115 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 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.

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 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.

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.

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.

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.

1. The name of the design product: the back image training therapeutic instrument. 2. The use of the design product: for the treatment of myopia, astigmatism, amblyopia. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combination state reference figure 2. 5. Other circumstances that need to be explained: the design product includes components 1, 2, 3, 4 and 5.

Aiming glasses can be used for finding a line of aim when shooting firearms and pneumatic weapons, as well as in archery, billiards, golf, and curling. The aiming glasses include an optical part in which aiming guides can be moved and rotated relative to a frame in order to align the center of the guides with the visual axis of the eye, which passes through the center of the fovea and the target, and to vertically orient the guides. The results are improved at aiming accuracy and greater versatility of the aiming glasses for use in different types of sport. A further technical result is that of enabling a sportsperson to cultivate a reproducible afterimage of the aiming guides at the start of a line of aim.

To provide a gaming machine that can perform lighting effects appropriately. [Solution] The back block 80b of the game board unit is provided with a movable performance device 300 that performs a special effect by performing a predetermined operation according to the game situation. The movable performance device 300 includes a rotating unit 350 with a built-in light-emitting substrate, and this rotating unit 350 is configured to rotate clockwise at a performance position in front of the symbol display device 253. Multiple light-emitting elements are mounted on the light-emitting substrate so as to be arranged in a direction that intersects the rotational axis when viewed in the direction of the rotational axis of the rotating unit 350. When the rotating unit 350 is rotating, the light-emitting mode of the light-emitting elements is switched according to the rotation of the rotating unit 350, so that a predetermined image using the afterimage of light is displayed in the operating area of ​​the movable unit 320 located in front of the symbol display device 253.

The invention relates to an autostereoscopic display unit with zone-divided backlighting, which display unit is suitable for use in combination with an imaging semi-reflective mirror (7), wherein the display unit comprises a display (3) comprising a main display module (31) and a light-shielding module (4), wherein the light-entry or light-emission side of the main display module (31) overlaps the light-shielding module (4), wherein the display (3) is divided into a plurality of blocks which are switched at specific time intervals to display an image zone by zone, thereby solving the problem of afterimages and crosstalk, which arises when rapidly switching between a parallax image of the left eye and a parallax image of the right eye due to an insufficient response time of the main display module (31).where the image brightness for viewing can be adjusted by changing the display duration of display zones (IPS_1-IPS_3).

The present invention provides a liquid crystal display element which is excellent in terms of reliability without being decreased in the voltage holding ratio even if irradiated with heat or ultraviolet rays, and which has a small accumulated charge, thereby being excellent in terms of afterimage phenomenon.　Provided is a liquid crystal aligning agent which contains the following component (A) and component (B). Component (A): A silane compound which has a blocked isocyanate skeleton. Component (B): At least one polymer that is selected from among polyimide precursors and polyimides, which are obtained by reacting a tetracarboxylic acid component with a diamine component that includes a diamine represented by formula [1a]. (In the formula, the definition of each symbol is as defined in the description.)

The embodiment of the present application provides a method for compensating for display screen switching afterimage, a pixel driving circuit, and a display substrate. The method includes: when it is necessary to compensate for the display screen switching afterimage, obtaining the pixel grayscale data of the switched screen; converting the pixel grayscale data of the switched screen into grayscale voltage data; obtaining the IC bias voltage, and determining the compensation bias voltage according to the grayscale voltage data and the IC bias voltage; using the compensation bias voltage as the data signal of the pixel to display the afterimage compensation frame; and displaying the switched screen according to the grayscale voltage data. Through the above method, the display screen switching afterimage of the OLED is improved.

The invention relates to a screen control method, an array substrate, a display panel and electronic equipment. The screen control method comprises the steps of driving a plurality of pixel circuits in a screen to display a first picture when the electronic equipment is in a screen-on state; when the electronic equipment is in a screen-off state or in a shutdown process, executing a reset operation on each pixel circuit in the screen; and after the reset operation is executed, controlling the screen to execute a target operation corresponding to the screen-off state or the shutdown process. Each pixel circuit is reset in the screen turn-off state or in the shutdown process, so that the residual image in the screen can be eliminated under the condition that the use of the screen is not influenced, and the picture displayed by the screen is not influenced by the residual image to improve the display effect of the screen.

The utility model discloses a display device which comprises a circuit board, a first light source assembly, a second light source assembly and a first extinction assembly. The first light source assembly is arranged above the circuit board and comprises a first light guide plate and a first light source which are adjacently arranged, and a first optical pattern is formed on the first light guide plate; the second light source assembly is stacked above the first light source assembly, the first light source assembly is arranged between the second light source assembly and the circuit board, the second light source assembly comprises a second light guide plate and a second light source which are adjacently arranged, and a second optical pattern is formed on the second light guide plate; the first extinction assembly is arranged between the circuit board and the first light guide plate or arranged between the first light source assembly and the second light guide plate, so that mutual light interference between the first light source assembly and the second light source assembly is avoided, the problem of shadow emerging of a plurality of optical patterns is solved, and the display effect of the display device is improved.

The present disclosure provides a residual image identification and repair method and system for a tiled screen and a display device. The method comprises: acquiring image information of a display picture of the tiled screen in real time; identifying sub-image information in each sub-screen of the tiled screen in the image information; comparing the sub-image information with preset actual image information; in response to identifying that the corresponding parts of the sub-image information and the actual image information are different, extracting a part of the actual image information that is different from the sub-image information, and covering the corresponding sub-image information with the part. The method can identify the sub-screen image information of the tiled screen, compare and identify the image information on the sub-screen with the actual image information to be displayed, eliminate the residual image of the sub-image information on the sub-screen that does not match the actual display information, and more accurately correspond to the screen position where the residual image should be eliminated when eliminating the residual image of the tiled screen.

A liquid crystal display panel state evaluation method and apparatus, an electronic device, and a storage medium. The liquid crystal display panel (1) comprises an alignment film (5), a common electrode (42), a pixel electrode (41), and a liquid crystal layer (3). The method comprises: providing a target direct current signal to the common electrode (42) or the pixel electrode (41) of the liquid crystal display panel (1), and acquiring ion accumulation data; according to the ion accumulation data and the target direct current signal, determining the type of ions in the liquid crystal display panel (1), which helps to determine the cause of afterimage, thereby specifically eliminating afterimage in the liquid crystal display panel (1).