公开(公告)号：US10538699B2

公开(公告)日：2020-01-21

申请号：US15456661

申请日：2017-03-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongchan Kim ,  Yisu Kim ,  Byoungduk Lee ,  Yoonhyeung Cho ,  Yongchan Ju

IPC: C09K11/06 ,  C09K11/77 ,  F21V13/00 ,  F21V8/00

Abstract: A lighting device includes a light source and a photoconversion layer including a perovskite compound represented by Formula 1. The perovskite compound absorbs at least part of light emitted from the light source and emits light having a different wavelength range from the absorbed light: [A][B][X]3   In Formula 1, A is at least one monovalent organic cation, at least one a monovalent inorganic cation, or any combination thereof, B is at least one divalent inorganic cation, and X is at least one monovalent anion.

公开(公告)号：US10283672B2

公开(公告)日：2019-05-07

申请号：US15953344

申请日：2018-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Yisu Kim ,  Dongchan Kim ,  Eungseok Park ,  Wonmin Yun ,  Byoungduk Lee ,  Yongchan Ju

IPC: H01L33/00 ,  H01L33/06 ,  H01L33/16 ,  H01L33/42 ,  B82Y20/00 ,  H01L51/50

Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.

公开(公告)号：US10181572B2

公开(公告)日：2019-01-15

申请号：US15904286

申请日：2018-02-23

Applicant: Samsung Display Co., Ltd.

Inventor： Eungdo Kim ,  Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Wonsuk Han

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52 ,  H01L51/00

Abstract: An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.

公开(公告)号：US10170722B2

公开(公告)日：2019-01-01

申请号：US14633365

申请日：2015-02-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eungdo Kim ,  Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Changwoong Chu

IPC: H01L51/50 ,  H01L51/00

Abstract: Provided is an organic light-emitting device 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, the organic layer including a low work function metal compound.

公开(公告)号：US09947828B2

公开(公告)日：2018-04-17

申请号：US15264422

申请日：2016-09-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yisu Kim ,  Dongchan Kim ,  Eungseok Park ,  Wonmin Yun ,  Byoungduk Lee ,  Yongchan Ju

IPC: H01L33/00 ,  H01L33/06 ,  H01L33/16 ,  H01L33/42 ,  B82Y20/00

CPC classification number: H01L33/06 ,  B82Y20/00 ,  H01L33/16 ,  H01L33/42 ,  H01L51/502

Abstract: A quantum dot light-emitting device includes: a first electrode; a second electrode opposite to the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including quantum dots; and an inorganic layer between the emission layer and the second electrode, the inorganic layer including a metal halide.

公开(公告)号：US12302692B2

公开(公告)日：2025-05-13

申请号：US17714892

申请日：2022-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hakchoong Lee ,  Yoonseok Ka ,  Dongchan Kim ,  Jiyoung Moon ,  Hajin Song ,  Jihwan Yoon ,  Jaehoon Hwang

IPC: H10K50/17 ,  H10K50/828 ,  H10K59/123 ,  H10K85/60 ,  H10K102/00

Abstract: A light-emitting device includes a second electrode that includes: a first layer including a first metal having a work function with an absolute value of 5.2 eV or less and a second metal having an electrical conductivity of 1×107 S/m or more; and a second layer consisting of the second metal having the electrical conductivity of 1×107 S/m or more. The first metal and the second metal are different from each other, a thickness of the first layer is from 1 Å to 30 Å, and a thickness of the second layer is from 10 Å to 110 Å.

公开(公告)号：US12256636B2

公开(公告)日：2025-03-18

申请号：US17544866

申请日：2021-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Heechang Yoon ,  Dongchan Kim ,  Yoonseok Ka ,  Jiyoung Moon ,  Haemyeong Lee ,  Yoonhyeung Cho

IPC: H10K85/60 ,  H10K10/46 ,  H10K30/80 ,  H10K30/81 ,  H10K50/155 ,  H10K50/17 ,  H10K50/81 ,  H10K50/82

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including a first layer, wherein the first electrode has a work function value of about −5.5 eV to about −6.1 eV, and the interlayer includes a second layer doped with a non-lead-based perovskite compound.

公开(公告)号：US20240341116A1

公开(公告)日：2024-10-10

申请号：US18417136

申请日：2024-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jungho Choi ,  Pilgu Kang ,  Daehyeon Kim ,  Dongchan Kim ,  Jiyoung Moon ,  Hakchoong Lee ,  Jaehoon Hwang

IPC: H10K50/17 ,  H10K102/00

CPC classification number: H10K50/171 ,  H10K2102/351

Abstract: Embodiments provide a light-emitting device, and an electronic apparatus and electronic equipment that each include the light-emitting device. The light-emitting device includes an anode, a cathode facing the anode, and an interlayer between the anode and the cathode, wherein the interlayer includes an emission layer and an electron transport region between the emission layer and the cathode. The electron transport region includes an electron injection layer adjacent to the cathode, the electron injection layer includes an alkali metal, and the cathode includes silver (Ag).

公开(公告)号：US20240334731A1

公开(公告)日：2024-10-03

申请号：US18595603

申请日：2024-03-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jungho Choi ,  Jiyoung Moon ,  Pilgu Kang ,  Dongchan Kim ,  Hakchoong Lee

IPC: H10K50/16 ,  H10K50/17 ,  H10K101/40 ,  H10K102/00

CPC classification number: H10K50/166 ,  H10K50/171 ,  H10K2101/40 ,  H10K2102/351

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode and the second electrode and comprising an emission layer. The interlayer further includes a first layer arranged between the emission layer and the second electrode, and a second layer arranged between the first layer and the emission layer. The first layer includes a first metal-containing material, the second layer includes a second metal-containing material and a metal-free material, and a difference between a work function (W/F) of the first layer and a work function (W/F) of the second layer is in a range of about 0.05 eV to about 0.2 eV.

公开(公告)号：US20240284700A1

公开(公告)日：2024-08-22

申请号：US18444740

申请日：2024-02-18

Applicant: Samsung Display Co., LTD.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Heechang Yoon ,  Jihye Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Myungsuk Han ,  Jihwan Yoon ,  Jonghyuk Lee ,  Yoonhyeung Cho

IPC: H10K50/17 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/40

CPC classification number: H10K50/171 ,  H10K50/15 ,  H10K50/16 ,  H10K59/12 ,  H10K59/40

Abstract: A light-emitting device and an apparatus including the same include a first electrode, a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes m emission units and (m−1) charge generating units, each of the charge generating units being between the emission units that are adjacent to each other, m is a natural number of 2 or greater, at least one of the (m−1) charge generating units includes an n-type charge generating layer, a p-type charge generating layer, and a p-type hole injection layer, wherein the n-type charge generating layer includes an n-type organic compound and a metal material, and wherein the p-type charge generating layer and the p-type hole injection layer each independently include an inorganic semiconductor material.