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公开(公告)号：US11575087B1
公开(公告)日：2023-02-07
申请号：US17511495
申请日：2021-10-26
发明人： Hiroaki Toyoshima , Kazuki Nishimura , Emiko Kambe , Masato Nakamura , Tetsuya Masuda , Yusuke Takahashi
摘要： An organic electroluminescence device includes: an emitting region provided between a cathode and an anode; and a hole transporting zone provided between the anode and the emitting region, in which the hole transporting zone includes at least a first anode side organic layer and a second anode side organic layer, the first anode side organic layer is in direct contact with the second anode side organic layer, a total film thickness of the hole transporting zone is in a range from 20 nm to 80 nm, the first anode side organic layer contains no compound contained in the second anode side organic layer, the first anode side organic layer contains a first organic material and a second organic material, the first organic material is different from the second organic material, and a content of the first organic material in the first anode side organic layer is less than 50 mass %.
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公开(公告)号：US11456432B2
公开(公告)日：2022-09-27
申请号：US16759788
申请日：2018-11-01
发明人： Takayasu Sado , Tetsuya Masuda , Yoshiaki Takahashi , Emiko Kambe
摘要： A top emission organic EL device includes an anode, hole transporting zone, emitting layer, electron transporting zone, and cathode in this order. The hole transporting zone includes: a first layer interposed between the anode and the emitting layer; and a second layer interposed between the first layer and the emitting layer. The first layer contains a first compound and the second layer contains a second compound. A film thickness of the first layer and the second layer satisfies a formula (1) and (2), respectively. A hole mobility μH1 of the first compound satisfies a formula (3) and a hole mobility μH2 of the second compound satisfies a formula (4), 100 nm≤d1≤300 nm (1) 1 nm≤d2≤20 nm (2) 1.0×10−4 [cm2/Vs]≤μH1≤1.0×10−1 [cm2/Vs] (3) 1.0×10−10 [cm2/Vs]≤μH2≤1.0×10−6 [cm2/Vs] (4).
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公开(公告)号：US11411182B1
公开(公告)日：2022-08-09
申请号：US17519770
申请日：2021-11-05
摘要： A mixed powder for an organic electroluminescence device, including a first organic compound and a different second organic compound, wherein the mixed powder is solid at normal temperature and pressure, and the following formulas (1) and (2) are satisfied: 0
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公开(公告)号：US10862049B2
公开(公告)日：2020-12-08
申请号：US15928636
申请日：2018-03-22
IPC分类号： H01L51/00 , C09K11/06 , C07D403/14 , C07D209/86 , H01L51/50
摘要： A composition contains a mixture of at least two compounds, the at least two compounds containing a first compound represented by a formula (1) and a second compound represented by a formula (2). In the formula (1), R1 to R4, A1 and A2 include five cyclic structures in total each represented by a formula (1a) below. In the formula (2), one of A3 and A4 is a substituent represented by a formula (2a), and the other thereof is represented by a formula (2b).
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公开(公告)号：US10103338B1
公开(公告)日：2018-10-16
申请号：US15823558
申请日：2017-11-27
发明人： Yuki Nakano , Hirokatsu Ito , Tetsuya Masuda
IPC分类号： H01L51/50 , H01L51/00 , C07D307/91 , C07D209/86 , C09K11/06
摘要： An organic electroluminescence device comprising an anode, a cathode and an organic layer between the anode and the cathode, the organic layer comprising an emitting layer and at least one layer between the emitting layer and the anode, the emitting layer comprising a compound represented by the following formula (1), and the at least one layer between the emitting layer and the anode comprising a compound represented by the following formula (2):
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公开(公告)号：US11665962B2
公开(公告)日：2023-05-30
申请号：US16636191
申请日：2018-08-09
发明人： Yuki Nakano , Hirokatsu Ito , Tetsuya Masuda
IPC分类号： H01L51/50 , H01L51/00 , C07D307/91 , C07D209/86 , C09K11/06 , C09K11/02
CPC分类号： H01L51/0073 , C07D209/86 , C07D307/91 , C09K11/025 , C09K11/06 , H01L51/006 , H01L51/0052 , H01L51/0058 , H01L51/0061 , H01L51/0072 , H01L51/5056 , C09K2211/1029 , C09K2211/1088 , H01L51/506 , H01L51/5012 , H01L51/5016 , H01L51/5064 , H01L51/5088 , H01L2251/5376
摘要： This organic electroluminescence element includes an anode, a cathode, and an organic layer disposed between the anode and the cathode. The organic layer includes a light-emitting layer and at least one layer disposed between the light-emitting layer and the anode. The light-emitting layer includes a compound represented by formula (1), and the at least one layer disposed between the light-emitting layer and the anode includes a compound represented by formula (2).
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公开(公告)号：US11552251B2
公开(公告)日：2023-01-10
申请号：US16077966
申请日：2017-02-13
发明人： Ryota Takahashi , Tomoki Kato , Hirokatsu Ito , Masahiro Kawamura , Masakazu Funahashi , Hiroyuki Saito , Yuichiro Kawamura , Yoshiaki Takahashi , Tetsuya Masuda , Hitoshi Kuma
IPC分类号： H01L51/50 , H01L51/00 , C07C211/61 , C07D251/24 , C09K11/06 , C07D239/26 , C07D239/74 , C07D213/16 , C07D241/12 , C07D333/76 , C07D307/92 , C07D231/56 , C07D333/74 , C07D213/22 , C07D237/08 , C07D209/86 , C07D471/04 , C07D235/18 , H01L51/56
摘要： The compound represented by formula (1): wherein A, B, R1, and R2 are as defined in the description, provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.
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公开(公告)号：US10797244B2
公开(公告)日：2020-10-06
申请号：US15328747
申请日：2016-04-28
发明人： Tomoharu Hayama , Tetsuya Masuda , Masahiro Kawamura , Hirokatsu Ito , Yumiko Mizuki , Tomoki Kato , Takushi Shiomi
IPC分类号： H01L51/00 , C07D401/10 , H01L51/50
摘要： A compound is represented by a formula (1). In the formula (1); Ar represents an aromatic hydrocarbon group or a heterocyclic group having 4 or more fused rings and 22 or less ring atoms; Ar optionally has a substituent; R11 is a substituted or unsubstituted aromatic hydrocarbon group; when R11 is an aromatic hydrocarbon group having a substituent, the substituent is not a heterocyclic group; X1 represents a nitrogen atom or a carbon atom bonded with R12 (CR12); R12 represents a hydrogen atom or a substituent; L1 represents a single bond or a linking group; X2 and X3 each independently represent a nitrogen atom or a carbon atom bonded with R2 (CR2); R1 and R2 each independently represent a hydrogen atom or a substituent; and L2 is a linking group.
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公开(公告)号：US12133462B2
公开(公告)日：2024-10-29
申请号：US17602268
申请日：2020-04-08
发明人： Hiroaki Itoi , Yuki Nakano , Satomi Tasaki , Taro Yamaki , Tetsuya Masuda
IPC分类号： H10K85/60 , H10K50/11 , H10K50/12 , H10K101/10
CPC分类号： H10K85/6574 , H10K85/622 , H10K85/623 , H10K85/624 , H10K85/626 , H10K85/6572 , H10K85/6576 , H10K50/11 , H10K50/12 , H10K2101/10
摘要： An organic electroluminescence device including: a cathode, an anode, and an organic layer disposed between the cathode and the anode, wherein the organic layer comprises an emitting layer and a first layer, the first layer is disposed between the cathode and the emitting layer, the emitting layer comprises one or both of a compound represented by the following formula (1A) and a compound represented by the following formula (1B), and the first layer comprises a compound represented by the following formula (BE1):
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公开(公告)号：US12058930B2
公开(公告)日：2024-08-06
申请号：US16971244
申请日：2019-02-20
发明人： Tetsuya Masuda , Yuki Nakano , Takushi Shiomi
IPC分类号： H10K85/60 , C09K11/06 , H10K50/16 , H10K101/00
CPC分类号： H10K85/654 , C09K11/06 , H10K85/6574 , C09K2211/1007 , C09K2211/1011 , C09K2211/1018 , H10K50/166 , H10K2101/27
摘要： An organic electroluminescence device, comprising: an anode, an emitting layer, a first electron-transporting layer, a second electron-transporting layer and a cathode in this order, wherein the second electron-transporting layer comprises a compound represented by the following formula (1), and the emitting layer comprises a compound represented by the following formula (10).
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