公开(公告)号：US10333071B2

公开(公告)日：2019-06-25

申请号：US15228818

申请日：2016-08-04

Applicant: Samsung Display Co., Ltd. ,  SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Sehun Kim ,  Jongin Hong ,  Seongjin Jeong ,  Samil Kho ,  Hyoungkun Kim ,  Hyein Jeong

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  C09K11/02 ,  C07D215/14 ,  C07D471/04 ,  H01L51/52 ,  H01L51/50

Abstract: An organic light-emitting device having high efficiency and long lifespan including: 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, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: When compounds represented by Formulae 1 and 2 are included in the emission layer, organic light-emitting devices may exhibit improved driving voltage, improved luminance, improved efficiency, and/or improved lifespans.

公开(公告)号：US12289983B2

公开(公告)日：2025-04-29

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: H10K85/10 ,  C09D11/38 ,  C09D11/52 ,  H10K50/115 ,  H10K50/17 ,  H10K71/00 ,  H10K71/12

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.

公开(公告)号：US20250051254A1

公开(公告)日：2025-02-13

申请号：US18798273

申请日：2024-08-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Jungho Jo ,  Yunku Jung ,  Changyeol Han

IPC: C07C43/13 ,  C07F7/18 ,  C09K11/02 ,  C09K11/54 ,  C09K11/66 ,  H10K85/40 ,  H10K85/60

Abstract: A composition includes a solvent containing one or more types (kinds) of first compounds represented by Formula 1 and a metal oxide not including zinc: Z—O-L1-O-(L2-O)n—R1.  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：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：US20220204799A1

公开(公告)日：2022-06-30

申请号：US17534335

申请日：2021-11-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwoon Kim ,  Changhee Lee ,  Hyunmi Doh ,  Sehun Kim

IPC: C09D11/52 ,  H01L51/00

Abstract: An ink composition includes: a solvent; and an electron transporting material substantially dispersed in the solvent and of Formula 1, wherein the ink composition has an Ohnesorge number of about 0.1 to about 0.2: [Ar1]b1-[(L1)a1-R1]c1  Formula 1 wherein the variables are defined herein.

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.