253 results about "Pixel array" patented technology

The application provides an image sensor and a reading control method thereof. The image sensor comprises a pixel array and a row selection control line. The pixel array comprises a plurality of pixel units arranged in a Bayer array. Part of the pixel units in the pixel array are arranged as a pair of focus photosensitive pixel units. The output value of the focus photosensitive pixel unit in the pair of focus photosensitive pixel units is used for focus control. The row selection control line receives a control signal and controls the selection of the pixel units in the row to be read for reading out the pixel signal. The row selection control line comprises a first group of row selection control lines and a second group of row selection control lines. The pixel array comprises a focus pixel row. The first group of row selection control lines is used for controlling the non-focus photosensitive pixel units in the focus pixel row to read out the pixel signal. The second group of row selection control lines is used for controlling the pair of focus photosensitive pixel units in the focus pixel row to read out the pixel signal. The application improves the phase focus performance and also improves the frame rate of pixel processing.

The HMD comprises a head-mountable frame and an optical projection assembly supported by the frame. The optical projection assembly comprises a microdisplay supported by the frame. The microdisplay has a two-dimensional array of pixels. Each pixel contains a group of emitters configured to emit image light. The microdisplay further comprises a projection optical system configured to receive image light from each group of emitters in the array of pixels at the entrance pupil and project the focused image light from the exit pupil. The microdisplay further comprises a two-dimensional array of optical collimators positioned between the microdisplay and the projection optical system. The steerable optical collimators are further configured to redirect the emission profiles of the corresponding groups of emitters toward the center of the entrance pupil of the projection optical system.

A device for luminescent imaging includes an array of imaging pixels, a photonic structure over the array of imaging pixels, and an array of features over the photonic structure. A first feature of the array of features is over a first pixel of the array of imaging pixels, and a second feature of the array of features is over the first pixel and spatially displaced from the first feature. A first luminophore is within or over the first feature, and a second luminophore is within or over the second feature. The device includes a radiation source to generate first photons having a first characteristic at a first time, and generate second photons having a second characteristic at a second time. The first pixel selectively receives luminescence emitted by the first and second luminophores responsive to the first photons at the first time and second photons at the second time, respectively.

A display panel, a display apparatus, and an electronic device. The display panel comprises an array substrate (1) and a color filter substrate (2) which are stacked; the color filter substrate (2) comprises a color filter layer; the color filter layer is divided into a plurality of pixel units (21) that are periodically and repeatedly arranged; each pixel unit (21) comprises a red sub-pixel (211), a green sub-pixel (212), a purple sub-pixel (213), and a sky blue sub-pixel (214); the array substrate (1) is provided with first pixel driving structures corresponding to the sky blue sub-pixels (214) and second pixel driving structures corresponding to the purple sub-pixels (213); the first pixel driving structures are used for controlling the brightness of light in a first target band transmitted by the sky blue sub-pixels (214); and the second pixel driving structures are used for controlling the brightness of light in a second target band transmitted by the purple sub-pixels (213).

An electronic device may include display and touch sensor circuitry. The display circuitry may include gate driver circuitry that provides anode reset control signals to display pixels. If desired, the gate driver circuitry may include per-row gate drivers and per-row pull-down circuits in an interlaced configuration on opposing sides of the display pixel array. If desired, the gate driver circuitry may include gate drivers configured with dynamic knee voltage control on their driver outputs.

Systems and methods are disclosed herein for adjusting a demura configuration in a display. In an example system, input pixel data is analyzed to determine pixel data characteristics. The input pixel data is received from a display controller of a computing device, such as a computing device coupled to the display. Contextual data corresponding to a generation of the input pixel data is analyzed. A demura mode is determined for the input pixel data based on the pixel data characteristics and the contextual data. Elements of a pixel array of a light emitting diode (LED) display are energized based on the demura mode and the input pixel data. In this manner, a demura correction can be dynamically controlled in a display, leading to various improvements such a reduced processing and power consumption.

The present disclosure provides a display substrate, a display apparatus and a manufacturing method of a display substrate, including a base substrate; a plurality of sub-pixels are arranged in array on the base substrate, where at least one of the sub-pixels includes at least two light-emitting regions, and light-emitting regions of different sub-pixels are arranged in isolation in the first direction and the second direction, the first direction is an anti-peeping direction, and the second direction is perpendicular to the first direction; and a plurality of light-shielding structures arranged at a light-emitting side of the plurality of sub-pixels, where an orthographic projection of the light-shielding structure on the base substrate extends in the second direction between adjacent light-emitting regions, and the orthographic projection of the light-shielding structure on the base substrate and a corresponding light-emitting region have a first distance in the first direction.

This disclosure provides an image display method, an image display device, and a display system. The image display method is applied to a display driver chip and includes: for a frame of image data divided into multiple bit planes, storing at least one bit plane in at least one first pixel storage unit of a pixel array in order from the highest weight bit to the lowest weight bit, each first pixel storage unit being used to store one bit plane; storing other bit planes from the multiple bit planes, except those stored in the first pixel storage units, in multiple block caches divided into a frame buffer, each block cache being used to store multiple rows of data in the other bit planes; loading the other bit planes from the multiple block caches via a line cache to a selected second pixel storage unit in the pixel array, and loading the bit planes stored in the first pixel storage unit to the selected second pixel storage unit in the pixel array; and driving a light-emitting unit to display image data through the data in the second pixel storage unit.

The present disclosure relates to an intraoral scanning system configured to determine a three-dimensional surface model and a plurality of focus images. The intraoral scanning system comprises: a projector unit configured to emit light onto a dental object, wherein the emitted light comprises an infrared wavelength and a structured light, the structured light comprising a first visible wavelength; a first image sensor unit comprising: a first image sensor configured to acquire first reflected light from the dental object, wherein the first reflected light comprises the infrared wavelength, and wherein the first image sensor comprises a pixel array, a microlens array arranged in front of the pixel array and configured to transmit the first reflected light to the pixel array, wherein one or more microlenses of the microlens array direct the first reflected light to one or more pixels of the pixel array; a second image sensor unit comprising: a second image sensor configured to acquire second reflected light from the dental object, wherein the second reflected light comprises the structured light; a processor unit configured to: determine three-dimensional (3D) data of the dental object based on the second reflected light, determine a three-dimensional (3D) surface model of the dental object by merging the 3D data, and determine a plurality of focus images at different focus depths into the dental object by selecting a set of pixels from the pixel array associated with each microlens of the microlens array, and wherein the processor unit is configured to align a position of each focus image of the plurality of focus images to a position in the 3D surface model based on the 3D data.

The embodiment of the present application provides a projection device and method, the projection device comprises: a pixel array arranged on a substrate, the pixel array has a light emitting characteristic; a cantilever beam arranged on the substrate, used for fixing a micro-electro-mechanical system (MEMS) mirror piece, the cantilever beam is arranged outside the pixel array, the MEMS mirror piece is used for scanning the pixel array, the cantilever beam and the MEMS mirror piece constitute a MEMS mirror; a driver in communication with the pixel array and the MEMS mirror piece, used for driving the pixel array with the light emitting characteristic to develop color; the driver is also used for controlling the MEMS mirror piece to rotate on the cantilever beam to scan the pixel array to obtain a projection image. The present application can make a small volume projection device provide a projection image with higher resolution, and realize the purpose of optimizing volume and improving resolution.

A color correction method for filter-less pixels is disclosed. In one embodiment, an image sensor, having a pixel array, includes a plurality of filter-less pixels. Each pixel of the plurality of filter-less pixels includes a blue light region, a green light region, and a red light region. Incoming light successively passes through the blue, green and red light regions, and a readout circuitry, configured to receive color signal outputs comprising blue region signals from the blue light region, green region signals from the green light region, .red region signals the red light region, and correct color signal outputs with a correction algorithm, including a blue light correction algorithm, a red light correction algorithm, and a green light correction algorithm, The method is configured to output corrected color signals provided by the correction algorithm.

The present disclosure provides an image display method, an image display device and a display system, and relates to the technical field of display, wherein the image display method comprises: for a plurality of bit planes divided from one frame of image data, storing the plurality of bit planes into a plurality of block buffers divided from a frame buffer, each block buffer is used for storing a plurality of lines of data in each bit plane, and the plurality of block buffers are used for storing all bit planes divided from one frame of image data; splitting the bit planes stored in the block buffer into subfields, and taking one subfield or a plurality of continuous subfields of the bit planes as one subfield group; inserting the subfield group of one bit plane between the subfield groups of other bit planes except the bit plane, to obtain a plurality of subfield groups to be refreshed; loading the to-be-refreshed bit planes corresponding to the plurality of subfield groups to be refreshed from the plurality of block buffers to a pixel array via a plurality of line buffers, and displaying the image data by a data driving light emitting unit in the pixel array.

This application provides an image signal sensor and its image generation method and apparatus. By simultaneously setting high-sensitivity mode pixels and low-sensitivity mode pixels in a pixel array, and enabling them to acquire both types of electrical signals within a single acquisition cycle, it solves the problem in existing technologies that cannot simultaneously achieve the advantages of high and low sensitivity within the same cycle. High-sensitivity mode pixels can respond to weak signals, achieving high-precision acquisition within a narrow response range, while low-sensitivity mode pixels can respond to strong signals, expanding the signal response range. This design allows for the effective acquisition of both subtle and high-intensity signals without mode switching, avoiding response delay, improving acquisition efficiency, and thus significantly enhancing image quality.

The present disclosure provides a display panel and a display device. The display panel includes pixels arranged in an array, a row direction of the array being a first direction, each of the pixels including a first sub-pixel, a second sub-pixel and a third sub-pixel, and the first sub-pixel, the second sub-pixel and the third sub-pixel being arranged in intervals along a second direction in sequence, where the first direction and the second direction have an angle therebetween, the angle being non-zero; a first pixel among the pixels and a second pixel among the pixels and neighboring the first pixel in the first direction or the second direction share one or two sub-pixels to form a multiplexed pixel, and an arrangement of the first sub-pixel, the second sub-pixel and the third sub-pixel of the multiplexed pixel is different from that of the second pixel.

An image sensor includes a pixel array and a color filter array covering the pixel array, where the color filter array includes a plurality of color filter elements, the plurality of color filter elements include at least one first color filter element and at least one second color filter element, each first color filter element includes a basic color filter and an extended color filter, and each second color filter element includes a plurality of basic color filters. A color of the extended color filter is different from a color of the basic color filter. An optical signal passing through the basic color filter is at least for imaging, and an optical signal passing through the extended color filter is for spectral measurement.

The utility model discloses a kind of micro display devices with cathode wiring area, it is related to semiconductor technical field.The micro display device, including: drive wafer, the surface of the drive wafer includes pixel array AA area, each pixel area in the pixel array AA area includes: mutually insulated anode contact and cathode wiring area, and cathode wiring area between adjacent pixel area is linked;Display module, the display module is located on the drive wafer, the display module includes respectively corresponding light-emitting unit with each pixel area, the light-emitting unit and anode contact in corresponding pixel area are communicated, and bottom and cathode wiring area in corresponding pixel area are not contacted;Wherein, the top of cathode wiring area of each described pixel area, the top of the light-emitting unit is covered with continuous common cathode layer.Based on the above scheme, light-emitting unit and cathode metal mesh grid can be prevented from competing for horizontal space, and optical enhancement and electrical enhancement can be maximized.

Complementary metal-oxide-semiconductor (CMOS) image sensor, comprising: i) a bias junction consisting of a first semiconductor material type and electrically coupled to a voltage source to apply a reverse bias of opposite polarity to a polarity of the first semiconductor material type to the bias junction; ii) a pixel in a pixel array, comprising: a photosensitive element, a first well consisting of a second semiconductor material type, and a second well consisting of the first semiconductor material type, and active CMOS elements used for at least one of 1) reading and 2) resetting the image data acquired by the photosensitive element; and iii) an implanted, buried layer consisting of the second semiconductor material type, extending over a region representing the pixel array below the second well consisting of the first semiconductor material type;wherein the implanted, buried layer, which consists of the second semiconductor material type, is arranged to interact with the blocking bias applied by the voltage source to the bias junction to reduce a parasitic current path between the second well, which consists of the first semiconductor material type and is used by the active CMOS elements, and a substrate, resulting in more uniform pixel-to-pixel performance in an image sensor with two or more pixels.

A method of fingerprint verification includes capturing a fingerprint image by an image sensing device. The image sensing device including a pixel array of a combination of sensing pixels configured to capture minutia points in the fingerprint image and positioning pixels configured to provide positioning codes. The method further includes calculating vectors of the minutia points with reference to the positioning codes, comparing the vectors to reference vectors generated from a reference fingerprint image, and determining a match between the fingerprint image and the reference fingerprint image based on the comparing of the vectors.

This application provides a testing method, viewpoint allocation method, and apparatus for a glasses-free stereoscopic display device. The testing method includes: dividing the pixel array of the glasses-free stereoscopic display device into multiple partitions; during the rotation of the glasses-free stereoscopic display device relative to a brightness acquisition device, at each rotation angle, illuminating multiple sub-pixels of each partition along a preset direction, illuminating at least one group of sub-pixels in each partition at a time; a sub-pixel group includes at least one sub-pixel; and recording the brightness of each illuminated sub-pixel at each rotation angle using the brightness acquisition device for viewpoint allocation of the glasses-free stereoscopic display device. By testing a few sub-pixels in a partition, viewpoint allocation of the entire pixel array is achieved, improving the efficiency of testing and viewpoint allocation.

The present disclosure relates to a light detection device and an electronic apparatus that make it possible to improve autofocus performance. Provided is a light detection device comprising a pixel array unit in which a plurality of pixels, including a pixel in which a plurality of photoelectric conversion units are formed with respect to one microlens, are arranged in a two-dimensional array. In the pixel, the plurality of photoelectric conversion units are isolated in a first direction and / or a second direction different from the first direction in plan view. The isolation performance in the first direction is lower than the isolation performance in the second direction. The present disclosure is applicable to, for example, a solid-state imaging device such as a CMOS image sensor.

A display device includes: a display panel including a display area in which a pixel array layer is disposed, a fixed area adjacent to the display area, a bendable area adjacent to the fixed area and bent at a predetermined curvature, and a pad area adjacent to the bendable area and disposed under the fixed area; and a driving chip disposed in the pad area of the display panel. The display panel includes a first glass substrate disposed in the display area and the fixed area, and a second glass substrate disposed in the pad area. The first glass substrate includes a first portion disposed in the display area and a second portion disposed in the fixing area. At least one of the second portion of the first glass substrate and the second glass substrate has a smaller thickness than the first portion of the first glass substrate.

The present disclosure provides an image display method, an image display device and a display system, wherein the image display method is applied to a display driving chip, the display driving chip comprises a frame buffer and a scanning module, the scanning module comprises a plurality of row selection lines and two column sequencers, and the image display method comprises: for a plurality of bit planes divided from a frame of image data, storing the plurality of bit planes into a first buffer and a second buffer which are averagely divided from the frame buffer respectively; writing the bit planes in the first buffer into the first column sequencer, and simultaneously and in parallel writing the bit planes in the second buffer into the second column sequencer; loading the data in the first column sequencer into the pixel SRAMs of the selected pass rows in the first array of a pixel array by using the first row selection line, and simultaneously and in parallel loading the data in the second column sequencer into the pixel SRAMs of the selected pass rows in the second array of the pixel array by using the second row selection line, and displaying the image data by driving the light emitting units in the pixel SRAMs.

An electronic device, comprising circuitry configured to determine Time-of-Flight histogram data from raw data obtained by a Time-of-Flight pixel array; generate, based on spot coordinates of spots received by the Time-of-Flight pixel array, a dot mask, the dot mask being indicative of dot pixels; select, based on the dot mask, one or more dot pixels; select, based on the dot mask and based on a predetermined set of coordinates on the Time-of Flight pixel array, one or more valley pixels, and calculate one or more residual histograms by subtracting one or more valley histograms, generated by the valley pixels, from one or more dot histograms, generated by the dot pixels; and generate depth information based on the one or more residual histograms.

This application relates to the field of optoelectronic imaging technology, specifically to an image sensor, imaging device, and imaging method. The image sensor includes a pixel array, which comprises multiple functional units arranged in an array. Each functional unit includes at least two pixel sub-units. Each pixel sub-unit includes at least two polarization pixels and at least one spectral pixel. The spectral pixel includes a first photosensitive pixel layer and a narrowband filter layer. In each functional unit, the narrowband filter layer of the spectral pixel corresponding to the at least two pixel sub-units has a different center wavelength. This application enables efficient acquisition of polarization and spectral information through a single exposure and effectively reduces device size and manufacturing costs.

The present application provides a kind of image sensor with black level compensation function, comprising: for generating analog image signal pixel main array;Active pixel array in the pixel main array, imaging lens focuses incident light on the active pixel array;Four corner pixel subarrays, each corner pixel subarray is located in one of the four corners of the active pixel array, opaque shield is above its photodiode to prevent the generation of charge related to incident light, these corner pixel subarrays provide black level compensation analog image signal;Analog-to-digital converter circuit and black level compensation circuit, black level compensation circuit compensates the black level variation between the pixels of the active pixel array by algorithm.The present application adopts black level compensation method to solve the image shadow of image sensor caused by various factors.The present application also provides an image sensor black level compensation method.

This invention provides a row driving circuit and its application. The row driving circuit is used to drive the row circuit in a pixel array. The row driving circuit includes: a level shifter that receives a row strobe enable signal and outputs a first control signal and a second control signal, wherein the first control signal and the row strobe enable signal are in phase, and the second control signal and the first control signal are out of phase; and a plurality of signal output modules electrically connected to the output terminal of the level shifter and the driving terminal of the row circuit. The input terminal of the signal output module receives the first control signal, the second control signal, and a device preset signal. When the first control signal is high, the output signal of the signal output module is out of phase with the device preset signal. When the first control signal is low, the output signal of the signal output module is a low-level signal.

The application provides an image sensor and an imaging device. The image sensor comprises a microlens array, a color filter array and a photosensitive pixel array. The microlens array comprises a plurality of first lens units and at least one second lens unit. The color filter array comprises a plurality of first color filter units and at least one second color filter unit. The transmittance of the first color filter units is different from that of the second color filter units. The first lens units are arranged correspondingly to the first color filter units, and the second lens units are arranged correspondingly to the second color filter units. The photosensitive pixel array comprises a plurality of pixel units. The first color filter units cover at least one pixel unit, and the second color filter units cover at least one pixel unit. Light signals passing through the first lens units and the first color filter units form first electric signals. Light signals passing through the second lens units and the second color filter units are used to form at least second electric signals. An image signal is formed based on the first electric signals and the second electric signals.

Bitline cut image sensors with ASIC clamping are disclosed. In some embodiments, an imaging system includes a pixel array and a replica voltage reference generation circuit. The pixel array can include a plurality of pixel circuits, select ones of the pixel circuits each including a row select transistor and a source follower transistor coupled between a supply voltage and the row select transistor. The replica voltage reference generation circuit can have an input coupled to the row select transistor. The replica voltage reference generation circuit can be configured to receive a voltage at the input and generate a clamp voltage that follows the voltage received at the input for each of one or more bitlines coupled to one or more outputs of the replica voltage reference generation circuit.

An X-ray imaging device comprising: a pixel unit composed of M pixel arrays, each with N pixel segments (where N and M are integers of two or more); M circuit units; and a control unit. Each circuit unit comprises: T (where T is an integer of N or more) adders for sequentially summing electrical signals corresponding to the output signals of the N pixel segments; and a switch for changing the connection state between the N pixel segments and the T adders. The control unit changes the connection state in sync with the displacement of an object in a first direction, so that the electrical signals corresponding to the output signals of the pixel segments, generated by the detection of an X-ray that has passed through the same region of the object, are summed in the same adder.

An image sensor includes a pixel array that includes a plurality of pixels that accumulate charge in response to incident radiation, sense regions, transfer transistors operatively connected between the pixels and the sense regions, and pixel readout circuits, wherein each pixel readout circuit is operatively connected to a different one of the sense regions. The pixel readout circuits output pixel signals on signal lines, wherein a voltage of a pixel signal is a function of charge stored in the sense region which is operatively connected to the pixel readout circuit. A sensor controller controls the transfer transistors and the pixel readout circuits to output, at a low first frame rate, a first sequence of pixel signals to the signal lines based on a first set of the pixels and, at a high second frame rate, a second sequence of pixel signals to the signal lines based on a predefined second set of the pixels, wherein a readout of the second set of the pixels is controlled to provide less pixel signals for further processing than a readout of the first set of the pixels.