公开(公告)号：US20210371732A1

公开(公告)日：2021-12-02

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: C09K11/02 ,  H01L51/50 ,  H01L51/56

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：US20190259956A1

公开(公告)日：2019-08-22

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: H01L51/00 ,  H01L51/05

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：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：US20190326520A1

公开(公告)日：2019-10-24

申请号：US16391985

申请日：2019-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun KIM ,  Dukki KIM ,  Seunguk NOH ,  Dongwoo SHIN ,  Jaekook HA ,  Eungdo KIM ,  Eunju NAM ,  Hyunwoo LEE ,  Jaesung LIM

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device includes a first hole transport region including a polymer compound that includes a repeating unit derived from a compound including a moiety represented by Formula 1A and a second hole transport region including a first compound and a second compound, the first compound including a repeating unit represented by Formula 1, the second compound being a compound represented by Formula 1, and the third compound being a compound represented by Formula 3.

公开(公告)号：US20160190475A1

公开(公告)日：2016-06-30

申请号：US14741622

申请日：2015-06-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sehun KIM ,  Mikyung KIM ,  Kwanhee LEE ,  Hyein JEONG ,  Changwoong CHU

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384 ,  Y10S428/917

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, the organic layer including an emission layer. The organic layer includes a first compound represented by one of Formulae 1-1 to 1-3 below and a second compound represented by Formula 2 below: where A1 to A5, B1 to B5, D1 to D5, R1 to R5, R12, R13, R41 to R44, L11, L2, L3, and ba to bi are as defined in the specification.

Abstract translation: 有机发光器件包括第一电极，面对第一电极的第二电极和在第一电极和第二电极之间的有机层，有机层包括发射层。 有机层包括由下述式1-1〜1-3之一表示的第一化合物和下述式2表示的第二化合物：其中，A1〜A5，B1〜B5，D1〜D5，R1〜R5，R12，R13 R41〜R44，L11，L2，L3，以及ba至bi如说明书中所定义。