公开(公告)号：US12178114B2

公开(公告)日：2024-12-24

申请号：US16599212

申请日：2019-10-11

Applicant: Samsung Display Co., Ltd.

Inventor： Junwoo Park ,  Dukki Kim ,  Jaeyun Kim ,  Dongwoo Shin ,  Jaekook Ha

IPC: H01L51/54 ,  H10K85/10 ,  H10K50/15

Abstract: Provided are an azide-based compound, an organic light-emitting device including the azide-based compound, and a method of manufacturing the organic light-emitting device.

公开(公告)号：US12163036B2

公开(公告)日：2024-12-10

申请号：US17025399

申请日：2020-09-18

Applicant: Samsung Display Co., Ltd.

Inventor： Junbo Sim ,  Hyojin Ko ,  Dukki Kim ,  Jonghyuk Kang ,  Changhee Lee ,  Jaehoon Jung ,  Jaekook Ha

IPC: C09D11/36 ,  C08G69/48 ,  C08L75/16 ,  C09D11/326 ,  H01L31/18

Abstract: Provided are an ink composition, a light-emitting apparatus using the ink composition, and a method of manufacturing the light-emitting apparatus. The ink composition may include a light-emitting device, a solvent, and an organic thickener, and the organic thickener is a polymeric compound including at least one group represented by Formula 1: wherein in Formula 1, X, R1, n1, and R2 may respectively be understood by referring to the descriptions of X, R1, n1, and R2 provided in the detailed description.

公开(公告)号：US11959001B2

公开(公告)日：2024-04-16

申请号：US17212630

申请日：2021-03-25

Applicant: Samsung Display Co., Ltd.

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

IPC: C09K11/08 ,  C09K11/06 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K102/00

CPC classification number: C09K11/08 ,  C09K11/06 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K2102/00

Abstract: A quantum dot composition includes a quantum dot having a surface to which a ligand is bonded, and a thermal decomposition auxiliary compound. The quantum dot composition may be applied to an emission layer of a light emitting element and a display device, thereby improving luminous efficiency of the light emitting element and the display device.

公开(公告)号：US20230389366A1

公开(公告)日：2023-11-30

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

CPC classification number: H10K59/122 ,  C09D11/30 ,  H10K71/00 ,  H10K85/141 ,  C09K11/06 ,  H10K59/1201

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：US20230180497A1

公开(公告)日：2023-06-08

申请号：US18061139

申请日：2022-12-02

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L31/00 ,  C09K11/08 ,  C09K11/70 ,  B82Y20/00

CPC classification number: H01L51/502 ,  C09K11/0883 ,  C09K11/70 ,  B82Y20/00

Abstract: Provided are a light-emitting device and an electronic apparatus, the light-emitting device including a functional layer that is between an emission layer and a second electrode and includes a first metal oxide and a second metal particle, and a second metal of the second metal particle is Mg, Au, Ag, Cu, Fe, or any combination thereof.

公开(公告)号：US11667834B2

公开(公告)日：2023-06-06

申请号：US17198752

申请日：2021-03-11

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K50/115 ,  H10K71/00 ,  C09K11/02 ,  H01L51/50 ,  H01L51/56 ,  B82Y40/00 ,  B82Y20/00

CPC classification number: C09K11/025 ,  H01L51/502 ,  H01L51/56 ,  B82Y20/00 ,  B82Y40/00

Abstract: A method for manufacturing a light emitting element includes: forming a first electrode; forming a hole transport region on a first electrode; forming an emission layer on the hole transport region; forming an electron transport region on the emission layer; and forming a second electrode on the electron transport region, wherein the forming of the emission layer includes providing a quantum dot composition containing a quantum dot and a ligand bonded to a surface of the quantum dot, to form a preliminary emission layer; and increasing the layer density of the preliminary emission layer by about 5% or greater, thereby improving a luminous efficiency of the light emitting element.

公开(公告)号：US11349078B2

公开(公告)日：2022-05-31

申请号：US16779428

申请日：2020-01-31

Applicant: Samsung Display Co., Ltd.

Inventor： Dukki Kim ,  Jaekook Ha ,  Sehun Kim ,  Dongwoo Shin ,  Donghoon Kwak ,  Junwoo Park

IPC: H01L51/50 ,  H01L51/00 ,  C09D11/52 ,  C09D11/36 ,  C09D11/102

Abstract: Provided are a composition for forming an organic light-emitting device, a method of preparing an organic light-emitting device, and an organic light-emitting device. The method of preparing an organic light-emitting device includes: forming an organic layer including an emission layer on a first electrode, wherein the forming of the organic layer includes performing a solution process using a composition for forming an organic light-emitting device, the composition for forming an organic light-emitting device includes n kinds of solvent, a solvent (Sv1) having the highest boiling point among the n kinds of solvent and a solvent (Sv2) having the second highest boiling point among the n kinds of solvent satisfy Equation 1, n is an integer from 2 to 10, and the solvent (Sv1) having the highest boiling point among the n kinds of solvent is a compound represented by Formula 1.