Abstract: A detection apparatus includes a plurality of conversion elements, an interlayer insulating layer, and a covering layer. Each of the plurality of conversion elements includes an electrode electrically connected to a corresponding one of a plurality of switching elements and a semiconductor layer disposed on the electrode. The interlayer insulating layer is disposed so as to cover the plurality of switching elements and composed of an organic material, and has a surface including a first region and a second region located outside the first region. The electrodes are disposed on the surface of the interlayer insulating layer in the first region. The covering layer is disposed on the surface of the interlayer insulating layer in the second region and composed of an inorganic material.

Abstract: Provided is a radiation imaging apparatus, including: a plurality of pixels configured to output image signals corresponding to radiation; an image signal line configured to output the image signals; and a detection signal line configured to output a detection signal for detection of irradiation of the radiation, in which at least one of the plurality of pixels includes: a conversion element configured to convert the radiation into charge; a first switch configured to output the image signal corresponding to the charge via the image signal line; a storage capacitor including a first electrode and a second electrode, in which the first electrode is electrically connected to the conversion element to store the charge; and a second switch configured to electrically connect the second electrode and the detection signal line.

Abstract: A radiation imaging apparatus, comprising pixels, a unit including a detecting element and a switch element, a signal line connected to the detecting element through the switch element, and a controller, the controller obtains, before a start of radiation irradiation, a first signal of the signal line with the switch element being in a non-conductive state and a second signal of the signal line with the switch element being in a conductive state, obtains, in response to the start of the irradiation, a third signal of the signal line with the switch element being in the non-conductive state and a fourth signal of the signal line with the switch element being in the conductive state, and performs AEC based on the first to fourth signals.

Abstract: A radiation imaging apparatus has a plurality of pixels including a plurality of imaging pixels for obtaining a radiation image and a detecting pixel for detecting radiation, a plurality of column signal lines, and a detection signal line corresponding to the detecting pixel. Each of the imaging pixels includes a first conversion element configured to convert radiation into an electrical signal, and a first switch arranged between the first conversion element and a corresponding column signal line among the plurality of column signal lines. The detecting pixel includes a second conversion element configured to convert radiation into an electrical signal, and a second switch arranged between the second conversion element and the detection signal line.

Abstract: A radiation imaging apparatus includes a unit constituted by arranging blocks in line and an information processing unit. Each of the blocks includes a conversion element configured to generate an image signal corresponding to radiation, a switching element connected between the conversion element and a column signal line, a detection element configured to detect radiation, and a detection signal line connected to the detection element. The information processing unit corrects a signal from the detection element, by using a value of the signal based on a parasitic capacitance between the conversion elements arranged on the same column as a column of the detection element.

Abstract: A radiation imaging apparatus includes a first control line electrically connected to a control electrode of an imaging switching element, a second control line electrically connected to a control electrode of a detection switching element, a signal line electrically connected to a main electrode of the detection switching element, a capacitance line arranged to be capacitively coupled with the signal line, wherein the capacitance line is different from the first control line and the second control line, a driving unit electrically connected to the second control line and the capacitance line and configured to apply a voltage to the detection switching element and the capacitance line, and a control unit configured to control the driving unit to apply, in a case where an on-state or off-state voltage is applied to the detection switching element, a voltage having an opposite polarity to that of the voltage to the capacitance line.

Abstract: A radiation imaging apparatus, comprising pixels, a unit including a detecting element and a switch element, a signal line connected to the detecting element through the switch element, and a controller, the controller obtains, before a start of radiation irradiation, a first signal of the signal line with the switch element being in a non-conductive state and a second signal of the signal line with the switch element being in a conductive state, obtains, in response to the start of the irradiation, a third signal of the signal line with the switch element being in the non-conductive state and a fourth signal of the signal line with the switch element being in the conductive state, and performs AEC based on the first to fourth signals.

Abstract: A radiation imaging apparatus includes a plurality of pixels for acquiring a radiation image and a plurality of sensors for detecting radiation, a processing unit for sampling outputs from sensors constituting an effective sensor group, out of the plurality of sensors, and outputting information for control of irradiation in accordance with the sampled outputs. In a first period after the irradiation to the radiation imaging apparatus starts, the processing unit excludes, from the effective sensor group, a sensor, a value corresponding to an output from which has exceeded a first threshold, out of the plurality of sensors, and in a second period after the first period, the processing unit outputs the information in accordance with outputs from the sensors constituting the effective sensor group.

Abstract: A pixel includes a conversion element detecting radiation, and a switch between the element and a signal line. A readout unit reads out a signal on the signal line. The readout unit includes a reset unit that resets a potential of the signal line. A period during which the readout unit reads out a signal on the signal line includes a first period during which the signal line is reset, and a signal on the signal line in a state that the switch is not turned on is read out, and a second period during which the signal line is reset, and a signal on the signal line due to the switch being turned on is read out. The processing unit calculates a difference between the signals read out in the second and first periods.

Abstract: A radiation imaging apparatus is provided. The apparatus comprises first pixels arranged in an image sensing region to obtain a radiation image, a second pixel configured to obtain a dose of incident radiation and a control unit configured to control the first pixels and the second pixel. The control unit causes the first pixels to accumulate charge corresponding to a radiation dose, while causing the second pixel to operate in a detection cycle determined based on irradiation information of radiation before irradiation with radiation, obtains a dose of incident radiation for each detection cycle, and corrects the obtained radiation dose in accordance with an amount of noise output from the second pixel operating in the detection cycle.

Abstract: A radiation imaging apparatus is provided. The apparatus comprises first pixels arranged in an image sensing region to obtain a radiation image, a second pixel configured to obtain a dose of incident radiation and a control unit configured to control the first pixels and the second pixel. The control unit causes the first pixels to accumulate charge corresponding to a radiation dose, while causing the second pixel to operate in a detection cycle determined based on irradiation information of radiation before irradiation with radiation, obtains a dose of incident radiation for each detection cycle, and corrects the obtained radiation dose in accordance with an amount of noise output from the second pixel operating in the detection cycle.

Abstract: A radiation imaging apparatus includes a plurality of conversion elements configured to convert radiation into an electric signal to obtain a radiation image, a sensor for monitoring radiation, a processing unit configured to process signals output from output electrodes of the plurality of conversion elements and an output electrode of the sensor, and a shield. The signal output from the output electrode of the sensor is supplied to the processing unit via a signal line. The shield is arranged such that capacitive coupling between the output electrodes of the plurality of conversion elements and the signal line is reduced.

Abstract: A radiation imaging apparatus includes a plurality of pixels, each of which includes a conversion element and a transistor, a plurality of drive lines connected to gates of the transistors, a drive circuit unit configured to supply a voltage to the plurality of drive lines, and a control unit configured to control the drive circuit unit. The control unit performs control of causing the drive circuit unit to apply a different voltage that is between the OFF voltage and the ON voltage and is different from the OFF voltage and the ON voltage to the plurality of drive lines in a different period different from a period in which storage control is performed and a period in which read control is performed.

Abstract: A radiation imaging apparatus includes a first control line electrically connected to a control electrode of an imaging switching element, a second control line electrically connected to a control electrode of a detection switching element, a signal line electrically connected to a main electrode of the detection switching element, a capacitance line arranged to be capacitively coupled with the signal line, wherein the capacitance line is different from the first control line and the second control line, a driving unit electrically connected to the second control line and the capacitance line and configured to apply a voltage to the detection switching element and the capacitance line, and a control unit configured to control the driving unit to apply, in a case where an on-state or off-state voltage is applied to the detection switching element, a voltage having an opposite polarity to that of the voltage to the capacitance line.

Abstract: A detecting apparatus formed on a substrate, includes a plurality of pixels arranged in a matrix, and a signal line electrically connected to the pixels. Each of the pixels includes a sensing element that converts radiant ray or light to electric charges, an amplification thin film transistor that outputs an electric signal based on an amount of the electric charges, a capacitor that holds an electric signal output by the amplification thin film transistor, and a transfer thin film transistor that transfers an electric signal held in the capacitor to the signal line.

Abstract: A radiation imaging apparatus includes pixels arranged to form an array, sensors including conversion elements dispersed in the array to monitor radiation, a processing circuit for processing signals from the sensors, first signal lines for transmitting a signal from at least one of the sensors to the processing circuit, and second signal lines extending in a direction parallel to the first signal lines and not directly connected to the pixels and the conversion elements or connected to at least one of the pixels and at least one of the sensors. The processing circuit determines a value of a signal generated by each sensor based on a difference between a value of a signal appearing on the first signal line and a value of a signal appearing on the second signal line.

Abstract: An active matrix panel includes a gate line connected to control electrodes of a plurality of transistors; and a drive circuit supplying the gate line with a conducting voltage and a non-conducting voltage. The drive circuit includes a shift register including a plurality of shift register unit circuits connected to each other, and a demultiplexer including a plurality of demultiplexer unit circuits into which output signals of the shift register unit circuits are input. The demultiplexer unit circuit includes a first transistor for supplying the gate line with the conducting voltage, and a second transistor for supplying the gate line with the non-conducting voltage. The first transistor is changed from a non-conducting state into a conducting state when the second transistor is in the conducting state.

Abstract: A detection apparatus includes a plurality of conversion elements, an interlayer insulating layer, and a covering layer. Each of the plurality of conversion elements includes an electrode electrically connected to a corresponding one of a plurality of switching elements and a semiconductor layer disposed on the electrode. The interlayer insulating layer is disposed so as to cover the plurality of switching elements and composed of an organic material, and has a surface including a first region and a second region located outside the first region. The electrodes are disposed on the surface of the interlayer insulating layer in the first region. The covering layer is disposed on the surface of the interlayer insulating layer in the second region and composed of an inorganic material.

Abstract: An apparatus includes a detecting pixel including a converting element and a switch element, a different pixel includes a different converting element and a different switch element, a signal line connected in common to a plurality of the switch elements, a driving unit configured to drive the different switch element and the switch element, and a control unit configured to control the driving unit, wherein the control unit controls the driving unit such that in a case where an on-state voltage or an off-state voltage is applied to at least one switch element, a voltage of opposite polarity to the on-state voltage or the off-state voltage is applied to a different switch element that is different from the at least one switch element or a voltage of opposite polarity to the on-state voltage or the off-state voltage is applied to the different switch element.

Abstract: An apparatus includes a plurality of imaging pixels configured to acquire a radiation image, a plurality of detection pixels each including a detection conversion element and a detection switch element, a drive unit configured to drive the detection switch element of each of the plurality of detection pixels, a plurality of detection regions in each of which the plurality of detection pixels are arranged, a control unit configured to control the drive unit to drive the plurality of detection pixels arranged in each of the plurality of detection regions at respective different timing, and an acquisition unit configured to acquire an amount of incidence of radiation rays on each of the plurality of detection regions based on a value obtained by summing or averaging signals read out from the plurality of detection pixels.