公开(公告)号：US20130284937A1

公开(公告)日：2013-10-31

申请号：US13925256

申请日：2013-06-24

申请人： FUJIFILM CORPORATION

发明人： Yoshihiro OKADA

IPC分类号： G01T1/16 ,  G01T1/20

CPC分类号： G01T1/16 ,  G01T1/2006 ,  H04N5/32

摘要： The present invention provides a radiation detecting element and a radiographic imaging device that may reliably detect radiation even when a region where radiation is irradiated is set narrowly. Namely, in the radiation detecting element and the radiographic imaging device of the present invention, plural pixels including radiographic imaging pixels and plural radiation detection pixels are disposed in a matrix in a detection region that detects radiation.

摘要翻译： 本发明提供一种放射线检测元件和放射线照相成像装置，其即使在照射辐射的区域被狭窄地设置的情况下也可以可靠地检测辐射。 也就是说，在本发明的放射线检测元件和射线照相成像装置中，将包括放射线摄像像素和多个放射线检测像素的多个像素以矩阵形式设置在检测辐射的检测区域中。

公开(公告)号：US20210096271A1

公开(公告)日：2021-04-01

申请号：US17025566

申请日：2020-09-18

申请人： FUJIFILM Corporation

发明人： Yoshihiro OKADA ,  Keiichi AKAMATSU ,  Shinichi USHIKURA ,  Munetaka KATO ,  Haruyasu NAKATSUGAWA

IPC分类号： G01T1/20 ,  G01T1/161 ,  A61B6/00

摘要： A radiation detector including: a substrate formed with plural pixels that accumulate electrical charges generated in response to light converted from radiation in a pixel region at an opposite-side surface of a base member to a surface including a fine particle layer; the base member being flexible and is made of resin and that includes a fine particle layer containing inorganic fine particles having a mean particle size of from 0.05 μm to 2.5 μm, a conversion layer provided at the surface of the base member provided with the pixel region and configured to convert the radiation into light; and a reinforcement substrate provided to at least one out of a surface on the substrate side of a stacked body configured by stacking the substrate and the conversion layer, or a surface on the conversion layer side of the stacked body.

公开(公告)号：US20160252630A1

公开(公告)日：2016-09-01

申请号：US15152010

申请日：2016-05-11

申请人： FUJIFILM CORPORATION

发明人： Yoshihiro OKADA

IPC分类号： G01T1/20

CPC分类号： G01T1/2018 ,  H04N5/32

摘要： The present invention provides a radiation detector, a radiographic imaging device and a radiographic imaging system that may detect radiation with high precision. Namely, in the radiation detector, radiation detection pixels include detection TFTs, and light that has been converted from radiation is illuminated directly from a scintillator onto the detection TFTs. Accordingly, leak current occurs in semiconductor active layers of the detection TFTs corresponding to the amount (intensity) of the illuminated light, and the leak current flows in to signal lines. Accordingly, radiation may be detected by monitoring the leak current, and enables timings, such as the start of irradiation of radiation, to be detected.

公开(公告)号：US20160178763A1

公开(公告)日：2016-06-23

申请号：US14658249

申请日：2015-03-16

申请人： FUJIFILM CORPORATION

发明人： Yoshihiro OKADA

IPC分类号： G01T1/24

CPC分类号： G01T1/241 ,  G01T1/247 ,  H01L27/14603 ,  H01L27/14605 ,  H01L27/14632 ,  H01L27/14643 ,  H01L27/14676 ,  H01L31/0272 ,  H01L31/085

摘要： A radiation detection element (10) has: plural hexagonal pixels (20) that are arrayed in a form of a honeycomb and have sensor portions (103) that generate charges due to radiation being irradiated, charge accumulating capacitors (5) that accumulate generated charges, and TFT switches (4) for reading-out the charges accumulated at the charge accumulating capacitors (5); plural scan lines (101) that are disposed parallel in a first direction and to which switching signals that control switching of the TFT switches (4) are outputted; and plural data lines 3 that are disposed in parallel in a second direction that intersects the first direction, and to which charges that have been read-out by the TFT switches (4) are outputted. The TFT switches (4) are disposed so as to be, in the first direction, connected to the data lines (3) from alternately different sides of the data line (3), and such that an arrangement of source electrodes (9) and drain electrodes (13) of the TFT switches (4) is the same in the first direction.

摘要翻译： 辐射检测元件（10）具有：以蜂窝形式排列的多个六边形像素（20），并且具有由于照射辐射而产生电荷的传感器部分（103），积累产生的电荷的电荷累积电容器（5） ，以及用于读出在电荷累积电容器（5）上累积的电荷的TFT开关（4）; 多个扫描线（101），其沿第一方向平行设置，并且输出用于控制TFT开关（4）的切换的开关信号; 和与第一方向相交的第二方向平行设置并且由TFT开关（4）读出的电荷被输出的多条数据线3。 TFT开关（4）被配置为在第一方向上与数据线（3）的交替不同侧的数据线（3）连接，并且源极电极（9）和 TFT开关（4）的漏电极（13）在第一方向上相同。

公开(公告)号：US20150204986A1

公开(公告)日：2015-07-23

申请号：US14670070

申请日：2015-03-26

申请人： FUJIFILM Corporation

发明人： Fumito NARIYUKI ,  Toshiyuki NABETA ,  Yoshihiro OKADA ,  Hirotaka WATANO ,  Munetaka KATO ,  Haruyasu NAKATSUGAWA

IPC分类号： G01T1/20 ,  G01T1/161

CPC分类号： G01T1/2018 ,  A61B6/4233 ,  A61B6/4283 ,  G01T1/161 ,  G01T1/202

摘要： A monocoque-structured housing accommodates a photoelectric conversion panel, a scintillator, and a circuit board in this order from an X-ray incidence side. The scintillator contains cesium iodide and converts X-rays into visible light. The scintillator is vapor-deposited on the photoelectric conversion panel. A plurality of pixels that photoelectrically convert the visible light into charges are formed in the photoelectric conversion panel. A signal processor, which reads out the charge from each pixel and generates image data, is mounted on the circuit board. A gap layer is formed between the scintillator and the circuit board.

摘要翻译： 单体结构的壳体从X射线入射侧依次容纳光电转换面板，闪烁体和电路板。 闪烁体含有碘化铯，将X射线转换为可见光。 闪烁体气相沉积在光电转换面板上。 在光电转换面板中形成将可见光光电转换为电荷的多个像素。 从各像素读出电荷并生成图像数据的信号处理器安装在电路板上。 在闪烁体和电路板之间形成间隙层。

公开(公告)号：US20150083924A1

公开(公告)日：2015-03-26

申请号：US14555604

申请日：2014-11-27

申请人： FUJIFILM CORPORATION

发明人： Yoshihiro OKADA ,  Takaaki ITO

IPC分类号： H01L27/146 ,  G01T1/17 ,  G01T1/24

CPC分类号： H01L27/14659 ,  A61B6/4233 ,  A61B6/4283 ,  A61B6/586 ,  G01T1/17 ,  G01T1/247 ,  H01L27/14603 ,  H01L27/14641 ,  H01L27/14663 ,  H04N5/23245 ,  H04N5/32 ,  H04N5/343 ,  H04N5/347 ,  H04N5/367 ,  H04N5/3741

摘要： First TFTs are provided in correspondence with respective intersection portions between plural signal lines and plural first scan lines. Control terminals of the first TFTs are connected to the corresponding first scan lines, and output terminals of the first TFTs are connected to the corresponding signal lines. Sensors are connected to input terminals of the first TFTs. Second TFTs include input terminals that are connected to respective sensors and control terminals that are connected to second scan lines. Output terminals of second TFTs whose input terminals are connected to a plural number of the sensors, which sensors are adjacent in a first direction and a second direction, are connected to the same signal line. A plural number of the second scan lines that are provided with driving signals that are identical or the same are electrically connected to one another by a redundant line.

摘要翻译： 第一TFT与多个信号线与多个第一扫描线之间的相应交点相对应地设置。 第一TFT的控制端子连接到对应的第一扫描线，并且第一TFT的输出端子连接到相应的信号线。 传感器连接到第一TFT的输入端。 第二TFT包括连接到相应传感器的输入端子和连接到第二扫描线的控制端子。 输入端子连接到多个传感器的第二TFT的输出端子，这些传感器在第一方向和第二方向上相邻，并连接到相同的信号线。 具有相同或相同的驱动信号的多个第二扫描线通过冗余线彼此电连接。

公开(公告)号：US20150043715A1

公开(公告)日：2015-02-12

申请号：US14525219

申请日：2014-10-28

申请人： FUJIFILM CORPORATION

发明人： Takeshi KUWABARA ,  Yoshihiro OKADA ,  Haruyasu NAKATSUGAWA ,  Naoyuki NISHINO

IPC分类号： H04N5/357 ,  H04N5/369 ,  G01N23/04 ,  G01T1/17 ,  A61B6/00 ,  H04N5/32 ,  G01T1/20

CPC分类号： H04N5/357 ,  A61B6/4233 ,  A61B6/4283 ,  A61B6/44 ,  A61B6/5258 ,  A61B6/5264 ,  A61B6/542 ,  G01N23/04 ,  G01T1/17 ,  G01T1/20 ,  H04N5/32 ,  H04N5/369

摘要： A radiographic imaging device includes: a radiation detector including plural pixels, each including a sensor portion and a switching element; a detection unit that detects a radiation irradiation start if an electrical signal caused by charges generated in the sensor portion satisfies a specific irradiation detection condition, and/or if an electrical signal caused by charges generated in a radiation sensor portion that is different from the sensor portion satisfies a specific irradiation detection condition; and a control unit that determines whether or not noise caused by external disturbance has occurred after the detection unit has detected the radiation irradiation start, and if the noise has occurred, that stops a current operation of the radiation detector, and causes the detection unit to perform detection.

摘要翻译： 射线照相成像装置包括：包括多个像素的辐射检测器，每个像素包括传感器部分和开关元件; 检测单元，如果由在传感器部分中产生的电荷引起的电信号满足特定的照射检测条件，和/或如果由辐射传感器部分中产生的不同于传感器的电荷引起的电信号，则检测辐射照射开始 部分满足特定的照射检测条件; 以及控制单元，其在检测单元已经检测到辐射照射开始之后确定是否已经发生由外部干扰引起的噪声，并且如果已经发生噪声，则停止放射线检测器的当前操作，并且使检测单元 执行检测。

公开(公告)号：US20140138552A1

公开(公告)日：2014-05-22

申请号：US14173832

申请日：2014-02-06

申请人： FUJIFILM CORPORATION

发明人： Yoshihiro OKADA

IPC分类号： G01T1/24

CPC分类号： G01T1/247 ,  H01L27/14603 ,  H01L27/14632 ,  H01L27/14658 ,  H01L27/14687

摘要： The present invention provides a radiation detecting element that avoids the interline pitch of signal lines becoming narrower. Namely, the shape of pixels configuring the radiation detecting element is made hexagonal, and each of the pixels is arrayed in a honeycomb pattern. The position of the TFT switches in each of the pixels is disposed to the right side or the left side of the center of the pixels so as to be left-right direction different for each of the pixel rows, and common ground lines that fix storage capacitor lower electrodes of charge storage capacitors are configured laid out in substantially straight lines lower than pixel electrodes.

摘要翻译： 本发明提供一种避免信号线的线间距变窄的放射线检测元件。 也就是说，构成放射线检测元件的像素的形状为六边形，并且每个像素排列成蜂窝图案。 每个像素中的TFT开关的位置被设置在像素的中心的右侧或左侧，以使得每个像素行的左右方向不同，以及固定存储器的公共接地线 电容存储电容器的电容器下电极被配置成比像素电极低的基本直线。

公开(公告)号：US20140048715A1

公开(公告)日：2014-02-20

申请号：US14059447

申请日：2013-10-22

申请人： Fujifilm Corporation

发明人： Yoshihiro OKADA

IPC分类号： G01T1/16

CPC分类号： G01T1/16 ,  H04N5/32 ,  H04N5/376

摘要： The present invention provides a radiation detection element and a radiographic imaging device that may provide optimal resolution that corresponds to the purpose of imaging and to imaging speed, and that may suppress increase in device size. Namely, TFTs of plural pixels in a column direction are connected to the same signal lines. When a moving image is imaged, a control signal is output via a control line, the TFTs of the pixels are turned on, and the charges are read-out from sensor sections. Since the two pixels×two pixels are operated as one pixel and the charges are extracted, resolution may be lowered when compared with a still image and a frame rate may be improved.

摘要翻译： 本发明提供一种辐射检测元件和放射线照相成像装置，其可以提供对应于成像和成像速度的目的的最佳分辨率，并且可以抑制装置尺寸的增加。 即，列方向上的多个像素的TFT连接到相同的信号线。 当运动图像成像时，通过控制线输出控制信号，像素的TFT被导通，并且从传感器部分读出电荷。 由于两个像素×两个像素被操作为一个像素并且提取电荷，所以与静止图像相比可以降低分辨率，并且可以提高帧速率。

公开(公告)号：US20150326810A1

公开(公告)日：2015-11-12

申请号：US14802448

申请日：2015-07-17

申请人： FUJIFILM Corporation

发明人： Yoshihiro OKADA

IPC分类号： H04N5/378 ,  H04N5/32 ,  H04N5/3745 ,  G01T1/208

CPC分类号： G01T1/247 ,  G01N23/04 ,  G01T1/208 ,  H01L27/14658 ,  H01L27/14663 ,  H04N5/32 ,  H04N5/37457 ,  H04N5/378

摘要： The present invention provides radiation detector, radiographic imaging device and radiographic imaging system that may detect irradiated radiation while maintaining quality of radiographic image. The radiation detector has: pixels having a sensor portion that generates charges in accordance with light converted from irradiated radiation, TFT switch that outputs, to a signal line, charges read-out from the sensor portion, and radiation detection TFT switch that is not connected to a signal line; and radiation detection pixels that have the sensor portion, the TFT switch, and radiation detection TFT switch that is connected to a signal line and that outputs, to the signal line, charges read-out from the sensor portion. The radiation detection TFT switches are connected to radiation detection scan lines, and ON/OFF states are controlled by scan signals that are outputted from a radiation detection control circuit.

摘要翻译： 本发明提供了可以在保持射线照相图像质量的同时检测照射的辐射的放射线检测器，放射线照相成像装置和射线照相成像系统。 辐射检测器具有：具有根据照射辐射转换的光产生电荷的传感器部分的像素，向信号线输出从传感器部分读出的电荷的TFT开关和未连接的放射线检测TFT开关 到信号线; 以及具有传感器部分的放射线检测像素，TFT开关和辐射检测TFT开关，其连接到信号线，并且向信号线输出从传感器部分读出的电荷。 放射线检测用TFT开关与放射线检测用扫描线连接，ON / OFF状态由从放射线检测控制电路输出的扫描信号进行控制。