Patent application number | Description | Published |
20080210946 | IMAGE DETECTOR AND RADIATION DETECTING SYSTEM - The invention provides an image detector capable of improving the quality of detected images by reducing electronic noise, the image detector comprising, a plurality of scan lines disposed in parallel, a plurality of data lines provided so as to cross with the scan lines, thin film transistors connected with the scan and data lines and provided in matrix, sensor sections connected to the thin film transistor and provided in a matrix and a plurality of common lines disposed so as to apply bias voltage commonly to the sensor sections provided in matrix. Each of the scan lines, data lines and common lines are formed by metal layers different from each other and provided with insulating film(s) disposed therebetween. | 09-04-2008 |
20080315204 | Thin Film Transistor, and Active Matrix Substrate and Display Device Provided with Such Thin Film Transistor - Improves the electric current driving capability of a thin film transistor without the yield being decreased due to a defective leak between a source electrode/drain electrode and a gate electrode or due to a decrease in an off-characteristic. | 12-25-2008 |
20090065680 | Image detecting device - An image detecting device includes a substrate including plural accumulating portions, plural data lines, plural first protection lines, plural first diodes, and plural second diodes. The plural accumulating portions, due to the irradiation of incident electromagnetic waves expressing an image which is an object of detection, charges expressing the image are accumulated. In the plural data lines, the plural accumulating portions are respectively connected individually via switching elements. The plural first protection lines are for protecting a circuit from excess voltage. In the plural first diodes, anodes are connected to a portion of the plural first protection lines respectively, and cathodes are connected to the plural data lines respectively. In the plural of second diodes, cathodes are connected to another portion of the plural first protection lines respectively, and anodes are connected to the plural data lines respectively. | 03-12-2009 |
20090084938 | Sensor panel and image detecting device - The present invention provides a sensor panel and an image detecting device that can suppress generation of artifacts and an increase in noise. A sensor panel has an image detecting region formed from plural image sensor portions, data lines reading signals out from the image sensor portions, bidirectional diodes disposed at a peripheral edge of the image detecting region and connected to the data lines, and, at an upper layer of the bidirectional diodes, a semiconductor film that generates charges due to irradiation of electromagnetic waves. At the sensor panel, shield electrodes, that are connected to a common line, are disposed between the bidirectional diodes and the semiconductor film. | 04-02-2009 |
20090189231 | Electromagnectic wave detecting element - The present invention is to provide an electromagnetic wave detecting element that can prevent a decrease in light utilization efficiency at sensor portions. The sensor portions are provided so as to correspond to respective intersection portions of scan lines and signal lines, and have semiconductor layer that generate charges due to electromagnetic waves being irradiated, and at whose electromagnetic wave irradiation surface sides upper electrodes are formed, and at whose electromagnetic wave non-irradiation surface sides lower electrodes are formed. Bias voltage is supplied to the respective upper electrodes via respective contact holes by a common electrode line that is formed further toward an electromagnetic wave downstream side than the semiconductor layer. | 07-30-2009 |
20090218646 | ELECTROMAGNETIC WAVE DETECTING ELEMENT - The present invention is to provide an electromagnetic wave detecting element that can suppress a decrease in utilization efficiency of electromagnetic waves at sensor portions. An upper electrode of each of plural sensor portions, that are provided in correspondence with intersection portions of plural scan lines and plural signal lines disposed to intersect one another, is electrically connected to any other adjacent upper electrode. At each group of sensor portions whose upper electrodes are electrically connected, a common electrode line and the upper electrode of any sensor portion belonging to that group of sensor portions are connected by a contact pad via a contact hole formed in an insulating film and at a connection place of a number that is less than a number of sensor portions belonging to that group of sensor portions. | 09-03-2009 |
20090244343 | ELECTROMAGNETIC WAVE DETECTING ELEMENT - The present invention is to provide an electromagnetic wave detecting element that can suppress the trapping of charges in a semiconductor layer. Plural lower electrodes, which collect charges generated in the semiconductor layer, are each provided to cover at least a portion in a length direction and the entire region in a width direction of a scan line adjacent thereto, and the lower electrodes are disposed at positions at which the scan lines are provided. | 10-01-2009 |
20090250699 | ELECTROMAGNETIC WAVE DETECTING ELEMENT - The present invention provides an electromagnetic wave detecting element that can suppress occurrence of cracking at a substrate peripheral portion, and occurrence of breakage of lead-out wires. An interlayer insulating film is formed so as to cover TFT switches on a substrate. An interlayer insulating film is formed so as to cover semiconductor layer of sensor portions that generate charges due to electromagnetic waves that are an object of detection being irradiated, and cover a region on the substrate where the interlayer insulating film is formed. | 10-08-2009 |
20090261338 | ACTIVE MATRIX SUBSTRATE, DISPLAY DEVICE, AND TELEVISION RECEIVER - An active matrix substrate includes a plurality of transistors. A source electrode is connected with a data signal line, and a drain electrode is connected with a pixel electrode in each transistor. The source electrode is located on a semiconductor layer, and at least a portion of the drain electrode is overlapped with the gate electrode. A gate insulating film covering the gate electrode of each transistor has a thin section having a reduced film thickness, at a portion where the gate insulating film is overlapped with each gate electrode. An overlapping area of the thin section with the source electrode is smaller than an overlapping area of the thin section with the drain electrode. Thus, the active matrix substrate can prevent the generation of short-circuits between the signal lines (between the data signal line and a scanning signal line) in a TFT forming region, while guaranteeing TFT characteristics. | 10-22-2009 |
20090290055 | ELECTROMAGNETIC WAVE DETECTION ELEMENT - The present invention provides an electromagnetic wave detection element that can raise the speed of image read-out. Scan lines are each disposed to plural pixel lines for each of the pixel lines in a row direction of plural pixels disposed in a matrix array, and switches each TFT switch provided to respective pixels in the plural pixel lines by the respective scan lines. Plural signal lines are each disposed to each of the pixel lines in the column direction of the matrix array. In each of the pixel lines in the column direction, the respective signal line is connected to a different TFT switch from the TFT switches that are connected to the same respective scan line, and the charge accumulated in storage capacitors is read out through each of the signal lines according to the state of the TFT switches. | 11-26-2009 |
20090322719 | DETECTION ELEMENT - The present invention provides a detection element that can suppress generation of a residual image. A sensor portion includes a semiconductor layer, an upper electrode and a lower electrode. The semiconductor layer generates charges due to light being illuminated thereto. The upper electrode applies a bias voltage to the semiconductor layer. The lower electrode collects charges that have been generated at the semiconductor layer. The charges that have been generated at the semiconductor layer are collected and accumulated by the lower electrode. In the detection element, a saturation prevention circuit (diode and second bias line) is provided through which the accumulated charges flow-out when the charges that have been generated at the semiconductor layer are collected and a voltage level of the lower electrode becomes a saturation prevention voltage level Vs. | 12-31-2009 |
20100051820 | X-RAY DETECTING ELEMENT - The present invention provides an X-ray detecting element that obtains radiation images by X-rays of different energies by irradiation of X-rays at a single time, without positional offset arising. Two X-ray detecting sections are provided so as to be layered at a substrate in a direction of irradiation of X-rays. A first X-ray detecting section detects irradiated X-rays, and a second X-ray detecting section detects X-rays that are transmitted through the first X-ray detecting section. | 03-04-2010 |
20100054418 | X-RAY DETECTING ELEMENT - The present invention provides an X-ray detecting element that can obtain radiation images by X-rays of different energies by irradiation of X-rays a single time, without positional offset arising. A first scintillator is provided at an outer side of a sensor portion and a sensor portion of one surface side of a substrate. A second scintillator is provided at another surface side of the substrate. X-rays that are irradiated from the one surface side or the other surface side of the substrate are converted into light at the first and second scintillators. The sensor portion detects light that is illuminated from the first scintillator of the one surface side, and the sensor portion detects light that is illuminated from the second scintillator of the other surface side of the substrate. | 03-04-2010 |
20100072383 | RADIATION DETECTING ELEMENT - The present invention provides a radiation detecting element that can obtain radiation images by X-rays of different energies by irradiation of X-rays at a single time, without positional offset arising. X-ray detecting sections, that generate charges corresponding to irradiated X-rays, are provided at an obverse side and a reverse side of a substrate. At each pixel, the X-ray detecting sections are disposed so as to be layered with respect to a direction of irradiation of X-rays. | 03-25-2010 |
20100104067 | RADIOGRAPHIC IMAGING DEVICE - The present invention provides radiographic imaging elements that can obtain a radiographic image by irradiation with radiation of different energies at a single time, while suppressing positional misalignment. Namely, radiographic imaging elements are disposed layered on one face-side of a support substrate. A signal detection circuit and a scan signal control circuit are disposed on the opposite face-side of the support substrate, these circuits performing at least one of control of detection and/or signal processing of image signals in the respective radiographic imaging elements. The signal detection circuit and the scan signal control circuit are connected to the respective radiographic imaging elements by connection lines, enabling communication. | 04-29-2010 |
20100181489 | RADIATION DETECTOR - Intended is to suppress the separation by a thermal stress between an upper substrate and a lower substrate jointed through a joint member, and to suppress a creeping discharge from an upper electrode to a lower electrode. An active matrix substrate and a glass substrate are jointed at their outer peripheral portions so that the joint area, in which the active matrix substrate and the glass substrate are jointed, can be reduced. This makes it possible to reduce the thermal stress to be caused between the active matrix substrate and the glass substrate, and to suppress the separation between the active matrix substrate and the glass substrate jointed with an adhesive resin. Moreover, a semiconductor layer is covered at its peripheral end portion with the adhesive resin, so that a creeping discharge, as might otherwise occur from a bias electrode to a charge collecting electrode, can be suppressed through a clearance even if the clearance is created between the peripheral end portion of the semiconductor layer and the active matrix substrate. | 07-22-2010 |
20100243909 | RADIATION DETECTOR - The present invention provides a radiation detector with improved workability in manufacturing processes and maintenance processes. Namely, a first housing and a second housing can be opened, to allow accessing of a TFT substrate and a radiation converting layer disposed in the first housing, and to allow accessing of a circuit substrate disposed in the second housing. Accordingly, higher workability can be achieved in manufacturing processes such as connecting of switching elements of the TFT substrate and the circuit substrate, and in maintenance processes of the TFT substrate and the circuit substrate. | 09-30-2010 |
20100276604 | IMAGE DETECTING DEVICE - Static electricity generated in each data line | 11-04-2010 |
20110057192 | ACTIVE MATRIX SUBSTRATE AND DISPLAY UNIT PROVIDED WITH IT - An active matrix substrate includes a substrate; scanning lines formed on the substrate; an insulating film covering the scanning lines; signal lines intersecting the scanning lines via the insulating film; switching elements formed on the substrate, each operating in response to a signal which is applied to the corresponding scanning line; and pixel electrodes each capable of being electrically connected to the corresponding signal line via the switching elements. The insulating film is a multilayer insulating film including a first insulating layer and a second insulating layer. The first insulating layer is formed of an insulating material containing an organic component, and the multilayer insulating film has a low-stack region in at least a portion of a region overlapping each switching element, the first insulating layer not being formed in the low-stack region. The active matrix substrate reduces the capacitance formed at each intersection between a scanning line and a signal line, without causing an increase in the wiring resistance or a degradation of the driving ability of switching elements. | 03-10-2011 |
20110073979 | DETECTION ELEMENT - The present invention provides a detection element that can suppress leak current from an end face of a semiconductor layer. That is, of an n | 03-31-2011 |
20110121189 | RADIATION DETECTOR - Scan lines, each disposed to plural pixel lines for each of the pixel lines in a row direction of plural pixels disposed in a matrix, that switch each TFT switch provided at respective pixels in the plural pixel lines. Plural signal lines are each disposed to each of the pixel lines in the row direction of the matrix array. In each of the pixel lines in the row direction, respective signal line is connected to different TFT switch from the TFT switches that are connected to the same respective scan line, and charges accumulated in charge storage capacitors is read out according to the states of the TFT switches. The pixels or the signal lines at a subset of the pixel lines in one direction are disposed shifted in the one direction, such that the signal lines are disposed between pixels of the pixel lines. | 05-26-2011 |
20110174957 | RADIATION DETECTION ELEMENT - The present invention provides a radiation detection element that may suppress variation in wiring load, and that may increase the arrangement pitch of connecting portions connected to external circuits. Namely, plural pixels are disposed in an inclined matrix within a detection region, and a signal line is disposed for every two pixel lines in a vertical direction. | 07-21-2011 |
20110180714 | RADIATION DETECTOR - The present invention provides a radiation detector including: a wavelength conversion unit that converts irradiated radiation to a radiation with a second wavelength; a first substrate that has a first and a second surface; radiation detecting pixels, disposed in a matrix on the first surface, that accumulate charges generated by irradiation of the radiation with the second wavelength, and that include switching elements to read out the charges; scan lines, provided on the first surface, through which a control signal, that switches each switching element provided in each radiation detecting pixel, flows; signal lines, provided on the first surface, through which an electric signal flows, the electric signal corresponding to the charges accumulated in each radiation detecting pixel; and a second substrate, provided on the second surface, that includes radiation irradiation detecting sensors that generate charges due to irradiation of the radiation having the second wavelength. | 07-28-2011 |
20110284749 | Radiation detector - The present invention provides a radiation detector that may suppress a decrease in dynamic range, and may improve an S/N ratio at a low radiation amount. Namely, pixels are provided with sensor sections each having different sensitivity characteristics, the sensor sections generating electric charge in response to irradiation of radiation and accumulating the electric charge in accordance with the amount of irradiated radiation. A control signal flows through a switch element provided for each pixel via scan lines. An electric signal corresponding with the electric charge accumulated in the sensor section of each pixel flows through signal lines in accordance with the switching state of the respective switch elements. | 11-24-2011 |
20120001079 | Radiation detecting element and radiographic imaging device - 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. | 01-05-2012 |
20120025190 | Radiation detector - The present invention provides a radiation detector that may set output characteristics of an electrical signal for output so as to match the detection range of an amplifier. Namely, a charge storage capacitor is provided to each sensor section so as to be electrically connected to a bias line in parallel to the respective sensor section. | 02-02-2012 |
20120132822 | RADIATION DETECTION ELEMENT AND RADIOGRAPHIC IMAGING DEVICE - 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. | 05-31-2012 |
20120138810 | RADIOGRAPHIC IMAGING DEVICE, RADIOGRAPHIC IMAGING METHOD, AND COMPUTER READABLE MEDIUM STORING RADIOGRAPHIC IMAGING PROGRAM - The present invention provides a radiographic imaging device including, a plurality of pixels each including, a generation section that generates charges according to irradiated radiation, an accumulation section that accumulates charges generated by the generation section, and a switching element that reads out the charges accumulated in the accumulation section, and that outputs electrical signals corresponding to the charges; an amplification section that amplifies the electrical signals output from the switching elements; and a setting section that sets an amplification factor of the amplification section corresponding to the charges accumulated during an accumulation period, during which charges are accumulated, based on the electrical signals output from radiation detection pixels during the accumulation period. | 06-07-2012 |
20120181441 | RADIOGRAPHIC IMAGING APPARATUS, COMPUTER READABLE MEDIUM STORING RADIOGRAPHIC IMAGING PROGRAM, AND RADIOGRAPHIC IMAGING METHOD - The present invention provides a radiographic imaging apparatus including: a plurality of pixels arrayed in a matrix, each of the pixels comprising: a photoelectric conversion element that generates and accumulates charges according to irradiation of radiation; a read-out switching element that read out the accumulated charges in response to a first control signal, and that outputs an electrical signal corresponding to the charges; and a shorting element that shorts the photoelectric conversion element in response to a second control signal. | 07-19-2012 |
20120187303 | RADIOGRAPHIC IMAGING DEVICE, COMPUTER READABLE MEDIUM STORING RADIOGRAPHIC IMAGING PROGRAM, AND RADIOGRAPHIC IMAGING METHOD - The present invention provides a radiographic imaging device, a computer readable storage medium storing a radiographic imaging program, and a radiographic imaging method, that may appropriately reduce remaining charges of a photoelectric conversion element. Namely, when radiation is irradiated, an amplifier is switched to a sampling state, TFT switches are switched to an ON state, and charges that have been generated due to the radiation are read out for generating image data of a radiographic image. After an S/H switch has been turned ON for a specific duration and charges has been output to an ADC, the TFT switches are again switched to the ON state in a period outside the CA sampling period, and charges read out from sensor sections by the TFT switch are read-discarded without being employed for the generation of image data. | 07-26-2012 |
20120187464 | ELECTROMAGNETIC WAVE DETECTING ELEMENT - The present invention is to provide an electromagnetic wave detecting element that can prevent a decrease in light utilization efficiency at sensor portions. The sensor portions are provided so as to correspond to respective intersection portions of scan lines and signal lines, and have semiconductor layer that generate charges due to electromagnetic waves being irradiated, and at whose electromagnetic wave irradiation surface sides upper electrodes are formed, and at whose electromagnetic wave non-irradiation surface sides lower electrodes are formed. Bias voltage is supplied to the respective upper electrodes via respective contact holes by a common electrode line that is formed further toward an electromagnetic wave downstream side than the semiconductor layer. | 07-26-2012 |
20120193546 | RADIOGRAPHIC IMAGING DEVICE, COMPUTER-READABLE MEDIUM STORING PROGRAM FOR CONTROLLING RADIOGRAPHIC IMAGING DEVICE, AND METHOD FOR CONTROLLING RADIOGRAPHIC IMAGING DEVICE - The present invention provides a radiographic imaging device, a computer-readable medium storing a program for controlling a radiographic imaging device, and a method for controlling a radiographic imaging device, that may suppress feed-through without narrowing a dynamic range. Namely, a control section outputs control signals via scan lines to gates of TFT switches to perform control in such a way that the timing when a TFT switch n−1 of a pixel n−1 is switched to an OFF state and the timing when a TFT switch n of a pixel n is switched to an ON state become simultaneous timings, or timings that can be regarded substantially simultaneous even though the time period in which the TFT switch n is in an ON state and part of the time period in which the TFT switch n−1 is in an ON state overlap. | 08-02-2012 |
20120288061 | RADIOGRAPHIC IMAGING DEVICE, RADIOGRAPHIC IMAGING SYSTEM, COMPUTER READABLE MEDIUM STORING PROGRAM FOR CONTROLLING RADIOGRAPHIC IMAGING DEVICE, AND METHOD FOR CONTROLLING RADIOGRAPHIC IMAGING DEVICE - The present invention provides a radiographic imaging device, radiographic imaging system, a program for controlling the radiographic imaging device, and a method for controlling the radiographic imaging device that may accurately detect start of irradiation of radiation even noises are generated by interference or the like. When radiation is irradiated, electric signals outputted from radiation detection pixels in charge accumulation period are detected by signal detection circuit during detection period. Control section determines whether time variation of the electric signals feature pre-specified characteristics of noise. If not, the start of the irradiation of radiation has been properly detected, the charge accumulation period continues, and radiographic image is imaged. However, if the electric signals feature the pre-specified characteristics, it is determined that the start of the irradiation of radiation has been misdetected, the charge accumulation period is stopped, and is switched to radiation detection period. | 11-15-2012 |
20130001427 | RADIATION DETECTOR, RADIOGRAPHIC IMAGING DEVICE, RADIOGRAPHIC IMAGING SYSTEM AND LINE CAPACITANCE ADJUSTING METHOD - The present invention provides a radiation detector, a radiographic imaging device, a radiographic imaging system and a line capacitance adjusting method that may suppress image irregularities from occurring in the obtained radiographic images. Namely, the line capacitance difference between each of plural signal lines is reduced by adjusting elements (capacitors) connected to at least one of the plural signal lines. | 01-03-2013 |
20130003926 | RADIOGRAPHIC IMAGING DEVICE, RADIOGRAPHIC IMAGING SYSTEM, COMPUTER READABLE MEDIUM STORING DISCONNECTION DETECTION PROGRAM, AND DISCONNECTION DETECTION METHOD - The present invention provides a radiographic imaging device, a radiographic imaging system, a computer readable medium storing disconnection detection program and a disconnection detection method that may detect disconnected specific signal lines even when the charge amount output from a single pixel is small. Namely, a bias voltage is applied to pixels, and offset charges due to leak current of sensor portions (photodiodes) are accumulated. The gates of pixel TFT switches are switched ON in sequence, and electric signals are output corresponding to the accumulated offset charges. A control section detects a cumulative value of the offset charge amount based on the electric signals. The detected cumulative value is then compared to a predetermined disconnection detection threshold value and disconnected signal lines are detected when the cumulative value is less than the threshold value. | 01-03-2013 |
20130009065 | RADIATION DETECTOR, RADIOGRAPHIC IMAGING DEVICE AND RADIOGRAPHIC IMAGING SYSTEM - 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. | 01-10-2013 |
20130009069 | RADIATION DETECTOR, RADIOGRAPHIC IMAGING DEVICE AND RADIOGRAPHIC IMAGING SYSTEM - The present invention provides a radiation detector, a radiographic imaging device, and a radiographic image system that may be easily tested and may precisely detect radiation. Namely, pixels each includes a sensor portion A and a sensor portion B. In imaging pixels, the sensor portion A and the sensor portion B are connected by a connection line, and charges generated in the sensor portion A and in the sensor portion B are read by a TFT switch and output to a signal line. In radiation detection pixels, charges generated in the sensor portion A are read by a TFT switch and output to a signal line. Further, in the radiation detection pixels, the sensor portion B and the signal line are directly connected by a connection line, and the charges generated in the sensor portion B are output to the signal line as they arise. | 01-10-2013 |
20130284937 | RADIATION DETECTING ELEMENT AND RADIOGRAPHIC IMAGING DEVICE - 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. | 10-31-2013 |
20140138552 | RADIATION DETECTING ELEMENT, RADIOGRAPHIC IMAGE DETECTING PANEL, AND RADIOGRAPHIC IMAGE DETECTING DEVICE - 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. | 05-22-2014 |
20140161229 | RADIOGRAPHIC IMAGING DEVICE AND RADIOGRAPHIC IMAGING METHOD - The present invention provides a radiographic imaging device and a radiographic imaging method that secure high sensitivity and raising resolution. Namely, a radiographic imaging device includes: a radiation detection element including plural same sized hexagonal shaped pixels that detect radiation and are arrayed in honeycomb pattern; and a pixel density conversion section that performs interpolation processing such that first image data obtained from the radiation detection element is converted into second image data representing an image of plural pixels arrayed in square grid pattern, wherein d1max is d2max or greater, and d1max is a value of the root of (2×S1) or lower, wherein d1max denotes the length of a longest diagonal of the hexagonal shaped pixels, S1 denotes the surface area of the hexagonal shaped pixels, and d2max denotes the length of a diagonal of the square lattice of the second image data. | 06-12-2014 |
20140161230 | RADIOGRAPHIC IMAGING DEVICE AND RADIOGRAPHIC IMAGING METHOD - A radiographic imaging device includes a radiation detection element including plural same sized hexagonal shaped pixels that detect radiation and are arrayed in a honeycomb pattern, and a pixel density conversion section that performs interpolation processing such that first image data obtained from the radiation detection element is converted into second image data representing an image in which plural pixels are arrayed in a square grid pattern, wherein when d1max denotes the length of the longest diagonal of the hexagonal shaped pixels, S1 denotes the surface area of the hexagonal shaped pixels, and d2max denotes the length of the diagonals of the square grid of the second image data, d1max is equal to or greater than d2max, and d2max is equal to or greater than the value of the square root of S1. | 06-12-2014 |
20150043715 | RADIOGRAPHIC IMAGING DEVICE, RADIOGRAPHIC IMAGING SYSTEM, CONTROL METHOD OF RADIOGRAPHIC IMAGING DEVICE AND PROGRAM STORAGE MEDIUM - 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. | 02-12-2015 |
20150049858 | RADIOGRAPHIC IMAGE DETECTOR, RADIOGRAPHIC IMAGING APPARATUS, RADIOGRAPHIC IMAGING SYSTEM - The present invention provides a radiographic image detector that may maintain even resolution in 6 directions before and after 3-pixel binning process or 4-pixel binning process. A radiation detector is disposed with plural pixels that have hexagonal shaped pixel regions, arrayed in a honeycomb pattern. Scan lines connected to TFT switches in each of the pixels are disposed one for each of the pixel rows. Grouped scan lines are also disposed one for each of the pixel rows for reading and combining 3 pixels or 4 pixels worth of charges at the same timing for plural pixel groups, each configured from 3 pixels or 4 pixels in a radiation detection element. ON signals are simultaneously sent by the grouped scanned lines to the TFT switches to perform 3-pixel binning or 4-pixel binning. | 02-19-2015 |
20150076358 | RADIATION IMAGING DEVICE, RADIATION IMAGING SYSTEM, RADIATION IMAGING DEVICE CONTROL METHOD, AND RECORDING MEDIUM STORING RADIATION IMAGING DEVICE CONTROL PROGRAM - Radiation images with different resolutions may be captured using a general-purpose driver configured with a shift register group in a single system. Each shift register is connected to a first gate line or a second gate line via a connection terminal in accordance with wiring of a radiation detector. Under the control of an FPGA, in a case of low resolution imaging, a panel control section outputs OE signals that disable the output of on signals from the shift registers to the first gate lines in accordance with CPK signals. In a case of high resolution imaging, the panel control section outputs OE signals that disable the output of on signals from the shift registers to the second gate lines. In both cases, an on signal outputted from a shift register is inputted to a succeeding shift register. | 03-19-2015 |
20150083924 | RADIOGRAPHIC IMAGING DEVICE AND RADIATION DETECTOR - 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. | 03-26-2015 |