

申请号：US18501365

申请日：2023-11-03

Applicant: Samsung Display Co., LTD.

Inventor： CHUL SOON PARK ,  WON-JUN PARK ,  JONGWOO SHIN ,  Yun Ku JUNG

IPC: H10K85/30 ,  C07F3/06

CPC classification number: H10K85/381 ,  C07F3/06 ,  H10K50/16

Abstract: According to an embodiment, the inorganic metal oxide includes a crystalline core and a ligand positioned on a surface of the crystalline core, the crystalline core includes crystalline ZnO, and the ligand is a compound represented by Formula 1 below. In Chemical Formula 1, n may indicate 1 or 3, and X may indicate one selected from SH, an amine, methoxysilane, a carboxylic acid, and a carbonyl acid.

公开(公告)号：US20210226165A1

公开(公告)日：2021-07-22

申请号：US17031778

申请日：2020-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Yun Hyuk KO ,  Chang Hee LEE ,  Jin Oh KWAG ,  Keun Kyu SONG ,  Yun Ku JUNG ,  Sung-Chan JO ,  Jae Kook HA

IPC: H01L51/52 ,  H01L27/32

Abstract: A light emitting element and a display device including the same are provided. The light emitting element includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, a protective layer surrounding an outer surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer, and an insulating layer surrounding an outer surface of the protective layer. A surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer includes a first lattice point, wherein the protective layer includes a first atom and a second atom, and wherein the first atom of the protective layer is at the first lattice point.