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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：US20170062758A1
公开(公告)日：2017-03-02
申请号：US15253259
申请日：2016-08-31
Applicant: Samsung Display Co., Ltd.
Inventor： Illsoo PARK , Seulong KIM , Sunghun LEE , Jaeyong LEE , Mugyeom KIM , Hyosup SHIN
CPC classification number: H01L51/5237 , C23C14/12 , C23C14/24 , H01L51/001 , H01L51/5012 , H01L51/5036 , H01L51/5256 , H01L51/56 , H01L2251/55 , H01L2251/556
Abstract: A display apparatus includes an emission portion disposed on a substrate and comprising an intermediate layer; and an encapsulation portion sealing the emission portion by overlapping the emission portion, wherein the intermediate layer comprises at least two organic materials, the organic materials having different phase transition temperatures at a first saturated vapor pressure in a range from 5×10−4 Torr to 3×10−2 Torr, and the difference between the phase transition temperatures being less than or equal to 5° C.
Abstract translation: 显示装置包括设置在基板上并包括中间层的发射部分; 以及封装部分，通过重叠所述发射部分来密封所述发射部分，其中所述中间层包括至少两种有机材料，所述有机材料在第一饱和蒸气压下具有不同的相变温度，范围为5×10-4乇至 3×10-2乇，相变温度之差小于或等于5℃。
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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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Patent Agency Ranking
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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公开(公告)号：US20210288279A1
公开(公告)日：2021-09-16
申请号：US17250461
申请日：2018-11-29
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Hyosup SHIN
Abstract: An organic light-emitting device may include: an anode; a cathode; an organic layer between the anode and the cathode and including an emission layer; and a first exciton quenching layer between the anode and the emission layer and in direct contact with the emission layer. The emission layer may include a host and a dopant, the first exciton quenching layer may include a first quenching material, and the host, the dopant, and the first quenching material may each satisfy Equations 1-1 and 1-2: T1(Q1)≤T1(H) Equation 1-1 T1(Q1)≤T1(D) Equation 1-2 wherein, in Equations 1-1 and 1-2, T1(Q1) indicates a lowest excited triplet energy level of the first quenching material, T1(H) indicates a lowest excited triplet energy level of the host, and T1(D) indicates a lowest excited triplet energy level of the dopant.
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公开(公告)号：US20210249606A1
公开(公告)日：2021-08-12
申请号：US17160205
申请日：2021-01-27
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Eungdo KIM , Hyosup SHIN , Jaejin LYU , Jaeyong LEE , Hyeongu CHO
IPC: H01L51/00
Abstract: A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2: |ELUMO_HIL|>|ELUMO_HTL|+0.1 eV Equation 1 |EHOMO_HIL|>|EHOMO_HTL|+0.1 eV. Equation 2
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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：US20210043844A1
公开(公告)日：2021-02-11
申请号：US16987723
申请日：2020-08-07
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Hyosup SHIN
IPC: H01L51/00
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. The emission layer includes a first host, a first dopant, and a second dopant. The first dopant and the second dopant satisfy Equations 1-1 and 1-2: S1(D1)onset≥S1(D2)onset S1(D1)max≤S1(D2)max.
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