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1. 发明授权

US11346953B2 Photo detector, photo detection system, lidar device and vehicle 有权
公开(公告)号：US11346953B2
公开(公告)日：2022-05-31
申请号：US16288991
申请日：2019-02-28
申请人： Kabushiki Kaisha Toshiba
发明人： Honam Kwon , Kazuhiro Suzuki , Ikuo Fujiwara , Keita Sasaki , Yuki Nobusa
IPC分类号： H01L27/146 , G01S17/931 , H01L31/107 , G01S7/4861
摘要： In one embodiment, a photo detector includes a plurality of photo detection elements, a plurality of trenches each provided among a plurality of the photo detection elements, and a wiring provided between the two photo detection elements out of the plurality of photo detection elements to electrically connect to the two photo detection elements. The trenches surround the 2·m (m is a positive integer) photo detection elements including the two photo detection elements. And the two photo detection elements are lined in a direction orthogonal to an extending direction of the metal layer for electrical connection.

2. 发明授权

US09691932B2 Photodetector 有权
公开(公告)号：US09691932B2
公开(公告)日：2017-06-27
申请号：US14840316
申请日：2015-08-31
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Keita Sasaki , Risako Ueno , Hideyuki Funaki
IPC分类号： H01L31/0232 , H01L31/103 , H01L31/0216 , H01L31/02 , H01L31/028 , H01L27/146
CPC分类号： H01L31/103 , H01L27/14629 , H01L27/14634 , H01L27/14636 , H01L27/14647 , H01L27/1469 , H01L31/02005 , H01L31/02161 , H01L31/02327 , H01L31/028
摘要： According to a photodetector includes a first light detection layer and a reflective layer. The first light detection layer has a first surface and a second surface on a side opposite to the first surface. The first light detection layer includes a first light detection area including a p-n junction of a p-type semiconductor layer containing Si and an n-type semiconductor layer containing Si. The reflective layer arranged on a second surface side of the first light detection layer so as to be opposed to the first light detection area. The reflective layer reflects at least part of light in a near-infrared range.

3. 发明授权

US11255954B2 Photo detection element, photo detection system, lidar device and vehicle comprising a fifth region of first conductivity type between a first region and a fourth region 有权
公开(公告)号：US11255954B2
公开(公告)日：2022-02-22
申请号：US16295525
申请日：2019-03-07
申请人： Kabushiki Kaisha Toshiba
发明人： Ikuo Fujiwara , Yuki Nobusa , Honam Kwon , Keita Sasaki , Kazuhiro Suzuki
IPC分类号： G01S17/89 , G01S7/4865 , H01L27/146 , H01L31/02 , H01L31/107
摘要： In one embodiment, a photo detection element includes a first region of a first conductivity type, a second region of a second conductivity type, a third region of the first conductivity type provided between the first region and the second region, a fourth region of the second conductivity type provided so as to surround a periphery of the second region, in a direction crossing with a direction from the first region toward the second region, and a fifth region of the first conductivity type provided between the first region and the fourth region.

4. 发明申请

US20190074388A1 PHOTODETECTOR CONVERTING ULTRAVIOLET LIGHT INTO VISIBLE LIGHT 审中-公开
公开(公告)号：US20190074388A1
公开(公告)日：2019-03-07
申请号：US15904533
申请日：2018-02-26
申请人： Kabushiki Kaisha Toshiba
发明人： Honam KWON , Ikuo Fujiwara , Keita Sasaki , Yuki Nobusa , Kazuhiro Suzuki
IPC分类号： H01L31/0232 , H01L31/0216 , H01L27/144
摘要： A photodetector includes a structure that converts ultraviolet light into visible light; and a photodetection element that detects the visible light converted by the structure, wherein the structure is provided on the photodetection element and protrudes in a predetermined shape on a side opposite to the photodetection element.

5. 发明申请

US20180206804A1 DETECTION APPARATUS AND DETECTION METHOD 审中-公开
公开(公告)号：US20180206804A1
公开(公告)日：2018-07-26
申请号：US15683819
申请日：2017-08-23
申请人： Kabushiki Kaisha Toshiba
发明人： Go KAWATA , Keita Sasaki , Rei Hasegawa
IPC分类号： A61B6/00 , G01T1/17 , G01T1/18 , G01T1/20 , G01T1/29
CPC分类号： A61B6/4233 , A61B6/4241 , G01T1/17 , G01T1/18 , G01T1/20 , G01T1/2018 , G01T1/2985
摘要： A detection apparatus according to an embodiment includes first detectors, a first electrode, second detectors and a second electrode. The first detectors detect a photon. The first electrode is electrically connected to each of the first detectors. The second detectors detect a photon. The second electrode is electrically connected to each of the second detectors. The number of first detectors is less than the number of second detectors.

6. 发明申请

US20160011323A1 PHOTODETECTOR AND COMPUTED TOMOGRAPHY APPARATUS 审中-公开
标题翻译：照相机和计算机摄影装置
公开(公告)号：US20160011323A1
公开(公告)日：2016-01-14
申请号：US14795915
申请日：2015-07-10
申请人： Kabushiki Kaisha Toshiba
发明人： Keita Sasaki , Shunsuke Kimura
IPC分类号： G01T1/24 , G01T1/20
CPC分类号： G01T1/248 , G01J1/44 , G01T1/1647 , G01T1/2018
摘要： A photodetector according to an embodiment includes: a photodetector element unit including a first cell array including a plurality of first cells arranged in an array and a second sell array including a plurality of second cells arranged in an array, each of the first and second cells including a photoelectric conversion element, the second cell array being arranged to be adjacent to the first cell array; a first pulse height analyzer unit analyzing a pulse height of an electrical signal outputted from the first cell array; a second pulse height analyzer unit analyzing a pulse height of an electrical signal outputted from the second cell array; and a signal processing unit determining non-uniformity of a distribution of photons entering the first and second cell arrays using an output signal of the first pulse height analyzer unit and an output signal of the second pulse height analyzer unit.
摘要翻译：根据实施例的光检测器包括：光电检测器元件单元，其包括第一单元阵列，该第一单元阵列包括排列成阵列的多个第一单元和包括排列成阵列的多个第二单元的第二阵列阵列，第一单元阵列和第二单元包括光电转换元件，所述第二单元阵列布置成与所述第一单元阵列相邻; 第一脉冲高度分析器单元，分析从第一单元阵列输出的电信号的脉冲高度; 第二脉冲高度分析器单元，分析从第二单元阵列输出的电信号的脉冲高度; 以及信号处理单元，其使用第一脉冲高度分析器单元的输出信号和第二脉冲高度分析器单元的输出信号来确定进入第一和第二单元阵列的光子的分布的不均匀性。

7. 发明授权

US11454581B2 Molecule detecting apparatus 有权
公开(公告)号：US11454581B2
公开(公告)日：2022-09-27
申请号：US16557056
申请日：2019-08-30
申请人： Kabushiki Kaisha Toshiba
发明人： Honam Kwon , Ikuo Fujiwara , Kazuhiro Suzuki , Keita Sasaki , Yuki Nobusa , Yasushi Shinjo
IPC分类号： G01N15/02 , G01N21/64 , C07F3/06 , H01L31/107 , G01N21/77 , G01J1/44 , B01J20/22
摘要： The molecule detecting apparatus of an embodiment includes a light source 31, a fluorescent layer 42 emitting different fluorescence depending on the kind of a target molecule 60 captured when being irradiated with light from the light source 31, a photodetector 32 configured to detect fluorescence, and the photodetector 32 is an array of avalanche photodiodes operating in Geiger mode.

8. 发明授权

US11329184B2 Photodetector and lidar device comprising a detector having a PN junction connected to an optically transmissive quench resistor 有权
公开(公告)号：US11329184B2
公开(公告)日：2022-05-10
申请号：US16553221
申请日：2019-08-28
申请人： Kabushiki Kaisha Toshiba
发明人： Masaki Atsuta , Kazuhiro Suzuki , Ikuo Fujiwara , Honam Kwon , Keita Sasaki , Yuki Nobusa
IPC分类号： G01S17/894 , H01L31/107 , G01S7/481 , G01S17/08 , H01L27/144 , H01L49/02
摘要： A photodetector according to the present embodiment includes a plurality of light detectors. Each light detector has a first semiconductor layer of a first conductive type and a second semiconductor layer of a second conductive type different from the first conductive type, in which the first semiconductor layer and the second semiconductor layer constitute a PN junction. The photodetector further includes a quench resistor that is optically transmissive and connected to the second semiconductor layer.

9. 发明申请

US20220059710A1 LIGHT DETECTOR, LIGHT DETECTION SYSTEM, LIDAR DEVICE, AND MOVING BODY 有权
公开(公告)号：US20220059710A1
公开(公告)日：2022-02-24
申请号：US17184297
申请日：2021-02-24
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Honam KWON , Kazuhiro Suzuki , Keita Sasaki , Mariko Shimizu
IPC分类号： H01L31/0232 , H01L27/144 , H01L31/107 , G01S17/08 , G01S17/89
摘要： According to one embodiment, a light detector includes a first semiconductor layer of a first conductivity type, a first region, a quenching part, a second region, and a first layer. The first region is located on a portion of the first semiconductor layer, includes a first-conductivity-type first semiconductor region that has a higher first-conductivity-type impurity concentration than the first semiconductor layer, and includes a second semiconductor region of a second conductivity type provided on the first semiconductor region. The quenching part is electrically connected to the second semiconductor region. The second region is located on another portion of the first semiconductor layer, includes a second-conductivity-type third semiconductor region, and includes a first-conductivity-type fourth semiconductor region provided on a portion of the third semiconductor region. The first layer is located on the second region and includes a resin that absorbs or reflects light.

10. 发明授权

US10353057B2 Photodetector and LIDAR system including the photodetector 有权
公开(公告)号：US10353057B2
公开(公告)日：2019-07-16
申请号：US15218423
申请日：2016-07-25
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Kazuhiro Suzuki , Keita Sasaki , Hideyuki Funaki
IPC分类号： G01C3/08 , G01S7/486 , H01L31/107 , H01L31/0352 , H01L27/146 , G01S17/89 , G01S7/481 , H01L27/02
摘要： A photodetector according to an embodiment includes: a first semiconductor layer of a first conductivity type, including a first surface and a second surface that is opposite to the first surface; a second semiconductor layer of a second conductivity type, disposed on the second surface; and at least one photo-sensing device including a region in the first semiconductor layer, a region in the second semiconductor layer, and a first electrode disposed in a first region of the first surface.

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