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公开(公告)号：US20220085313A1
公开(公告)日：2022-03-17
申请号：US17227886
申请日：2021-04-12
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung LEE , Makoto YAMAMOTO , Toshiyuki MATSUURA , Hyunyoung KIM , Hyosup SHIN
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 an emission layer. The emission layer may include a hole transporting host, an electron transporting host, a sensitizer, and a delayed fluorescence dopant. The hole transporting host and the electron transporting host may form an exciplex. The sensitizer may include an organometallic compound. The delayed fluorescence dopant may not include a metal atom, and the exciplex may satisfy specific Equations.
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公开(公告)号：US20210104688A1
公开(公告)日：2021-04-08
申请号：US16865180
申请日：2020-05-01
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung KIM , Youngeun CHOI , Minje KIM , Eungdo KIM , Hyojeong KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Jaejin LYU
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 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：US20230119261A1
公开(公告)日：2023-04-20
申请号：US18064787
申请日：2022-12-12
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)≥103 S−1 Condition 2 f(C4)≥0.1. Condition 3
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公开(公告)号：US20220310921A1
公开(公告)日：2022-09-29
申请号：US17522855
申请日：2021-11-09
Applicant: Samsung Display Co., Ltd.
Inventor： Hyosup SHIN , Soobyung KO , Tsuyoshi NAIJO , Jiyoung LEE
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 an emission layer, wherein the emission layer includes: a first host, a second host, and a dopant, at least one of the first host and the second host is an organometallic compound, and the first host, the second host, and the dopant satisfy the following Equation (1): |LUMO energy of H2−HOMO energy of H1|≥0.9×T1 energy of D.
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公开(公告)号：US20220190276A1
公开(公告)日：2022-06-16
申请号：US17399013
申请日：2021-08-10
Applicant: Samsung Display Co., Ltd.
Inventor： Tsuyoshi NAIJO , Hyunyoung KIM , Hyosup SHIN , Jiyoung LEE
Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer located between the first electrode and the second electrode and including an emission layer; and an electron transport region located between the emission layer and the second electrode and including: a hole blocking layer; and an electron transport layer, an electron injection layer, or any combination thereof, wherein the emission layer includes a first host, a second host, a first dopant, and a second dopant, and the electron transport region includes a layer including a red dopant compound.
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Patent Agency Ranking
公开(公告)号：US20210098721A1
公开(公告)日：2021-04-01
申请号：US16997715
申请日：2020-08-19
Applicant: Samsung Display Co., Ltd.
Inventor： Hyejin JUNG , Minje KIM , Eung Do KIM , Hyunyoung KIM , Hyojeong KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Kunwook CHO , Hyeon Gu CHO , Minsoo CHOI , Youngeun CHOI , Hyein JEONG
IPC: H01L51/00
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host and a second host which are different from each other, a first dopant including an organic metal complex containing Ir, Ru, Rh, Pt, Pd, Cu, or Os as a central metal atom, and a second dopant represented by Formula D-2 below, and thereby the organic electroluminescence device may exhibit high luminous efficiency and long service life characteristics.
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公开(公告)号：US20200373509A1
公开(公告)日：2020-11-26
申请号：US16707653
申请日：2019-12-09
Applicant: Samsung Display Co., Ltd.
Inventor： Jungsub LEE , Minje KIM , Hyojeong KIM , Jiyoung LEE , Kunwook CHO
Abstract: An organic light-emitting device and an apparatus including the organic light-emitting device.
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公开(公告)号：US20240130222A1
公开(公告)日：2024-04-18
申请号：US18528604
申请日：2023-12-04
Applicant: Samsung Display Co., Ltd.
Inventor： Hyejin JUNG , Minje KIM , EUNG DO KIM , Hyunyoung KIM , Hyojeong KIM , HYOSUP SHIN , SEOKGYU YOON , Youngki LEE , JUNGSUB LEE , Jiyoung LEE , Kunwook CHO , HYEON GU CHO , Minsoo CHOI , Youngeun CHOI , HYEIN JEONG
CPC classification number: H10K85/40 , H10K85/322 , H10K85/342 , H10K85/346 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/6576 , H10K50/11
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a first host and a second host which are different from each other, a first dopant including an organic metal complex containing Ir, Ru, Rh, Pt, Pd, Cu, or Os as a central metal atom, and a second dopant represented by Formula D-2 below, and thereby the organic electroluminescence device may exhibit high luminous efficiency and long service life characteristics.
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公开(公告)号：US20230225207A1
公开(公告)日：2023-07-13
申请号：US18095093
申请日：2023-01-10
Applicant: Samsung Display Co., Ltd.
Inventor： Jiyoung LEE , Tsuyoshi NAIJO , Jangyeol BAEK , Hyosup SHIN
CPC classification number: H10K85/658 , C07F5/027 , C09K11/06 , H10K50/12
Abstract: Embodiments provide a condensed cyclic compound, a light-emitting device including the condensed cyclic compound, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer; and the condensed cyclic compound. The condensed cyclic compound is represented by Formula 1:
The description of Formula 1 is provided in the specification.-
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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