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公开(公告)号：US20210098713A1
公开(公告)日：2021-04-01
申请号：US16904419
申请日：2020-06-17
Applicant: Samsung Display Co., Ltd.
Inventor： Hyewon CHOI , Tsuyoshi Naijo , Yunjee Park , Sung-Soo Bae , Dongchan Lee
Abstract: An organic electroluminescence device of the present embodiments includes a first electrode, a second electrode on the first electrode, and a first emission layer and a second emission layer, both between the first electrode and the second electrode, wherein the first emission layer includes a first host and a first dopant including an anthracene-based compound, the second emission layer includes a second host represented by Formula H-1 and a second dopant including an organometal compound, and the first emission layer and the second emission layer are adjacent to each other. The device of the present embodiments thereby shows high emission efficiency and long-life characteristics.
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公开(公告)号：US20230225144A1
公开(公告)日：2023-07-13
申请号：US18179306
申请日：2023-03-06
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seungjin Chu , Kyungsik Kim , Sungwook Kim , Seulong Kim , Tsuyoshi NAIJO , Yunjee Park , Sungsoo Bae , Dongchan Lee , Hyewon Choi , Jaeweon Hur
IPC: H01L51/00
CPC classification number: H10K50/12 , H10K85/654 , H10K85/6572 , H10K85/6574 , H10K85/324 , H10K85/615 , H10K50/16 , H10K50/15
Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3:
T1(D)≥T1(Mix)+0.3 eV Equation 1
T1(H)≥T1(Mix)+0.3 eV Equation 2
T1(Mix)-
3.发明申请CONDENSED CYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME 审中-公开浓缩环化合物和有机发光装置，包括它们公开(公告)号：US20170077422A1
公开(公告)日：2017-03-16
申请号：US15263136
申请日：2016-09-12
Applicant: SAMSUNG DISPLAY CO., LTD. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
Inventor： Mikyung Kim , Yunhi Kim , Soonki Kwon , Heeyeon Kim , Yunjee Park , Hyein Jeong , Jaeyoung Hwang
IPC: H01L51/00 , C09K11/06 , C07D487/04 , C09K11/02
CPC classification number: H01L51/0072 , C07D487/04 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/1033 , C09K2211/1037 , C09K2211/1044 , C09K2211/1092 , C09K2211/185 , H01L51/0052 , H01L51/0065 , H01L51/0067 , H01L51/0085 , H01L51/5016
Abstract: An 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 including an emission layer, wherein the organic layer includes at least one condensed cyclic compound of Formula 1: An organic light-emitting device including the condensed cyclic compound according to embodiments of the present disclosure may have low driving voltage, high efficiency, high luminance, and long lifespan.
Abstract translation: 包括根据本发明的实施方案的缩合的环状化合物的有机发光器件可具有低驱动电压，高效率，高亮度和长寿命。
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公开(公告)号：US12219789B2
公开(公告)日：2025-02-04
申请号：US16992837
申请日：2020-08-13
Applicant: Samsung Display Co., Ltd.
Inventor： Seulong Kim , Tsuyoshi Naijo , Yunjee Park , Sungsoo Bae , Dongchan Lee , Hyewon Choi
Abstract: An 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, wherein the organic layer includes an emission layer, a first auxiliary layer, a second auxiliary layer, and an electron transport layer, the first auxiliary layer and the second auxiliary layer are disposed between the emission layer and the electron transport layer, the first auxiliary layer includes a first compound including a carbocyclic group that has three or more rings, and the second auxiliary layer includes: (i) a second compound that is a bipolar compound, (ii) a third compound that is a hole transport compound and a fourth compound that is an electron transport compound, or (iii) the second compound that is the bipolar compound and the fourth compound that is the electron transport compound.
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Patent Agency Ranking
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：US11980091B2
公开(公告)日：2024-05-07
申请号：US17023189
申请日：2020-09-16
Applicant: Samsung Display Co., Ltd. , Lapto Co., Ltd.
Inventor： Dongchan Lee , Eu-gene Oh , SeulOng Kim , Yunjee Park , Munsoo Kim , JuWan Maeng , Kap-jong Han
IPC: H10K85/60 , C07D498/04 , C07D513/04 , C09K11/02 , C09K11/06 , H10K50/11 , H10K101/10
CPC classification number: H10K85/657 , C07D498/04 , C07D513/04 , C09K11/02 , C09K11/06 , H10K85/636 , H10K85/6572 , C09K2211/1007 , C09K2211/1018 , H10K50/11 , H10K2101/10
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer includes a compound represented by Formula 1 below, and thus the organic electroluminescence device may exhibit high luminous efficiency characteristics and improved service life characteristics.
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公开(公告)号：US11626566B2
公开(公告)日：2023-04-11
申请号：US16996599
申请日：2020-08-18
Applicant: Samsung Display Co., Ltd.
Inventor： Seungjin Chu , Kyungsik Kim , Sungwook Kim , Seulong Kim , Tsuyoshi Naijo , Yunjee Park , Sungsoo Bae , Dongchan Lee , Hyewon Choi , Jaeweon Hur
Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3: T1(D)≥T1(Mix)+0.3 eV Equation 1 T1(H)≥T1(Mix)+0.3 eV Equation 2 T1(Mix)
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公开(公告)号：US09825107B2
公开(公告)日：2017-11-21
申请号：US14662849
申请日：2015-03-19
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Yunjee Park , Mikyung Kim , Jihyun Seo , Sungkyung Kim , Seunggak Yang
CPC classification number: H01L27/3248 , H01L51/0054 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0065 , H01L51/0067 , H01L51/0072 , H01L51/0074 , H01L51/0085 , H01L51/506 , H01L51/5064
Abstract: An organic light-emitting device and a flat panel display apparatus, the device including 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 organic layer includes a hole transport region between the first electrode and the emission layer, the hole transport region including an auxiliary layer and at least one selected from a hole transport layer and a hole injection layer, and an electron transport region between the emission layer and the second electrode, the electron transport region including at least one selected from a hole blocking layer, an electron transport layer, and an electron injection layer, wherein the auxiliary layer includes a compound represented by Formula 1 and a compound represented by Formula 2:
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公开(公告)号：US09490434B2
公开(公告)日：2016-11-08
申请号：US14696570
申请日：2015-04-27
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jihyun Seo , Mikyung Kim , Yunjee Park , Seunggak Yang
CPC classification number: H01L51/0074 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/006 , H01L51/0061 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/5004 , H01L51/5012 , H01L51/5016 , H01L51/506 , H01L51/5064 , H01L51/5072 , H01L51/5088 , H01L51/5206 , H01L2251/308 , H01L2251/552
Abstract: An organic light-emitting device includes an organic layer including an emission layer between a first electrode and the second electrode, and a hole transport region including an auxiliary layer between the first electrode and the emission layer, the hole transport region. The auxiliary layer includes a first material and a second material that satisfy Equations 1-1 and 1-2: 0 eV 0 eV wherein in Equation 1-1 and 1-2, EH1 is a highest occupied molecular orbital energy (HOMO energy) of the first material; EL1 is a lowest unoccupied molecular orbital energy (LUMO energy) of the first material; EH2 is a HOMO energy of the second material; and EL2 is a LUMO energy of the second material.
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