公开(公告)号：US20190288235A1

公开(公告)日：2019-09-19

申请号：US16421187

申请日：2019-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minho Oh ,  Jongwoo Kim ,  Jiyoung Moon ,  Seungjae Lee ,  Yoonhyeung Cho ,  Youngcheol Joo ,  Jaeheung Ha

IPC: H01L51/52 ,  H01L27/12 ,  H01L27/32 ,  H01L51/56 ,  G02F1/1362

Abstract: A display device includes a display substrate including at least one step portion, and a thin film encapsulation layer above the display substrate, the thin film encapsulation layer including a buffer layer configured to reduce a height difference due to the at least one step portion and a barrier layer above the buffer layer, the buffer layer including a plurality of sub-layers and interfaces between the plurality of sub-layers, and the interfaces including a curved surface changing from a concave shape to a convex shape toward a portion overlapping the step portion from an outer portion of the step portion.

公开(公告)号：US20190267556A1

公开(公告)日：2019-08-29

申请号：US16286327

申请日：2019-02-26

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Myungchul Yeo ,  Hyungseok Jang ,  Yoonhyeung Cho

IPC: H01L51/00 ,  H01L33/50 ,  H01L51/50 ,  H01L51/52 ,  H01L33/04 ,  H01L33/60

Abstract: An electronic apparatus and a lighting apparatus are provided. The apparatus includes a light-emitting device that has an intermediate layer between two electrodes, wherein the intermediate layer includes an emission layer having a perovskite compound represented by one of the following formulas: 1) [A][B1n1B2(1-n1)][X]3, 2) [A]2[B1n2B2(1-n2)][X]4, 3) [A]3[B1n2B2(1-n2)]2[X]7, and 4) [A]4[B1n2B2(1-n2)]3[X]10, wherein, in Formula 1), A is at least one monovalent organic-cation, a monovalent inorganic cation, or any combination thereof, B1 is a Sm2+ ion, B2 is at least one divalent inorganic cation and does not include a Sm2+ ion, n1 is a real number satisfying 0

公开(公告)号：US10236455B2

公开(公告)日：2019-03-19

申请号：US15223514

申请日：2016-07-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonsuk Han ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Dongkyu Seo ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H05B33/14 ,  H05B33/20

Abstract: An organic light-emitting device is provided to have high efficiency and long lifespan. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a host and a dopant; an electron blocking layer disposed between the first electrode and the emission layer; and an electron transport region disposed between the emission layer and the second electrode, in which the electron blocking layer includes a metal halide, a metal oxide, or a combination thereof, and the actually measured lowest unoccupied molecular orbital (LUMO) value of the electron blocking layer is greater than the actually measured LUMO value of the host in the emission layer.

公开(公告)号：US09997733B2

公开(公告)日：2018-06-12

申请号：US15173336

申请日：2016-06-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongkyu Seo ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Wonsuk Han

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

CPC classification number: H01L51/5044 ,  H01L51/005 ,  H01L51/0052 ,  H01L51/0054 ,  H01L51/0055 ,  H01L51/0056 ,  H01L51/0058 ,  H01L51/0059 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0065 ,  H01L51/0067 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0074 ,  H01L51/0077 ,  H01L51/0081 ,  H01L51/0084 ,  H01L51/0085 ,  H01L51/0087 ,  H01L51/0088 ,  H01L51/0092 ,  H01L51/5012 ,  H01L51/5016 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5096 ,  H01L51/56 ,  H01L2251/301

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.

公开(公告)号：US20180047928A1

公开(公告)日：2018-02-15

申请号：US15588134

申请日：2017-05-05

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/50 ,  C09K11/06 ,  H01L51/00 ,  C07C211/63

CPC classification number: H01L51/5036 ,  C07C211/63 ,  C09K11/06 ,  C09K11/584 ,  C09K11/7732 ,  C09K11/883 ,  C09K2211/10 ,  C09K2211/182 ,  H01L51/0077 ,  H01L51/502 ,  H05B33/14

Abstract: A light-emitting device is provided. The light emitting device includes a first electrode, second electrode facing the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes at least one perovskite compound, a first quantum dot, and a second quantum dot. The first quantum dot and the second quantum dot may be different from each other.

公开(公告)号：US20170186819A1

公开(公告)日：2017-06-29

申请号：US15203735

申请日：2016-07-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonmin Yun ,  Yisu Kim ,  Eungseok Park ,  Byoungduk Lee ,  Yunah Chung ,  Yoonhyeung Cho ,  Yongchan Ju

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

CPC classification number: H01L27/322 ,  H01L51/5253 ,  H01L2251/5369

Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.

公开(公告)号：US20170125731A1

公开(公告)日：2017-05-04

申请号：US15205668

申请日：2016-07-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonmin Yun ,  Eungseok Park ,  Byoungduk Lee ,  Yunah Chung ,  Yoonhyeung Cho ,  Yongchan Ju

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5253 ,  H01L51/5259 ,  H01L51/56

Abstract: An organic light-emitting display apparatus includes a substrate, a pixel electrode on the substrate, a capping layer on the pixel electrode, a second organic layer on the capping layer, a first organic layer between the capping layer and the second organic layer and corresponding to the pixel electrode, and an inorganic layer on the second organic layer.

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：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.

公开(公告)号：US11856839B2

公开(公告)日：2023-12-26

申请号：US17038768

申请日：2020-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Jihwan Yoon ,  Donghui Lee ,  Jihye Lee ,  Chulsoon Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Yoonhyeung Cho ,  Wonsuk Han

IPC: H10K50/10 ,  H10K85/30 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/342 ,  C09K11/06 ,  H10K85/346 ,  C09K2211/185 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/18

Abstract: A light-emitting device and a method of manufacturing the same are provided. The light-emitting device may include a first electrode, a second electrode, and an interlayer located between the first electrode and the second electrode. The interlayer may include an emission layer that includes a first material, a second material, and a third material. The first material may include an inorganic semiconductor compound, an inorganic insulator compound, or any combination thereof. The second material may include a lanthanide metal. The third material may include an organic compound. An apparatus including the light-emitting device is provided.