186 results about "Afterimage" patented technology

An image processing method and apparatus, and an electronic device (1000) and a storage medium (1100). The image processing method is applied to a display screen, and comprises: on the basis of a time-window weight and historical brightness images, recording historical heat time accumulation information of a display screen, so as to obtain the current heat time accumulation image of the display screen, wherein the time-window weight is used for describing a weight coefficient of the current impact of the historical brightness images in a time window up to the present moment on the temperature of the display screen (S100); and on the basis of the heat time accumulation image, compensating a first image frame among a plurality of image frames to be displayed on the display screen, so as to obtain a first compensated image frame after compensation, wherein the first compensated image frame is used for driving the display screen to present the first image frame (S200). In the image processing method, an image frame displayed on a display screen is compensated, thereby preventing the problem of afterimage caused by differences in LED luminous efficiencies and thermal effects resulting from prolonged image display.

The invention discloses an image recognition system for cable joint forming defect detection, and particularly relates to the field of image recognition, which comprises an acquisition module, an interference modeling module, a comparison module, a feature fusion module and a screening module, the acquisition module is used for acquiring a cable joint image, constructing a triple identifier for each frame of image and a corresponding time sequence identifier, a workpiece number and an acquisition equipment number, writing the triple identifier into an identifier area in image data, and generating an image identity vector; the interference modeling module is used for receiving the lens parameters, the illumination parameters and the edge structure data of the previous frame of image, and constructing an incident path model according to the lens parameters and the illumination parameters. By constructing an image identity binding mechanism and an interference feature modeling link and combining a structural difference analysis and ghosting removal process, a non-ontology region is identified and isolated in an image coordinate domain, so that the problem of target misjudgment caused by a mirror image secondary image in image acquisition is solved.

The invention belongs to the technical field of display, and particularly relates to a self-adaptive display method of an LCD (liquid crystal display) screen, terminal equipment and a storage medium. And according to the frame rate of the video to be played and the pixel color change condition in the color sequence corresponding to each frame, determining that the duration required for completing each color change in the color sequence by the pixel is within the duration limited by the frame rate, if not, carrying out replacement adjustment on the color in the color sequence by using the replacement color in the replacement color set, and if not, carrying out adjustment on the color in the color sequence by using the replacement color in the replacement color set. According to the method and the device, each color change in the pixel completion color sequence is ensured to be within the limited duration, so that the problem of smear and ghosting during video playing is prevented, and the replacement process is not perceived by a user because the replacement color and the replaced color are the same color which cannot be distinguished for the user, so that the overall watching experience of the user is ensured.

The invention relates to the technical field of data processing, in particular to a data processing method for a high-dynamic physical simulation system. The method comprises the following steps: acquiring continuous multi-frame infrared image data of a high-speed moving object; performing region division on the continuous multi-frame infrared image data to obtain real object region data and background region data of the object; identifying ghosting data in the real object region data; and correcting the ghost data to obtain target simulation analysis data. According to the embodiment of the invention, the method can achieve the data correction of the ghost shadow of the high-speed moving object, provides more accurate simulation experiment data, and improves the accuracy of a simulation result.

The present invention relates to the technical field of liquid crystal display drive control, and discloses a driving method and system for a high refresh rate liquid crystal display screen. The method includes: a motion amount detection module calculates the motion intensity of the dynamic area through inter-frame comparison; a voltage excitation adjustment module applies voltages differentially according to the dynamic / static areas, and the dynamic area uses asymmetric voltages to improve the response speed; a gray scale adjustment module dynamically optimizes the voltage amplitude based on the local contrast to smooth the gray scale; an adaptive refresh rate module fuses the motion intensity and the image type to switch the refresh rate gear; a charge balance management module intelligently triggers sub-region reverse voltage pulses in a static scene to eliminate afterimages. The system eliminates afterimages through the cooperation of multiple modules, dynamically manages charge balance, intelligently switches the refresh rate gear based on the motion intensity, and cooperates with voltage regulation to reduce static power consumption, adopts sub-region gray scale compensation to optimize the detail display, and combines asymmetric high-voltage drive to improve the response speed of liquid crystal molecules.

The invention relates to a liquid crystal display panel state evaluation method and device, electronic equipment and a storage medium. The liquid crystal display panel comprises an alignment film, a common electrode, a pixel electrode and a liquid crystal layer. The method comprises the following steps: providing a target direct current signal for the common electrode or the pixel electrode of the liquid crystal display panel, and acquiring ion accumulation data at the same time; and determining the ion type in the liquid crystal display panel according to the ion accumulation data and the target direct current signal. According to the method provided by the invention, the direct current signal is superposed on the liquid crystal display panel, so that the ions in the display panel are accumulated under the action of the electric field, and the types of the stray ions in the display panel are judged through the ion accumulation data, so that the cause of the afterimage can be judged, and the afterimage in the liquid crystal display panel can be eliminated in a targeted manner.

The invention relates to a burn-in compensation method and device, electronic equipment and a storage medium. The burn-in compensation method comprises the steps that a target mapping relation is determined according to reference data, the reference data comprises a reference gray-scale value and a reference gray-scale compensation value, the reference gray-scale compensation value is fuzzification compensation data of the reference gray-scale value, and the target mapping relation represents a mapping relation between the gray-scale value and the gray-scale compensation value; determining a target gray scale compensation value of the to-be-processed image according to the target gray scale value of the to-be-processed image and the target mapping relation; and performing gray scale compensation on the to-be-processed image based on the target gray scale compensation value to obtain a processed image. According to the method, the burn-in phenomenon can be compensated, screen ghosting is eliminated, and a good compensation effect is achieved, so that the service life of the screen of the electronic equipment is prolonged, the screen changing cost is reduced, and the user experience is improved.

The present application provides an array substrate and a display device. The array substrate includes: a base substrate; a plurality of gate lines, which are arranged on the base substrate and arranged along a first direction; a plurality of signal lines, which are arranged on the base substrate and arranged along a second direction, and the second direction is perpendicular to the first direction; the gate lines and the signal lines are insulated, overlapped and surrounded to form a plurality of sub-pixel units; a transistor, which is arranged in the sub-pixel unit, and the orthographic projection of the transistor on the base substrate partially overlaps with the orthographic projection of at least one of the gate lines and the signal lines on the base substrate; and a pixel electrode layer, which is arranged in the sub-pixel unit and connected to the transistor. The array substrate and the display device described in the present application can improve the pixel aperture ratio, improve the poor afterimage display, and do not require an additional Mask process.

A display panel, the display panel comprising a first support layer (1), the first support layer (1) being made from glass; a drive circuit layer (4) is directly provided on the first support layer (1). Since glass has a relatively small deformation space and is not prone to plastic deformation, the probability of forming creases in the first support layer (1) can be reduced to a certain extent. A flexible substrate (3) and a second support layer (2) between the first support layer (1) and the drive circuit layer (4) are omitted, such that creases can be prevented from being generated in the flexible substrate (3) and the second support layer (2), and impurities in the flexible substrate (3) can be prevented from affecting the characteristics of the drive circuit layer (4), thereby relieving the afterimage phenomenon of the display panel during always-on display. The area of the first support layer (1) located in a bending region (300) is provided with a first groove (101), such that the thickness of the first support layer (1) in the bending region (300) is reduced, thereby facilitating the bending of the first support layer (1) and preventing the first support layer (1) from being broken during bending. Also provided in the present disclosure are a manufacturing method for the display panel and a display apparatus comprising the display panel.

The embodiment of the invention provides a display device and a display compensation method. The display device comprises an AP, a DDIC, a display panel and a first memory. The AP calculates and accumulates aging degree values according to the parameters of the image, stores an accumulated value of the aging degree values in a first memory, and transmits gray scale data of the to-be-displayed image to the DDIC in real time; the DDIC converts gray scale data of the to-be-displayed image into first Gamma data based on a preset Gamma correction function, calculates a first offset coefficient based on an accumulated value read from the first memory and a pre-calibrated LUT coefficient, and performs offset processing on the first Gamma data based on the first offset coefficient to obtain second Gamma data; and controlling the display panel to perform image display based on the second Gamma data. According to the embodiment of the invention, the residual image problem of the display is relieved, and long-term effective compensation can be realized while the compensation precision is ensured.

The invention discloses an electrophoretic display, a driving method and a preparation method thereof and a display device, and belongs to the technical field of display. The electrophoretic display comprises a display unit (01), a display driving unit (02) and a sound wave emission unit (03). The display driving unit (02) can provide a display driving signal for the display unit (01) so as to control the distribution pattern of a plurality of electrophoretic particles included in the electrophoretic display layer (012) in the display unit (01). The sound wave emission unit (03) can emit a sound wave signal to the display unit (01) so as to control the distribution pattern of the plurality of electrophoretic particles. Therefore, sound wave signals can be transmitted through the sound wave transmitting unit (03) between different picture frames to quickly excite the plurality of electrophoretic particles to shake and be in a balanced distribution form, so that the problem of abnormal display similar to residual images of the electrophoretic display is avoided, and the display picture quality of the electrophoretic display is ensured to be better.

The invention discloses a ghosting test and suppression method and system, and the method comprises the steps: making a black-and-white grid image, making a black-and-white grid mirror image with the black-and-white grid image as a basic image, and obtaining the black-and-white grid image and the black-and-white grid mirror image; and alternately displaying the black-and-white grid image and the black-and-white grid mirror image at a refresh rate greater than a specified frequency of 200 HZ. The black-and-white grid images and the black-and-white grid mirror image images are alternately displayed at a refresh rate greater than 200HZ by adopting the black-and-white grid images and the black-and-white grid mirror image images, so that the images can be refreshed in a non-inductive manner, and the voltage of each pixel point can be more balanced; liquid crystal molecule orientation deviation or other physical property changes caused by long-time single voltage state are avoided, so that the residual of ghost shadows during testing and picture switching is effectively reduced.

The invention discloses an image processing method and system based on near-infrared imaging, and particularly relates to the field of image data processing, and the method comprises the steps: collecting continuous near-infrared image frames in the operation process of a production line, and extracting a corresponding pixel set; acquiring pixel gray values of all image frames, and establishing a pixel gray distribution map; performing spatial feature learning on the distribution map by using a multi-branch convolutional neural network, and separating a background, a target structure and a dynamic ghosting region; performing spatial alignment on the image frames by taking the target structure region as a center, and performing superposition to generate global region distribution; a training set is constructed through historical image samples, and neural network training of the regional distribution prediction model is completed; the model is used for carrying out background and ghosting area distribution prediction on a real-time image, dynamic ghosting correction is completed through neighborhood repairing, and dynamic ghosting rapid fading processing of a near-infrared image of a high-speed production line is achieved.

The present disclosure is to provide a structure for improving the image quality of a rotary display device by using an afterimage effect of a light source, comprising: a fixed module comprising a motor; a rotary module which comprises a plurality of LED bars having a plurality of LEDs mounted thereon, and is rotated by the motor; a control unit which controls the plurality of LED bars to output an image; and a location detection part that detects the locations of the plurality of LEDs according to rotation, wherein the control unit may output the image by synchronizing pixel output locations with the locations of the plurality of LEDs detected by the location detection part.

Provided is a liquid crystal display device which is capable of sufficiently suppressing generation of afterimage and is also useful as an in-cell touch panel capable of display in a reflection mode. The liquid crystal display device includes: a first substrate; a second substrate opposite to the first substrate; and a liquid crystal layer provided between the first substrate and the second substrate and having a plurality of pixels arranged in a matrix, the first substrate having a reflective layer for reflecting light, a first electrode and a second electrode capable of generating a lateral electric field in the liquid crystal layer, and a first horizontal alignment film in contact with the liquid crystal layer. At least one of the first electrode and the second electrode has a plurality of strip-shaped portions and slits, the slits are located between two adjacent strip-shaped portions among the plurality of strip-shaped portions, and in each pixel, the plurality of strip-shaped portions are formed by linear shapes substantially parallel to each other and extending in the same direction, and do not include curved portions. The second substrate has a second horizontal alignment film in contact with the liquid crystal layer, and the liquid crystal layer is twisted and aligned when no voltage is applied.

The present invention provides an optical laminate and an image display device including same, wherein the optical laminate comprises: a transparent substrate; a surface treatment layer disposed on one surface of the transparent substrate and having an uneven surface including amorphous particles; and a diffusion adhesive layer disposed on the other surface of the transparent substrate and including spherical particles, whereby the optical laminate exhibits an improvement against afterimage and glare phenomena caused by external light.

A display apparatus includes a display panel, an afterimage compensator and a data driver. The display panel displays an image. The afterimage compensator writes first stress data of input image data corresponding to a first area to a first memory area in a first block size and second stress data of the input image data corresponding to a second area to a second memory area in a second block size different from the first block size and compensates a grayscale value of the input image data based on the first stress data and the second stress data. The data driver generates a data voltage based on a compensated grayscale value and outputs the data voltage to the display panel.

The utility model discloses a rear image training therapeutic apparatus, relates to the field of eye instruments, and aims to solve the problems that the existing rear image training device is low in safety coefficient and poor in treatment effect and user experience effect during use, and comprises a control host, and the front side of the control host is connected with a rear image sight glass; the rear side of the control host is sequentially connected with a cross-shaped lamp terminal, a foot switch and a rear image auxiliary lamp, the rear image sight glass comprises a grab handle, a sight hole is formed in the grab handle, an adjusting wheel is arranged in the sight hole and rotationally connected with the grab handle, a sight lamp matched with the sight hole for training is installed in the cross-shaped lamp terminal, and the foot switch is connected with the rear image auxiliary lamp. The visual lamp is adjusted through a foot switch, and the visual lamp has the advantages that all the controllers are integrated in one control host, operation and display are more visual and convenient, the electric shock risk is reduced, the cross lamp terminal reduces external interference factors during training, and the training effect and the use experience are improved.

A data compensation circuit, a display apparatus including the same, and a method of compensating data are provided. The data compensation circuit includes a reference frame memory device storing reference frame data, an accumulated stress memory device storing accumulated stress data for each of pixels, a stress data generation block comparing output image data with the reference frame data to generate stress data for each of the pixels, a memory control block adding the stress data to the accumulated stress data to update the accumulated stress data, and a compensation block generating output image data by generating afterimage compensation data for each of the pixels based on the accumulated stress data and compensating the input image data based on the afterimage compensation data.

A display device 100 comprises a substrate 110, a light emitting element 130, a first inorganic encapsulation layer 141, an organic encapsulation layer 142, a second inorganic encapsulation layer 143a, and an optical compensation layer 150a disposed either on or below the second inorganic encapsulation layer. The optical compensation layer includes or is formed of a transition metal oxide. The light emitting element may be an organic light emitting diode (OLED). The transition metal oxide may include at least one of a cobalt oxide, a cerium oxide, a manganese oxide, and a chrome oxide. The optical compensation layer may have a complementary colour relation with the second inorganic encapsulation layer, preferably having a blue and yellow colour system respectively, and together may be viewed as white regardless of a degree of oxidation. The oxidation of the second inorganic encapsulation layer can be reduced, suppressing the occurrence of an afterimage.

The application is a kind of home amblyopia afterimage therapeutic instrument, belonging to the field of eye optometry amblyopia treatment. The application provides an economic home amblyopia afterimage therapeutic instrument and its operation method with good stability, high accuracy of macular fovea covering protection, low requirement of cooperation of the operator and the patient and applicability to wide-angle para-central fixation amblyopia patients by the integration design of multiple systems, especially the use of three-dimensional translation table to adjust the light source position and present the fundus image on the display screen, and the operation guidance by the voice prompting system, and the use of topological light source for saturated illumination. The application is mainly applied to the home treatment of para-central fixation amblyopia patients, and can also be applied to the hospital treatment, reducing the work burden of doctors and nurses.

To provide a game machine capable of favorably executing a light emission performance.SOLUTION: A backside block 80b constituting a game board unit includes a movable performance device 300 executing a special performance by executing a prescribed operation according to a game state. The movable performance device 300 includes a rotary unit 350 incorporating a light-emitting board, and the rotary unit 350 is configured to rotate in a clockwise direction at a performance position in front of a symbol display device 253. The light-emitting board is mounted with a plurality of light-emitting bodies aligned in a direction crossing with a rotation center axis viewed from the rotation center axis direction of the rotary unit 350. In a case where the rotary unit 350 is rotated, light emission modes of the light-emitting bodies are changed over according to the rotation of the rotary unit 350, so that a prescribed image using an afterimage of the light is displayed on an operation area of the movable unit 320 provided in front of the symbol display device 253.SELECTED DRAWING: Figure 14

To provide a liquid crystal display capable of sufficiently preventing an afterimage from occurring and useful even as an in-cell type touch panel capable of displaying a reflection mode.SOLUTION: A liquid crystal display includes a first substrate, a second substrate facing the first substrate, and a liquid crystal layer provided between the first and second substrates, and has a plurality of pixels arranged in a matrix manner. The first substrate includes a reflective layer for reflecting light, first and second electrode capable of generating a transverse electric field in the liquid crystal layer and a first horizontal alignment film contacting the liquid crystal layer; at least one of the first and second electrodes includes a plurality of belt-like parts and a slit positioned between two belt-like parts adjacent to each other in the plurality of belt-like parts; in each pixel, the plurality of belt-like parts are approximately parallel to each other and consisting of a linear shape extending in the same direction without including a bent part; the second substrate includes a second horizontal alignment film contacting the liquid crystal layer; and the liquid crystal layer has twist alignment when no voltage is applied.SELECTED DRAWING: Figure 1

A display apparatus includes a display panel, an afterimage compensator and a data driver. The display panel displays an image. The afterimage compensator writes first stress data of input image data corresponding to a first area to a first memory area in a first block size and second stress data of the input image data corresponding to a second area to a second memory area in a second block size different from the first block size and compensates a grayscale value of the input image data based on the first stress data and the second stress data. The data driver generates a data voltage based on a compensated grayscale value and outputs the data voltage to the display panel.

The embodiment of the invention provides a display aging compensation method and a related device, and relates to the technical field of terminals. The method comprises the following steps: for the same gray scale, under different display brightness of the electronic equipment, possibly adopting different gray scale compensation modes to compensate the display aging of the electronic equipment, and based on the aging attenuation direction of each gray scale under different brightness, adopting a matched gray scale compensation mode to carry out display compensation. The gray scale compensation mode comprises a gray scale increasing mode or a gray scale reducing mode, and gray scale compensation is carried out by utilizing the characteristic that the aging attenuation directions are inconsistent under each gray scale with different display brightness. In this way, the situation of ghosting caused by inaccurate gray scale compensation can be reduced, so that the gray scale compensation effect of each gray scale of the full-brightness gear is improved.

Disclosed is a display device having a thin film transistor substrate, which may prevent afterimage and flicker defects by reducing the non-uniformity of an electric field. In the thin film transistor substrate, a pixel electrode includes a transparent edge electrode and a transparent inner electrode, which are spaced apart from each other with a first slit having a first width interposed therebetween, and a common electrode is exposed from the other-side end of the transparent edge electrode by a second width, which is smaller than the first width, in the width direction of a data line. As such, an inner area and an edge area in each sub pixel have uniform electric field distribution.

The present application relates to a driving method for an electronic paper, a driving integrated circuit, and a display panel. The method includes: after the driving integrated circuit of the electronic paper is powered on and receives an input signal, the driving integrated circuit outputs a waveform of a first period corresponding to a first frame. During the process of generating the waveform of the first period by the input signal, the pixel color transformation process corresponding to the first frame changes from a first color to a second color; the driving integrated circuit outputs a waveform of a second period corresponding to a second frame. During the process of generating the waveform of the second period by the input signal, the pixel color transformation process corresponding to the second frame changes from the second color to the first color, and the first frame and the second frame are any two adjacent frames output by the driving integrated circuit. Through the present application, the problem of DC imbalance of the electronic paper in the prior art is solved, and the effect of improving afterimage is achieved.

A display device including a base layer, a plurality of voltage lines and a transistor that are disposed on the base layer, a light emitting element electrically connected to the transistor and including a cathode, and a connection wiring line electrically connected to the light emitting element and including a first connection part spaced apart from a light emitting opening defined in the light emitting element, and a second connection part electrically connected to the transistor. The first connection part overlaps some of the plurality of voltage lines in plan view.

A circuit for eliminating afterimage and a display device. The circuit includes a power supply unit, an afterimage elimination unit and a discharge unit. First and second output ends of the power supply unit are connected with the afterimage elimination unit, respectively. A control end of the discharge unit is configured in electric connection with the control unit, and an execution end of the discharge unit is connected with the first output end of the power supply unit. When the screen is turned off, the control unit outputs a first control signal to the discharge unit. The discharge unit discharges at the first output end of the power supply unit according to the first control signal, so as to expedite a falling of the first voltage output from the first output end of the power supply unit.

Disclosed is a display device having a thin film transistor substrate, which may prevent afterimage and flicker defects by reducing the non-uniformity of an electric field. In the thin film transistor substrate, a pixel electrode includes a transparent edge electrode and a transparent inner electrode, which are spaced apart from each other with a first slit having a first width interposed therebetween, and a common electrode is exposed from the other-side end of the transparent edge electrode by a second width, which is smaller than the first width, in the width direction of a data line. As such, an inner area and an edge area in each sub pixel have uniform electric field distribution.