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公开(公告)号：US12274117B2
公开(公告)日：2025-04-08
申请号：US17399013
申请日：2021-08-10
Applicant: Samsung Display Co., Ltd.
Inventor： Tsuyoshi Naijo , Hyunyoung Kim , Hyosup Shin , Jiyoung Lee
IPC: H01L51/50 , H10K50/11 , H10K50/18 , H10K85/30 , H10K85/40 , H10K85/60 , H10K101/00 , H10K101/10 , H10K101/30
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：US12096683B2
公开(公告)日：2024-09-17
申请号：US17035552
申请日：2020-09-28
Applicant: Samsung Display Co., Ltd.
Inventor： Jungsub Lee , Hyunyoung Kim , Jiyoung Lee , Hyejin Jung , Minje Kim , Eung Do Kim , Hyojeong Kim , Hyosup Shin , Seokgyu Yoon , Youngki Lee , Kunwook Cho , Hyeon Gu Cho , Minsoo Choi , Youngeun Choi , Hyein Jeong , Jaejin Lyu
CPC classification number: H10K85/6572 , H10K85/342 , H10K85/344 , H10K85/346 , H10K85/348 , H10K85/371 , H10K85/40 , H10K85/636
Abstract: An organic electroluminescence device according to an embodiment of the present disclosure includes a first electrode, a second electrode, and an emission layer. The emission layer includes host compounds and dopant compounds. The hot compounds include a first host compound represented by Formula 1, and a second host compound represented by Formula 2, and the dopant compounds include an assistant dopant compound represented by Formula 3, and a light-emitting dopant compound represented by Formula 4:
Accordingly, the organic electroluminescence device according to an embodiment may achieve high efficiency and long life.-
公开(公告)号：US11985839B2
公开(公告)日：2024-05-14
申请号：US17250461
申请日：2018-11-29
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu Yoon , Hyosup Shin
IPC: H10K50/15 , C09K11/06 , H10K30/80 , H10K50/11 , H10K50/16 , H10K50/17 , H10K50/18 , H10K85/60 , H10K101/00 , H10K101/10
CPC classification number: H10K50/15 , C09K11/06 , H10K30/865 , H10K50/11 , H10K50/16 , H10K50/171 , H10K50/18 , H10K85/633 , H10K85/6572 , H10K85/6574 , C09K2211/1007 , C09K2211/1018 , H10K2101/10 , H10K2101/90
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.-
公开(公告)号：US20240155861A1
公开(公告)日：2024-05-09
申请号：US18335401
申请日：2023-06-15
Applicant: Samsung Display Co., LTD.
Inventor： Tsuyoshi Naijo , Yunjee Park , Sungsoo Bae , Hojung Syn , Hyosup Shin , Jiyoung Lee , Changwoong Chu
CPC classification number: H10K50/13 , C07F15/0086 , H10K50/12 , H10K50/15 , H10K50/16 , H10K85/346 , H10K2101/90
Abstract: Embodiments provide an organic light-emitting device and an electronic apparatus including the organic light-emitting device. The organic light-emitting device includes a first electrode, a second electrode facing the first electrode, m light-emitting units stacked between the first electrode and the second electrode and each including an emission layer, and m−1 charge generation layers between adjacent ones of the m light-emitting units, wherein m is an integer of 2 or more, at least one of the emission layers of the light-emitting units includes a first emission layer and a second emission layer, the first emission layer includes a first host, a second host, a first dopant, and a second dopant, the second emission layer includes a third host and a third dopant.
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公开(公告)号：US11832467B2
公开(公告)日：2023-11-28
申请号：US17223952
申请日：2021-04-06
Applicant: Samsung Display Co., Ltd.
Inventor： Hyosup Shin , Tsuyoshi Naijo , Hyunyoung Kim , Dongyoun Yoo , Jiyoung Lee
IPC: H10K50/12 , H10K59/12 , H10K59/38 , H10K85/30 , H10K85/60 , H10K101/30 , H10K101/20 , H10K101/00
CPC classification number: H10K50/121 , H10K59/12 , H10K59/38 , H10K85/322 , H10K85/342 , H10K85/6572 , H10K2101/20 , H10K2101/30 , H10K2101/80
Abstract: A light-emitting device including a first electrode; a second electrode facing the first electrode; and interlayer arranged between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a first emission layer and a second emission layer, the first emission layer includes a first dopant, wherein the second dopant is an electron-trapping dopant, and the second emission layer includes a third dopant and a fourth dopant, wherein the fourth dopant is a hole-trapping dopant.
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Patent Agency Ranking
公开(公告)号：US11818905B2
公开(公告)日：2023-11-14
申请号：US16886441
申请日：2020-05-28
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu Yoon , Hyosup Shin , Hyojeong Kim
IPC: H01L51/50 , H10K50/11 , H10K50/12 , H10K50/16 , H10K50/18 , H10K50/155 , H10K50/17 , H10K85/30 , H10K101/10
CPC classification number: H10K50/11 , H10K50/12 , H10K50/155 , H10K50/16 , H10K50/171 , H10K50/18 , H10K85/322 , H10K2101/10
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-
公开(公告)号：US20230189644A1
公开(公告)日：2023-06-15
申请号：US18164084
申请日：2023-02-03
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
CPC classification number: H10K85/6572 , H10K50/12 , H10K85/346 , H10K85/631 , H10K85/654 , H10K85/6574 , H10K30/353
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：US11605786B2
公开(公告)日：2023-03-14
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：US11575092B2
公开(公告)日：2023-02-07
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
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：US09812665B2
公开(公告)日：2017-11-07
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.
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