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26 results about "Colour filter array" patented technology

CMOS image sensor and method for making the same

PendingUS20260068341A1CMOSComputational physics
A CMOS image sensor includes a unit pixel array including a photodiode array, a color filter array, a micro-lens array, and a grid isolation structure laterally separating adjacent color filters. The grid isolation structure includes a first low-n grid, a second low-n grid underlying the first low-n grid, and a metal grid within the second low-n grid, the first low-n grid being narrower than the second low-n grid. The color filter array includes color filter matrixes, all color filter matrixes have the same arrangement pattern. Sizes of color filters in each color filter matrix vary depending on locations of the color filters in the color filter matrix. In an edge portion, a distance between a center of a color filter matrix and a center of a corresponding unit pixel matrix in plan view varies depending on a location of the unit pixel matrix in the CMOS image sensor.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

System and method for multispectral extraction from crosstalk profile

ActiveUS12666167B2Spectral bandsEngineering
An electronic device includes: memory; a color filter array (CFA); an image sensor operatively connected to the CFA, the image sensor being configured to capture a plurality of images respectively having a plurality of measured spectral densities in a plurality of spectral bands; and a processor operatively connected to the at least one memory and the image sensor, wherein the at least one processor is configured to: measure a plurality of crosstalk values in a plurality of pixels and in a plurality of K channels of the plurality of images (the K represents a number of pixels per a color of the CFA), estimate a plurality of spectral-crosstalk values by applying an estimation function to the plurality of crosstalk values, and control to store, in at least one of the memory, the image sensor, or the processor, the estimated plurality of spectral-crosstalk values.
Owner:SAMSUNG ELECTRONICS CO LTD

High-dynamic range imaging using partial polarisation mask

ActiveUS12641346B2High-dynamic-range imagingOptical polarization
Disclosed is an imaging system with an image sensor and processor(s). The image sensor has a plurality of photo-sensitive cells arranged on a photo-sensitive surface of the image sensor; a colour filter array with colour filters of at least three different colours; and a polarisation mask with polarisation filters arranged on an optical path of at most a first predefined percent of the colour filters. The processor(s) is / are configured to: read out image data from the image sensor; and process the image data to generate at least one of: a full-resolution colour image, a full-resolution polarisation image, a high-dynamic range (HDR) image.
Owner:VARJO TECH OY

Electrophoretic display device

An electrophoretic display device includes a pixel structure and a color filter array. In the pixel structure, an area of a blue pixel electrode is less than an area of a red pixel electrode, and the area of the blue pixel electrode is less than an area of a green pixel electrode. In the color filter array, areas of red, green, and blue filter units are all substantially the same and the red, green, and blue filter units are overlapped with the red, green, and blue pixel electrodes respectively. A ratio of the area of the red filter unit to the area of the red pixel electrode is RFF; a ratio of the area of the green filter unit to the area of the green pixel electrode is GFF; a ratio of the area of the blue filter unit to the area of the blue pixel electrode is BFF, and BFF>RFF≥GFF.
Owner:E INK HLDG INC

Image sensor, image data obtaining method, and imaging device

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.
Owner:HUAWEI TECH CO LTD

Simultaneous subsampling and high dynamic range imaging in colour filter arrays

PendingUS20260143250A1Pattern recognitionHigh-dynamic-range imaging
Image data from an image sensor is read out, wherein when reading out, processor(s) is / are configured to employ subsampling. The image data is processed, using neural network(s), to generate an image.
Owner:VARJO TECH OY

Synthetic data generation for machine learning-based post-processing

A method includes obtaining a ground truth image and generating multiple image frames using the ground truth image, a modeled optical blur, and a modeled global motion. The method also includes generating multiple mosaic image frames using the image frames and a color filter array and generating multiple raw input image frames using the mosaic image frames and a noise model associated with at least one imaging sensor. The method further includes providing the raw input image frames to a multi-frame processing pipeline in order to generate synthetic training data. In addition, the method includes training a machine learning-based image processing engine using the ground truth image and the synthetic training data.
Owner:SAMSUNG ELECTRONICS CO LTD

Color filter array and color electrophoretic display having the same

The color filter array includes multiple first color resist, multiple second color resists, and second color resists third color resists. The first color resist have a first color. The second color resists have a second color different from the first color. The third color resists have a third color different from the first color and second color. A reflectance of the third color resists is greater than a reflectance of the first color resists and a reflectance of the second color resists, the first color resists are continuously arranged along a first diagonal direction and a second diagonal direction, and the third color resists are not arranged along the second diagonal direction continuously.
Owner:E INK HLDG INC

Image sensor

An image sensor includes a pixel division structure, a light sensing element, a planarization layer, a color filter array layer, and a microlens. The pixel division structure extends through a substrate in a vertical direction, and defines unit pixel regions where unit pixels are formed. The light sensing element is in each unit pixel region. The planarization layer is on the substrate. The color filter array layer including color filters is on the planarization layer. The microlens is on the color filter array layer. The pixel division structure includes a core extending in the vertical direction and a lateral pattern structure on a sidewall thereof. The lateral pattern structure includes a first lateral pattern on a sidewall of a lower portion of the core, an air spacer on the first lateral pattern, and a second lateral pattern on outer sidewalls of the first lateral pattern and the air spacer.
Owner:SAMSUNG ELECTRONICS CO LTD

Image signal processing with an RGBW color filter array

An image processing method is provided. The image processing method is applied to an image signal processor. The image processing method includes the stages detailed in the following paragraph. Binned-Bayer raw data and binned-white raw data are received from an image sensor with an RGBW color filter array. The binned-Bayer raw data include information of red, green, and blue channels for a plurality of pixels. The binned-white raw data include luminance information for the pixels. The pixels are rendered based on both the binned-Bayer raw data and the binned-white raw data.
Owner:MEDIATEK INC

Method and processor for image data processing utilizing full pixel information of same color

A method of processing image data includes: receiving image data from a color filter array including N×N same color pixels; converting first pixel data in an N×N array into second pixel data in an (N−L)×(N−M) array, wherein the first pixel data is output from the N×N same color pixels; and generating third pixel data in the N×N array by performing reconstruction on the second pixel data, wherein each of “L” and “M” is a natural number that is greater than or equal to 1 and less than N, and “N” is a natural number that is greater than or equal to 2.
Owner:SAMSUNG ELECTRONICS CO LTD

High resolution thin multi-aperture imaging systems

A multi-aperture imaging system comprising a first camera with a first sensor that captures a first image and a second camera with a second sensor that captures a second image, the two cameras having either identical or different FOVs. The first sensor may have a standard color filter array (CFA) covering one sensor section and a non-standard color CFA covering another. The second sensor may have either Clear or standard CFA covered sections. Either image may be chosen to be a primary or an auxiliary image, based on a zoom factor. An output image with a point of view determined by the primary image is obtained by registering the auxiliary image to the primary image.
Owner:COREPHOTONICS

Hallucinating colour filter array on image sensor chip

An imaging system has an image sensor chip and processor(s). The image sensor chip has a photo-sensitive surface with photo-sensitive cells; a colour filter array with physical smallest repeating units, wherein a given physical smallest repeating unit has array(s) of a first type of colour filters, array(s) of a second type of colour filters, and array(s) of a third type of colour filters; and a controller configured to employ neural network(s) during read out of image data. The processor(s) is / are configured to: receive output image data, wherein a smallest repeating unit in a colour pattern of at least a part of the output image data is different from the given physical smallest repeating unit; and generate an output image.
Owner:VARJO TECH OY

Image sensor device

One embodiment of the present invention provides an image sensor device. The image sensor device includes a plurality of photoelectric converters, a color filter array, and a plurality of lenses. The color filter array is configured to be disposed on a plurality of photoelectric converters. The plurality of lenses is configured to be disposed on the color filter array. The plurality of lenses includes a first type lens and a second type lens. The second size of the second-type lens is greater than the first size of the first-type lens.
Owner:MEDIATEK INC

Image sensor

This disclosure provides an image sensor including two first color filters corresponding to a first wavelength band, a second color filter corresponding to a second wavelength band, and a third color filter corresponding to a third wavelength band arranged in a color filter array; and a plurality of nano-light pillars above the color filter array. The nano-light pillars include two first nano-light pillars within each first color filter, two second nano-light pillars and a third nano-light pillar on each boundary line between the first color filters and the second color filter, four fourth nano-light pillars within the second color filter, and a fifth nano-light pillar within the third color filter. The dimensions of the fourth nano-light pillars and the fifth nano-light pillar are larger than dimensions of the first nano-light pillars, the second nano-light pillars, and the third nano-light pillar.
Owner:VISERA TECH CO LTD

Color filter array and color electrophoretic display having a color filter array

A color filter array and a color electrophoretic display having the color filter array, the color filter array comprising a first color filter, a second color filter, and a third color filter, each having a different first color, a second color, and a third color. The first color filter comprises a plurality of blocks. The second color filter comprises a plurality of blocks. The third color filter comprises a plurality of blocks. In a top view, the blocks of the first color filter collectively form a continuous S-shaped arrangement, the blocks of the second color filter collectively form a continuous S-shaped arrangement, and the blocks of the third color filter collectively form a continuous S-shaped arrangement. The color filter array of the present disclosure can maintain the size of the color gamut range and the color white balance of the display. By dividing the color filter into a plurality of continuous but non-overlapping blocks, the overall brightness of the display picture can be improved, and the probability of the display picture having a pattern that can be recognized by the human eye can be reduced. The S-shaped pattern arrangement can also be considered as a simulation of the real paper fiber pattern.
Owner:TRANSCEND OPTRONICS (YANGZHOU) CO LTD

Manufacturing method of image sensor package

PendingUS20260182052A1Computer hardwareMicro lens array
An image sensor package may include a chip region, a residual scribe lane region surrounding the chip region, an image sensor chip including a first chip portion in the chip region and a first residual scribe lane portion in the residual scribe lane region, a logic chip disposed under the image sensor chip and including a second chip portion in the chip region and a second residual scribe lane portion in the residual scribe lane region, a transparent substrate disposed over the image sensor chip, a dam disposed between the image sensor chip and the transparent substrate, and the dam covering an upper surface of the first residual scribe lane portion and a portion of an upper surface of the first chip portion adjacent to the first residual scribe lane portion. The first chip portion includes a color filter array and a micro lens array on the color filter array.
Owner:SAMSUNG ELECTRONICS CO LTD

Semiconductor device for performing light-based computation and operation method of semiconductor device

ActiveUS12671913B2Digital dataDevice material
A semiconductor device may include a color filter array, an optical synapse array including a plurality of light passage paths transferring light incident through the color filter array with independently controlled transmissivities, and an optical-to-digital conversion circuit converting the transferred light through the plurality of light passage paths into digital data.
Owner:SK HYNIX INC

Method for processing RGBIR multi-frame HDR with luma

A Method for processing RGBIR (Red Green Blue Infrared) multi-frame HDR (High Dynamic Range) with luma includes capturing a plurality of RGBIR raw images with different exposure times by at least one camera, generating a plurality of luma images using a color filter array luma (CFAL) filter according to the plurality of RGBIR raw images, performing IR color correction to generate a plurality of corrected RGBIR raw images according to the RGBIR raw images, performing HDR fusion to generate a HDR RGBIR raw image according to the plurality of luma images and the plurality of corrected RGBIR raw images, generating gradients according to the HDR RGBIR raw image and the plurality of luma images, and performing interpolation to generate a result image according to at least the gradients and the HDR RGBIR raw image.
Owner:ICATCH TECH INC

Image sensors and camera modules including the same

An image sensor includes a pixel array, a color filter array including a plurality of color filters arranged in a matrix on the pixel array, and a micro lens array arranged on the color filter array. The plurality of color filters are divided into a plurality of groups that each include nine color filters arranged in three rows and three columns. A plurality of first color filters among the nine color filters included in each group of the plurality of groups face one another in a diagonal direction, and a plurality of second color filters among the nine color filters included in each group of the plurality of groups respectively include identical color filters corresponding to a corresponding group of the plurality of groups.
Owner:SAMSUNG ELECTRONICS CO LTD

Color electrophoretic display

The color electrophoretic display includes a display region, a pixel array, a display medium layer, and a color filter array. The display region includes multiple sub-pixel regions. The pixel array corresponds to the display region in position. The display medium layer is located on the pixel array. The color filter array is located on the display medium layer. The color filter array includes multiple color resists. A portion of the color resists include a first pixel fill factor, another portion of the color resists include a second pixel fill factor, the second pixel fill factor is smaller than the first pixel fill factor, and the first pixel fill factor and the second pixel fill factor are smaller than 60%.
Owner:E INK HLDG INC

Color filter on array with integrated black matrix for high-PPI LCD

The disclosed liquid crystal display (LCD) backplane may include a bottom substrate dimensioned to display an array of pixels. The LCD backplane may also include a color filter array (COA) coupled to a top of the bottom substrate such that the COA enables a filtering of colors for the array of pixels. Additionally, the LCD backplane may include one or more black matrices coupled to the COA to partition sub-pixels of the array of pixels, wherein a black matrix is dimensioned as a spacer electrically connecting a layer on a proximal side of the COA and a layer on a distal side of the COA. Various other apparatuses, systems, and methods of manufacturing are also disclosed.
Owner:META PLATFORMS TECHNOLOGIES LLC

Simultaneous subsampling and high dynamic range imaging in colour filter arrays

ActiveUS12627904B2High-dynamic-range imagingComputer graphics (images)
Image data from an image sensor (102, 202, 302, 402) is read out, wherein when reading out, processor(s) (104, 204, 304, 404) is / are configured to employ subsampling. The image data is processed, using neural network(s), to generate an image.
Owner:VARJO TECH OY

Display with three regions of color space

A pixelated color display where the emission corresponds to a color space comprised of three regions: an outer boundary of the entire color space which is defined by the most saturated colors; an inner region formed by less saturated colors which is defined by an inner region boundary; and between the inner region boundary and the outer boundary, an intermediate region where at least one color is approximated by dithering between a most saturated color and a less saturated color. The dithering can be color spatial, temporal, or physical spatial dithering or combinations thereof. The display is an OLED, preferably a multimodal (white light-emitting) microcavity with a color filter array and can have 3 or more stacks of light-emitting units. The color dithering in the intermediate region allows for generation of colors that cannot be emitted directly by the display.
Owner:OLEDWORKS LLC

Image sensor for a camera device

Provided is an image sensor including a light sensing element, a planarization layer disposed on the light sensing element, a color filter array layer disposed on the planarization layer, the color filter array layer including color filters, and a microlens disposed on the color filter array layer, wherein the color filters include a green filter, a blue filter and a red filter, and wherein a refractive index of the green filter is greater than 1.7 for a green light wavelength range of 500 nm to 570 nm.
Owner:SAMSUNG ELECTRONICS CO LTD