147 results about "High color" patented technology

The invention relates to a commercial building plane automatic color filling method based on a CAD embedded geometry engine. The problems that in the prior art, a traditional commercial building plane is low in color filling efficiency and insufficient in automation degree, and a color scheme is difficult to reuse and share are solved. The method comprises the following steps: S1, carrying out drawing preprocessing and layer configuration; s2, image area identification and interactive display; s3, manually processing the image and screening invalid areas; s4, calculating and displaying an image area; s5, performing dynamic rule matching on the captured business state label and the color filling area; s6, performing color scheme adjustment and one-key color filling operation; and S7, scheme multiplexing output. The method has the advantages that the color matching efficiency is high, the color filling automation degree is effectively improved, the design efficiency and operation convenience are remarkably improved, and the multi-business-form adaptation capacity of commercial design is enhanced.

The invention discloses a color-changeable TPU (thermoplastic polyurethane) film as well as a preparation method and application thereof, and belongs to the technical field of intelligent high polymer materials. The TPU film comprises a thermoplastic polyurethane (TPU) matrix, a color change response system, an interface stabilizer and a functional additive. The color-changing response system comprises at least two different types of color-changing materials, so that multiple environmental stimulus response color changing, such as temperature and light dual response, is realized. The film has the characteristics of sensitive color change response, high color contrast, good color change reversibility, excellent fatigue resistance, high mechanical property retention rate and the like. Through formula and process optimization, the technical problems that a single color-changing material is insensitive in response, low in color-changing contrast ratio, poor in durability and poor in compatibility with a TPU matrix are solved. The TPU film prepared by the invention can be widely applied to the fields of intelligent wearing, safety anti-counterfeiting, dynamic decoration, sensor indication and the like.

The application discloses a short-process printing process of polyester-cotton blended fabric, which comprises screen printing by using active disperse dyes containing double active groups and steaming by using alcohol vapor; the double active groups include hydroxyethyl sulfone sulfate group and CH2CH(OH)CH2X (X is Br or Cl); the CH2CH(OH)CH2X can be converted into an epoxy group under alkaline conditions and can react with the alcohol vapor during the steaming process to realize the cross-linking between dye molecules, so that the effects of improving the fixation efficiency and shortening the process flow are achieved, and then the printed fabric with high color depth and high color fastness is obtained.

The invention relates to the technical field of water quality detection, in particular to a wastewater chroma removal rate measuring method, device and equipment and a storage medium. The fitting curve is generated by obtaining the first absorbance and the first concentration data set, basic data is provided for subsequent fitting curve generation, a scientific basis is provided for colorimetric analysis, and the method can also be used for calculating the chromaticity removal effect. In combination with a fitting curve, a second absorbance data set and a removal rate calculation formula, the efficient adsorption time with the highest chromaticity removal rate can be determined, and the problem that the adsorption time is difficult to accurately measure is solved; in a water tank system of grease sample constant-temperature Raman detection equipment, a periodic concentration calculation formula is constructed according to efficient adsorption time and the number of parallel filter elements, the current concentration is calculated in combination with a real-time filtration cycle period, and the chromaticity removal rate is obtained, so that the chromaticity removal effect of a sequencing batch water inlet treatment system is accurately evaluated, and a reliable basis is provided for system optimization.

This invention discloses a dyeing method for a PET aluminized film, which exhibits high color fastness and good steam resistance. The dyeing method for a PET aluminized film includes the following steps: Step (1), etching the PET aluminized film using tetramethylammonium hydroxide; Step (2), dyeing the PET aluminized film obtained in step (1) using an acidic medium dye; Step (3), fixing the color of the PET aluminized film obtained in step (2) using a color-fixing agent; Step (4), surface treating the PET aluminized film obtained in step (3) using a coating agent, followed by drying.

The utility model relates to the technical field of LED lamp beads, in particular to a colorful LED lamp bead with a high color rendering index. The LED lamp bead comprises a base plate and an installation plate, a plurality of lamp bead bodies are installed on the surface of the base plate, a plurality of tooth grooves are formed in the surface of the base plate, a plurality of tooth plates are fixedly connected to the surface of the installation plate, the tooth plates are in sliding connection with the inner walls of the tooth grooves of the base plate, and a U-shaped frame is fixedly connected to the surface of the base plate. The cooperation of the tooth grooves and the tooth plates has uniqueness and certainty, it is guaranteed that the base plate and the installation plate can be accurately located at the preset position when connected, the situation that due to the inaccurate installation position, the lamp bead bodies are not arranged in order, and then the overall lamplight effect is affected is avoided, the uniformity and consistency of light emitting of the lamp bead bodies are guaranteed, and the service life of the lamp bead bodies is prolonged. The structure composed of the U-shaped frame, the fixing rod, the clamping plate and the torsional spring plays a role in automatic clamping, so that the clamping plate is tightly pressed on the mounting plate, and stable clamping force is formed.

An image sensor (20) comprises a pixel array having a plurality of basic units, the basic unit comprising a first pixel (111), a second pixel (112) and a third pixel (113), the first pixel (111) being a short-wave band light pixel, the second pixel (112) being a middle-wave band light pixel; the pixel array comprises a color filter layer (120), a first substrate layer (130), a medium layer (140) and a second substrate layer (150) in a vertical direction; a first recess (137) extending to the first substrate layer (130) and corresponding to the first pixel (111) and a second recess (138) corresponding to the second pixel (112) are formed on the front surface of the first substrate layer (130), and the depth of the first recess (137) is greater than the depth of the second recess (138). The image sensor can improve the accuracy of color image imaging.

The invention discloses a display terminal color depth testing method and related equipment, and relates to the technical field of display terminal testing, and the method comprises the steps: obtaining a plurality of candidate color depth levels supported by a to-be-tested display terminal; respectively converting the plurality of candidate color depth levels into respective corresponding gray scale ranges; generating a color depth test picture based on all the gray scale ranges obtained through conversion; a test signal containing the color depth test picture is sent to the display terminal to be tested for display; and determining the highest color depth level actually supported by the to-be-tested display terminal according to the visual distinguishable condition between the display areas in the picture obtained after the to-be-tested display terminal displays the received test signal. According to the method, the color depth levels of the candidate colors supported by the display terminal to be tested are obtained at a time, and the color depth test picture containing the multiple corresponding display areas is generated, so that the problem of low efficiency caused by the fact that signals must be generated, switched and displayed step by step in an existing serialization test method is directly solved.

The present invention relates to a method for driving an electro-optical display. More specifically, the present invention relates to a driving method for reducing pixel edge artifacts and / or image residue in an electro-optical display. The present invention provides a waveform for driving an electrophoretic display which includes a color filter between the viewer and the electrophoretic medium. Because the waveform results in each image update passing through a white state before the final state, the overall color gamut is wider and more predictable overall than simply driving an electrophoretic display which includes a color filter with a waveform used for a black and white grayscale display.

The invention relates to the technical field of liquid crystal display devices, and particularly discloses a nanofiber-stabilized double-color liquid crystal coating display device which comprises five layers of structures sequentially arranged, the first layer of structure is a polyethylene glycol terephthalate film with the single side loaded with indium tin oxide; the second layer structure is a first color liquid crystal coating, the first color liquid crystal coating comprises an electrostatic spinning network A and a mixed coating A coating one side of the electrostatic spinning network A, and the mixed coating A is located between the electrostatic spinning network A and the polyethylene glycol terephthalate film; the third layer structure is an ultrathin film; the fourth layer structure is a second color liquid crystal coating, the second color liquid crystal coating comprises an electrostatic spinning network B and a mixed coating B coating one side of the electrostatic spinning network B, and the mixed coating B is located between the electrostatic spinning network B and the ultrathin film; and the fifth layer structure is a glass substrate applying a TFT technology. The display device has the advantages of being low in cost, suitable for large-scale mass production and high in color gamut.

The invention relates to high-color-fastness emerald blue ink and a preparation method thereof. The emerald blue ink is prepared from the following raw materials in percentage by mass: 20 to 30 percent of color paste, 20 to 30 percent of glycerol, 5 to 10 percent of waterborne polyurethane, 3 to 6 percent of closed curing agent, 1.5 to 2.5 percent of surfactant, 0.1 to 0.3 percent of bactericide and the balance of deionized water, wherein the color paste is prepared from the following raw materials in percentage by mass: 20 to 25 percent of disperse blue 60, 10 to 15 percent of glycerol, 5 to 10 percent of sodium lignin sulfonate, 4 to 8 percent of styrene-maleic acid copolymer, 4 to 8 percent of acrylic resin, 5 to 10 percent of C12-14 secondary alcohol polyoxyethylene ether, 0.1 to 0.3 percent of bactericide and the balance of deionized water. The color of the ink is fresh and beautiful turquoise blue, the color fastness of the ink is high, and the ink has good market application prospects.

The invention discloses a color image vision enhancement method. The method comprises the following steps: acquiring an original color image and separating three color components; a Laplace operator is used to sharpen each component image, a Sobel operator is used to extract horizontal and vertical gradients respectively, the gradients are transformed based on a Gaussian function and normalization processing is completed, natural logarithm operation is carried out on an original component image and a normalized gradient image respectively, two obtained logarithm domain images are added and then exponent recovery is carried out, and a final component image is obtained. Restoring the component image to a gray domain, and performing Sigmoid function transformation on the restored component image; and calculating the global maximum and minimum values of the Sigmoid enhanced images of the three component images, performing linear stretching, and finally combining the stretched color component images to obtain a visual enhanced color image. According to the invention, the permeability of the color image can be improved, the brightness of the color image under the condition of low illumination can be improved, and the color effect matched with the visual habit of human eyes can be kept.

The present invention relates to a colored photosensitive resin composition, a color filter comprising the same, and an image display device, the colored photosensitive resin composition comprising a colorant, an alkali-soluble resin, a photopolymerizable compound, a photopolymerization initiator, and a solvent, the colorant comprising a compound represented by Chemical Formula 1, the alkali-soluble resin is formed by polymerizing a compound represented by a chemical formula 3 and a compound represented by a chemical formula 4. The present invention has the effects of being able to achieve high color reproducibility even at a relatively low weight concentration (PWC) of a colorant and being able to be used as a thin display, being able to be cured at a low temperature and having excellent reliability, and exhibiting excellent sensitivity such that developability and adhesion are improved, and being able to be used as a thin display. The development stain generation is inhibited, and the solvent resistance is further improved.

The invention discloses a high-fall, high-color and high-gloss injection molding panel colored drawing process which comprises the following steps: S1, selecting printing ink with a corresponding color, and putting the printing ink into each corresponding ink box in a colored drawing machine; s2, the plastic panel is placed on a colored drawing machine, and ink-jet colored drawing is conducted on the plastic panel through a spray head; s3, UV curing is carried out after colored drawing is completed; the ink is prepared from the following components in parts by weight: 10 to 20 parts of inorganic pigment, 5 to 15 parts of ethyoxyl ethyoxyl ethyl acrylate, 35 to 45 parts of 2-phenoxyl ethyl acrylate, 5 to 15 parts of N-vinyl caprolactam and 1 to 10 parts of dipropylene glycol diacrylate. No volatile organic compound is discharged in the ink, and no VOC is generated when the ink is cured, so that the environmental pollution is greatly reduced; the obtained pattern has good adhesive force, alcohol resistance, light resistance and humidity and heat resistance on a plastic part, and has the characteristic of high fall, and the colored pattern has the characteristics of high color, high gloss and high light transmission, and is more diversified in color.

The utility model discloses a liquid crystal display screen with a wide visual angle and a high color gamut, which comprises a machine body and a display panel embedded on the front side wall surface of the machine body, folding support legs are rotationally arranged on two sides of the rear part of the machine body through rotating shafts, and a locking assembly for limiting two sides of each folding support leg is arranged on the rear part of the machine body. The front portion and the rear portion of each folding supporting leg are each provided with a containing groove, and the inner walls of the two containing grooves are each provided with an extending supporting leg in a rotating mode through a pin shaft. According to the wide-view-angle and high-color-gamut liquid crystal display screen, synchronous limiting of the two sides of the folding supporting legs is achieved through cooperation of the slope sliding blocks and the side baffles, meanwhile, rapid rotation and folding of the folding supporting legs are facilitated through the arrangement of reset torsional springs, rapid folding of the extending supporting legs is facilitated through the arrangement of containing grooves, pin shafts, magnetic plates and iron sheets, and the rotation preventing assemblies are arranged, so that the display effect is good. And the extended supporting legs can be conveniently limited after being unfolded, and the stability during use is guaranteed.

The invention relates to the technical field of vehicle-mounted lighting, and particularly discloses a foldable high-color rendering LED lighting lamp suitable for a vehicle-mounted scene, which comprises a roof rack, the top surface of the roof rack is provided with a mounting bracket unit capable of ensuring the stability of equipment in the vehicle running process, and the mounting bracket unit is provided with an LED light source; the outer surface of the mounting bracket unit is provided with a lighting unit which can be folded and stored and can adjust the lighting angle in multiple dimensions, and the mounting bracket unit comprises a clamping plate which is movably connected to the surface of the roof rack and plays a fixing role, and a fixing bracket which is arranged on the top surface of the clamping plate and is used for bearing the lighting unit; the interior of the shell is kept clean through airflow drainage design, meanwhile, a motor-driven orientation adjusting mechanism is utilized, horizontal orientation adjustment of the illuminating lamp is achieved, it is ensured that illuminating light is accurately projected to a target area, and the operation view field is improved; and a limiting spring rod is meshed with a bidirectional limiting ratchet wheel to prevent the shell from generating unexpected deflection, so that the stability and the irradiation precision of the illuminating lamp are guaranteed.

A full color display is disclosed. The novel full-color display comprises a plurality of pixel units, each pixel unit at least comprises four sub-pixels, and at least one sub-pixel is a sensitized device with the maximum emission wavelength larger than 500 nm. According to the invention, through collaborative optimization of the performance of each sensitized sub-pixel, double significant improvement of the full-color display color gamut range and the photoelectric conversion efficiency is realized, and then the full-color pixel unit with three core characteristics of high luminous efficiency, long service life and high color purity is obtained.

The utility model discloses a wavelength conversion assembly and lighting equipment. The wavelength conversion assembly comprises a supporting piece, a first wavelength conversion layer and a second wavelength conversion layer. Wherein the first wavelength conversion layer comprises a bearing part and a protruding part which are connected with each other; the bearing part is arranged on the supporting piece, and the side, away from the supporting piece, of the bearing part is provided with a first area and a second area, the protruding part is located in the first area and protrudes relative to the bearing part. The second wavelength conversion layer is wound on the periphery of the protruding part and covers the second area; wherein the second wavelength conversion layer comprises red fluorescent particles. The second wavelength conversion layer is doped with the red fluorescent particles, so that the specified laser can be converted into red fluorescence under the excitation of the red fluorescent particles. When the wavelength conversion assembly is configured in the lighting equipment, the lighting light generated by the lighting equipment can be mixed with the red light component, so that the color rendering index of the lighting light is improved, and the lighting equipment can meet the application scene with the high color rendering index.

The invention relates to an ambient light detection method and device, electronic equipment, a storage medium and a computer program product. The method comprises the following steps: determining a target channel value obtained by an ambient light sensor in the electronic equipment based on a spectrum of ambient light of a current environment; selecting a first color temperature value from a preset color temperature value set, and determining a conversion matrix corresponding to the first color temperature value; obtaining a second color temperature value based on a target channel value and a conversion matrix corresponding to the first color temperature value; determining a target color temperature value based on a difference value between the first color temperature value and the second color temperature value; and adjusting working parameters of the electronic equipment based on the target color temperature value. Thus, the accurate target color temperature value can be obtained even in a high color temperature scene or various special light source scenes, and wide application in electronic equipment is facilitated; and meanwhile, the working parameters of the electronic equipment can be accurately adjusted, so that the working parameters are matched with the ambient light of the current environment, and the convenience and reliability of the use of the electronic equipment can be improved.

The invention provides a method for improving the image definition of a color CMOS camera through an AI recognition technology. According to the method, data are collected from a public image data set, and the data are used for training of a capsule network model and implementation of adaptive filtering, so that the understanding of improvement of image definition is further deepened. And then evaluating the restored image by using an improved Sobel operator, so as to provide more comprehensive and more efficient image definition evaluation. And finally, the optimized model is deployed in a color CMOS camera, so that the real-time image definition during shooting is improved, and the model is more mature and the image definition is further improved by collecting user feedback and real-time image data. According to the invention, the quality of the image shot by the CMOS camera can be obviously improved, and better user experience is provided.

This application discloses a solution to the problem of red light flickering when a high color gamut screen is turned off, relating to the field of display control technology. The solution includes: when the main control unit confirms receipt of a screen-off signal based on a vehicle power status signal sent by the power module, it triggers a display control process; subsequently, a single control thread is started, and within this thread, instructions to draw a black overlay and to turn off the backlight are sequentially sent to the display screen; after sending the backlight-off instruction, the main control unit starts a hardware timer to calculate the running time. Before the basic anti-afterglow time is reached, the black overlay is maintained in an effective display state, keeping the liquid crystal panel in a low-transmittance or light-blocking state; when the running time reaches the basic anti-afterglow time, the black overlay is either canceled or maintained according to the cancellation conditions. This invention strictly guarantees the timing of instruction issuance through a single control thread, ensuring that the liquid crystal panel is in a light-blocking state when afterglow occurs, effectively solving the problem of red light flickering when the screen is turned off.

A technique of manufacturing a display device with high productivity is provided. In addition, a high-definition display device with high color purity is provided. By adjusting the optical path length between an electrode having a reflective property and a light-emitting layer by the central wavelength of a wavelength range of light passing through a color filter layer, the high-definition display device with high color purity is provided without performing selective deposition of light-emitting layers. In a light-emitting element, a plurality of light-emitting layers emitting light of different colors are stacked. The closer the light-emitting layer is positioned to the electrode having a reflective property, the shorter the wavelength of light emitted from the light-emitting layer is.

The present invention addresses the problem of obtaining a colored composition film that can provide light containing the three primary colors at high color purity by a simple process. In order to solve the problem, the present invention proposes a colored composition film that contains the following colorant (A) and colorant (B) that absorbs at a prescribed wavelength. Colorant (A): colorant for which the light transmission spectrum in the 430-580 nm wavelength range satisfies formula (1). Formula (1) 0.01 < T550 / T520 < 0.95. (wherein TA (A is a number) is the light transmittance at a wavelength of A nm). Colorant (B) that absorbs at a prescribed wavelength: a colorant having a minimum value for light transmittance in the range of 490 ± 25 nm and having a wavelength in said wavelength range at which the light transmittance is 50% or less.

This utility model discloses a PP shelf testing instrument, including a testing instrument body located on top of the carrier, an incandescent lamp box, and a conveyor. The difference in this utility model lies in that: by energizing the incandescent lamp box, white light passes through the different perforated structures on the PP shelf, causing the display to show multiple bright areas with high color contrast to the PP shelf. This facilitates the testing instrument in quickly capturing the testing points, solving the problem of inconvenient detection points due to insufficient light. By placing the PP shelf on the conveyor located on the concave surface, if the PP shelf is qualified, the conveyor runs forward, transporting the PP shelf to the next station; if the PP shelf is unqualified, the conveyor runs in reverse, transporting the PP shelf to the recycling station, thereby improving the efficiency of PP shelf testing, sorting, and transfer.

This invention aims to provide a film that achieves high color purity and vividness of red, and further, in a preferred embodiment, also provides a film with good color purity and vividness of green and blue, and excellent visual recognition. The film is defined as containing a colorant, a red colorant, and a binder. The colorant, when applied at a concentration of 50% by weight on a glass substrate with a thickness of 1 μm using a transparent acrylic resin as a binder, exhibits an average light transmittance of 30% or more at wavelengths from 660 nm to 1000 nm, and an average light transmittance of 20% or less at wavelengths from 380 nm to 660 nm. When the average light transmittance of the film at wavelengths from 400 nm to 660 nm is set as T1 (%), T1 (%) is 25% to 90%, and the film thickness is 0.2 μm to 1000 μm.

The invention provides a CdZnSeS quantum dot as well as a preparation method and application thereof, and belongs to the technical field of synthesis of nano materials. By optimizing the synthesis process, the long-standing technical problem that'narrow half-peak width (high color purity) 'and'high quantum yield (high luminous efficiency)' are difficult to achieve at the same time in the synthesis of quaternary alloy quantum dots such as CdZnSeS and the like is successfully solved. Meanwhile, the high luminous efficiency (the quantum yield is larger than or equal to 90%) close to the theoretical limit and the extremely high color purity (the red half-peak width lt, 30 nm and green lt, 25 nm) are achieved, the long-standing performance balancing problem in the field is successfully solved, and the obtained quantum dot product is particularly suitable for high-end photoelectric devices with the extreme requirements for color and efficiency.

The invention discloses an RGB Mini LED backlight module based on double electroluminescent QD films, a using method and a manufacturing method, the backlight module comprises a substrate, LED chips, the electroluminescent QD films, a diffusion plate and a brightness enhancement film, the LED chips are arranged on the substrate, the electroluminescent QD films are arranged above the LED chips, display units of the electroluminescent QD films are arranged corresponding to the LED chips, the diffusion plate is arranged above the electroluminescent QD films, and the brightness enhancement film is arranged on the substrate. And the bright enhancement film is arranged above the diffusion plate. According to the invention, only a composite backlight framework of the RGB Mini LED and the electro-generated QD film is adopted, and a traditional three-color Mini LED array is replaced. According to the invention, RGB Mini LED backlight with overall high color gamut, wide temperature range stability and independent and accurate color control can be realized, color point correction of spectrum synthesis is carried out from a backlight source, accurate and adjustable spectrum of the backlight source can be realized, and the problems of brightness loss, low efficiency and color consistency caused by panel adjustment in a traditional scheme are fundamentally solved.

The invention relates to the technical field of coating digital printing ground paste, and discloses high-color-fastness coating digital printing ground paste and a preparation method and application thereof, and the preparation method of the high-color-fastness coating digital printing ground paste comprises the following steps: preparing raw materials; a step of prepolymerization; carrying out chain extension and end capping; a step of neutralization and emulsification; and carrying out copolymerization modification to prepare the coating digital printing floor paste. The product disclosed by the invention is a copolymer of a strong cation polyammonium salt polymer network and a weak cation polyurethane polymer network, and is pre-arranged between ink and a fabric; the polyurethane mesh in the molecular structure can strengthen the bonding fastness between the ink and the fabric through the capillary anchoring effect on the fabric and the fusion anchoring effect on resin in the ink; meanwhile, the long-chain alkyl group in the molecular structure also endows the ground slurry with certain surface activity, so that the coating ink can be better distributed on the surface of the fabric, and the coating ink shows good printing definition, color depth and color fastness.

The present application relates to the technical field of image data processing or generation, in particular to a color distortion detection method and system for a high color gamut liquid crystal touch display assembly, the method comprising: obtaining original display image data of the high color gamut liquid crystal touch display assembly to be detected, and performing pixel-level chroma extraction on the original display image data to obtain original chroma values; performing interference characteristic analysis on optical characteristic parameters to obtain chroma offset; performing explicit interference stripping correction on the original chroma values according to the chroma offset to obtain image chroma values after stripping explicit interference and a target image; calculating correction coefficients corresponding to each interference intensity region, and obtaining pixel chroma values after layered correction based on the correction coefficients; calculating initial color differences between the pixel chroma values after layered correction and standard chroma values, calculating dynamic compensation factors based on the initial color differences, and performing color reconstruction processing on the pixel chroma values after layered correction to obtain reconstructed chroma values, so as to realize color distortion detection.