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公开(公告)号：US20230056144A1
公开(公告)日：2023-02-23
申请号：US17652130
申请日：2022-02-23
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Kohei NAKAYAMA , Fumihiko AIGA , Isao TAKASU , Atsushi WADA , Yuko NOMURA
IPC: G01T1/20 , H01L27/146
Abstract: According to one embodiment, a radiation detector includes a first conductive layer including a first conductive region, and a first stacked body. The first stacked body includes a first electrode separated from the first conductive region in the a direction, a first scintillator layer provided between the first conductive region and the first electrode, a first intermediate electrode provided between the first scintillator layer and the first electrode, and a first organic semiconductor layer provided between the first intermediate electrode and the first electrode.
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公开(公告)号：US20220085108A1
公开(公告)日：2022-03-17
申请号：US17179474
申请日：2021-02-19
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Atsushi WADA , Isao TAKASU , Kohei NAKAYAMA , Fumihiko AIGA
Abstract: According to one embodiment, a radiation detector includes a first layer, a first light-emitting part, a detecting part, a detection circuit, and a first drive circuit. The first layer includes a first organic material. The first light-emitting part includes a first organic light-emitting layer. The detecting part is provided between the first layer and the first light-emitting part. The detecting part includes an organic photoelectric conversion layer and is configured to generate an electrical signal corresponding to radiation incident on the first layer. The detection circuit is configured to output a detection signal based on the electrical signal. The first drive circuit is configured to supply a first drive signal to the first light-emitting part based on the detection signal.
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公开(公告)号：US20200035934A1
公开(公告)日：2020-01-30
申请号：US16292369
申请日：2019-03-05
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Hyangmi JUNG , Satomi TAGUCHI , Isao TAKASU , Yuko NOMURA , Rei Hasegawa
Abstract: According to an embodiment, a producing method of a radiation detection element, includes: forming an organic semiconductor layer by applying an organic semiconductor solution onto a first conductive layer formed on a support substrate; forming a second conductive layer on the organic semiconductor layer; sealing a laminated body of the first conductive layer, the organic semiconductor layer, and the second conductive layer, formed on the support substrate, with a sealing member; and applying heat to the laminated body sealed with the sealing member. In at least one of forming of the organic layer and forming of the second conductive layer, a forming environment of the organic semiconductor layer and the second conductive layer are adjusted such that the solvent content of the organic semiconductor layer is in a predetermined range.
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公开(公告)号：US20180156930A1
公开(公告)日：2018-06-07
申请号：US15692040
申请日：2017-08-31
Applicant: Kabushiki Kaisha Toshiba
Inventor： Satomi TAGUCHI , Atsushi WADA , Isao TAKASU , Naoto KUME , Mitsuyoshi KOBAYASHI
CPC classification number: G01T3/06 , G01T1/2002 , G01T1/2018
Abstract: According to one embodiment, a radiation detector includes a stacked body. The stacked body includes a first scintillator layer, a first conductive layer, a second conductive layer and an organic semiconductor layer. The second conductive layer is provided between the first scintillator layer and the first conductive layer. The organic semiconductor layer is provided between the first conductive layer and the second conductive layer. The organic semiconductor layer includes a first element. The first element includes at least one selected from the group consisting of boron, gadolinium, helium, lithium, and cadmium.
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公开(公告)号：US20240179928A1
公开(公告)日：2024-05-30
申请号：US18455793
申请日：2023-08-25
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Atsushi WADA , Akio AMANO , Fumihiko AIGA , Isao TAKASU
Abstract: According to one embodiment, a solar cell includes a first electrode, a second electrode, and a power generation layer provided between the first electrode and the second electrode. The first electrode includes a first region and a second region. A direction from the first region to the second region is along a first direction from the first electrode to the second electrode. A first absorption coefficient of the first region for a first light having a wavelength of 330 nm is lower than a second absorption coefficient of the second region for the first light.
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Patent Agency Ranking
公开(公告)号：US20230288581A1
公开(公告)日：2023-09-14
申请号：US17821026
申请日：2022-08-19
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Isao TAKASU , Atsushi WADA , Yuko NOMURA , Kohei NAKAYAMA , Fumihiko AIGA
CPC classification number: G01T1/2018 , C07F5/022
Abstract: According to one embodiment, a photodetector includes a first conductive layer, a second conductive layer, and an organic layer provided between the first conductive layer and the second conductive layer. The organic layer includes a first region and a second region. The second region is provided between the first region and the second conductive layer. The first region includes a first compound and a second compound. The first compound includes a first mother skeleton. The second region includes the first compound and a third compound. The third compound includes the first mother skeleton. The third compound is different from the first compound. The second region does not include the second compound, or a concentration of the second compound in the second region is lower than a concentration of the second compound in the first region.
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公开(公告)号：US20180277779A1
公开(公告)日：2018-09-27
申请号：US15685522
申请日：2017-08-24
Applicant: Kabushiki Kaisha Toshiba
Inventor： Isao TAKASU , Atsushi Wada , Satomi Taguchi , Mitsuyoshi Kobayashi
CPC classification number: H01L51/426 , G01T1/24 , G01T1/242 , H01L51/0036 , H01L51/0039 , H01L51/0043 , H01L51/0047 , H01L2251/301 , H01L2251/303 , Y02E10/549
Abstract: According to one embodiment, a radiation detector includes a first conductive layer, a second conductive layer, and an intermediate layer. The intermediate layer is provided between the first conductive layer and the second conductive layer. The intermediate layer includes an organic semiconductor region and a plurality of particles. The organic semiconductor region including a portion provided around the particles. A diameter is not less than 1 nanometer and not more than 20 nanometers for at least a portion of the particles. A first bandgap energy of the plurality of particles is larger than a second bandgap energy of the organic semiconductor region.
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公开(公告)号：US20150270315A1
公开(公告)日：2015-09-24
申请号：US14576441
申请日：2014-12-19
Applicant: Kabushiki Kaisha Toshiba
Inventor： Isao TAKASU , Atsushi WADA , Yuko NOMURA , Machiko ITO
CPC classification number: H01L51/4273 , Y02E10/549
Abstract: According to one embodiment, an organic photoelectric conversion element has a positive electrode, a first charge transport layer, an organic photoelectric conversion, a second charge transport layer and a negative electrode, in this order. The first charge transport layer contains a first charge transport material having a LUMO level equal to or greater than that of the organic photoelectric conversion layer. The second charge transport layer contains a second charge transport material having a HOMO level equal to or less than that of the organic photoelectric conversion layer. The first charge transport layer contains an electron trapping/scattering material that has a HOMO level which is +0.5 eV or more, or −0.5 eV or less, than the HOMO level of the first charge transport material, and has a LUMO level which is between −0.5 eV to +0.5 eV of the LUMO level of the first electron transport material.
Abstract translation: 根据一个实施方案，有机光电转换元件按顺序具有正极，第一电荷传输层，有机光电转换，第二电荷输送层和负极。 第一电荷传输层包含具有等于或大于有机光电转换层的LUMO能级的第一电荷传输材料。 第二电荷输送层含有HOMO能级等于或小于有机光电转换层的HOMO能级的第二电荷输送材料。 第一电荷传输层含有电子捕获/散射材料，其HOMO电平比第一电荷传输材料的HOMO电平高+ 0.5eV或更大，或-0.5eV或更小，并且具有LUMO能级 在第一电子传输材料的LUMO能级的-0.5eV至+ 0.5eV之间。
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公开(公告)号：US20220140244A1
公开(公告)日：2022-05-05
申请号：US17460942
申请日：2021-08-30
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Isao TAKASU , Atsushi WADA , Fumihiko AIGA , Kohei NAKAYAMA , Yuko NOMURA
Abstract: According to one embodiment, a radiation detector includes a first layer, a first conductive layer, a second conductive layer, and an organic semiconductor layer. The first layer includes a first organic substance. The first layer emits light based on beta rays incident on the first layer. A period from a time of a maximum value of an intensity of the light until the intensity of the light drops to 1/2.72 of the maximum value is not less than 10 ns. The second conductive layer is located between the first layer and the first conductive layer. The organic semiconductor layer is located between the first conductive layer and the second conductive layer.
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公开(公告)号：US20220082715A1
公开(公告)日：2022-03-17
申请号：US17184733
申请日：2021-02-25
Applicant: KABUSHIKI KAISHA TOSHIBA
Inventor： Isao TAKASU , Kohei NAKAYAMA , Atsushi WADA , Fumihiko AIGA , Yuko NOMURA
Abstract: According to one embodiment, a radiation detector includes a base body, a first radiation detection element, and a second radiation detection element. The base body includes a first surface. The first surface includes first and second partial regions. A first direction from the first partial region toward the second partial region is along the first surface. The first radiation detection element is fixable to the first partial region. The second radiation detection element includes a first detecting part fixable to the second partial region. The first detecting part includes first and second end portions. A second direction from the first end portion toward the second end portion crosses the first surface. The second end portion is between the first end portion and the second partial region in the second direction. The first radiation detection element does not overlap the first end portion in the first direction.
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