2720 results about "Liquid-crystal display" patented technology

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 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 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 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 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 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.

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).

The invention discloses a liquid crystal display filtering and light transmission performance monitoring system and a monitoring method thereof, and relates to the technical field of liquid crystal displays. An ambient light real-time monitoring module; a dual-optical-path differential measurement module; a signal processing and intelligent compensation module; a polarizer dynamic adjustment module; a data storage and analysis module; light intensity fluctuation data are collected in real time through an ambient light real-time monitoring module, reference light and transmission light are synchronously collected through a double-light-path differential measurement module, a signal processing and intelligent compensation module calls a self-adaptive algorithm library, compensation coefficients are calculated in combination with ambient light spectrum data, and a polaroid adjusting instruction is generated. And then an adjusting instruction is sent to the polaroid dynamic adjusting module through the CAN bus, the polaroid dynamic adjusting module feeds back an actual thickness value in real time after adjustment is completed, closed-loop control is formed, and through real-time compensation of ambient light and dual-light-path differential measurement, the influence of a station LED lamp and natural light is eliminated, and the monitoring precision of light filtering and light transmission performance is improved.

The invention belongs to the technical field of liquid crystal display, and discloses a multi-gray-scale cholesteric liquid crystal display device and a driving method thereof, according to the multi-gray-scale cholesteric liquid crystal display device and the driving method thereof, cholesterol liquid crystal of a pixel unit is controlled to be in a P state, an FC state and an intermediate stable state between the P state and the FC state through driving voltage, and the liquid crystal display effect is improved. And gray scale display of the pixel unit is realized. The driving time sequence of the bistable cholesterol liquid crystal is optimized, the proper driving voltage is selected, the cholesterol liquid crystal is controlled to be in an intermediate stable state through the driving voltage, and the display state of the cholesterol liquid crystal between the full-transmission state and the full-reflection state is increased, so that the gray scale number of the cholesteric phase display device is greatly increased on the premise that the number of sub-pixels is not increased, and the display effect of the cholesteric phase display device is improved. The display effect is improved.

The invention provides a device and method for testing liquid crystal display performance of a remote controller, and the device comprises a first platform which is provided with a placement position for placing the remote controller; the remote controller comprises a liquid crystal display screen and a PCB (Printed Circuit Board) which are not fastened; the second platform is parallel to the first platform and comprises a pressing plate corresponding to a to-be-pressed position of the remote controller in the placing position, and a first spring is arranged between the second platform and the first platform; and the operating handle is used for driving the second platform to move towards the first platform, so that the liquid crystal display screen in the remote controller is communicated with the PCB in an abutting manner. Under the action of the operating handle, the second platform can stably apply acting force to the remote controller in a buffering manner, and damage to the remote controller due to rigid collision between the second platform and the remote controller is avoided; acting force is applied to the remote controller through the operating handle, the applied acting force can be automatically adjusted according to the model of the remote controller, and the universality is higher.

The application discloses a display panel driving method, a driving device and a readable storage medium, and relates to the technical field of display, which is characterized in that: an initial response square wave signal is converted based on a current display temperature to obtain a target response square wave signal; a target duty cycle in the target response square wave signal is used to determine a calling requirement, so as to determine a response duration corresponding to a normal output display picture of a liquid crystal display device at the current display temperature; a target response duration parameter table meeting the calling requirement is called; and the display panel at the current display temperature is driven according to the target response duration parameter table, so that the reaction speed of various pixel points to an input display signal at various temperatures is effectively accelerated, and the adverse situation that an animation picture is still blurred and ghosted due to the fact that different temperatures cannot be considered is avoided.

The utility model relates to a backlight module and a liquid crystal display. The backlight module comprises a light source, a primary array lens, a secondary microstructure lens, a diffusion film, a base and an outer frame, the base is connected with the outer frame, and a mounting cavity is formed between the base and the outer frame; the light source, the first-stage array lens, the second-stage microstructure lens and the diffusion film are all arranged in the mounting cavity, the light source is connected with the base, the first-stage array lens is arranged on the face, back to the base, of the light source, the second-stage microstructure lens is connected with the outer frame, the second-stage microstructure lens is arranged on the side, back to the light source, of the first-stage array lens, and the diffusion film is connected with the second-stage microstructure lens. The second-level microstructure lens and the first-level array lens are arranged at an interval, and the diffusion film is arranged on the side, opposite to the first-level array lens, of the second-level microstructure lens. Under the condition of ensuring uniform light, the number of the diffusion films is reduced, so that light loss is reduced, the intensity of emergent light is ensured, the power of a light source does not need to be improved, the heat productivity is reduced, the sizes of the backlight module and the liquid crystal display are effectively reduced, and the manufacturing cost is effectively reduced.

The invention relates to the technical field of assembly line management, in particular to a liquid crystal display module assembly line process control system which comprises an assembly line management and control center, an initial setting unit, a data acquisition unit, a collaborative beat unit, an auxiliary assembly unit, an assembly operation unit, a processing verification unit and an execution response unit. According to the invention, through precise cooperation and beat balance supervision and intelligent adjustment of each process of the assembly line, the cooperation effect and beat balance of each process of the assembly line are improved, and through an information feedback mode, comprehensive monitoring and intelligent analysis of a glue solution material and a screw torque are further carried out. Meanwhile, the overall assembly performance of the assembly line is judged along with assembly operation evaluation performance and assembly risk fusion processing, the reasonability and effectiveness of a parameter adjustment strategy are ensured by generating the reference adjustment strategy and combining digital twinning virtual verification, and the adverse effect of blind adjustment on production is avoided.

The invention discloses a liquid crystal display device for improving contrast based on movable light guide lattice points and a light guide layer and a control method of the liquid crystal display device. The device comprises a backlight module, a dynamic light guide layer, a liquid crystal display panel and a control system. The dynamic light guide layer is packaged by two transparent substrates to form a sealed cavity, the cavity is filled with transparent base liquid and movable micro units with different refractive indexes, and transparent electrode arrays are arranged on the inner surfaces of the substrates. The control system controls the electrode array to generate a corresponding electric field according to brightness and darkness distribution of an input image signal, drives the micro-units to move in the base liquid and gather to the position below an image brightness field area so as to enhance light output, and meanwhile enables the micro-units to be dispersed below a dark field area so as to reduce light leakage. According to the invention, a static light guide structure is changed into a dynamic programming system, and the real-time pixel-level matching of backlight distribution and display content is realized, so that the contrast ratio is remarkably improved, the halo is inhibited, and the power consumption is reduced. The invention also protects the core component of the dynamic light guide layer and the corresponding control method.

The invention discloses a black UV edge sealing adhesive for a liquid crystal display without a frame on four sides and a preparation method of the black UV edge sealing adhesive. The black UV edge sealing adhesive comprises the following raw materials: urethane acrylate, an acrylate diluent, a photoinitiator, a defoaming agent, a dispersing agent, a silane coupling agent, silica powder and carbon black. According to the invention, the flexible aliphatic polyurethane acrylate and the nanoscale spherical silica powder are selected and compounded to construct a'soft-hard 'interpenetrating network structure, so that the edge sealing adhesive is endowed with excellent properties: the UV curing time is short, the sizing is rapid, and the industrial efficient production requirement is met; after being cured, the colloid has high flexibility and strong supporting performance, rigid damage in the construction and using process is effectively reduced through the flexibility, the whole-face liquid crystal display can be stably lifted through the sufficient strength, and guarantee is provided for achieving the design that the four edges are free of frames; the volume shrinkage rate is low, obvious deformation caused by shrinkage of the edge of the display screen can be avoided, and the external dimension precision of a frameless product is guaranteed; the cable has good water resistance and weather resistance, and can play a role in a complex environment for a long time.

The invention discloses a display panel and a display device.The display panel comprises a display area and a non-display area surrounding the periphery of the display area, the display area comprises a plurality of opening areas arranged in an array and non-opening areas surrounding the peripheries of the opening areas, and the display panel further comprises a display unit and a driving unit, the display unit is arranged corresponding to the opening area, the driving unit is configured to apply an electric field to the display unit, and the display unit can selectively adjust the internal state according to the direction of the electric field of the driving unit, so that light of an internal light source passes through the opening area or reflects light of an external environment. According to the technical scheme, the advantages of a liquid crystal display screen can be reserved, and the advantages of a novel display panel are achieved.

Provided are: a liquid crystal aligning agent which contains two or more polyamic acids and in which deterioration in liquid crystal aligning properties when stored at room temperature is suppressed; a liquid crystal alignment film obtained from the liquid crystal aligning agent; and a liquid crystal display element. The liquid crystal aligning agent is characterized by containing the following polymer (A) and polymer (B). Polymer (A): a polyamic acid (A) having a structural unit derived from a tetracarboxylic acid derivative and a structural unit derived from a diamine, the polyamic acid containing, as the structural unit derived from the tetracarboxylic acid derivative, a structural unit (a-1Ta) represented by formula (1Ta), and containing, as the structural unit derived from the diamine, a structural unit (a-1Da) represented by formula (1Da), at least a part of the terminal of the polyamic acid (A) contains a non-amino group, the non-amino group is a functional group represented by structural formula (E), and the presence rate of the terminal amino group in the polyamic acid (A) is 60% or less based on the total terminal of the polyamic acid (A). Polymer (B): a polyamic acid (B) having a structural unit derived from a tetracarboxylic acid derivative and a structural unit derived from a diamine, the polyamic acid including a structural unit (b-1Tb) represented by formula (1Tb) as the structural unit derived from the tetracarboxylic acid derivative, and including a structural unit (b-1Db) represented by formula (1Db) as the structural unit derived from the diamine. (Definition of each symbol is as defined in the specification) (Definition of each symbol is as defined in the specification) (Definition of each symbol is as defined in the specification) (Definition of each symbol is as defined in the specification)

The invention discloses a display equipment brightness dynamic adjusting method and system based on human factor engineering, and belongs to the field of liquid crystal display. Aiming at the problems of human eye perception deviation and visual fatigue caused by the fact that traditional display equipment depends on a fixed Gamma curve, an eye movement tracking module and an ambient light sensor are integrated to collect physiological signals and ambient light parameters of a user in real time, and a brightness perception nonlinear function is constructed in combination with the Weber-Fechner law; and brightness curve parameters are dynamically optimized by using a deep reinforcement learning algorithm, so that environment adaptive adjustment of the Gamma value is realized. According to the method, through real-time fusion of multi-modal physiological signals and environmental data, in combination with a human eye visual perception model and a deep reinforcement learning algorithm, a dynamic self-adaptive brightness mapping system is constructed, and triple breakthrough of visual comfort, energy efficiency and image quality of display equipment in a complex scene is realized on the premise that hardware architecture does not need to be changed.

The invention discloses a backlight module preparation method and device. The backlight module preparation method comprises the steps that LED test light bars are arranged according to the model size of a display module; adjusting a driving electrical parameter of the LED test light bar to enable the display of the whole machine to reach a target color point value, and obtaining a first electrical parameter; working current data of a single LED lamp bead is calculated according to the first electrical parameter, and luminous flux and color coordinates of various LED lamp beads are obtained; constructing a colorimetric mixing formula and calculating a white light color point theoretical value of the backlight module; and according to the theoretical value of the white light color point, in combination with the pre-selected wavelength of the blue light chip, the fluorescent powder and the glue type, obtaining the proportion of the fluorescent powder, and preparing the backlight module according to the proportion of the fluorescent powder. The whole machine is tested in advance, and the target color point value of the white light LED device is calculated according to the test data, so that the preparation accuracy of the white light LED device is improved, repeated test verification is avoided, the development period of a liquid crystal display is shortened, and the development cost is effectively reduced.

The invention relates to the technical field of liquid crystal display control, and discloses a low-temperature liquid crystal display dynamic response compensation control method. The method comprises the following steps: acquiring temperature data and dynamic response time data of the liquid crystal display; generating a plurality of temperature compensation points and a temperature change direction sequence according to the data; generating a compensation control signal based on the dynamic response time data, and adjusting a driving parameter; a response time change curve is collected in the adjusting process, the stability of the response time change curve is judged, and a direction adjusting signal is generated; and monitoring the compensation process, calculating the lag proportion and the adjustment efficiency so as to correct the data acquisition frequency and the control parameters, judging the compensation effectiveness based on the out-of-control frequency, and generating an effectiveness signal. The method adapts to different low-temperature environments through multi-dimensional data acquisition, dynamic adjustment and feedback mechanisms, the compensation effect is optimized, and the dynamic performance of liquid crystal display at low temperature is improved.

The invention discloses a testing device for LCD (liquid crystal display) production, and particularly relates to the technical field of LCD production, the testing device comprises a power tester, a voltage regulating mechanism and a testing mechanism, and a supporting mechanism, a rotating mechanism and a controller are arranged above the testing mechanism. Through the synergistic effect of the testing mechanism, the conveying mechanism, the supporting mechanism, the rotating mechanism and the adsorption mechanism, automatic testing and sorting are achieved; according to the device, a sensor is adopted to trigger an automatic testing process, a rotating mechanism and an adsorption mechanism which are driven by an electric oil cylinder are combined, automatic adsorption, multi-section type rotation (90 degrees anticlockwise / 3 degrees clockwise / 6 degrees anticlockwise / vertical downward movement) and accurate positioning of the display screen are completed, traditional manual operation is replaced, and the testing efficiency is remarkably improved; according to the switching assembly, through the linkage design of a magnetic block and a metal limiting block, automatic distribution of qualified products and unqualified products is achieved in cooperation with a discharging pressing rod and a waste pressing rod, secondary sorting is avoided, and the production safety is improved.

The invention relates to the technical field of electronic display, and discloses a liquid crystal display screen display control system based on multi-mode driving. The system comprises a content feature analysis module, a mode decision engine, a driving parameter library and a liquid crystal driving signal generation module. Multi-dimensional feature vectors are extracted through the content feature analysis module, a nonlinear decision mechanism combining fuzzy reasoning and hysteresis control is adopted, and single fixed threshold judgment in the prior art is thoroughly abandoned. The system can accurately capture dynamic characteristics of display content, effectively avoids the problem of mode oscillation in a threshold critical region, and realizes smooth and stable switching of driving modes. According to the invention, the hysteresis comparator and the continuous frame decision logic are introduced, so that the anti-interference capability and decision stability of the system are remarkably enhanced. The system does not trigger mode switching due to instantaneous noise or slight jitter of a single-frame image, so that the continuity of display experience is ensured, and extra power consumption caused by frequent switching is reduced.

An information handling system keyboard liquid crystal display (LCD) presents visual images of key values through adaptive modular keys placed over the LCD and having a transparent key cap. Each adaptive modular key has a base portion that magnetically couples to the LCD and an upper portion slidingly engaged in the base portion biased to a raised position and depressing to indicate an input by contacting the LCD. A controller detects the adaptive modular key positions to automatically determine visual images for presentation at the LCD under each key.

The invention relates to a preparation method of a terbium-doped gadolinium oxysulfide fluorescent material. The performance of the material is remarkably improved through an optimized high-temperature solid-phase method. According to the process, firstly, polyvinylpyrrolidone (PVP) and dopamine hydrochloride are used as a dispersing agent and a coating agent to prepare uniformly dispersed Gd2O3 and Tb4O7 oxide precursors, then through a fluxing agent system with the synergistic effect of boric acid and lithium carbonate and in combination with a low-temperature pre-sintering-medium-temperature vulcanization-high-temperature crystallization three-stage sintering process, grain aggregation and abnormal growth are effectively inhibited, and the Gd2O3 / Tb4O7 composite material is obtained. And finally, annealing in air to remove carbon impurities to obtain the superfine fluorescent powder with small particle size and narrow distribution. Experiments show that the particle size D50 of the fluorescent powder in the embodiment is 496-678 nm, the fluorescence decay life exceeds 1100 microseconds, the luminous intensity is high, the stability is excellent, and the fluorescent powder has wide application prospects in the fields of liquid crystal display, biomedicine and the like.

The invention relates to the technical field of module assembly and detection, and discloses a liquid crystal display module assembly and detection method and system, and the method comprises the steps: calculating the station association relationship among a screen line connection station, a backlight system station, a display effect station, a touch function station and an appearance inspection station; when detecting that the liquid crystal display module is abnormal, tracking a first station of an abnormal source according to the station association relationship; based on the first station of the abnormal source, calculating the influence degree of the abnormity on a subsequent second station of the abnormal source, and obtaining risk information; according to the risk information, a detection threshold value and a judgment condition of a second station are adjusted, detection is executed by using the adjusted detection threshold value and the adjusted judgment condition, and a quality file of the liquid crystal display module is generated. Potential quality risks can be recognized in advance, prevention measures can be taken, the misjudgment rate and the omission ratio are effectively reduced, and the detection quality is improved.

The invention relates to the technical field of flexible production and industrial intelligent control, in particular to a liquid crystal display screen production line operation management method and system. Comprising the following steps: performing timestamp alignment and de-noising processing on multi-source heterogeneous data; inputting the physical state feature vector into a two-channel hybrid reasoning unit to generate a comprehensive prediction reference; calculating a difference value between the physical state feature vector and the comprehensive prediction reference, and generating an original residual vector; carrying out topological structure analysis on the original residual vector to generate a residual semantic signal; performing drift judgment on the dynamic tolerance boundary to generate a corresponding dynamic operation mode instruction; in response to a dynamic operation mode instruction indicating benign line change fluctuation, constructing an evolved cognitive model; adaptive closed-loop control from data space to physical space is constructed in response to a dynamic operational mode instruction indicating a malignant anomaly. According to the invention, a reliable basis is provided for subsequent differential regulation and control, and continuity and stability of operation of a production line are ensured.

The system provided herein may include an ablutionary fitting (e.g., sink, faucet, toilet) and a holographic user interface module. The module may be used to control operation of the ablutionary fitting. The module may include a printed circuit board assembly (PCBA), a display screen (e.g., a liquid crystal display (LCD), projection, dot matrix, light-emitting diode (LED), etc.) coupled to the PCBA, a holographic 3D plate, and an infrared touch bar. When light emits from the display screen, the light may be directed toward the holographic 3D plate, and the holographic 3D plate may transform the light into a screen image. The infrared touch bar may analyze activation of the screen image by a user and control the ablutionary fitting based on the activation of the screen image.

The invention discloses a multifunctional health device which comprises a main machine, a turning cover is arranged at the top end of the main machine, a liquid crystal display screen and a touch key are arranged on the inner side of the turning cover, three output ports are formed in the outer side of the main machine, and the three output ports are used for being connected with a physiotherapy cushion, a foot physiotherapy device and an electric heating moxibustion device respectively. A control unit is arranged in the main machine, the input end of the control unit is electrically connected with a power supply, the output end of the control unit is electrically connected with a low-frequency control module, a high-frequency control module and an output module, the output ends of the low-frequency control module and the high-frequency control module are electrically connected with an output switcher, the output switcher is electrically connected with the input end of the output module, and the output end of the output module is electrically connected with a physiotherapy cushion, the foot physiotherapy device and the electric heating moxibustion device. According to the multifunctional health device with the design, one main machine can be connected with the physiotherapy cushion, the foot physiotherapy device and the electric heating moxibustion device at the same time, the cost is saved, and the use is convenient.

The invention relates to the technical field of liquid crystal display, and discloses a liquid crystal module character display method, which comprises the following steps of: performing stroke decomposition and topological relation establishment on Chinese characters in a target character set to generate a character stroke data set; performing two-dimensional character topological mapping and compressed encoding on the to-be-displayed characters to form compressed character description data; executing hierarchical rendering and stroke synthesis in a character reconstruction engine to generate a target character dot matrix; pixel array electric field distribution optimization is carried out, and sub-pixel-level precision character edge display data are obtained by controlling the driving voltage gradient; performing electric field compensation based on the character edge display data with sub-pixel-level precision to form character display data with enhanced edge sharpness; stroke self-adaptive anti-aliasing processing is carried out on the character display data with enhanced edge sharpness, clear Chinese character display data is output, the visual smoothness of character edges in a small-size display environment is optimized, and the overall recognition degree of characters is improved.