240results about How to "Improve display quality" patented technology

The invention provides a self-adaptive brightness adjustment method for an LED backlight source, and the method comprises the steps: obtaining the intensity and spectral distribution information of downward natural light and an indoor lamp light source in real time through a light sensor, carrying out the light source superposition, calculating the total light intensity and spectral distribution, judging whether the self-adaptive adjustment condition is met or not, and if yes, adjusting the brightness of the LED backlight source. If yes, triggering an LED backlight brightness adjusting process; detecting the actual brightness of each to-be-adjusted unit in real time, comparing the actual brightness with the optimized target brightness value, calculating a brightness error, introducing a machine learning algorithm to learn and predict error data in real time, and dynamically adjusting the PWM duty ratio of the to-be-adjusted unit; and continuously obtaining evaluation feedback data of the user on the display image quality, and performing clustering analysis on the evaluation feedback data through an optimized unsupervised learning algorithm to generate a brightness adjustment curve adapted to different user preferences.

The invention discloses a VR-based unmanned aerial vehicle inspection method and system, a storage medium and a program product, and the method comprises the steps: calculating a low-polygon terrain model, and carrying out the subdivision smoothing processing, and obtaining a three-dimensional terrain image; matching and registering the panoramic image sequence and the three-dimensional topographic image to obtain a point cloud map; generating a virtual mining area environment map; calculating image quality parameters; when the image quality parameter is lower than a preset threshold value, generating a semi-real and semi-virtual fusion display picture; transmitting the semi-real and semi-virtual fusion display picture to a VR helmet for display, and synchronizing the attitude information of the unmanned aerial vehicle to the VR helmet; when it is determined that a fatigue feature appears according to the brain wave data, the unmanned aerial vehicle is controlled to be switched to a preset autonomous flight mode; constructing a virtual anti-collision boundary; and obtaining an optimized flight path according to the virtual anti-collision boundary, and controlling the unmanned aerial vehicle to inspect according to the optimized flight path. The continuity and reliability of the inspection task are improved, and the safety risk of the inspection task is reduced.

The invention relates to a backside illuminated image sensor preparation method and a backside illuminated image sensor, and relates to the technical field of integrated circuits, the backside illuminated image sensor preparation method comprises the following steps: providing a substrate comprising a first top surface, the first top surface comprising an isolation layer and an initial semiconductor layer stacked in sequence along a first direction deviating from the first top surface; forming a plurality of isolation lamination layers which are arranged at intervals along a second direction on the top surface of the initial semiconductor layer, and sequentially forming a first semiconductor layer and a second semiconductor layer which are laminated and contain different pentavalent elements between adjacent isolation lamination layers; diffusing a first pentavalent element of the first semiconductor layer to the initial semiconductor layer to obtain a first target semiconductor layer; diffusing a second pentavalent element of the second semiconductor layer to the first semiconductor layer to obtain a second target semiconductor layer; and a dielectric layer covering the top surface of the second semiconductor layer and the exposed outer surface of the isolation lamination layer is formed, so that the electron concentration of the photosensitive area is increased, and the photosensitive performance of the BSI image sensor is improved.

The invention relates to the technical field of PCBA board anti-interference, and discloses a vehicle-mounted display PCBA board anti-interference method, device and equipment. The method comprises the following steps: carrying out electromagnetic interference data acquisition on a PCBA (Printed Circuit Board Assembly) of the vehicle-mounted display to obtain an electromagnetic interference data set, and constructing a PCBA structure matrix; performing feature extraction to obtain interference feature data; constructing a probability distribution function, generating a feature transformation matrix and performing joint operation to obtain an interference suppression matrix; constructing a multivariable constraint condition and solving an anti-interference optimization parameter; inputting the anti-interference optimization parameters and the interference signal matrix into a particle swarm-radial basis function neural network for training to obtain an anti-interference neural network model; and performing filtering processing and compensation correction on the original input signal of the PCBA board through the anti-interference neural network model to obtain a target output signal. Compensation correction can be dynamically carried out, the compensation coefficient is adjusted in real time according to the signal error, and the stability and accuracy of the output signal are ensured.

The invention relates to an image processing method suitable for a variable-size TFT display screen, and the method comprises the following steps: obtaining the size and range of a display region of the TFT display screen in real time, and obtaining the position coordinate range of an edge region of an optical alignment film; detecting the pixel brightness in the coordinate range of the corresponding position of the edge area of the optical alignment film by adopting an image processing method; calculating to obtain compensation curve correction parameters by combining factors influencing the brightness distribution of the edge area; correcting the pixel brightness of the edge area of the optical alignment film by adopting the compensated brightness distribution curve; after the pixel brightness compensation of the edge area is completed, obtaining a change value of the display contrast before and after the compensation; and the compensation curve parameters of the edge region are adjusted in real time by analyzing the relationship between the change value of the display contrast and the pixel brightness compensation intensity. The brightness uniformity of the edge area of the TFT display screen can be effectively improved, the overall display quality is improved, the requirements of display screens of different sizes can be met, and high practicability and adaptability are achieved.

The invention relates to a backside illuminated image sensor preparation method and a backside illuminated image sensor, and relates to the technical field of integrated circuits, the backside illuminated image sensor preparation method comprises the steps that a substrate comprising a first top surface is provided, and the first top surface of the substrate comprises first isolation lamination layers and first photosensitive lamination layers which are alternately arranged along a first direction parallel to the first top surface of the substrate; the first photosensitive laminated layer comprises at least three sub photosensitive layers which are alternately laminated along a second direction away from the substrate; in the process of forming a plurality of second photosensitive laminations right above the plurality of first photosensitive laminations, forming a plurality of second isolation laminations right above the plurality of first isolation laminations; the second photosensitive lamination layer comprises at least two sub photosensitive layers which are alternately laminated along a second direction; and forming a plurality of grating laminations right above the plurality of second isolation laminations, and then forming optical filters between the adjacent grating laminations along the first direction. According to the embodiment, the electron concentration of the photosensitive area is increased, and the photosensitive performance of the BSI image sensor is improved.

The invention discloses foldable electronic equipment. The foldable electronic equipment comprises a hinge mechanism, a shell assembly, a flexible display screen and a flexible transmission piece, the hinge mechanism comprises a base frame assembly, a supporting assembly and a connecting rod component. The flexible display screen at least partially covers the shell assembly and the hinge mechanism. The flexible transmission piece penetrates through the hinge mechanism so that the two ends of the flexible transmission piece can be arranged on the two sides of the base frame assembly respectively. And when the hinge mechanism is in an unfolded state, the at least two groups of supporting assemblies and the at least two groups of connecting rod components are matched with the base frame assembly to form a supporting structure for supporting the flexible display screen. When the hinge mechanism is in a folded state, the other end of the first rotating piece and one end of the second rotating piece are arranged at intervals with the base frame assembly in the thickness direction of the base frame assembly, so that the at least two sets of supporting assemblies, the at least two sets of connecting rod components and the base frame assembly form a containing space, and the flexible display screen is bent in the containing space. The foldable electronic equipment has the advantages of being light and thin.

The invention discloses an image processing method and device, equipment, a storage medium and a program product, relates to the technical field of communication, and can reduce visual interference and improve video display quality. The method comprises the following steps: performing visual complexity detection on a first video frame image to obtain first visual complexity information; determining a target area in the first video frame image according to the first visual complexity information; obtaining target visual display information of a target visual element in the target area; and based on the target visual display information, performing visual display weakening processing on a display area corresponding to the target visual element to obtain a second video frame image. The embodiment of the invention can reduce visual interference and improve the video display quality.

The invention discloses a display unevenness compensation method of a display panel, the display panel and a display device. The display unevenness compensation method comprises the steps of obtaining a display unevenness compensation value of a to-be-displayed picture of a display panel; according to the display non-uniform compensation value, gray scale characteristic parameters are determined; searching a comparison table of the gray scale characteristic parameters and gain parameters according to the gray scale characteristic parameters, and determining gain parameter values corresponding to the gray scale characteristic parameters; according to the display non-uniformity compensation value and the gain parameter value, performing display non-uniformity compensation on a display picture of the display panel; wherein the gray scale characteristic parameter and gain parameter comparison table is pre-stored in the display panel. According to the invention, the gray scale characteristic parameters are calculated by designing a display unevenness compensation value calculation method, the gray scale characteristic parameters are used for measuring the Mura degrees of different display panels in the same batch, and the display panels are compensated by using the corresponding gain parameters according to the different Mura degrees, so that the Demura compensation precision is improved, and the display quality of the display panels is improved.

The embodiment of the invention discloses a display panel, a driving method and a display device. The display panel comprises a pixel circuit and a light-emitting element. The pixel circuit comprises a driving module, a node voltage adjusting module and a first node, and the first node is connected with a driving transistor or a light-emitting element. The node voltage regulation module is configured to write a first voltage regulation signal into a first node in a node voltage regulation stage of a refresh frame; writing a second voltage regulation signal into the first node in a node voltage regulation stage of the holding frame; wherein the first voltage regulation signal and the second voltage regulation signal are both used for regulating the voltage state of the first node, and the voltage of the first voltage regulation signal is different from that of the second voltage regulation signal. According to the embodiment of the invention, the problems that the brightness of the light-emitting element is different and the low-frequency refresh area flickers due to different bias time of the driving transistor between the refresh frame and the holding frame are solved, the display uniformity is ensured, and the display quality is improved.

The invention discloses a partition display system and method based on a polarization body holographic grating, and belongs to the technical field of display, and the system comprises a light source layer, a collimation optical layer, an electric control light diffusion layer, a polarization body holographic grating array layer and a liquid crystal display layer which are sequentially arranged from bottom to top; the light source layer can independently generate left-hand circularly polarized light and right-hand circularly polarized light; the collimating optical layer can convert light emitted by the light source layer into collimated light beams; the electric control light scattering layer has a transparent mode and a scattering mode which can be switched; the polarization body holographic grating array layer is formed by alternately arranging left-hand circular polarization gratings and right-hand circular polarization gratings; when the electric control light scattering layer is in a transparent mode, the liquid crystal display layer only performs rendering display on an area through which refracted light of the polarization body holographic grating array layer passes; and when the electric control light scattering layer is in a scattering mode, the liquid crystal display layer renders and displays all areas through which light passes. The invention has the advantages of high luminous efficiency utilization rate, low visual area crosstalk, ultra-thinness and the like.

The invention discloses a brightness gradient error determination method and system for an LED display screen, and relates to the technical field of LED display, and the method comprises the steps: constructing a self-adaptive brightness prediction model based on the preprocessed ambient light intensity and real-time image data, and predicting the optimal brightness value of the LED display screen under different ambient light intensities; evaluating the predicted optimal brightness value, and preliminarily adjusting the brightness of the LED display screen according to an evaluation result; deploying a brightness error detection and correction algorithm on the edge computing device, and collecting adjusted LED display screen image data in real time; and detecting the brightness gradient error of the adjusted LED display screen through brightness error detection on the edge computing equipment, and evaluating and correcting a detection result. The brightness gradient error is predicted and corrected in real time, so that the display quality, the visual comfort and the energy efficiency ratio of the LED display screen are remarkably improved, visual discomfort caused by local over-brightness or over-darkness is effectively avoided, and the sense of reality and the ornamental value of display content are enhanced.

The invention provides a CD-ROM integrated packaging device, a lamp panel and a display device.The packaging device comprises a packaging substrate, a light-emitting element and a driving element, the packaging substrate is provided with a first surface and a second surface which are opposite, and the light-emitting element is electrically connected with the packaging substrate; the driving element is electrically connected with the packaging substrate; wherein the light-emitting element and the driving element are arranged on the side, deviating from the first surface, of the second surface, the orthographic projection of the driving element on the second surface and the orthographic projection of the light-emitting element on the second surface are not overlapped, and the distance between the surface, deviating from the packaging substrate, of the light-emitting element and the first surface is smaller than the distance between the driving element and the first surface. According to the packaging substrate and the display device, under the condition that the production and manufacturing cost is considered, the yield can be improved, the influence of the driving element on side face light emitting of the light-emitting chip is reduced, the optical uniformity of the lamp panel is improved, and the display quality is improved.

The invention discloses a display circuit and a repairing method thereof, a display panel and display equipment, and relates to the technical field of display panels, in the circuit, a data line of a data driving module is electrically connected with a compensation wire of an in-plane compensation module, and an in-plane isolation module is arranged between the data line and the in-plane compensation module; the in-plane isolation module is used for determining a data display signal sent by the data driving module according to a breakpoint fault of a data line, and outputting the data display signal with invariable signal gain to the compensation line; the in-plane compensation module is used for performing high-frequency gain compensation according to a data display signal after the data display signal flowing through the compensation wire is accessed, and inputting the compensated data display signal to the repair wire; the display brightness of each pixel unit electrically connected with the enabling repair line is the same as the display brightness of each pixel unit electrically connected with the normal data line. The display quality of the display panel after broken line repair is remarkably improved.

The utility model relates to a backboard, a display panel and a display device.The backboard comprises a substrate and a driving circuit arranged on the substrate, the driving circuit comprises a plurality of bonding pad set units arrayed on the surface of the substrate, and each bonding pad set unit corresponds to one pixel unit; and the arrangement sequences of the first bonding pad, the second bonding pad and the third bonding pad in each bonding pad group unit in the preset direction are the same. In at least one of the first bonding pad, the second bonding pad and the third bonding pad on the surface of the substrate, one part of the bonding pad of the same type is arranged in an arrangement sequence of positive electrode bonding pad-negative electrode bonding pad, and the other part of the bonding pad of the same type is arranged in an arrangement sequence of negative electrode bonding pad-positive electrode bonding pad. Therefore, the light-emitting chip with the color with poor light-emitting angle symmetry can integrally form a symmetrical light-emitting angle on the display panel, so that the color of the side view angle of the display panel is consistent, and the problem of color cast of the side view angle of the display panel is solved.

The invention discloses a liquid crystal display circuit, a display panel and display equipment, and relates to the technical field of display, the circuit comprises a pixel array, the pixel array comprises column pixel units taking columns as units and row pixel units taking rows as units; each data signal line provides a data signal for the corresponding column pixel unit, and the polarities of the data signals provided by the adjacent data signal lines are opposite; a plurality of first gate lines, wherein each first gate line provides a first gate driving voltage for the pixel points connected with the first data signals in the corresponding row of pixel units for charging; a plurality of second gate lines, wherein each second gate line provides a second gate driving voltage for the pixel points connected with the second data signals in the corresponding row of pixel units for charging; wherein the polarity of the first data signal is opposite to that of the second data signal, and the liquid crystal display circuit aims at improving the display quality of an LCD product applied to the liquid crystal display circuit.

The invention provides an LED display screen correction method and device and a readable storage medium, and belongs to the field of LED display screen correction. The technical problem that an existing LED display screen is low in correction precision is solved. According to the technical scheme, initial data, ink color data, brightness data and chromaticity data of LED modules are collected in an LED display screen factory, the initial data, the ink color data, the brightness data and the ink color data obtained after quantitative analysis are uploaded to a Flash storage unit, the LED modules are graded according to the ink color data obtained after quantitative analysis, and the LED modules are stored in the Flash storage unit. The LED modules of the same gear are placed together and correspondingly marked, the same LED display screen is built through the LED modules of the same gear, brightness data, chroma data and ink color data of the multiple LED modules for building the same LED display screen are read back, a correction coefficient is generated after analysis and processing are conducted through a fusion algorithm, the LED display screen is corrected based on the correction coefficient, and the correction result of the LED display screen is obtained. Generating a whole-screen coefficient by using the corrected data, uploading the whole-screen coefficient to a Flash storage unit and solidifying the whole-screen coefficient; the invention is applied to the LED display screen.

The present application relates to a kind of corrosion liquid and macro etching method for low alloy ultra-high strength steel, the volume concentration of nitric acid in its corrosion liquid is (1.2+1.4*CE)% to (1.5+1.8*CE)%, the volume concentration of low carbon alcohol is 40%~50%;Acid fluorine salt mass concentration is (1.0+1.4*ASI)g / L to (1.4+1.8*ASI)g / L, the mass concentration of thiourea or its derivative is (0.5+1.5*HDI)g / L to (0.8+2.0*HDI)g / L;The balance is water;CE=C+Mn / 6+(Cr+Mo+V) / 5+(Ni+Cu) / 15, ASI=Nb+Ti+0.5* (V+Al), HDI=(C+Mn / 5+Cr / 3+Mo / 2+V / 2)*(1+Nb+Ti+B), above-mentioned element symbol is the mass percentage value of the element in the steel to be etched.The present application can solve the technical problems that the over-etching window of conventional etching liquid is difficult to control, weld and heat-affected zone is prone to over-etching, and corrosion duration control is seriously dependent on artificial experience, and the consistency of detection result is poor.

The invention discloses a voltage detection display circuit, a driving method of the voltage detection display circuit, a display panel and a display device, and relates to the technical field of display. An impedance measurement module in the circuit is set to provide pixel power supply voltage when a display driving module provides pixel power supply voltage through a voltage routing line radial pixel structure module from a power supply end to a power supply access point; determining the voltage routing impedance of the pixel structure module according to a preset voltage detection signal and the pixel power supply voltage, and transmitting the voltage routing impedance to the sensing routing; the display driving module is configured to obtain voltage routing impedance sent by the impedance measurement module through the sensing routing, determine compensation voltage according to normal display current of the pixel structure module and the voltage routing impedance, superpose the compensation voltage to pixel power supply voltage and then access the pixel power supply voltage to a power supply access point for normal display of the pixel structure module. The invention aims to solve the display problem of non-uniform brightness display caused by metal routing resistance so as to improve the display quality.

The invention discloses a manufacturing method of a display panel and etching liquid. A first substrate is provided. A conductive layer stack is formed on the first substrate and includes a first sub-layer, a second sub-layer, and a third sub-layer. The first sub-layer includes molybdenum. The second sub-layer is disposed on the first sub-layer, the second sub-layer including a transparent conductive material, and the transparent conductive material including an indium-containing oxide. The third sub-layer is disposed between the first sub-layer and the second sub-layer, and the third sub-layer includes silver or a silver alloy. And performing an etching process in which the first sub-layer, the second sub-layer and the third sub-layer are etched by using an etching solution to form a first patterned sub-layer, a second patterned sub-layer and a third patterned sub-layer. The etchant includes 1 to 3 wt% of nitric acid, 30 to 50 wt% of acetic acid, 30 to 50 wt% of phosphoric acid, and the balance of water.

The invention discloses a light-emitting chip and a preparation method thereof, a display panel and a display device.The light-emitting chip comprises at least two light-emitting units, a first electrode and a second electrode, the number of the light-emitting units is at least two, and the light-emitting units are arranged in a stacked mode in the first direction; each light-emitting unit comprises a first semiconductor layer, a light-emitting functional layer and a second semiconductor layer which are sequentially stacked in the first direction; the first electrodes are arranged in one-to-one correspondence with the light-emitting units and are connected with the first semiconductor layers of the light-emitting units; the second electrode is circumferentially arranged around at least part of the light-emitting unit, and the second electrode is connected with the second semiconductor layer of the light-emitting unit; wherein the second electrodes are arranged in a stacked mode in the first direction, and the adjacent second electrodes in the first direction are connected in a bonding mode. The light-emitting chip provided by the invention can improve the aperture opening ratio so as to improve the display quality.

A display device is disclosed. The display device includes: a substrate including a display area and a non-display area extending from the display area; a light emitting diode disposed on the substrate and including an anode, a light emitting layer, and a cathode; a dam disposed on the substrate in the non-display area; and a step relief pattern disposed in a portion of a surface of the dam. The dam includes a first insulating layer and a second insulating layer on the first insulating layer, and the step relief pattern is disposed to surround a lower portion of a side surface of the first insulating layer and a side surface of the second insulating layer. Accordingly, a step of the dam surface is mitigated to minimize the generation of cracks and seams of the encapsulation layer and suppress the inflow of foreign matter particles through the cracks and seams of the encapsulation layer.

The invention provides a display substrate and a display device, relates to the technical field of display, and is used for improving the flatness of an anode in a display product. The display substrate comprises a first anode and further comprises a first conductive layer and a second conductive layer, the orthographic projection of the first anode on the substrate and the orthographic projection of a first conductive part in the first conductive layer on the substrate have a first overlapping area, and the orthographic projection of the first anode on the substrate and the orthographic projection of a second conductive part in the first conductive layer on the substrate have a second overlapping area. The orthographic projection of the first conductive part and the orthographic projection of the second conductive part in the first conductive layer on the substrate have a second overlapping area. The orthographic projection of the first anode on the substrate and the orthographic projection of a third conductive part in the second conductive layer on the substrate have a third overlapping region, and the orthographic projection of the first anode on the substrate and the orthographic projection of a fourth conductive part in the second conductive layer on the substrate have a fourth overlapping region; the first overlapping region and the third overlapping region are at least partially overlapped, and the second overlapping region and the fourth overlapping region are at least partially overlapped.

The present invention discloses a Gamma automatic adjustment system and method with environmental adaptability. The system is installed in a display device and selects an image signal source. While receiving and converting an image signal into a plurality of first YUV signals, the system detects the surrounding environment and intercepts at least one environmental data. A Gamma control parameter of the display screen of the display device is calculated according to the environmental data. While calculating the environmental data to obtain a maximum brightness current value, the Gamma control parameter is used to calculate the plurality of first YUV signals into a plurality of second YUV signals. The maximum brightness current value and the plurality of second YUV signals are transmitted to the display device for displaying the image. Accordingly, the Gamma value can be automatically corrected according to the surrounding environment at any time to adjust the gray scale level of the image presented to the human.

The embodiment of the present application discloses a display panel, comprising a pull-down circuit with a pull-down control unit and a pull-down unit, the pull-down control unit is connected with a forward scanning signal, a reverse scanning signal and a constant voltage low-level signal, and is used for outputting the constant voltage low-level signal to the pull-down unit according to the forward scanning signal or the reverse scanning signal, the pull-down unit is located in a display area and comprises a plurality of pull-down sub-units in cascade, each pull-down sub-unit is connected with a next-stage scanning driving signal and a previous-stage scanning driving signal, and is used for pulling down the potential of a scanning driving signal input end of a current-stage pixel circuit according to the previous-stage scanning driving signal or the next-stage scanning driving signal, and the present application effectively improves the resistance-capacitance delay problem of the scanning driving signal input end of the current-stage pixel circuit by setting the pull-down circuit, reduces the display abnormality of the display panel, and improves the display quality of the display panel.

The invention provides an image dithering method and device, electronic equipment, a storage medium and a chip. The method comprises the following steps: acquiring at least one frame of input image; performing enhancement preprocessing on each frame of input image in the at least one frame of input image by using a first preset time domain value to obtain a preprocessed image corresponding to each frame of input image; and obtaining an output image corresponding to each frame of input image based on the preprocessed image corresponding to each frame of input image and at least one preset threshold matrix. According to the scheme provided by the invention, the input image is enhanced through the first preset time domain value, so that the display quality of the image is improved. The input image is dithered through the at least one preset threshold matrix, so that the randomness of dithering is increased, and the display quality of the image is further improved.

This invention discloses an adaptive anti-interference display control method for a full LCD instrument panel in a bus, relating to the field of automotive instrument system technology. The method includes the following steps: collecting the ambient temperature value T and vibration acceleration value A; comprehensively determining the current operating mode based on the temperature value T and vibration acceleration value A; matching and executing the corresponding display control strategy according to the determined operating mode; and adjusting the operating mode determination strategy in real time to form a closed-loop adaptive control. The control method provided by this invention uses temperature and vibration dual-parameter linkage as its core framework, integrating two key measures: high-temperature low-power consumption and heat dissipation linkage, and strong vibration data latching. This achieves adaptive anti-interference display control of the full LCD instrument panel in a bus under complex and harsh operating conditions, significantly improving display quality, data stability, and system reliability. It effectively overcomes the shortcomings of existing technologies and fills the gap in dedicated temperature and vibration linkage control schemes for buses.