Abstract: A read circuit for an image sensor includes: a first analog-to-digital conversion unit configured to perform successive approximation high-bit analog-to-digital conversion on collected pixel data to obtain high-bit conversion data and residual pixel data; and a second analog-to-digital conversion unit electrically connected to the first analog-to-digital conversion unit and configured to perform single-slope low-bit analog-to-digital conversion on the residual pixel data to obtain low-bit conversion data, wherein a sum of a first conversion accuracy of the first analog-to-digital conversion unit and a second conversion accuracy of the second analog-to-digital conversion unit is equal to a preset conversion accuracy for the pixel data. In accordance with the read circuit, a high image conversion frame rate of the pixel data can be achieved with lower power consumption and less circuit area, and the conversion cycle of the pixel data is effectively shortened.

Abstract: A beam shaping method and device employing full-image transfer for planar light sources. The method comprises: using multiple first lenses to respectively magnify and image beams emitted by multiple planar light sources, so as to obtain magnified full images of the multiple planar light sources; and seamlessly stitching together the magnified full images of the multiple planar light sources at a primary imaging position, so as to obtain a seamless light source at the primary imaging position. The beam shaping method for the planar light sources achieves the elimination of gaps between the light sources with almost no loss of optical power by means of full-image transfer and seamless stitching, thereby improving the beam quality of the light sources as a whole. This kind of optical shaping method is suitable for shaping and processing planar light sources such as VCSEL and LED.

Abstract: In an image sensor including a pixel array having a plurality of pixels, each of the plurality of pixels includes: a first photodiode; a second photodiode having a larger light-receiving area than the first photodiode; a first floating diffusion node where charge generated in the first photodiode is accumulated; a second floating diffusion node where charge generated in the second photodiode is accumulated; a first capacitor accumulating charge overflowing from the first photodiode; a first driving transistor configured to generate an output signal corresponding to a voltage of the second floating diffusion node; and a second capacitor storing an amount of overflow charges according to an overflow operation for accumulating the overflowing charge and storing an amount of reset charges according to a reset operation for resetting the first floating diffusion node.

Abstract: A detection substrate and a ray detector are disclosed. The detection substrate includes a base substrate; a plurality of detection pixel circuits, located on the base substrate; a first passivation layer, located on the side, facing away from the base substrate, of the detection pixel circuits; a planarization layer, located on the side, facing away from the base substrate, of the first passivation layer, where the surface of the side, facing away from the first passivation layer, of the planarization layer is a plane; and a plurality of photosensitive devices; where the photosensitive devices are electrically connected to the detection pixel circuits in a one-to-one correspondence through vias penetrating through the first passivation layer and the planarization layer, and each photosensitive device includes a first portion and a second portion.

Abstract: The present disclosure relates to a laser receiving device and a LiDAR. An isolation component is provided between a plurality of parallel sensor groups, and an isolation component is provided between a plurality of amplifier groups in parallel, so that a plurality of parallel receiving channels each form an independent current loop, thereby reducing noise crosstalk among signal receiving channels and improving the signal-to-noise ratio of the laser receiving device.

Abstract: A lighting device includes a linear light source extending in a first direction and configured to emit light in a second direction intersecting the first direction to an object; a rod lens apart from the linear light source in the second direction and extending in the first direction, the rod lens configured to transmit the light emitted from the linear light source; and a support portion supporting the rod lens and having: a first surface extending in a third direction intersecting the second direction; and a second surface extending in a fourth direction intersecting the second direction and the third direction. The rod lens is in contact with each of the first surface and the second surface.

Abstract: A light shielding plate includes: a front surface located on a light entry side; a rear surface facing away from the front surface; and a hole extending through between the front surface and the rear surface. The hole includes a first hole portion and a second hole portion connected to the first hole portion at a center opening. The first hole portion extends from a rear surface opening in the rear surface to the center opening and is tapered in shape from the rear surface toward the front surface. The second hole portion extends from a front surface opening in the front surface to the center opening and is tapered in shape from the front surface toward the rear surface. The front surface opening is larger in size than the rear surface opening.

Abstract: According to one embodiment, a solid-state image sensor includes a linear array of pixels, a timing generator that outputs a pulse signal, a plurality of clock drivers that generate each generate a different drive signal based on the pulse signal, an analog shift register that transfers the signal charges in one direction along the linear array by applying the drive signals to the respective transfer blocks. The plurality of drive signals generated by the plurality of clock drivers each have a different phase.

Abstract: An imager assembly for a vehicular camera module includes an imager circuit board and a lens holder. An imager is disposed at the imager circuit board. The lens holder includes a lens holding portion that accommodates a lens. The lens holder includes a plurality of pins extending from an attaching portion and extending in a direction away from the lens holding portion of the lens holder. With the attaching portion of the lens holder at the imager circuit board, individual pins of the plurality of pins are received at least partially through respective apertures of the imager circuit board to locate the lens holder at the imager circuit board. With the pins received at least partially through the apertures of the imager circuit board, and with the lens aligned with the imager at the imager circuit board, the pins are fixedly attached at the imager circuit board.

Abstract: In some embodiments, the present disclosure relates to an integrated chip having an inter-layer dielectric (ILD) structure along a first surface of a substrate having a photodetector. An etch stop layer is over the ILD structure, and a reflector is surrounded by the etch stop layer and the ILD structure. The reflector has a curved surface facing the substrate at a location directly over the photodetector. The curved surface is coupled between a first sidewall and a second sidewall of the reflector. The reflector has larger thicknesses along the first sidewall and the second sidewall than at a center of the reflector between the first sidewall and the second sidewall.

Abstract: A system comprising a biomimetic electrochemical eye (EC-EYE) and a computing device is provided. The EC-EYE comprises: an ionic liquid device; a nanowire (NW) device that comprises the plurality of NWs; and a connection device configured to provide a plurality of currents associated with the plurality of NWs to a computing device. The computing device comprises one or more processors and a display device. The one or more processors are configured to: receive the plurality of currents from the plurality of NWs via the connection device; determine a plurality of pixel characteristics associated with a plurality of pixels based on the plurality of currents from the plurality of NWs; generate an image comprising the plurality of pixels based on the plurality of pixel characteristics; and provide the image to a display device. The display device is configured to display the image.

Abstract: Examples of an apparatus are disclosed. In some example, an apparatus includes a photodiode configured to generate a charge in response to incident light; a measurement capacitor to store at least a part of the charge to generate a voltage; and an analog-to-digital converter (ADC) circuit configured to: in a first measurement period, compare the voltage at the measurement capacitor against a static threshold voltage to generate a first output; in a second measurement period, compare the voltage against a varying threshold voltage to generate a second output, wherein the varying threshold voltage varies with time according to a pre-determined pattern; and generate a final output representing an intensity of the incident light based on either the first output or the second output.

Abstract: A display subsystem for a virtual image generation system for use by an end user comprises a planar waveguide apparatus, an optical fiber, at least one light source configured for emitting light from a distal end of the optical fiber, and a collimation element mounted to a distal end of the optical fiber for collimating light from the optical fiber. The virtual image generation system further comprises a mechanical drive assembly to which the optical fiber is mounted to the drive assembly. The mechanical drive assembly is configured for displacing the distal end of the optical fiber, along with the collimation element, in accordance with a scan pattern. The virtual image generation system further comprises an optical waveguide input apparatus configured for directing the collimated light from the collimation element down the planar waveguide apparatus, such that the planar waveguide apparatus displays image frames to the end user.

Abstract: An imaging system according to the present disclosure includes: an imaging device that is mounted in a vehicle, and captures and generates an image of a peripheral region of the vehicle; and a processing device that is mounted in the vehicle, and executes processing related to a function of controlling the vehicle on the basis of the image. The imaging device includes: a first control line, a first voltage generator that applies a first voltage to the first control line, a first signal line, a plurality of pixels that applies a pixel voltage to the first signal line, a first dummy pixel that applies a voltage corresponding to the first voltage of the first control line to the first signal line in a first period, a converter including a first converter that performs AD conversion on the basis of a voltage of the first signal line in the first period to generate a first digital code, and a diagnosis section that performs diagnosis processing on the basis of the first digital code.

Abstract: A displacement meter for suppressing errors occurring in sub-pixel estimation, comprising: alight source that illuminates an object; an image pickup unit for receiving diffused-reflected light from the object; and a calculation unit for calculating the a displacement amount of the object by using sub-pixel estimation and the cross-correlation function between reference image data and measurement image data, wherein an image acquired during a predetermined timing from the imaging unit serves as the reference image data and an image acquired during the next timing serves as the measurement image data, generates a correction displacement amount by subtracting a correction value from the displacement amount, sets the most recent measurement image data as the reference image data and sets a predetermined initial value as the correction value if the displacement amount meets a predetermined condition, and else sets the displacement amount obtained most recently as the correction value.

Abstract: The system-on-chip camera comprises a semiconductor body with an integrated circuit, a sensor substrate, sensor elements arranged in the sensor substrate according to an array of pixels, a light sensor in the sensor substrate apart from the sensor elements, and a lens or an array of lenses on a surface of incidence. Filter elements, which may especially be interference filters for red, green or blue, are arranged between the sensor elements and the surface of incidence.

Abstract: In a solid-state image sensor that detects an address event, the detection sensitivity for the address event is controlled to an appropriate value. The solid-state image sensor includes a pixel array unit and a control unit. In the solid-state image sensor, multiple pixel circuits are arranged in the pixel array unit, each detecting a change in luminance of incident light occurring outside a predetermined dead band as the address event. The control unit controls the width of the dead band according to the number of times the address event is detected in the pixel array unit within a fixed unit cycle.

Abstract: A display device includes a substrate, conductive pads arranged on the substrate over a plurality of rows, and a drive circuit chip including bumps arranged over a plurality of rows to be electrically connected with the conductive pads, and the conductive pads arranged in a same row are arranged in parallel, and the bumps arranged in a same row are arranged in a zigzag form so as to be partially shifted.

Abstract: An optical device includes an underlying device configured to output light in a first spectrum. A stacked device is coupled to the underlying device and configured to be coupled in overlapping fashion to an optical output of the underlying device. The stacked device is transparent to light in the first spectrum. The stacked device includes electro-optical circuits including: light emitters and detectors. Each detector is associated with one or more light emitters. Each detector is configured to detect light emitted from the underlying device. The light emitters are configured to output light dependent on light detected by an associated detector. Optical filters are optically coupled to an optical input of the underlying device. Each filter is aligned with a detector to suppress absorption of certain wavelengths of light by the underlying device thereby affecting light detected by the detectors and thus further affecting the light output by the light emitters.

Abstract: A signal processing device includes a plurality of pixel signal processing units and a signal line group. The plurality of pixel signal processing units is arranged in a first direction and a second direction, each of the plurality of signal processing units acquiring a digital signal having a plurality of bits based on an output from a corresponding avalanche photodiode. The signal line group is arranged corresponding to the plurality of pixel signal processing units arranged in the first direction and including a signal line to which a plurality of signals corresponding to a plurality of bits of different digits of the digital signal held in each of the plurality of pixel signal processing units arranged in the first direction are commonly output.

Abstract: There is provided a method and system for extending image sensor dynamic range using coded pixels. The method including: providing pixel codes to pixels in the photodetector array for each subframe of a frame; receiving a sensor readout of each of the pixels in the photodetector array for each subframe; for each subframe, based on the pixel code, routing each sensor readout value for collection at one or more taps or to a drain; combining the collected sensor readout values at each of the taps to determine a single pixel value for the frame; and outputting the single pixel value for each pixel for the frame.

Abstract: There is provided a pixel circuit including an optically sensitive material (OSM) layer and a readout circuit. The OSM layer is arranged upon the readout circuit, and used to sense light energy to generate signal charges to be integrated in a floating diffusion. The readout circuit includes a source follower for amplifying a voltage on the floating diffusion within a readout interval, and the voltage on the floating diffusion is not changed by an external voltage pulse within the readout interval.

Abstract: The photoelectric conversion device includes a plurality of pixels arranged to form a plurality of columns, a plurality of AD conversion circuits provided corresponding to the plurality of columns, and a control circuit configured to control the AD conversion circuits. The plurality of pixels includes an OB pixel arranged in a first column and an effective pixel arranged in a second column. The plurality of AD conversion circuits each include a first AD conversion circuit including a first comparator receiving a signal of the OB pixel, and a second AD conversion circuit including a second comparator receiving a signal of the effective pixel. The control circuit controls the first and second comparators such that the result of the AD conversion by the first AD conversion circuit is determined earlier than the result of the AD conversion by the second AD conversion circuit for signals of the same level.

Abstract: A photoelectric conversion apparatus includes a pixel and a counter circuit. The pixel includes a first avalanche photodiode and a second avalanche photodiode having different sensitivity to light. The counter circuit is configured to count a first signal based on charges generated in the first avalanche photodiode, and a second signal based on charges generated in the second avalanche photodiode. Processing on the count value is different between a case where a count value output from the counter circuit is larger than a threshold value and a case where the count value output from the counter circuit is smaller than the threshold value.

Abstract: An image forming apparatus is provided, including a conveying member configured to convey a long paper along a paper path; an image forming unit which forms an image on the long paper being conveyed by the conveying member along the paper path; an image reading unit which reads a surface of the long paper, the surface having the image formed by the image forming unit; and a color sample member which is arrangeable at a position facing the image reading unit, such that the long paper is conveyed by the conveying member to avoid passing through between the image reading unit and the color sample member. Also included is a switch between a first arrangement in which the image reading unit reads the long paper and a second arrangement in which the image reading unit faces the long paper via the color sample member and reads the color sample member, the switch being made by moving the image reading unit or by moving the color sample member and the conveying member.

Abstract: A method and apparatus, device, and storage medium for generating an image processing model and processing images based on the generated image processing model. The method includes generating an initial model for an image resolution processing, the initial model comprising an input layer, an output layer, and an intermediate layer; obtaining a training image comprising a first image and a second image, the first image being obtained by performing a resolution reduction processing on the second image; inputting image data of the first image into the intermediate layer from the input layer for a convolution calculation, and obtaining result data based on the convolution calculation, the result data comprising channel output data of N*N channels; and performing a parameter update on convolution kernel parameters in the intermediate layer based on the result data and the second image, and generating the image processing model according to the initial model.

Abstract: A photosensitive device including a microlens substrate, a photosensitive element substrate, and an optical glue is provided. The microlens substrate includes a first substrate and microlenses. The first substrate has a first side and a second side opposite to the first side. The microlenses are located on the first side of the first substrate. The photosensitive element substrate includes a second substrate, active components, first electrodes, a second electrode, and an organic photosensitive material layer. The second substrate has a third side and a fourth side opposite to the third side. The second side of the first substrate faces the third side of the second substrate. The active components are located on the fourth side of the second substrate. The first electrodes are respectively electrically connected to the active components. The organic photosensitive material layer is located between the first electrodes and the second electrode.

Abstract: An imaging element comprising: an imaging unit that has: a plurality of groups each including at least one pixel; and a plurality of signal readout units that are each provided to each of the groups and read out a signal from the pixel; and a control unit that controls the signal readout unit in at least one group among the plurality of groups is provided. Each of the plurality of groups may include a plurality of the pixels. The control unit may select at least one group among the plurality of groups and control the signal readout unit by using a control parameter that is different from a control parameter that is used for another group among the plurality of groups.

Abstract: An image reading apparatus includes an original illuminator; a reflector for reflecting light reflected by the original; a reading portion for reading the light reflected by the reflector; a holding member holding the reflection member; a first bonding portion connecting the holding member and one end portion of the reflector in a direction along a reflecting surface of the reflection member; and a second bonding portion connecting the holding member and the other end portion of the reflector in the direction along the reflecting surface of the reflection member. The second bonding portion has a hardness less than that of the first bonding portion.

Abstract: An electronic device (200) having an array of pixels (210; 400; 500; 810), and pixel modulation drivers (D1 to D8), each pixel modulation drivers (D1 to D8) being configured to drive a sub-array (R1 to R8) of the pixels.

Abstract: A camera module including a lighting unit configured to output an incident light signal to be emitted to an object, a lens unit configured to concentrate a reflected light signal reflected from the object, an image sensor unit configured to generate electric signals from the reflected light signal concentrated by the lens unit, a tilting unit configured to shift an optical path of at least one of the incident light signal and the reflected light signal for each image frame in units of subpixels of the image sensor unit, and an image control unit configured to extract depth information of the object using a phase difference between the incident light signal and the reflected light signal. The image control unit includes an image controller configured to extract the depth information having a higher resolution than a plurality of subframes generated using the electric signals on the basis of the subframes.

Abstract: An image sensor includes: a readout circuit that reads out a signal to a signal line, the signal being generated by an electric charge resulting from a photoelectric conversion; a holding circuit that holds a voltage based on an electric current from a power supply circuit; and an electric current source including a transistor having a drain part connected to the signal line and a gate part connected to the holding circuit and the drain part, the electric current source supplying the signal line with an electric current generated by the voltage held in the holding circuit.

Abstract: A pixel system for an imaging device can include one or more pixels comprising a pulse trigger assembly configured to detect a pulse at one or more threshold voltages, a timer system forming part of and/or connected to the one or more pixels, the timer system comprising one or more trigger switches. The pulse trigger assembly can be configured to activate the one or more trigger switches in response to detecting the pulse at the one or more threshold values. The pixel system can include a time-of-flight (TOF) module operatively connected to the one or more pixels and/or the timer system to determine a TOF based on an output from the timer system while simultaneously performing either or both passive imaging and asynchronous laser pulse detection.

Abstract: Lidar systems and methods are presented herein. In one embodiment, a lidar system includes a laser operable to propagate ultrashort laser pulses to a target during a plurality of scanning periods. The lidar system also includes a streak tube imaging system operable to collect returns of the ultrashort laser pulses from the target during each scanning period, and to generate a two-dimensional image of the returns during each scanning period. The lidar system also includes a processor operable to generate a representation of the target based on the 2D images from the streak tube imaging system.

Abstract: Photoelectric conversion device includes first substrate having blocks each including photoelectric converters, and second substrate having at least part of processing circuit for reading out signals from the photoelectric converters. The processing circuit drives driving signal lines for driving the photoelectric converters. The driving signal lines include first signal lines each arranged in the first substrate and commonly assigned to at least two blocks arranged in row direction of the blocks and second signal lines each individually assigned to one block of the blocks. The processing circuit includes transmission lines and selection circuits each corresponding to one second signal line of the second signal lines. Each selection circuit selects one driving signal from driving signals supplied to the transmission lines, and supplies the selected driving signal to the corresponding second signal line of the second signal lines.

Abstract: A scanning laser projector includes an optical module and projection engine. The optical module includes a laser generator outputting a laser beam, and a movable mirror scanning the laser beam across an exit window defined through the housing in a scanning pattern wider than the exit window such that the laser beam is directed through the exit window in a projection pattern that is smaller than and within the scanning pattern. A first light detector is positioned about a periphery of the exit window such that as the movable mirror scans the laser beam in the scan pattern, at a point in the scan pattern where the laser beam is scanned across an interior of the housing and not through the exit window, the laser beam impinges upon the first light detector. The projection engine adjusts driving of the movable mirror based upon output from the first light detector.

Abstract: An imaging apparatus according to an embodiment of the present disclosure includes: a plurality of pixels each including a photoelectric conversion element, and disposed in matrix on a light-receiving surface; a plurality of light-receiving lenses provided one by one for each of the plurality of pixels in the plurality of pixels; and a control section that controls exposure times of the plurality of pixels. The control section controls the exposure times of the plurality of pixels to allow exposure times of at least two of the pixels, of the plurality of pixels corresponding to each of the light-receiving lenses, to be the same, and exposure times of at least two of the pixels, of the plurality of pixels corresponding to each of the light-receiving lenses, to be different from each other.

Abstract: Noise is reduced in a solid-state image capturing element provided with an ADC for each column. An analog-to-digital converter increases or decreases an analog signal using an analog gain selected from among a plurality of analog gains, and converts the increased or decreased analog signal to a digital signal. An input switching section inputs, as the analog signal, one of a test signal having a predetermined level and a pixel signal to the analog-to-digital converter. In a case where a test signal is inputted, a correction value calculation section obtains, from the analog signal and the digital signal, a correction value for correcting an error in the selected analog gain, and outputs the correction value. A correction section, when inputted with the pixel signal after the correction value is outputted, corrects the digital signal using the correction value.

Abstract: An image sensor unit includes: a visible light cut filter that is arranged between a first light source and a first light guide and blocks light including visible light having wavelengths longer than those of ultraviolet light; a lens body that condenses light generated on a reading target by light radiated from the first light guide and light radiated from a second light guide; a line sensor that receives the light condensed by the lens body; and an ultraviolet light cut filter arranged between the lens body and the line sensor and blocks ultraviolet light.

Abstract: An image processing system, includes a processor, wherein the processor is configured to obtain image pixel data generated by an optical imaging system of a microscope, to perform deconvolution processing on the obtained image pixel data for generating deconvolved image pixel data, to perform denoising processing on the obtained image pixel data for generating denoised image pixel data, to obtain a sampling density based on which the image pixel data is generated by the optical imaging system, and to mix the deconvolved image pixel data and the denoised image pixel data for generating mixed image pixel data with a weighting dependent on the sampling density to change a ratio of the deconvolved image pixel data in relation to the denoised image pixel data when the sampling density exceeds an oversampling limit.

Abstract: Implementations of image sensor devices may include a through-silicon-via (TSV) formed in a backside of an image sensor device and extending through a material of a die to a metal landing pad. The metal landing pad may be within a contact layer. The devices may include a TSV edge seal ring surrounding a portion of the TSV in the contact layer and extending from a first surface of the contact layer into the contact layer to a depth coextensive with a depth of the TSV.

Abstract: Provided is a method for compensating light reflections from a cover of a time-of-flight camera in an image of a scene that is sensed by the time-of-flight camera. The method includes receiving the image of the scene from the time-of-flight camera. Further, the method includes modifying the image of the scene using a reference image to obtain a compensated image of the scene. Pixels of the reference image indicate reference values exclusively related to light reflections from the cover of the time-of-flight camera. Additionally, the method includes outputting the compensated image.

Abstract: An image sensor includes: a readout circuit that reads out a signal to a signal line, the signal being generated by an electric charge resulting from a photoelectric conversion; a holding circuit that holds a voltage based on an electric current from a power supply circuit; and an electric current source including a transistor having a drain part connected to the signal line and a gate part connected to the holding circuit and the drain part, the electric current source supplying the signal line with an electric current generated by the voltage held in the holding circuit.

Abstract: An electronic apparatus includes: a circuit board; a driving chip mounted on the circuit board; a shield-can including a top surface and a side surface extending in a direction from the top surface to the circuit board, wherein the top surface covers the driving chip; and a first film disposed on the shield-can and including a first opening that exposes a part of the top surface of the shield-can.

Abstract: A front-view system is disclosed. The front-view system may include: a detector configured to detect whether a forward vision of a driver is obstructed; a front camera configured to capture a front view of a vehicle and transmit an image of the captured front view of the vehicle; at least one display mounted in the vehicle; and a controller configured to receive the image of the captured front view of the vehicle from the front camera in response to receiving information indicating that the forward vision of the driver is obstructed, and display the received image of the front view of the vehicle on the at least one display. A front-view method using the front-view system is further disclosed.

Abstract: A vehicle includes a charging lid, a water droplet detector, and a controller. The charging lid is configured to cover a charging port of an inlet in an openable and closable manner. The water droplet detector is configured to detect water droplets on the vehicle. The controller is configured to release a lock of the charging lid when an access key configured to wirelessly communicate with the vehicle and provide an instruction to lock or unlock a door of the vehicle is present near the vehicle or when an unlock condition for keeping the door unlocked is satisfied. The controller is configured to, in response to the water droplet detector detecting water droplets, lock the charging lid in a closed state, regardless of whether the unlock condition is satisfied.

Abstract: A global shutter readout circuit includes a pixel enable signal and a first sample and hold (SH) signal that are configured to turn ON a pixel enable transistor and a first storage transistor at a first time during a global transfer period. The pixel enable signal is configured to begin a transition to an OFF level at a second time and complete the transition to the OFF level at a third time to turn OFF the pixel enable transistor. The first SH signal is configured to begin a transition to the OFF level at a fourth time, which occurs after the second and third times, and complete the transition to the OFF level at a fifth time to turn OFF the first storage transistor. An OFF transition duration between the fourth and fifth times is greater than an ON transition duration of the first SH signal at the first time.

Abstract: A three-dimensional printing system for solidifying a photocurable resin in a layer-by-layer manner at a build plane includes a scan module, a transparent plate, a sensor, and a controller. The scan module is configured to scan the light beam along two axes to address the build plane. The transparent plate is positioned in the optical path between the scan module and the build plane. The transparent plate has at least one reflective feature in the optical path. The sensor is mounted above the glass plate and is positioned to receive light reflected from the reflective feature. The controller is configured to operate the scan module to scan the light beam across the build plane, receive a signal from the sensor when the light beam impinges upon the reflective feature, and analyze the signal to verify a proper alignment of the light beam to the build plane.

Abstract: According to an embodiment, a radiation detector includes: a substrate; multiple control lines; multiple data lines; multiple detecting parts detecting radiation including thin film transistors; a control circuit switching between ON and OFF-states of the transistor; a signal detection circuit reading image data when the transistor is in the ON-state; and an incident radiation detecting part determining an incidence start time of the radiation based on a value of the image data read when the transistor is in the ON-state. When the incident radiation detecting part determines that radiation incidence has started, the signal detection circuit performs a first reading process of further reading image data when the transistor is in the ON-state. The control circuit performs an image storage process of setting all of the transistors to the OFF-state after the first reading process.

Abstract: A global shutter readout circuit includes a reset transistor coupled between a reset voltage and a bitline. A pixel enable transistor is coupled between the reset transistor and a source follower transistor. First and second terminals of the pixel enable transistor are coupled together in response to a pixel enable signal coupled to a third terminal of the pixel enable transistor. A first storage transistor coupled to the second terminal of the pixel enable transistor and the gate of the source follower transistor. A first storage capacitor is coupled to the first storage transistor. A second storage transistor coupled to the second terminal of the pixel enable transistor and the gate of the source follower transistor. A second storage capacitor is coupled to the second storage transistor. A row select transistor is coupled to the source follower transistor to generate an output signal from the global shutter readout circuit.