37results about How to "Reduce color cast" patented technology

The invention discloses a display panel and a display device. The display panel comprises a substrate, a light-emitting device layer and a light shielding layer. The light-emitting device layer comprises a plurality of first pixels and a plurality of second pixels, the plurality of first pixels are distributed in a plurality of shared pixel strip-shaped areas extending in the first direction, and the plurality of second pixels are distributed in a plurality of peep-proof pixel strip-shaped areas extending in the first direction; the plurality of shared pixel strip-shaped areas and the plurality of peep-proof pixel strip-shaped areas are sequentially arranged at intervals in the second direction, the light shielding layer comprises first light shielding parts, and the first light shielding parts are stacked at the interval positions of the second pixels in the first direction. The color cast phenomenon of the whole display panel is reduced.

The invention discloses an image processing method and device, equipment and a medium, and the method comprises the steps: obtaining a short-exposure image and a long-exposure image of a camera module in a shooting process, and enabling the long-exposure image to be an image obtained through the continuous exposure on the basis of the short-exposure image; determining a first R / G value and a first B / G value of the short exposure image, and determining a second R / G value and a second B / G value of the long exposure image; determining a first gain of the short exposure image according to the first R / G value and the first B / G value, and determining a second gain of the long exposure image according to the second R / G value and the second B / G value; mixing the first gain and the second gain according to a preset proportion, and determining a target gain; and performing white balance reduction on the long exposure image according to the target gain to obtain a target image. According to the invention, the long exposure gain and the short exposure gain are mixed for white balance reduction, so that the reduction effect of white balance is greatly improved, and the color cast degree of a highlight area is greatly reduced.

The invention discloses a screen display control device and method, equipment and a storage medium, and belongs to the technical field of display. The screen display control device is applied to the display equipment and comprises a processing module, and the processing module is configured to detect image data and mark sub-pixels with the same color in any two detected adjacent pixels as first sub-pixels and second sub-pixels; a first gray-scale value and a second gray-scale value are obtained, the first gray-scale value is the gray-scale value of the first sub-pixel, and the second gray-scale value is the gray-scale value of the second sub-pixel; determining a target compensation coefficient based on the first gray-scale value and the second gray-scale value; and adjusting the first gray-scale value and the second gray-scale value according to the target compensation coefficient to obtain the adjusted first gray-scale value and the adjusted second gray-scale value so as to drive the display screen to display according to the adjusted first gray-scale value and the adjusted second gray-scale value. According to the invention, the gray-scale values of the same-color sub-pixels in any two adjacent pixels are compensated, so that the color cast degree of the image is reduced.

The invention relates to a display device and a control method of the display device. The display device comprises a display panel; the at least one temperature sensor is used for sensing the temperature of the display panel; the thermal interaction module is located on the backlight side of the display panel; the control module is electrically connected with the heat interaction module, and the control module is used for controlling the heat interaction module to adjust the temperature of the display panel according to the temperature of the display panel. The temperature of the display panel can be controlled within the preset stable range, the color cast problem caused by temperature change to the display panel is reduced, and the display effect is improved.

The invention discloses a decoloring method of a polyester fabric, which has the advantages that the use amount of a solvent is low, and the color of the decolored fabric is stable. The polyester fabric is subjected to a first extraction treatment using a recovery solvent to move a first portion of the dye in the polyester fabric into the recovery solvent. And carrying out first filtering treatment on the recovered solvent and the polyester fabric to obtain the treated polyester fabric. The treated polyester fabric is subjected to a second extraction treatment using a fresh solvent to move a second portion of the dye in the treated polyester fabric to the fresh solvent. And carrying out second filtration treatment to obtain the decolorized polyester fabric and the recovered solvent.

The invention belongs to the technical field of LEDs, solves the technical problem that a backlight source in the prior art usually adopts a white light LED and cannot meet the requirement of high color gamut, and provides a high color gamut light-emitting semiconductor device for backlight and a preparation method of the high color gamut light-emitting semiconductor device for backlight, the high color gamut light-emitting semiconductor device for backlight comprises an LED blue light chip and fluorescent powder; the fluorescent powder comprises green fluorescent powder and red fluorescent powder, the peak wavelength of the green fluorescent powder is located in a first wavelength interval, the peak wavelength of the red fluorescent powder is located in a second wavelength interval, the first wavelength interval is 525-545 nm, and the second wavelength interval is 625-635 nm; the dominant wavelength of the LED blue light chip is located in a third wavelength interval, and the third wavelength interval is 440-470 nm. By reasonably selecting the wavelength ranges of the blue light chip, the green fluorescent powder and the red fluorescent powder, the color gamut coverage rate of the light-emitting semiconductor device can be greatly improved, and an ideal backlight source is provided for high-color-gamut display application.

The invention discloses an image white balance correction method and device and electronic equipment, and belongs to the field of image processing. The method comprises the following steps: carrying out image segmentation on an underwater image to obtain a main body image and a water body image; estimating a light source color value corresponding to the water body image based on a water body color gamut corresponding to the water body image; estimating a light source color value corresponding to the main body image based on the pixel value of the main body image; and performing white balance correction on the underwater image based on the light source color value corresponding to the water body image and the light source color value corresponding to the main body image.

An image adjustment apparatus and method for a display screen, including applying content analysis to an original image, determining a relevant specific power saving mode to reduce intensity of a specific color of the original image based on a result of the content analysis, and executing the relevant specific power saving mode.

The invention relates to a display panel and a display device. The display panel comprises a display area and a non-display area. The display area comprises a plurality of first data lines which extend in the second direction and are arranged in the first direction; the non-display area comprises a plurality of fan-out lines; the display area further comprises a plurality of connecting lines, and the connecting lines comprise first connecting lines extending in the first direction and second connecting lines extending in the second direction; the same first connecting line comprises a first sub-segment and a second sub-segment which are arranged on different layers, the first sub-segment and the second sub-segment are electrically connected, the first sub-segment and the second connecting line are arranged on different layers, and the second sub-segment and the second connecting line are arranged on the same layer; the auxiliary signal lines extend in the second direction and are arranged in the first direction; the auxiliary signal lines and the second sub-segments are arranged on different layers, and the auxiliary signal lines and the second sub-segments are overlapped in the thickness direction of the display panel. According to the technical scheme, the color cast of the display panel is reduced, and the light transmittance of the display panel is improved.

The invention provides a voltage compensation circuit, a display panel, a display device and a voltage compensation method, the voltage compensation circuit is used in the display panel, the display panel comprises a plurality of pixel units, and each pixel unit comprises three sub-pixel units; the voltage compensation circuit comprises a power management chip; the power management chip is used for independently providing working voltage for each sub-pixel unit, so that the working voltage is independently provided for each sub-pixel unit through the power management chip, the working voltage of each sub-pixel unit does not need to be kept consistent, and the waste of R / G pixel power consumption is reduced while the color cast is reduced and the uniformity is improved.

The invention relates to a display panel and a display device. The display panel comprises a display back plate and a display panel, wherein the display back plate comprises three sub-pixels; the touch layer group, the first light filtering layer and the second light filtering layer are arranged on the light emitting side of the display backboard, the touch layer group comprises an insulating layer group, the insulating layer group comprises at least two insulating layers and is provided with a first concave part and a second concave part, and the orthographic projection of the first concave part on the display backboard is overlapped with the first sub-pixel; at least part of the first filter layer is located in the first sunken part, and the refractive index of the first filter layer is larger than that of the insulating layer provided with the first sunken part; at least part of the second filter layer is located in the second concave part, and the refractive index of the second filter layer is different from that of the first filter layer and larger than that of the insulating layer provided with the second concave part; the orthographic projection of the second concave part on the display back plate is overlapped with the second sub-pixel, and the area of the total reflection surface of the concave part corresponding to one of the first filter layer and the second filter layer with the larger refractive index is small.

The utility model discloses an LED light bar with a high-color-gamut backlight module, and relates to the technical field of LED light bars, in particular to the LED light bar with the high-color-gamut backlight module. Comprising a main body, an LED lamp strip, a wide-color-gamut LED chip, a light guide plate, a multi-channel driving chip, an optical sensor, an audio signal processing chip, an acousto-optic synchronous control circuit, an integrated module and a bottom plate. According to the utility model, the LED light bar adopts the wide-color-gamut LED chips and the optimized light guide plate, so that wider-color-gamut coverage and better display effect are realized. Through a multi-channel driving chip and an optical sensor, partition backlight control and dynamic brightness optimization are realized. An audio signal processing chip and an acousto-optic synchronous control circuit are introduced, backlight can be adjusted in real time according to music rhythm and emotion, and immersive audio-visual experience is created. And the compactness and the reliability of the equipment are further improved through the modular integrated design.

The invention belongs to the technical field of display driving, and particularly relates to a display driving method and a display panel, and the method comprises the steps: obtaining the color deviation of various display regions according to the target image data and actual display data of a preset frame; according to the sub-pixel arrangement information of the display panel, performing remapping on the original image data of the current frame to generate remapped image data; and compensating the remapped image data according to the color deviation of the various display areas to obtain target image data of the current frame so as to drive the display panel to display. The display panel is driven to compensate through the sub-pixel arrangement reconstruction and the target image data, so that the color shift of the display panel is effectively improved.

The utility model relates to the technical field of LED display screens, in particular to an LED display screen with an auxiliary heat dissipation and ventilation structure, which comprises a mounting frame, a screen body is mounted in the mounting frame in an inserted manner, a back shell is arranged on one side, far away from the screen body, of the mounting frame in an inserted manner, an insertion opening is formed in the outer surface of one side of the mounting frame, and a ventilation hole is formed in the outer surface of the other side of the mounting frame. And heat dissipation ribs are clamped on the inner side of the mounting frame. According to the LED display screen with the auxiliary heat dissipation and ventilation structure, heat generated during operation of the screen body can be conducted to the outer surfaces of the heat dissipation ribs through the arranged heat dissipation silica gel pad so as to enlarge the heat dissipation area of the screen body, meanwhile, the screen body is inserted into the installation frame during installation, the heat dissipation ribs are clamped into one end of the installation frame, and the heat dissipation effect is improved. The screen body, the heat dissipation silica gel pad and the heat dissipation ribs can be installed and attached more easily and conveniently, and light attenuation, color cast and service life reduction caused by the fact that heat cannot be dissipated in time when the screen body runs for a long time can be reduced.

The invention discloses a display panel and a display device. The cover plate display panel is provided with a display area and a non-display area located on the peripheral side of the display area, the display panel comprises a substrate, a first light-emitting layer, a common layer, a second light-emitting layer and a first conductive part, the first light-emitting layer is arranged on one side of the substrate, and at least part of the first light-emitting layer is located in the display area; the common layer is arranged on the side, away from the substrate, of the first light-emitting layer. The second light-emitting layer is arranged on the side, away from the substrate, of the common layer. The first conductive part is located in the non-display area, the common layer extends from the display area to the non-display area and is connected with the first conductive part, and the first conductive part is used for participating in controlling the potential of the common layer. The display panel provided by the embodiment of the invention has a relatively good display effect.

The invention provides a preparation method and application of high-dispersity food-grade titanium dioxide, and relates to the technical field of food additives. The preparation method comprises the following steps: S1, mixing a titanium dioxide crude product with concentrated sulfuric acid and deionized water, carrying out acid pickling, stirring for 20-40 minutes, adding deionized water, carrying out water washing, and carrying out filter pressing until filtrate is neutral, so as to obtain a filter cake; s2, filtering the filter cake through a sieve shaker, sanding, adding deionized water to dilute and wash until the conductivity of the slurry is stabilized below 400 [mu] S / cm, and grading to obtain slurry containing fine particles; s3, carrying out filter pressing on the slurry containing the fine particles, adding deionized water into an obtained filter cake, re-dispersing, and then carrying out spray drying and crushing to obtain food-grade titanium dioxide; the food-grade titanium dioxide obtained by the preparation method provided by the invention has excellent dispersity and long-term suspension stability, extremely high whiteness and extremely low color cast, the content of harmful heavy metals is reduced to an extremely low level, the particle size is controlled to be 0.3 mu m or below through fine processing steps of sanding, diluting and grading, the pore structure is larger than 50 nm, and the food-grade titanium dioxide has relatively good compactness and is suitable for industrial production. The agglomeration phenomenon is effectively reduced, and the method can be widely applied to food.

The embodiment of the invention provides a display control chip, a display device, a driving control method of the display device and an electronic device. The display control chip selects a correction mode according to the brightness level of the display equipment, and corrects the received first pixel voltage of any pixel unit to obtain a second pixel voltage; determining a corresponding compensation base value according to the second pixel voltage of the current frame of picture and the second pixel voltage of the previous frame of picture; compensating the first pixel voltage according to the compensation base value to obtain a third pixel voltage; and outputting the third pixel voltage to a corresponding pixel unit to drive the display of the pixel unit.

An optical display apparatus, a display system, a vehicle, and a color adjustment method are provided to resolve a problem of an image color cast in the conventional technology, and can be applied to fields such as manual driving or an in-vehicle infotainment. The optical display apparatus includes: a light source module, configured to emit light (where the light is combined by light of at least two colors); a light splitting module, configured to split the light into a first path of light and a second path of light, propagate the first path of light to a sensing module, and propagate the second path of light to a modulation module; the modulation module, configured to modulate the second path of light, to obtain image light that carries image information; and the sensing module, configured to obtain color information of the first path of light, where the color information is for adjusting weights of the light of the at least two colors. The first path of light is used as color calibration of the light, the color information is obtained based on the first path of light, and the weights of the light of the at least two colors are adjusted based on the color information, so that color correction of the image light can be implemented, thereby helping reduce a color cast of an image formed by the image light.

This application provides a blue light filtering method, apparatus, electronic device, and computer-readable medium. The method includes: obtaining a preset blue light filtering value; determining blue light filtering layer parameters based on the blue light filtering value and a preset color balance formula; and performing blue light filtering on an image to be displayed based on the blue light filtering layer parameters. This application determines the blue light filtering layer parameters based on the blue light filtering value and a preset color balance formula, and then performs blue light filtering on the image to be displayed based on these parameters. This ensures that the color balance of the image to be displayed is maintained during blue light filtering, reducing color shift problems caused by blue light filtering, thereby improving the user's viewing experience.

The invention discloses a production process of natural diffuse reflection light based on colored micro-patterning of colored crystal glass, which belongs to the technical field of preparation of colored crystal glass, and comprises the following steps: gluing thin stone and Dupont paper on the air surface of toughened glass; arranging and fixing the light guide matrix; spraying codes on the air surface of the toughened glass and printing light guide ink; a plurality of optical channels are arranged in the PC board; sequentially stacking and jointing the toughened glass, the PC board and the PMMA board, and adding a backlight module at the same time; and finally, carrying out bottom sealing protection to obtain a finished product. Wherein the light guide printing ink comprises a light guide additive, and the light guide additive is obtained by compounding nano glass ceramic and nano silicon dioxide, the nano glass ceramic is prepared by melting and sintering tellurium oxide, zinc oxide, bismuth oxide and niobium oxide as raw materials at low temperature, and the light guide matrix is arranged according to the principle of fixed-point diffuse reflection of the light guide material to light and is compounded and superposed with the plate; and the appearance effect which has the hazy feeling of stalactite and is close to the nature is obtained.

The application belongs to the field of image vision technology, and discloses a sand-dust image sharpening method, system, medium, equipment and terminal. The improved automatic color scale algorithm is used to perform secondary distribution on image pixels, so as to reduce image color deviation. The gamma correction algorithm and the improved dark channel prior algorithm are combined to perform brightness compensation on each image pixel, so as to enhance image sharpness. The gray world algorithm is combined to balance image color, so as to realize sharpening of deep-concentration sand-dust images. The application can effectively improve sand-dust image quality, improve the definition and sharpness of degraded images, and realize sharpening of blurred images in sand-dust weather. The application can effectively improve the definition and sharpness of deep-degraded sand-dust images. The image collected in severe weather with large sand-dust can be restored to a clear image by the processing of the application, which has important practical significance for security monitoring, road monitoring, face recognition and the like.

Embodiments of the present application provide an electronic paper module and a display device, comprising: a color film layer, the color film layer comprising a plurality of color resistance blocks, and a blank area being arranged between adjacent color resistance blocks; an electronic paper layer arranged on one side of the color film layer, the electronic paper layer comprising a first cavity and a second cavity, the first cavity being arranged on one side of the color resistance block, the second cavity being arranged on one side of the blank area, the first cavity and the second cavity being in communication, and electrophoretic particles being arranged between the first cavity and the second cavity; wherein the thickness of the first cavity is greater than the thickness of the second cavity. The electronic paper module and the display device provided by the embodiments of the present application form reflective retaining walls on both sides below the blank area, light is reflected after passing through the bottom, is incident to the reflective retaining walls on both sides (the side walls of the first cavity), and is then reflected to exit from the blank area, thereby reducing the occurrence of color deviation and without loss of brightness.

The utility model relates to the technical field of micro-displays, in particular to an OLED (Organic Light Emitting Diode) display structure, which comprises a light combination prism, the light combination prism comprises a light-in surface and a light-out surface; the light incident surface is connected with a single-color silicon-based OLED (Organic Light Emitting Diode) display; the light emitting surface is connected with a micro lens assembly; the micro-lens assembly is arranged on the light emitting surface of the light combining prism, the micro-lens assembly rotates the light path through the micro-lens array and increases the light extraction efficiency, so that the brightness of the OLED display is improved, the power consumption is reduced, and the structure can increase the direction of light reflected in the panel by adjusting the light path, so that the front brightness is improved, and the side brightness is reduced.

This application provides an image fusion method, apparatus, electronic device, and storage medium. The method includes: acquiring a visible light image and a thermal imaging image; determining a first color weight for the color components of pixels in the thermal imaging image and a second color weight for the color components of pixels in the visible light image based on the temperature reflected by each pixel in the thermal imaging image; wherein the first color weight of the color components of pixels in the thermal imaging image is negatively correlated with the temperature reflected by the pixels in the thermal imaging image; fusing the color components of pixels in the thermal imaging image and the color components of pixels in the visible light image based on the first color weight and the second color weight; and fusing the luminance components of pixels in the thermal imaging image and the luminance components of pixels in the visible light image to obtain a fused image. This application embodiment can reduce the color cast problem in the image obtained by fusing a thermal imaging image and a visible light image.

The invention provides a special-shaped display panel and a display device. The special-shaped display panel comprises special-shaped pixels and conventional pixels, a display area is provided with non-linear boundaries, the non-linear boundaries of the special-shaped display area are adjacent, a non-display area surrounds the display area, the opening area of the special-shaped pixels is smaller than that of the conventional pixels, any two conventional sub-pixels are different in color, and the color of the special-shaped pixels is larger than that of the conventional sub-pixels. The colors of the conventional sub-pixels are the same as those of the special-shaped sub-pixels in the special-shaped display area, the sum of the opening areas of the special-shaped sub-pixels of the same color in at least two adjacent special-shaped pixels is a first area, and the sum of the opening areas of the conventional sub-pixels of the same color in the conventional display area is a second area; the proportion between the first areas of the different colors is a first proportion, the proportion between the second areas of the different colors is a second proportion, and the first proportion is equal to the second proportion. The technical problem that in the prior art, a special-shaped display panel is uneven in display is solved.

The invention provides an optical compensation film. The optical compensation film comprises a base material and a first optical structure. The first optical structure includes a first high refractive index layer and a first low refractive index layer. The first high refractive index layer and the first low refractive index layer are located on the first side or the second side of the substrate together. The first high refractive index layer is located downstream of an optical path of the first low refractive index layer. The first high refractive index layer is provided with a plurality of first boundary lines which are staggered with one another on a first textured surface facing the first low refractive index layer, so that a plurality of first regions are defined; the plurality of first areas respectively form a plurality of first microstructures. Each first microstructure comprises a plurality of first inclined planes, and two opposite first inclined planes form a first included angle together. The first included angle theta 1, the refractive index nH1 of the first high-refractive-index layer and the refractive index nL1 of the first low-refractive-index layer meet the following relational expression that theta 1-(180-2 * (arcsin (nL1 / nH1) * 180 / pi)) is smaller than or equal to 10, theta 1 is the first included angle, nH1 is the refractive index of the first high-refractive-index layer, and nL1 is the refractive index of the first low-refractive-index layer.

The invention discloses an enhanced Micro LED (Light Emitting Diode) display chip and a preparation method thereof. The enhanced Micro LED display chip comprises a first substrate, an LED epitaxial layer and at least one photonic crystal microstructure layer, the first substrate, the LED epitaxial layer and the at least one photonic crystal microstructure layer are stacked in the thickness direction, the photonic crystal microstructure layer comprises a plurality of photonic crystal microstructure units, and each photonic crystal microstructure unit comprises periodically arranged micro-nano structures. A Mie scattering microstructure formed by Mie ball scattering particles is further arranged in the micro-nano structure, and the Mie scattering microstructure and the micro-nano structure form a local resonance structure, so that light emitted by the Micro LED unit is locally enhanced. A local resonance structure can be formed by introducing Mie ball scattering particles into the micro-nano structure, and a photonic band gap can be formed by overlapping the Mie ball scattering particles with the photonic crystal microstructure layer to form a dual enhancement mechanism, so that light emitted by the Micro LED unit is locally enhanced, angle divergence of emergent light can be inhibited, and light emitting efficiency and intensity are improved.

The present invention belongs to the field of scanner technology, and in particular to a scanner correction mechanism, comprising a light-transmitting plate unit, a top frame and a bottom frame arranged on the upper and lower sides of the light-transmitting plate unit, a first CIS unit and a second CIS unit arranged on opposite side walls of the top frame and the bottom frame, and a first correction plate unit and a second correction plate unit; the first correction plate unit is located directly above the second CIS unit; the first CIS unit is located directly above the second correction plate unit; and also includes a synchronous drive module for driving the first correction plate unit and the second correction plate unit to move horizontally; the light-transmitting plate unit comprises two light-transmitting plate bodies arranged upper and lower, and a paper feeding channel is provided between the two light-transmitting plate bodies; compared with the traditional static linear scanning method, the present invention can realize that the second correction plate unit is the first CIS unit and that the first correction plate unit provides a dynamic scanning area of ​​the surface shape for the second CIS unit, with high precision, lower color deviation influence, and better scanning effect.

This invention discloses an underwater image enhancement method based on a multi-scale cross-domain fusion network. Addressing the problems of color distortion, insufficient contrast, loss of detail, and poor adaptability to multi-scale degradation in existing underwater image enhancement methods, this invention proposes a multi-scale cross-domain fusion network. It adopts a U-Net-style encoder-decoder architecture, achieving bidirectional deep interaction between the spatial and frequency domains through a spatial-frequency fusion block. A multi-band decomposition unit is introduced to perform frequency-level decomposition and adaptive enhancement of the amplitude spectrum. Combined with a color correction module for global color calibration, this method effectively preserves image structural details and natural color fidelity while eliminating color cast and improving contrast, achieving a good balance between processing efficiency and enhancement effect. This provides a more effective solution for image restoration in complex underwater environments.

The application discloses a screen display control device, method, equipment and storage medium, and belongs to the technical field of display. The screen display control device is applied to a display equipment, and the device comprises a processing module. The processing module is configured to: detecting image data, recording the same color sub-pixels in any two adjacent pixels as a first sub-pixel and a second sub-pixel; obtaining a first gray scale value and a second gray scale value, the first gray scale value being the gray scale value of the first sub-pixel, and the second gray scale value being the gray scale value of the second sub-pixel; determining a target compensation coefficient based on the first gray scale value and the second gray scale value; adjusting the first gray scale value and the second gray scale value according to the target compensation coefficient to obtain an adjusted first gray scale value and an adjusted second gray scale value, so that the display screen is driven to display according to the adjusted first gray scale value and the adjusted second gray scale value. The application compensates the gray scale values of the same color sub-pixels in any two adjacent pixels, thereby reducing the color deviation degree of the image.