249 results about "Pixel density" patented technology

The invention relates to the technical field of computer vision, in particular to a defect segmentation positioning method and system for an inorganic mineral casting image, and the method comprises the following steps: calling an illumination image to analyze brightness, matching exposure parameters, splicing the image, analyzing a gradient, recognizing a defect, screening an effective region, calculating a gray variance, and constructing roughness weight recognition texture features. According to the method, the high-reflection area identification, the brightness gradient analysis, the pixel-level roughness weight and the structure tensor analysis are combined, the exposure interval can be dynamically adjusted when the casting image is processed, the defect type information is output in the direction, and the positioning information is generated by correcting the recognition position in combination with the actual coordinate of the target spot. The method has the advantages that the high-reflection area identification, the brightness gradient analysis, the pixel-level roughness weight and the structure tensor analysis are combined; the method has the advantages that the method is simple and easy to implement, detail loss of overexposure areas is reduced, the recognition precision of defect areas is improved, accurate area segmentation and classification processing are achieved, roughness weight calculation combining gray variance and pixel density is combined, the sensitivity to surface fine defects is enhanced, and the precision and reliability of defect positioning are improved.

A display screen includes a first display area, which is provided with a first pixel unit array, and a second display area, which is provided with a second pixel unit array, wherein the pixel density of the first display area is less than that of the second display area, the first display area includes a first sub-area and a second sub-area, and the second sub-area is connected to the first sub-area and the second display area; and the display screen further includes a pixel driving unit array, which is arranged in the second sub-area, wherein each pixel driving unit respectively drives each first pixel unit, a first number of rows of pixel driving units are arranged corresponding to a second number of rows of first pixel units in a row extension direction, and the first number is greater than the second number. Also disclosed is an electronic device.

Detailed camera systems and methods achieve rich light field sampling within limited cost and power constraints. Exemplary arrangements include designs for heterogeneous array cameras, including multifocal arrays, arrays matching depth of field to have uniform pixel density, array-aware focus, exposure and frame rate control, multispectral arrays, and multiscale arrays. One embodiment incorporates lens assemblies of two different types: a first type in which all lens elements move under control of a focus actuator, and a second type in which only some of the lens elements move under control of a focus actuator—the others are stationary. A great number of other features and arrangements are also detailed.

The present disclosure relates to a display substrate, a display panel, a display device, and a manufacturing method of the display panel. The display substrate display substrate includes a display area, the display area including: a plurality of sides, wherein adjacent sides of the plurality of sides intersect to form a plurality of corners; a first display area having a first pixel density; and a second display area having a second pixel density lower than the first pixel density, wherein the second display area is located in at least one of the corners.

The utility model relates to the field of Micro-LED display, in particular to a vertically stacked three-color full-color Micro-LED structure, which is characterized in that the vertically stacked three-color full-color Micro-LED structure comprises a driving circuit, a first chip, a second chip and a third chip are sequentially arranged on one side of the length direction of the driving circuit from top to bottom, and the first chip, the second chip and the third chip are arranged on the other side of the length direction of the driving circuit. The length of the first chip is larger than that of the second chip, and the length of the second chip is larger than that of the third chip, (1) the space occupation caused by transverse tiling in the Micro-LED array is reduced, the pixel density of a display screen is remarkably improved, the area of full-color pixels is reduced, the overall size of the screen is reduced, and the size of the display screen is reduced; according to the invention, the structure is simple, the structure is compact, the structure is simple, the structure is especially suitable for high-precision, high-resolution and miniaturized display equipment, the influence of high-energy photons of blue light or green light on the red light chip is effectively reduced, each chip pole can be directly and vertically connected to the driving circuit at the bottom, the occupied space is reduced, and the problems of complicated pole extension and connection in a traditional stacked structure are avoided.

A driver assistance system for a vehicle, the driver assistance system comprising a camera mounted on the vehicle and configured to capture one or more images inside and / or outside of the vehicle, and a processing unit, wherein the camera has a defined field of view (FOV), the camera comprises an optical lens that causes a distortion of the captured images, the processing unit is configured to perform distortion compensation on the images captured by the camera, wherein a pixel density in the resulting compensated images is increased in defined areas of the image due to the distortion, and the defined areas of increased pixel density in the compensated images correspond to a region of interest (ROI) within the image, wherein the ROI is smaller than the FOV of the camera.

According to the image sensor manufacturing method based on the guided self-assembly technology, the guided self-assembly technology is applied to a deep groove patterning process on the back face of a wafer and is combined with a photoetching technology, so that compared with a traditional deep groove patterning process utilizing a PTD or NTD photoetching technology, the deep groove patterning process has the advantages that the deep groove patterning process is simplified; according to the invention, the resolution limit of the photoetching technology can be broken through, the pixel pitch can be reduced, the cost advantage and the pixel density can be improved, the pixel resolution can be greatly improved, the edge roughness of the deep trench isolation pattern of the pixel can be improved, and the signal crosstalk between the adjacent pixels can be reduced.

The invention relates to the technical field of applet interface design, and discloses an adaptive design method and system based on an applet interface. The method comprises the following steps: acquiring screen parameters, image resolution, pixel density and screen size of the terminal equipment, and user operation habit data, such as touch frequency and interface staying duration; and generating equipment adaptive feature vectors according to the data so as to describe terminal equipment display characteristics and user interaction preferences. And constructing an interface element dynamic layout model, and calculating the relative position and the size proportion of the interface component through the model according to the equipment adaptive feature vector. And monitoring a transverse and vertical screen switching event of the terminal equipment in real time, and once the event is monitored, triggering the interface element dynamic layout model to recalculate. And sending the recalculated interface component layout data to a rendering engine to complete the adaptive updating of the applet interface. According to the method, the user experience of the applet on different devices can be effectively improved, and the adaptability and flexibility of the applet to various terminal devices are enhanced.

The utility model relates to a display panel and a display device. The display panel comprises a pixel layer and a shading layer. The pixel layer comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels of different colors, and each sub-pixel comprises a peep-proof sub-pixel and a sharing sub-pixel. The light shielding layer is located on the light emitting side of the pixel layer and comprises light shielding units, the light shielding units are at least located on the two opposite sides of the peep-proof sub-pixel, and the distances between the light shielding units located between the peep-proof sub-pixel and the sharing sub-pixel and the peep-proof sub-pixel and the sharing sub-pixel are the first distance and the second distance respectively, the second distance is greater than the first distance. The pixel density can be effectively improved, and then the display effect is improved.

Example methods, systems and devices provide a display with a higher resolution than the native resolution of a light modulator used. Optical components direct first light on first light paths from a light source to a light modulator and direct second light on second light paths from the light source to the light modulator. Each of multiple controllable elements of the light modulator modulates the first light to produce first modulated light to exit the light modulator at a first angle, and modulates the second light to produce second modulated light to exit the light modulator at a second, different, angle. Another set of optical components focus the first and second modulated light on a target to display first and second sequences of image frames, respectively, in which corresponding pixels in corresponding image frames are shifted by less than a pixel pitch relative to each other.

Provided are a display panel and a display device. The display panel comprises a base substrate and a plurality of sub-pixels, wherein each sub-pixel comprises a light-emitting functional layer, and a first electrode and a second electrode that are located on two sides of the light-emitting functional layer in a direction perpendicular to the base substrate, and the first electrode is located between at least part of the light-emitting functional layer and the base substrate. The plurality of sub-pixels are divided into a plurality of repeating units, each repeating unit comprises a plurality of first color sub-pixels, a plurality of second color sub-pixels, and at least one third color sub-pixel, the first electrode of the at least one third color sub-pixel comprises a first electrode portion extending in a first direction and a second electrode portion extending in a second direction, the first electrode portion and the second electrode portion divide the repeating unit into two regions, and each region is provided with at least one first color sub-pixel and at least one second color sub-pixel. The display panel can achieve a larger pixel density and have a larger pixel aperture ratio, thereby having a good display effect.

The application relates to an organic electroluminescence device, a display panel and a driving method, the organic electroluminescence device sets light-emitting materials in a first light-emitting layer, a second light-emitting layer and a third light-emitting layer respectively, the first light-emitting layer and the second light-emitting layer are arranged in a laminated mode in a first region of a pixel unit, the third light-emitting layer is arranged in a second region which is parallel to the first region, and a first functional layer is arranged to penetrate the second light-emitting layer; the first light-emitting layer or the second light-emitting layer can be controlled to emit light according to the size of the voltage acting on the first functional layer; since the first light-emitting layer and the second light-emitting layer are arranged in the same region of the pixel unit, the effective pixel density in a unit area can be greatly improved, and therefore the display resolution can be improved.

The invention discloses an array substrate, a preparation method thereof and a display device. The array substrate comprises a substrate body and a first conductive layer located on the substrate body, and the first conductive layer comprises at least one data line; the first insulating layer is located on one side, far away from the substrate, of the first conductive layer and comprises at least one first via hole, and the first via hole exposes a part of the data line; the first semiconductor layer is partially located on the side, away from the substrate, of the first insulating layer, the first semiconductor layer comprises a first active layer of at least one first transistor, and the first active layer of the at least one first transistor comprises a first channel region; wherein at least part of the first channel region is located in the first via hole, and the included angle between the first channel region and the direction perpendicular to the plane where the substrate is located is larger than or equal to 0 degree and smaller than or equal to 5 degrees, so that the pixel density of the display device can be improved.

The application provides a part splicing animation display method and device and a storage medium. The method comprises the following steps: obtaining the actual physical size of a target part to be spliced; obtaining the screen pixel density and screen size of a target device; determining the target display ratio of the target part based on the screen pixel density, the screen size and the actual physical size; generating a part splicing animation of the target part according to the target display ratio; and displaying the part splicing animation on the target device. According to the application, the target display ratio of the target part is determined based on the actual physical size of the target part, the screen pixel density and the screen size of the target device, so that the display of the part splicing animation of the target part is more reasonable, and the risk of part splicing error is reduced.

The invention relates to the technical field of intelligent teaching evaluation, in particular to an education quality intelligent analysis and evaluation system which comprises an image area parameter extraction module, a drawing feature change analysis module, a main color distribution recognition module, a drawing expression repetition detection module and a theme preference affiliation evaluation module. According to the invention, on the basis of an image grid division and feature extraction mode, fine parameter acquisition of the drawing image in the spatial dimension can be realized, and in combination with feature time sequence construction, the change trend of dimensions such as the graph area, the edge line and the pixel density can be dynamically tracked; the color expression analysis depth is improved through linkage recognition of the color proportion and main color space distribution, quantitative description of painting behavior continuity and stability is achieved through repeated comparison of expression areas and feature synchronization rate evaluation, and finally the affiliation probability of an image in a subject category is output through multi-dimensional feature clustering. And data support is provided for the drawing preference and expression orientation trend of students.

To provide an inspection device capable of determining whether each pixel of an inspection image is a defective pixel or a non-defective pixel without setting a model image.SOLUTION: The inspection apparatus specifies a search range away from the target pixel by an integer multiple of the pitch of the periodic pattern. When the target pixel is a non-edge pixel, the inspection device determines whether the target pixel is a defective pixel or a non-defective pixel according to a comparison result between a minimum value of a density difference between the target pixel and a pixel included in the search range and a first threshold. When the target pixel is an edge pixel, the inspection device determines whether the target pixel is a defective pixel or a non-defective pixel according to a comparison result between a minimum value of a difference in the change direction of the density gradient between the target pixel and the pixel included in the search range and a second threshold value.SELECTED DRAWING: Figure 1

The application discloses a CTC system localization hardware performance monitoring data visualization implementation method, solves the problems of poor adaptability of existing general monitoring schemes to localization hardware and railway business scenes, disconnection of data and business, weak visualization analysis and difficult special network deployment. The method ensures the improvement of data accuracy through automatic matching and multi-dimensional verification of hardware types, differentiated packet loss completion and business correlation abnormal value filtering; constructs a device-line-business three-dimensional layered model, combines railway operation diagrams for differentiated down-sampling and weighted statistics, and automatically associates business event labels to realize deep binding of performance data and business logic; through multi-index linkage visualization, pixel density detection intelligent labeling and multi-dimensional interaction filtering, the performance bottleneck positioning efficiency is improved; through three-level dependency list management, resource path mapping and static link encapsulation, an executable file that can completely run offline is generated, and the stable operation rate of the localization terminal is ensured.

The application relates to the field of image analysis, in particular to an AKI diagnosis method fusing multi-modal image features, which obtains kidney area MRI and CT images, extracts kidney pelvis candidate response boundary change information, completes area alignment and multi-scale response fusion through path aggregation, priority judgment and directionality adjustment, outputs a diagnosis graph and combines abnormal expansion direction to optimize an image set. According to the application, a high-response pixel set of a kidney pelvis area in an MRI image is extracted, pixel density and edge gradient change trend are combined, boundary change feature groups are established, the spatial distribution characteristics of potential lesion areas in the image can be finely described, and the initial accuracy of lesion identification is enhanced. The connectivity stability and path consistency of a response block are taken as the measurement basis, a path sorting mechanism in path construction is introduced, and the structural integrity and boundary controllability are improved in the feature path screening stage.

The present invention relates to a display apparatus and a method of driving the same. The display apparatus includes a display panel, a gate driver, a data driver, and a driving controller. The display panel includes an edge area having a rounded shape in a first state and a flat shape in a second state. The gate driver applies a gate signal to a gate line of the display panel, the data driver applies a data voltage to a data line of the display panel, and the driving controller processes input image data according to the first state and the second state. The display panel includes a first display area having a first pixel density and a second display area having a second pixel density smaller than the first pixel density. The second display area corresponds to the edge area of the display panel.

The invention discloses a light projection chip for a Micro LED and a manufacturing method thereof. A one-piece lens is fabricated on the basis of a substrate according to a pre-set array pattern on a side of the substrate of a wafer away from a metal electrode, so that the chip can be integrated with the lens without using an additional lens or an optical component. Furthermore, an integrated chip can be obtained by cutting the wafer. A chip with a high integration degree, a high pixel density and a small volume can be obtained by multiple sub-pixels on the integrated chip. Each pixel on the chip corresponds to the driving base, so that the effects of adjustable resolution and free pixel partitioning are achieved by the driving design.

The invention provides a silicon-based display panel, a manufacturing method thereof and a display device, and belongs to the technical field of display. The silicon-based display panel comprises a silicon-based circuit substrate; the plurality of pixels with different colors are located on the silicon-based circuit substrate, the plurality of pixels with different colors comprise a first color pixel, a second color pixel and a third color pixel, and the first color pixel and the second color pixel share a first light-emitting layer and a second light-emitting layer; the first color pixel, the second color pixel and the third color pixel do not share a light-emitting layer, the first light-emitting layer and the second light-emitting layer are arranged in a stacked mode, the first light-emitting layer can emit light of a first color, the second light-emitting layer can emit light of a second color, and the second light-emitting layer can emit light of a second color. The microcavity lengths of the first color pixels and the second color pixels are different. The pixel density and the brightness of the silicon-based display panel can be improved.

This disclosure relates to a display control method, an electronic device, and a storage medium. The electronic device includes: a display screen with a first display area and a second display area; the pixel density in the first display area is less than the pixel density in the second display area; the pixels in the first display area use a first pixel circuit, and the pixels in the second display area use a second pixel circuit; the charging times of the storage capacitors in the first pixel circuit and the second pixel circuit are different. This embodiment can achieve a display effect where the brightness of the first display area and the second display area remains consistent, which is beneficial for improving the viewing experience.

The invention discloses a pixel density enhancing system based on double static modules, which comprises a projection module A and a projection module B. The projection module A and the projection module B both comprise a micro display chip. The projection module B is statically assembled in the head lamp assembly, so that an image projected on a target plane by the projection module B simultaneously exists in the horizontal direction and the vertical direction relative to an image of the projection module A, or an accurate geometric dislocation of 0.5 pixel units exists in one of the horizontal direction and the vertical direction; the dislocation aims to enhance the light-type pixel density through superposition projection of dual modules. Under the condition that the number of physical pixels of a single chip is not increased, the effective pixel density can be increased to be close to four times, the sawtooth effect and the screen window effect are remarkably eliminated, and the light type control precision is improved.

The invention discloses a cereal crushing impurity detection method and device based on a spectral imaging and deep learning hybrid network, belongs to the technical field of spectral analysis, and realizes accurate sparse selection of spectral features by constructing a feature wavelength extraction method with microwave band gating and physical prior constraint. By combining importance sorting and grouping fusion of the multi-dimensional characteristic wave bands, the effectiveness of the spectral characteristic image is improved; a detection model is constructed by taking lightweight GrainCINet as an encoder and layer-by-layer up-sampling fusion as a decoder, a multi-target parameter optimization strategy combining grid search preliminary screening with Bayesian iterative optimization is adopted, detection result comprehensive identification is carried out through category voting, on the basis, the crushing and impurity-containing condition of a sample is calculated through category pixel density and proportion, and the detection accuracy is improved. Finally, efficient, accurate and robust detection of the crushed grains and impurities of the grains is achieved, and the actual application requirements of grain quality detection are met.

The invention relates to a display device. According to one aspect of the present disclosure, a display device includes a lower substrate having an active area and a non-active area adjacent to the active area. The active region has a first region and a second region surrounding the first region. A plurality of plate patterns are disposed on the lower substrate, and a plurality of line patterns are disposed between adjacent plate patterns of the plurality of plate patterns. The plurality of pixels are disposed on the plurality of plate patterns in the active area among the plurality of plate patterns. A plurality of pixels are arranged in the first and second regions at different pixel densities such that the first region provides a higher resolution image while the second region provides stretchability. By combining different pixel densities with a plate pattern and a line pattern, the display device ensures high resolution of a central viewing area and mechanical flexibility of an outer area while maintaining overall display performance.

The application discloses a manufacturing method of a vehicle Micro LED light projection chip. An integrated lens is made on a substrate based on a preset array pattern on one side of the substrate of a wafer far from a metal electrode, so that the chip can integrate the lens without using an additional lens or optical component; and the wafer is cut to obtain an integrated chip, and a high-integration, high-pixel density and small-volume chip can be obtained through a plurality of sub-pixels on the integrated chip; each pixel on the chip corresponds to a driving substrate, so that the effect of adjustable resolution and free pixel partitioning can be realized through driving design.

This disclosure provides a display substrate, its manufacturing method, and a display device, belonging to the field of display technology. The display substrate includes: a driving substrate; a first electrode located on the driving substrate; a pixel defining layer located on the side of the first electrode away from the driving substrate; an isolation pillar located on the side of the pixel defining layer away from the driving substrate, the orthographic projection of the isolation pillar on the driving substrate falling within the orthographic projection of the pixel defining layer on the driving substrate; an organic light-emitting layer located on the side of the isolation pillar away from the driving substrate, the organic light-emitting layer being broken at the side of the isolation pillar; and a second electrode located on the side of the organic light-emitting layer away from the driving substrate. The technical solution of this disclosure can improve the pixel density of the display substrate.

Thermal printing on plastic cards, wherein the energization of each individually energizable heating element of a thermal printhead is adjusted based on the temperature of the thermal printhead and the density of the pixel to be printed. For each pixel, the printhead temperature and the pixel density of the pixel to be printed are used to adjust the length of the gate pulse used to energize the heating element to print the pixel. By compensating for both the printhead temperature and the pixel density, tighter tolerances in the resulting print density are obtained.

The invention provides a pixel structure, a manufacturing method thereof and a display device, a plurality of pixels used for LED display are arranged, and the pixels comprise a first sub-pixel, a second sub-pixel and a third sub-pixel which can emit light of three different colors and are separated from one another; the second sub-pixel is located on the right side of the first sub-pixel along the first direction line; the third sub-pixel is located below the first sub-pixel along a second direction line, and the first direction line intersects with the second direction line; or, the two first sub-pixels are located on the third direction line and symmetrically distributed on the two sides of the intersection point, the two second sub-pixels are located on the fourth direction line and symmetrically distributed on the two sides of the intersection point, and the two third sub-pixels are located on the fifth direction line and symmetrically distributed on the two sides of the intersection point; the third direction line, the fourth direction line and the fifth direction line intersect at the same point to obtain an intersection point; wherein the current pixel and the adjacent pixel share part of the sub-pixels, and specifically, the pixel density is remarkably improved by sharing part of the sub-pixels.

A display substrate, a driving method thereof, and a display device. The display substrate includes: a first display sub-region including a plurality of first repeating regions each including a first pixel unit and a second pixel unit disposed adjacently, the first pixel unit including a first sub-pixel and a second sub-pixel, and the second pixel unit including a second sub-pixel and a third sub-pixel; and a second display sub-region including a plurality of second repeating regions each including a third pixel unit and a first transparent pixel, the third pixel unit including a first sub-pixel, a second sub-pixel and a third sub-pixel; the first transparent pixel is configured such that a pixel density of the second display sub-region is less than a pixel density of the first display sub-region, and a light transmittance of the second display sub-region is greater than a light transmittance of the first display sub-region.