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公开(公告)号:US20210074918A1
公开(公告)日:2021-03-11
申请号:US16996543
申请日:2020-08-18
Applicant: Samsung Display Co., Ltd.
Inventor: Seulong KIM , Kyungsik KIM , Sungwook KIM , Seungjin CHU , Jaeweon HUR
IPC: H01L51/00
Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and comprising an emission layer; and an electron transport region between the emission layer and the second electrode, wherein the electron transport region comprises a first auxiliary layer and a second auxiliary layer, the first auxiliary layer is between the emission layer and the second auxiliary layer, the first auxiliary layer comprises a first compound, the second auxiliary layer comprises a second compound, the second compound comprises at least one 7 electron-depleted nitrogen-containing ring, and the organic light-emitting device satisfies equations: T1(EML)≥T1(AXL1)+0.3 eV and T1(AXL2)≥T1(AXL1)+0.5 eV.
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公开(公告)号:US20210028368A1
公开(公告)日:2021-01-28
申请号:US16933751
申请日:2020-07-20
Applicant: Samsung Display Co., Ltd.
Inventor: Jiyoung SONG , Seulong KIM , Pilgu KANG , Eungyoung PARK , Soonchul CHANG , Dongseob JEONG , Jaehoon HWANG
Abstract: A condensed cyclic compound is represented by Formula 1 and satisfies Equation 1. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including at least one light-emitting unit; and at least one of the condensed cyclic compound. |EH,HOMO−EH,HOMO-1|≤0.3 eV Equation 1
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公开(公告)号:US20190173027A1
公开(公告)日:2019-06-06
申请号:US16121365
申请日:2018-09-04
Applicant: Samsung Display Co., Ltd.
Inventor: Seulong KIM , Daeyup SHIN
Abstract: A condensed cyclic compound that emits high-efficiency delayed fluorescence is provided. The compound may be represented by Formula 1, in which A is a moiety represented by Formula 1-1. In Formula 1-1, X1 may be a carbon or silicon atom linked to B1 and B2, and X2 may be a carbon or silicon atom linked to B3 and B4. When the compound represented by Formula 1 satisfies ES1
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公开(公告)号:US20190044076A1
公开(公告)日:2019-02-07
申请号:US16037937
申请日:2018-07-17
Applicant: Samsung Display Co., Ltd. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
Inventor: Daeyup SHIN , Seulong KIM , Taekyung KIM , Jungsub LEE , Soon-ki KWON , Yun-hi KIM , Yeonhee HA , Jaeyoung HWANG
IPC: H01L51/00 , C07D209/88 , C07D401/14 , C07F7/08 , C07D471/14 , C09K11/06
Abstract: Provided are a heterocyclic compound represented by Formula 1 below, and an organic electroluminescence device including the same in an emission layer. In Formula 1, X is a direct linkage or CR2R3, Z1 to Z8 are each independently CR4 or N, at least two of Z1, Z3, Z6 and Z8 are each independently CR5, and R5 is represented by Formula 2 or Formula 3 below.
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公开(公告)号:US20180158881A1
公开(公告)日:2018-06-07
申请号:US15889028
申请日:2018-02-05
Applicant: Samsung Display Co., Ltd
Inventor: Jino LIM , Seulong KIM , Younsun KIM , Dongwoo SHIN , Jungsub LEE , Hyein JEONG
CPC classification number: H01L27/3211 , C09K11/025 , C09K11/06 , C09K2211/185 , H01L51/0061 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0073 , H01L51/0074 , H01L51/0085 , H01L51/5016 , H01L51/5056 , H01L51/5072 , H01L51/5088 , H01L51/5092 , H01L2251/5384
Abstract: An organic light-emitting device that includes a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and a hole transport region between the first electrode and the emission layer is presented. The emission layer includes a first compound represented by Formula 1, and the hole transport region includes a second compound represented by Formula 2:
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公开(公告)号:US20170294587A1
公开(公告)日:2017-10-12
申请号:US15480471
申请日:2017-04-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Younsun KIM , Seulong KIM , Dongwoo SHIN , Jungsub LEE , Jino LIM , Hyein JEONG
IPC: H01L51/00
Abstract: An organic light-emitting device including a first electrode; a second electrode; emission units stacked between the first electrode and the second electrode and including at least one emission layer; and charge generation layers between two adjacent emission units, the charge generation layers each including an n-type charge generation layer and p-type charge generation layer, a maximum emission wavelength of light emitted by at least one of the emission units is different from that of another emission unit, one n-type charge generation layer includes a first compound and a metal-containing material, the first compound being represented by Formula 1, the p-type charge generation layers include an amino group-free compound, at least one of the emission units further includes a hole transporting (HT)-emission auxiliary layer on a first electrode side thereof, and the HT-emission auxiliary layer includes at least one second compound, the second compound being represented by Formula 2:
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公开(公告)号:US20160118590A1
公开(公告)日:2016-04-28
申请号:US14630247
申请日:2015-02-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor: Naoyuki ITO , Seulong KIM , Younsun KIM , Dongwoo SHIN , Jungsub LEE
IPC: H01L51/00
CPC classification number: H01L51/0058 , C09B1/00 , C09B3/14 , C09B23/148 , C09B57/00 , C09B57/001 , C09B57/008 , C09B57/10 , H01L51/0052 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/5024 , H01L2251/5384
Abstract: An organic light-emitting device including a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the emission layer includes a first host represented by Formula 1 and a second host represented by one of Formulae 2-1 to 2-3:
Abstract translation: 一种有机发光装置,包括:第一电极; 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,其中所述发射层包括由式1表示的第一主体和由式2-1至2-3之一表示的第二主体:
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