公开(公告)号：US06713748B1

公开(公告)日：2004-03-30

申请号：US09337524

申请日：1999-06-22

申请人： Junsei Tsutsumi ,  Akira Kinno ,  Mitsushi Ikeda

发明人： Junsei Tsutsumi ,  Akira Kinno ,  Mitsushi Ikeda

IPC分类号： H01L2700

CPC分类号： H01L27/1214 ,  H01L27/14658 ,  H01L29/78621 ,  H01L29/78624 ,  H01L29/78645

摘要： An image detection device includes a pixel portion (OEF) having a photoelectric conversion film for converting incident light into a signal charge and a pixel capacitor for accumulating the signal charge, and a thin film transistor (TFT1) included in a signal detective circuit operation of which is controlled by a scanning line (G1) to read out the potential of a pixel electrode to a signal line (S1). The transistor (TFT1) having a source or drain connected to the pixel electrode is a TFT having an LDD structure on a high-potential side, a TFT having LDD structures on the high- and low-potential sides in which the LDD length is larger on the high-potential side, or a TFT having a double-gate structure. When the image detection device includes a protective diode (TFT2) for, if the potential of the pixel electrode reaches a predetermined value or more, flowing pixel charges to a bias line (B1) to prevent destruction of the pixel electrode, the transistor (TFT2) has an LDD structure on at least a high-potential side or a double-gate structure. This arrangement can increase the OFF resistance to suppress the leakage current, and can prevent a decrease in S/N ratio owing to leakage of signal charges before a read.

摘要翻译： 一种图像检测装置包括具有用于将入射光转换为信号电荷的光电转换膜的像素部分（OEF）和用于累积信号电荷的像素电容器，以及包括在信号检测电路操作中的薄膜晶体管（TFT1） 其由扫描线（G1）控制，以将像素电极的电位读出到信号线（S1）。 具有与像素电极连接的源极或漏极的晶体管（TFT1）是在高电位侧具有LDD结构的TFT，在LDD长度较大的高电位侧和低电位侧具有LDD结构的TFT 在高电位侧，或具有双栅结构的TFT。 当图像检测装置包括保护二极管（TFT2），如果像素电极的电位达到预定值以上，则将像素电荷流动到偏置线（B1）以防止像素电极的破坏，晶体管（TFT2 ）在至少高电位侧或双栅极结构上具有LDD结构。 这种布置可以增加OFF电阻以抑制漏电流，并且可以防止在读取之前由于信号电荷泄漏引起的S / N比的降低。

公开(公告)号：US20060237647A1

公开(公告)日：2006-10-26

申请号：US11414483

申请日：2006-05-01

申请人： Mitsushi Ikeda ,  Akira Kinno ,  Toshiyuki Oka

发明人： Mitsushi Ikeda ,  Akira Kinno ,  Toshiyuki Oka

IPC分类号： G02F1/01

CPC分类号： H04N5/357 ,  H01L27/14609 ,  H01L27/14676 ,  H04N5/32 ,  H04N5/378

摘要： Signal output of an X-ray-electric conversion layer prevents instability of operation due to variation of a threshold voltage of TFT mounted to read a signal. Pixel electrodes 17 are arranged in an array on the X-ray-electric conversion layer. Variation of the threshold voltage (Vth) is suppressed by applying in compensatory manner a voltage pulse for switch-off having a polarity opposite to an average polarity of a voltage for switch-on at operating period to the gate electrode of a field effect type TFT for pixel switching connected to each pixel electrode to read a signal.

摘要翻译： X射线电转换层的信号输出防止由于安装的TFT的阈值电压的变化而读取信号而导致的操作不稳定。 像素电极17以X射线电转换层的阵列排列。 通过以补偿的方式施加具有与操作周期的接通电压的平均极性相反的极性的关断电压脉冲来抑制阈值电压（V SUB）的变化， 用于像素切换的场效应TFT的栅电极连接到每个像素电极以读取信号。

公开(公告)号：US20050253077A1

公开(公告)日：2005-11-17

申请号：US11052799

申请日：2005-02-09

申请人： Mitsushi Ikeda ,  Masaki Atsuta ,  Toshiyuki Oka ,  Kenichi Mori ,  Akira Kinno

发明人： Mitsushi Ikeda ,  Masaki Atsuta ,  Toshiyuki Oka ,  Kenichi Mori ,  Akira Kinno

IPC分类号： G01T1/24 ,  H01L27/146 ,  H01L31/032 ,  H01L31/115

CPC分类号： H01L27/14676 ,  H01L31/032 ,  H01L31/115

摘要： A flat panel X-ray detector, including an X-ray-electric-charge converting film containing a metal halide and serving to convert an incident X-ray into an electric charge, a pair of electrodes formed on both surfaces of the X-ray-electric-charge converting film, and a blocking layer formed in contact with at least one surface of the X-ray-electric-charge converting film and containing a substance selected from the group consisting of a metal oxide, a metal nitride, a metal halide oxide, a first mixture of at least two of these materials, and a second mixture of a metal halide and any of these materials.

摘要翻译： 一种平板X射线检测器，包括含有金属卤化物并用于将入射的X射线转换成电荷的X射线电荷转换膜，形成在X射线的两个表面上的一对电极 电荷转换膜和与X射线电荷转换膜的至少一个表面接触形成的阻挡层，并且含有选自金属氧化物，金属氮化物，金属 卤化物氧化物，这些材料中的至少两种的第一混合物和金属卤化物和这些材料中的任何一种的第二混合物。

公开(公告)号：US06862338B2

公开(公告)日：2005-03-01

申请号：US10436235

申请日：2003-05-13

申请人： Akira Kinno ,  Mitsushi Ikeda

发明人： Akira Kinno ,  Mitsushi Ikeda

IPC分类号： A61B6/00 ,  A61B6/03 ,  H01L27/14 ,  H01L27/146 ,  H01L31/09 ,  H04N5/32 ,  H04N5/325 ,  H04N5/357 ,  H04N5/369 ,  H04N5/376 ,  H05G1/64

CPC分类号： H04N5/325 ,  A61B6/032 ,  H04N5/3594

摘要： There are provided a photoelectric conversion film converting an x-ray to a charge, a switching element composed of a transistor, of which a gate is connected to a corresponding scanning line, a source is connected to the photoelectric conversion film, and a drain is connected to a corresponding signal line, and a accumulation element connected to the photoelectric conversion film and the switching element, accumulating the charged produced in the photoelectric conversion element, a scanning line driving circuit driving the scanning lines, and a signal detection circuit connected to the signal lines and reading out the charge accumulated in the accumulation element. A potential of the photoelectric conversion film and a gate potential of the switching element is set such that an absolute value of a gate-source voltage of the switching element decreases when the charge is accumulated in the accumulation element. The scanning line driving circuit outputs at least two kinds of scanning line voltages that can turn off the switching element.

摘要翻译： 提供了将x射线转换为电荷的光电转换膜，由晶体管构成的开关元件，栅极连接到相应的扫描线，源极连接到光电转换膜，漏极为 连接到相应的信号线，以及连接到光电转换膜和开关元件的累积元件，累积在光电转换元件中产生的电荷，驱动扫描线的扫描线驱动电路，以及连接到光电转换元件的信号检测电路 信号线并读出累积元件中累积的电荷。 设置光电转换膜的电位和开关元件的栅极电位，使得当电荷积累在累积元件中时，开关元件的栅极 - 源极电压的绝对值降低。 扫描线驱动电路输出可以切断开关元件的至少两种扫描线电压。

公开(公告)号：US06849853B2

公开(公告)日：2005-02-01

申请号：US10262972

申请日：2002-10-03

申请人： Mitsushi Ikeda ,  Kouhei Suzuki ,  Akira Kinno

发明人： Mitsushi Ikeda ,  Kouhei Suzuki ,  Akira Kinno

IPC分类号： G01T1/00 ,  H01L27/146 ,  H01L31/0296 ,  G01J1/24

CPC分类号： H01L27/14659 ,  H01L27/14609 ,  H01L31/0296

摘要： An X-ray flat panel detector includes an X-ray photosensitive film which generates signal charges upon being exposed to incident X-rays, pixel electrodes which are arrayed in contact with the X-ray photosensitive film, a bias voltage application unit which applies a bias voltage to the X-ray photosensitive film so as to make the pixel electrodes collect holes or electrons, which serve as the signal charges generated by the X-ray photosensitive film and have a higher mobility, capacitors which are arranged in correspondence with the pixel electrodes and store the charges generated by the X-ray photosensitive film, switching thin-film transistors which are arranged in correspondence with the pixel electrodes and read the charges in the capacitors, scanning lines which supply a control signal to OPEN/CLOSE-control the switching thin-film transistors, and signal lines which are connected to the switching thin-film transistors to read the charges when the switching thin-film transistors are opened.

摘要翻译： X射线平板检测器包括在暴露于入射X射线时产生信号电荷的X射线感光膜，与X射线感光膜接触排列的像素电极，施加了X射线感光膜的偏压施加单元 偏置电压以使得像素电极收集空穴或电子，其用作由X射线感光膜产生的信号电荷并具有较高的迁移率，对应于像素排列的电容器 电极，并存储由X射线感光膜产生的电荷，对应于像素电极排列的开关薄膜晶体管，并读取电容器中的电荷，将控制信号提供给OPEN / CLOSE-控制的扫描线 开关薄膜晶体管和连接到开关薄膜晶体管的信号线，以便当开关薄膜晶体管为 开了

公开(公告)号：US06185274B2

公开(公告)日：2001-02-06

申请号：US09265693

申请日：1999-03-10

申请人： Akira Kinno ,  Masaki Atsuta ,  Takuya Sakaguchi ,  Manabu Tanaka ,  Mitsushi Ikeda ,  Kouhei Suzuki

发明人： Akira Kinno ,  Masaki Atsuta ,  Takuya Sakaguchi ,  Manabu Tanaka ,  Mitsushi Ikeda ,  Kouhei Suzuki

IPC分类号： H05G164

CPC分类号： G01T1/2928

摘要： An image detecting device has a large dynamic range that deals with a plurality of image detecting modes. The image detecting device is composed of pixels e (i, j) arranged in a matrix array. Each pixel has a photoelectric element. In each pixel, a capacitor 102 and a protecting diode 103 are disposed. The capacitor 102 stores electric charge corresponding to the intensity of penetrated light to the relevant pixel. The protecting diode limits the capacitance. A bias voltage is supplied to the protecting diode 103 through a bias line Bias. The bias voltage is adjusted by a bias voltage controlling system 133 corresponding to the frame rate. Thus, the influence of a leak current in the off-state of the protecting diode 103 can be alleviated against electric charge stored in the capacitor 102. Consequently, an image with a high S/N ratio can be obtained regardless of the frame rate.

摘要翻译： 图像检测装置具有处理多个图像检测模式的大动态范围。 图像检测装置由以矩阵阵列排列的像素e（i，j）组成。 每个像素都有一个光电元件。 在每个像素中，设置电容器102和保护二极管103。 电容器102将对应于穿透光强度的电荷存储到相关像素。 保护二极管限制电容。 偏置电压通过偏压线Bias提供给保护二极管103。 偏置电压由对应于帧速率的偏压控制系统133调节。 因此，可以减轻保护二极管103的截止状态下的漏电流对存储在电容器102中的电荷的影响。因此，无论帧速率如何，都可以获得具有高S / N比的图像。

公开(公告)号：US07115878B2

公开(公告)日：2006-10-03

申请号：US10728901

申请日：2003-12-08

申请人： Mitsushi Ikeda ,  Toshiyuki Oka ,  Mutsuki Yamazaki ,  Masaki Atsuta ,  Akira Kinno

发明人： Mitsushi Ikeda ,  Toshiyuki Oka ,  Mutsuki Yamazaki ,  Masaki Atsuta ,  Akira Kinno

IPC分类号： G01T1/24

CPC分类号： G21K4/00 ,  H01L27/14659

摘要： A flat panel X-ray detector which includes an X-ray-charge conversion film converting incident X-rays into electric charges, and a pair of electrodes disposed in contact with both surfaces of the X-ray-charge conversion film The X-ray-charge conversion film has a laminate structure including a plurality of metal halide films differing in band gap from one another and laminated along direction of c-axis of hexagonal crystal structure, and halogen atoms contained in the plurality of metal halide films are of the same kind among them.

摘要翻译： 一种平板X射线检测器，其包括将入射的X射线转换为电荷的X射线电荷转换膜和与X射线电荷转换膜的两个表面接触的一对电极.X射线 充电转换膜具有层叠结构，其包括彼此不同的带隙并且沿六方晶体结构的c轴方向层叠的多个金属卤化物膜，并且多个金属卤化物膜中包含的卤素原子相同 在他们中间。

公开(公告)号：US06403965B1

公开(公告)日：2002-06-11

申请号：US09533934

申请日：2000-03-23

申请人： Mitsushi Ikeda ,  Masaki Atsuta ,  Akira Kinno ,  Kouhei Suzuki

发明人： Mitsushi Ikeda ,  Masaki Atsuta ,  Akira Kinno ,  Kouhei Suzuki

IPC分类号： G01T124

CPC分类号： H01L27/14663 ,  H01L27/14659

摘要： An X-ray image detector system includes: a plurality of scanning lines; a plurality of signal lines formed so as to intersect the scanning lines; and a plurality of pixel parts, each of which is formed at a corresponding one of the intersections between the scanning lines and the signal lines so as to form an array; each of said pixel parts having an X-ray-to-charge converting part for converting an incident X-ray to an electric charge, a pixel electrode for receiving the electric charge from the X-ray-to-charge converting part, and a switching element which is operated on the basis of a signal of a corresponding one of the scanning lines, one end of the switching element being connected to the pixel electrode, and the other end of the switching element being connected to a corresponding one of the signal lines, wherein the X-ray-to-charge converting part includes at least a first X-ray-to-charge converting film, and a second X-ray-to-charge converting film having a lower resistivity than that of the first X-ray-to-charge converting film. Thus, it is possible to provide an X-ray image detector system capable of detecting an image even if X-ray irradiation is weak.

摘要翻译： X射线图像检测器系统包括：多条扫描线; 形成为与扫描线相交的多条信号线; 以及多个像素部分，每个像素部分形成在扫描线和信号线之间的相应的一个相交处以形成阵列; 每个所述像素部分具有用于将入射的X射线转换成电荷的X射线电荷转换部分，用于从X射线到电荷转换部分接收电荷的像素电极，以及 开关元件，其基于相应的扫描线的信号而操作，所述开关元件的一端连接到所述像素电极，并且所述开关元件的另一端连接到所述信号中的相应的一个 线，其中所述X射线电荷转换部分至少包括第一X射线电荷转换膜，以及具有比所述第一X射线电荷转换膜低的电阻率的第二X射线电荷转换膜 射 - 电转换膜。 因此，即使X射线照射弱，也可以提供能够检测图像的X射线图像检测器系统。

公开(公告)号：US07126128B2

公开(公告)日：2006-10-24

申请号：US11052799

申请日：2005-02-09

申请人： Mitsushi Ikeda ,  Masaki Atsuta ,  Toshiyuki Oka ,  Kenichi Mori ,  Akira Kinno

发明人： Mitsushi Ikeda ,  Masaki Atsuta ,  Toshiyuki Oka ,  Kenichi Mori ,  Akira Kinno

IPC分类号： G01J1/24 ,  H01L25/00 ,  H01L27/00

CPC分类号： H01L27/14676 ,  H01L31/032 ,  H01L31/115

摘要： A flat panel X-ray detector, including an X-ray-electric-charge converting film containing a metal halide and serving to convert an incident X-ray into an electric charge, a pair of electrodes formed on both surfaces of the X-ray-electric-charge converting film, and a blocking layer formed in contact with at least one surface of the X-ray-electric-charge converting film and containing a substance selected from the group consisting of a metal oxide, a metal nitride, a metal halide oxide, a first mixture of at least two of these materials, and a second mixture of a metal halide and any of these materials.

摘要翻译： 一种平板X射线检测器，包括含有金属卤化物并用于将入射的X射线转换成电荷的X射线电荷转换膜，形成在X射线的两个表面上的一对电极 电荷转换膜和与X射线电荷转换膜的至少一个表面接触形成的阻挡层，并且含有选自金属氧化物，金属氮化物，金属 卤化物氧化物，这些材料中的至少两种的第一混合物和金属卤化物和这些材料中的任何一种的第二混合物。

公开(公告)号：US06559449B2

公开(公告)日：2003-05-06

申请号：US09817150

申请日：2001-03-27

申请人： Mitsushi Ikeda ,  Masaki Atsuta ,  Katsuyuki Naito ,  Akira Kinno ,  Hitoshi Yagi ,  Manabu Tanaka

发明人： Mitsushi Ikeda ,  Masaki Atsuta ,  Katsuyuki Naito ,  Akira Kinno ,  Hitoshi Yagi ,  Manabu Tanaka

IPC分类号： G21K400

CPC分类号： G01T1/243 ,  G01T1/2018 ,  H01L27/14663

摘要： A planar X-ray detector including an X-ray-electric charge conversion film converting an incident X-ray into an electric charge, a pixel electrode contiguous to the X-ray-electric charge conversion film and arranged for every pixel, and a switching element connected to the pixel electrode. Also included is a signal line connected to the switching element, and a scanning line supplying a driving signal to the switching element. Further, the X-ray-electric charge conversion film contains phosphor particles, a photosensitive material, and a carrier transfer material.

摘要翻译： 一种平面X射线检测器，其包括将入射的X射线转换为电荷的X射线电荷转换膜，与X射线电荷转换膜邻接的像素电极，并且对每个像素进行切换 元件连接到像素电极。 还包括连接到开关元件的信号线和向开关元件提供驱动信号的扫描线。 此外，X射线电荷转换膜含有荧光体颗粒，感光材料和载体转印材料。