公开(公告)号：US20230193067A1

公开(公告)日：2023-06-22

申请号：US18067098

申请日：2022-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Sanghee Yu ,  Gyubong Kim ,  Hoilim Kim ,  Jongwoo Shin ,  Sangyeop Lee ,  Jaekook Ha ,  Wonjun Park ,  Eunho Song ,  Seihwan Ahn ,  Dongsun Yoo

IPC: C09D11/52 ,  C09D11/037 ,  C09D11/033 ,  C09K11/70 ,  C09K11/08 ,  H10K50/16 ,  H10K50/858 ,  H10K50/18 ,  H10K50/17

CPC classification number: C09D11/52 ,  C09D11/033 ,  C09D11/037 ,  C09K11/70 ,  C09K11/0883 ,  H10K50/16 ,  H10K50/18 ,  H10K50/171 ,  H10K50/858 ,  B82Y20/00

Abstract: A metal oxide composition, including: a solvent; and a metal oxide, wherein the solvent includes a first compound represented by Formula 1, and the metal oxide includes a second compound represented by Formula 2










wherein, X1 and X2 are each independently *—B(R1a)—*’, *—N(R1a)—*’, *—O—*’, *—P(R1a)—*’, *—P(═O)(R1a)—*’, *—S—*, *—S(═O)—*’, *—S(═O)2—*’, or *—Si(R1a)(R1b)—*’; * and *’ each indicate a binding site to a neighboring atom; R1 is hydrogen or deuterium; M is Zn, Ti, Zr, Sn, W, Ta, Ni, Mo, Cu, or V; p and q are each independently from 1 to 5; and the other substituents are respectively as described in the present specification.

公开(公告)号：US20230135917A1

公开(公告)日：2023-05-04

申请号：US17903956

申请日：2022-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Changhee Lee ,  Jaekook Ha ,  Jingoo Kang ,  Youngmo Koo ,  Youngil Kim ,  Jiyoon Kim

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

Abstract: A light-emitting device includes: a substrate; a cathode on the substrate; an anode on the cathode; and an organic layer arranged between the cathode and the anode and including an emission layer. The organic layer includes: an electron transport region between the emission layer and the cathode; and a hole transport region between the emission layer and the anode, wherein the hole transport region includes a first compound including a first repeating unit represented by Formula 1, a second compound represented by Formula 2, a fifth compound represented by Formula 5, or any combination thereof, wherein Formulas 1, 2, and 5 are respectively the same as described herein.

公开(公告)号：US11597848B2

公开(公告)日：2023-03-07

申请号：US17092918

申请日：2020-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Junbo Sim ,  Dukki Kim ,  Hyojin Ko ,  Changhee Lee ,  Jaekook Ha

IPC: H01L51/00 ,  C09D11/36 ,  C09D11/033 ,  C09D11/50 ,  H01L51/56

Abstract: An inkjet composition for an inkjet printer, a light-emitting device including the same, and a method of manufacturing the light-emitting device are provided. The ink composition may include light-emitting diodes and a solvent. The solvent may have a first viscosity at a first temperature section that may be greater than a second viscosity at a second temperature section. The solvent may include an ester compound of citric acid, glycol, alkanediol, alkanolamine, alkenic acid, alkenol, a pyrrolidone group-containing compound, glycerol, a compound represented by Formula 1, a compound represented by Formula 2, or any combination thereof: Substituents in Formula 1 and Formula 2 may be understood as described in connection with the detailed description. Each of the light-emitting diodes may have a size in a range of about 0.1 μm to about 10 μm.

公开(公告)号：US20220399507A1

公开(公告)日：2022-12-15

申请号：US17815930

申请日：2022-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaekook Ha

IPC: H01L51/00

Abstract: A light-emitting device includes: an anode; a cathode facing the anode; an emission layer between the anode and the cathode; and an electron control layer between the emission layer and the cathode, wherein the electron control layer includes an electron control compound represented by Formula 5: A method of manufacturing the light-emitting device includes: forming an emission layer on an anode; and forming an electron control layer on the emission layer, wherein the electron control layer includes an electron control compound represented by Formula 5.

公开(公告)号：US20220195228A1

公开(公告)日：2022-06-23

申请号：US17450138

申请日：2021-10-06

Applicant: Samsung Display Co., Ltd.

Inventor： Wonjun Park ,  Lokgam Jung ,  Sehun Kim ,  Jaekook Ha

IPC: C09D11/50 ,  C09D11/52 ,  C09D11/033 ,  C09D11/037 ,  C09D11/322 ,  C09D11/36 ,  C09K11/02 ,  H01L51/00

Abstract: A composition for forming a light-emitting device, a method of manufacturing a light-emitting device utilizing the composition, and a light-emitting device manufactured utilizing the composition are provided. The composition includes two or more solvents and a boiling point of a first solvent having the highest boiling point among the two or more solvents is greater than 300° C.

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.

公开(公告)号：US11329232B2

公开(公告)日：2022-05-10

申请号：US16375806

申请日：2019-04-04

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  C07D209/86 ,  C07D307/91 ,  H01L51/50

Abstract: Provided are an organic light-emitting device including an arylamine-based compound including a thermally decomposable group, and an arylamine-based compound including a thermally decomposable group. The organic light-emitting device includes: a first electrode; a second electrode facing a first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including an arylamine-based compound in which the thermally decomposable group has been thermally decomposed and removed from the arylamine-based compound including the thermally decomposable group.

公开(公告)号：US20220098484A1

公开(公告)日：2022-03-31

申请号：US17448820

申请日：2021-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Myoungjin Park ,  Yunku Jung ,  Jonghoon Kim ,  Sungwoon Kim ,  Jaekook Ha

IPC: C09K11/88 ,  H01L51/00 ,  C09K11/54

Abstract: An inorganic nanoparticle composition includes an inorganic nanoparticle and a highly fluorinated solvent, and the inorganic nanoparticle includes an inorganic material and a F-containing charge-transporting organic ligand. A light-emitting device with the inorganic nanoparticle composition, for example, as a material for forming at least a portion of an electron transport region in the light-emitting device. An electronic apparatus includes the light-emitting device.

公开(公告)号：US20210376244A1

公开(公告)日：2021-12-02

申请号：US17333354

申请日：2021-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojin KO ,  Changhee Lee ,  Dukki Kim ,  Sehun Kim ,  Youngil Kim ,  Seungmook Lee ,  Jaekook Ha

IPC: H01L51/00 ,  C09D11/52 ,  C09D11/38

Abstract: According to one aspect of the invention, a hole-transporting ink composition for a light emitting device, the hole-transporting ink composition includes an adhesion-promoting compound represented by Formula 1 and a hole-transporting compound: A1—B1—C1   Formula 1 wherein, in Formula 1, the variables are defined above.