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公开(公告)号：US20210351356A1
公开(公告)日：2021-11-11
申请号：US17280180
申请日：2019-10-09
Applicant: Konica Minolta, Inc.
Inventor： Shumpei HITOSUGI , Yasuo MIYATA , Shuho TANIMOTO
IPC: H01L51/00 , C09K11/06 , C07D471/06 , C07F7/08 , C07D221/18
Abstract: An imide derivative has a structure represented by general formula (1) below. In the general formula (1), a plurality of R1 each independently represent a hydrogen atom or a substituent. At least one R1 represents a group having 4 to 30 carbon atoms. A benzene ring or naphthalene ring optionally further has a substituent, and * represents a position of a substituent that the benzene ring or naphthalene ring optionally has.
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公开(公告)号：US20190280236A1
公开(公告)日：2019-09-12
申请号：US16347476
申请日：2017-11-22
Applicant: Konica Minolta, Inc.
Inventor： Kenichi TABATA , Yuta NAKAMURA , Taketo NAMIKAWA , Satoru INOUE , Yasuo MIYATA , Hiromoto II
Abstract: A luminescent film includes a host compound, a blue phosphorescent compound, and a blue fluorescent compound, in which an emission spectrum of the blue phosphorescent compound and an absorption spectrum of the blue fluorescent compound have portions overlapping with each other; shortest wavelength-side maximum emission wavelengths of the blue phosphorescent compound (abbreviated as “BPM” in the expression) and the blue fluorescent compound (abbreviated as “BFM” in the expression) satisfy the following expression (1): λBFM≥λBPM: expression (1) in which λBFM represents the shortest wavelength-side maximum emission wavelength of the blue fluorescent compound and λBPM represents the shortest wavelength-side maximum emission wavelength of the blue phosphorescent compound; and light emission derived from the blue fluorescent compound is detected.
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3.发明申请公开(公告)号：US20200044164A1
公开(公告)日：2020-02-06
申请号：US16582774
申请日：2019-09-25
Applicant: Konica Minolta, Inc.
Inventor： Yasuo MIYATA , Taketo NAMIKAWA , Hiroshi KITA
IPC: H01L51/00 , C07D413/14 , C07D219/02 , C07D241/48 , C09K11/06 , C07D401/12 , C07F5/02 , C07F7/08 , C07F7/10 , C07D401/10 , C07D265/38 , C07D487/04 , C07D403/12 , C07D241/46 , C07D409/10 , C07D417/10 , H05B33/20 , C07D403/10 , C07D279/22 , C07D209/86 , C07D307/91 , C07D333/76 , H01L51/50
Abstract: An object of the present invention is to provide an organic electroluminescent element containing an organic layer interposed between an anode and a cathode, the organic layer containing at least one light emitting layer, wherein the at least one light emitting layer contains a π-conjugated compound having an electron donor portion and an electron acceptor portion in the molecule; the π-conjugated compound has a direction vector from an atom having a HOMO orbital in the electron donor portion to an electron cloud of the HOMO orbital, and a direction vector from an atom having a LUMO orbital in the electron acceptor portion to an electron cloud of the LUMO orbital, and the two direction vectors form an angle θ in the range of 90 to 180 degrees; and the π-conjugated compound has a plurality of the electron donor portions or a plurality of the electron acceptor portions.
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公开(公告)号：US20180170914A1
公开(公告)日：2018-06-21
申请号：US15572412
申请日：2016-04-27
Applicant: Konica Minolta, Inc.
Inventor： Yasuo MIYATA , Taketo NAMIKAWA , Takayuki IIJIMA , Ryutaro SUGAWARA , Tetsuya YAMADA , Takatugu SUZUKI
IPC: C07D403/14 , C07D401/14 , C07D251/24 , C09K11/06 , H01L51/00 , H01L51/50
CPC classification number: C07D403/14 , C07C255/51 , C07D209/86 , C07D219/02 , C07D241/24 , C07D251/24 , C07D265/38 , C07D401/14 , C07D405/14 , C07D409/14 , C07D413/14 , C07D417/10 , C07D417/14 , C07D471/14 , C07D487/04 , C07D491/048 , C07D495/04 , C07D519/00 , C09K11/06 , C09K2211/1029 , C09K2211/1059 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/5012 , H01L51/5016
Abstract: In order to provide a novel π-conjugated compound capable of increasing the light-emission efficiency of an organic electroluminescence element, for example, this π-conjugated compound has a structure indicated by general formula (1). (In general formula (1): Z1-Z6 each independently indicate a hydrogen atom, a deuterium atom, an electron-donating group D, or an electron-withdrawing group A; at least out of two among Z1-Z6 is an electron-donating group D and the other is an electron-withdrawing group A; and at least one ortho position combination Z1 and Z2, Z2 and Z3, Z3 and Z4, Z4 and Z5, Z5 and Z6, or Z6 and Z1 among Z1-Z6 is one combination out of an electron-donating group D and an electron-donating group D, an electron-withdrawing group A and an electron-withdrawing group A, or an electron-donating group D and an electron-withdrawing group A.)
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公开(公告)号：US20220185974A1
公开(公告)日：2022-06-16
申请号：US17440071
申请日：2020-03-17
Applicant: Konica Minolta, Inc.
Inventor： Ryo NAKABAYASHI , Yasuo MIYATA , Kenichi TABATA
IPC: C08J5/18 , C09K11/06 , H01L51/00 , A61B5/1171 , A61B5/00 , A61B5/1455 , H01L51/50
Abstract: Provided is a wavelength conversion film containing a luminescent dye, wherein, in an absorption spectrum and an emission spectrum, when the spectrums are normalized so that two maximum intensities of an absorption band having a maximum absorption wavelength of a maximum intensity and an emission band having a maximum emission wavelength of a maximum intensity become the same intensity, and when a molar extinction coefficient at an intersection where the normalized absorption band and the normalized emission band overlap in the spectrum is ε, and a content of the luminescent dye included according to a film thickness per 1 cm2 of the wavelength conversion film is C (mol), the wavelength conversion film satisfies the following Expression (1), 1.0×10−3≤ε×C. Expression (1)
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Patent Agency Ranking
公开(公告)号：US20220082740A1
公开(公告)日：2022-03-17
申请号：US17420631
申请日：2020-01-16
Applicant: Konica Minolta, Inc.
Inventor： Mio WATANABE , Kenichi TABATA , Ryo NAKABAYASHI , Yasuo MIYATA
Abstract: Disclosed is a wavelength conversion film including at least two or more dyes and absorbing irradiation light to emit light at a longer wavelength than that of the irradiation light. The wavelength conversion film includes a first dye having a maximum absorption wavelength in a red light region, and a second dye absorbing excitation energy of the first dye to emit light in a near infrared region.
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公开(公告)号：US20190319210A1
公开(公告)日：2019-10-17
申请号：US16344541
申请日：2017-11-22
Applicant: Konica Minolta, Inc.
Inventor： Yuta NAKAMURA , Satoru INOUE , Taketo NAMIKAWA , Yasuo MIYATA , Kenichi TABATA , Hiromoto II
Abstract: The present invention addresses the problem of providing: an organic electroluminescent element which is capable of emitting light with high luminous efficiency, while having a long service life; and a composition for organic materials. An organic electroluminescent element according to the present invention comprises a positive electrode, a negative electrode and one or more organic functional layers arranged between the positive electrode and the negative electrode, and is characterized in that: the organic functional layers contain a phosphorescent metal complex and a fluorescent compound; the phosphorescent metal complex is a compound having a structure that is represented by a specific general formula; and the phosphorescent metal complex is a core-shell type dopant that satisfies a specific formula.
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8.发明申请公开(公告)号：US20250154403A1
公开(公告)日：2025-05-15
申请号：US18682815
申请日：2022-03-17
Applicant: Konica Minolta, Inc.
Inventor： Yasuo MIYATA , Kazuma ODA , Shigeru KOJIMA , Shumpei HITOSUGI
IPC: C09K11/06 , C07D471/06 , G01N33/531
Abstract: A luminescent nanoparticle contains a first luminescent compound and a second luminescent compound. The first luminescent compound is excited by light irradiation and has a function of transferring energy due to the excitation to the second luminescent compound. The second luminescent compound has a function of receiving the energy due to the excitation to emit light. A content of the first luminescent compound to a total amount of the luminescent nanoparticle is in the range of 4 to 90% by mass.
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9.发明公开公开(公告)号：US20230295490A1
公开(公告)日：2023-09-21
申请号：US18011244
申请日：2021-06-18
Applicant: Konica Minolta, Inc.
Inventor： Yasuo MIYATA , Kenichi TABATA , Kazuma ODA , Kohei OGINO
CPC classification number: C09K11/06 , G01N33/582 , G01N33/587 , C09K11/02 , C09K2211/1022 , C09K2211/1014 , C09K2211/1007
Abstract: The present invention addresses the problem of providing a luminescent labeling material for pathological diagnosis and luminescent nanoparticles for enabling high-sensitivity imaging that can avoid the negative impact of auto-fluorescence of cells on bioimaging. Provided are luminescent nanoparticles containing a luminescent dye, wherein the luminescent dye is a compound having a specific structure represented by Formula (1), and the luminescent nanoparticles have at least one of delayed luminesence or long Stokes shift luminescence.
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公开(公告)号：US20220135874A1
公开(公告)日：2022-05-05
申请号：US17430719
申请日：2020-02-21
Applicant: Konica Minolta, Inc.
Inventor： Yasuo MIYATA , Noriko UEDA , Hiroki TATSUMI , Ryo NAKABAYASHI
Abstract: An infrared-emitting compound has a structure represented by the following Formula (1a). In Formula (1a), Ar and ring A each independently represent an aryl ring, a heteroaryl ring or a fused ring thereof. Q-Ar represents an infrared-emitting residue. R1 represents a group in which a dihedral angle between Ar and ring A is 45 degree or more. And a thick line represents a single bond or a double bond.
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