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.

公开(公告)号：US20230422537A1

公开(公告)日：2023-12-28

申请号：US18193218

申请日：2023-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： Jonghoon Kim ,  Sehun Kim ,  Changhee Lee ,  Jingoo Kang ,  Yonghwi Kim ,  Myoungjin Park ,  Jaekook Ha

IPC: H10K50/115 ,  H10K50/16 ,  H10K50/15 ,  H10K50/00 ,  H10K50/828 ,  H10K85/60

CPC classification number: H10K50/115 ,  H10K50/16 ,  H10K50/15 ,  H10K50/401 ,  H10K50/828 ,  H10K85/626 ,  H10K85/6572 ,  H10K85/633 ,  H10K2102/103

Abstract: Provided is a light-emitting device including: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes: a first emission layer including a first quantum dot and a p-type compound; and a second emission layer including a second quantum dot and an n-type compound, the second emission layer is in a direction of the first electrode, and the first electrode is a cathode.

公开(公告)号：US11777058B2

公开(公告)日：2023-10-03

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 ,  G09F9/33

CPC classification number: H01L33/26 ,  H01L25/0753 ,  G09F9/33

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：US11737294B2

公开(公告)日：2023-08-22

申请号：US16892532

申请日：2020-06-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yunku Jung ,  Hyunmi Doh ,  Jae Hong Park ,  Dongwoo Shin ,  Jaekook Ha ,  Sungwoon Kim ,  Minki Nam

IPC: H10K50/115 ,  C09K11/08 ,  C09K11/02 ,  H10K30/80 ,  H10K59/35 ,  H10K59/38 ,  H10K85/60 ,  H10K50/15 ,  H10K50/16 ,  H10K71/00

CPC classification number: H10K50/115 ,  C09K11/025 ,  C09K11/08 ,  H10K30/865 ,  H10K59/35 ,  H10K59/38 ,  H10K85/654 ,  H10K85/6572 ,  H10K50/15 ,  H10K50/16 ,  H10K71/00

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 body part including a charge transport moiety, and a head part bonded to the surface of the quantum dot. The quantum dot composition according may be applied to a light emitting diode and a display device to provide increased luminous efficiency and device life of the light emitting diode and the display device.

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：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.