890 results about "Primary color" patented technology

The invention belongs to the technical field of digital image processing, and particularly discloses a low-illumination image enhancement method for simulating a foggy day degradation mechanism, and the method comprises the following steps: generating a virtual haze image; estimating atmospheric light searched by combining decreasing cutting with a genetic algorithm; coarse transmissivity calculation based on dark channel prior; refining the transmissivity graph; carrying out defogging and low-illumination enhancement on the virtual haze image; and brightness and contrast self-adaptive compensation. According to the method, the precision and robustness of atmospheric light value estimation are improved, a transmissivity graph which better conforms to a scene can be obtained, and the image restoration effect is improved; the method has remarkable advantages in the aspects of reducing artifacts, enhancing image details, denoising, keeping structural information and restoring details.

The invention discloses an RGB LED light source calibration mode optimization method and system, and the method comprises the steps: collecting the color coordinates and brightness data of a three-primary-color light source of an RGB LED, and recording the actual optical characteristics; based on the collected data, establishing a physical model of the light mixing effect of the RGB LED light source, and calculating an initial PWM duty ratio corresponding to a target color coordinate and brightness; inputting the initial PWM duty ratio into the intelligent calibration algorithm model, and optimizing and calculating the optimal PWM duty ratio; the optimized PWM duty ratio is written into an MCU, and the MCU controls mixed light output of the RGB LED according to the written duty ratio; and testing and verifying the calibration effect of the RGB LED light source, and adjusting the parameters of the intelligent calibration algorithm model according to the test result. According to the invention, the PWM duty ratio can be dynamically optimized to realize high-precision light mixing output, and rapid repair and real-time adjustment are supported. The invention belongs to the technical field of photoelectricity, and aims to solve the core problem of the existing RGB LED light source calibration technology and improve the consistency of the light source performance and the production efficiency.

The invention discloses an atmosphere lamp user color calibration matching method. The method comprises the steps that K PCBA boards are installed on a lamp shell; measuring a color coordinate value and a luminous flux value of the atmosphere lamp; the color coordinate value and the luminous flux value of any atmosphere lamp serve as color correction data, and the pwm duty ratio is calculated; the controller controls the LED driver to drive the K atmosphere lamps to complete primary color correction; the PCBA board in any atmosphere lamp is taken out, and the actually measured luminous flux value of the PCBA board is measured; comparing the actually measured luminous flux value with a target luminous flux value to obtain a ratio r; increasing the target luminous flux value Yt by r times, and calculating a pwm target duty ratio in combination with color correction data; the controller controls the LED driver to drive the K atmosphere lamps to complete secondary color correction; and the color coordinate value and the luminous flux value of the atmosphere lamp after color correction are measured and compared with customer standards. The method has the advantages that assembly user color adjustment of multiple styles of atmosphere lamps is achieved, the matching degree of chromatic value control of the atmosphere lamps and real environment requirements is met, the production time cost is greatly saved, and the production efficiency is improved.

The invention discloses a micro light-emitting diode display chip, a preparation method and a display device, and the chip comprises a driving substrate which comprises a plurality of contacts; the multiple display screens are arranged on the driving substrate at intervals, and the multiple display screens are located on the same plane; the display screen comprises a plurality of LED units arranged in an array, the LED units are used for emitting light of a first color, and the LED units are independently driven through corresponding contacts; the wavelength conversion layer is arranged on the side, away from the driving substrate, of the display screen. In the display chip, the plurality of display screens located on the same plane are arranged on the driving substrate, the whole screen uses the same basic primary color, then full-color display of the whole chip can be completed by using a quantum dot process, and due to the fact that the whole surface is the same basic primary color, the bonding yield of the LED unit 201 is greatly improved.

The invention discloses a nitride full-color integrated miniature light-emitting diode display chip and a preparation method thereof, a columnar or halfpace-shaped table surface is formed on the surface of a silicon substrate, and then an AlN buffer layer, an AlGaN stress modulation layer, an n-type GaN layer, an InGaN / GaN composite quantum well layer and a p-type conductive layer sequentially extend on the table surface of the silicon substrate to form a miniature light-emitting diode table surface; through stress release of the side wall of the mesa and stress modulation of the AlGaN layer, tensile stress distribution which is gradually reduced from the center of the mesa to the outer ring is formed in the n-type GaN layer, so that indium component distribution in the InGaN / GaN composite quantum well layer is regulated and controlled, and the micro light-emitting diode mesa covering three primary color wavebands of red, green and blue is formed. According to the chip structure disclosed by the invention, the red, green and blue three-primary-color sub-pixels are integrated, and the difficulty of a mass transfer process of the full-color micro light-emitting diode display chip is reduced. According to the invention, the preparation of the red, green and blue three-primary-color sub-pixels can be completed only by implementing an epitaxial process once, and the process flow is simplified.

The invention discloses a backlight control method, display equipment and a computer readable storage medium, and relates to the technical field of liquid crystal display, the backlight control method is applied to a backlight system, the backlight system comprises an LED backlight source, the LED backlight source comprises a three-primary-color light-emitting source and a white light-emitting source, and the method comprises the steps of obtaining a to-be-displayed target image, determining a three-primary-color backlight gray value of the three-primary-color light emitting source based on the target image; a white backlight gray value is determined based on the three-primary-color backlight gray value, and the white backlight gray value is in positive correlation with the three-primary-color backlight gray value; and driving the three-primary-color light-emitting source to emit light based on the three-primary-color backlight gray value, and driving the white light-emitting source to emit light based on the white light-emitting source, so that the LED backlight source provides backlight. The light emitting efficiency of the backlight source is improved, and the brightness and the color gamut are considered on the basis of low energy consumption.

The invention relates to the technical field of liquid crystal display, and provides liquid crystal display equipment based on a field order and a color image display method. An image to be displayed can be decomposed into three sub-frames based on a field sequential display technology, each sub-frame corresponds to a color field, when a liquid crystal panel is driven according to a main color gray scale value of the color field corresponding to each sub-frame, at least one backlight source corresponding to each color field is firstly driven to emit backlight of a first duration within a time period when liquid crystal molecules reach a steady state, and then the backlight source corresponding to each color field is driven to emit backlight of a second duration within a time period when the liquid crystal molecules reach the steady state. The white light of the second duration is emitted after the first duration, so that the white light is added in the backlight lightening stage of each color field, the color gamut range of the color field corresponding to each sub-frame is effectively reduced, and the color separation phenomenon is reduced. In addition, each subframe corresponds to a single color field or a mixed color field, so that the color separation phenomenon in various algorithms can be improved.

The invention discloses a color temperature correction method and device of a liquid crystal display system and a storage medium. The method comprises the following steps: determining tristimulus values of original white pixel points of the system in a CIE 1931XYZ color space according to normalized spectral power distribution of a white light backlight source of the liquid crystal display system and a transmittance spectrum of a three-primary color filter of a color film; determining a target RGB color space and a target color temperature, and constructing a color space conversion matrix from the target color space to an XYZ color space; converting the tristimulus values of the original white pixel points of the system in the XYZ color space into the three-primary color channel values of the target white pixel points under the target color temperature in the target color space by using the inverse matrix of the color space conversion matrix; and driving the system to display white according to the three-primary color channel value of the target white pixel point. According to the scheme, the color temperature correction of the liquid crystal display system is realized through a method of combining measurement and theoretical calculation, and the color temperature correction efficiency is improved.

The invention discloses a method for predicting color change of an ultra-wide color gamut conjugated polymer microsphere. The method comprises the following steps: collecting solution mass ratio data of previous three-primary color polymer solutions; obtaining annealing condition data corresponding to the solution mass ratio data; acquiring color change data of the conjugated polymer microspheres under the annealing condition data; taking the data as sample data to train a neural network model to form a color change prediction model; new solution mass ratio data and annealing condition data are used as target data to be input into a color change prediction model for prediction; and through a black body radiation RGB conversion formula, converting new color temperature data and brightness data output by the prediction color change model into three-primary color values, and completing prediction. Through the method, the prediction model can rapidly predict the color temperature and the brightness of the conjugated polymer microspheres, and industrial personnel can rapidly prepare a conjugated polymer material of which the color and the brightness are adaptive to the specific industrial application field according to new target data and prediction results.

The invention discloses a three-primary-color depth image saliency detection system. The system comprises a feature encoder, an attention enhancement module, a cross-modal feature fusion module and a cascade correction decoder. The feature encoder is used for extracting original multi-level features of color and depth from the three-primary-color depth image; the attention enhancement module is used for enhancing the original multi-level features and carrying out space alignment processing and channel recalibration processing on the enhanced depth features; the cross-modal feature fusion module is used for performing multi-scale feature fusion processing on the depth features after space alignment and channel recalibration and the enhanced color features to obtain corresponding multi-scale fusion features; and the cascade correction decoder is used for taking the multi-scale fusion feature as a new multi-level feature of the three-primary color depth image, and decoding to generate a corresponding saliency map. The method has higher recognition and segmentation precision.

The invention discloses a multi-wavelength high-color-difference metasurface color holographic device and a design method thereof.The method comprises the steps that firstly, a nano-column super unit is simulated and then serves as training data of a four-port neural network model, a well-trained forward prediction model is obtained, a prediction response database is constructed, and the prediction response database is used as a prediction result; and according to the phase demand of the target image, a corresponding unit structure is matched in the prediction response database, the multi-wavelength high-chromatic-aberration metasurface color holographic device is designed, and full-mode electromagnetic simulation is carried out. According to the scheme, when holographic imaging is achieved, the RGB energy efficiency is improved, and positive illumination high-efficiency metasurface color holographic imaging can be effectively achieved. The method belongs to a non-filtering type multi-wavelength high-color-difference metasurface color holographic device design method, information of three channels of red, green and blue is coded into sub-pixels at the same time, each sub-pixel responds to RGB light, and compared with a traditional mode that RGB sub-pixels respond respectively, the space utilization rate and energy efficiency of three primary colors are greatly improved.

The invention discloses a temperature-based LED color deviation compensation correction method. The method comprises the following steps: measuring LED lamp bead data by using a spectrograph and importing the data into a PC terminal; normal-temperature color coordinate values and normal-temperature luminous flux values of red, green and blue channels of the LED lamp beads collected at the normal temperature of 25 DEG C and the temperature t serve as independent variables at a PC end, data of the LED lamp beads are fitted into a multivariate high-order function through machine learning, and the multivariate high-order function is written into a program code of a controller; measuring primary color coordinate values and primary luminous flux values of red, green and blue channels of the LED lamp beads at 25 degrees once by using a spectrograph, and writing the primary color coordinate values and the primary luminous flux values into a controller; the controller obtains the current temperature value t ', and the actual color coordinate value and the actual luminous flux value of the LED lamp bead under the current temperature value t' are calculated; and calculating the target duty ratios of the red, green and blue channels of the LED lamp beads with the target color and writing the target duty ratios into an LED driver, wherein the LED driver drives the LED lamp beads to mix light with the same color as the target color. The production efficiency of the atmosphere lamp is improved, the production process is simplified, and the color cast compensation precision of the atmosphere lamp is improved.

The invention discloses a double-color injection molding process for an automobile lampshade, and aims to solve the problems of complex process, unstable quality, environmental pollution and the like in the process of realizing a multicolor effect through secondary processing of an existing single-color lampshade. According to the process, a cavity-divided mold design is adopted, a movable mold core is used for switching mold cavities, a primary color material and a cover color material are sequentially injected, and one-time forming of the double-color lampshade is achieved. Transparent polycarbonate is selected as a primary color material, opaque PC or PMMA is selected as a covering color material, and high optical performance and weather resistance are ensured. In the injection molding process, by optimizing process parameters of temperature, pressure, injection molding speed and cooling time, the defects of delamination, flow marks, bubbles and the like among materials are effectively avoided. And a mold runner adopts a balanced hot runner design, so that the material distribution uniformity is improved. The process achieves efficient production of the double-color lampshade, has the remarkable advantages of being excellent in product quality, low in production cost and environmentally friendly, and can be widely applied to the field of manufacturing of automobile lampshades.

The invention provides a color calibration processing method and electronic equipment. The method comprises the following steps: acquiring primary color information of light-emitting equipment; determining the theoretical brightness of each channel corresponding to the target color; determining the current duty ratio of each channel under the current junction temperature according to the current junction temperature, the reference junction temperature brightness of each channel and the theoretical brightness of each channel corresponding to the target color, and obtaining a color mixing output result; determining new reference junction temperature brightness of each channel and junction temperature offset of each channel; obtaining a new maximum brightness and a new current duty ratio of each channel under the current junction temperature, and lightening the light-emitting device again based on each new current duty ratio to obtain a new color mixing output result; and if the new color mixing output result meets the preset error range, taking the junction temperature offset of each channel as the calibration junction temperature offset of each channel of the light-emitting equipment, and taking the new reference junction temperature brightness of each channel as the calibration reference junction temperature brightness of each channel. And the color mixing precision of the light-emitting equipment in the whole working temperature range is improved.

The invention discloses a single-layer liquid crystal reflection type liquid crystal color display module and a preparation method thereof. The display module comprises a light absorption layer, a lower substrate, a red-green-blue three-primary-color reflection type cholesteric liquid crystal layer and an upper substrate which are sequentially arranged. The lower substrate is provided with a TFT electrode, the upper substrate is provided with a conductive indium tin oxide layer, the face, containing the TFT electrode, of the lower substrate is arranged upwards, the red-green-blue three-primary-color reflective cholesteric liquid crystal layer comprises a plurality of polyimide separating walls, and a micron-sized thin-wall container is formed between every two adjacent polyimide separating walls. And three adjacent micron-sized thin-wall containers form a group of pixel strips. Through formula improvement and process upgrading, the reflectivity of the display module is remarkably enhanced, color reflection is brighter, the visual angle characteristic of a display device is improved, the sensitivity to the observation angle is reduced, the display brightness and the light utilization rate are improved, and systematic optimization of reflection efficiency is achieved.

The invention provides an LED multi-light-color regulation and control method and system based on a multi-objective evolutionary algorithm, and the method comprises the steps: firstly obtaining the spectrum and electric power data of each single-color LED, and carrying out the preprocessing of the data through combining a cubic spline interpolation method and a fitting function; secondly, optimizing light color indexes such as color coordinates, color rendering index, color temperature, SDCM value and power consumption by designing an evaluation function; the core of the algorithm is to iteratively optimize the population through individual evaluation, survival of the fittest, heredity and mutation operations by using a multi-target genetic algorithm until an optimal PWM combination meeting all light color index requirements is found. Specifically, the method has the advantages of being high in flexibility, good in expansibility and the like, can adapt to different LED channel configurations, provides a light color regulation and control scheme with high pertinence, is particularly suitable for factory regulation of fluorescent powder-free multi-primary-color LED lamps, and provides an efficient and automatic solution for light color optimization.

The embodiment of the invention belongs to the image display technology, and provides field order display equipment and an image display method. The field order display device comprises a display screen and a processor, and after receiving a to-be-processed image, the processor splits the to-be-processed image into a plurality of single-primary-color images; and for each single primary color image, determining an initial gray value corresponding to each pixel point. And according to each pixel point and the initial gray values corresponding to the adjacent pixel points, determining a target gray value corresponding to each sub-pixel point, and generating to-be-displayed image data. And finally the display screen displays an image according to the to-be-displayed image data. According to the scheme, the target gray value corresponding to each sub-pixel point included in each pixel point is determined, so that one pixel point can display multiple colors, and the resolution of the displayed image is effectively improved.

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

The embodiment of the invention discloses a correction parameter determination method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of color calibration, and the method comprises the steps: obtaining a brightness value corresponding to a first gray scale in a to-be-tested sample and a color coordinate corresponding to a reference RGB combination, and the reference RGB combination represents a to-be-corrected color; determining color coordinates corresponding to a plurality of RGB combinations based on the brightness value corresponding to the first gray scale and the color coordinates corresponding to the reference RGB combination; and under the condition that the difference between the color coordinate corresponding to any RGB combination and the target color coordinate is smaller than a preset threshold value, taking the RGB parameter corresponding to any RGB combination as the correction parameter of the to-be-corrected color. Therefore, the finally corrected color is closer to the target color in the color space, the color deviation is reduced, more real and accurate color experience is provided for a user, and the cost of color calibration is also reduced.

The present application belongs to the technical field of projection. Disclosed are a projection display device and a white balance adjustment method. The projection display device comprises a processor. The processor is used for: driving a primary color light source to emit primary color light, and acquiring a first color coordinate value of white light generated by mixing the primary color light; and when the deviation between the first color coordinate value and a standard color coordinate value is greater than a deviation threshold value, adjusting light emission parameters of the primary color light source on the basis of the standard color coordinate value, so that the deviation between a color coordinate value of white light generated by mixing primary color light emitted by the adjusted primary color light source and the standard color coordinate value is less than or equal to the deviation threshold value, wherein the standard color coordinate value is a white light color coordinate that the projection display device is expected to achieve. Thus, by means of accurate color control and correction, the projection display device can reduce color distortion and deviation and improve the definition and contrast of images, thereby enhancing the display stability and consistency.

The utility model relates to the technical field of COB display modules, in particular to a pixel arrangement structure for solving the large-view-angle color cast phenomenon of the COB display module, the COB display module comprises a plurality of pixels distributed on a welding plate in an array mode, each pixel comprises a light-emitting chip of at least one primary color, and the light-emitting chips are arranged on the welding plate. The positive electrode side light-emitting quantity and the negative electrode side light-emitting quantity of the light-emitting chips of at least one primary color are different, and the positive electrodes and the negative electrodes of the adjacent light-emitting chips with different light-emitting quantities in transverse distribution and / or longitudinal distribution are alternately arranged, so that the light-emitting quantities of the two sides of the COB display module observed at a large visual angle are basically consistent; therefore, the large-viewing-angle color cast phenomenon of the COB display module is greatly reduced.

The invention discloses modified ink for improving the reflectivity of a substrate of a multi-primary-color LED illuminating lamp and a preparation method of the modified ink, and belongs to the technical field of ink. The modified ink is prepared from the following raw materials: 18 to 26 parts of reflective powder, 35 to 60 parts of organosilicone modified acrylic resin, 10 to 16 parts of biphenyl liquid crystal epoxy resin, 5 to 8 parts of a photoinitiator, 3 to 6 parts of a curing agent, 1.5 to 5 parts of an antioxidant, 0.5 to 1 part of a flatting agent and 30 to 40 parts of a solvent. The composite coated core-shell titanium dioxide is adopted as reflective powder and is matched with the organic silicon modified acrylic resin and the biphenyl liquid crystal epoxy resin to prepare the modified ink, the reflectivity can reach 96% or above under the thickness of 30 microns, the yellowing resistance is excellent, the luminous efficiency utilization rate can be increased, energy consumption is reduced, and the service life of the ink is prolonged. The method can be used for preparing high-quality LED lamps with high brightness and high stability.

The invention specifically relates to an evaluation and use method of a display device applied to a color resolution task. The method comprises the following specific steps: S10101, evaluating the uniformity of brightness distribution in a display area of the display device; s10102, evaluating the function relationship between the hardware brightness level prompted by the bit depth of the display equipment and the actual brightness of the screen when the display equipment is used for displaying any one of the three primary colors for monochromatic display; s10103, when the display equipment is used, performing data conversion on the received task for color resolution; acquiring a hardware brightness level closest to a preset requirement; and S10104, evaluating the deviation between the image and the theoretical value in color brightness when the image is actually presented. According to the method, the image for the color resolution task is accurately presented through targeted evaluation and data conversion, prompting and brightness compensation can be carried out when the image presentation error meets the specified requirement, the accuracy of the color resolution task result is effectively improved, and the method is suitable for color resolution tasks in various environments and has wide application prospects.

The invention relates to the technical field of optical imaging, and discloses a single-pixel color imaging system based on multi-wavelength radio frequency marking. The system comprises a light source module used for generating three laser beams with three optical primary colors; the radio frequency driving module is used for generating a radio frequency complex frequency signal; the light path adjusting module is used for performing heterodyne interference processing on the three laser beams according to the radio frequency complex frequency signal, respectively forming a light spot array and a reference light source and then combining the beams, and generating a combined beam to be incident on a measured target; each laser beam corresponds to one group of sub light spot arrays; sub light spot arrays with aligned spatial positions exist among the three groups of sub light spot arrays; the detected target detection module is used for collecting light data generated after a detected target reflects the combined light beam; and the image inversion module is used for performing image inversion processing on the optical data to generate a true color image of the measured target. According to the system, the light spot array of multi-wavelength laser incidence can be registered in the spatial position.

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

The invention discloses a cervical fluorescence image processing analysis method and system and a storage medium, and the method comprises the steps: extracting the three-primary color value of each pixel point after a cervical fluorescence image is obtained, and generating a plurality of color ratio matrixes of the cervical fluorescence image based on the three-primary color value of each pixel point; according to the proportion matrix of each color, preliminarily analyzing the cervical fluorescence image, and judging whether an abnormal region exists in the cervical fluorescence image or not; if yes, extracting an abnormal region image from the cervix uteri fluorescence image, and converting the abnormal region image into a cervix uteri grey-scale map; and recognizing the cervix uteri grey-scale map based on a preset recognition model to obtain a final recognition result. According to the invention, through a front-stage detection and recognition mechanism and a rear-stage detection and recognition mechanism, when normal cervical fluorescence images are quickly screened out, more detailed and comprehensive image recognition is carried out on the preliminarily abnormal cervical fluorescence images through the preset recognition model formed by convolutional neural network training, so that accurate and efficient analysis of the cervical fluorescence images is realized.

The invention provides a pathological image processing method and system, and the method comprises the steps: carrying out the color space decoupling of an original pathological image, separating a plurality of staining components corresponding to the optical absorption characteristics of a staining agent, carrying out the space alignment and channel superposition of the staining components, and generating a multi-channel structure diagram containing the structural characteristics of cells; inputting the multi-channel structure diagram into an adversarial network for color distribution correction to obtain a standardized red-green-blue three-primary color image; performing morphological optimization on the standardized red-green-blue three-primary color image by using an optimization process to obtain a mask, and performing Euclidean distance transformation on the mask to generate a distance map; performing channel splicing on the mask, the distance map and the standardized red-green-blue three-primary-color image, inputting a multi-task deep learning network, and outputting a probability thermodynamic diagram and a boundary probability diagram of a cell mass center; and cell segmentation is realized based on the probability thermodynamic diagram and the boundary probability diagram by utilizing a segmentation process, so that the problem of structural deformation of the image is effectively avoided.

The invention discloses a liquid crystal display device, an image display method, electronic equipment and a readable storage medium. In a first working mode, a control circuit of the device receives display data of an mth frame of image, and controls the device to display n sub-field images to obtain the mth frame of image; the display data comprises initial gray scales under n primary colors; in one sub-field image of the mth frame of image, pixels comprise a target pixel, and the actual gray scale of the target pixel is an average value of the middle gray scale and the initial gray scales of T non-target pixels; the actual gray scale of at least part of non-target pixels is the initial gray scale; the target pixel at least meets one of a first condition and a second condition; the first condition is that the distance between a target point reflecting the color of the target pixel in the reference color space and a white point is smaller than a distance threshold value; the second condition is that the reference brightness of the target pixel is greater than a brightness threshold; and / or the contrast ratio of the target pixel is greater than a contrast ratio threshold value.

Innovations in control and use of chroma quantization parameter (“QP”) values that depend on luma QP values. More generally, the innovations relate to control and use of QP values for a secondary color component that depend on QP values for a primary color component. For example, during encoding, an encoder determines a QP index from a primary component QP and secondary component QP offset. The encoder maps the QP index to a secondary component QP, which has an extended range. The encoder outputs at least part of a bitstream including the encoded content. A corresponding decoder receives at least part of a bitstream including encoded content. During decoding, the decoder determines a QP index from a primary component QP and secondary component QP offset, then maps the QP index to a secondary component QP, which has an extended range.

The invention discloses a colored fluorescent particle for electrophoretic display, and relates to the field of photoelectric display, the colored fluorescent particle is of a core-shell structure, and the colored fluorescent particle sequentially comprises a core, a middle layer and a shell layer from inside to outside; the core is a pigment unit, the middle layer is a quantum dot layer coating the surfaces of pigment particles, the shell layer comprises one or more high-molecular polymers selected from polylauryl methacrylate and polymethyl methacrylate, and the surface of the middle layer is coated with the shell layer; the color fluorescent particles comprise intrinsic primary colors presented by the pigment units and compensation fluorescence excited by the quantum dot layer under light; and the compensation fluorescence is matched with the intrinsic primary color. In addition, the invention also provides a preparation process of the colored fluorescent particles. The colored fluorescent electrophoretic particle provided by the invention is pure and full in color and luster, and is more gorgeous in color under the excitation of ultraviolet rays.