502results about How to "Guaranteed display effect" patented technology

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 the technical field of light source driving control, and discloses an area array type LED light source driving control method, device and equipment. The method comprises the following steps: constructing an upper-layer display control subsystem and a lower-layer drive control subsystem of the area array type LED display system, and collecting a multi-dimensional state data set; performing N-step prediction optimization calculation and brightness uniformity constraint calculation to obtain an optimal control sequence of the LED unit; carrying out extended state observer processing to obtain an LED unit compensation control quantity; compensation area construction and area brightness compensation analysis are carried out, and LED unit area compensation parameters are obtained; performing multi-stage PWM period division and modulation calculation to obtain an LED unit driving control signal; and performing consistency constraint calculation and gradient optimization calculation to obtain global display control parameters of the area array type LED display system, so that smooth transition between the sub-area control units is realized, and the overall display effect of the large-size display system is ensured.

The invention relates to a display panel and a display device. The display panel comprises a pixel layer and a shading layer. The pixel layer comprises a plurality of pixel units, each pixel unit comprises a plurality of sub-pixels of different colors, and each sub-pixel comprises a peep-proof sub-pixel and a sharing sub-pixel. The light shielding layer is located on the light emitting side of the pixel layer and comprises light shielding units, the light shielding units are at least located on the two opposite sides of the peep-proof sub-pixel, and the distances between the light shielding units located between the peep-proof sub-pixel and the sharing sub-pixel and the peep-proof sub-pixel and the sharing sub-pixel are the first distance and the second distance respectively, the second distance is greater than the first distance. The pixel density can be effectively improved, and then the display effect is improved.

The invention discloses a method for generating a three-dimensional building GLTF file based on index compression. The method comprises the following steps: S1, collecting three-dimensional coordinate data of a building; s2, grouping and classifying the data according to floors to form a classification index structure based on a hash table; s3, selecting a reference model and recording Mesh data and vertex coordinates of the reference model; s4, calculating a translation matrix T of the polyhedral structure, and performing coordinate transformation; s5, generating Mesh data of other polyhedrons based on index compression, and reducing redundant surface data by adopting a topology preserving surface optimization algorithm; s6, independently processing the geometric data of each floor, and generating corresponding Mesh data and Node nodes; and S7, combining all floor data to generate a complete GLTF file, and performing compression by using a dynamic Huffman coding algorithm. Through the improved index compression and dynamic Huffman coding technology, the file size is remarkably reduced, the transmission efficiency is improved, and the geometric and topological integrity of the model is ensured.

The invention belongs to the technical field of display, and particularly relates to a touch display panel, a preparation method and a touch display device.The touch display panel comprises a substrate, a driving circuit layer and an electronic paper film; the driving circuit layer comprises a common electrode unit, a pixel electrode block and a connecting signal line; the electronic paper film comprises a plurality of electrophoresis units, each electrophoresis unit comprises a micro-capsule structure, a first conductive electrode, a second conductive electrode and a third conductive electrode, and the third conductive electrode is connected with the connecting signal line; the second conductive electrode, the connecting signal line and the common electrode unit are respectively connected with different pins of the driving chip; one of the common electrode unit and the third conductive electrode serves as a touch sensing electrode, the other one serves as a touch driving electrode, the orthographic projection of the common electrode unit on the substrate and the orthographic projection of the third conductive electrode on the substrate have an overlapping area, and the overlapping area serves as a touch detection point. When the touch display panel is touched, it can be guaranteed that the display effect is not affected.

The invention discloses an image filtering method based on eye movement tracking, a near-eye display method and system, a head-mounted display, a medium and a product, and is applied to the technical field of display of the head-mounted display. The method comprises the steps of obtaining a gaze point position of human eyes in a display area; determining a gaze point area of the gaze point in a display area based on the gaze point position; generating a target point spread function of the staring point area by combining an interpolation algorithm based on the pre-calibrated point spread function of each position in the display area; and filtering the gaze point region in the rendered image based on the target point spread function to perform defocused spot correction. According to the method, defocused spot correction can be carried out on the gazing point area with relatively high influence on the display effect, the filtering processing amount is relatively small, the required computing power is relatively low, and the display effect is improved under the condition that the frame rate or the resolution of the head-mounted display is not influenced.

The invention discloses a display control method and system of a vehicle-mounted displayer, a medium and a program product, and relates to the field of vehicle-mounted display.The method comprises the steps that real-time road condition information of a navigation system and ambient light data collected by a light sensor are obtained; determining a light change type based on the real-time road condition information and the ambient light data; when the light change type is the environmental factor type, determining a light change position based on the real-time road condition information; calculating the driving distance from the current vehicle position to the light change position and the predicted arrival time, and generating a dynamic adjustment curve to gradually adjust the display parameters of the vehicle-mounted display; when the light change type is a non-environmental factor type, determining the ambient light intensity and a preset fluctuation range of the current vehicle position based on the ambient light data; and determining a tolerance interval of the display parameters according to a preset fluctuation range, and keeping the display parameters unchanged in the tolerance interval. According to the invention, the vehicle-mounted display effect during night driving can be optimized, and the service life of the display is prevented from being affected.

The invention relates to a corrugated board defect detection method, which comprises the following steps: collecting front and back images of a corrugated board, fusing the at least three images to obtain sample images I front and I back, the images being at least three images shot under at least three light source positions; preprocessing the sample image I positive and I negative, performing image segmentation on the preprocessed image, preliminarily extracting a defect region through image segmentation, and obtaining a final defect region according to a gray feature histogram; after a defect area is extracted, graying processing is carried out on the defect area, the defect area is converted into a grayscale image from an RGB image, then sub-pixel edge extraction is carried out on the grayscale image, fitting is carried out on the extracted defect edge contour, and the defect is positioned. Aiming at the problems of low image contrast and small defect area of the corrugated board, the invention provides the sub-pixel edge extraction method, so that a relatively good defect positioning effect is achieved, an expected detection purpose is achieved, and the applicability of the area growing method in a complex environment is relatively well improved.

The embodiment of the invention provides a text processing method and device, electronic equipment and a storage medium. The method comprises the steps that in response to a text adding triggering operation, an added to-be-processed text is displayed in a text editing interface through a first typesetting path, and the to-be-processed text comprises a plurality of text characters; in response to a character typesetting trigger operation input for the to-be-processed text, determining a to-be-typeset text corresponding to the to-be-processed text and a second typesetting path corresponding to the to-be-typeset text, the to-be-typeset text being a text composed of partial or all text characters in the to-be-processed text; the to-be-typeset text is displayed in the text editing interface through a second typesetting path, and the first typesetting path and / or the second typesetting path comprise at least one curve path. According to the technical scheme, the typesetting path of the to-be-processed text can be simply and conveniently adjusted, diversified presentation of the text typesetting style is achieved, and the visual effect of the text is enriched.

The invention provides a display panel and a display device. The display panel comprises a substrate, a packaging layer and a touch control layer, wherein the packaging layer and the touch control layer are sequentially arranged on the substrate in a stacked mode; the substrate comprises a hole opening area and an isolation area surrounding the hole opening area; the touch layer is provided with at least one slot, the slot is located in the isolation area, the slot extends from the surface, away from the substrate, of the touch layer to the direction of the substrate, and the slot penetrates to the surface, away from the substrate, of the packaging layer to the maximum extent. According to the display panel, the structure of the touch layer of the isolation area is not continuous, stress is dispersed, stress concentration is avoided, then the problem that in the manufacturing process of the display panel, due to stress concentration, a film layer is peeled off or cracks appear is solved to a certain extent, the display effect of the display panel is guaranteed, and the display effect of the display panel is improved. And the yield and the product competitiveness of the display panel are improved.

The invention belongs to the technical field of flood scene simulation, and particularly relates to a river flood routing grid model dynamic display method based on a Cesium three-dimensional scene, a readable storage medium and a program product. The method comprises the following steps: firstly, preprocessing Cesium three-dimensional scene geographic data for Cesium three-dimensional scene construction work; secondly, utilizing a two-dimensional hydrodynamic model of HEC-RAS software to construct an unstructured river flood routing grid model; then, converting a calculation result of the river flood routing grid model into a data format which can be identified by a Cesium three-dimensional scene; then, processing the preliminarily established unstructured river flood routing grid model again, and converting the preliminarily established unstructured river flood routing grid model into a structured river flood routing grid model; and finally, displaying the constructed river flood routing grid model in a Cesium three-dimensional scene. According to the method, the dynamic visualization effect and the rendering efficiency of the river flood routing are effectively improved.

The utility model discloses a double-arc-shaped single-glass forward-moving door display cabinet which comprises a base, a heat preservation body is arranged on the base, side glass is arranged on the left side and the right side of the heat preservation body, an inner arc-shaped single-glass forward-moving door and an outer arc-shaped single-glass forward-moving door are installed on the front side of the heat preservation body in a sliding mode, and a back air channel plate and a bottom storage layer plate are arranged in the heat preservation body. A food containing space is formed among the back air duct plate, the bottom storage layer plate, the two pieces of side glass and the inner arc-shaped single-glass forward moving door, a back air duct is formed among the back air duct plate, the bottom storage layer plate and the heat preservation body, and an inclined air outlet is formed in the end, close to the inner arc-shaped single-glass forward moving door, of the back air duct. Cold air blown out of the inclined air outlet faces the upper portion of the back air duct plate, and a plurality of air return openings are formed in the back air duct plate. The utility model discloses a double-arc-shaped single-glass forward-moving door display cabinet, which can ensure a transparent frameless display effect, and also can ensure that display glass does not generate water mist in a certain use environment.

The invention relates to the technical field of image data processing, in particular to an interactive road sign system which comprises a data acquisition module, a determination module, an adjustment module, an adjustment module, a judgment module, a drawing module and a correction module. Through real-time monitoring and dynamic adjustment, various environmental changes can be effectively handled, and it is ensured that road sign information is always clearly visible under different weather, visibility and driving conditions. The system automatically adjusts the display contrast and definition of the road sign by comprehensively considering water mist, particle diameter, facial definition and real-time position, ensures that the target can accurately receive the road sign information under the condition of severe weather such as haze and rainwater or limited sight distance, and improves the accuracy of the target. The system also analyzes the association between the road sign display effect and the visibility by drawing a change curve, further optimizes the display setting, and effectively solves the problem that the display effect of the system is unstable in a complex environment due to strong light source dependence.

The invention belongs to the technical field of refrigerated cabinet supervision, and particularly relates to an environment-friendly refrigerated cabinet visual management system based on the Internet of Things technology, which comprises a sensor monitoring module, a refrigerated cabinet abnormity capture module, a visual display control module, a visual operation evaluation module and an intelligent management terminal, internal environment monitoring and operation state monitoring are conducted on the refrigerated cabinet through the sensor monitoring module, the refrigerated cabinet abnormity capturing module conducts abnormity capturing analysis on the refrigerated cabinet based on a monitoring packet and achieves timely abnormity early warning, safe and stable operation of the refrigerated cabinet is guaranteed, and internal refrigerated objects are prevented from being damaged; related information of the refrigerated cabinet is visually displayed through the visual display control module, touch control is achieved, the visual operation evaluation module analyzes the operation performance of the visual display control module and inspects and maintains the visual display control module in time, and the subsequent display effect and control performance of the visual display control module are guaranteed; and the intelligent degree is high.

The invention belongs to the technical field of display panels, and provides a pixel control circuit and a display panel. The display panel comprises a plurality of pixel units, each pixel unit comprises an original pixel and a compensation pixel, and the pixel control circuit comprises a row driving module, a column driving module and a plurality of column signal branch lines; each column signal line is connected to each pixel unit of the corresponding column through at least two column signal branch lines, and original pixels and compensation pixels in each column pixel unit are connected to different column signal branch lines of the corresponding column respectively; and the column driving module is used for outputting data signals to the column signal branch lines corresponding to the original pixels and the compensation pixels respectively when the display panel is in a stretching state, so that the original pixels and the compensation pixels are in an activated state. The original pixels and the compensation pixels can be driven in a time-sharing mode, when the display panel is stretched, the compensation pixels are driven to compensate the stretching gap, resolution compensation is achieved, and the display effect during stretching is guaranteed.

The invention discloses a display screen brightness control method for an intelligent storage cabinet. The method comprises the following steps: acquiring environment illumination data and time data acquired by a plurality of illumination sensors to generate an environment feature vector; constructing a brightness mapping model by using a neural evolutionary algorithm to obtain an initial brightness value; brightness optimization is carried out by adopting a constraint optimization method based on an Ising machine; and dynamically optimizing the brightness mapping model by using a bilateral structure evolution mode. Intelligent self-adaptive control of the brightness of the display screen of the intelligent storage cabinet can be realized, and the energy consumption is reduced while the visual experience of a user is improved.

The invention discloses a waveguide component, a display device and augmented reality display equipment, and relates to the technical field of augmented reality, the waveguide component is provided with a coupling-in area and a coupling-out area, the coupling-in area is used for coupling in imaging light emitted by a light emitting component, so that the imaging light is propagated in the waveguide component through total reflection, and the coupling-out area is used for coupling out imaging light emitted by the light emitting component. The coupling-out area is used for coupling out the imaging light in the waveguide component; wherein the surface of the waveguide component is provided with a light filtering film, the light filtering film is located on a light incidence path of the coupling-in area, the light filtering film is provided with a light blocking area and a light passing area, the light blocking area is used for blocking stray light from being transmitted towards the waveguide component, and the light passing area is used for enabling imaging light to be transmitted to the coupling-in area. According to the technical scheme, the waveguide component with the light filtering function is provided, the occupied volume of the display device can be reduced, and the display effect of the display device is guaranteed.

The utility model discloses an optical waveguide assembly, a near-to-eye display device and an optical device, the optical waveguide assembly comprises a composite layer, a grating and a reflecting layer, the composite layer comprises a plurality of dielectric layers, the dielectric layers comprise a first dielectric layer located on the surface layer, and a total reflection area is at least formed in the first dielectric layer; the gratings are arranged on the same side of the first dielectric layer, the coupling-in grating is used for coupling incoming light into the total reflection area to form total reflection propagation, and the coupling-out grating is used for coupling at least one part of the light in the total reflection area out of the composite layer; the reflecting layers are selectively arranged in a plurality of areas on the outer side surface of the first dielectric layer and used for reflecting light rays of the total reflection area so that the light rays can continue to be transmitted along a total reflection path, and the reflecting layers of at least one area are arranged at intervals. According to the optical waveguide assembly disclosed by the utility model, external light can be transmitted to the composite layer on the premise that light can be propagated in a total reflection manner through the reflecting layers arranged at intervals, so that the lighting effect and the contrast display effect are ensured.

The invention provides an intelligent generation method, system and device for game images and animations and a medium, and the method specifically comprises the steps: obtaining user design demand data, carrying out the feature extraction and style recognition of the user design demand data through a deep learning algorithm, and obtaining the key feature data of the game images and animations; obtaining specified style parameters, and based on the specified style parameters, analyzing the game image and animation key feature data according to a pre-trained GAN model to generate a target game image and animation; acquiring user equipment data of current user equipment, and adaptively displaying the target game image and animation on the current user equipment according to the user equipment data. According to the method, the process of game development and animation production is simplified, the technical threshold is reduced, and the creation efficiency and quality are improved.

The invention relates to a composition for a holographic recording medium and the holographic recording medium. The composition for the holographic recording medium comprises the following components: a substrate film-forming substance, an active monomer, a photoinitiator and the like. Wherein a substrate film-forming substance mainly adopts a mechanical support as an active monomer to construct a free shuttling spatial network structure, and needs certain rigidity and heat-resistant stability, and tests show that the rigidity and heat-resistant stability of the material can be obviously improved by introducing unsaturated ring structures such as a benzene ring, a naphthalene ring and a do-not ring into the structure; therefore, a powerful spatial network structure is provided for free shuttling of the active monomers, and the display effect of the holographic recording medium is guaranteed.

The utility model relates to a touch screen and an electronic device, the touch screen comprises a housing, a display screen, an ITO color film and a control member, the housing comprises a display surface, and the display surface is provided with a mounting groove; the display screen is embedded in the mounting groove; the ITO color film is attached to the display surface, the ITO color film comprises a transparent part and at least one key block, the transparent part and the display screen are arranged correspondingly, and the at least one key block is arranged on the transparent part; the control piece is arranged in the shell and electrically connected with the display screen and the ITO color film. When a user presses the key block, the capacitance value of the key block changes accordingly, the control piece can read the capacitance value change of the ITO color film and send a corresponding instruction to the display screen to control the display content of the display screen, and therefore the screen touch effect of the display screen can be achieved while normal display of the display screen is guaranteed. The ITO color film is independently arranged, so that the touch screen is simple in overall structure, the process is simplified, production and assembly are facilitated, and the cost of the touch screen can be reduced.

The present invention relates to the technical field of LED module boards, and the present invention discloses an LED module board and a display screen, including: a shell, an active cavity is provided around the shell, a slide groove connected to the active cavity is provided around the inner cavity of the shell, a plurality of slots are provided at equal distances on the front and rear sides of the inner cavity of the slide groove, and a plurality of air inlets connected to the inner cavity of the active cavity located below are provided at the bottom of the inner cavity of the shell; a protective mechanism is provided at the front side of the inner cavity of the shell; a protective screen is detachably provided at the front side of the inner cavity of the shell; an LED module board is provided in the inner cavity of the shell, and the LED module board is located at the rear side of the protective mechanism; and there are a plurality of lamp beads, and the plurality of lamp beads are provided at the front side of the LED module board. The device has the advantages of good heat dissipation effect and strong anti-static performance, and provides a more reliable and efficient solution for the application of LED module boards and display screens.

The invention provides a display device which comprises a plurality of cascaded gate drive circuits, and each gate drive circuit comprises two pull-down sub-circuits. Each pull-down sub-circuit includes an inverter and a pull-down maintenance unit, wherein the inverter includes a reset transistor and a plurality of transistors. The two pull-down sub-circuits are configured to alternately output low-level power supply signals to the second node in a period of a preset duration, and the preset duration is in a range from the duration of a driving period of 160 frames of pictures to the duration of a driving period of 240 frames of pictures. Through the combined action of the plurality of transistors in the inverter, the grid voltage of the transistor connected with the second node is reduced, and the working time of each pull-down sub-circuit is reduced through the alternate working mode of the double pull-down sub-circuits; therefore, the problems of electric leakage and stability in the gate drive circuit of the high-mobility oxide semiconductor thin film transistor are effectively solved.

The invention discloses an image processing circuit and method and display equipment, and the image processing circuit comprises a signal input module, an image processing module and a signal output module which are sequentially connected. The signal input module is used for receiving a video source signal, identifying the resolution of the video source signal, and outputting the video source signal to the image processing module when the resolution of the video source signal is different from a target resolution; the image processing module is used for amplifying or zooming the video source signal according to the target resolution and then outputting the video source signal to the signal output module; the signal output module is used for being connected with a display screen, converting a signal format of the received video source signal into a signal format required by the display screen and outputting the signal format to the display screen; wherein the target resolution is the display resolution of the display screen; the compatibility between the display screen and different video source signals can be improved.

The embodiment of the invention provides a display panel, a preparation method thereof and a display device. The display panel comprises a driving substrate and a plurality of light-emitting elements, the driving substrate comprises a pixel defining layer; the light-emitting element comprises a first electrode, a light-emitting layer and a second electrode which are stacked, and the second electrode is located on the side, away from the driving substrate, of the light-emitting layer in the first direction; the pixel defining layer comprises a plurality of pixel openings and a pixel defining structure surrounding the pixel openings, and the pixel openings expose part of the first electrode; the pixel limiting structure comprises a side wall close to one side of the pixel opening, the display panel further comprises an undercut structure which is located in the pixel limiting structure and penetrates through at least partial area of the side wall, the depth of the undercut structure in the first direction is L1, and the thickness of the light-emitting layer in the first direction is L2; wherein L1 is greater than or equal to L2. By arranging the undercut structure and adjusting the position and depth of the undercut structure, the situation of transverse flow leakage of the display panel can be reduced or avoided, and the display effect of the display panel is improved.

The embodiment of the invention provides a display panel, a preparation method thereof and a display device. The display panel comprises a substrate; an array layer; the connecting metal is electrically connected with the transistor in the array layer; the planarization layer covers the connecting metal; the planarization layer comprises a first groove, a first through hole and a second through hole; in the thickness direction perpendicular to the display panel, the first groove is located in one side of the connecting metal, the first through hole is located in one side, away from the array layer, of the first groove, and the second through hole is located in one side, away from the array layer, of the connecting metal; the orthographic projection of the side edge of the first groove to the substrate is located on the side, away from the orthographic projection of the center of the first groove to the substrate, of the orthographic projection of the side edge of the first through hole to the substrate. And the anode layer in the light-emitting unit is electrically connected with the connecting metal through the second through hole. The first groove arranged on the same layer as the connecting metal is combined with the first through hole, so that the situation of transverse leakage of the display panel can be reduced or avoided, and the display effect of the display panel is improved.

The invention discloses an electromagnetic touch display panel, a manufacturing method, a display device and a driving method. The electromagnetic touch display panel in one embodiment comprises a display area, a non-display area and a binding area bound to the boundary of one side of the non-display area. The electromagnetic touch display panel comprises a substrate, a first electrode and a second electrode, the driving circuit layer is positioned on the substrate; the pixel layer is provided with a plurality of pixel openings; the packaging layer is positioned on one side, far away from the substrate, of the pixel layer; the capacitance touch control layer is positioned on one side, far away from the substrate, of the packaging layer; the electromagnetic touch integrated color film layer is located on the side, away from the substrate, of the capacitive touch layer and comprises a light filtering layer, and the orthographic projection of the light filtering layer on the substrate covers the orthographic projection of the pixel openings on the substrate; the orthographic projection of the electromagnetic touch layer on the substrate falls in the orthographic projection of the non-pixel opening of the pixel layer on the substrate, and the mutually attached surfaces of the electromagnetic touch layer and the capacitive touch layer are insulated.

Aiming at the problem of display effect loss in an under-screen camera area, the utility model discloses a display substrate, which comprises a substrate, at least one first display unit positioned in a display island area and a plurality of second display units positioned in a second display area and arranged in an array. The second display area is located on at least one side of the first display area. The first display area comprises a plurality of display island areas and a plurality of light-transmitting areas which are arranged in an array mode. The first display unit comprises N first light-emitting elements and M first pixel circuits, M and N are integers larger than 1, and M is smaller than N. The at least one first pixel circuit is connected with the at least two first light-emitting elements. The second display unit comprises M second light-emitting elements and M second pixel circuits, and the M second pixel circuits are connected with the M second light-emitting elements in a one-to-one correspondence mode. The arrangement mode of the N first light-emitting elements of the first display unit is different from the arrangement mode of the M second light-emitting elements of the second display unit.

The invention discloses an image processing method and electronic equipment, relates to the technical field of image processing, and can reduce the time delay of interface display while ensuring the interface display effect. According to the method and the device, after the GPU finishes image rendering, the GPU can store the parameter information of the image obtained after rendering in the first storage space; the NPU can read the parameter information from the first storage space, perform post-processing related calculation according to the parameter information and the parameter target to obtain optimized parameter information, and store the optimized parameter information in the second storage space; and the DSS can read the optimized parameter information from the second storage space, and performs parameter adjustment on the image obtained after rendering according to the optimized parameter information. Therefore, the powerful computing power of the NPU and the display effect processing power of the DSS can be fully utilized, and the time delay of interface display is reduced while the interface display effect is ensured.