公开(公告)号：US20180138424A1

公开(公告)日：2018-05-17

申请号：US15870460

申请日：2018-01-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myeongsuk KIM ,  Taekyung KIM ,  Jaeyong LEE

IPC: H01L51/00 ,  H01L51/50

CPC classification number: H01L51/0072 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/506 ,  H01L2251/308

Abstract: An organic light-emitting device, including a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the second electrode and the emission layer, the hole transport region including a compound represented by Formula 1 below and a compound represented by Formula 2 below:

公开(公告)号：US20180090692A1

公开(公告)日：2018-03-29

申请号：US15716263

申请日：2017-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Sunwoo KANG ,  Sangho JEON ,  Youngmi CHO ,  Soobyung KO ,  Taekyung KIM

IPC: H01L51/00 ,  H01L51/50 ,  C07F15/00 ,  C09K11/06

CPC classification number: H01L51/0085 ,  C07F15/0033 ,  C09K11/06 ,  C09K2211/1029 ,  C09K2211/1044 ,  C09K2211/1059 ,  C09K2211/185 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/506 ,  H01L2251/552

Abstract: An organometallic compound and an organic light-emitting device including the same are provided. The organometallic compound may be represented by Formula 1, wherein L1 is a ligand represented by Formula 2A and L2 is a ligand represented by Formula 2B. Further details about the compounds are presented in the disclosure. M(L1)n1(L2)n2,   wherein M is iridium.

公开(公告)号：US20200088637A1

公开(公告)日：2020-03-19

申请号：US16407792

申请日：2019-05-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yoonkyoo LEE ,  Taekyung KIM ,  Daeyup SHIN

IPC: G01N21/64 ,  G01N27/30

Abstract: An apparatus to evaluate a stability of a luminescent material includes an electrochemical cell that includes a sample including a solvent and the luminescent material mixed in the solvent, a voltage application device that applies a constant voltage to the sample, a light source that irradiates a source light to the sample, and a photoluminescence measuring device that measures a luminescence spectrum of an emission light generated by the luminescent material.

公开(公告)号：US20190189947A1

公开(公告)日：2019-06-20

申请号：US16222899

申请日：2018-12-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup SHIN ,  Taekyung KIM

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/52

CPC classification number: H01L51/5016 ,  H01L27/3248 ,  H01L51/5004 ,  H01L51/5056 ,  H01L51/5096 ,  H01L51/5203

Abstract: An organic light-emitting device includes: 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 and a triplet exciton quenching layer. A display apparatus includes a thin film transistor comprising a source electrode, a drain electrode, and an active layer; and the organic light-emitting device, where the first electrode of the organic light-emitting device is electrically coupled to one selected from the source electrode and the drain electrode of the thin film transistor.

公开(公告)号：US20160087225A1

公开(公告)日：2016-03-24

申请号：US14706218

申请日：2015-05-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myeongsuk KIM ,  Taekyung KIM ,  Jaeyong LEE

IPC: H01L51/00

CPC classification number: H01L51/0072 ,  H01L51/0052 ,  H01L51/0058 ,  H01L51/006 ,  H01L51/0061 ,  H01L51/0067 ,  H01L51/506 ,  H01L2251/308

Abstract: An organic light-emitting device, including a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the second electrode and the emission layer, the hole transport region including a compound represented by Formula 1 below and a compound represented by Formula 2 below:

Abstract translation: 一种有机发光装置，包括第一电极; 面对所述第一电极的第二电极; 在第一电极和第二电极之间的发射层; 在第一电极和发射层之间的空穴传输区域; 以及在第二电极和发射层之间的电子传输区域，空穴传输区域包括由下述通式1表示的化合物和由下式2表示的化合物：

公开(公告)号：US20210013440A1

公开(公告)日：2021-01-14

申请号：US16881591

申请日：2020-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Seulong KIM ,  Taekyung KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Eungyoung PARK ,  Jiyoung SONG ,  Soon-Chul CHANG ,  Dongseob JEONG

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

Abstract: A light emitting device includes a first electrode, a first stack on the first electrode, a first charge generation layer on the first stack, a second stack on the first charge generation layer, and a second electrode on the second stack. The first stack includes a first light emitting layer and a plurality of first organic layers, and the second stack includes a second light emitting layer and a plurality of second organic layers. Among the plurality of first organic layers and the plurality of second organic layers, at least one of organic layers adjacent to the first light emitting layer and the second light emitting layer includes a light emitting material.

公开(公告)号：US20190315776A1

公开(公告)日：2019-10-17

申请号：US16226817

申请日：2018-12-20

Applicant: Samsung Display Co., Ltd. ,  Industry Academic Cooperation Foundation Kyunghee University

Inventor： Miehwa PARK ,  Janghyuk KWON ,  Taekyung KIM ,  Juyoung LEE ,  Hyein JEONG ,  Daehyun AHN ,  Daeyup SHIN ,  Siwoo KIM ,  Jisu MOON

IPC: C07F5/02 ,  H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device and a heterocyclic compound, the 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, wherein the organic layer includes a heterocyclic compound represented by Formula 1:

公开(公告)号：US20160141513A1

公开(公告)日：2016-05-19

申请号：US14731094

申请日：2015-06-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Taekyung KIM ,  Jaeyong LEE ,  Minkyung KIM ,  Heeyeon KIM

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/50

CPC classification number: H01L51/0067 ,  C07D213/22 ,  C09K11/06 ,  H01L51/0054 ,  H01L51/0058 ,  H01L51/0077 ,  H01L51/508

Abstract: 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, the organic layer including an emission layer, wherein the organic layer includes a hole transport region between the first electrode and the emission layer, the hole transport region including at least one selected from a hole transport layer, a hole injection layer, and a buffer layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the electron transport region includes a compound represented by Formula 1 and a compound represented by Formula 2

Abstract translation: 一种有机发光装置，包括：第一电极; 面对所述第一电极的第二电极; 以及在所述第一电极和所述第二电极之间的有机层，所述有机层包括发射层，其中所述有机层包括在所述第一电极和所述发射层之间的空穴传输区域，所述空穴传输区域包括从 空穴传输层，空穴注入层和缓冲层，以及在发光层和第二电极之间的电子传输区域，电子传输区域包括选自空穴阻挡层，电子传输层和 电子注入层，其中电子传输区包括由式1表示的化合物和由式2表示的化合物

公开(公告)号：US20230180606A1

公开(公告)日：2023-06-08

申请号：US18160631

申请日：2023-01-27

Applicant: Samsung Display Co., LTD.

Inventor： Jaeyong LEE ,  Taekyung KIM ,  Minkyung KIM ,  Seulong KIM ,  Pilgu KANG ,  Jiyoung KWON ,  Soonchul CHANG ,  Jaehoon HWANG

IPC: H10K85/60 ,  H10K50/11

CPC classification number: H10K85/6572 ,  H10K85/631 ,  H10K85/636 ,  H10K85/654 ,  H10K85/626 ,  H10K50/11 ,  H10K85/615 ,  H10K50/15 ,  H10K2101/30 ,  H10K50/16 ,  H10K2101/40 ,  H10K50/19

Abstract: Provided are an organic-light-emitting device and a display apparatus including the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including at least one light-emitting unit, wherein the at least one light-emitting unit includes: an emission layer; and a hole transport region between the first electrode and the emission layer and including a first hole transport (HT) layer, the emission layer includes a host, the first HT layer includes a first compound, a minimum bond dissociation energy (BDE1HT) of the first compound is larger than a triplet energy (T1,host) of the host, and a minimum bond dissociation energy (BDEhost) of the host is larger than the triplet energy (T1,host) of the host.

公开(公告)号：US20190322689A1

公开(公告)日：2019-10-24

申请号：US16389289

申请日：2019-04-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunwoo KANG ,  Soobyung KO ,  Taekyung KIM ,  Sangho JEON ,  Youngmi CHO

IPC: C07F15/00 ,  H01L51/00 ,  H01L51/50

Abstract: An organometallic compound includes a hexadentate ligand bonded to a metal atom (M1). An energy level (E3MC) of a 3MC state (triplet metal centered state) of the organometallic compound is higher than an energy level (E3MLCT) of a 3MLCT state (triplet metal-to-ligand charge transfer state) of the organometallic compound.