82 results about "White point" patented technology

This invention provides a testing device for cameras. Its aging mechanism includes a first aging machine, a second aging machine, and a first conveying component; its airtightness mechanism includes a first airtightness testing platform, a second conveying component, and a first robotic arm; its testing mechanism includes a first testing machine and a second testing machine; its camera mechanism includes a first camera testing machine, a second camera testing machine, and a third camera testing machine; and its unloading mechanism includes a machine base, a second robotic arm, a first lifting component, and a second lifting component. This camera testing device uses the first and second aging machines to perform aging tests on the cameras, the airtightness mechanism to perform airtightness tests, the testing mechanism to correct imaging distortion, the camera mechanism to test black-and-white points, parallel light, and image quality, and finally, the unloading mechanism unloads the cameras. This eliminates the need to distribute the cameras across multiple independent devices for testing, reducing manual operation and increasing the efficiency of camera testing.

This application provides an isolation structure and its manufacturing method. The isolation structure includes a substrate, an isolation trench, a flexible dielectric layer, and a filling layer located within the substrate. The flexible dielectric layer is made of hydroxyl-para-xylene. The filling layer covers the surface of the flexible dielectric layer and fills the isolation trench. This flexible dielectric layer can reduce cracks caused by excessive stress in subsequent thermal processes and can adapt to spatial distortion caused by the expansion of residual gas in the isolation trench through deformation under thermal conditions, reducing damage to the substrate, enhancing the electron coupling ability of the HiK material, improving the yield of devices on the substrate, and reducing dark current in devices and white spots in display images from the source. In addition, this flexible dielectric layer does not contain metal, so it will not cause metal ion contamination to the substrate. It eliminates the need for an additional isolation layer, improving the performance of devices on the substrate while simplifying device structure and processes and reducing manufacturing costs.

The application provides an automatic white balance method based on white point detection and weight fusion, comprising the following steps: S1, calibrating color temperature Planck curve: S1.1, segmenting an image to obtain image parameters; S1.2, calculating Rgain and Bgain block by block; S2, judging whether each block is a white point; if it is a non-white point, the non-white point block is removed; if it is a white point, step S5 is performed; S3, calculating the color temperature of each white point and giving a corresponding weight; S4, clustering to find locally optimal Rgain and Bgain according to the weight and the falling point; S5, iteratively finding the globally optimal awb gain value in a gradient descent manner. Through the globally optimal solution, the awb gain values calculated from the front and rear image frames of the video stream converge and remain consistent, color jumping between the front and rear frames of the video stream is not easy to occur, and the stability of the video image is better maintained.

The utility model relates to a narrow-frame shockproof display screen which solves the problem that an existing display screen is prone to generating scratches and poor white points in a micro-drop test. Comprising a rubber frame, a backlight module, a display module, an LED lamp panel and a back frame, the backlight module comprises a backlight film material and a light guide plate, the light guide plate is located in the back frame, the backlight film material is located on the light guide plate, the LED lamp panel is located on the side face of the light guide plate, the rubber frame is of an annular structure with a notch, and the back frame is provided with an inverted-U-shaped bending structure corresponding to the notch. A backlight module installation groove is formed by the inner side face of the rubber frame and the back frame, the backlight module is located in the backlight module installation groove, the LED lamp panel is located in an inverted-U-shaped bent structure, bosses are arranged on the two sides of the end, close to the LED lamp panel, of the inner side of the rubber frame, inclined faces are arranged at the ends, away from the LED lamp panel, of the bosses, and the distance between the bosses and the light guide plate ranges from 0.13 mm to 0.18 mm. The vibration amplitude of the light guide plate in the micro-drop test is reduced, so that friction between backlight materials is kept, and scratches or poor white points occurring in the micro-drop test of products are reduced.

The application discloses a light source color resolution evaluation method, device and equipment and a storage medium, and relates to the technical field of light source quality testing. The spectral power distribution of a test light source is acquired under multiple exit angles, and the bidirectional reflectance factor of a test color sample is combined to calculate three stimulus values and white point three stimulus values. The hue angle, brightness value and saturation value of each test color sample under the exit angle are calculated according to the three stimulus values and the white point three stimulus values. The comprehensive color error value of the test light source relative to a reference light source under the exit angle is obtained according to the aforementioned three parameters. The color resolution index of the test light source is obtained according to the neutral density index of the test light source and the comprehensive color error value corresponding to each exit angle. The spectral power distribution is collected under multiple exit angles, the color rendering performance of the light source in the front is considered, and the spectral output difference under different angles is also considered, so that the color rendering consistency and the directional characteristics of the light source in the spatial distribution can be comprehensively reflected.

This application provides an image processing method, electronic device, and storage medium, relating to the field of image processing. The method includes: launching a camera application in response to a first operation; displaying a first interface, the first interface including a preview area; determining the shooting scene corresponding to the image to be processed; determining a high-confidence white point corresponding to the image to be processed based on the shooting scene, the high-confidence white point being used to characterize the true light source color of the shooting environment corresponding to the image to be processed; performing white balance processing on the image to be processed using the high-confidence white point to obtain a preview image, and displaying the preview image in the preview area. This method can determine the high-confidence white point corresponding to the image to be processed under different shooting scenes, and perform white balance processing on the image to be processed based on the high-confidence white point, which can effectively improve the white balance effect, enabling the preview image obtained after white balance processing to accurately restore the true colors of the image, and significantly improving the overall image quality.

Provided are a display panel and a display device. In the display panel, first sub-pixels are configured to emit light of a first color, second sub-pixels are configured to emit light of a second color, and third sub-pixels are configured to emit light of a third color. The first sub-pixels, the second sub-pixels, and the third sub-pixels at least satisfy one of the following relationships: relationship I: the difference between the color gamut x-coordinate of the light of the second color and the color gamut x-coordinate of the light of the third color is within the range of ±0.02 of the color gamut y-coordinate of the light of the third color, and the color gamut y-coordinate of the light of the first color is not greater than the color gamut x-coordinate and / or the color gamut y-coordinate of a white point formed by synthesizing the light of the first color, the light of the second color, and the light of the third color; and relationship II: the difference between the maximum value and the minimum value of the half-peak widths of the electroluminescence spectra of the first sub-pixels, the second sub-pixels, and the third sub-pixels is less than or equal to 11 nm, and the difference between the half-peak widths of the electroluminescence spectrum and photoluminescence spectrum of each sub-pixel is less than or equal to 16 nm.

Embodiments of the disclosed subject matter provide a device having a full-color organic light emitting device (OLED) display having a plurality of pixels, with each pixel having a plurality of sub-pixels and where no individual sub-pixel of the plurality of sub-pixels emits white light. The OLED display may be configured to operate with a luminance of at least 1,000 cd / m2 at the D65 or higher white point, and using not more than a 0.5 mA / cm2 drive current for a blue sub-pixel of the plurality of sub-pixels based on an overall active area of the full-color OLED display.

This application discloses a color adaptation method and an electronic device. The electronic device has a shooting end and a display end. At the shooting end, the electronic device can capture a first original image under a first ambient color temperature, and generate and save a first image file based on the first original image. The first image file includes a first image and first metadata, which includes the first ambient color temperature, the expected white point color temperature of the first image when displayed under the first ambient color temperature, and the white point color temperature of the first image in the first image file. At the display end, the electronic device can generate and display a color-adapted first image based on a second ambient color temperature. The white point color temperature of the color-adapted first image is determined based on the aforementioned first metadata. Therefore, the electronic device can restore the image to the color temperature perceived by the human eye after color adaptation to the greatest extent possible, thereby providing users with a more realistic shooting and viewing experience.

This invention discloses an image sensor and its fabrication method, belonging to the field of semiconductor technology. The image sensor includes at least: a substrate with a first isolation structure and a second isolation structure spaced apart within it; a photodiode, spaced apart from the first isolation structure and disposed within the substrate; a transmission gate, disposed on the substrate away from the photodiode and the first isolation structure; a floating diffusion region disposed within the substrate between the transmission gate and the second isolation structure, wherein the height of the side of the second isolation structure closest to the floating diffusion region is lower than the substrate surface, and a groove is formed therein; a source follower gate, spaced apart from the transmission gate and partially covering the second isolation structure; and a sidewall structure disposed around the transmission gate and the source follower gate, wherein the distance between the side edge of the transmission gate and the edge of the floating diffusion region is greater than the distance between the side edge of the transmission gate and the edge of the sidewall structure. The image sensor and its fabrication method provided by this invention can reduce white spot phenomena and dark current during imaging.

The invention relates to the field of semiconductors, and discloses an image sensor, a manufacturing method thereof and a pixel structure.The method comprises the steps that a preprocessing substrate is obtained, and the preprocessing substrate comprises a substrate, a gate oxide layer, a graphical polycrystalline silicon layer and a graphical hard mask layer, and the gate oxide layer, the graphical polycrystalline silicon layer and the graphical hard mask layer are sequentially stacked on the surface of one side of the substrate; forming a patterned photoresist layer in a local region of the surface, deviating from the patterned polycrystalline silicon layer, of the patterned hard mask layer, performing a lightly doped drain process, and forming an ion implantation region in a transistor well region of the substrate; and sequentially removing the patterned photoresist layer and the patterned hard mask layer. The lightly-doped drain electrode process is carried out before the patterned hard mask layer is removed, due to the existence of the patterned hard mask layer, the selection range of ion implantation energy in the lightly-doped drain electrode process can be enlarged, then the electric field near the junction of the overlapped area of the grid electrode and the drain electrode can be adjusted to be minimum, the number of white points is reduced, and the imaging effect is improved.

The invention provides a display panel and a display device. In the display panel, a first sub-pixel is configured to emit a first color light, a second sub-pixel is configured to emit a second color light, and a third sub-pixel is configured to emit a third color light. The first sub-pixel, the second sub-pixel and the third sub-pixel at least meet one of the following relations: relation 1: the difference value of the color gamut abscissa of the second color light and the color gamut abscissa of the third color light is within the range of + / -0.02 of the color gamut ordinate of the third color light; the color gamut ordinate of the first color light is not greater than the color gamut abscissa and / or the color gamut ordinate of a white point synthesized by the first color light, the second color light and the third color light; the second relation is that the difference value of the maximum value and the minimum value of the half-peak width of the electroluminescence spectrum of the first sub-pixel, the second sub-pixel and the third sub-pixel is smaller than or equal to 11 nm, and the difference value of the half-peak width of the electroluminescence spectrum and the half-peak width of the photoluminescence spectrum of each sub-pixel is smaller than or equal to 16 nm.

The invention relates to the technical field of electronic equipment, in particular to a camera decorating part, a preparation method thereof and electronic equipment. The camera decorating part comprises a decorating part body and a dust collection rubber layer, the decorating part body is provided with a through hole, the inner wall of the preset hole section is used for forming a containing space for containing a camera with the camera module in a surrounding mode, and the dust collection rubber layer covers the inner wall of the preset hole section. The dust collection glue layer covers the inner wall of the preset hole section, so that the residual of tiny foreign matters such as white dots and broken filaments can be effectively prevented, the influence on the photographing function of the product is avoided, and the appearance yield of the product is ensured.

A liquid crystal display device, an image display method, an electronic device and a readable storage medium. The control circuit of the device, in a first working mode: receives display data of the mth frame of image, controls the device to display n sub-field images to obtain the mth frame of image; the display data includes initial gray scales under n primary colors; in a sub-field image of the mth frame of image: the pixel includes a target pixel, the actual gray scale of the target pixel is the average value of the intermediate gray scale and the initial gray scales of T non-target pixels; the actual gray scale of at least part of the non-target pixels is the initial gray scale thereof; the target pixel at least satisfies one of a first condition and a second condition; the first condition is: the distance between a target point reflecting the color of the target pixel and a white point in a reference color space is less than a distance threshold; the second condition is: the reference luminance of the target pixel is greater than a luminance threshold; and / or, the contrast of the target pixel is greater than a contrast threshold.

The application discloses a dye-free naked-eye recognizable nucleic acid culture detection counting method, and belongs to the technical field of digital nucleic acid culture. The method comprises the following steps: (1) adding water gel monomers acrylamide and methylene bisacrylamide into a loop-mediated isothermal amplification reaction system of a to-be-detected sample, and initiating crosslinking to form a water gel system; (2) isothermal amplification reaction; (3) after the amplification is completed, a magnesium pyrophosphate precipitate point formed in the water gel system is recognized and counted, and the concentration of target nucleic acid molecules in the to-be-detected sample is calculated. The application combines polyacrylamide water gel and digital LAMP, utilizes the adsorption flocculation capacity of PAM to control the LAMP reaction by-product magnesium pyrophosphate precipitation in the vicinity of a nucleic acid amplification group, forms a white point which has a clear color difference with a background, and the position and size of the white point are basically consistent with those of the nucleic acid amplification group, and thus the dye-free naked-eye recognizable nucleic acid culture counting effect is realized.

The application relates to a display module, a display device and a preparation method of the display module. The display module comprises a dam area, and the display module comprises a substrate, a first insulating layer and a second insulating layer. The first insulating layer is arranged on one side of the substrate, and the second insulating layer is arranged on the side, away from the substrate, of the first insulating layer. At least one first blocking opening is arranged on the first insulating layer in the dam area, and at least one second blocking opening is arranged on the second insulating layer in the dam area. The at least one second blocking opening and the at least one first blocking opening are arranged in correspondence, and the second blocking opening and the corresponding first blocking opening are communicated. By arranging the first blocking opening on the first insulating layer and the second blocking opening on the second insulating layer, and by making the first blocking opening and the second blocking opening communicated, the overflowed ink during the subsequent preparation of an MLP structure can be effectively blocked, the blocking effect of the ink overflow is improved, and the problem of the appearance white spot is solved.

Systems and methods for displaying super saturated color. Image data for display on a display or viewing device with a potential white luminance in a standard system with a maximum luminance is processed such that colors near the white point are reduced to a limited luminance. As the chroma of the displayed color is increased, a luminance attenuation is decreased. The scaling of the reduction is operable to be a linear function, a non-linear function, or any other function.

The application discloses a kind of display equipment skin color restoration perceived color difference evaluation method and system, including obtaining reference image and to be evaluated image;Obtain preset reference white point coordinate;Reference image and to be evaluated image are converted from RGB color space to YCbCr color space, and skin color region pixel is extracted according to skin color threshold value;Skin color region RGB value is converted into CIE XYZ value and CIELAB value;The difference between the brightness of two images skin color region, chroma difference, hue difference, average brightness and average hue;Based on the fitting relationship of visual color difference and the average brightness, average hue of image pair of subjective visual evaluation experimental data, determine brightness direction weight parameter, chroma direction weight parameter and hue direction weight parameter, construct skin color difference evaluation model;Color difference parameter and weight coefficient are input into model, to obtain evaluation perceived color difference value, and output skin color restoration quality evaluation result.The application can be used for display equipment skin color restoration evaluation, white balance effect evaluation and related image processing scene.

The invention discloses an integrated optical module and a processing method thereof, a reflector plate, a composite membrane and a light guide plate are attached by optical cement to form an integrated modular structure, the efficiency and the product reliability of a backlight assembly process of a display module are remarkably improved, the structure omits the assembly procedure of a plurality of separated membranes in the traditional process, the production cost is reduced, and the production efficiency is improved. Particle foreign matters introduced due to multiple times of transfer and manual operation are greatly reduced, the problems of defects such as white dots and scratches are effectively avoided, the first-pass yield of products is improved, the optical performance of the whole structure is improved, meanwhile, the mechanical stability and environmental adaptability of the module are enhanced, and the device is especially suitable for manufacturing of ultrathin display screens and has wide application prospects. And the possibility of deformation and damage of components is reduced, so that the repair cost and the material loss are reduced, and the consistency of the production efficiency and the product quality is improved.

The present application relates to a kind of electrochromic film defect analysis method and device, equipment, medium, it is related to electrochromic field, including: sample is carried out in darkroom and is marked defect by fading observation, obtain marked sample;The defect in the obtained marked sample is observed using optical microscope and determines defect category, obtain marked sample;The defect of marked sample is profiled, microanalysis, component analysis, obtains defect profile parameter, defect microtopography, defect component;The nature of defect is judged based on at least one of defect profile parameter, defect microtopography and defect component.The defect analysis method provided in the present application, by optimizing the defect analysis process for photochromic film, realize system, efficiently, accurately to the surface of electrochromic film Complex and varied macro, micro defect (such as scratch, halo point, pinhole-like white spot, white spot, blue dot, abnormal shape and color point etc.) Positioning, identification, characterization and root cause analysis.

The invention discloses a white balance correction method, device and equipment and a storage medium, and belongs to the technical field of display, and the method comprises the steps: obtaining the chromaticity coordinate of a first white point displayed by a display system, the chromaticity coordinate being determined by the proportion of the output brightness of red, green and blue channels corresponding to the first white point; predicting a characteristic curve of a red channel, a green channel and a blue channel of the display system, wherein the characteristic curve indicates a mapping relation between the input gray level and the output brightness; based on the color coordinates of the first white point, the target color coordinates and the characteristic curve, first gain values corresponding to the red channel, the green channel and the blue channel respectively are obtained; and adjusting the output brightness of the red, green and blue channels according to the first gain values respectively corresponding to the red, green and blue channels so as to correct the white balance of the display system. The method can improve the white balance correction efficiency.

A head-mounted device may have an inner display that displays images for a user and an outer display that informs nearby people of the status of the user and inner display. For example, the outer display may display an image of a face, an abstract layer, or both, depending on whether the inner display is operating in passthrough mode, mixed reality mode, or virtual reality mode. An ambient light sensor in the head-mounted device may be used to measure the brightness and color of ambient light. The white point of the face layer on the outer display may be adapted to the color of ambient light, whereas the white point of the abstract layer on the outer display may remain fixed. The white point of a display may be a correlated color temperature setting (e.g., measured in degrees Kelvin) that determines the warmth or coolness of displayed colors.

Embodiments of the disclosed subject matter provide a device having a full-color organic light emitting device (OLED) display having a plurality of pixels, with each pixel having a plurality of sub-pixels and where no individual sub-pixel of the plurality of sub-pixels emits white light. The OLED display may be configured to operate with a luminance of at least 1,000 cd / m2 at the D65 or higher white point, and using not more than a 0.5 mA / cm2 drive current for a blue sub-pixel of the plurality of sub-pixels based on an overall active area of the full-color OLED display.

The application discloses a method and a device for removing a binding hole in a scanned image, and relates to the technical field of image processing. In the method, the device removes the binding hole in the scanned image based on a preset binding hole detection model to obtain a predicted position of the binding hole. In the case that the background plate of a scanner is gray, it is determined whether the minimum value of three channel color values of a pixel point of the scanned image is greater than a preset background brightness threshold value or whether the maximum value of the three channel color values is less than a preset threshold value. If yes, the pixel point of the scanned image is determined as a white point. If no, the pixel point of the scanned image is determined as a black point. The pixel point of the scanned image is converted into a white point or a black point to obtain a binary image. The predicted position of the binding hole in the binary image is cut into a sub-image. Contour searching is performed on the sub-image to obtain a binding hole mask image. The scanned image is filled and repaired based on the binding hole mask image and the color of the background plate of the scanner to obtain a target image with the binding hole removed.

The present invention provides an image forming apparatus, a bias voltage adjustment method, and a control program that can more effectively prevent image defects such as white spots. [Solution] The image forming apparatus 10 comprises a DC setting processing unit 50 and an AC setting processing unit 51. The DC setting processing unit 50 performs DC calibration to determine the voltage value of the DC component Vdc of the development bias VB. The AC setting processing unit 51 performs AC calibration to determine the voltage value Vpp of the AC component Vac of the development bias VB. The AC setting processing unit 51 determines the voltage value Vpp based on the first voltage value if the first voltage value determined by the DC calibration is less than a predetermined upper limit voltage value VdcH, and determines the voltage value Vpp of the AC component Vac based on the upper limit voltage value VdcH if the first voltage value is equal to or greater than the upper limit voltage value VdcH.

Methods and systems are described for processing picture modes of a sink device, such as a monitor, using a source device, such as a personal computer or a gaming system. Given picture mode parameters related to picture-mode processing in an EDID of the sink device, such as brightness, saturation, and the white point, picture-mode-related processing for a sink device may be performed by the source device, thus enabling new display-related features without increasing the cost of the sink device.

The application provides an image processing method and device, electronic equipment, a chip and a storage medium, and relates to the technical field of image processing. The method comprises the following steps: in response to a shooting operation, a first shooting image is acquired; in response to the fact that a shooting scene corresponding to the first shooting image is the same as a shooting scene corresponding to a reference image, a known white point estimation result corresponding to the reference image is taken as a first target white point estimation result corresponding to the first shooting image; and the first shooting image is subjected to white balance (AWB) correction according to the first target white point estimation result, so as to obtain a first target image. Thus, in the case where the shooting scene of the first shooting image is the same as that of the reference image, the known white point estimation result corresponding to the reference image is directly taken as the final white point estimation result corresponding to the first shooting image, and it is not necessary to calculate the white point estimation result corresponding to the first shooting image in real time, so that the power consumption and the computing power of the equipment can be effectively reduced.

Systems and methods for a multi-primary color system for display. A multi-primary color system increases the number of primary colors available in a color system and color system equipment. Increasing the number of primary colors reduces metameric errors from viewer to viewer. One embodiment of the multi-primary color system includes Red, Green, Blue, Cyan, Yellow, and Magenta primaries. The systems of the present invention maintain compatibility with existing color systems and equipment and provide systems for backwards compatibility with older color systems.

Disclosed in embodiments of the present application are a chromatic adaptation method and an electronic device. The electronic device has a capture end and a display end. At the capture end, the electronic device can acquire a first raw image under a first ambient color temperature, generate a first image file on the basis of the first raw image and store the first image file, wherein the first image file comprises a first image and first metadata, and the first metadata comprises the first ambient color temperature, a desired white point color temperature of the first image displayed under the first ambient color temperature, and a white point color temperature of the first image. At the display end, the electronic device can generate, on the basis of a second ambient color temperature, the first image that has undergone chromatic adaptation adjustment, and display same, wherein the white point color temperature of the first image that has undergone chromatic adaptation adjustment is determined on the basis of the first metadata. In this way, the electronic device can reproduce, as accurately as possible, colors perceived by human eyes in environments of different color temperatures, thereby providing more realistic capture and view experience for users.

The present application relates to the technical field of computer vision, and particularly relates to an underwater non-uniform illumination image enhancement method, system, device and medium, comprising: correcting an obtained luminance channel standard image to obtain a luminance correction image by using an adaptive gamma correction algorithm and an illumination distribution map; synthesizing a color image according to the luminance correction image to obtain UV channel values of each pixel point of the color image in a YUV color space; determining a Y channel white point position in the YUV color space according to the UV channel values of all pixel points and a preset UV highlight threshold; performing white balance adjustment on each channel of the color image at the Y channel white point position to obtain an enhanced image; and performing wavelet denoising processing on the enhanced image to obtain a denoised image. The method effectively improves the quality of the underwater non-uniform illumination image, can be applied to various complex underwater scenes, and improves the reliability and stability of the enhancement effect.