4299 results about "Liquid-crystal display" patented technology

The invention provides an adjustable spectrum-based liquid crystal display system and a control method thereof, relates to the technical field of display systems, and aims to overcome the limitations of poor environmental adaptability, easiness in causing visual fatigue, single user experience and the like of an existing display. The system creatively integrates a liquid crystal panel, a high-precision multi-main-color Micro-LED backlight, a pixel inner sensing array, an external multi-mode sensing module, a dynamic addressable micro-optical array, a dynamic polarization modulation layer and an optional transparent energy collection layer. The intelligent controller carries out fusion processing on the real-time biological state, environment information and application context data of the user obtained by the multi-source sensor, and carries out accurate state evaluation and future trend prediction. And determining an optimal space-time-direction-spectrum-polarized light field output characteristic and an intelligent energy management strategy through a multi-objective optimization decision engine, and driving each optical regulation and control component to execute in real time. The visual comfort and health level are remarkably improved, and the information fidelity and task performance in a complex environment are ensured.

The invention relates to the technical field of liquid crystal display, and discloses an intelligent driving method and system for a liquid crystal display screen, and the method comprises the following steps: S1, collecting environment, content and user behavior information, and constructing a multi-modal fusion feature vector; s2, extracting features by using a physical enhanced neural network, and generating visual importance mapping in combination with a liquid crystal response model; s3, dividing a display area based on visual importance and a content change rate, and calculating a refresh priority and a refresh rate; s4, determining an optimal driving parameter in combination with a multi-objective optimization model; s5, executing driving control and collecting response data; and S6, updating the liquid crystal health map and network parameters to realize closed-loop optimization. According to the method, a multi-modal perception and fusion feature vector construction technology is adopted, environment information, display content information and user behavior data can be comprehensively collected, and high-dimensional feature vectors are generated by reasonably fusing the information.

The invention relates to the technical field of display methods of electronic displays, in particular to a display optimization method and system for a liquid crystal display screen. The method comprises the following steps: acquiring current image frame data and previous image frame data, and calculating an inter-frame difference based on a preset pixel difference threshold; performing threshold judgment based on the inter-frame difference data to obtain motion area data; calculating a gray scale change rate according to the motion area data; performing threshold interception on the gray scale change rate data to obtain response optimization target area data and non-target area data; and performing continuity evaluation on the response optimization target area data, and performing merging processing based on a continuity evaluation result to obtain a continuous rectangular target area group. According to the invention, the dynamic optimization of the liquid crystal display screen is realized by accurately identifying the motion area and carrying out gray scale change calculation, temperature adaptation adjustment and pulse width modulation, and the definition and the display effect of a motion picture are improved.

The invention provides a self-adaptive color depth optimization method for a liquid crystal display screen, which comprises the following steps of: acquiring manual adjustment operations of a user on brightness, contrast and color parameters of the liquid crystal display screen in different use scenes to form a user preference data set; according to the user preference data set, a data classification method is adopted to classify manual adjustment operations in different use scenes, and features of ambient light and content types are extracted to determine preference feature distribution of a user in a specific scene, and a personalized color preference model is constructed; preliminary calibration is carried out in combination with a dynamic balance algorithm, and display parameters are optimized through a continuous learning mechanism and secondary calibration. The problem that in the prior art, color adjustment of a liquid crystal display screen lacks individuation and scene self-adaption capacity is solved, continuous self-adaption of the display effect is achieved, manual intervention of a user is reduced, and the individuation degree and comfort degree of visual experience are improved.

The invention relates to the technical field of display screen detection, in particular to a liquid crystal display screen module performance detection method and system, and the method comprises the steps: collecting an image sequence of pure color pictures displayed by a display screen module at a full brightness level, and obtaining a screen display image of each pure color picture according to the image sequence; extracting a feature vector of the screen display image, performing feature analysis on the screen display image according to the feature vector, obtaining an abnormal point of each display pure color picture, and recording a spatial position and a deviation direction of the abnormal point; if at least one display pure color picture has the abnormal point, performing secondary judgment on the abnormal point by combining the spatial continuity and time stability characteristics of the adjacent frame of the abnormal point, and obtaining the abnormal type of the abnormal point; and generating an anomaly detection report of the display screen module. According to the method, the accuracy and robustness of detection are improved, misjudgment and missing detection can be effectively reduced, and the quality control level of the liquid crystal display screen module is remarkably improved.

The embodiment of the invention belongs to the technology of display equipment, and provides liquid crystal display equipment based on field sequential display and a color image display method thereof.The liquid crystal display equipment comprises a liquid crystal display screen, a backlight module and a processor, the liquid crystal display screen is divided into a plurality of backlight partitions used for displaying images, and the backlight module is used for emitting backlight; the backlight is used for adjusting the backlight brightness of the display image corresponding to the four-field sequence. And the processor is used for acquiring RGBW image pixel data of the image in the backlight partition, and acquiring backlight brightness data corresponding to the RGBW color based on a preset backlight extraction algorithm according to the RGBW image pixel data. And the processor is also used for determining image compensation pixel data corresponding to the RGBW color based on a preset pixel compensation algorithm and the backlight brightness data corresponding to the RGBW color. And the liquid crystal display screen is used for displaying a color image according to the image compensation pixel data corresponding to the RGBW color. The power consumption of the display equipment is reduced, and the user experience is improved.

The invention relates to the technical field of display screen detection, and discloses a liquid crystal display screen color difference detection system and method.The system comprises a multispectral imaging module, a curved surface deformation modeling module, a coupling tensor decomposition module, a biological excitation feature extraction module, a dynamic compensation control module and a technological parameter interface module; the method comprises the following steps of synchronously collecting a multispectral image and screen deformation data, constructing and decomposing a multidimensional tensor containing geometric constraints, extracting biological excitation visual features, and generating and applying voltage compensation through model prediction control so as to dynamically correct the color difference of the flexible screen. According to the method, through multispectral and geometry synchronous perception, multidimensional tensor constraint decomposition, biological excitation and deformable convolution feature extraction, time-varying model prediction control and dynamic weight adjustment of fused manufacturing parameters, high-precision capture and personalized compensation of the dynamic chromatic aberration of the flexible screen are realized. The defects of dynamic perception, quick response and individual adaptability are overcome.

The invention relates to the technical field of display screens, in particular to a liquid crystal display screen backlight local dimming method and device, a terminal and a medium. Comprising the steps of obtaining brightness and color distribution data of a display picture; calculating a target brightness value of each backlight block through the dimming algorithm module based on a dynamic partition control strategy and a preset brightness mapping model; wherein the dynamic partition control strategy is used for dividing adjacent backlight blocks into dynamic dimming groups according to brightness characteristics of a picture area on the premise that the number of the backlight blocks is not increased; the backlight control device drives an LED backlight block of the backlight module according to the target brightness value; and monitoring a display effect in real time, and adjusting parameters of the brightness mapping model based on feedback. According to the invention, the problems of cost increase and related derivation caused by increase of the number of partitions in the prior art can be solved.

The invention discloses a liquid crystal display screen efficient refresh rate control method and system and a medium, and relates to the technical field of display screen control. The method comprises the steps of obtaining a display state of a display screen; constructing cascade refreshing logic and deploying a driving controller; the method comprises the following steps: carrying out first-order display partitioning in a display mode, carrying out second-order display partitioning in a mode plate, matching a distributed refresh rate interval and writing the interval into a register, determining a real-time refresh rate by taking the distributed refresh rate interval as a constraint according to interface dynamics, and generating a vertical synchronizing signal by taking a necessary pixel region as a refreshing target. And writing the vertical synchronizing signal into a register, and performing display state refreshing control on the display screen. The technical problems that in the prior art, control over the refresh rate of a liquid crystal display screen is not flexible, the refresh rate cannot be accurately adjusted according to different display states and interface dynamics, energy consumption is high, and the display effect is poor are solved, the refresh rate is adjusted in a self-adaptive mode according to the interface dynamics, and the technical effect of reducing energy consumption while the display performance is guaranteed is achieved.

The invention discloses a liquid crystal display screen gray scale control method based on adaptive brightness compensation, which relates to the technical field of liquid crystal display screen control, and comprises the following steps: collecting environmental spectrum distribution information and a pixel gray scale voltage response curve of a liquid crystal display screen in real time, and carrying out fusion processing to form a time sequence joint feature vector; through multi-mode synchronous sampling and time sequence joint feature vector generation, ambient light and screen content changes are accurately captured, target adjustment values of backlight power and gray scale voltage are dynamically predicted, and response lag and overshoot are avoided. Through spectral domain balancing and a self-adaptive damping scheduling mechanism, cooperative control of backlight and gray scale is optimized, high-frequency oscillation is suppressed, and linear response of a low-frequency band is ensured. Meanwhile, Gamma mapping and global color gamut calibration are dynamically refreshed, accurate adjustment of area-level brightness and gray scale is achieved, and continuity of the display effect and visual experience of a user are improved.

The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal display driving control method and system. Comprising the following steps: SS01, multi-modal sensing and state triggering: fusing a user distance, a fixation point coordinate and ambient light illumination in real time by using an integrated sensor, and triggering an eye protection mode or a self-adaptive sleep mechanism according to the user distance, the fixation point coordinate and the ambient light illumination, SS02, image partitioning and strategy generation: dividing a screen into N * M partitions, and SS03, distinguishing a dynamic region from a static region according to the brightness histogram and the motion vector of each partition, and outputting differentiated refresh rates and backlight strategies, and SS03, performing big data learning and model optimization, and collecting user behaviors. The system has the advantages that the infrared proximity sensor, the eyeball tracking sensor, the distance sensor and the ambient light sensor are integrated through the multi-mode sensing and state triggering module, multi-dimensional data such as user distance, fixation point coordinates and ambient light illuminance are fused in real time, and active intelligent sensing of the user state and the environment is achieved.

A wall-mounted audio device is provided, including: a display component; a wall-mounted box body, wherein a front panel is provided with a rim region and a display region; the display component is arranged in the display region; a rear panel of the wall-mounted box body is provided with a wall connector; a speaker module, arranged inside the wall-mounted box body a sound output end of the speaker module faces the sound outlet hole; and an mesh. The mesh is detachably connected to the front panel of the wall-mounted box body. The display component is a liquid crystal display screen. The speaker module includes a speaker module housing and one or more transducers designed on the speaker module housing. The speaker module housing is provided with a bass enhancement port. The rear panel of the wall-mounted box body is provided with a wire receiving slot.

The invention discloses a pipe fitting cutting device for liquid crystal display screen machining, and relates to the technical field of pipe fitting cutting, the pipe fitting cutting device comprises a rack, and further comprises a pipe fitting clamping and rotating mechanism, a rotating ring rotating control mechanism, a pipe fitting front-back driving mechanism and a pipe fitting opposite-direction cutting mechanism, and the pipe fitting clamping and rotating mechanism comprises two front-back corresponding supporting rings; the bottom of the supporting ring on the front side is installed on the upper side of the rear end of the rack, the two supporting rings are connected through a supporting ring distance adjusting telescopic rod piece, each supporting ring is provided with a ring center clamping execution assembly, and the ring center clamping execution assemblies are connected with ring center clamping transmission assemblies. The rotating ring rotation control mechanism is connected with the ring center clamping transmission assembly; when the pipe fitting cutting device for liquid crystal display screen machining works, the cutting depth is only the thickness of the pipe wall of the pipe fitting to be cut, abrasion of the circular cutter can be effectively reduced, the cutter is prevented from being clamped or even damaged, and meanwhile the cutting face of the pipe fitting is smooth.

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 provides a liquid crystal display backlight control method and system based on intelligent dimming. The method comprises the steps of obtaining a standard RGB three-channel image of a liquid crystal display and converting the standard RGB three-channel image into a brightness graph; collecting the current environment illumination intensity, and generating a target brightness intention map of the liquid crystal display backlight system by combining the brightness map and the structure attention map; performing time sequence smoothing processing on the target brightness intention map to generate a smooth brightness map; the liquid crystal display is divided into M backlight areas, the brightness mean value of each area is obtained, and the backlight power consumption estimated value of the current frame is calculated by combining the smooth brightness map; carrying out amplitude limiting on the brightness map based on a prediction result to prevent overheating caused by continuous high-power operation of backlight, and generating an amplitude limiting brightness map based on thermal trend prediction; and converting the amplitude limiting brightness diagram based on the thermal trend prediction into a PWM control signal capable of driving a backlight module of a liquid crystal display, wherein the PWM control signal is used for actual backlight adjustment execution.

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 zero-sample liquid crystal display screen defect detection method. According to the scheme, the method comprises the following steps: 1) collecting and processing image data of a display screen; 2) constructing an image-text comparison pre-training model (CLIP) to carry out text-image similarity calculation; 3) designing a self-adaptive prompt network, combining static and dynamic prompts and designing an optimal fusion weight, realizing self-adaptive combination of prompt semantics, and improving the adaptability of the model; (4) semantic separation loss is added into the global features of the text, and the semantic separability of the normal text and the defect text is improved; and 5) before image classification, a feature improvement module for abnormal guidance is inserted into classified visual features to enrich the visual features, and the ability of alignment with the text is further improved. The method is suitable for a cold start stage of display screen defect detection, can solve the problems that in display screen zero sample detection, 'defect 'semantics are difficult to understand, and normal defect attributes are difficult to separate, and remarkably improves the classification and positioning capability of display screen defects.

The invention relates to the technical field of energy-saving control, in particular to a liquid crystal display energy-saving control method and system, and the method comprises the following steps: obtaining the pixel brightness change times in continuous frames, judging a hopping region, reading the frequency difference value of adjacent regions, sorting and merging, recognizing the lower brightness of a heating region, and detecting voltage fluctuation to mark a locking period. And freezing the interval rearrangement brightness output structure, and generating an energy-saving control layout. According to the invention, through statistics of pixel brightness jump times and ratio determination, a high-fluctuation area is accurately identified, brightness frequency difference sorting and area fusion are combined to improve regulation and control continuity, temperature change trend determination is introduced to realize brightness down-regulation of a heating area, and a voltage jump amplitude sequence is utilized to analyze and lock a power supply stable period. The method is advantaged in that adjustment errors in an unstable state are avoided, a brightness output sequence is rearranged in a freezing period, rhythm consistency and energy efficiency collaboration of brightness control are maintained, and accuracy, stability and multi-dimensional adaptability of energy-saving regulation and control are enhanced.

The invention discloses a liquid crystal display screen bright and dark line adjustment optimization method and system and a display screen, and relates to the technical field of liquid crystal display screens, and the method comprises the following steps: constructing a femtosecond resolution synchronous sampling matrix, employing a photoelectric hybrid probe to carry out in-phase collection on driving voltage rising edges of a plurality of sub-channels of the liquid crystal display screen, generating an original waveform database of the multi-channel driving voltage; based on an original waveform database, quantum dot calibration pulses with time marks are injected into all the sub-channels, phase deviation sequences among all the sub-channels are analyzed and extracted through timestamp linkage, and a cross-channel synchronization deviation reference baseline is established. By means of high-precision sampling and difference frequency regulation and control, approximate synchronization of multi-channel driving voltage of the liquid crystal display screen is achieved, accurate recognition is achieved, phase deviation is dynamically corrected, abnormal display phenomena such as frame skipping, ghost shadows and color cast are remarkably eliminated, and visual consistency and display stability in a high-dynamic scene are improved.

The invention relates to display equipment which comprises a liquid crystal display panel, a backlight module and a control circuit. A backlight partition of the backlight module comprises at least one light-emitting unit, the light-emitting unit comprises a first blue light-emitting chip, a green light-emitting chip and a red light-emitting module, and the red light-emitting module comprises a second blue light-emitting chip and a red phosphor located above the second blue light-emitting chip. The control circuit is configured to obtain image frame data, determine input gray-scale values of all color pixels in an image partition corresponding to the backlight partition, and generate all color backlight values of the partition; and driving the green and second blue light-emitting chips based on the green and red backlight values, and not lightening the first blue light-emitting chip or driving the first blue light-emitting chip to carry out blue light brightness compensation based on a comparison algorithm processing result of the blue and red backlight values, thereby improving the display color cast problem. And meanwhile, driving data are generated based on the input gray-scale values of the color pixels to drive the panel, so that the display effect of the display equipment is improved.

The invention relates to the technical field of display, and discloses a self-adaptive color cast compensation method and device for a liquid crystal display screen and a storage medium, and the method comprises the steps: collecting real-time ambient light change data, and generating an ambient light feature data set; analyzing a mapping relation between screen color deviation and light parameters in the ambient light feature data set, and determining an interference mode of ambient light on screen colors; constructing a color rule database according to the interference mode, and generating a reference data matrix for real-time color cast compensation; based on the reference data matrix, generating an adaptive color adjustment curve, and determining color compensation parameters under different ambient light conditions; a color compensation scheme is generated according to the color compensation parameters, and color presentation of a display screen is adjusted in real time. The problem that the color of the liquid crystal display screen deviates in a complex and changeable light environment is solved, real-time correction of the liquid crystal display screen is achieved, and the accuracy of color display in different light environments is ensured.

The invention provides a liquid crystal display screen self-adaptive image adjusting method and device based on ambient light induction, and relates to the technical field of display screens, and the method comprises the steps: carrying out ambient light field perception, and building light field emotion perception through 3D light field distribution; the display content of the liquid crystal display screen is extracted, and adjustment tolerance constraints are constructed based on the display content; activating the linkage acquisition equipment, executing multi-dimensional data perception of the user based on the linkage acquisition equipment, and establishing a user emotion vector by utilizing a multi-dimensional data perception result; after an adjustment decision vector is established, light field emotion perception, adjustment tolerance constraint and a user emotion vector serve as input data and are sent to a multi-target cooperative adjustment controller to execute adjustment decision vector optimization; and rendering the display image of the liquid crystal display screen according to the optimization result of the adjustment decision vector. According to the method and the device, the technical target of multi-dimensional intelligent collaborative optimization of ambient light-user emotion-display content can be realized, and the technical effect of improving scene adaptability is achieved.

The invention discloses an LED liquid crystal display screen brightness and color difference detection and correction method and system, and belongs to the technical field of liquid crystal display. Initial brightness values and color values of all display units of a display screen are obtained; constructing a brightness and color difference reference model based on the convolutional neural network, and calculating a brightness deviation delta L and a color deviation delta C between the brightness and color difference reference model and a standard value; constructing a brightness-color difference error matrix W; according to the error matrix and in combination with a self-adaptive threshold algorithm, identifying a brightness-color difference abnormal region and corresponding coordinates of the brightness-color difference abnormal region; based on a deviation scoring result, introducing a gradient regression model to generate a brightness gain coefficient and a color adjustment coefficient, and constructing a correction parameter set P; the parameter set is issued to a control chip, dynamic image signal modulation and local frame level refreshing are executed, and point-by-point brightness and color difference correction is achieved; the method has the advantages of high precision, high automation, high adaptive capacity and the like, and is suitable for improving the brightness and color difference uniformity in various LED liquid crystal display screen scenes.

The invention discloses an LCD display screen production quality collaborative management and control method based on a detection data chain, particularly relates to the technical field of industrial production quality management, and is used for solving the problem of quality root cause misjudgment caused by complex association of multi-source data in the existing liquid crystal display screen manufacturing process. The method comprises the following steps of: constructing a detection data chain covering an array, a box forming process and a module process, firstly performing multi-source data correlation analysis to obtain a variable pair set, then analyzing an intermediary influence path between variable pairs to eliminate false correlation, and then determining a real causal direction by applying a causal discovery algorithm based on conditional independence. Carrying out unsupervised clustering analysis on the basis of defect characteristic indexes, verifying the consistency of causal directions in different data subsets, and finally outputting a stable quality root cause analysis result to realize accurate positioning and effective management and control of key process parameters.

Provided is a liquid crystal alignment film which suppresses AC afterimage at a high level and which reduces charge accumulation and flicker due to backlight. The liquid crystal aligning agent contains the following polymer (A) and polymer (B). The polymer (A) is selected from the group consisting of polyimide precursors having formula (A1) and polyimides that are imides of the polyimide precursors. The polymer (B) is selected from the group consisting of polyimide precursors of formula (B1) and polyimides that are imides of the polyimide precursors, and the proportion of tetravalent organic groups represented by formula (X-10) is 40 mol% or more with respect to the total of 1 mol of tetracarboxylic acid residues of the polymer (B). # imgabs0 # (wherein the meaning of each symbol in the formula is as defined in the description. ) # imgabs1 # (* represents a bond).

The invention relates to the technical field of measuring instruments, in particular to a wireless transmission digital pressure transmitter, which comprises a pressure transmitter, and is characterized in that the pressure transmitter comprises a reset magnet, an antenna, an LED indicating lamp, a right-angle antenna turning joint, a liquid crystal display screen, a toughened glass window, a hanging screw, an M6 bracket fixing hole, an instrument key and a process connecting interface; according to the scheme, by integrating multiple functional modules, temperature and pressure integrated measurement, flexible setting of multiple parameters and efficient processing and management of data are achieved; the pressure transmitter of the system supports the temperature and pressure integrated function, and different measurement requirements are met; instrument keys and upper computer software enable parameter setting to be simple and rapid; the data analysis unit of the upper computer performs deep mining on the data by using various algorithms, so that not only can pressure data be counted and analyzed, but also trends can be predicted, faults can be diagnosed, powerful support is provided for equipment maintenance and production scheduling, and the defects of a traditional system are effectively overcome.

A fan assembly with a digital display structure, including an upper housing and a lower housing, the upper housing is vertically installed on the lower housing; a liquid crystal display (LCD) screen and an LED light strip that are vertically installed on the upper housing and the lower housing, and the LCD screen is electrically connected to the LED light strip; a transmission bearing and a fan body that are vertically installed on the upper housing and the lower housing, the transmission bearing is vertically installed on a bracket, the fan body is vertically installed on the transmission bearing, and the transmission bearing is connected to the fan body to drive the fan body to rotate; a light-transmissive grid, which is located between the upper housing and the lower housing, and the light-transmissive grid is respectively connected to the upper housing and lower housing.

The invention belongs to the technical field of silicon nitride ceramic preparation, and particularly relates to a method for preparing silicon nitride ceramic through lifting type LCD photocuring technology 3D printing, and the method comprises the following steps: carrying out oxidation pretreatment on silicon nitride powder; mixing a sintering aid silicon nitride powder to obtain mixed powder; mixing the mixed resin, a reactive diluent, a photoinitiator and a coloring agent to obtain photosensitive resin; mixing and ball-milling a dispersing agent, the mixed powder and photosensitive resin to obtain light-cured ceramic slurry; 3D printing is conducted on the photocuring ceramic slurry through a lifting type LCD photocuring technology, and a ceramic green body is obtained; dumping the ceramic body to obtain a ceramic green body; sintering the ceramic green body to obtain the silicon nitride ceramic. Compared with the prior art, the problems of low curing depth, curing efficiency and precision of the silicon nitride ceramic slurry formed by photocuring in the prior art are solved. According to the scheme, the silicon nitride ceramic is formed by using the lifting type LCD printing technology, so that the performance of the ceramic is ensured, the production efficiency is improved, and the production cost is reduced.

The invention relates to the field of display adjustment, in particular to a self-adjustment liquid crystal display based on multi-source data analysis and an adjustment method thereof.The method comprises the steps that an eyeball recognition model based on a YOLOv8 frame is constructed, a comprehensive loss function is constructed, and a weighted Foca loss item is determined according to the ambient light intensity and the real diameter of an eyeball; the eyeball boundary constraint item is determined based on the real eyeball diameter and the predicted eyeball diameter, the binocular constraint item is determined based on the binocular distance, and the predicted eyeball diameter and the binocular distance are determined by calculating the eyeball recognition area; determining an eyeball change area and a blinking frequency value of the user through an eyeball recognition model; and calculating an expected brightness value, and carrying out brightness self-adjustment control on the liquid crystal display based on the expected brightness value. The self-adjusting liquid crystal display based on ambient light and vision is realized, accurate brightness adjustment can be realized in combination with multi-source data such as the eyeball state of a user and the ambient light intensity, so that the user experience is improved, and the visual fatigue is reduced.

The invention provides a liquid crystal aligning agent, a liquid crystal alignment film, a liquid crystal display element and a manufacturing method of the liquid crystal aligning agent. The liquid crystal aligning agent can obtain a liquid crystal alignment film which has excellent adhesion and can inhibit AC ghosting at a high level. A liquid crystal aligning agent containing a polymer component P containing one or more polymers, a compound C1, and a compound C2, the polymer component P containing at least one polymer p selected from the group consisting of polyimide precursors and polyimides that are imides of the polyimide precursors. Compound C1 is a compound having two or more structures represented by formula (c-1). The compound C2 is a compound represented by formula (c-2).