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    RADIATION DETECTOR
    1.
    发明申请
    RADIATION DETECTOR 有权

    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.

    PRODUCING METHOD OF RADIATION DETECTION ELEMENT AND RADIATION DETECTION ELEMENT
    3.
    发明申请
    PRODUCING METHOD OF RADIATION DETECTION ELEMENT AND RADIATION DETECTION ELEMENT 审中-公开

    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

    IPC: H01L51/44 ,  H01L51/00 ,  H01L51/42 ,  H01L51/50

    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.

    PHOTODETECTOR AND RADIATION DETECTOR
    4.
    发明公开
    PHOTODETECTOR AND RADIATION DETECTOR 审中-公开

    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

    IPC: G01T1/20 ,  C07F5/02

    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.

    ORGANIC PHOTOELECTRIC CONVERSION ELEMENT AND IMAGING DEVICE
    6.
    发明申请
    ORGANIC PHOTOELECTRIC CONVERSION ELEMENT AND IMAGING DEVICE 审中-公开
    有机光电转换元件和成像装置

    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

    IPC: H01L27/30 ,  H01L51/42

    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。

    RADIATION DETECTOR
    7.
    发明申请
    RADIATION DETECTOR 有权

    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

    IPC: H01L51/00 ,  G01T1/24

    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.

    RADIATION DETECTOR
    8.
    发明申请
    RADIATION DETECTOR 有权

    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

    IPC: G01T1/20 ,  H01L27/30

    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.

    RADIATION DETECTOR
    9.
    发明申请
    RADIATION DETECTOR 审中-公开

    公开(公告)号：US20190148659A1

    公开(公告)日：2019-05-16

    申请号：US15911346

    申请日：2018-03-05

    Applicant: Kabushiki Kaisha Toshiba

    Inventor： Hyangmi JUNG ,  Yuko NOMURA ,  Satomi TAGUCHI

    IPC: H01L51/42 ,  H01L51/00

    CPC classification number: H01L51/4253 ,  B82Y15/00 ,  H01L27/308 ,  H01L51/0037 ,  H01L51/0043 ,  H01L51/0047 ,  H01L51/0077

    Abstract: According to one embodiment, a radiation detector includes first, and second conductive layers, and an organic layer. The organic layer is provided between the first and second conductive layers. A first thickness of the organic layer along a first direction from the second conductive layer toward the first conductive layer is 1 μm or more. The organic layer includes a first compound of a first conductivity type, and a second compound of a second conductivity type. A first value of (0.9·λ)/(w1·cos θ1) for a first peak of X-ray analysis of the organic layer is not less than 13 nm and not more than 19 nm. The first value is obtained from a first Bragg angle θ1 (radians), a first full width at half maximum w1 (radians) of the 2θ1 peak, and an X-ray wavelength λ (nm). The 2θ1 is not less than 0.0750 radians and not more than 0.1100 radians.

    ORGANIC PHOTOELECTRIC CONVERSION DEVICE AND IMAGING APPARATUS INCLUDING THE SAME
    10.
    发明申请
    ORGANIC PHOTOELECTRIC CONVERSION DEVICE AND IMAGING APPARATUS INCLUDING THE SAME 审中-公开

    公开(公告)号：US20180182962A1

    公开(公告)日：2018-06-28

    申请号：US15125492

    申请日：2015-08-06

    Applicant: KABUSHIKI KAISHA TOSHIBA

    Inventor： Isao TAKASU ,  Atsushi WADA ,  Yuko NOMURA ,  Machiko ITO ,  Fumihiko AIGA

    IPC: H01L51/00 ,  C07F5/02

    CPC classification number: H01L51/008 ,  C07F5/022 ,  H01L27/146 ,  H01L27/307 ,  H01L51/42 ,  H01L51/424

    Abstract: An organic photoelectric conversion device of the embodiment includes an anode, a cathode, and an organic photoelectric conversion layer provided between the anode and the cathode. The organic photoelectric conversion layer contains a compound represented by the following general formula (1). [In the general formula (1), U, V, and W each independently represents a nitrogen-containing 6-membered aromatic ring which may have a substituent or a benzene ring which may have a substituent, at least one of U, V and W represents the nitrogen-containing 6-membered aromatic ring which may have a substituent, X represents any one of a halogen atom, a hydroxyl group, a carboxyl group, an alkyl group which may have a substituent, an aryl group which may have a substituent, an alkoxy group which may have a substituent, and an aryloxy group which may have a substituent.]

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