公开(公告)号：US20220162467A1

公开(公告)日：2022-05-26

申请号：US17393435

申请日：2021-08-04

Applicant: Samsung Display Co., Ltd.

Inventor： Juyon Lee ,  Sehun Kim ,  Hyojin Ko ,  Heunggyu Kim ,  Wonjun Park ,  Junbo Sim ,  Seungmook Lee ,  Jaekook Ha

IPC: C09D11/38 ,  H01L51/00 ,  G03F7/42 ,  C09D11/50

Abstract: A method of forming a hole injection layer, a hole injection layer ink composition, and a light-emitting device manufactured by using the hole injection layer ink composition.

公开(公告)号：US20250092310A1

公开(公告)日：2025-03-20

申请号：US18828970

申请日：2024-09-09

Applicant: Samsung Display Co., Ltd.

Inventor： Yunku Jung ,  Sooho Lee ,  Heunggyu Kim ,  Changyeol Han

IPC: C09K11/88 ,  C09K11/02 ,  C09K11/06 ,  C09K11/62 ,  C09K11/70

Abstract: A quantum dot, and an ink composition, a light-emitting device, an optical member, and an apparatus, each including the quantum dot are provided. The quantum dot includes a nanoparticle and a first ligand and a second ligand which are disposed on the surface of the nanoparticle, wherein the first ligand is represented by Formula 1, and the second ligand includes at least one selected from among an amine group, a phosphine group, an imidazole group, and a pyridine group, wherein each of the first ligand and the second ligand does not include a thiol group.

公开(公告)号：US11430971B2

公开(公告)日：2022-08-30

申请号：US17033624

申请日：2020-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： Seungmook Lee ,  Heunggyu Kim ,  Jonghyeok Lee

IPC: H01L51/40 ,  H01L51/56 ,  H01L51/50 ,  H01L51/00

Abstract: A method of manufacturing an organic light-emitting device includes a heat treatment performed at a set or predetermined temperature range when forming a hole transport layer utilizing a solution process. When an emission layer is formed thereon utilizing a solution process, a mixed layer may be formed to a suitable thickness for improving hole injection into the emission layer. An organic light-emitting device may be manufactured utilizing the method.

公开(公告)号：US10998533B2

公开(公告)日：2021-05-04

申请号：US16454497

申请日：2019-06-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Heunggyu Kim ,  Donghoon Kwak ,  Dukki Kim

IPC: H01L51/56 ,  H01L51/52 ,  H01L51/00 ,  H01L27/32

Abstract: Provided is a method for manufacturing a display device. The method may comprise providing a substrate, providing a first organic solution which includes a mixed solvent containing a first solvent having a first boiling point and a second solvent having a second boiling point, conducting a first depressurized drying to form a second organic solution, and conducting a second depressurized drying to form a preliminary organic layer.

公开(公告)号：US12069877B2

公开(公告)日：2024-08-20

申请号：US17445666

申请日：2021-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Heunggyu Kim ,  Sehun Kim ,  Taeheon Kang ,  Hyeran Mun ,  Juyon Lee ,  Jaekook Ha

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/16 ,  H10K71/00 ,  H10K71/12 ,  H10K101/30 ,  H10K101/40

CPC classification number: H10K50/11 ,  H10K85/626 ,  H10K85/631 ,  H10K85/636 ,  H10K85/6576 ,  H10K50/16 ,  H10K71/00 ,  H10K71/12 ,  H10K85/6574 ,  H10K2101/30 ,  H10K2101/40

Abstract: A composition for manufacturing a light-emitting device includes: a solvent; and a first compound and a second compound, each dispersed in the solvent; wherein a molecular weight of the first compound is 750 g/mol or less, a molecular weight of the second compound is greater than 750 g/mol, a lowest unoccupied molecular orbital (LUMO) energy level of the second compound is greater than −2.4 eV, a highest occupied molecular orbital (HOMO) energy level of the second compound is less than −5.6 eV, and a bandgap energy of the second compound is greater than 3.2 eV.

公开(公告)号：US20230320123A1

公开(公告)日：2023-10-05

申请号：US18165227

申请日：2023-02-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Changhee Lee ,  Jiyoon Kim ,  Heunggyu Kim ,  Jaekook Ha

IPC: H10K50/17 ,  H10K50/16 ,  H10K50/15 ,  H10K50/115 ,  H10K30/82 ,  H10K85/60

CPC classification number: H10K50/171 ,  H10K30/82 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K85/611 ,  H10K85/615 ,  H10K85/631 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2102/103

Abstract: A light-emitting device that includes a first electrode, a second electrode and an interlayer between the first electrode and the second electrode and including an emission layer is provided. An electron injection layer and an electron transport layer are between the emission layer and the first electrode. The electron injection layer includes: an oxide of: Zn; Ti; Mg; or any combination thereof, the electron transport layer includes a phosphine oxide compound, and the first electrode of the light-emitting device may be a reflective electrode.

公开(公告)号：US11702542B2

公开(公告)日：2023-07-18

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: C08G73/02 ,  C08L79/02 ,  C08K5/54 ,  H01L51/00 ,  C08G61/10 ,  H01L51/50

CPC classification number: C08L79/02 ,  C08G61/10 ,  C08G73/02 ,  C08K5/5403 ,  H01L51/0035 ,  H01L51/0094 ,  C08G2261/126 ,  C08G2261/1644 ,  C08G2261/95 ,  H01L51/5068 ,  H01L51/5084 ,  H01L51/5092 ,  H01L51/5096

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:




Zo.  

The substituents in Formulae 1 and 2 may be understood as described in connection with the detailed description.

公开(公告)号：US20230217676A1

公开(公告)日：2023-07-06

申请号：US18146944

申请日：2022-12-27

Applicant: Samsung Display Co., Ltd.

Inventor： Heunggyu Kim ,  Sehun Kim ,  Myoungjin Park ,  Soohyun Park ,  Eunho Song ,  Yonghan Lee ,  Changhee Lee ,  Junghwan Lim ,  Jaekook Ha

IPC: H10K50/16 ,  H10K71/00 ,  H10K59/35 ,  H10K85/60

CPC classification number: H01L51/508 ,  H01L51/56 ,  H01L27/3211 ,  H01L51/0056 ,  H01L51/0074 ,  H01L51/005 ,  H01L27/3244

Abstract: A light-emitting device having an electron transport layer that includes a first electron transport layer including an inorganic oxide and a second electron transport layer including an organic material is provided. The first electrode is a reflective electrode.

公开(公告)号：US20220190244A1

公开(公告)日：2022-06-16

申请号：US17534305

申请日：2021-11-23

Applicant: Samsung Display Co., Ltd.

Inventor： Taeheon KANG ,  Sehun Kim ,  Heunggyu Kim ,  Hyeran Mun ,  Juyon Lee ,  Jaekook Ha

IPC: H01L51/00 ,  C09D11/52 ,  C09D11/037 ,  C09D11/033 ,  C09D11/322 ,  C09D11/36 ,  C09K11/02 ,  C09K11/06

Abstract: An ink composition for forming an electron transport layer of a light-emitting device of a display device includes: an electron-transporting compound including a phosphine oxide moiety; and a solvent represented by Formula 1, (P═O)(OR1)(OR2)(OR3)  Formula 1 wherein, in Formula 1, R1 to R3 each, independently from one another, are hydrogen, deuterium, or a C1-C30 alkyl group, and at least one of R1 to R3 is a C1-C30 alkyl group.