公开(公告)号：US12167643B2

公开(公告)日：2024-12-10

申请号：US18233651

申请日：2023-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dongha Lee ,  Donghoon Kwak ,  Dukki Kim ,  Sehun Kim ,  Seoksoon Back

IPC: H10K71/00 ,  C09D11/30 ,  C09K11/06 ,  H10K59/122 ,  H10K85/10 ,  H10K59/12

Abstract: An ink for a display device, the ink includes: an organic material, wherein the organic material has a molecular weight greater than about 500 and less than about 1,000,000, and the organic material in the ink has a concentration and the molecular weight of the organic material satisfy: y

公开(公告)号：US20240099044A1

公开(公告)日：2024-03-21

申请号：US18299825

申请日：2023-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dongsun Yoo ,  Gyubong Kim ,  Sanghee Yu ,  Sehun Kim ,  Jihye Kim ,  Hoilim Kim ,  Yohan Suh ,  Yunku Jung

IPC: H10K50/115 ,  C09D5/22 ,  C09K11/08 ,  C09K11/70

CPC classification number: H10K50/115 ,  C09D5/22 ,  C09K11/0811 ,  C09K11/70

Abstract: Embodiments provide a mixed solvent for a quantum dot ink composition, wherein the mixed solvent includes at least two solvents, an R1 value of the mixed solvent is greater than or equal to about 7.3 Mpa0.5, an R2 value of the mixed solvent is greater than or equal to about 5.0 Mpa0.5, and a molar volume of the mixed solvent is greater than or equal to about 160 cm3/mol.

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：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：US11482680B2

公开(公告)日：2022-10-25

申请号：US16721753

申请日：2019-12-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Jinwon Sun ,  Jaejin Lyu

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

Abstract: An organic 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 comprising a fluorescent emission layer. The fluorescent emission layer includes a first host (H1), a second host (H2), a first dopant (D1), and a second dopant (D2).

公开(公告)号：US20230284522A1

公开(公告)日：2023-09-07

申请号：US18178902

申请日：2023-03-06

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K85/60

CPC classification number: H10K85/611 ,  H10K50/16

Abstract: A light-emitting device, including: a substrate; a cathode disposed on the substrate; an anode facing the cathode; and an interlayer including an emission layer, wherein the interlayer is located between the cathode and the anode, and wherein the light-emitting device further includes a photoacid generator.

公开(公告)号：US20230157081A1

公开(公告)日：2023-05-18

申请号：US17808058

申请日：2022-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Juyon Lee ,  Jingoo Kang ,  Youngmo Koo ,  Jaekook Ha ,  Sehun Kim ,  Jongwoo Shin

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  H01L51/56 ,  G03F7/032 ,  G03F7/028

CPC classification number: H01L27/3246 ,  G03F7/028 ,  G03F7/032 ,  H01L51/0005 ,  H01L51/0018 ,  H01L51/56 ,  H01L51/502 ,  H01L2227/323 ,  H01L2251/556

Abstract: Provided is a photosensitive resin composition including a binder resin, a photopolymerizable monomer, a photopolymerization initiator, an active component, and a solvent, wherein the active component includes acyl hydrazide, alkyl carboxylic acid, organic hydroperoxide, or any combinations thereof. Also provided are a display panel manufactured using the photosensitive resin composition described above, and a method of manufacturing the same.

公开(公告)号：US20230038085A1

公开(公告)日：2023-02-09

申请号：US17849542

申请日：2022-06-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunmi Doh ,  Changhee Lee ,  Jingoo Kang ,  Sehun Kim ,  Yonghwi Kim ,  Jonghoon Kim ,  Seunguk Noh ,  Myoungjin Park ,  Yunku Jung

IPC: C01G9/02 ,  H01L51/50 ,  H01L51/56

Abstract: A method of manufacturing an inorganic oxide particle having an inorganic oxide core and a hydroxyl group bonded to a surface thereof includes: preparing a first composition including an inorganic oxide core precursor and a proton supply compound; and heating the first composition. Additional embodiments provide a method of manufacturing an inorganic oxide layer including an inorganic oxide particle manufactured by the method, and a light-emitting device including an inorganic oxide layer manufactured by the method.

公开(公告)号：US11569448B2

公开(公告)日：2023-01-31

申请号：US16277758

申请日：2019-02-15

Applicant: Samsung Display Co., Ltd.

Inventor： Dongwoo Shin ,  Dukki Kim ,  Sehun Kim ,  Jaeyun Kim ,  Jongwon Park ,  Seungmook Lee ,  Jaekook Ha ,  Naoyuki Ito

IPC: H01L51/54 ,  H01L51/00 ,  H01L51/05 ,  H01L51/50 ,  C08F112/34

Abstract: Provided is a cross-linkable arylamine-based compound represented by Formula 1a or 1b, a polymer obtained therefrom, a light-emitting device including the polymer, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode; a second electrode facing the first electrode; and an intermediate layer between the first electrode and the second electrode and comprising an emission layer, wherein the intermediate layer includes at least one of the arylamine-based polymer formed by cross-linking a cross-linkable arylamine-based compound represented by Formula 1a or 1b.

公开(公告)号：US20220204840A1

公开(公告)日：2022-06-30

申请号：US17463614

申请日：2021-09-01

Applicant: Samsung Display Co., Ltd.

Inventor： Juyon Lee ,  Sehun Kim ,  Jaekook Ha

IPC: C09K11/54 ,  H01L51/00

Abstract: A composition including a block copolymer, a quantum dot precursor, and a solvent, a method of forming a quantum dot layer with the composition, a quantum dot layer formed from the composition, and a light-emitting device including the quantum dot layer.