17results about How to "Increase refresh rate" patented technology

The application relates to the technical field of display screens, in particular to a display screen refresh rate adjusting method and device, a display screen and a storage medium. The application detects a response signal of an active capacitive pen when the display screen is working; when the response signal is not detected, the refresh rate of the display screen is adjusted so that the display screen is in a high refresh rate mode, thereby achieving the high refresh rate of the display screen while supporting the active capacitive pen function.

The invention provides an animation generation method and device, electronic equipment and a storage medium. The method comprises the following steps: determining an original layer set for generating animations in a to-be-drawn layer set of a current frame; according to the hierarchical relationship of the image layers, each original image layer in the original image layer set is superposed in sequence through downsampling processing to obtain a reference image layer, and the resolution of the reference image layer is lower than that of the image layers in the original image layer set; an animation layer corresponding to the current frame is determined according to the reference layer, and the resolution ratio of the animation layer is higher than that of the reference layer.

The invention provides an animation generation method and device, electronic equipment and a storage medium. The method comprises the following steps: communicating with a first thread in an animation generation process to determine the processing capability of a first processor on a to-be-drawn layer set in a current frame; determining an original layer set used for generating the animation in the to-be-drawn layer set, and calling a sub-thread to perform superposition synthesis processing on the original layer set to obtain a reference layer; and after the processing capability is determined, an animation layer corresponding to the current frame is determined based on a second processor according to the processing capability and the reference layer, and the first processor and the second processor are both used for processing the layers.

This invention discloses a high spatiotemporal resolution millimeter-wave radar imaging system, comprising: a U-shaped antenna array module, wherein the transmitting and receiving antennas are symmetrically distributed in a U-shape, with an element spacing greater than or equal to half a wavelength, adapted to the SAR imaging mechanism, and using an electronic scanning scheme to achieve beam scanning; a radio frequency (RF) module, employing a cyclic one-transmit-multiple-receive mode, completing data acquisition for all transmitting and receiving channels by cyclically switching the transmitting elements to ensure high system refresh rate and spatiotemporal resolution; a signal processing module, receiving multi-channel echo signals, rearranging the echo signals, and using a hardware-parallel accelerated time-domain backpropagation (BP) algorithm for imaging; and a control module, using a microcontroller to control the RF chip of the RF module. This invention verifies the applicability of antenna spacing greater than or equal to half a wavelength in near-field SAR imaging mechanisms, overcomes the dependence of traditional MIMO systems on antenna half-wavelength spacing, achieves high spatiotemporal resolution near-field imaging, and reduces system complexity and cost.

The invention discloses a radar resource scheduling method based on stacked beams, and the method comprises the steps: determining radar parameters, and an azimuth angle range and a pitch angle range which need to be scanned according to a plurality of target tasks; further determining the number of azimuth wave positions and the number of pitching wave positions; determining a plurality of pitching wave position piles corresponding to each azimuth dimension according to the number of the pitching wave positions and a preset number; based on the attribute information and the mapping relationship of each target task, aggregating a plurality of target tasks corresponding to the same azimuth dimension according to a pitching wave position pile to obtain a plurality of aggregated task packets corresponding to each azimuth dimension; and scheduling a target aggregation task packet from the plurality of aggregation task packets corresponding to each azimuth dimension, and carrying out parallel processing on a plurality of target tasks in the target aggregation task packet. According to the method, the searching and scanning time can be greatly shortened, and rapid discovery and response to high-speed and high-maneuvering targets and sudden threats are realized; the multi-task robustness of a radar system can be improved in a high-density target environment.

The application discloses a GPU-based multi-client real-time spectrum monitoring system and a method thereof, and belongs to the technical field of spectrum analysis.The method comprises the following steps: acquiring the spectrum state, behavior information, host state and service quality requirement of a client; calculating the interference intensity coefficient, behavior state coefficient, host state coefficient and service quality coefficient of the client through a corresponding model; dynamically allocating the computing power of each client by using a power distribution model based on the above coefficients; and finally outputting the target refresh rate of each client by a refresh rate optimization model in combination with the allocated power and service quality coefficient.The application solves the problem that the resource allocation in the prior art is rigid and cannot adapt to the differentiated requirements of multi-clients by multi-dimensional state sensing and modeling, realizes intelligent, dynamic and efficient allocation of system computing resources, guarantees the service quality of multi-services, and improves the overall energy efficiency and stability of the system.

The application relates to a circuit and method for improving the refresh rate of an LED display screen. The circuit for improving the refresh rate of the LED display screen comprises a data processing module and a PWM control unit, wherein the analog constant current source module is used for reducing the current according to the required refresh rate, and the PWM control unit is used for transforming the PWM grayscale data to reduce the PWM period. The method for improving the refresh rate of the LED display screen is as follows: reducing the current according to the required refresh rate, and then proportionally adjusting the PWM grayscale data according to the required PWM period. By reducing the output current of the analog constant current source, the grayscale value is proportionally reduced under the same current equivalent value, and the display period of the PWM can be reduced, so that the refresh rate of the LED display screen can be improved under the premise of fixed scanning number.

The invention relates to an array substrate and a preparation method thereof. The array substrate comprises a display area and a frame area which are arranged adjacently; the array substrate comprises a substrate; the shifting register is arranged on one side of the substrate and located in the frame area; the shift register comprises a first transistor, wherein the first transistor comprises a first active layer; the pixel circuit is arranged on one side of the substrate and located in the display area; the pixel circuit comprises a second transistor, and the second transistor comprises a second active layer; the carrier mobility of at least part of the first active layer is greater than that of the second active layer, and the material of the first active layer comprises a polycrystalline oxide semiconductor. Therefore, according to the array substrate and the preparation method thereof provided by the invention, the performance of the array substrate and the display panel can be improved.

The application provides an array substrate, a driving method and a display device. The array substrate comprises a driving module, a plurality of rows and columns of sub-pixels, a plurality of columns of data lines and a plurality of rows of scanning lines; one frame time comprises at least two sub-frames; the driving module provides scanning signals to the scanning lines, controls the plurality of rows of scanning lines to be opened in turn in the sub-frames, and controls the sub-pixels corresponding to the same color and electrically connected to the opened scanning lines and the same data line in the sub-frames; in the sub-frames, there are overlapping time periods and non-overlapping time periods between effective time periods of scanning signals provided by at least two adjacent scanning lines in the plurality of rows of scanning lines opened in turn; and data voltages received by the data line in at least part of the overlapping time periods are the same as data voltages received by the data line in at least part of the non-overlapping time periods. The application can improve the charging time of at least part of the sub-pixels, improve the charging rate and the refresh rate, and improve the display quality.

The invention relates to a data transmission method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a plurality of first data packets in sequence in any connection interval between the stylus and the electronic equipment; wherein the first data packet comprises pressure sensing data collected by the touch pen, and the touch pen and the electronic equipment are in communication connection based on Bluetooth; whenever the first data packet is obtained, setting a numerical value on a flag bit in the first data packet as a first preset value, and sending the first data packet to the electronic equipment; wherein a first preset value in the first data packet is used for indicating that the stylus has a to-be-sent non-empty data packet after the first data packet. According to the method, the numerical value on the flag bit in the data packet is set as the first preset value, so that a plurality of data packets are sent in one connection interval, the refresh rate of the touch pen is improved, the delay of the touch pen is reduced, and the user experience is improved.

This application discloses a display device, a wearable display device, and a method for determining the position of the gaze point, relating to the field of virtual reality technology. Because the processing circuit in the display device has high processing efficiency for the electrical signals sent by each photoelectric sensing component, the processing circuit can quickly determine the position of the user's gaze point on the display panel based on the electrical signals sent by each photoelectric sensing component, thereby improving the efficiency of the display panel in displaying images and achieving a higher refresh rate.

The application discloses a driving method of a large-size multi-color reflective LCD, comprising the following steps: S1, a common electrode applies a first voltage to a pixel, and a data line applies a second voltage to the pixel; S2, the common electrode applies a third voltage to the pixel, and the data line applies the second voltage to the pixel; S3, XON is turned on, a gate drive sends a signal to turn on all scanning lines, all pixels are turned on, a source drive sends a signal to input a voltage to all data lines, the data line simultaneously applies the second voltage to all pixels, and the common electrode simultaneously applies a fourth voltage to all pixels, wherein the first voltage, the second voltage, the third voltage and the fourth voltage are different from each other. The driving method provided by the application can reduce the charging time of the reflective LCD pixel, thereby reducing the load, improving the frame rate, and being especially suitable for a large-size reflective LCD. Moreover, due to the dynamic adjustment of the pixel charging voltage, more display colors can be excited, and the method can also be suitable for a multi-color reflective LCD.

The invention relates to the technical field of flexible display, in particular to a TFT (Thin Film Transistor) module structure without a protruding electrode framework, a preparation method of the TFT module structure and a TFT display panel. The TFT module structure without the protruding electrode framework comprises a flexible substrate with a groove, an embedded electrode embedded in the groove and flush with the substrate, a TFT active layer covering the embedded electrode and the substrate, an insulating layer and a grid layer overlapped with the projection of the TFT active layer. Through the electrode embedded design and the overall planarization process, stress concentration and interface defects caused by a traditional protruding electrode can be effectively eliminated, and the bending resistance, the interface adhesion strength and the production yield of the device are remarkably improved. Meanwhile, the thickness of the embedded electrode can be increased, the resistance can be reduced, and the conductivity and the signal transmission speed can be improved on the premise that the fracture risk is avoided, so that the pixel charging and discharging efficiency and the display refresh rate are improved, and the defects of a traditional structure in the aspects of conductivity, yield and process cost are fundamentally overcome.

This application provides a display device and a driving method for the display device. In the display device, a data storage chip stores preset first firmware resources and second firmware resources. A timing controller is used to download the first firmware resources from the data storage chip and output first timing parameters according to the first firmware resources when the display panel is configured in a first mode; and to download the second firmware resources from the data storage chip and output second timing parameters according to the second firmware resources when the display panel is configured in a second mode. Within one screen display cycle, the first timing parameters include display timing parameters and touch timing parameters, and the second timing parameters include display timing parameters, wherein the frequency of the display timing parameters in the second timing parameters is higher than the frequency of the display timing parameters in the first timing parameters. According to this application embodiment, display panel mode switching can be realized quickly and effectively, which helps to improve the refresh rate of the display panel.

The application provides an image acquisition method, an image acquisition device, a storage medium and a program product. The method is applied to an intelligent monitoring device and includes the following steps: acquiring a current exposure parameter of the intelligent monitoring device, wherein the current exposure parameter is an exposure parameter of a current picture collected by the intelligent monitoring device at a current time; determining whether the current exposure parameter is greater than a parameter threshold; in the case where the current exposure parameter is greater than the parameter threshold, adjusting a current brightness value of a target scene in the current picture to obtain a target brightness value, and adjusting the current exposure parameter according to the target brightness value and a prepared brightness value to obtain a target exposure parameter; in the case where the current exposure parameter is less than or equal to the parameter threshold, determining the target exposure parameter according to the current brightness value, the prepared brightness value and the parameter threshold; and collecting a target image according to the target exposure parameter. The application solves the problem that an intelligent monitoring camera in the prior art cannot accurately identify objects and details in a picture in a backlight environment.

This invention discloses a high refresh rate display screen driving method and apparatus. The method includes the following steps: providing a driving apparatus, wherein a timing unit in the apparatus provides a clock signal and a pulse width signal to a level unit; providing a display panel circuit; using the level unit to control the number of high-level events of each gate line within one frame cycle; using a control unit to obtain the timing interval between two adjacent high levels, and using the timing interval to control the refresh rate of the display panel. By using the level unit to control the number of high-level events of each gate line within one frame cycle and using the control unit to obtain the timing interval between two adjacent high levels, and using the timing interval to control the refresh rate of the display panel, a corresponding timing interval value can be set when producing display screen products in the field of competitive displays to improve the refresh rate of the display screen and improve display quality.

This invention discloses a display control method, apparatus, and display driving circuit for a display device. The method includes: acquiring a target frame to be processed by the display device; determining, while the display device is scanning the target frame, the target scan line group in which the current scan line of the display device belongs among multiple scan line groups, wherein each scan line group includes at least one scan line of the display device, different scan line groups correspond to different first subfield sequences, the first subfield sequence representing the sequence in which multiple subframes are arranged according to a first preset order when the target frame is divided into multiple subframes; determining, within the first subfield sequence corresponding to the target scan line group, at least one first target subframe to be opened by the display device to display the grayscale of the current scan line; and opening the first target subframe according to its opening time. This invention solves the technical problem that the refresh rate of display devices cannot be effectively improved.