公开(公告)号：US20210246308A1

公开(公告)日：2021-08-12

申请号：US17012573

申请日：2020-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Dongwoo SHIN ,  Heunggyu KIM ,  Hyeran MUN ,  Dukki KIM ,  Sehun KIM ,  Seungmook LEE ,  Jaekook HA

IPC: C08L79/02 ,  C08G73/02 ,  C08K5/54 ,  H01L51/00 ,  C08G61/10

Abstract: A composition, an interlayer manufactured therefrom, and an apparatus including the interlayer are provided. The composition includes a polymer compound represented by Formula 1, a non-arylamine-based compound represented by Formula 2, and a solvent: The substituents in Formulae 1 and 2 may be understood as described in connection with the detailed description.

公开(公告)号：US20210226093A1

公开(公告)日：2021-07-22

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

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：US20210009893A1

公开(公告)日：2021-01-14

申请号：US16924658

申请日：2020-07-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun KIM ,  Changhee LEE ,  Junbo SIM ,  Jaekook HA

IPC: C09K11/02 ,  C09K11/70 ,  C09K11/08 ,  H01L33/50 ,  H01L51/50

Abstract: A quantum dot-containing material includes: a quantum dot-containing complex including a quantum dot and a first matrix material; and a second matrix material, wherein the quantum dot is dispersed in the first matrix material, the quantum dot-containing complex is dispersed in the second matrix material, and a refractive index of the first matrix material is greater than that of the second matrix material.

公开(公告)号：US20200259093A1

公开(公告)日：2020-08-13

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: H01L51/00 ,  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.

公开(公告)号：US20190326516A1

公开(公告)日：2019-10-24

申请号：US16391607

申请日：2019-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun KIM ,  Dukki KIM ,  Jaekook HA ,  Jaeyun KIM

IPC: H01L51/00

Abstract: Provided are an organic light-emitting device and a method of manufacturing the same. The 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 including an emission layer. The organic layer includes a hole transport region between the first electrode and the emission layer. The hole transport region also includes a first compound and a second compound, or includes the first compound and a third compound.

公开(公告)号：US20240141228A1

公开(公告)日：2024-05-02

申请号：US18407326

申请日：2024-01-08

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 ,  C07C43/10 ,  C07C53/00 ,  C07C63/08 ,  C07C211/09 ,  C07C309/04 ,  C07C309/30 ,  C07F9/54 ,  H10K85/60

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

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：US20230227718A1

公开(公告)日：2023-07-20

申请号：US18096690

申请日：2023-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Wonjun PARK ,  Dukki KIM ,  Jongwoo SHIN ,  Sangyeop LEE ,  Sehun KIM ,  Jaekook HA

IPC: C09K11/08 ,  H10K50/115 ,  H10K71/15

CPC classification number: C09K11/0811 ,  H10K50/115 ,  H10K71/15 ,  H10K2102/302

Abstract: Provided are a metal oxide composition, a light-emitting device using the metal oxide composition, and an electronic apparatus including the light-emitting device. The metal oxide composition includes a solvent including a first solvent and a second solvent, and a metal oxide, wherein the first solvent and the second solvent are different from each other, an amount of the first solvent is greater than an amount of the second solvent, and a boiling point of the second solvent is greater than a boiling point of the first solvent.

公开(公告)号：US20230042868A1

公开(公告)日：2023-02-09

申请号：US17569701

申请日：2022-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Heunggyu KIM ,  Taeheon KANG ,  Sehun KIM ,  Hyeran MUN ,  Jaekook HA

IPC: C09D11/52 ,  C09D11/033 ,  H01L51/00

Abstract: An ink composition for a light-emitting device includes a phosphine oxide-based charge transporting organic material, a first solvent represented by Formula 1, a second solvent represented by Formula 2, and a third solvent that is polar aprotic. A light-emitting device includes a layer prepared with the in composition. An electronic apparatus includes the light-emitting device: HOR1(O)mR2OH  [Formula 1] R11OR12  [Formula 2]

公开(公告)号：US20220056291A1

公开(公告)日：2022-02-24

申请号：US17220671

申请日：2021-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun KIM ,  Taeheon KANG ,  Dukki KIM ,  Heunggyu KIM ,  Seunguk NOH ,  Hyeran MUN ,  Wonjun PARK ,  Juyon LEE ,  Jaekook HA

IPC: C09D11/36 ,  C09D11/033 ,  C09D11/52 ,  H01L51/00

Abstract: An ink composition for a light-emitting device includes: a phosphine oxide-based charge transport organic material; a first solvent represented by Formula 1; and a second solvent represented by Formula 2: HOR1(O)mR2OH  Formula 1 (HO)aR11O(R12O)nR13(OH)b.  Formula 2

公开(公告)号：US20210296605A1

公开(公告)日：2021-09-23

申请号：US17107411

申请日：2020-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Junwoo PARK ,  Myoungjin PARK ,  Sooho LEE ,  Yunhyuk KO ,  Sungwoon KIM ,  Minki NAM ,  Jaekook HA

IPC: H01L51/50

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode and including quantum dots; a hole transport region between the first electrode and the emission layer; and an electron sink layer between the emission layer and the hole transport region and including an electron transport material, wherein the electron transport material includes a metal, a metal oxide, a metal-containing material, or any combination thereof.