30 results about "Screen tearing" patented technology

The invention discloses a task scheduling method and electronic equipment. The method includes: monitoring system running status, wherein the system running status includes status of a target process;and adopting a task scheduling strategy, which corresponds to the target process, for task scheduling according to the system running status, wherein the target process is a process related to virtual reality (VR) and / or augmented reality (AR). The above-mentioned method is used for alleviating technical problems which exist in the prior art and are that operating systems adopting a fair scheduling strategy cannot satisfy requirements of real-time display of AR / VR equipment, and screen tearing and blurred screens are caused, and a technical effect of ensuring real-time performance of displayis realized.

The embodiment of the invention relates to a method used for realizing restraint of screen tearing. The method comprises: the backlight is turned on when the power is on so as to output panel signals of an LCD; an electric source module is controlled to supply power to a panel signal processing module after the panel signals are stable, so as to display a start-up picture by a display screen. The embodiment of the invention further relates to a system used for realizing restraint of screen tearing. By adopting the method and the system of the embodiment of the invention, the electrifying time sequence of the display screen can be controlled, namely, the backlight is turned on when the power is on; the panel signals of the LCD are then output; the electric source of the panel signal processing module is turned on after the panel signals are stable so as to supply power to the LCD panel signal processing module and display the picture, thereby effectively restraining 'screen tearing' and improving visual effect and product quality; moreover, an independent electric source module is adopted to supply power to the panel signal processing module, thus the electric source is more stable.

The embodiments of the invention disclose a grid driving circuit and a liquid crystal display apparatus. The grid driving circuit comprises multiple grid driving unit circuits, a clock signal line and a trigger signal line. Each grid driving unit circuit comprises a precharge unit, a stable signal generation unit, a pull-down stable unit, an output unit and a synchronous trigger unit. When a video card sends a new frame of an image to the T-con of a liquid crystal display apparatus, the initial end of the new frame of the image carries vertical synchronization signals, the T-com, after generating trigger signals according to the vertical synchronization signals, providing the trigger signals to the synchronous trigger units, and when the synchronous trigger units receive the trigger signals, control nodes and grid scanning signals which currently travel to a tail-end row are pulled down to low level in a forced mode. The grid driving circuit and the liquid crystal display apparatus can eliminate an image tearing phenomenon and improve the display quality.

The invention discloses a method for displaying an application element and a system for generating a web page browser and a web page image. An embodiment method of the invention includes steps as follows: obtaining more than two application elements that need to be displayed; placing the application elements in at least two image layers; combining the image layers and processing combination display of the application element. Special effect of each application element does not be disturbed each other that reduces calculation complexity and error rate of the image display, also reduces color lump remnant, screen tearing, moving halt and discontinuity efficiently, and has better display effect.

The invention is appropriate for the field of multimedia data processing technology, where jumping method of network interactive programme on demand, a system and a server for the same are provided. The method comprises the following steps of searching for a key frame similar with a jumping time point required by a user; performing discard processing of starting 2 frames B comprising a picture set of the key frame, filling positions of the starting 2 frames B with empty frames in the picture set; sending media data with the processed picture set as new media data sending position point. According to the invention, with said procedures, media data sent through the network and media data required by the user are more accurate on time, which effectively resolve screen tearing phenomena when jumping broadcast.

The invention relates to a fault clearing method of a display, in particular to a method for detecting screen tearing faults of the display. The specific detecting steps are that row outputting supply voltage is measured by a multimeter, the measurement is confirmed to be changeless after the display turns normal, and then the next step is followed; voltage of three negative poles of a final video and a kinescope is checked to confirm the normalness thereof, the next step is followed in a normal case; grid electrode G1 and accelerator G2 of the kinescope is checked, with respective voltage of -150V and 110V; faults are judged, if the voltage of G1 of -150V reduces with the time increasing and when finally to -60V, screen displaying can be normal as well; if a luminance turn knob is out of control in the case that the voltage of G1 is -150V, a capacitor within the display is judged to be broken. The method of the invention is mainly used for detecting slow start-up speed, screen darkening and letter blurring incurred by overuse of the display and ageing failure of the interior capacitor, thus being capable of leading a maintainer to clear the screen tearing faults of the display accurately.

The invention provides an image display method and device in the technical field of image processing, and can solve the problem of picture tearing caused by asynchronous display of sub-images decodedby decoding end equipment by spliced large-screen equipment. The specific technical scheme comprises the steps of obtaining at least one current to-be-displayed frame image, first identification information of an image source of the current to-be-displayed frame image and frame identification information of the current to-be-displayed frame image; dividing each current to-be-displayed frame imageto generate at least one current sub-image; performing time synchronization on the decoding end equipment of the at least one display by adopting the reference time; generating a timestamp of each current sub-image; and sending each current sub-image, each timestamp, the first identification information and the frame identification information to target decoding end equipment, so that the target decoding end equipment sends the current sub-image to a target display according to the timestamp, the reference time and the frame identification information. The invention is used for realizing picture synchronization and improving image impression experience of a user.

The invention discloses an LED display video transmission method, which relates to the technical field of video data transmission, and is characterized in that main LED display modules and slave LED display modules are arranged on an LED display screen, and a plurality of main LED display modules are cascaded to form a row for data transmission; each master LED display module and at least one slave LED display module are cascaded through the Ethernet to form a column for data transmission; after video source data input from the outside is processed by the transmitting device, one path of video source data is transmitted to the receiving device in the main LED display module at the same level to be processed, and the other path of video source data is transmitted to the transmitting device in the main LED display module at the next level to be processed. According to the method, the video sending function is decentralized, and the stability of the display effect is improved. Meanwhile, delay jitter and line interference of data among the display modules are avoided, and the phenomena of display asynchronization or picture tearing and the like are avoided.

The invention discloses a dual-screen display method for eliminating tear of AR / VR picture and an AR / VR display device. The display in which the rendering time of each frame is longer than the scanning time includes that each single screen of the dual screen is divided into a first half screen and a second half screen to be scanned respectively, and the rendering and scanning are parallel in halfframe unit, and the second half screen is a back scanning screen; By adjusting the start time of the second half-screen scan, the picture tearing phenomenon is eliminated. According to the technical solution provided by the embodiment of the present application, the picture tearing problem can be solved by adjusting the start time of the second half-screen scan or the second screen scan.

The invention discloses a VPU video decoding output method and system for a Feiteng display card. The method comprises the steps that display equipment is obtained, linkage with the display equipment of the Feiteng display card is completed, buffer management equipment GBM is established, a DMABUF buffer area is established, and a corresponding file descriptor fd is obtained. An fd importing function of an open multimedia acceleration layer (OMX) is used, fd of each DMABUF buffer area is imported into a video coding and decoding unit (VPU) in the GPU for use, the OMX locks the decoded fd by using a callback function and then adds the fd into a display output queue, the GPU obtains the fd from the display output queue and performs rendering output, and the GPU informs the OMX to release the fd after using the fd. According to the invention, the VPU video decoding output optimization of the Feiteng display card can be realized, so that the CPU occupancy rate of the VPU of the Feiteng display card during decoding output is reduced, the performance and efficiency of the system are improved, and picture tearing is prevented.

The invention discloses a head-mounted display device and an image rendering method. The head-mounted display device comprises a graphics processing unit GPU for carrying out scene drawing on a sceneto be displayed to generate left eye texture data and right eye texture data; and a hardware synthesis module used for carrying out texture synthesis according to the left eye texture data and the right eye texture data to generate a current frame image. According to the scheme, the scene drawing and texture synthesis are carried out through different hardware modules, and the texture synthesis task is carried out through a special hardware synthesis module, thereby solving the technical problem of screen tearing due to not timely GPU texture synthesis in the prior art, and ensuring real-timeperformance of the texture synthesis task.

The invention provides a display screen assembling device, comprising: a frame; a display screen tearing film assembly, which is arranged on the frame; Tear off the film on the display screen; the drive assembly, the suction end of the drive assembly is connected to the display screen, so as to drive the display screen to move through the drive assembly; the transfer assembly is arranged on the frame, and the transfer assembly and the drive assembly are arranged at intervals The transfer assembly includes a first positioning plate, a second positioning plate and a rotating member, the first positioning plate and the second positioning plate are arranged at intervals, and the rotating member is rotatably arranged between the first positioning plate and the second positioning plate. The end of the piece is provided with a suction piece, so that the rotating piece drives the display screen to turn over from the first positioning plate to the second positioning plate through the suction piece. The technical solution provided by the present invention can solve the technical problem that the display screen assembling device in the prior art cannot tear off the film of the double-sided display screen.

The invention provides a display device and a variable frame rate display method, and the method can determine a variable frame rate mode supported by an external device by obtaining device information of the external device after the external device is accessed. And displaying the interactive menu according to the variable frame rate mode for the user to select. After a user selects and specifies one variable frame rate mode, the display parameters of the display equipment can be set to be in a form adaptive to the mode, so that the display equipment can play the media asset data sent by the external equipment according to a state adaptive to the variable frame rate mode of the external equipment, the problem of picture tearing is relieved, and the user experience is improved. And the picture display effect is improved.

The invention provides a virtual and real camera picture synchronization method and device and a storage medium, and relates to the technical field of computers, and the method comprises the steps: enabling the motion data of an LED picture, a real camera and a synthesis end virtual camera to access time codes, comparing the three time codes which are received at the same time, and selecting the slowest time code as a reference. The motion data, the real camera picture data and the virtual camera picture data are synthesized in a frame synchronization mode, then values are taken from the cache pools to be synthesized, the slowest time code is selected as a reference to generate the lowest delay, namely, the interval time of performance and final picture seeing, and the time codes as indexes are in one-to-one correspondence with the corresponding data, so that the motion data, the real camera picture data and the virtual camera picture data are synthesized in a frame synchronization mode. Therefore, the problem of picture tearing during real-time synthesis of the virtual camera picture and the real camera picture in the virtual film production is solved, and the real-time performance, the integrity and the picture uniformity of the virtual film production are further improved.

The invention discloses a smart watch picture display control method and system, a smart watch and a medium. According to the method, the rotation degree of the smart watch is obtained; a first pixel matrix of a display picture before the rotation of the smart watch is obtained from the display cache chip; according to the rotation degree, all pixels in the first pixel matrix are rearranged in the display cache chip, and a second pixel matrix is obtained; the second pixel matrix is sent to the screen driving chip through a hardware protocol; and the second pixel matrix is scanned through the screen driving chip according to an original scanning sequence, and a rotated picture is displayed on the smart watch. According to the method, the hardware cost of the screen driving chip can be reduced, the situation of picture tearing during rotation is reduced, and more stable visual experience can be provided. The method can be widely applied to the technical field of smart watches.

The invention discloses a peripheral message response method and device, a storage medium and electronic equipment, and belongs to the technical field of computers. The method comprises the followingsteps: monitoring a picture rendering process of a game client; after the picture rendering process submits rendering data to a video memory, calling a target rendering submission function according to the picture rendering process, wherein execution of vertical synchronization is forbidden by the target rendering submission function; and responding to the peripheral message of the game client inthe rendering period of the target rendering submission function. Through the method and the device, the technical problem that the delay of the peripheral message can only be reduced by improving thedisplay refresh rate in the related technology is solved, the video code rate is saved, the upper limit of the game FPS is locked, the picture is prevented from being torn, the peripheral message canbe responded in real time, and the delay of the peripheral message is reduced.

A display panel and a manufacturing method thereof are provided. The display panel includes a substrate, and a first connecting line, a second connecting line, a first GOA circuit, and a second GOA circuit disposed on the substrate. The first GOA circuit is disposed opposite to the second GOA circuit, and a first single-sided driving area and a second single-sided driving area are sequentially disposed between the first GOA circuit and the second GOA circuit. The first connecting line is disposed in the first single-sided driving area and connected to an input terminal of the first GOA circuit, and the second connecting line is disposed in the second single-sided driving area and connected to an input terminal of the second GOA circuit. The present disclosure can prevent screen tearing which is caused by single-sided driving when performing an aging test, and improve a yield of the display panel.

The embodiment of the invention provides a video display method and a graphics processor, and the method comprises the steps: obtaining decoded video data, and storing the decoded video data in a frame memory of the graphics processor; querying the register to determine the validity of the display address; and according to the validity of the display address, copying the decoded video data to a display frame storage area for display. And according to the validity of the display address, the opportunity of copying the decoded video data is determined, so that the integrity of each frame of picture can be ensured when the screen is refreshed, and the picture is prevented from being torn.

The invention discloses a control circuit and a control method for liquid crystal pixels, and the control circuit for the liquid crystal pixels comprises a preset charging module, a second-order programming module and a first-order programming module which are connected in sequence, the method comprises the following steps: firstly, charging a preset charging module; programming the preset charging module through a second-order programming module to enable the voltage of the preset charging module to reach the maintaining voltage required by the liquid crystal screen to display the image; and finally, when the liquid crystal screen displays the current image under the maintaining voltage, the first-order programming module displays the storage electric quantity for the next frame of image. When the current image is displayed, the electric quantity required for displaying the next frame of image is prepared in advance, so that the time is saved through the mode of jointly displaying and storing in advance, and the phenomena of color disorder and picture tearing caused by time delay from the first row to the last row in a grid scanning driving mode of the liquid crystal display are effectively improved.

The invention relates to a method for efficiently realizing a view fillet in an iOS. The method comprises the following steps: acquiring a context of a current view through a CoreGraphics drawing framework; drawing a fillet path of at least one included angle through UIBezierPath; a function drawing line in Core Graphics is used for drawing a fillet pattern through a fillet path obtained through UIBezierPath; and obtaining a fillet view through screenshot, and displaying the fillet view when the user views the fillet view. According to the scheme, the method for drawing the fillet through the CoreGraphics framework and the Bezier curve UIBezierPath has the advantages that the high efficiency of setting the fillet of the control by the view is ensured, the frequent calling of a GPU off-screen rendering mechanism is completely eradicated, and the operation lagging and the possible screen tearing feeling caused by off-screen rendering are avoided to the maximum extent, so that the product fluency and the user experience are ensured.

The application discloses a control method, system, smart watch and medium for displaying a screen of a smart watch. The method obtains the rotation degree of the smart watch; obtains the first pixel matrix of the display screen before the smart watch rotates from the display buffer chip; according to the rotation degree, in the display buffer chip, the Each pixel in the first pixel matrix is ​​rearranged to obtain a second pixel matrix; the second pixel matrix is ​​sent to the screen driver chip through a hardware protocol; the screen driver chip scans all the pixels according to the original scanning order the second pixel matrix, and display the rotated picture on the smart watch. This method can reduce the hardware cost of the screen driver chip, reduce the tearing of the screen when rotating, and provide a more stable visual experience. The application can be widely used in the technical field of smart watches.

The invention relates to a synchronous playing method and system and an LED display screen. The synchronous playing method comprises the steps that host equipment generates a video clock through a time code of a video; sending a video clock to all sub-devices; the sub-device calculates the playing moment of the current frame according to the video clock; and the host equipment and the sub-equipment synchronously play the video. Wherein the specific steps of synchronously playing the video by the host equipment and the sub-equipment are as follows: correcting the calculated playing moment of the current frame to the actual playing duration; judging whether the playing moment of the current frame is reached or not; if not, continuing to display the previous frame, and setting a delay value; and if yes, immediately displaying the current frame. According to the method, an external time code generator is not needed during multi-device media playing, the host device generates the video clock through the time code in the video decoding process, the host device and the sub-devices are synchronized, the working process is reasonably configured, and the phenomenon of picture tearing is avoided while the efficiency is improved.

This application discloses a dual-screen display method and AR / VR display device that eliminates AR / VR screen tearing. It is used for display where the rendering time of each frame is greater than the scanning time, including: dividing each single screen of the dual screen into For the first and second half-screen scans, parallel rendering and scanning are performed in half-frame units, and the second half-screen is the back-scan screen; by adjusting the start time of the second half-screen scan, the screen tearing phenomenon is eliminated. According to the technical solution provided by the embodiment of the present application, the problem of screen tearing can be solved by adjusting the starting time of the second half-screen scan or the second screen scan.

A display panel and a manufacturing method thereof are provided. The display panel includes a substrate, and a first connecting line, a second connecting line, a first GOA circuit, and a second GOA circuit disposed on the substrate. The first GOA circuit is disposed opposite to the second GOA circuit, and a first single-sided driving area and a second single-sided driving area are sequentially disposed between the first GOA circuit and the second GOA circuit. The first connecting line is disposed in the first single-sided driving area and connected to an input terminal of the first GOA circuit, and the second connecting line is disposed in the second single-sided driving area and connected to an input terminal of the second GOA circuit. The present disclosure can prevent screen tearing which is caused by single-sided driving when performing an aging test, and improve a yield of the display panel.

The embodiments of the invention disclose a grid driving circuit and a liquid crystal display apparatus. The grid driving circuit comprises multiple grid driving unit circuits, a clock signal line and a trigger signal line. Each grid driving unit circuit comprises a precharge unit, a stable signal generation unit, a pull-down stable unit, an output unit and a synchronous trigger unit. When a video card sends a new frame of an image to the T-con of a liquid crystal display apparatus, the initial end of the new frame of the image carries vertical synchronization signals, the T-com, after generating trigger signals according to the vertical synchronization signals, providing the trigger signals to the synchronous trigger units, and when the synchronous trigger units receive the trigger signals, control nodes and grid scanning signals which currently travel to a tail-end row are pulled down to low level in a forced mode. The grid driving circuit and the liquid crystal display apparatus can eliminate an image tearing phenomenon and improve the display quality.

The embodiment of the invention discloses a multi-channel decoder synchronization control method, device and storage medium. Among them, the multi-channel decoder synchronous control method includes: the master decoder performs time synchronization with each slave decoder in the decoder group; Completion message, as well as its own rendering completion time for the next screen of the bound single screen, determine the switching time; the master decoder sends the switching time to each slave decoder, so that each decoder in the decoder grouping can operate under the switching time , to provide the corresponding next screen to the bound single screen for display. The technical solution of the embodiment of the present invention solves the problem of screen tearing caused by asynchronous video streams output from the decoder to the video wall by performing time synchronization operations on the decoders included in the decoder group, so that multiple single The TV wall composed of screens can display smooth images.