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公开(公告)号：US20230128708A1
公开(公告)日：2023-04-27
申请号：US18079612
申请日：2022-12-12
发明人： Ryota TAKAHASHI , Hidetsugu IKEDA , Keita SEDA , Yuki NAKANO
IPC分类号： H01L51/00 , C07D491/22 , C09K11/06 , C07D487/22
摘要： An organic electroluminescence device comprising: a cathode, an anode, and at least one organic layer disposed between the cathode and the anode, wherein at least one layer of the at least one organic layer comprises a compound represented by the following formulas (1-1) and (1-3) or a compound represented by the following formulas (1-2) and (1-3).
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公开(公告)号：US20230124121A1
公开(公告)日：2023-04-20
申请号：US17907371
申请日：2021-03-16
发明人： Go WATANABE
IPC分类号： C10M169/00 , C10M107/08 , C10M115/08 , C10M133/16 , C10M129/40 , C10M141/06
摘要： A grease composition which contains a base oil (A), a urea-based thickener (B), a sarcosine derivative (C), and a fatty acid zinc salt (D), wherein particles containing the urea-based thickener (B) in the grease composition satisfies Requirement (I). The base oil (A) is a blended base oil containing a high viscosity hydrocarbon-based synthetic oil having a specific kinematic viscosity (A1). A low viscosity hydrocarbon-based synthetic oil having a specific kinematic viscosity (A2). An ultra-high viscosity hydrocarbon-based synthetic oil has a number average molecular weight (Mn) of 2,500 to 4,500 and a specific kinematic viscosity (A3). A 40° C. kinematic viscosity of the base oil (A) is 500 mm2/s to 1,500 mm2/s. A viscosity index of the base oil (A) is 140 or more. A content of the fatty acid zinc salt (D) is 10 mass % to 20 mass % based on a total amount of the grease composition.
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公开(公告)号：US20230123637A1
公开(公告)日：2023-04-20
申请号：US17886342
申请日：2022-08-11
发明人： Masato NAKAMURA , Emiko KAMBE
摘要： An organic EL device includes: an anode; a cathode; an anode side emitting unit; a cathode side emitting unit; a charge generating unit; a first organic layer having a thickness of 40 nm or less; and a second organic layer, in which the anode side emitting unit includes a first emitting layer which is provided close to the anode, a difference between an ionization potential Ip(H1) of a first host material in the first emitting layer and an ionization potential Ip(EBL) of a first organic material in the first organic layer satisfies a relationship of a numerical formula (Numerical Formula A1) below, Ip(H1)−Ip(EBL)≤0.4 eV (Numerical Formula A1).
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公开(公告)号：US20230118654A1
公开(公告)日：2023-04-20
申请号：US17759887
申请日：2021-02-03
发明人： Tasuku HAKETA , Yusuke TAKAHASHI , Shota TANAKA , Hirokatsu ITO
IPC分类号： H10K85/60 , C07D333/76
摘要： A compound that further improves the performance of an organic EL device, an organic electroluminescent device having a further improved device performance, and an electronic device including the organic EL device are provided, and a compound represented by the following formula (1) (the symbols in the formula are defined in the description), an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device are provided.
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公开(公告)号：US11618740B2
公开(公告)日：2023-04-04
申请号：US16864185
申请日：2020-05-01
发明人： Yu Kudo , Tasuku Haketa , Hirokatsu Ito
IPC分类号： C07C211/61 , C07D307/91 , H01L51/00 , H01L51/50
摘要： A compound represented by formula (A): wherein Ar, R1 to R7, R11 to R14, R21 to R24, R31 to R34, *1, and R41 to R48 are as defined in the description provides organic electroluminescence devices with improved device performance.
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公开(公告)号：US11600780B1
公开(公告)日：2023-03-07
申请号：US17341252
申请日：2021-06-07
发明人： Satomi Tasaki , Taro Yamaki , Hiroaki Itoi , Yuki Nakano , Yuichiro Kawamura
摘要： An organic electroluminescence device including: an anode, a cathode, and at least one emitting layer between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, the first host material is a compound having at least one deuterium atom, and the emitting layer contains the first host material in the proportion of 1% by mass or more.
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公开(公告)号：US20230042547A1
公开(公告)日：2023-02-09
申请号：US17843290
申请日：2022-06-17
IPC分类号： H01L51/00 , C07D409/14
摘要： A compound represented by the following formula (1):
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公开(公告)号：US20230039111A1
公开(公告)日：2023-02-09
申请号：US17792362
申请日：2021-01-15
发明人： Yasuhito NAKAHARA , Hiroyuki TATSUMI , Keiichi NARITA , Koki ITO
IPC分类号： C10M131/04 , C10M101/02 , C10M169/04
摘要： A lubricating oil composition which contains a base oil and a fluorine compound and may have improved cooling performance. The base oil may contain a mineral oil. The base oil may have a kinematic viscosity in a range of from 1 to 25 mm2/s at 40° C. The content of the fluorine compound may be in a range of from 3 to 30% by weight based on the total amount of the composition.
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公开(公告)号：US20230027888A1
公开(公告)日：2023-01-26
申请号：US17808015
申请日：2022-06-21
IPC分类号： H01L51/00 , C07D409/12 , C09K11/06
摘要： There is provided an organic EL device, including: an anode; a cathode; an emitting layer provided between the anode and the cathode; a first layer provided between the anode and the emitting layer; and a second layer provided between the anode and the first layer, in which the emitting layer contains a delayed fluorescent compound, the first layer contains a first compound, the second layer contains a second compound, an ionization potential Ip(HT1) of the first compound satisfies Numerical Formula 1, a hole mobility μh(HT1) of the first compound satisfies Numerical Formula 2, an ionization potential Ip(HT2) of the second compound satisfies Numerical Formula 3, and the first layer has a film thickness of 15 nm or more, Ip(HT1)≥5.69 eV (Numerical Formula 1) μh(HT1)≥1.00×10−5 cm2/Vs (Numerical Formula 2) Ip(HT2)≥5.60 eV (Numerical Formula 3).
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公开(公告)号：US20230014964A1
公开(公告)日：2023-01-19
申请号：US17820600
申请日：2022-08-18
IPC分类号： H01L51/00 , C09K11/06 , C07D491/048 , H01L51/50
摘要： An organic electroluminescence device includes an anode, an emitting layer, and a cathode. The emitting layer contains a delayed fluorescent first compound, a fluorescent second compound, and a third compound represented by Cz-Az. The second compound emits light with a main peak wavelength ranging from 430 nm to 540 nm. Az is a cyclic structure selected from the group consisting of a substituted or unsubstituted pyridine ring, a substituted or unsubstituted pyrimidine ring, a substituted or unsubstituted triazine ring, and a substituted or unsubstituted pyrazine ring. Cz is represented by a formula (3B) below.
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