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公开(公告)号：US20200381646A1
公开(公告)日：2020-12-03
申请号：US16886441
申请日：2020-05-28
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Hyosup SHIN , Hyojeong KIM
Abstract: Provided are an organic light-emitting device and an electronic 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 an emission layer, wherein the emission layer includes a first host and a first dopant, and the first host and the first dopant each satisfy Equations 1-1 and 1-2. In Equations 1-1 and 1-2, T1(H1)onset, T1(D1)onset, T1(H1)max, and T1(D1)max are understood by referring to the description provided herein. T1(H1)onset≥T1(D1)onset Equation 1-1 T1(H1)max≤T1(D1)max. Equation 1-2
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公开(公告)号：US20230084176A1
公开(公告)日：2023-03-16
申请号：US17858953
申请日：2022-07-06
Applicant: Samsung Display Co., Ltd.
Inventor： Yeongrong PARK , Kyungsik KIM , Seokgyu YOON , Jaeyong LEE , Hyeonmi LEE , Kunwook CHO
IPC: H01L51/00 , C07D405/12 , C09K11/06 , C07D209/88
Abstract: A light-emitting device and an electronic apparatus including the light-emitting device, in which the 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 including an emission layer, wherein the interlayer further includes a hole transport region between the first electrode and the emission layer, the first electrode includes a metal oxide having a work function of 5.3 eV or more, and the hole transport region includes a heterocyclic compound represented by Formula 1: wherein the detailed description of Formula 1 is the same as described in the present specification.
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公开(公告)号：US20210257575A1
公开(公告)日：2021-08-19
申请号：US17162538
申请日：2021-01-29
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Mieun JUN , Hyeongu CHO , Jaejin LYU
Abstract: A light-emitting device includes an emission layer that includes a host, a first dopant, and a second dopant, and an electronic apparatus includes the same. In the emission layer, a) the first dopant is a phosphorescent dopant, b) a Stokes shift of the second dopant is less than or equal to 15 nm, and c) a spectral overlap integral of an emission spectrum of the first dopant and an absorption spectrum of the second dopant may be greater than or equal to 1.5×1015 M−1 cm−1 nm4, and accordingly, the emission efficiency (for example, external quantum efficiency) and lifespan of the light-emitting device may be improved.
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公开(公告)号：US20210143329A1
公开(公告)日：2021-05-13
申请号：US17250453
申请日：2018-11-29
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Hyojeong KIM , Hyosup SHIN
IPC: H01L51/00
Abstract: An organic light-emitting device may include: an anode; a cathode; an organic layer located between the anode and the cathode and including an emission layer; an electron blocking layer located between the anode and the emission layer and in direct contact with the emission layer; and a hole blocking layer located between the cathode and the emission layer and in direct contact with the emission layer. The emission layer may include a host and a dopant, the electron blocking layer may be an electron blocking material, the hole blocking layer may include a hole blocking material, and the host, the dopant, the electron blocking material, and the hole blocking material may each satisfy Equations 1-1 to 1-4: T1(EB)≥T1(H) Equation 1-1 T1(EB)≥T1(D) Equation 1-2 T1(HB)>T1(H) Equation 1-3 T1(HB)>T1(D). Equation 1-4
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公开(公告)号：US20190067589A1
公开(公告)日：2019-02-28
申请号：US16106520
申请日：2018-08-21
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seokgyu YOON , Shuri SATO , Junta FUCHIWAKI , Yoshimasa FUJITA
Abstract: An organic electroluminescence device including a first electrode; a hole transport region on the first electrode; a light emitting layer on the hole transport region; an electron transport region on the light emitting layer; and a second electrode on the electron transport region, wherein the light emitting layer includes a first compound satisfying Formula 1 below and a second compound satisfying Formula 2 below, and the first compound has a full width at half maximum of 60 nm or less: V2>V1 [Formula 1] K1>1.1×K2. [Formula 2]
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Patent Agency Ranking
公开(公告)号：US20210104689A1
公开(公告)日：2021-04-08
申请号：US16923539
申请日：2020-07-08
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung KIM , Minje KIM , Eungdo KIM , Hyojeong KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
IPC: H01L51/00
Abstract: An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by Formula 4, each as respectively described in the detailed description.
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公开(公告)号：US20210104683A1
公开(公告)日：2021-04-08
申请号：US17028894
申请日：2020-09-22
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung KIM , Minje KIM , Eungdo KIM , Hyojeong KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Hyein JEONG
Abstract: An organic light-emitting device and an apparatus including the same are disclosed. 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. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.
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公开(公告)号：US20210104682A1
公开(公告)日：2021-04-08
申请号：US16919858
申请日：2020-07-02
Applicant: Samsung Display Co., Ltd.
Inventor： Hyosup SHIN , Minje KIM , Eungdo KIM , Hyunyoung KIM , Hyojeong KIM , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
Abstract: An organic light-emitting device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, and the emission layer includes a first compound as a hole transport compound, a second compound as an electron transport compound, a third compound as a metal complex compound, and a fourth compound as a boron-based compound.
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公开(公告)号：US20210104681A1
公开(公告)日：2021-04-08
申请号：US16859894
申请日：2020-04-27
Applicant: Samsung Display Co., Ltd.
Inventor： Hyojeong KIM , Minje KIM , Eungdo KIM , Hyunyoung KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset Condition 1-1 T1(C3)max≥S1(C4)max Condition 1-2 KRISC(C4)≥103S−1 Condition 2 f(C4)≥0.1. Condition 3
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公开(公告)号：US20170062727A1
公开(公告)日：2017-03-02
申请号：US15070313
申请日：2016-03-15
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jinsoo HWANG , Seokgyu YOON , Hyein JEONG
CPC classification number: H01L51/0061 , H01L27/3211 , H01L51/0052 , H01L51/0058 , H01L51/006 , H01L51/0067 , H01L51/0073 , H01L51/5056 , H01L51/5064 , H01L2251/558
Abstract: An 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 a hole transport region disposed between the first electrode and the emission layer. The hole transport region includes a first compound represented by Formula 1 and a second compound represented by Formula 2, and the first compound and the second compound are different from each other.
Abstract translation: 有机发光装置包括第一电极，面对第一电极的第二电极，设置在第一电极和第二电极之间的发射层，以及设置在第一电极和发射层之间的空穴传输区域。 空穴传输区域包括由式1表示的第一化合物和由式2表示的第二化合物，第一化合物和第二化合物彼此不同。
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